KR950012110A - 광 보상판을 갖는 액정 디스플레이(lcd) 장치 - Google Patents

광 보상판을 갖는 액정 디스플레이(lcd) 장치 Download PDF

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Publication number
KR950012110A
KR950012110A KR1019940025232A KR19940025232A KR950012110A KR 950012110 A KR950012110 A KR 950012110A KR 1019940025232 A KR1019940025232 A KR 1019940025232A KR 19940025232 A KR19940025232 A KR 19940025232A KR 950012110 A KR950012110 A KR 950012110A
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KR
South Korea
Prior art keywords
liquid crystal
twisted
optical compensation
compensation plate
liquid
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KR1019940025232A
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English (en)
Inventor
켄 스미요시
Original Assignee
가네꼬 히사시
닛본덴기 가부시끼가이샤
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Publication of KR950012110A publication Critical patent/KR950012110A/ko

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    • 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
    • G02F1/133528—Polarisers
    • 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

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)

Abstract

액정 디스플레이 장치는 액정 패널(101) 및 광 보상판(102)를 갖고 있다. 액정 패널(101)은 트위스트된 액체 방향을 갖는다. 광 보상판(102)는 액정 분자들의 굴절률 이방성의 특성 방향과 역방향의 굴절률 이방성 특성을 갖는 분자들로 구성되며, 트위스트된 액체 배향의 방향과 역방향으로 트위스트된 배향 구조를 갖는다. 최종 구조는 서로 직교하도록 배치된 2개의 편광판(100) 사이에 샌드위치되어, 블랙 상태 디스플레이를 실현할 수 있다. LCD는 고 콘트라스트 및 넓은 시각 성능을 보여준다.

Description

광 보상판을 갖는 액정 디스플레이(LCD) 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3A도 내지 제3D도는 본 발명에 따르는 액정 배향 구조를 변화시키기 위한 과정을 설명하는 도면,
제4도는 본 발명에 따르는 실시예에서 달성된 기능을 설명하는 도면.

Claims (4)

  1. 트위스트된 액체 배향을 갖는 액정 패널(101) ; 및 액정 분자들의 굴절률 이방성 특성 방향과 역방향의 굴절률 이방성 특성을 갖고 있고, 상기 트위스트된 액체 배향의 방향과 역방향으로 트위스트된 배향 구조를 갖고 있는 광 보상판(102)를 포함하고, 상기 광 보상판(102)는 상기 액정 패널(101)과 결합하여 적층구조를 형성하는 것을 특징으로 하는 액정 디스플레이 장치.
  2. 트위스트된 액체 배향을 갖는 액정 패널(101) ; 액정 분자들의 굴절을 이방성 특성 방향과 역방향의 굴절률 이방성 특성을 갖는 분자들로 구성되고, 상기 트위스트된 액체 배향의 방향과 역방향으로 트위스트된 배향 구조를 갖고 있으며, 상기 액정 패널(101)과 결합하여 적층 구조를 형성하는 광 보상판(102) ; 및 상기 적층 구조 사이에 샌드위치되고, 서로 직교하도록 배치되는 2개의 편광판(100)을 포함하는 것을 특징으로 하는 액정 디스플레이 장치.
  3. 제1항에 있어서, 상기 광 보상판은 전압이 인가되지 않을 때에 블랙 디스플레이 상태를 취하는 노말리 블랙 트위스트 네마틱 구조를 위한 것임을 특징으로 하는 액정 디스플레이 장치.
  4. 제1항에 있어서, 상기 광 보상판은 전압이 인가될 때 블랙 디스플레이 상태를 취하는 노말리 화이트 트위스트 네마틱 구조를 위한 것임을 특징으로 하는 액정 디스플레이 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940025232A 1993-10-04 1994-10-01 광 보상판을 갖는 액정 디스플레이(lcd) 장치 KR950012110A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-247667 1993-10-04
JP5247667A JP2768234B2 (ja) 1993-10-04 1993-10-04 光学補償板を用いた液晶表示装置

Publications (1)

Publication Number Publication Date
KR950012110A true KR950012110A (ko) 1995-05-16

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ID=17166876

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Application Number Title Priority Date Filing Date
KR1019940025232A KR950012110A (ko) 1993-10-04 1994-10-01 광 보상판을 갖는 액정 디스플레이(lcd) 장치

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JP (1) JP2768234B2 (ko)
KR (1) KR950012110A (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0915586A (ja) * 1995-06-29 1997-01-17 Nec Corp 液晶表示装置
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
JPH09292611A (ja) * 1996-04-30 1997-11-11 Nec Corp 液晶表示装置
WO2001009674A1 (fr) * 1999-07-30 2001-02-08 Nippon Mitsubishi Oil Corporation Affichage a cristaux liquides nematiques torsades en mode normalement noir
US6540940B1 (en) 1999-08-23 2003-04-01 Fuji Photo Film Co., Ltd. Orientation layer containing (meth) acrylic copolymer having hydrophobic repeating units
CN202256968U (zh) 2011-10-20 2012-05-30 京东方科技集团股份有限公司 液晶显示器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63271415A (ja) * 1987-04-30 1988-11-09 Seiko Epson Corp 液晶表示装置
JP3237216B2 (ja) * 1992-07-08 2001-12-10 カシオ計算機株式会社 液晶表示装置
JP3182895B2 (ja) * 1992-07-10 2001-07-03 カシオ計算機株式会社 液晶表示装置

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Publication number Publication date
JPH07104284A (ja) 1995-04-21
JP2768234B2 (ja) 1998-06-25

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