DE68913871D1 - Lichtventil mit positivem, dielektrischem anisotropem flüssigkristall und stark gegen die senkrechte geneigte oberflächenausrichtung und damit verbundenes verfahren. - Google Patents
Lichtventil mit positivem, dielektrischem anisotropem flüssigkristall und stark gegen die senkrechte geneigte oberflächenausrichtung und damit verbundenes verfahren.Info
- Publication number
- DE68913871D1 DE68913871D1 DE89903567T DE68913871T DE68913871D1 DE 68913871 D1 DE68913871 D1 DE 68913871D1 DE 89903567 T DE89903567 T DE 89903567T DE 68913871 T DE68913871 T DE 68913871T DE 68913871 D1 DE68913871 D1 DE 68913871D1
- Authority
- DE
- Germany
- Prior art keywords
- dielectric
- positive
- liquid crystal
- light valve
- surface orientation
- 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
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133719—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films with coupling agent molecules, e.g. silane
-
- 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
- G02F1/133734—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by obliquely evaporated films, e.g. Si or SiO2 films
-
- 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
- G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/168,061 US4917472A (en) | 1988-03-14 | 1988-03-14 | Light valves with positive dielectric anisotropy liquid crystal and highly tilted off-perpendicular surface alignment, and associated operating method |
PCT/US1989/000370 WO1989008862A1 (en) | 1988-03-14 | 1989-01-30 | Light valves with positive dielectric anisotropy liquid crystal and highly tilted off-perpendicular surface alignment, and associated operating method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68913871D1 true DE68913871D1 (de) | 1994-04-21 |
DE68913871T2 DE68913871T2 (de) | 1994-10-20 |
Family
ID=22609944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68913871T Expired - Fee Related DE68913871T2 (de) | 1988-03-14 | 1989-01-30 | Lichtventil mit positivem, dielektrischem anisotropem flüssigkristall und stark gegen die senkrechte geneigte oberflächenausrichtung und damit verbundenes verfahren. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4917472A (de) |
EP (1) | EP0357756B1 (de) |
JP (1) | JP2792700B2 (de) |
DE (1) | DE68913871T2 (de) |
IL (1) | IL89223A (de) |
WO (1) | WO1989008862A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2764997B2 (ja) * | 1989-02-08 | 1998-06-11 | ヤマハ株式会社 | 液晶表示装置 |
JP2636035B2 (ja) * | 1989-02-27 | 1997-07-30 | 松下電器産業株式会社 | 強誘電性液晶組成物および強誘電性液晶表示装置 |
JP2990297B2 (ja) * | 1990-09-10 | 1999-12-13 | セイコーインスツルメンツ株式会社 | 液晶ライトバルブ装置及び液晶ライトバルブの駆動方法 |
US5394254A (en) * | 1991-11-01 | 1995-02-28 | Greyhawk Systems, Inc. | Light valve projector assembly including fiber optic plate with fiber bundle perimeter less than twice as reflective as elsewhere |
US5384650A (en) * | 1992-04-06 | 1995-01-24 | Hughes Aircraft Company | Light valve with twisted perpendicular liquid crystal with a negative dielectric anisotropy |
EP0600541B1 (de) * | 1992-11-25 | 1997-07-30 | Victor Company Of Japan, Limited | Räumlicher Lichtmodulator |
US5835074A (en) * | 1992-12-30 | 1998-11-10 | Advanced Displays Corporation | Method to change the viewing angle in a fixed liquid crystal display by changing the pre-tilt angle in the liquid crystal layer with a bias voltage |
GB2274922B (en) * | 1993-01-21 | 1996-10-23 | Sharp Kk | Liquid crystal projector |
JPH09506445A (ja) * | 1994-10-06 | 1997-06-24 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 表示装置 |
US5943104A (en) * | 1997-03-25 | 1999-08-24 | University Technology Corporation | Liquid crystal eyewear with two identical guest host subcells and tilted homeotropic alignment |
JPH10319371A (ja) * | 1997-05-22 | 1998-12-04 | Hitachi Ltd | アクティブマトリクス型液晶表示装置とその配向膜形成方法および配向膜の配向検証方法 |
US6005692A (en) * | 1997-05-29 | 1999-12-21 | Stahl; Thomas D. | Light-emitting diode constructions |
CN1977031B (zh) * | 2004-07-02 | 2012-04-18 | 默克专利股份有限公司 | 液晶介质 |
JPWO2010137386A1 (ja) * | 2009-05-27 | 2012-11-12 | シャープ株式会社 | 液晶表示装置 |
US8735858B2 (en) * | 2010-04-30 | 2014-05-27 | Hewlett-Packard Development Company, L.P. | Ionic devices with interacting species |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3834792A (en) * | 1972-04-10 | 1974-09-10 | Ncr | Alignment film for a liquid crystal display cell |
US3964158A (en) * | 1973-08-07 | 1976-06-22 | Janning John L | Method of making a liquid crystal display cell |
US4030992A (en) * | 1974-03-26 | 1977-06-21 | Xerox Corporation | Process for preparation of a solid phase dispersion of photoconductive materials |
JPS542580B2 (de) * | 1974-07-01 | 1979-02-09 | ||
US4022934A (en) * | 1975-04-21 | 1977-05-10 | Hughes Aircraft Company | Means for inducing perpendicular alignment of a nematic liquid crystal on a coated substrate |
US4030997A (en) * | 1975-04-21 | 1977-06-21 | Hughes Aircraft Company | Method of aligning liquid crystals |
US3967883A (en) * | 1975-05-22 | 1976-07-06 | Rca Corporation | Liquid crystal devices of the surface aligned type |
FR2373076A1 (fr) * | 1976-12-03 | 1978-06-30 | Thomson Csf | Cellule a cristal liquide |
US4114991A (en) * | 1976-12-22 | 1978-09-19 | Hughes Aircraft Company | Visible-to-infrared converter light valve |
DE2722900C3 (de) * | 1977-05-20 | 1979-11-08 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Herstellung einer eine Flüssigkristallschicht homöotrop orientierenden, Siliciumoxid enthaltenden Schicht |
DE2722871A1 (de) * | 1977-05-20 | 1978-11-23 | Siemens Ag | Fluessigkristallzelle mit einer isolationsschicht auf siliciumoxidbasis |
GB2007865A (en) * | 1977-11-07 | 1979-05-23 | Secr Defence | Liquid display devices |
DE2815481A1 (de) * | 1978-04-10 | 1979-10-25 | Braun Ag | Verfahren zur herstellung einer mikrostruktur in substratplatten fuer feldeffekt-fluessigkristallanzeigen, sowie nach diesem verfahren hergestellte substratplatte |
EP0045104B1 (de) * | 1980-07-28 | 1985-04-10 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Homöotrop nematisches Display mit internem Reflektor |
US4464134A (en) * | 1981-12-10 | 1984-08-07 | Hughes Aircraft Company | Process for inducing perpendicular alignment of liquid crystals |
DE3379078D1 (en) * | 1982-10-20 | 1989-03-02 | Secr Defence Brit | Liquid crystal mirror displays |
FR2573548B1 (fr) * | 1984-11-22 | 1986-12-26 | Commissariat Energie Atomique | Dispositif pour le depot d'une couche d'orientation d'une cellule a cristal liquide |
DE3688726T2 (de) * | 1985-10-14 | 1993-10-28 | Hitachi Chemical Co Ltd | Schicht zur Steuerung der Flüssigkristallorientierung und ihre Anwendung in einer Flüssigkristallvorrichtung. |
JPS6289929A (ja) * | 1985-10-16 | 1987-04-24 | Canon Inc | 光記録法及びその装置 |
US4787713A (en) * | 1987-05-22 | 1988-11-29 | The Mead Corporation | Transparent laser-addressed liquid crystal light modulator cell |
-
1988
- 1988-03-14 US US07/168,061 patent/US4917472A/en not_active Expired - Fee Related
-
1989
- 1989-01-30 JP JP1503287A patent/JP2792700B2/ja not_active Expired - Fee Related
- 1989-01-30 DE DE68913871T patent/DE68913871T2/de not_active Expired - Fee Related
- 1989-01-30 EP EP89903567A patent/EP0357756B1/de not_active Expired - Lifetime
- 1989-01-30 WO PCT/US1989/000370 patent/WO1989008862A1/en active IP Right Grant
- 1989-02-08 IL IL89223A patent/IL89223A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1989008862A1 (en) | 1989-09-21 |
IL89223A0 (en) | 1989-09-10 |
EP0357756B1 (de) | 1994-03-16 |
JP2792700B2 (ja) | 1998-09-03 |
EP0357756A1 (de) | 1990-03-14 |
IL89223A (en) | 1992-07-15 |
DE68913871T2 (de) | 1994-10-20 |
JPH02503482A (ja) | 1990-10-18 |
US4917472A (en) | 1990-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HUGHES ELECTRONICS CORP., EL SEGUNDO, CALIF., US |
|
8339 | Ceased/non-payment of the annual fee |