DE69415713T2 - Flüssigkristall-Lichtventil und Projektionsvorrichtung mit dessen Verwendung - Google Patents

Flüssigkristall-Lichtventil und Projektionsvorrichtung mit dessen Verwendung

Info

Publication number
DE69415713T2
DE69415713T2 DE69415713T DE69415713T DE69415713T2 DE 69415713 T2 DE69415713 T2 DE 69415713T2 DE 69415713 T DE69415713 T DE 69415713T DE 69415713 T DE69415713 T DE 69415713T DE 69415713 T2 DE69415713 T2 DE 69415713T2
Authority
DE
Germany
Prior art keywords
liquid crystal
same
projection device
light valve
crystal light
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
DE69415713T
Other languages
English (en)
Other versions
DE69415713D1 (de
Inventor
Yoshihiro Masumoto
Hideki Ohmae
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69415713D1 publication Critical patent/DE69415713D1/de
Publication of DE69415713T2 publication Critical patent/DE69415713T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal 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
    • 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
    • G02F1/133632—Birefringent elements, e.g. for optical compensation with refractive index ellipsoid inclined relative to the LC-layer surface

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
DE69415713T 1993-04-22 1994-04-21 Flüssigkristall-Lichtventil und Projektionsvorrichtung mit dessen Verwendung Expired - Fee Related DE69415713T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5095839A JP2624116B2 (ja) 1993-04-22 1993-04-22 液晶表示装置およびそれを用いた投写型表示装置

Publications (2)

Publication Number Publication Date
DE69415713D1 DE69415713D1 (de) 1999-02-18
DE69415713T2 true DE69415713T2 (de) 1999-05-20

Family

ID=14148552

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415713T Expired - Fee Related DE69415713T2 (de) 1993-04-22 1994-04-21 Flüssigkristall-Lichtventil und Projektionsvorrichtung mit dessen Verwendung

Country Status (4)

Country Link
US (1) US5490006A (de)
EP (1) EP0621499B1 (de)
JP (1) JP2624116B2 (de)
DE (1) DE69415713T2 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3325973B2 (ja) * 1993-10-22 2002-09-17 富士写真フイルム株式会社 光学異方素子およびそれを用いた液晶表示素子
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
US5638200A (en) * 1995-02-03 1997-06-10 Ois Optical Imaging Systems, Inc. Liquid crystal display with tilted retardation film
US5579139A (en) * 1995-06-07 1996-11-26 Ois Optical Imaging Systems, Inc. LCD with reduced canopy reflection having a retarder of 220-320 nm retardation outside a polarizer
NO304423B1 (no) 1995-10-27 1998-12-14 Norsk Hydro As Homogen NK-gj°dsel og fremgangsmÕte for fremstilling derav
TW412656B (en) * 1996-04-26 2000-11-21 Hitachi Ltd Liquid crystal display
WO1998058291A1 (en) * 1997-06-16 1998-12-23 Koninklijke Philips Electronics N.V. Projection device
JP3822361B2 (ja) * 1998-07-10 2006-09-20 株式会社日立製作所 配光制御素子およびこれを備えた表示装置
EP1055147A1 (de) * 1998-11-20 2000-11-29 Koninklijke Philips Electronics N.V. Bildprojekttionssystem mit verbessertem kontrast
JP2001100311A (ja) * 1999-07-23 2001-04-13 Seiko Epson Corp プロジェクタ
JP4367585B2 (ja) * 1999-07-27 2009-11-18 ソニー株式会社 液晶プロジェクタ装置
EP1160617B1 (de) * 2000-05-31 2004-10-13 Sony Corporation Flüssigkristall-Projektor mit verbessertem Kontrasts
JP2002229125A (ja) 2001-02-06 2002-08-14 Canon Inc 投射型画像表示装置および画像表示システム
US6972809B2 (en) * 2001-12-20 2005-12-06 Sharp Kabushiki Kaisha Path shifting optical device having polarization correcting section and optical display system including same
JP2003302699A (ja) * 2002-02-05 2003-10-24 Sharp Corp 画像表示装置および画像シフト素子
US7626661B2 (en) 2003-12-11 2009-12-01 Jds Uniphase Corporation Polarization controlling elements
JP2006011298A (ja) * 2004-06-29 2006-01-12 Sony Corp 液晶プロジェクタ装置
JP4225954B2 (ja) * 2004-07-26 2009-02-18 三洋電機株式会社 投写装置及び投写装置に用いる液晶パネルユニット
JP2006113434A (ja) * 2004-10-18 2006-04-27 Konica Minolta Holdings Inc 映像表示装置
US8237876B2 (en) * 2005-05-25 2012-08-07 Kim Leong Tan Tilted C-plate retarder compensator and display systems incorporating the same
US7714945B2 (en) * 2005-09-09 2010-05-11 Jds Uniphase Corporation Optimally clocked trim retarders
US7671946B2 (en) * 2005-10-18 2010-03-02 Jds Uniphase Corporation Electronically compensated LCD assembly
JPWO2007105371A1 (ja) * 2006-03-13 2009-07-30 セイコーエプソン株式会社 液晶装置及びこれを備えるプロジェクタ
JP4466693B2 (ja) * 2006-10-27 2010-05-26 セイコーエプソン株式会社 プロジェクタとその光学補償方法、及び液晶装置
JP5076478B2 (ja) * 2006-12-12 2012-11-21 セイコーエプソン株式会社 液晶装置、並びにこれを備えた電子機器及びプロジェクタ
EP1980902B1 (de) * 2007-04-10 2015-07-15 JDS Uniphase Corporation Verdrehter Nematischer xLCD-Kontrastausgleich mit schrägen Platten-Retardern
JP2007233407A (ja) * 2007-04-23 2007-09-13 Canon Inc 液晶表示装置
JP2008217028A (ja) * 2008-04-09 2008-09-18 Sanyo Electric Co Ltd 投写装置及び投写装置に用いる液晶パネルユニット
JP5416606B2 (ja) * 2010-02-04 2014-02-12 スタンレー電気株式会社 液晶表示素子
CN101794029B (zh) * 2010-02-09 2011-12-07 深圳大学 一种消除相位型空间光调制器黑栅效应的方法和装置
CN101799590B (zh) * 2010-03-31 2011-12-07 深圳大学 一种数字菲涅耳消除相位型空间光调制器黑栅效应的方法和装置
CN111596498B (zh) * 2020-07-01 2022-03-01 中国工程物理研究院激光聚变研究中心 一种基于液晶相控阵的环形光束产生方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2028527B (en) * 1978-06-08 1982-11-24 American Liquid Xtal Chem Liquid crystal displays
JPH0715537B2 (ja) * 1985-12-05 1995-02-22 セイコーエプソン株式会社 投写型表示装置
JPS6373782A (ja) * 1986-09-16 1988-04-04 Sony Corp プロジエクタ
US4767190A (en) * 1986-12-04 1988-08-30 Xerox Corporation Transient state liquid crystal image bar with contrast enhancement
EP0367288B1 (de) * 1988-11-04 1995-08-23 Fuji Photo Film Co., Ltd. Flüssigkristall-Anzeige
DE69020855T2 (de) * 1989-03-28 1996-03-28 Asahi Glass Co Ltd Flüssigkristallanzeigevorrichtung.
US5157523A (en) * 1989-03-29 1992-10-20 Matsushita Electric Industrial Co., Ltd. Projection type liquid crystal display unit including orthogonal phase plates
JP2755708B2 (ja) * 1989-08-11 1998-05-25 三洋電機株式会社 液晶プロジェクタ
JPH03116013A (ja) * 1989-09-29 1991-05-17 Toshiba Corp 液晶プロジェクター
JP2867529B2 (ja) * 1990-01-22 1999-03-08 三菱電機株式会社 投写型表示装置
JPH03257424A (ja) * 1990-03-08 1991-11-15 Fujitsu Ltd 液晶表示器
DE4010503A1 (de) * 1990-04-03 1991-10-10 Merck Patent Gmbh Elektrooptisches system
JP3070181B2 (ja) * 1990-09-10 2000-07-24 カシオ計算機株式会社 液晶表示装置
US5150235A (en) * 1991-02-04 1992-09-22 Honeywell Inc. Apparatus for improving the angle of view in a liquid crystal display
JP2796210B2 (ja) * 1992-01-30 1998-09-10 シャープ株式会社 液晶表示装置
FR2693020B1 (fr) * 1992-06-26 1999-01-22 Thomson Consumer Electronics Dispositif d'affichage a cristal liquide nematique en helice.

Also Published As

Publication number Publication date
US5490006A (en) 1996-02-06
JPH075421A (ja) 1995-01-10
JP2624116B2 (ja) 1997-06-25
EP0621499A1 (de) 1994-10-26
EP0621499B1 (de) 1999-01-07
DE69415713D1 (de) 1999-02-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee