DE3062622D1 - Liquid crystal display device and subscriber set comprising such a device - Google Patents
Liquid crystal display device and subscriber set comprising such a deviceInfo
- Publication number
- DE3062622D1 DE3062622D1 DE8080401076T DE3062622T DE3062622D1 DE 3062622 D1 DE3062622 D1 DE 3062622D1 DE 8080401076 T DE8080401076 T DE 8080401076T DE 3062622 T DE3062622 T DE 3062622T DE 3062622 D1 DE3062622 D1 DE 3062622D1
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- crystal display
- display device
- subscriber set
- subscriber
- 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
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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7919426A FR2462755A1 (fr) | 1979-07-27 | 1979-07-27 | Dispositif de visualisation a cristal liquide, et terminal telephonique comportant un tel dispositif |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3062622D1 true DE3062622D1 (en) | 1983-05-11 |
Family
ID=9228374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8080401076T Expired DE3062622D1 (en) | 1979-07-27 | 1980-07-18 | Liquid crystal display device and subscriber set comprising such a device |
Country Status (6)
Country | Link |
---|---|
US (1) | US4390244A (de) |
EP (1) | EP0023447B1 (de) |
JP (1) | JPS5621184A (de) |
CA (1) | CA1178700A (de) |
DE (1) | DE3062622D1 (de) |
FR (1) | FR2462755A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4514045A (en) * | 1981-06-22 | 1985-04-30 | Minnesota Mining And Manufacturing Company | Helichromic-smectic liquid crystal compositions and display cells |
FR2512243A1 (fr) * | 1981-08-25 | 1983-03-04 | Thomson Csf | Dispositif de visualisation a effet thermo-electrique |
FR2523343A1 (fr) * | 1982-03-09 | 1983-09-16 | Thomson Csf | Ecran d'un dispositif de visualisation utilisant un effet mixte thermique et electrique |
US4595260A (en) * | 1982-05-28 | 1986-06-17 | Nec Corporation | Liquid crystal projection display with even temperature elevation |
JPS59127090A (ja) * | 1983-01-10 | 1984-07-21 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | マトリクスアドレス・スメクチツク型液晶表示装置 |
JPS62119521A (ja) * | 1985-11-19 | 1987-05-30 | Canon Inc | 光学変調装置 |
US4818078A (en) * | 1985-11-26 | 1989-04-04 | Canon Kabushiki Kaisha | Ferroelectric liquid crystal optical modulation device and driving method therefor for gray scale display |
US4824218A (en) * | 1986-04-09 | 1989-04-25 | Canon Kabushiki Kaisha | Optical modulation apparatus using ferroelectric liquid crystal and low-resistance portions of column electrodes |
JP2505757B2 (ja) * | 1986-07-23 | 1996-06-12 | キヤノン株式会社 | 光学変調素子の駆動法 |
US4859036A (en) * | 1987-05-15 | 1989-08-22 | Canon Kabushiki Kaisha | Device plate having conductive films selected to prevent pin-holes |
FR2621728B1 (fr) * | 1987-10-09 | 1990-01-05 | Thomson Csf | Systeme de visualisation d'images en demi-teintes sur un ecran matriciel |
JPH0360438U (de) * | 1989-10-12 | 1991-06-13 | ||
EP0521623B1 (de) * | 1991-06-10 | 1997-11-19 | Sharp Kabushiki Kaisha | Nichtflüchtige Speicheranordnung |
FR2682798B1 (fr) * | 1991-10-22 | 1994-01-21 | Sextant Avionique | Procede et dispositif d'optimisation des performances d'un ecran matriciel a cristaux liquides en fonction de l'angle d'observation. |
US5444651A (en) * | 1991-10-30 | 1995-08-22 | Sharp Kabushiki Kaisha | Non-volatile memory device |
FR2696258B1 (fr) * | 1992-09-25 | 1994-10-28 | Sextant Avionique | Dispositif de gestion d'un système d'interaction homme-machine. |
GB2313226A (en) * | 1996-05-17 | 1997-11-19 | Sharp Kk | Addressable matrix arrays |
JP3950327B2 (ja) * | 2001-11-30 | 2007-08-01 | 株式会社日立製作所 | 液晶表示素子の製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3401262A (en) * | 1965-06-29 | 1968-09-10 | Westinghouse Electric Corp | Radiation sensitive display system utilizing a cholesteric liquid crystalline phase material |
US3912366A (en) * | 1973-12-06 | 1975-10-14 | Ibm | Liquid crystal display assembly having polyimide layers |
FR2292253A1 (fr) * | 1974-11-21 | 1976-06-18 | Thomson Csf | Procede et dispositif utilisant un effet thermo-optique dans un cristal liquide pour la reproduction d'images en temps reel et sans memoire |
FR2389955B1 (de) * | 1977-05-05 | 1981-12-04 | Thomson Csf | |
DE2827471C2 (de) * | 1978-06-22 | 1982-09-02 | Siemens AG, 1000 Berlin und 8000 München | Flüssigkristallzelle mit einer induzierten cholesterischen Phase |
-
1979
- 1979-07-27 FR FR7919426A patent/FR2462755A1/fr active Granted
-
1980
- 1980-07-18 DE DE8080401076T patent/DE3062622D1/de not_active Expired
- 1980-07-18 EP EP80401076A patent/EP0023447B1/de not_active Expired
- 1980-07-23 US US06/171,408 patent/US4390244A/en not_active Expired - Lifetime
- 1980-07-25 JP JP10232880A patent/JPS5621184A/ja active Pending
- 1980-07-25 CA CA000357016A patent/CA1178700A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4390244A (en) | 1983-06-28 |
EP0023447A1 (de) | 1981-02-04 |
JPS5621184A (en) | 1981-02-27 |
CA1178700A (en) | 1984-11-27 |
EP0023447B1 (de) | 1983-04-06 |
FR2462755A1 (fr) | 1981-02-13 |
FR2462755B1 (de) | 1982-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |