Patent US5317437A successfully refreshed from Google Patents.
US5317437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display apparatus with pixels having subpixel regions
Assignee: Canon Inc
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Filing: 1992-07-22
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Granted: 1994-05-31
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Expires: 2012-07-22
Abstract
Abstract A display apparatus has pixels arranged along rows and columns in which each pixel is defined by a pair of opposed electrodes. The pixels are provided by sub-pixels with color filters of different colors wherein integral light quantities of the same color sub-pixels of adjacent pixels are different. The display apparatus is capable of selecting a first display operation in which a single pixel is displayed as one display unit, as well as a second display operation in which at least two adjacent pixels are combined to form one display unit.
Inventors
- 👤 Kazunori Katakura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:20
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1343; G02F1/134309; G02F1/134336; G09; G09G; G09G3/00; G09G3/20; G09G3/34; G09G3/36; G09G3/3607; G02F1/134345; G09G3/2007; G09G3/2074
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
91 words
A display apparatus comprising pixels arranged along plural rows and columns, each pixel comprising a pair of opposed electrodes, wherein: said pixels further comprise an arrangement of plural sub-pixels with color filters of different colors wherein integral light quantities of the same color sub-pixels of adjacent pixels are different; said display apparatus further comprises means for selecting a first display operation in which a single pixel is displayed as one display unit, or a second display operation in which at least two adjacent pixels are combined to form one display unit.
Claim 2
Dependent Claim
91 words
A display apparatus comprising pixels arranged along plural rows and columns, each pixel comprising a pair of opposed electrodes, wherein: said pixels further comprise an arrangement of plural sub-pixels with color filters of different colors wherein integral light quantities of the same color sub-pixels of adjacent pixels are different; said display apparatus further comprises means for selecting a first display operation in which a single pixel is displayed as one display unit, or a second display operation in which at least two adjacent pixels are combined to form one display unit.
Claim 3
Dependent Claim
20 words
A display apparatus according to claim 1, wherein the different colors of said color filters are red, green and blue.
Claim 4
Dependent Claim
19 words
A display apparatus according to claim 1, wherein said integral light quantity corresponds to an area of the sub-pixel.
Claim 5
Dependent Claim
18 words
A display apparatus according to claim 1, wherein a liquid crystal is arranged between said pair of electrodes.
Claim 6
Dependent Claim
16 words
A display apparatus according to claim 4, wherein said liquid crystal is a ferroelectric liquid crystal.
Claim 7
Dependent Claim
20 words
A display apparatus according to claim 1, wherein said adjacent pixels are among pixels arranged in one of said rows.
Claim 8
Dependent Claim
38 words
A display apparatus according to claim 1, wherein one of said pair of electrodes is a scanning electrode of a matrix electrode, and the other of said pair of electrodes in an information electrode of the matrix electrode.
Claim 9
Dependent Claim
80 words
A display apparatus comprising pixels arranged along plural rows and columns, said pixels comprising a pair of opposed electrodes, wherein: said pixels further comprise plural sub-pixels with different areas, wherein integral light quantities of adjacent pixels are different; said display apparatus further comprises means for selecting a first display operation in which a single pixel is displayed as one display unit, or a second display operation in which at least two adjacent pixels are combined to form one display unit.
Claim 10
Dependent Claim
80 words
A display apparatus comprising pixels arranged along plural rows and columns, said pixels comprising a pair of opposed electrodes, wherein: said pixels further comprise plural sub-pixels with different areas, wherein integral light quantities of adjacent pixels are different; said display apparatus further comprises means for selecting a first display operation in which a single pixel is displayed as one display unit, or a second display operation in which at least two adjacent pixels are combined to form one display unit.
Claim 11
Dependent Claim
19 words
A display apparatus according to claim 8, wherein said integral light quantity corresponds to an area of said sub-pixel.
Claim 12
Dependent Claim
18 words
A display apparatus according to claim 8, wherein a liquid crystal is arranged between said pair of electrodes.
Claim 13
Dependent Claim
15 words
A display apparatus according to claim 10, wherein said liquid crystal is ferroelectric liquid crystal.
Claim 14
Dependent Claim
20 words
A display apparatus according to claim 8, wherein said adjacent pixels are among pixels arranged in one of said rows.
Claim 15
Dependent Claim
38 words
A display apparatus according to claim 8, wherein one of said pair of electrodes is a scanning electrode of a matrix electrode, and the other of said pair of electrodes is an information electrode of the matrix electrode.
Claim 16
Dependent Claim
21 words
A display apparatus according to claim 8, wherein said sub-pixels in said pixel are provided with color filters of different colors.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-05-30 | 1997-11-29 | 1998-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-30 | 2001-11-29 | 2002-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-30 | 2005-11-29 | 2006-05-31 | $7700.00 | Window Closed / Lapsed |