DE69503802T2 - Flüssigkristallanzeigegerät unter verwendung doppelbrechender filme - Google Patents
Flüssigkristallanzeigegerät unter verwendung doppelbrechender filmeInfo
- Publication number
- DE69503802T2 DE69503802T2 DE69503802T DE69503802T DE69503802T2 DE 69503802 T2 DE69503802 T2 DE 69503802T2 DE 69503802 T DE69503802 T DE 69503802T DE 69503802 T DE69503802 T DE 69503802T DE 69503802 T2 DE69503802 T2 DE 69503802T2
- Authority
- DE
- Germany
- Prior art keywords
- liquid crystal
- display unit
- crystal display
- double breaking
- films
- 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 - Lifetime
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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- 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
- G02F1/1396—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 the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
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)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9413623A FR2726919B1 (fr) | 1994-11-14 | 1994-11-14 | Dispositif d'affichage a cristal liquide utilisant des films birefringents |
PCT/FR1995/001493 WO1996015473A1 (fr) | 1994-11-14 | 1995-11-14 | Dispositif d'affichage a cristal liquide utilisant des films birefringents |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69503802D1 DE69503802D1 (de) | 1998-09-03 |
DE69503802T2 true DE69503802T2 (de) | 1998-12-10 |
Family
ID=9468781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69503802T Expired - Lifetime DE69503802T2 (de) | 1994-11-14 | 1995-11-14 | Flüssigkristallanzeigegerät unter verwendung doppelbrechender filme |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0792474B1 (de) |
JP (1) | JPH10508707A (de) |
KR (1) | KR100357359B1 (de) |
DE (1) | DE69503802T2 (de) |
FR (1) | FR2726919B1 (de) |
WO (1) | WO1996015473A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6292242B1 (en) * | 1993-12-15 | 2001-09-18 | Ois Optical Imaging Systems, Inc. | Normally white twisted nematic LCD with positive uniaxial and negative biaxial retarders |
US5657140A (en) * | 1993-12-15 | 1997-08-12 | Ois Optical Imaging Systems, Inc. | Normally white twisted nematic LCD with positive and negative retarders |
EP2098906A1 (de) | 1997-08-29 | 2009-09-09 | Sharp Kabushiki Kaisha | Flüssigkristall- Anzeigevorrichtung |
FR2777361B1 (fr) * | 1998-04-14 | 2003-06-20 | Sextant Avionique | Amelioration de l'angle de vue d'un ecran lcd par decroisement |
US6853413B2 (en) * | 2000-04-18 | 2005-02-08 | Honeywell International Inc. | Polarized display with wide-angle illumination |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0769537B2 (ja) * | 1988-07-04 | 1995-07-31 | スタンレー電気株式会社 | 異方性補償ねじれネマチック液晶表示装置 |
CA2006662A1 (en) * | 1988-12-27 | 1990-06-27 | Kimishige Nakamura | Optical film |
JP2772582B2 (ja) * | 1990-11-21 | 1998-07-02 | キヤノン株式会社 | 光学変調素子 |
JPH04258923A (ja) * | 1991-02-13 | 1992-09-14 | Toshiba Corp | 液晶表示素子 |
US5227903A (en) * | 1991-09-20 | 1993-07-13 | Casio Computer Co., Ltd. | Liquid crystal display device with at least one biaxial retardation film having nx >nz >ny |
US5440413A (en) * | 1991-09-30 | 1995-08-08 | Casio Computer Co., Ltd. | Liquid crystal display device with 2 adjacent biaxial retardation plates having Ny <Nz <Nx |
JP3375351B2 (ja) * | 1991-09-30 | 2003-02-10 | カシオ計算機株式会社 | 液晶表示装置 |
-
1994
- 1994-11-14 FR FR9413623A patent/FR2726919B1/fr not_active Expired - Fee Related
-
1995
- 1995-11-14 EP EP95940308A patent/EP0792474B1/de not_active Expired - Lifetime
- 1995-11-14 KR KR1019970703373A patent/KR100357359B1/ko not_active IP Right Cessation
- 1995-11-14 DE DE69503802T patent/DE69503802T2/de not_active Expired - Lifetime
- 1995-11-14 WO PCT/FR1995/001493 patent/WO1996015473A1/fr active IP Right Grant
- 1995-11-14 JP JP8515798A patent/JPH10508707A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0792474A1 (de) | 1997-09-03 |
FR2726919A1 (fr) | 1996-05-15 |
KR100357359B1 (ko) | 2003-03-06 |
DE69503802D1 (de) | 1998-09-03 |
JPH10508707A (ja) | 1998-08-25 |
FR2726919B1 (fr) | 1996-12-13 |
EP0792474B1 (de) | 1998-07-29 |
WO1996015473A1 (fr) | 1996-05-23 |
KR970707462A (ko) | 1997-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |