DE69022519D1 - Methode zur Reduzierung abgeschatteter Bereiche auf Orientierungsfilmen in Flüssigkristallen. - Google Patents
Methode zur Reduzierung abgeschatteter Bereiche auf Orientierungsfilmen in Flüssigkristallen.Info
- Publication number
- DE69022519D1 DE69022519D1 DE69022519T DE69022519T DE69022519D1 DE 69022519 D1 DE69022519 D1 DE 69022519D1 DE 69022519 T DE69022519 T DE 69022519T DE 69022519 T DE69022519 T DE 69022519T DE 69022519 D1 DE69022519 D1 DE 69022519D1
- Authority
- DE
- Germany
- Prior art keywords
- reducing
- liquid crystals
- orientation films
- shadowed areas
- shadowed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8892089A JP2749624B2 (ja) | 1989-04-07 | 1989-04-07 | アクティブマトリクス液晶表示素子の液晶分子配向処理方法 |
PCT/JP1990/000457 WO1990012340A1 (en) | 1989-04-07 | 1990-04-04 | Alignment of liquid crystal molecules of active matrix liquid crystal display device |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69022519D1 true DE69022519D1 (de) | 1995-10-26 |
DE69022519T2 DE69022519T2 (de) | 1996-02-01 |
Family
ID=13956354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69022519T Expired - Fee Related DE69022519T2 (de) | 1989-04-07 | 1990-04-04 | Methode zur Reduzierung abgeschatteter Bereiche auf Orientierungsfilmen in Flüssigkristallen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5198917A (de) |
EP (1) | EP0418400B1 (de) |
JP (1) | JP2749624B2 (de) |
DE (1) | DE69022519T2 (de) |
HK (1) | HK172696A (de) |
WO (1) | WO1990012340A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04258924A (ja) * | 1991-02-13 | 1992-09-14 | Canon Inc | カイラルスメクチック液晶素子およびその製造方法 |
JPH05165061A (ja) * | 1991-12-17 | 1993-06-29 | Sony Corp | 液晶表示装置 |
JP2877601B2 (ja) * | 1992-01-10 | 1999-03-31 | 松下電器産業株式会社 | 液晶表示装置とその製造法 |
US5398127A (en) * | 1992-03-03 | 1995-03-14 | Matsushita Electric Industrial Co., Ltd. | Active matrix twisted nematic liquid crystal display with rubbing direction 1-44 degrees to the electrodes |
US5657102A (en) * | 1993-01-29 | 1997-08-12 | Sharp Kabushiki Kaisha | Liquid crystal display apparatus, a method for producing the same, and a substrate having an alignment layer with different degrees of roughness |
EP0635748B1 (de) * | 1993-07-23 | 2001-12-12 | Sharp Kabushiki Kaisha | Flüssigkristall-Anzeigevorrichtung und Verfahren zu ihrer Herstellung |
US5689322A (en) * | 1993-07-30 | 1997-11-18 | Sharp Kabushiki Kaisha | Liquid crystal display device having regions with different twist angles |
TW259845B (de) * | 1993-07-30 | 1995-10-11 | Sharp Kk | |
JPH07294936A (ja) * | 1994-04-25 | 1995-11-10 | Casio Comput Co Ltd | マトリックス型液晶表示装置 |
US6151090A (en) * | 1995-05-31 | 2000-11-21 | Casio Computer Co., Ltd. | LCD using liquid crystal of ferroelectric and/or antiferroelectric phase having pretilt angle of 1 degree or less |
US5786878A (en) * | 1995-11-27 | 1998-07-28 | Lg Electronics Inc. | Method of manufacturing a liquid crystal display having randomly distributed bidirectional surface orientations |
US5953091A (en) * | 1998-04-09 | 1999-09-14 | Ois Optical Imaging Systems, Inc. | Multi-domain LCD and method of making same |
KR100857719B1 (ko) * | 2001-03-26 | 2008-09-08 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
KR101910599B1 (ko) * | 2011-06-24 | 2018-10-23 | 삼성전자주식회사 | 광학 보상 필름 및 이를 포함하는 액정 표시 장치 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5756822A (en) * | 1980-09-22 | 1982-04-05 | Hitachi Ltd | Liquid crystal panel |
JPS60178425A (ja) * | 1984-02-27 | 1985-09-12 | Matsushita Electric Ind Co Ltd | 液晶表示装置の製造方法 |
JPH0610704B2 (ja) * | 1984-05-16 | 1994-02-09 | セイコーエプソン株式会社 | 液晶表示装置 |
JPS61272719A (ja) * | 1985-05-27 | 1986-12-03 | Hosiden Electronics Co Ltd | 強誘電性液晶セル及びその製造方法 |
JPS62116921A (ja) * | 1985-11-15 | 1987-05-28 | Sanyo Electric Co Ltd | 液晶表示装置 |
US4796979A (en) * | 1986-04-07 | 1989-01-10 | Canon Kabushiki Kaisha | Ferroelectric liquid crystal device having dual laminated alignment films |
JPH0616139B2 (ja) * | 1986-08-04 | 1994-03-02 | キヤノン株式会社 | 液晶光変調器 |
JPS63293528A (ja) * | 1987-05-26 | 1988-11-30 | Toshiba Corp | 液晶表示装置 |
-
1989
- 1989-04-07 JP JP8892089A patent/JP2749624B2/ja not_active Expired - Fee Related
-
1990
- 1990-04-04 US US07/613,709 patent/US5198917A/en not_active Expired - Lifetime
- 1990-04-04 DE DE69022519T patent/DE69022519T2/de not_active Expired - Fee Related
- 1990-04-04 EP EP90905675A patent/EP0418400B1/de not_active Expired - Lifetime
- 1990-04-04 WO PCT/JP1990/000457 patent/WO1990012340A1/ja active IP Right Grant
-
1996
- 1996-09-12 HK HK172696A patent/HK172696A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1990012340A1 (en) | 1990-10-18 |
JP2749624B2 (ja) | 1998-05-13 |
JPH02266328A (ja) | 1990-10-31 |
EP0418400A4 (en) | 1991-09-11 |
US5198917A (en) | 1993-03-30 |
HK172696A (en) | 1996-09-20 |
EP0418400B1 (de) | 1995-09-20 |
DE69022519T2 (de) | 1996-02-01 |
EP0418400A1 (de) | 1991-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: CITIZEN HOLDINGS CO., LTD., NISHITOKYO, TOKIO/, JP |
|
8339 | Ceased/non-payment of the annual fee |