FR2296198B1 - - Google Patents
Info
- Publication number
- FR2296198B1 FR2296198B1 FR7442766A FR7442766A FR2296198B1 FR 2296198 B1 FR2296198 B1 FR 2296198B1 FR 7442766 A FR7442766 A FR 7442766A FR 7442766 A FR7442766 A FR 7442766A FR 2296198 B1 FR2296198 B1 FR 2296198B1
- Authority
- FR
- France
- 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
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
- G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal Display Device Control (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7442766A FR2296198A1 (fr) | 1974-12-24 | 1974-12-24 | Procede thermique de commande de proprietes optiques d'un cristal liquide et dispositifs mettant en oeuvre ledit procede |
| GB50452/75A GB1531010A (en) | 1974-12-24 | 1975-12-09 | Thermal method for controlling the optical properties of a liquid crystal and to devices for carrying out said method |
| US05/643,144 US4031529A (en) | 1974-12-24 | 1975-12-22 | Thermal method for controlling the optical properties of a liquid crystal and devices for the application of said method |
| DE19752558176 DE2558176A1 (de) | 1974-12-24 | 1975-12-23 | Verfahren und vorrichtung zur steuerung der optischen eigenschaften von fluessigkristallen |
| JP50154658A JPS5189447A (US06486227-20021126-C00005.png) | 1974-12-24 | 1975-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7442766A FR2296198A1 (fr) | 1974-12-24 | 1974-12-24 | Procede thermique de commande de proprietes optiques d'un cristal liquide et dispositifs mettant en oeuvre ledit procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2296198A1 FR2296198A1 (fr) | 1976-07-23 |
| FR2296198B1 true FR2296198B1 (US06486227-20021126-C00005.png) | 1978-07-07 |
Family
ID=9146599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7442766A Granted FR2296198A1 (fr) | 1974-12-24 | 1974-12-24 | Procede thermique de commande de proprietes optiques d'un cristal liquide et dispositifs mettant en oeuvre ledit procede |
Country Status (5)
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4180722A (en) * | 1977-07-07 | 1979-12-25 | Bonnie Clewans | Liquid heating device |
| US4236150A (en) * | 1978-10-18 | 1980-11-25 | Minnesota Mining And Manufacturing Company | Liquid crystal display system |
| AU531191B2 (en) * | 1979-01-24 | 1983-08-11 | National Research Development Corp. | Liquid crystal colour display |
| FR2507802A1 (fr) * | 1981-06-10 | 1982-12-17 | Thomson Csf | Dispositif d'affichage a cristal liquide associant deux modes d'adressage |
| JPS5887535A (ja) * | 1981-11-20 | 1983-05-25 | Sony Corp | 液晶表示装置 |
| JPS58200290A (ja) * | 1982-05-18 | 1983-11-21 | セイコーエプソン株式会社 | 液晶熱書込みセルに於ける加熱方法 |
| US4848879A (en) * | 1982-10-09 | 1989-07-18 | Canon Kabushiki Kaisha | Light modulating device |
| GB2132374A (en) * | 1982-11-26 | 1984-07-04 | Standard Telephones Cables Ltd | A two-dimensional acousto-optic deflection arrangement |
| US4865426A (en) * | 1983-04-19 | 1989-09-12 | Canon Kabushiki Kaisha | Variable aberration imaging optical system |
| US4781441A (en) * | 1983-11-25 | 1988-11-01 | Canon Kabushiki Kaisha | Method of controlling orientation of liquid crystal, device used therein and liquid crystal device produced thereby |
| US4622635A (en) * | 1984-02-13 | 1986-11-11 | Automated Controls Inc. | Portable display and control terminal for wells |
| DE3425584A1 (de) * | 1984-07-11 | 1986-01-16 | Merck Patent Gmbh, 6100 Darmstadt | Optisches system mit einer fluessigkristallzelle, verfahren zu seinem betrieb und seine verwendung |
| GB2163564A (en) * | 1984-08-25 | 1986-02-26 | Stc Plc | Thermal image sensor |
| EP0205187B1 (en) * | 1985-06-14 | 1994-03-09 | Sel Semiconductor Energy Laboratory Co., Ltd. | Optical disc memory with liquid crystal |
| US5026145A (en) * | 1987-09-24 | 1991-06-25 | Asahi Kogaku Kogyo Kabushiki Kaisha | Exposure apparatus |
| US5268776A (en) * | 1988-03-18 | 1993-12-07 | Hitachi, Ltd. | System for partially erasing thermally written liquid crystal element |
| US4946263A (en) * | 1988-11-21 | 1990-08-07 | General Motors Corporation | Optical device with dielectric heating |
| US5040879A (en) * | 1989-03-03 | 1991-08-20 | Greyhawk Systems, Inc. | Variable density optical filter |
| WO1990010888A1 (en) * | 1989-03-03 | 1990-09-20 | Greyhawk Systems, Inc. | Variable density optical filter |
| US5140448A (en) * | 1990-10-24 | 1992-08-18 | Greyhawk Systems, Inc. | Apparatus for and method of operation of smectic liquid crystal light valve having scattering centers |
| NL9002808A (nl) * | 1990-12-19 | 1992-07-16 | Philips Nv | Inrichting ten behoeve van projectieweergave. |
| KR100241286B1 (ko) * | 1996-09-23 | 2000-02-01 | 구본준 | 액정표시소자 |
| US6061128A (en) * | 1997-09-04 | 2000-05-09 | Avocet Medical, Inc. | Verification device for optical clinical assay systems |
| US8294645B2 (en) * | 2008-03-12 | 2012-10-23 | Kent State University | Liquid crystal device and method thereof |
| KR101513440B1 (ko) * | 2008-12-01 | 2015-04-22 | 삼성디스플레이 주식회사 | 터치 스크린 표시 장치 및 그 제조 방법 |
| TWI407191B (zh) * | 2010-12-24 | 2013-09-01 | Ind Tech Res Inst | 膽固醇液晶顯示器及膽固醇液晶顯示器之顯示方法 |
| CN105759529B (zh) * | 2016-04-20 | 2018-12-07 | 深圳市国华光电科技有限公司 | 一种激光力学调控手性液晶高分子薄膜的方法及其应用 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650608A (en) * | 1969-12-23 | 1972-03-21 | Texas Instruments Inc | Method and apparatus for displaying coherent light images |
| US3711713A (en) * | 1971-08-05 | 1973-01-16 | Xerox Corp | Electrically controlled thermal imaging system using a cholesteric to nematic phase transition |
| GB1432382A (en) * | 1972-04-06 | 1976-04-14 | Matsushita Electric Ind Co Ltd | Method of driving a liquid crystal display device method of producing a drying filter |
| FR2182297A5 (US06486227-20021126-C00005.png) * | 1972-04-25 | 1973-12-07 | Thomson Csf | |
| US3796999A (en) * | 1972-10-19 | 1974-03-12 | Bell Telephone Labor Inc | Locally erasable thermo-optic smectic liquid crystal storage displays |
| JPS49110581A (US06486227-20021126-C00005.png) * | 1973-02-23 | 1974-10-21 | ||
| US3857629A (en) * | 1973-05-14 | 1974-12-31 | Ibm | Fast turn-off nematic liquid optical devices |
-
1974
- 1974-12-24 FR FR7442766A patent/FR2296198A1/fr active Granted
-
1975
- 1975-12-09 GB GB50452/75A patent/GB1531010A/en not_active Expired
- 1975-12-22 US US05/643,144 patent/US4031529A/en not_active Expired - Lifetime
- 1975-12-23 DE DE19752558176 patent/DE2558176A1/de not_active Withdrawn
- 1975-12-24 JP JP50154658A patent/JPS5189447A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4031529A (en) | 1977-06-21 |
| GB1531010A (en) | 1978-11-01 |
| DE2558176A1 (de) | 1976-07-08 |
| JPS5189447A (US06486227-20021126-C00005.png) | 1976-08-05 |
| FR2296198A1 (fr) | 1976-07-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |