Patent EP0366117A2 successfully refreshed from Google Patents.
EP0366117A2
Expired / Lapsed
EP
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Liquid crystal apparatus
Assignee: Canon Inc
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Filing: 1989-10-25
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Granted: —
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Expires: 2009-10-25
Abstract
Abstract A liquid crystal apparatus, includes: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Inventors
- 👤 Masaki Kuribayashi
- 👤 Yukiko Futami
- 👤 Hiroshi Inoue
- 👤 Akira Tsuboyama
- 👤 Yutaka Inaba
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 18:33
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/34; G09G3/36; G09G3/3611; G09G3/3622; G09G3/3629; G09G3/3607; G09G3/364; G09G3/3674; G09G2310/00; G09G2310/02; G09G2310/0224; G09G2310/0227; G09G2310/06; G09G2310/065; G09G2320/00; G09G2320/04; G09G2320/041; G09G3/2007; G09G3/2018; G09G3/2074
Claims Analysis
Total Claims: 115
Claim 1
Independent Claim
184 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 2
Dependent Claim
184 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 3
Dependent Claim
33 words
An apparatus according to Claim 1, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 4
Dependent Claim
33 words
An apparatus according to Claim 1, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
Claim 5
Dependent Claim
52 words
An apparatus according to Claim 1, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes N scanning electrodes apart (N is an integer of 2, 3, 4, ...) in one vertical scanning, and one picture scanning is effected in (N+1) times of vertical scanning.
Claim 6
Dependent Claim
212 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 7
Dependent Claim
212 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 8
Dependent Claim
204 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 9
Dependent Claim
204 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 10
Dependent Claim
232 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 11
Dependent Claim
232 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 12
Dependent Claim
185 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 13
Dependent Claim
185 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal.
Claim 14
Dependent Claim
187 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes intersecting with the scanning electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 15
Dependent Claim
187 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes intersecting with the scanning electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 16
Dependent Claim
33 words
An apparatus according to Claim 9, wherein said second drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 17
Dependent Claim
33 words
An apparatus according to Claim 9, wherein said second drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
Claim 18
Dependent Claim
52 words
An apparatus according to Claim 9, wherein said second drive means comprises means for applying the scanning selection signal to the scanning electrodes N scanning electrodes apart (N is an integer of 2, 3, 4, ...) in one vertical scanning, and one picture scanning is effected in (N+1) times of vertical scanning.
Claim 19
Dependent Claim
54 words
An apparatus according to Claim 9, wherein said scanning selection signal has a voltage of the reverse polarity to and a voltage of the same polarity as the voltage of one polarity applied to the plural scanning electrodes by the first drive means, with respect to the voltage level of a non-selected scanning electrode.
Claim 20
Dependent Claim
40 words
An apparatus according to Claim 9, wherein said first drive means is a means for applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of all the scanning electrodes and the data electrodes.
Claim 21
Dependent Claim
43 words
An apparatus according to Claim 9, wherein said first drive means is a means for applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of a prescribed number of the scanning electrodes and the data electrodes.
Claim 22
Dependent Claim
197 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means for: (1) dividing the scanning electrodes into plural blocks each comprising a prescribed number of scanning electrodes, and; (2) in each block, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of the scanning electrodes and the data electrodes in the block by application of a voltage of one polarity to the scanning electrodes, sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one block-picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 23
Dependent Claim
197 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means for: (1) dividing the scanning electrodes into plural blocks each comprising a prescribed number of scanning electrodes, and; (2) in each block, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of the scanning electrodes and the data electrodes in the block by application of a voltage of one polarity to the scanning electrodes, sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one block-picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 24
Dependent Claim
56 words
An apparatus according to Claim 16, wherein said scanning selection signal has a voltage of the reverse polarity to and a voltage of the same polarity as the voltage of one polarity applied to the scanning electrodes prior to application of the scanning selection signal, with respect to the voltage level of a non-selected scanning electrode.
Claim 25
Dependent Claim
187 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes intersecting with the scanning electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 26
Dependent Claim
187 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes intersecting with the scanning electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 27
Dependent Claim
54 words
An apparatus according to Claim 18, wherein said scanning selection signal has a voltage of the reverse polarity to and a voltage of the same polarity as the voltage of one polarity applied to the plural scanning electrodes by the first drive means, with respect to the voltage level of a non-selected scanning electrode.
Claim 28
Dependent Claim
215 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes intersecting with the scanning electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 29
Dependent Claim
215 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes intersecting with the scanning electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 30
Dependent Claim
54 words
An apparatus according to Claim 20, wherein said scanning selection signal has a voltage of the reverse polarity to and a voltage of the same polarity as the voltage of one polarity applied to the plural scanning electrodes by the first drive means, with respect to the voltage level of a non-selected scanning electrode.
Claim 31
Dependent Claim
202 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 32
Dependent Claim
202 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 33
Dependent Claim
54 words
An apparatus according to Claim 22, wherein said scanning selection signal has a voltage of the reverse polarity to and a voltage of the same polarity as the voltage of one polarity applied to the plural scanning electrodes by the first drive means, with respect to the voltage level of a non-selected scanning electrode.
Claim 34
Dependent Claim
230 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 35
Dependent Claim
230 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal.
Claim 36
Dependent Claim
54 words
An apparatus according to Claim 24, wherein said scanning selection signal has a voltage of the reverse polarity to and a voltage of the same polarity as the voltage of one polarity applied to the plural scanning electrodes by the first drive means, with respect to the voltage level of a non-selected scanning electrode.
Claim 37
Dependent Claim
250 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 38
Dependent Claim
250 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 39
Dependent Claim
34 words
An apparatus according to Claim 26, wherein the voltage of one polarity of the former scanning selection signal is applied simultaneously with the voltage of the other polarity of the former scanning selection signal.
Claim 40
Dependent Claim
37 words
An apparatus according to Claim 26, wherein the voltage of one polarity of the former scanning selection signal is applied immediately after the completion of the voltage of the other polarity of the former scanning selection signal.
Claim 41
Dependent Claim
250 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first means for sequentially applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 42
Dependent Claim
250 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first means for sequentially applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 43
Dependent Claim
34 words
An apparatus according to Claim 29, wherein the voltage of one polarity of the former scanning selection signal is applied simultaneously with the voltage of the other polarity of the former scanning selection signal.
Claim 44
Dependent Claim
37 words
An apparatus according to Claim 29, wherein the voltage of one polarity of the former scanning selection signal is applied immediately after the completion of the voltage of the other polarity of the former scanning selection signal.
Claim 45
Dependent Claim
33 words
An apparatus according to Claim 29, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 46
Dependent Claim
33 words
An apparatus according to Claim 29, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
Claim 47
Dependent Claim
52 words
An apparatus according to Claim 29, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes N scanning electrodes apart (N is an integer of 2, 3, 4, ...) in one vertical scanning, and one picture scanning is effected in (N+1) times of vertical scanning.
Claim 48
Dependent Claim
278 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first means for sequentially applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 49
Dependent Claim
278 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first means for sequentially applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 50
Dependent Claim
34 words
An apparatus according to Claim 35, wherein the voltage of one polarity of the former scanning selection signal is applied simultaneously with the voltage of the other polarity of the former scanning selection signal.
Claim 51
Dependent Claim
37 words
An apparatus according to Claim 35, wherein the voltage of one polarity of the former scanning selection signal is applied immediately after the completion of the voltage of the other polarity of the former scanning selection signal.
Claim 52
Dependent Claim
270 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 53
Dependent Claim
270 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 54
Dependent Claim
34 words
An apparatus according to Claim 38, wherein the voltage of one polarity of the former scanning selection signal is applied simultaneously with the voltage of the other polarity of the former scanning selection signal.
Claim 55
Dependent Claim
37 words
An apparatus according to Claim 38, wherein the voltage of one polarity of the former scanning selection signal is applied immediately after the completion of the voltage of the other polarity of the former scanning selection signal.
Claim 56
Dependent Claim
281 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first means for sequentially applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and so that the scanning selection signal is applied to scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 57
Dependent Claim
281 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first means for sequentially applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and so that the scanning selection signal is applied to scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 58
Dependent Claim
34 words
An apparatus according to Claim 41, wherein the voltage of one polarity of the former scanning selection signal is applied simultaneously with the voltage of the other polarity of the former scanning selection signal.
Claim 59
Dependent Claim
37 words
An apparatus according to Claim 41, wherein the voltage of one polarity of the former scanning selection signal is applied immediately after the completion of the voltage of the other polarity of the former scanning selection signal.
Claim 60
Dependent Claim
33 words
An apparatus according to Claim 41, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 61
Dependent Claim
33 words
An apparatus according to Claim 41, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
Claim 62
Dependent Claim
52 words
An apparatus according to Claim 41, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes N scanning electrodes apart (N is an integer of 2, 3, 4, ...) in one vertical scanning, and one picture scanning is effected in (N+1) times of vertical scanning.
Claim 63
Dependent Claim
298 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first means for sequentially applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 64
Dependent Claim
298 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first means for sequentially applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal.
Claim 65
Dependent Claim
34 words
An apparatus according to Claim 47, wherein the voltage of one polarity of the former scanning selection signal is applied simultaneously with the voltage of the other polarity of the former scanning selection signal.
Claim 66
Dependent Claim
37 words
An apparatus according to Claim 47, wherein the voltage of one polarity of the former scanning selection signal is applied immediately after the completion of the voltage of the other polarity of the former scanning selection signal.
Claim 67
Dependent Claim
111 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 68
Dependent Claim
111 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 69
Dependent Claim
35 words
An apparatus according to Claim 50, wherein said scanning selection signal has a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode.
Claim 70
Dependent Claim
110 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 71
Dependent Claim
110 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 72
Dependent Claim
35 words
An apparatus according to Claim 52, wherein said scanning selection signal has a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode.
Claim 73
Dependent Claim
33 words
An apparatus according to Claim 52, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 74
Dependent Claim
33 words
An apparatus according to Claim 52, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
Claim 75
Dependent Claim
52 words
An apparatus according to Claim 52, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes N scanning electrodes apart (N is an integer of 2, 3, 4, ...) in one vertical scanning, and one picture scanning is effected in (N+1) times of vertical scanning.
Claim 76
Dependent Claim
141 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, and so as to effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 77
Dependent Claim
141 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, and so as to effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 78
Dependent Claim
35 words
An apparatus according to Claim 57, wherein said scanning selection signal has a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode.
Claim 79
Dependent Claim
131 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 80
Dependent Claim
131 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 81
Dependent Claim
35 words
An apparatus according to Claim 59, wherein said scanning selection signal has a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode.
Claim 82
Dependent Claim
130 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 83
Dependent Claim
130 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 84
Dependent Claim
35 words
An apparatus according to Claim 61, wherein said scanning selection signal has a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode.
Claim 85
Dependent Claim
33 words
An apparatus according to Claim 61, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 86
Dependent Claim
33 words
An apparatus according to Claim 61, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
Claim 87
Dependent Claim
52 words
An apparatus according to Claim 61, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes N scanning electrodes apart (N is an integer of 2, 3, 4, ...) in one vertical scanning, and one picture scanning is effected in (N+1) times of vertical scanning.
Claim 88
Dependent Claim
161 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, and so as to effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 89
Dependent Claim
161 words
A liquid crystal apparatus, comprising: a) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state, at least one type of said scanning electrodes and data electrodes being formed in at least two different electrode widths; and b) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, and so that the scanning selection signal is applied to scanning electrodes which are not adjacent to each other in at least two consecutive times of vertical scanning, and so as to effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal.
Claim 90
Dependent Claim
35 words
An apparatus according to Claim 66, wherein said scanning selection signal has a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode.
Claim 91
Dependent Claim
215 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 92
Dependent Claim
215 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrode two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, and a second drive means for applying to a selected data electrode a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to another data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the voltage of the other polarity of the scanning selection signal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 93
Dependent Claim
33 words
A system according to Claim 68, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 94
Dependent Claim
33 words
A system according to Claim 68, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
Claim 95
Dependent Claim
52 words
A system according to Claim 68, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes N scanning electrodes apart (N is an integer of 2, 3, 4, ...) in one vertical scanning, and one picture scanning is effected in (N+1) times of vertical scanning.
Claim 96
Dependent Claim
218 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes intersecting with the scanning electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 97
Dependent Claim
218 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes intersecting with the scanning electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first drive means for, prior to application of a scanning selection signal, applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of plural scanning electrodes and the data electrodes by applying a voltage of one polarity to the plural scanning electrodes, a second drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a voltage of a polarity opposite to that of the voltage of one polarity with respect to the voltage level of a non-selected scanning electrode; and applying to a selected data electrode a voltage causing the second orientation state of the ferroelectric liquid crystal in combination with the scanning selection signal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 98
Dependent Claim
33 words
A system according to Claim 72, wherein said second drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 99
Dependent Claim
33 words
A system according to Claim 72, wherein said second drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
Claim 100
Dependent Claim
52 words
A system according to Claim 72, wherein said second drive means comprises means for applying the scanning selection signal to the scanning electrodes N scanning electrodes apart (N is an integer of 2, 3, 4, ...) in one vertical scanning, and one picture scanning is effected in (N+1) times of vertical scanning.
Claim 101
Dependent Claim
54 words
A system according to Claim 72, wherein said scanning selection signal has a voltage of the reverse polarity to and a voltage of the same polarity as the voltage of one polarity applied to the plural scanning electrodes by the first drive means, with respect to the voltage level of a non-selected scanning electrode.
Claim 102
Dependent Claim
40 words
A system according to Claim 72, wherein said first drive means is a means for applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of all the scanning electrodes and the data electrodes.
Claim 103
Dependent Claim
43 words
A system according to Claim 72, wherein said first drive means is a means for applying a voltage causing the first orientation state of the ferroelectric liquid crystal to the intersections of a prescribed number of the scanning electrodes and the data electrodes.
Claim 104
Dependent Claim
281 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 105
Dependent Claim
281 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning, said scanning selection signal having a former voltage of one polarity and a latter voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode, two successive scanning selection signals including a former and a latter scanning selection signal being applied to the scanning electrodes in such a time relationship that the former voltage of one polarity of the latter scanning selection signal is commenced to be applied before the completion of a data signal associated with the former scanning selection signal and after the application of the voltage of one polarity of the former scanning selection signal, and a second means for applying to all or a prescribed number of the data electrodes a voltage signal which provides a voltage causing the first orientation state of the ferroelectric liquid crystal in combination with the voltage of one polarity of the scanning selection signal, and applying to a selected data electrode a voltage signal which provides a voltage causing the second orientation state of the ferroelectric liquid crystal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 106
Dependent Claim
34 words
A system according to Claim 79, wherein the voltage of one polarity of the former scanning selection signal is applied simultaneously with the voltage of the other polarity of the former scanning selection signal.
Claim 107
Dependent Claim
37 words
A system according to Claim 79, wherein the voltage of one polarity of the former scanning selection signal is applied immediately after the completion of the voltage of the other polarity of the former scanning selection signal.
Claim 108
Dependent Claim
142 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first drive means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 109
Dependent Claim
142 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first drive means for sequentially applying a scanning selection signal to scanning electrodes which are not adjacent to each other in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 110
Dependent Claim
35 words
A system according to Claim 82, wherein said scanning selection signal has a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode.
Claim 111
Dependent Claim
141 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 112
Dependent Claim
141 words
A display system, comprising: a) an image memory for storing image data, b) a liquid crystal device comprising an electrode matrix composed of scanning electrodes and data electrodes, and a ferroelectric liquid crystal showing a first and a second orientation state; c) a driving means including: a first drive means for applying a scanning selection signal to the scanning electrodes two or more scanning electrodes apart in one vertical scanning so as to effect one picture scanning in plural times of vertical scanning and effect one gradational picture scanning in plural times of one picture scanning, and a second drive means for applying data signals to the data electrodes in synchronism with the scanning selection signal, and d) a control means for controlling the drive means so as to effect a display corresponding to data signals outputted from the image memory.
Claim 113
Dependent Claim
35 words
A system according to Claim 84, wherein said scanning selection signal has a voltage of one polarity and a voltage of the other polarity with respect to the voltage level of a nonselected scanning electrode.
Claim 114
Dependent Claim
33 words
A system according to Claim 84, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 4 or more scanning electrodes apart in one vertical scanning.
Claim 115
Dependent Claim
33 words
A system according to Claim 84, wherein said first drive means comprises means for applying the scanning selection signal to the scanning electrodes 5 - 20 scanning electrodes apart in one vertical scanning.
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