US5828352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image-forming device
Assignee: Canon Inc
•
Filing: 1994-10-11
•
Granted: 1998-10-27
•
Expires: 2014-10-11
Abstract
Abstract An image-forming device having, in an envelope, an electron-emitting element, an image-forming member for forming an image by irradiation of an electron beam emitted from the electron-emitting element, and an electroconductive supporting member for supporting the envelope. The potential of the supporting member is controlled to not be higher than the maximum potential applied to the electron-emitting element. The electron-emitting element and the image-forming member can be placed in juxtaposition on the same substrate, an electroconductive substrate can be additionally provided in opposition to the face of the substrate, and the supporting member can be connected electrically to one of the electrodes and also to the electroconductive substrate.
Inventors
- 👤 Ichiro Nomura
- 👤 Hidetoshi Suzuki
- 👤 Tetsuya Kaneko
- 👤 Shinya Mishina
- 👤 Naoto Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:56
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; H; H01; H01J; H01J1/00; H01J1/02; H01J1/30; H01J1/316; H01J29/00; H01J29/02; H01J29/028; H01J29/86; H01J29/864; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/123; H01J31/125; H01J31/127; G09G2300/00; G09G2300/04; G09G2300/0421; G09G2300/0426; H01J2201/00; H01J2201/30; H01J2201/316; H01J2201/3165; H01J2329/00; H01J2329/86; H01J2329/8625; H01J2329/863; H01J2329/864; H01J2329/8645; H01J2329/865; H01J2329/8655
Claims Analysis
Total Claims: 59
Claim 1
Independent Claim
105 words
An image-forming device comprising, in an envelope: a cold cathode type electron-emitting element having a pair of electrodes and an electron-emitting region located between the electrodes, with the electron-emitting element emitting an electron beam by application of voltage between the electrodes; an image-forming member for forming an image on irradiation of the electron beam emitted from the electron-emitting element; and an electroconductive supporting member for supporting the envelope against atmospheric pressure, wherein the supporting member is connected electrically to one of the electrodes, and a potential in a whole surface of said supporting member is the same potential as that in one of said electrodes.
Claim 2
Dependent Claim
105 words
An image-forming device comprising, in an envelope: a cold cathode type electron-emitting element having a pair of electrodes and an electron-emitting region located between the electrodes, with the electron-emitting element emitting an electron beam by application of voltage between the electrodes; an image-forming member for forming an image on irradiation of the electron beam emitted from the electron-emitting element; and an electroconductive supporting member for supporting the envelope against atmospheric pressure, wherein the supporting member is connected electrically to one of the electrodes, and a potential in a whole surface of said supporting member is the same potential as that in one of said electrodes.
Claim 3
Dependent Claim
17 words
The image-forming device of claim 1, wherein the supporting member is placed on one of the electrodes.
Claim 4
Dependent Claim
27 words
The image-forming device of claim 1, wherein the supporting member is connected electrically to an electrode to which a voltage of 0 V or lower is applied.
Claim 5
Dependent Claim
24 words
The image-forming device of claim 1, wherein the electron-emitting element and the image-forming member are placed in opposition on a pair of opposing substrates.
Claim 6
Dependent Claim
24 words
The image-forming device of claim 1, wherein the electron-emitting element and the image-forming member are placed in juxtaposition on one and the same substrate.
Claim 7
Dependent Claim
31 words
The image-forming device of claim 1, wherein the electron-emitting element has a plurality of electron-emitting sections arranged in an XY matrix, and the supporting member is placed between the electron-emitting sections.
Claim 8
Dependent Claim
29 words
The image-forming device of claim 1, wherein a modulation means is further provided for modulating the electron beam emitted from the electron-emitting element in accordance with an information signal.
Claim 9
Dependent Claim
28 words
The image-forming device of claim 7, wherein the modulation means comprises a modulation electrode placed on one and the same face of a substrate with the electron-emitting element.
Claim 10
Dependent Claim
27 words
The image-forming device of claim 7, wherein the modulation means comprises a modulation electrode formed by lamination on the electron-emitting element with interposition of an insulating layer.
Claim 11
Dependent Claim
36 words
The image-forming device of claim 7, wherein the modulation means comprises scanning electrodes and information signal electrodes which are arranged in an XY matrix and are connected respectively to an electron-emitting section of the electron-emitting element.
Claim 12
Dependent Claim
22 words
The image-forming device of claim 1, wherein the image-forming member is an illuminant which emits light on irradiation of the electron beam.
Claim 13
Dependent Claim
23 words
The image-forming device of claim 11, wherein the illuminant comprises three kinds of illuminants of three primary colors of red, green, and blue.
Claim 14
Dependent Claim
44 words
The image-forming device of claim 1, wherein the image forming member is an illuminant which emits light on irradiation of the electron beam, and the device further comprises a recording medium on which an image is recorded by irradiation of light from the illuminant.
Claim 15
Dependent Claim
48 words
The image-forming device of claim 1, wherein the image-forming member is an illuminant which emits light on irradiation of the electron beam, and the device further comprises a supporting means which supports a recording medium on which an image is recorded by irradiation of light from the illuminant.
Claim 16
Dependent Claim
21 words
The image-forming device according to claim 1, wherein said cold cathode type electron-emitting element comprises a surface conduction type electron-emitting element.
Claim 17
Dependent Claim
117 words
An image-forming device comprising, in an envelope: a cold cathode type electron-emitting element having a pair of electrodes and an electron-emitting region located between the electrodes, with the electron-emitting element emitting an electron beam by application of voltage between a higher potential electrode and a lower potential electrode in said pair of electrodes; an image-forming member for forming an image on irradiation of the electron beam emitted from the electron-emitting element; and an electroconductive supporting member for supporting the envelope against atmospheric pressure, wherein the supporting member is connected electrically to said lower potential electrode, and a potential in a whole surface of said supporting member is the same potential as that in said lower potential electrode.
Claim 18
Dependent Claim
117 words
An image-forming device comprising, in an envelope: a cold cathode type electron-emitting element having a pair of electrodes and an electron-emitting region located between the electrodes, with the electron-emitting element emitting an electron beam by application of voltage between a higher potential electrode and a lower potential electrode in said pair of electrodes; an image-forming member for forming an image on irradiation of the electron beam emitted from the electron-emitting element; and an electroconductive supporting member for supporting the envelope against atmospheric pressure, wherein the supporting member is connected electrically to said lower potential electrode, and a potential in a whole surface of said supporting member is the same potential as that in said lower potential electrode.
Claim 19
Dependent Claim
20 words
The image-forming device of claim 16, wherein the supporting member is placed on the face of the lower potential electrode.
Claim 20
Dependent Claim
25 words
The image-forming device of claim 16, wherein a means is provided which applies a voltage of 0 V or lower to the lower potential electrode.
Claim 21
Dependent Claim
24 words
The image-forming device of claim 16, wherein the electron-emitting element and the image-forming member are placed in opposition on a pair of opposing substrates.
Claim 22
Dependent Claim
24 words
The image-forming device of claim 16, wherein the electron-emitting element and the image-forming member are placed in juxtaposition on one and the same substrate.
Claim 23
Dependent Claim
31 words
The image-forming device of claim 16, wherein the electron-emitting element has a plurality of electron-emitting sections arranged in an XY matrix, and the supporting member is placed between the electron-emitting sections.
Claim 24
Dependent Claim
29 words
The image-forming device of claim 16, wherein a modulation means is further provided for modulating the electron beam emitted from the electron-emitting element in accordance with an information signal.
Claim 25
Dependent Claim
28 words
The image-forming device of claim 22, wherein the modulation means comprises a modulation electrode placed on one and the same face of a substrate with the electron-emitting element.
Claim 26
Dependent Claim
27 words
The image-forming device of claim 22, wherein the modulation means comprises a modulation electrode formed by lamination on the electron-emitting element with interposition of an insulating layer.
Claim 27
Dependent Claim
36 words
The image-forming device of claim 22, wherein the modulation means comprises scanning electrodes and information signal electrodes which are arranged in an XY matrix and are connected respectively to an electron-emitting section of the electron-emitting element.
Claim 28
Dependent Claim
22 words
The image-forming device of claim 16, wherein the image-forming member is an illuminant which emits light on irradiation of the electron beam.
Claim 29
Dependent Claim
23 words
The image-forming device of claim 26, wherein the illuminant comprises three kinds of illuminants of three primary colors of red, green, and blue.
Claim 30
Dependent Claim
44 words
The image-forming device of claim 16, wherein the image forming member is an illuminant which emits light on irradiation of the electron beam, and the device further comprises a recording medium on which an image is recorded by irradiation of light from the illuminant.
Claim 31
Dependent Claim
48 words
The image-forming device of claim 16, wherein the image-forming member is an illuminant which emits light on irradiation of the electron beam, and the device further comprises a supporting means which supports a recording medium on which an image is recorded by irradiation of light from the illuminant.
Claim 32
Dependent Claim
21 words
The image-forming device according to claim 16, wherein said cold cathode type electron-emitting element comprises a surface conduction type electron-emitting element.
Claim 33
Dependent Claim
147 words
An image-forming device comprising, in an envelope: a cold cathode type electron-emitting element having a pair of electrodes and an electron-emitting region located between the electrodes, with the electron-emitting element emitting an electron beam by application of voltage between the electrodes; an image-forming member for forming an image on irradiation of an electron beam emitted from the electron-emitting element; and an electroconductive supporting member for supporting the envelope against atmospheric pressure, wherein the electron-emitting element and the image-forming member are placed in juxtaposition on the same substrate, a potential-defining electrode, to which such a voltage as makes the electron beam collide with said image-forming member is applied, is additionally provided in opposition to the substrate, the supporting member is connected electrically to the potential-defining electrode, and a potential in a whole surface of said supporting member is the same potential as that in one of said electrodes.
Claim 34
Dependent Claim
147 words
An image-forming device comprising, in an envelope: a cold cathode type electron-emitting element having a pair of electrodes and an electron-emitting region located between the electrodes, with the electron-emitting element emitting an electron beam by application of voltage between the electrodes; an image-forming member for forming an image on irradiation of an electron beam emitted from the electron-emitting element; and an electroconductive supporting member for supporting the envelope against atmospheric pressure, wherein the electron-emitting element and the image-forming member are placed in juxtaposition on the same substrate, a potential-defining electrode, to which such a voltage as makes the electron beam collide with said image-forming member is applied, is additionally provided in opposition to the substrate, the supporting member is connected electrically to the potential-defining electrode, and a potential in a whole surface of said supporting member is the same potential as that in one of said electrodes.
Claim 35
Dependent Claim
24 words
The image-forming device of claim 31, wherein a means is provided which applies a voltage of 0 V or lower to the potential-defining electrode.
Claim 36
Dependent Claim
31 words
The image-forming device of claim 31, wherein the electron-emitting element has a plurality of electron-emitting sections arranged in an XY matrix, and the supporting member is placed between the electron-emitting sections.
Claim 37
Dependent Claim
29 words
The image-forming device of claim 31, wherein a modulation means is further provided for modulating the electron beam emitted from the electron-emitting element in accordance with an information signal.
Claim 38
Dependent Claim
28 words
The image-forming device of claim 34, wherein the modulation means comprises a modulation electrode placed on one and the same face of a substrate with the electron-emitting element.
Claim 39
Dependent Claim
27 words
The image-forming device of claim 34, wherein the modulation means comprises a modulation electrode formed by lamination on the electron-emitting element with interposition of an insulating layer.
Claim 40
Dependent Claim
36 words
The image-forming device of claim 34, wherein the modulation means comprises scanning electrodes and information signal electrodes which are arranged in an XY matrix and are connected respectively to an electron-emitting section of the electron-emitting element.
Claim 41
Dependent Claim
22 words
The image-forming device of claim 31, wherein the image-forming member is an illuminant which emits light on irradiation of the electron beam.
Claim 42
Dependent Claim
23 words
The image-forming device of claim 31, wherein the illuminant comprises three kinds of illuminants of three primary colors of red, green, and blue.
Claim 43
Dependent Claim
44 words
The image-forming device of claim 31, wherein the image forming member is an illuminant which emits light on irradiation of the electron beam, and the device further comprises a recording medium on which an image is recorded by irradiation of light from the illuminant.
Claim 44
Dependent Claim
48 words
The image-forming device of claim 31, wherein the image-forming member is an illuminant which emits light on irradiation of the electron beam, and the device further comprises a supporting means which supports a recording medium on which an image is recorded by irradiation of light from the illuminant.
Claim 45
Dependent Claim
21 words
The image-forming device according to claim 31, wherein said cold cathode type electron-emitting element comprises a surface conduction type electron-emitting element.
Claim 46
Dependent Claim
141 words
An image-forming device comprising, in an envelope: a cold cathode type electron-emitting element having a pair of electrodes and an electron-emitting region located between the electrodes, with the electron-emitting element emitting an electron beam by application of voltage between the electrodes; an image-forming member for forming an image on irradiation of the electron beam emitted from the electron-emitting element; and an electroconductive supporting member for supporting the envelope against atmospheric pressure, wherein the electron-emitting element and the image-forming member are placed in juxtaposition on the same substrate, a potential-defining electrode is additionally provided in opposition to said substrate, the supporting member is connected electrically to one of said electrodes and also to said potential-defining electrode and a potential in a whole surface of said supporting member is the same potential as that in one of said electrodes and said potential-defining electrode.
Claim 47
Dependent Claim
141 words
An image-forming device comprising, in an envelope: a cold cathode type electron-emitting element having a pair of electrodes and an electron-emitting region located between the electrodes, with the electron-emitting element emitting an electron beam by application of voltage between the electrodes; an image-forming member for forming an image on irradiation of the electron beam emitted from the electron-emitting element; and an electroconductive supporting member for supporting the envelope against atmospheric pressure, wherein the electron-emitting element and the image-forming member are placed in juxtaposition on the same substrate, a potential-defining electrode is additionally provided in opposition to said substrate, the supporting member is connected electrically to one of said electrodes and also to said potential-defining electrode and a potential in a whole surface of said supporting member is the same potential as that in one of said electrodes and said potential-defining electrode.
Claim 48
Dependent Claim
21 words
The image-forming device of claim 43, wherein the supporting member is connected electrically to a lower potential electrode of said electrodes.
Claim 49
Dependent Claim
28 words
The image-forming device of claim 43, wherein the supporting member is connected electrically to one of the electrodes to which voltage of 0 V or lower is applied.
Claim 50
Dependent Claim
31 words
The image-forming device of claim 43, wherein the electron-emitting element has a plurality of electron-emitting sections arranged in an XY matrix, and the supporting member is placed between the electron-emitting sections.
Claim 51
Dependent Claim
29 words
The image-forming device of claim 43, wherein a modulation means is further provided for modulating the electron beam emitted from the electron-emitting element in accordance with an information signal.
Claim 52
Dependent Claim
28 words
The image-forming device of claim 47, wherein the modulation means comprises a modulation electrode placed on one and the same face of a substrate with the electron-emitting element.
Claim 53
Dependent Claim
27 words
The image-forming device of claim 47, wherein the modulation means comprises a modulation electrode formed by lamination on the electron-emitting element with interposition of an insulating layer.
Claim 54
Dependent Claim
36 words
The image-forming device of claim 47, wherein the modulation means comprises scanning electrodes and information signal electrodes which are arranged in an XY matrix and are connected respectively to an electron-emitting section of the electron-emitting element.
Claim 55
Dependent Claim
22 words
The image-forming device of claim 43, wherein the image-forming member is an illuminant which emits light on irradiation of the electron beam.
Claim 56
Dependent Claim
23 words
The image-forming device of claim 51, wherein the illuminant comprises three kinds of illuminants of three primary colors of red, green, and blue.
Claim 57
Dependent Claim
44 words
The image-forming device of claim 43, wherein the image forming member is an illuminant which emits light on irradiation of the electron beam, and the device further comprises a recording medium on which an image is recorded by irradiation of light from the illuminant.
Claim 58
Dependent Claim
48 words
The image-forming device of claim 43, wherein the image-forming member is an illuminant which emits light on irradiation of the electron beam, and the device further comprises a supporting means which supports a recording medium on which an image is recorded by irradiation of light from the illuminant.
Claim 59
Dependent Claim
21 words
The image-forming device according to claim 43, wherein said cold cathode type electron-emitting element comprises a surface conduction type electron-emitting element.
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| 7.5 Years (Year 8) | 2005-10-26 | 2006-04-27 | 2006-10-27 | $3760.00 | Window Closed / Lapsed |
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