KR910018832A - 투사형액정표시장치 - Google Patents

투사형액정표시장치 Download PDF

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Publication number
KR910018832A
KR910018832A KR1019900005239A KR900005239A KR910018832A KR 910018832 A KR910018832 A KR 910018832A KR 1019900005239 A KR1019900005239 A KR 1019900005239A KR 900005239 A KR900005239 A KR 900005239A KR 910018832 A KR910018832 A KR 910018832A
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KR
South Korea
Prior art keywords
liquid crystal
phase plate
optical
crystal cell
polarizing means
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KR1019900005239A
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English (en)
Inventor
노부야스 야마구시
히로시 와따나베
Original Assignee
다니이 아끼오
마쯔시다덴기산교 가부시끼가이샤
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Priority claimed from JP63278711A external-priority patent/JP2532620B2/ja
Application filed by 다니이 아끼오, 마쯔시다덴기산교 가부시끼가이샤 filed Critical 다니이 아끼오
Publication of KR910018832A publication Critical patent/KR910018832A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • 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
    • G02F1/137—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
    • 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

Abstract

내용 없음

Description

투사형액정표시장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예의 구성을 표시한 도면으로서, 장치 전체의 광학구성의 개략을 표시한 도면, 제5도는 본 발명의 제2실시예의 구성을 표시한 도면으로서로, 장치 전체의 광학구성의 개략을 표시한 도면, 제6도는 광학축의 설정각도를 표시한 도면.

Claims (10)

  1. 파장대역이 다른 광선이 통과하는 복수의 광로를 구비하고, 적어도 2개이상의 상기 광로안에, 1쌍의 편광수단과, 트위스트 네마틱 액정셀과, 적어도 1장의 위상판으로 이루어진 광학구성을 배치하고, 상기 광학구성에 있어서, 액정셀기판의 배향방향과 위상판의 지상축, 및 편광수단의 차광축의 설정각도 또는, 위상판의 지연치가 상기 광학 구성마다 다른 것을 특징으로 하는 투사형 액정표시장치.
  2. 파장대역이 다른 광선이 통과하는 복수의 광로를 구비하고, 가장 짧은 파장역의 광선이 통과하는 광로안에만, 1쌍의 편광수단과, 트위스트 네마틱 애정셀과, 적어도 1장의 위판상으로 이루어진 광학구성을 배치하는 것을 특징으로 한느 투사형 액정표시장치.
  3. 제1항 또는 제2항에 있어서, 2개의 편광수단과 위상판과 액정셀로 이루어진 적어도 1개의 광학구성에 있어서, 위상판에 인접하는 액정셀 기판의 배향 방향을 기준으로해서, 위상판의 지상축과 위상판에 인접하는 편광수단의 투과 또는 차광축이 액정의 트위스트 방향과는 반대로 0-45˚기울어 지게하여 배치한 것을 특징으로 하는 투사형 액정표시장치.
  4. 제3항에 있어서, 2개의 편광수단과 위상판과 액정셀로 이루어진 적어도 1개의 광학구성에 있어서, 편광수단과 액정셀이 인접하는 면을 구비하고, 위상판에 인접하는 액정셀기판의 배향방향 및 위상판의 지상축과 위상판에 인접하는 편광수단의 두과 또는 차광축, 각각의 광학축이 인접하는 광학축과 0-45˚의 교각을 이루고, 광학축이 액정의 트위스트 방향과는 반대방향으로 꼬이도록 배치한 것을 특징으로 하는 투과형액정표시장치.
  5. 제1항 또는 제2항에 있어서, 2개의 편광수단과 위상판과 액정셀로 이루어진 적어도 1개의 광학 구성에 있어서, 2장의 위상판을 배치하고, 상기 2장의 위상판의 지상축이 거의 직교하고 있는 것을 특징으로 하는 투사형 액정표시장치.
  6. 제1항 또는 제2항에 있어서, 2개의 편광수단과 위상판과 액정셀로 이루어진 적어도 1개의 광학 구성에 있어서, 위상판에 인접하는 액정셀 기판의 배향방향 및 위상자의 지상축과 편광수단의 차광축 가운데 적어도 1개의 광학축의 방향을 상기 특허청구의 범위 제3항 및 제4항의 구성으로 부터 90˚회전시켜 설정한 것을 특징으로 하는 투사형 액정표시장치.
  7. 제1항 또는 제2항에 있어서, 2개의 편광수단과 위상판과 액정셀로 이루어진 적어도 1장의 광학구성에 있어서, 상기 액정셀과 액정분자의 꼬임이 반대이고, 꼬임 각도의 크기가 거의 동등하고, 굴절율 이방성△n과 셀두께 d의 곱 △nd가 상기 액정셀의 △nd와 거의 동등한 보상용 액정셀을 배치하는 것을 특징으로 하는 투사형 액정표시장치.
  8. 제1항 또는 제2항에 있어서, 위상판으로서 폴리 카아보네이트 또는 폴리비닐알코올을 펴서 작성된 광의 위상차를 발생시키는 필름을 사용하는 것을 특징으로 하는 투사형 액정표시장치.
  9. 제1항 또는 제2항에 있어서, 2개의 편광수단과 적어도 1장의 위상판과 액정셀로 이루어진 광학 구성에 있어서, 위상판의 지상축 또는 편광수단의 차광축 또는 양광학축의 설정각도가 조절가능한 구성으로한 것을 특징으로 하는 투사형 액정표시장치.
  10. 제9항에 있어서, 온도 검출수단을 구비하고 검출결과에 연동해서, 위상판의 지상축 또는 편광수단의 차광축 또는 양광학축의 설정각도가 조절되는 구성으로 한것을 특징으로 하는 투사형 액정표시장치.
    ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.
KR1019900005239A 1988-11-04 1990-04-16 투사형액정표시장치 KR910018832A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6-278711 1988-11-04
JP63278711A JP2532620B2 (ja) 1988-11-04 1988-11-04 電気光学素子
JP1-78845 1989-03-29
JP7884589 1989-03-29

Publications (1)

Publication Number Publication Date
KR910018832A true KR910018832A (ko) 1991-11-30

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Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019890016005A KR940002638B1 (ko) 1988-11-04 1989-11-04 액정 광학 소자
KR1019900005239A KR910018832A (ko) 1988-11-04 1990-04-16 투사형액정표시장치

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KR1019890016005A KR940002638B1 (ko) 1988-11-04 1989-11-04 액정 광학 소자

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Country Link
US (1) US5448386A (ko)
EP (1) EP0367616A3 (ko)
KR (2) KR940002638B1 (ko)

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JP3401049B2 (ja) * 1993-05-26 2003-04-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 階調液晶表示パネル
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
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
US5680184A (en) * 1994-04-12 1997-10-21 Casio Computer Co., Ltd. Color liquid crystal display device
JPH08122770A (ja) * 1994-10-19 1996-05-17 Hosiden Corp 液晶表示素子
JPH08194204A (ja) * 1995-01-20 1996-07-30 Hitachi Ltd 液晶表示装置
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JP4032568B2 (ja) * 1999-06-30 2008-01-16 カシオ計算機株式会社 液晶表示装置
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
JP3823972B2 (ja) * 2003-05-09 2006-09-20 セイコーエプソン株式会社 視角制御素子、表示装置、及び電子機器
JP2007163894A (ja) * 2005-12-14 2007-06-28 Fujifilm Corp 液晶表示装置
JP4822432B2 (ja) * 2006-07-25 2011-11-24 日東電工株式会社 液晶パネル、及び液晶表示装置
CN103576357B (zh) * 2012-07-24 2016-12-21 上海天马微电子有限公司 一种透明显示器
JP6359338B2 (ja) 2014-05-22 2018-07-18 スタンレー電気株式会社 液晶表示装置
TWI696865B (zh) * 2019-04-30 2020-06-21 國立中山大學 多功能調光玻璃
CN111711805A (zh) * 2020-07-01 2020-09-25 中国电影器材有限责任公司 高对比度的电影放映系统及方法

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Publication number Publication date
KR940002638B1 (ko) 1994-03-26
EP0367616A2 (en) 1990-05-09
US5448386A (en) 1995-09-05
EP0367616A3 (en) 1991-04-24
KR900008302A (ko) 1990-06-04

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