TW229279B - - Google Patents

Info

Publication number
TW229279B
TW229279B TW082104711A TW82104711A TW229279B TW 229279 B TW229279 B TW 229279B TW 082104711 A TW082104711 A TW 082104711A TW 82104711 A TW82104711 A TW 82104711A TW 229279 B TW229279 B TW 229279B
Authority
TW
Taiwan
Application number
TW082104711A
Original Assignee
Casio Computer Co Ltd
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
Priority claimed from JP18288092A external-priority patent/JP3309283B2/ja
Priority claimed from JP4182879A external-priority patent/JPH063661A/ja
Priority claimed from JP4184758A external-priority patent/JPH063663A/ja
Priority claimed from JP20319992A external-priority patent/JP3237216B2/ja
Priority claimed from JP20613792A external-priority patent/JP3182895B2/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Application granted granted Critical
Publication of TW229279B publication Critical patent/TW229279B/zh

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
    • 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
    • G02F1/133636—Birefringent elements, e.g. for optical compensation with twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers
    • 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)
  • Spectroscopy & Molecular Physics (AREA)
  • Liquid Crystal (AREA)
TW082104711A 1992-06-18 1993-06-14 TW229279B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP18288092A JP3309283B2 (ja) 1992-06-18 1992-06-18 液晶表示装置
JP4182879A JPH063661A (ja) 1992-06-18 1992-06-18 液晶表示装置
JP4184758A JPH063663A (ja) 1992-06-19 1992-06-19 液晶表示装置
JP20319992A JP3237216B2 (ja) 1992-07-08 1992-07-08 液晶表示装置
JP20613792A JP3182895B2 (ja) 1992-07-10 1992-07-10 液晶表示装置

Publications (1)

Publication Number Publication Date
TW229279B true TW229279B (zh) 1994-09-01

Family

ID=27528837

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082104711A TW229279B (zh) 1992-06-18 1993-06-14

Country Status (5)

Country Link
US (1) US5548426A (zh)
EP (1) EP0576931B1 (zh)
KR (1) KR0181980B1 (zh)
DE (1) DE69328051T2 (zh)
TW (1) TW229279B (zh)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3041169B2 (ja) * 1993-09-14 2000-05-15 シャープ株式会社 液晶表示装置
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
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
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
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
US5504603A (en) * 1994-04-04 1996-04-02 Rockwell International Corporation Optical compensator for improved gray scale performance in liquid crystal display
US5986734A (en) 1994-04-04 1999-11-16 Rockwell International Corporation Organic polymer O-plate compensator for improved gray scale performance in twisted nematic liquid crystal displays
US5619352A (en) * 1994-04-04 1997-04-08 Rockwell International Corporation LCD splay/twist compensator having varying tilt and /or azimuthal angles for improved gray scale performance
EP0725942B1 (en) * 1994-08-23 2003-07-16 Koninklijke Philips Electronics N.V. Liquid crystal display device and retardation foil
WO1996006380A2 (en) * 1994-08-23 1996-02-29 Philips Electronics N.V. Liquid crystal display device and retardation foil
WO1996010768A1 (en) * 1994-09-30 1996-04-11 Rockwell International Corporation Splay/twist compensator for improved gray scale performance in twisted nematic liquid crystal displays
US5557434A (en) * 1994-09-30 1996-09-17 Rockwell International Optical compensator including an o-plate for super-twist nematic liquid crystal display
WO1996010770A1 (en) * 1994-09-30 1996-04-11 Rockwell International Corporation Organic polymer o-plate compensator for improved gray scale performance in twisted nematic liquid crystal displays
US5737047A (en) * 1995-03-27 1998-04-07 Casio Computer Co., Ltd. Color liquid crystal display device with optical axes of retardation polarization plates set in an opposite direction of twist direction of LC molecules
GB2318878A (en) 1996-10-31 1998-05-06 Sharp Kk Reflective liquid crystal device
JP3339334B2 (ja) 1996-12-05 2002-10-28 松下電器産業株式会社 反射型液晶表示素子
US5926241A (en) * 1997-02-24 1999-07-20 Rockwell International Corporation Photo-patterned compensator with thin film having optically birefringent and isotropic regions and method of manufacturing for a liquid crystal display
KR100223601B1 (ko) 1997-05-29 1999-10-15 윤종용 액정 표시 장치
US6141070A (en) * 1997-06-13 2000-10-31 Citizen Watch Co., Ltd. Normally black liquid crystal display with twisted compensator and . .DELTAnd of 1500-1800 nm
JPH1114980A (ja) 1997-06-19 1999-01-22 Stanley Electric Co Ltd 液晶表示素子
JP3210274B2 (ja) * 1997-08-25 2001-09-17 松下電器産業株式会社 反射型液晶表示素子
JP2000098385A (ja) * 1998-09-25 2000-04-07 Alps Electric Co Ltd 反射型液晶表示装置
JP3596756B2 (ja) 1999-08-06 2004-12-02 シャープ株式会社 液晶表示装置
US6181400B1 (en) * 1999-11-19 2001-01-30 International Business Machines Corporation Discotic-type twist-film compensated single-domain or two-domain twisted nematic liquid crystal displays
JP2002182036A (ja) * 2000-04-06 2002-06-26 Fujitsu Ltd 視角補償フィルム及び液晶表示装置
EP1368697B1 (en) * 2001-03-13 2012-10-24 Merck Patent GmbH Combination of optical films comprising a twisted a-plate and a polarizer
EP1420275B1 (en) * 2001-08-24 2008-10-08 Asahi Glass Company, Limited Isolator and optical attenuator
US7715099B2 (en) * 2006-12-12 2010-05-11 Northrop Grumman Space & Mission Systems Corporation Optical birefringence coronagraph

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443065A (en) * 1980-12-09 1984-04-17 Sharp Kabushiki Kaisha Interference color compensation double layered twisted nematic display
JPS62180328A (ja) * 1986-02-05 1987-08-07 Konishiroku Photo Ind Co Ltd 透明導電性フイルム
KR960007791B1 (ko) * 1987-12-10 1996-06-12 세이꼬 엡슨 가부시끼가이샤 전기 광학 소자
JPH01206318A (ja) * 1988-02-03 1989-08-18 Matsushita Electric Ind Co Ltd 液晶表示装置
JP2675158B2 (ja) * 1988-12-07 1997-11-12 シャープ株式会社 液晶表示装置
JPH02214815A (ja) * 1989-02-16 1990-08-27 Seiko Epson Corp 液晶電気光学素子
DE69008875T2 (de) * 1989-01-19 1994-09-01 Seiko Epson Corp Elektrooptische Flüssigkristall-Anzeigevorrichtung.
EP0380338B1 (en) * 1989-01-26 1995-04-05 Nippon Oil Co., Ltd. Compensator for liquid crystal display
DE3925382A1 (de) * 1989-06-14 1991-01-03 Merck Patent Gmbh Elektrooptisches system mit kompensationsfilm
JP2869451B2 (ja) * 1990-04-17 1999-03-10 株式会社リコー 液晶表示素子
JP2711585B2 (ja) * 1990-06-26 1998-02-10 日本石油株式会社 アクティブマトリックス液晶表示素子用補償板
JPH04127125A (ja) * 1990-09-19 1992-04-28 Casio Comput Co Ltd 光学素子
JP2721284B2 (ja) * 1991-02-07 1998-03-04 株式会社東芝 液晶表示素子および光学異方素子
JP2853064B2 (ja) * 1991-07-19 1999-02-03 日本石油株式会社 液晶表示素子用視角補償板

Also Published As

Publication number Publication date
KR0181980B1 (ko) 1999-05-01
DE69328051D1 (de) 2000-04-20
EP0576931A2 (en) 1994-01-05
EP0576931B1 (en) 2000-03-15
DE69328051T2 (de) 2000-07-13
EP0576931A3 (en) 1994-08-10
US5548426A (en) 1996-08-20
KR940000902A (ko) 1994-01-10

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees