KR910012784A - 액정 표시 소자 - Google Patents

액정 표시 소자 Download PDF

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Publication number
KR910012784A
KR910012784A KR1019900019883A KR900019883A KR910012784A KR 910012784 A KR910012784 A KR 910012784A KR 1019900019883 A KR1019900019883 A KR 1019900019883A KR 900019883 A KR900019883 A KR 900019883A KR 910012784 A KR910012784 A KR 910012784A
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KR
South Korea
Prior art keywords
liquid crystal
less
crystal display
degrees
display device
Prior art date
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KR1019900019883A
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English (en)
Inventor
오사무 오꾸무라
Original Assignee
야마무라 가쯔미
세이꼬 엡슨 가부시끼가이샤
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.)
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Publication date
Application filed by 야마무라 가쯔미, 세이꼬 엡슨 가부시끼가이샤 filed Critical 야마무라 가쯔미
Publication of KR910012784A publication Critical patent/KR910012784A/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
    • 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
    • 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
    • G02F1/1397—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 the twist being substantially higher than 90°, e.g. STN-, SBE-, OMI-LC cells
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/02—Function characteristic reflective

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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)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)

Abstract

내용 없음

Description

액정 표시 소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예 1 내지 3 및 실시예 5 내지 19 및 비교예 1 내지 3에 있어서 액정 표시 소자의 단면도
제2도는 본 발명의 실시예 4에 있어서 액정 표시 소자의 단면도
제3도는 본 발명의 액정 표시 소자의 각 축의 관계를 도시하는 도면

Claims (5)

  1. 마주하는 2장의 기판 사이에 트위스트 배향하는 액정을 끼워서 형성되는 액정 쎌, 1장의 편광판, 1장의 반사판을 구비한 액정 표시 소자에 있어서, 이 액정 쎌에 입사하여 반사판에 이른 광이, 거의 직선 편광의 상태로 되는 액정을 사용한 것을 특징으로 하는 액정 표시 소자.
  2. 제1항에 있어서, 상기한 액정 쎌에 있어서, 액정의 트위스트각이 0도 이상 70도 이하이며, 액정의 복굴절율 △n과 쎌갭 d과의적인 지연 △n+d의 값이 0.2㎛이상 0.7㎛이하이며, 편광판의 편광축(흡수축 혹은 투과축)방향이 상기판에 있어서 액정 배향 방향과 이루는 각도 θ가, 액정의 비틀림 방향을 정으로 하여, 35도 이상 115도 이하인 것을 특징으로 하는 액정 표시 소자.
  3. 제1항에 있어서, 상기한 액정 쎌에 있어서, 액정의 트위스트각이 170도 이상 270도 이하이며, △n×d값이 0.4㎛이상, 1.0㎛이하인 것을 특징으로 하는 액정 표시 소자.
  4. 제1항에 있어서, 액정 쎌의 2장의 기판중, 최소한 한편의 기판의 액정 측 표면에, 층자 0.1㎛이상 2㎛이하의을 갖는 것을 특징으로 하는 액정 표시 소자.
  5. 제1항에 있어서, 반사판이, 상기 책정 쎌 기판의 액정 측 표면에 설치되어 있는 것을 특징으로 하는 액정 표시 소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900019883A 1989-12-08 1990-12-05 액정 표시 소자 KR910012784A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1-319261 1989-12-08
JP31926189 1989-12-08
JP2074149A JP2924055B2 (ja) 1989-12-08 1990-03-24 反射型液晶表示素子
JP74149 1990-03-24

Publications (1)

Publication Number Publication Date
KR910012784A true KR910012784A (ko) 1991-08-08

Family

ID=26415289

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900019883A KR910012784A (ko) 1989-12-08 1990-12-05 액정 표시 소자

Country Status (7)

Country Link
US (1) US5139340A (ko)
EP (1) EP0431952B1 (ko)
JP (1) JP2924055B2 (ko)
KR (1) KR910012784A (ko)
CN (1) CN1053302A (ko)
DE (1) DE69025563T2 (ko)
HK (1) HK1007194A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
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KR100681991B1 (ko) * 1998-04-20 2007-02-15 소니 가부시끼 가이샤 반사형 액정 표시 장치

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Publication number Priority date Publication date Assignee Title
KR100681991B1 (ko) * 1998-04-20 2007-02-15 소니 가부시끼 가이샤 반사형 액정 표시 장치

Also Published As

Publication number Publication date
EP0431952A2 (en) 1991-06-12
JPH03223715A (ja) 1991-10-02
US5139340A (en) 1992-08-18
JP2924055B2 (ja) 1999-07-26
EP0431952B1 (en) 1996-02-28
DE69025563T2 (de) 1996-06-13
EP0431952A3 (en) 1992-04-08
CN1053302A (zh) 1991-07-24
DE69025563D1 (de) 1996-04-04
HK1007194A1 (en) 1999-04-01

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