ATE252737T1 - Bistabile nematische flüssigkristallanzeige mit graustufenfähigkeit - Google Patents
Bistabile nematische flüssigkristallanzeige mit graustufenfähigkeitInfo
- Publication number
- ATE252737T1 ATE252737T1 AT96402369T AT96402369T ATE252737T1 AT E252737 T1 ATE252737 T1 AT E252737T1 AT 96402369 T AT96402369 T AT 96402369T AT 96402369 T AT96402369 T AT 96402369T AT E252737 T1 ATE252737 T1 AT E252737T1
- Authority
- AT
- Austria
- Prior art keywords
- liquid crystal
- crystal display
- nematic liquid
- bistable nematic
- grayscale capability
- Prior art date
Links
- 239000004988 Nematic liquid crystal Substances 0.000 title 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000005684 electric field Effects 0.000 abstract 1
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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1391—Bistable or multi-stable liquid crystal cells
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9513324A FR2741165B1 (fr) | 1995-11-10 | 1995-11-10 | Dispositif d'affichage bistable a base de cristaux liquides nematiques autorisant des teintes de gris |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE252737T1 true ATE252737T1 (de) | 2003-11-15 |
Family
ID=9484436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT96402369T ATE252737T1 (de) | 1995-11-10 | 1996-11-07 | Bistabile nematische flüssigkristallanzeige mit graustufenfähigkeit |
Country Status (6)
Country | Link |
---|---|
US (1) | US5995173A (de) |
EP (1) | EP0773468B1 (de) |
JP (1) | JPH09274205A (de) |
AT (1) | ATE252737T1 (de) |
DE (1) | DE69630431T2 (de) |
FR (1) | FR2741165B1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7193625B2 (en) | 1999-04-30 | 2007-03-20 | E Ink Corporation | Methods for driving electro-optic displays, and apparatus for use therein |
FR2740894B1 (fr) * | 1995-11-08 | 1998-01-23 | Centre Nat Rech Scient | Dispositif d'affichage perfectionne a base de cristaux liquides et a effet bistable |
FR2808890B1 (fr) * | 2000-05-12 | 2002-08-09 | Nemoptic | Dispositif bistable d'affichage en reflexion avec contraste inverse |
FR2808891B1 (fr) * | 2000-05-12 | 2003-07-25 | Nemoptic | Dispositif bistable d'affichage en reflexion |
US7224417B2 (en) | 2001-05-04 | 2007-05-29 | Nemoptic | Nematic liquid crystal bistable display device with grey level |
FR2824400B1 (fr) * | 2001-05-04 | 2003-12-19 | Nemoptic | Dispositif d'affichage bistable a niveau de gris a base de cristaux liquides |
GB0114998D0 (en) * | 2001-06-20 | 2001-08-08 | Secr Defence | Liquid crystal device |
JP3630129B2 (ja) * | 2001-09-28 | 2005-03-16 | ソニー株式会社 | 液晶表示装置 |
FR2851568B1 (fr) * | 2003-02-26 | 2007-05-25 | Nemoptic | Melanges cristaux liquides nematiques pour dispositifs d'affichage bistables |
US7315345B2 (en) * | 2003-06-27 | 2008-01-01 | Kent State University | Electro-convective diffractive device |
FR2863061B1 (fr) * | 2003-11-28 | 2006-02-24 | Nemoptic | Dispositif d'affichage a ecran de type nematique optimisant le blanc et procede de definition de ce dispositif |
US7551252B2 (en) * | 2005-11-29 | 2009-06-23 | The Hong Kong University Of Science And Technology | Bistable twisted nematic liquid crystal display based on dual frequency operation |
JP5386365B2 (ja) | 2007-05-17 | 2014-01-15 | Dic株式会社 | バイステイブルネマチック液晶表示素子 |
TWI429733B (zh) * | 2007-05-17 | 2014-03-11 | Dainippon Ink & Chemicals | 向列液晶組合物及雙穩態向列液晶顯示器 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4239345A (en) * | 1979-04-16 | 1980-12-16 | Bell Telephone Laboratories, Incorporated | Bistable liquid crystal twist cell |
US4333708A (en) * | 1979-11-30 | 1982-06-08 | Bell Telephone Laboratories, Incorporated | Mechanically multistable liquid crystal cell |
US4400060A (en) * | 1981-04-08 | 1983-08-23 | Bell Telephone Laboratories, Incorporated | Cell isolation in bistable nematic liquid crystal cells |
FR2526177A1 (fr) * | 1982-04-28 | 1983-11-04 | Centre Nat Rech Scient | Perfectionnements aux cellules optiques utilisant des cristaux liquides |
US4472026A (en) * | 1982-05-06 | 1984-09-18 | At&T Bell Laboratories | Electrothermal matrix addressable liquid crystal display |
US4601544A (en) * | 1982-10-15 | 1986-07-22 | At&T Bell Laboratories | Nematic liquid crystal storage display device |
US4601542A (en) * | 1982-10-15 | 1986-07-22 | At&T Bell Laboratories | Nematic liquid crystal storage display device |
FR2587506B1 (fr) * | 1985-06-18 | 1988-07-15 | Centre Nat Rech Scient | Perfectionnements aux dispositifs optiques a cristaux liquides |
US4776674A (en) * | 1986-06-25 | 1988-10-11 | American Telephone And Telegraph Company, At&T Bell Laboratories | Liquid crystal device with chemically-induced high-tilt alignment coating |
FR2666908B2 (fr) | 1990-01-30 | 1992-12-18 | Centre Nat Rech Scient | Perfectionnements aux dispositifs optiques bistables a cristaux liquides et commande electrochirale. |
US5040876A (en) * | 1990-03-07 | 1991-08-20 | Bell Communications Research, Inc. | Liquid crystal light modulators with asymmetrical interfaces |
FR2666923A2 (fr) * | 1990-06-22 | 1992-03-20 | Centre Nat Rech Scient | Perfectionnements aux afficheurs a cristal liquide nematique, a bistabilite de surface, commandes par effet flexoelectrique. |
US5332429A (en) * | 1991-05-31 | 1994-07-26 | Minnesota Mining And Manufacturing Company | Method for treating fluoroaluminosilicate glass |
-
1995
- 1995-11-10 FR FR9513324A patent/FR2741165B1/fr not_active Expired - Fee Related
-
1996
- 1996-11-07 DE DE69630431T patent/DE69630431T2/de not_active Expired - Fee Related
- 1996-11-07 EP EP96402369A patent/EP0773468B1/de not_active Expired - Lifetime
- 1996-11-07 AT AT96402369T patent/ATE252737T1/de not_active IP Right Cessation
- 1996-11-08 US US08/746,384 patent/US5995173A/en not_active Expired - Fee Related
- 1996-11-11 JP JP8298985A patent/JPH09274205A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US5995173A (en) | 1999-11-30 |
DE69630431T2 (de) | 2004-05-13 |
FR2741165A1 (fr) | 1997-05-16 |
JPH09274205A (ja) | 1997-10-21 |
FR2741165B1 (fr) | 1998-01-30 |
EP0773468A1 (de) | 1997-05-14 |
DE69630431D1 (de) | 2003-11-27 |
EP0773468B1 (de) | 2003-10-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |