KR900002114A - 액정표시소자 - Google Patents

액정표시소자 Download PDF

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Publication number
KR900002114A
KR900002114A KR1019890009787A KR890009787A KR900002114A KR 900002114 A KR900002114 A KR 900002114A KR 1019890009787 A KR1019890009787 A KR 1019890009787A KR 890009787 A KR890009787 A KR 890009787A KR 900002114 A KR900002114 A KR 900002114A
Authority
KR
South Korea
Prior art keywords
liquid crystal
crystal display
degrees
optical delay
display device
Prior art date
Application number
KR1019890009787A
Other languages
English (en)
Other versions
KR930002917B1 (ko
Inventor
도미아끼 야마모또
아끼오 무라야마
스스무 곤도
히또시 하또우
신이찌 가마가미
쇼우이찌 마쯔모또
Original Assignee
아오이 죠이찌
가부시끼가이샤 도시바
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 아오이 죠이찌, 가부시끼가이샤 도시바 filed Critical 아오이 죠이찌
Publication of KR900002114A publication Critical patent/KR900002114A/ko
Application granted granted Critical
Publication of KR930002917B1 publication Critical patent/KR930002917B1/ko

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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
    • 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
    • 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
    • G02F2413/08—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

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)
  • Polarising Elements (AREA)

Abstract

내용 없음

Description

액정표시소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 한실시예인 액정표시소자에 있어서의 배열방향, 편광판의 흡수축 방향 및 광학지연판의 광축방향의관계를 나타내는 도면.
제4도는 본 발명의 액정표시소자의 투과율의 파장의존성을 나타내는 도면.
제6도는 종래예의 액정 표시소자의 작용을 각각 설명하는 설명도.
제7도는 비교예인 액정표시소자의 투과율의 파장 의존성을 나타내는 도면이다.

Claims (5)

  1. 각각 대향면에 전극이 형성되어 대향설치된 제1 및 제2의 기판(1)(1')과 함께 저술한 제1 및 제2의 기판과의 사이에서 트위스트 배열된 액정조성물로 이루어지는 액정셀(5)과, 전술한 액정셀의 양측에 배치된 제1 및 제2의 편광판(3)(4)을 갖는 액정표시소자에 있어서, 제1의 기판(1)과 제1의 편광판(3)과의 사이에 제1의 광학지연판(10)을 또한 제2의 기판(1')의 제2의 편광판(4)과의 사이에 제2의 광학지연판(11)을 갖는 것을 특징으로 하는 액정표시소자.
  2. 제1항에 있어서, 제1및 제2의 기판간격을 d, 액정조성물의 복굴절율을 △n, 액정조성물의 틸트각을 θ로 했을때 전술한 액정셀의 리타데이션 (R0)(=△nㆍdㆍcos2θ)이 0.4 내지 0.85㎛의 범위에 있는 것을 특징으로 하는 액정표시소자.
  3. 제2항에 있어서, 제1 및 제2의 광학지연판의 리타데이션이 각각 Ro x 0.3 내지 Ro x 1.0의 범위에 있는 것을 특징으로 하는 액정표시소자.
  4. 제1항에 있어서, 제1 및 제2의 광학지연판의 광학축이 70도 내지 110도 각도를 이루고 있는 것을 특징으로 하는 액정표시소자.
  5. 제1항에 있어서, 제1 및 제2의 편광판의 흡수축이 70도 내지 110도 각도를 이루고 있는 것을 특징으로 하는 액정표시소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890009787A 1988-07-08 1989-07-08 액정 표시소자 KR930002917B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP88-169011 1988-07-08
JP16901188 1988-07-08
JP169011 1988-07-08

Publications (2)

Publication Number Publication Date
KR900002114A true KR900002114A (ko) 1990-02-28
KR930002917B1 KR930002917B1 (ko) 1993-04-15

Family

ID=15878678

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890009787A KR930002917B1 (ko) 1988-07-08 1989-07-08 액정 표시소자

Country Status (3)

Country Link
US (1) US4984874A (ko)
EP (1) EP0350075A3 (ko)
KR (1) KR930002917B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030065814A (ko) * 2002-02-01 2003-08-09 비오이 하이디스 테크놀로지 주식회사 투과율이 개선된 에이에스엠 모드 액정표시장치

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US5082353A (en) * 1988-05-11 1992-01-21 Kabushiki Kaisha Toshiba Liquid-crystal display apparatus
CA2009319C (en) * 1989-02-06 1994-11-01 Hiroshi Ohnishi Liquid crystal display device
US5126866A (en) * 1989-08-11 1992-06-30 Sharp Kabushiki Kaisha Liquid crystal display with a plurality of phase difference plates the slow axes of which form an angle of 20 to 40 degrees
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
US5107356A (en) * 1989-12-26 1992-04-21 General Electric Company Liquid crystal display device with birefringent films
JP3084724B2 (ja) * 1990-04-09 2000-09-04 セイコーエプソン株式会社 液晶表示装置
US5303075A (en) * 1990-04-09 1994-04-12 Seiko Epson Corporation Liquid crystal display with phase difference plate having particular .DELTA.Δnxd at 45° angle to surface
US5187603A (en) * 1990-06-26 1993-02-16 Tektronix, Inc. High contrast light shutter system
JPH04104124A (ja) * 1990-08-23 1992-04-06 Semiconductor Energy Lab Co Ltd 液晶電気光学装置
US5150235A (en) * 1991-02-04 1992-09-22 Honeywell Inc. Apparatus for improving the angle of view in a liquid crystal display
US5237438A (en) * 1991-05-02 1993-08-17 Casio Computer Co., Ltd. Liquid crystal display device
DE69324314T2 (de) * 1992-07-24 1999-09-30 Sharp Kk Flüssigkristallanzeige
JP3250853B2 (ja) * 1992-11-09 2002-01-28 松下電器産業株式会社 液晶表示装置およびそれを用いた投写型表示装置
AU6711694A (en) * 1993-04-21 1994-11-08 University Of Akron, The Negative birefringent polyimide films
US5344916A (en) * 1993-04-21 1994-09-06 The University Of Akron Negative birefringent polyimide films
JPH0743707A (ja) * 1993-07-30 1995-02-14 Sharp Corp 液晶表示装置及びその製造方法
US5691791A (en) * 1993-07-30 1997-11-25 Sharp Kabushiki Kaisha Reflective liquid crystal display device and reflector
JP2640083B2 (ja) * 1993-09-22 1997-08-13 富士写真フイルム株式会社 光学補償シート及びそれを用いた液晶表示装置
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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
US5724112A (en) * 1994-03-28 1998-03-03 Casio Computer Co., Ltd. Color liquid crystal apparatus
JPH08194204A (ja) * 1995-01-20 1996-07-30 Hitachi Ltd 液晶表示装置
US5638200A (en) * 1995-02-03 1997-06-10 Ois Optical Imaging Systems, Inc. Liquid crystal display with tilted retardation film
JP2728059B2 (ja) * 1995-10-06 1998-03-18 日本電気株式会社 反射型液晶表示装置
US5781263A (en) * 1996-03-14 1998-07-14 Optrex Corporation Liquid crystal display device wherein driving frequency is 200 or less and 50% threshold voltage is 1.5 V or less
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JPH11509650A (ja) * 1996-05-17 1999-08-24 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ 補償層、液晶表示装置及びリタデーションフォイル
JP3032424U (ja) * 1996-06-14 1996-12-24 セイコー電子工業株式会社 液晶表示装置およびその液晶表示装置を備えた携帯機器
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
US6300929B1 (en) * 1998-12-28 2001-10-09 Kabushiki Kaisha Toshiba Flat panel display device
AUPQ579800A0 (en) 2000-02-23 2000-03-16 Victorian Chemicals International Pty Ltd Plant growth hormone compositions
PT1333721E (pt) 2000-10-17 2006-08-31 Victorian Chemical Internat Pt Composicao herbicida
JP4566384B2 (ja) 2000-10-30 2010-10-20 日東電工株式会社 偏光板
JP4566385B2 (ja) 2000-10-30 2010-10-20 日東電工株式会社 偏光板
JP2002148434A (ja) * 2000-11-08 2002-05-22 Nitto Denko Corp 偏光板
JP2002148433A (ja) * 2000-11-08 2002-05-22 Nitto Denko Corp 偏光板
KR20050004410A (ko) * 2003-07-02 2005-01-12 삼성전자주식회사 색 필터 표시판 및 이를 포함하는 액정 표시 장치
CN112285977B (zh) * 2020-12-28 2021-03-02 北京瑞波科技术有限公司 一种位相延迟装置及其制备方法、显示设备

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030065814A (ko) * 2002-02-01 2003-08-09 비오이 하이디스 테크놀로지 주식회사 투과율이 개선된 에이에스엠 모드 액정표시장치

Also Published As

Publication number Publication date
EP0350075A2 (en) 1990-01-10
EP0350075A3 (en) 1990-09-05
US4984874A (en) 1991-01-15
KR930002917B1 (ko) 1993-04-15

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