DE69615788D1 - In Ruhestellung weisse Anzeigevorrichtung mit verdrillt nematischem Flüssigkristall und mit positiven und negativen Phasenverzögerern - Google Patents

In Ruhestellung weisse Anzeigevorrichtung mit verdrillt nematischem Flüssigkristall und mit positiven und negativen Phasenverzögerern

Info

Publication number
DE69615788D1
DE69615788D1 DE69615788T DE69615788T DE69615788D1 DE 69615788 D1 DE69615788 D1 DE 69615788D1 DE 69615788 T DE69615788 T DE 69615788T DE 69615788 T DE69615788 T DE 69615788T DE 69615788 D1 DE69615788 D1 DE 69615788D1
Authority
DE
Germany
Prior art keywords
positive
liquid crystal
negative
retarders
twisted nematic
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
Application number
DE69615788T
Other languages
English (en)
Other versions
DE69615788T2 (de
Inventor
Gang Xu
John A Vanderploeg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guardian Industries Corp
Original Assignee
OIS Optical Imaging Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by OIS Optical Imaging Systems Inc filed Critical OIS Optical Imaging Systems Inc
Application granted granted Critical
Publication of DE69615788D1 publication Critical patent/DE69615788D1/de
Publication of DE69615788T2 publication Critical patent/DE69615788T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
    • 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
    • G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
    • G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
    • 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
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/40—Materials having a particular birefringence, retardation
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/02—Number of plates being 2
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/04—Number of plates greater than or equal to 4
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/08—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with a particular optical axis orientation
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/13—Positive birefingence
    • 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
    • G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
    • G02F2413/14—Negative birefingence

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)
  • Liquid Crystal Substances (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Polarising Elements (AREA)
DE69615788T 1995-11-15 1996-11-08 In Ruhestellung weisse Anzeigevorrichtung mit verdrillt nematischem Flüssigkristall und mit positiven und negativen Phasenverzögerern Expired - Lifetime DE69615788T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/559,275 US5657140A (en) 1993-12-15 1995-11-15 Normally white twisted nematic LCD with positive and negative retarders

Publications (2)

Publication Number Publication Date
DE69615788D1 true DE69615788D1 (de) 2001-11-15
DE69615788T2 DE69615788T2 (de) 2002-05-29

Family

ID=24232970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615788T Expired - Lifetime DE69615788T2 (de) 1995-11-15 1996-11-08 In Ruhestellung weisse Anzeigevorrichtung mit verdrillt nematischem Flüssigkristall und mit positiven und negativen Phasenverzögerern

Country Status (6)

Country Link
US (3) US5657140A (de)
EP (1) EP0774682B1 (de)
JP (1) JP3660452B2 (de)
AT (1) ATE206825T1 (de)
CA (1) CA2188603C (de)
DE (1) DE69615788T2 (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
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
US5576861A (en) 1993-12-15 1996-11-19 Ois Optical Imaging Systems, Inc. Liquid crystal display having a retarder with 100-200nm retardation and having high contrast viewing zone centered in positive or negative vertical region
US5657140A (en) * 1993-12-15 1997-08-12 Ois Optical Imaging Systems, Inc. Normally white twisted nematic LCD with positive and negative retarders
US5907378A (en) * 1993-12-15 1999-05-25 Ois Optical Imaging Systems, Inc. Normally white twisted nematic liquid crystal display including retardation films for improving viewing characteristics
US5638200A (en) * 1995-02-03 1997-06-10 Ois Optical Imaging Systems, Inc. Liquid crystal display with tilted retardation film
US6183091B1 (en) 1995-04-07 2001-02-06 Colorlink, Inc. Color imaging systems and methods
US5822021A (en) * 1996-05-14 1998-10-13 Colorlink, Inc. Color shutter liquid crystal display system
US6252638B1 (en) 1995-05-23 2001-06-26 Colorlink, Inc. Color controllable illumination device, indicator lights, transmissive windows and color filters employing retarder stacks
US6707516B1 (en) 1995-05-23 2004-03-16 Colorlink, Inc. Single-panel field-sequential color display systems
US6882384B1 (en) * 1995-05-23 2005-04-19 Colorlink, Inc. Color filters and sequencers using color selective light modulators
US5999240A (en) 1995-05-23 1999-12-07 Colorlink, Inc. Optical retarder stack pair for transforming input light into polarization states having saturated color spectra
US6417892B1 (en) 1995-05-23 2002-07-09 Colorlink, Inc. Color filters, sequencers and displays using color selective light modulators
US5929946A (en) * 1995-05-23 1999-07-27 Colorlink, Inc. Retarder stack for preconditioning light for a modulator having modulation and isotropic states of polarization
US6273571B1 (en) 1995-05-23 2001-08-14 Colorlink, Inc. Display architectures using an electronically controlled optical retarder stack
US6049367A (en) * 1995-05-23 2000-04-11 Colorlink, Inc. Polarization manipulating device modulator with retarder stack which preconditions light for modulation and isotropic states
JPH0968706A (ja) * 1995-09-01 1997-03-11 Ricoh Co Ltd 液晶表示素子
JP3399760B2 (ja) * 1996-04-19 2003-04-21 シャープ株式会社 液晶表示装置
US6356322B1 (en) * 1996-09-30 2002-03-12 Fuji Photo Film Co., Ltd. Liquid crystal display system with improved contrast and less dependence on visual angle
US6642981B1 (en) * 1996-09-30 2003-11-04 Fujitsu Display Technologies Corporation Liquid crystal display device operating in a vertically aligned mode including at least one retardation film
TW515925B (en) * 1996-12-25 2003-01-01 Sharp Kk Liquid crystal display device
GB2321529A (en) * 1997-01-24 1998-07-29 Sharp Kk Broadband cholesteric optical device
JP3399773B2 (ja) * 1997-03-05 2003-04-21 シャープ株式会社 液晶表示装置
JP3452755B2 (ja) * 1997-04-07 2003-09-29 シャープ株式会社 液晶表示装置
US5895106A (en) * 1997-06-13 1999-04-20 Ois Optical Imaging Systems, Inc. NW twisted nematic LCD with negative tilted retarders on one side of liquid crystal cell
US6567143B1 (en) 1997-06-05 2003-05-20 Guardian Industries Corp. NW twisted nematic LCD with negative and tilted retarders on each side of liquid crystal cell to improve vertical contrast ratios
TW476856B (en) * 1997-06-27 2002-02-21 Toshiba Corp Liquid crystal display device
EP2284602A1 (de) * 1997-08-29 2011-02-16 Sharp Kabushiki Kaisha Flüssigkristall- Anzeigevorrichtung
US5940155A (en) * 1997-09-04 1999-08-17 International Business Machines Corporation Liquid crystal displays containing tilted optical axis compensation films having a negative birefringence
JP3204182B2 (ja) * 1997-10-24 2001-09-04 日本電気株式会社 横電界方式の液晶表示装置
GB2335755A (en) * 1998-03-26 1999-09-29 Sharp Kk Liquid crystal device
FR2777361B1 (fr) * 1998-04-14 2003-06-20 Sextant Avionique Amelioration de l'angle de vue d'un ecran lcd par decroisement
FR2778000B1 (fr) * 1998-04-24 2001-11-16 Thomson Csf Dispositif de visualisation a cristal liquide a compensateur de birefringence
GB9811579D0 (en) * 1998-05-30 1998-07-29 Sharp Kk Surface mode liquid crystal device
KR100306545B1 (ko) 1998-06-29 2001-11-22 마찌다 가쯔히꼬 액정 표시 장치
JP3114723B2 (ja) * 1998-08-03 2000-12-04 日本電気株式会社 液晶表示装置およびその製造方法
GB2342179A (en) * 1998-09-22 2000-04-05 Sharp Kk Transflective Liquid Crystal Displays
US6181394B1 (en) 1999-01-22 2001-01-30 White Electronic Designs, Corp. Super bright low reflection liquid crystal display
US6933991B2 (en) * 1999-01-22 2005-08-23 White Electronic Designs Corp. Super bright low reflectance liquid crystal display
JP2001201740A (ja) * 2000-01-21 2001-07-27 Citizen Watch Co Ltd 反射型液晶表示装置
JP2001249223A (ja) 2000-03-03 2001-09-14 Fuji Photo Film Co Ltd 光学補償シート、偏光板および液晶表示装置
JP2002148592A (ja) * 2000-08-31 2002-05-22 Sumitomo Chem Co Ltd 液晶表示装置
JP5131505B2 (ja) * 2001-04-27 2013-01-30 Ｎｌｔテクノロジー株式会社 液晶表示装置
US20040021815A1 (en) * 2002-08-02 2004-02-05 Eastman Kodak Company Liquid crystal cell with compensator layer and process
EP1387210A1 (de) * 2002-08-02 2004-02-04 Eastman Kodak Company Kompensatorschicht und Flüssigkristallanzeige mit einer solchen Schicht
KR100872562B1 (ko) * 2002-12-31 2008-12-08 하이디스 테크놀로지 주식회사 액정표시장치
JP4308553B2 (ja) * 2003-03-07 2009-08-05 株式会社 日立ディスプレイズ 液晶表示装置
TWI398705B (zh) * 2005-11-04 2013-06-11 Semiconductor Energy Lab 顯示裝置
WO2007063782A1 (en) 2005-11-30 2007-06-07 Semiconductor Energy Laboratory Co., Ltd. Display device
WO2007072766A1 (en) * 2005-12-22 2007-06-28 Semiconductor Energy Laboratory Co., Ltd. Display device
EP1804115A1 (de) * 2005-12-28 2007-07-04 Semiconductor Energy Laboratory Co., Ltd. Anzeigevorrichtung
EP1804114B1 (de) * 2005-12-28 2014-03-05 Semiconductor Energy Laboratory Co., Ltd. Anzeigevorrichtung
EP1826604B1 (de) * 2006-01-31 2015-12-23 Semiconductor Energy Laboratory Co., Ltd. Anzeigevorrichtung
EP1832915B1 (de) * 2006-01-31 2012-04-18 Semiconductor Energy Laboratory Co., Ltd. Anzeigevorrichtung mit verbessertem Kontrast
WO2007088954A1 (en) * 2006-02-02 2007-08-09 Semiconductor Energy Laboratory Co., Ltd. Display device
EP1816508A1 (de) * 2006-02-02 2007-08-08 Semiconductor Energy Laboratory Co., Ltd. Anzeigevorrichtung
EP1826606B1 (de) * 2006-02-24 2012-12-26 Semiconductor Energy Laboratory Co., Ltd. Anzeigevorrichtung
EP1826605A1 (de) * 2006-02-24 2007-08-29 Semiconductor Energy Laboratory Co., Ltd. Anzeigevorrichtung
TWI406899B (zh) * 2006-09-05 2013-09-01 Tosoh Corp Optical compensation film and phase difference film
US8294836B2 (en) * 2007-12-06 2012-10-23 Seiko Epson Corporation Liquid crystal display device and projector
JP5134472B2 (ja) * 2008-08-28 2013-01-30 富士フイルム株式会社 液晶表示装置
KR101253048B1 (ko) * 2008-12-31 2013-04-12 엘지디스플레이 주식회사 광시야각 액정표시소자
JP5546766B2 (ja) * 2009-01-07 2014-07-09 日東電工株式会社 液晶パネルおよび液晶表示装置
JP2013235272A (ja) * 2012-05-10 2013-11-21 Samsung Electronics Co Ltd 多層型光学フィルム、その製造方法及び表示装置
KR101542618B1 (ko) * 2012-12-14 2015-08-06 제일모직주식회사 편광판 및 이를 포함하는 광학 표시 장치
KR101821732B1 (ko) * 2013-12-02 2018-01-25 삼성전자주식회사 광학 필름, 그 제조 방법 및 표시 장치

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2595156B1 (fr) * 1986-02-28 1988-04-29 Commissariat Energie Atomique Cellule a cristal liquide utilisant l'effet de birefringence controlee electriquement et procedes de fabrication de la cellule et d'un milieu uniaxe d'anisotropie optique negative, utilisable dans celle-ci
US5189538A (en) * 1988-11-04 1993-02-23 Fuji Photo Film Co., Ltd. Liquid crystal display having positive and negative birefringent compensator films
JP2675158B2 (ja) * 1988-12-07 1997-11-12 シャープ株式会社 液晶表示装置
EP0425685B1 (de) * 1989-03-28 1995-07-12 Asahi Glass Company Ltd. Flüssigkristallanzeigevorrichtung
US5071997A (en) * 1989-07-20 1991-12-10 University Of Akron Polyimides comprising substituted benzidines
US5138474A (en) * 1989-10-27 1992-08-11 Fuji Photo Film Co., Ltd. Liquid crystal display with compensator having two films with positive and negative intrinsic birefringence, respectively
US5161041A (en) 1990-04-26 1992-11-03 Ois Optical Imaging Systems, Inc. Lighting assembly for a backlit electronic display including an integral image splitting and collimating means
JPH0456802A (ja) * 1990-06-22 1992-02-24 Nitto Denko Corp 積層位相差板及び楕円偏光板並びに液晶パネル及び液晶表示装置
US5184236A (en) 1990-08-10 1993-02-02 Casio Computer Co., Ltd. Twisted nematic liquid crystal display device with retardation plates having phase axis direction within 15° of alignment direction
JPH0497322A (ja) * 1990-08-14 1992-03-30 Fuji Photo Film Co Ltd 液晶表示装置
JPH04138424A (ja) * 1990-09-28 1992-05-12 Sharp Corp 液晶表示装置
JPH04140722A (ja) * 1990-10-01 1992-05-14 Sharp Corp 液晶表示装置
JPH04139402A (ja) * 1990-10-01 1992-05-13 Stanley Electric Co Ltd 光学補償素子およびその製造方法
JPH05257014A (ja) * 1990-11-21 1993-10-08 Fuji Photo Film Co Ltd 位相差フィルム及びそれを用いた液晶表示装置
JPH04194820A (ja) * 1990-11-22 1992-07-14 Sharp Corp 液晶表示装置
US5138747A (en) 1991-04-08 1992-08-18 Hans Oetiker Clamp structure with improved spring action
JP3203490B2 (ja) * 1991-04-11 2001-08-27 住友化学工業株式会社 位相差板および液晶表示装置
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
US5196953A (en) 1991-11-01 1993-03-23 Rockwell International Corporation Compensator for liquid crystal display, having two types of layers with different refractive indices alternating
CA2081626A1 (en) * 1991-11-08 1993-05-09 Taiichi Sakaya Phase retarder
US5430565A (en) * 1992-06-02 1995-07-04 Fuji Photo Film Co., Ltd. Uniaxially stretched negative birefringent film and liquid crystal display having the same
TW229279B (de) * 1992-06-18 1994-09-01 Casio Computer Co Ltd
JPH06130227A (ja) * 1992-10-20 1994-05-13 Fuji Photo Film Co Ltd 位相差板及び液晶表示装置
US5344916A (en) * 1993-04-21 1994-09-06 The University Of Akron Negative birefringent polyimide films
US5550661A (en) * 1993-11-15 1996-08-27 Alliedsignal Inc. Optical phase retardation film
US5657140A (en) * 1993-12-15 1997-08-12 Ois Optical Imaging Systems, Inc. Normally white twisted nematic LCD with positive and negative retarders
US5594568A (en) * 1993-12-15 1997-01-14 Ois Optical Imaging Systems, Inc. LCD with a pair of retardation films on one side of normally white liquid crystal layer
US5570214A (en) * 1993-12-15 1996-10-29 Ois Optical Imaging Systems, Inc. Normally white twisted nematic LCD with retardation films on opposite sides of liquid crystal material for improved viewing zone
US5576861A (en) * 1993-12-15 1996-11-19 Ois Optical Imaging Systems, Inc. Liquid crystal display having a retarder with 100-200nm retardation and having high contrast viewing zone centered in positive or negative vertical region
US5504603A (en) * 1994-04-04 1996-04-02 Rockwell International Corporation Optical compensator for improved gray scale performance in liquid crystal display
FR2726919B1 (fr) * 1994-11-14 1996-12-13 Thomson Lcd Dispositif d'affichage a cristal liquide utilisant des films birefringents

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JP3660452B2 (ja) 2005-06-15
CA2188603A1 (en) 1997-05-16
US6023317A (en) 2000-02-08
US5739881A (en) 1998-04-14
EP0774682A3 (de) 1998-05-06
JPH09171177A (ja) 1997-06-30
DE69615788T2 (de) 2002-05-29
ATE206825T1 (de) 2001-10-15
EP0774682A2 (de) 1997-05-21
EP0774682B1 (de) 2001-10-10
CA2188603C (en) 2005-05-24
US5657140A (en) 1997-08-12

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