Patent US2763398A successfully refreshed from Google Patents.
Patent EP0530972A2 successfully refreshed from Google Patents.
EP0530972A2
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EP
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Liquid crystal image display unit
Assignee: Canon Inc
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Filing: 1992-07-31
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Granted: —
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Expires: 2012-07-31
Abstract
Abstract A liquid crystal image display unit created on a substrate non-transparent to the light in the visible radiation area, characterized in that a portion beneath a liquid crystal pixel part on said substrate is removed, so that the light is made transmissive through said liquid crystal pixel part. <IMAGE>
Inventors
- 👤 Takao C/O Canon Kabushiki Kaisha Yonehara
- 👤 Mamoru C/O Canon Kabushiki Kaisha Miyawaki
- 👤 Akira C/O Canon Kabushiki Kaisha Ishizaki
- 👤 Junichi C/O Canon Kabushiki Kaisha Hoshi
- 👤 Masaru C/O Canon Kabushiki Kaisha Sakamoto
- 👤 Shigetoshi C/O Canon Kabushiki Kaisha Sugawa
- 👤 Shunsuke C/O Canon Kabushiki Kaisha Inoue
- 👤 Toru C/O Canon Kabushiki Kaisha Koizumi
- 👤 Tetsunobu C/O Canon Kabushiki Kaisha Kohchi
- 👤 Kiyofumi C/O Canon Kabushiki Kaisha Sakaguchi
- 👤 Takanori C/O Canon Kabushiki Kaisha Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 06:12
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1345; G02F1/13454; H; H10; H10D; H10D86/00; H10D86/201; H10D86/40; H10D86/421; H10D86/427; H10D86/60; G02F1/136; G02F1/1362; G02F1/136277; G02F1/136281; G02F2202/00; G02F2202/10; G02F2202/105; Y; Y10; Y10S; Y10S438/00; Y10S438/96
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
48 words
A liquid crystal image display unit created on a substrate non-transparent to the light in the visible radiation area, characterized in that a portion beneath a liquid crystal pixel part on said substrate is removed, so that the light is made transmissive through said liquid crystal pixel part.
Claim 2
Dependent Claim
32 words
The liquid crystal image display unit according to claim 1, characterized in that a monocrystalline semiconductor layer formed with an active region of semiconductor element is provided on said light non-transparent substrate.
Claim 3
Dependent Claim
24 words
The liquid crystal image display unit according to claim 2, characterized in that said monocrystalline semiconductor layer and said substrate are made of silicon.
Claim 4
Dependent Claim
28 words
The liquid crystal image display unit according to claim 1, characterized in that a silicon nitride film is provided on a plane under said liquid crystal pixel part.
Claim 5
Dependent Claim
28 words
The liquid crystal image display unit according to claim 2, characterized in that a silicon nitride film is provided on a plane under said liquid crystal pixel part.
Claim 6
Dependent Claim
28 words
The liquid crystal image display unit according to claim 3, characterized in that a silicon nitride film is provided on a plane under said liquid crystal pixel part.
Claim 7
Dependent Claim
39 words
The liquid crystal image display unit according to claim 1, characterized in that the plane under said liquid crystal pixel part is formed of a layer made of silicon oxide, and is provided with a silicon nitride film thereon.
Claim 8
Dependent Claim
39 words
The liquid crystal image display unit according to claim 2, characterized in that the plane under said liquid crystal pixel part is formed of a layer made of silicon oxide, and is provided with a silicon nitride film thereon.
Claim 9
Dependent Claim
39 words
The liquid crystal image display unit according to claim 3, characterized in that the plane under said liquid crystal pixel part is formed of a layer made of silicon oxide, and is provided with a silicon nitride film thereon.
Claim 10
Dependent Claim
28 words
The liquid crystal image display unit according to claim 1, characterized in that the plane under said liquid crystal pixel part is provided with a transparent member thereon.
Claim 11
Dependent Claim
28 words
The liquid crystal image display unit according to claim 2, characterized in that the plane under said liquid crystal pixel part is provided with a transparent member thereon.
Claim 12
Dependent Claim
28 words
The liquid crystal image display unit according to claim 3, characterized in that the plane under said liquid crystal pixel part is provided with a transparent member thereon.
Claim 13
Dependent Claim
30 words
The liquid crystal image display unit according to claim 2, characterized in that said substrate is provided with potential setting means for setting the potential of said monocrystalline semiconductor layer.
Claim 14
Dependent Claim
57 words
The liquid crystal image display unit according to claim 1, characterized in that said liquid crystal pixel part on said substrate includes a layer thickness varying region where the layer thickness of said substrate varies, and a wiring for connecting said liquid crystal pixel part with a peripheral circuit is provided on said layer thickness varying region.
Claim 15
Dependent Claim
57 words
The liquid crystal image display unit according to claim 2, characterized in that said liquid crystal pixel part on said substrate includes a layer thickness varying region where the layer thickness of said substrate varies, and a wiring for connecting said liquid crystal pixel part with a peripheral circuit is provided on said layer thickness varying region.
Claim 16
Dependent Claim
57 words
The liquid crystal image display unit according to claim 3, characterized in that said liquid crystal pixel part on said substrate includes a layer thickness varying region where the layer thickness of said substrate varies, and a wiring for connecting said liquid crystal pixel part with a peripheral circuit is provided on said layer thickness varying region.
Claim 17
Dependent Claim
89 words
A fabrication method for a liquid crystal image display unit having a substrate and a liquid crystal pixel part formed on said substrate, wherein a portion under said liquid crystal pixel part on said substrate is light transparent, characterized in that after said liquid crystal pixel part is formed on a light transparent insulation layer formed on a light non-transparent substrate, a part of said substrate under said liquid crystal pixel part is removed by etching so that the light is able to enter said liquid crystal pixel part.
Claim 18
Dependent Claim
29 words
The fabrication method according to claim 17, characterized in that after a semiconductor element is formed on said light transparent insulation layer, said liquid crystal pixel part is formed.
Claim 19
Dependent Claim
29 words
The fabrication method according to claim 18, characterized in that after a semiconductor layer formed on another substrate is transferred on to said substrate, said semiconductor element is formed.
Claim 20
Dependent Claim
20 words
The fabrication method according to claim 18, characterized in that said semiconductor element has an active layer made of silicon.
Claim 21
Dependent Claim
16 words
The fabrication method according to claim 17, characterized in that said etching is a wet etching.
Claim 22
Dependent Claim
16 words
The fabrication method according to claim 17, characterized in that said etching is a dry etching.
Claim 23
Dependent Claim
16 words
The fabrication method according to claim 17, characterized in that said etching is an anisotropic etching.
Claim 24
Dependent Claim
88 words
A fabrication method for a semiconductor optical member having a light transparent portion and a light non-transparent portion, characterized by including the steps of: bonding the surface side of a monocrystalline semiconductor layer formed on a porous first substrate to the insulating surface side of a light non-transparent second substrate; removing said first substrate with a treatment including wet etching; and forming a region upon which the light is incident from said second substrate side on said monocrystalline semiconductor layer by removing a part of said second substrate.
Claim 25
Dependent Claim
26 words
The fabrication method according to claim 24, characterized in that said first substrate, said monocrystalline semiconductor layer and said second substrate are all made of silicon.
Claim 26
Dependent Claim
29 words
The fabrication method according to claim 24, characterized in that after a semiconductor element is formed using said monocrystalline semiconductor layer, a part of said second substrate is removed.
Claim 27
Dependent Claim
21 words
The fabrication method according to claim 24, characterized in that said semiconductor optical member is a liquid crystal image display unit.
Claim 28
Dependent Claim
24 words
The fabrication method according to claim 24, characterized in that said second substrate includes a line non-transparent substrate and a light transparent insulation layer.
Claim 29
Dependent Claim
43 words
A liquid crystal image display unit comprising at least two semiconductor elements having active layers comprised of a monocrystalline semiconductor on a substrate having an insulating surface characterized in that: said plurality of semiconductor elements have respective active layers having different layer thicknesses.
Claim 30
Dependent Claim
59 words
The liquid crystal image display unit according to claim 29, characterized in that: a semiconductor element including an active layer having a first layer thickness is used as a switching element for the selection of pixel; and a peripheral circuit is constituted of another semiconductor element having an active layer having a greater layer thickness than said first layer.
Claim 31
Dependent Claim
29 words
The liquid crystal image display unit according to claim 30, characterized in that said peripheral circuit has a semiconductor element including an active layer having a different layer thickness.
Claim 32
Dependent Claim
28 words
The liquid crystal image display unit according to claim 30, characterized in that said switching element is a MOS transistor, and said peripheral circuit includes a CMOS inverter.
Claim 33
Independent Claim
54 words
A method of providing a semiconductor optical member having a light transparent portion and a light non-transparent portion, characterised in that the member is formed using a light non-transparent substrate, and the light non-transparent substrate is then removed from at least a portion of the member to allow light to fall on the member.
Claim 34
Dependent Claim
36 words
A liquid crystal image display unit provided on a non-transparent substrate, the non-transparent substrate having an aperture aligned under each pixel unit of the display unit so as to allow light through to each pixel unit.
References Cited (Backward Citations)
No citation records indexed.
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