KR0181980B1 - 액정표시장치 - Google Patents

액정표시장치 Download PDF

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Publication number
KR0181980B1
KR0181980B1 KR1019930010925A KR930010925A KR0181980B1 KR 0181980 B1 KR0181980 B1 KR 0181980B1 KR 1019930010925 A KR1019930010925 A KR 1019930010925A KR 930010925 A KR930010925 A KR 930010925A KR 0181980 B1 KR0181980 B1 KR 0181980B1
Authority
KR
South Korea
Prior art keywords
liquid crystal
twist
twisted
phase plate
pair
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 - Fee Related
Application number
KR1019930010925A
Other languages
English (en)
Korean (ko)
Other versions
KR940000902A (ko
Inventor
다까시 미야시다
요시나가 미야자와
젠다 기꾸지
Original Assignee
가시오 가즈오
가시오 게이상기 가부시키가이샤
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 JP4182879A external-priority patent/JPH063661A/ja
Priority claimed from JP18288092A external-priority patent/JP3309283B2/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 가시오 가즈오, 가시오 게이상기 가부시키가이샤 filed Critical 가시오 가즈오
Publication of KR940000902A publication Critical patent/KR940000902A/ko
Application granted granted Critical
Publication of KR0181980B1 publication Critical patent/KR0181980B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
KR1019930010925A 1992-06-18 1993-06-15 액정표시장치 Expired - Fee Related KR0181980B1 (ko)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
JP92-182879 1992-06-18
JP4182879A JPH063661A (ja) 1992-06-18 1992-06-18 液晶表示装置
JP18288092A JP3309283B2 (ja) 1992-06-18 1992-06-18 液晶表示装置
JP92-182880 1992-06-18
JP4184758A JPH063663A (ja) 1992-06-19 1992-06-19 液晶表示装置
JP92-184758 1992-06-19
JP20319992A JP3237216B2 (ja) 1992-07-08 1992-07-08 液晶表示装置
JP92-203199 1992-07-08
JP20613792A JP3182895B2 (ja) 1992-07-10 1992-07-10 液晶表示装置
JP92-206137 1992-07-10

Publications (2)

Publication Number Publication Date
KR940000902A KR940000902A (ko) 1994-01-10
KR0181980B1 true KR0181980B1 (ko) 1999-05-01

Family

ID=27528837

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930010925A Expired - Fee Related KR0181980B1 (ko) 1992-06-18 1993-06-15 액정표시장치

Country Status (5)

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

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
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
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
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
US5657140A (en) * 1993-12-15 1997-08-12 Ois Optical Imaging Systems, Inc. Normally white twisted nematic LCD with positive and negative retarders
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
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
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
WO1996006380A2 (en) * 1994-08-23 1996-02-29 Philips Electronics N.V. Liquid crystal display device and retardation foil
DE69531284T2 (de) * 1994-08-23 2004-06-09 Koninklijke Philips Electronics N.V. Flüssigkristall-anzeigevorrichtung und verzögerungsfolie
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
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
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
WO2002073301A2 (en) * 2001-03-13 2002-09-19 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
EP0379315B1 (en) * 1989-01-19 1994-05-18 Seiko Epson Corporation Electro-optical liquid crystal device
DE69018282T2 (de) * 1989-01-26 1995-08-03 Nippon Oil Co Ltd Ausgleicher für eine Flüssigkristall-Anzeigevorrichtung.
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
DE69328051T2 (de) 2000-07-13
EP0576931A3 (en) 1994-08-10
TW229279B (enExample) 1994-09-01
EP0576931B1 (en) 2000-03-15
KR940000902A (ko) 1994-01-10
US5548426A (en) 1996-08-20
EP0576931A2 (en) 1994-01-05
DE69328051D1 (de) 2000-04-20

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