DE68927797D1 - Projektions-Flüssigkristall-Anzeigevorrichtung - Google Patents

Projektions-Flüssigkristall-Anzeigevorrichtung

Info

Publication number
DE68927797D1
DE68927797D1 DE68927797T DE68927797T DE68927797D1 DE 68927797 D1 DE68927797 D1 DE 68927797D1 DE 68927797 T DE68927797 T DE 68927797T DE 68927797 T DE68927797 T DE 68927797T DE 68927797 D1 DE68927797 D1 DE 68927797D1
Authority
DE
Germany
Prior art keywords
liquid crystal
display device
crystal display
projection liquid
projection
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
DE68927797T
Other languages
English (en)
Other versions
DE68927797T2 (de
Inventor
Hisashi Atarashi
Yutaka Takafuji
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of DE68927797D1 publication Critical patent/DE68927797D1/de
Application granted granted Critical
Publication of DE68927797T2 publication Critical patent/DE68927797T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Projection Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE68927797T 1988-12-05 1989-12-05 Projektions-Flüssigkristall-Anzeigevorrichtung Expired - Fee Related DE68927797T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63308568A JPH02153336A (ja) 1988-12-05 1988-12-05 投影型液晶表示装置

Publications (2)

Publication Number Publication Date
DE68927797D1 true DE68927797D1 (de) 1997-04-03
DE68927797T2 DE68927797T2 (de) 1997-08-14

Family

ID=17982590

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927797T Expired - Fee Related DE68927797T2 (de) 1988-12-05 1989-12-05 Projektions-Flüssigkristall-Anzeigevorrichtung

Country Status (5)

Country Link
US (1) US5172254A (de)
EP (1) EP0372905B1 (de)
JP (1) JPH02153336A (de)
KR (1) KR940006261B1 (de)
DE (1) DE68927797T2 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2893599B2 (ja) * 1989-10-05 1999-05-24 セイコーエプソン株式会社 偏光光源及び投写型表示装置
JP3126368B2 (ja) * 1990-06-22 2001-01-22 株式会社日立製作所 画像縮小拡大投影装置
JPH04180051A (ja) * 1990-11-15 1992-06-26 Sharp Corp 液晶プロジェクター
JP2575558Y2 (ja) * 1990-12-26 1998-07-02 エルジー電子株式会社 液晶投写形ディスプレイの光学系構造
JPH05241103A (ja) * 1992-02-21 1993-09-21 Nec Corp 投射型液晶表示装置
US5903388A (en) * 1992-06-11 1999-05-11 Sedlmayr Steven R High efficiency electromagnetic beam projector and systems and method for implementation thereof
KR960014292B1 (ko) * 1993-03-24 1996-10-15 삼성항공산업 주식회사 단판식 액정표시소자 투영기
US5398081A (en) * 1993-06-07 1995-03-14 Raychem Corporation Apparatus for projecting colored images
FR2707444B1 (fr) * 1993-07-05 1995-08-18 Thomson Csf Projecteur vidéo à cristaux liquides.
EP0658794B1 (de) * 1993-12-17 2002-09-11 Matsushita Electric Industrial Co., Ltd. Flüssigkristall-Projektionsvorrichtung und Flüssigkristall-Anzeigevorrichtung
US5379083A (en) * 1994-02-15 1995-01-03 Raychem Corporation Projector
WO1995033222A1 (en) * 1994-06-01 1995-12-07 Philips Electronics N.V. High-efficiency illumination device and image projection apparatus comprising such a device
DE69535346T2 (de) 1994-08-04 2007-05-24 Texas Instruments Inc., Dallas Anzeigevorrichtung
JPH08160374A (ja) * 1994-12-01 1996-06-21 Mitsubishi Electric Corp プロジェクタ装置
WO1996019900A1 (fr) * 1994-12-22 1996-06-27 Thomson-Csf Projecteur video a cristaux liquides
US6227670B1 (en) 1995-03-06 2001-05-08 Nikon Corporation Projection type display apparatus
US6062694A (en) * 1995-03-06 2000-05-16 Nikon Corporation Projection type display apparatus
JP3631296B2 (ja) * 1995-04-04 2005-03-23 三菱電機株式会社 画像生成装置
US5757547A (en) * 1995-04-24 1998-05-26 Polycom, Inc. High efficiency homogeneous polarization converter
IL113796A0 (en) * 1995-05-19 1995-08-31 Unic View Ltd Projector
JPH0921989A (ja) * 1995-07-05 1997-01-21 Nec Corp 液晶プロジェクター装置
CN1214127A (zh) * 1995-10-13 1999-04-14 尤尼科图象有限公司 投影机
JPH09159988A (ja) * 1995-12-12 1997-06-20 Nikon Corp 投射型表示装置
US5605390A (en) * 1996-01-25 1997-02-25 Sarif, Inc. Optical projector
US6231189B1 (en) * 1996-01-29 2001-05-15 Elumens Corporation Dual polarization optical projection systems and methods
US5781252A (en) * 1996-04-02 1998-07-14 Kopin Corporation Dual light valve color projector system
US6082863A (en) * 1996-08-16 2000-07-04 Raychem Corporation Color projection prism
US6206532B1 (en) 1996-10-17 2001-03-27 New Exciting Designs Limited High efficiency light source projection apparatus
GB9621635D0 (en) * 1996-10-17 1996-12-11 Hawes Edward M Light projection system
US6005655A (en) * 1996-10-31 1999-12-21 Minolta Co., Ltd. Projector capable of projecting polarized illumination light
US5924783A (en) * 1997-07-24 1999-07-20 Raychem Corporation System for controlling contrast in projection displays
US5951135A (en) * 1997-10-14 1999-09-14 Raychem Corporation Color image projection system
US6309071B1 (en) 1999-08-04 2001-10-30 Sharp Laboratories Of America, Inc. Liquid crystal projection display system
US7101047B2 (en) * 2000-03-31 2006-09-05 Sharp Laboratories Of America, Inc. Projection display systems for light valves
JP2002077562A (ja) * 2000-08-31 2002-03-15 Canon Inc 画像通信装置
US7479933B2 (en) * 2002-04-15 2009-01-20 Yitzhak Weissman Stereoscopic display apparatus particularly useful with LCD projectors
KR100616556B1 (ko) * 2004-06-12 2006-08-28 김은수 무손실 편광형 입체 디스플레이방법 및 장치
DE102004029056A1 (de) 2004-06-16 2006-01-12 Carl Zeiss Variable Blende, Beleuchtungseinrichtung, optische Beobachtungseinrichtung sowie optisches Beobachtungsgerät
JP4155275B2 (ja) * 2005-03-25 2008-09-24 セイコーエプソン株式会社 画像表示装置
GB0514656D0 (en) * 2005-07-16 2005-08-24 Cairn Res Ltd Control of illumination in microscopy
FR2903199A1 (fr) * 2006-06-30 2008-01-04 Thomson Licensing Sas Systeme optique pour projecteur et projecteur correspondant
US8388138B1 (en) * 2007-03-11 2013-03-05 Simon Boothroyd Projection display systems
JP4508232B2 (ja) * 2007-03-22 2010-07-21 セイコーエプソン株式会社 プロジェクタ
JP5104338B2 (ja) * 2008-01-24 2012-12-19 セイコーエプソン株式会社 プロジェクタ
JP2010204333A (ja) * 2009-03-03 2010-09-16 Seiko Epson Corp プロジェクター
JP2010217818A (ja) * 2009-03-19 2010-09-30 Panasonic Corp 投写型表示装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB773217A (en) * 1953-09-21 1957-04-24 Technicolor Motion Picture Optical projection or beam controlled object fields
US4127322A (en) * 1975-12-05 1978-11-28 Hughes Aircraft Company High brightness full color image light valve projection system
JPS54110864A (en) * 1978-02-20 1979-08-30 Hitachi Ltd Method and apparatus for detecting patterns for liquid crystal display element
US4474434A (en) * 1981-12-07 1984-10-02 Gte Laboratories Incorporated Polarization-insensitive optical switch apparatus
US4461542A (en) * 1981-12-28 1984-07-24 Hughes Aircraft Company High efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarization
US4715684A (en) * 1984-06-20 1987-12-29 Hughes Aircraft Company Optical system for three color liquid crystal light valve image projection system
JPH0672987B2 (ja) * 1985-09-10 1994-09-14 セイコーエプソン株式会社 投写型カラ−表示装置
JPS62240936A (ja) * 1986-04-14 1987-10-21 Seiko Epson Corp 投射型表示装置
JPS6315219A (ja) * 1986-07-08 1988-01-22 Seikosha Co Ltd 投写式液晶表示装置
US4989076A (en) * 1987-01-27 1991-01-29 Canon Kabushiki Kaisha Video projection apparatus
US4786146A (en) * 1987-02-11 1988-11-22 Hughes Aircraft Company Color sequential illumination system for a liquid crystal light valve
DE3720375A1 (de) * 1987-06-19 1988-12-29 Fraunhofer Ges Forschung Projektionsvorrichtung
US4824214A (en) * 1987-07-27 1989-04-25 Hughes Aircraft Company Unitary prepolarizing prism assembly for a four color liquid crystal light valve image projector
DE8810545U1 (de) * 1988-07-19 1988-10-13 Johs. Link Kg, 5920 Bad Berleburg Fellspann- und/oder Stimmvorrichtung für Membranophone
NL8802104A (nl) * 1988-08-26 1990-03-16 Philips Nv Beeldprojektie-inrichting.
US4913529A (en) * 1988-12-27 1990-04-03 North American Philips Corp. Illumination system for an LCD display system
US5060058A (en) * 1989-06-07 1991-10-22 U.S. Philips Corporation Modulation system for projection display
JPH06259919A (ja) * 1993-03-09 1994-09-16 Kitano Shoji Kk キックばねのばね掛け装置

Also Published As

Publication number Publication date
KR940006261B1 (ko) 1994-07-13
EP0372905A2 (de) 1990-06-13
EP0372905B1 (de) 1997-02-26
EP0372905A3 (de) 1991-09-11
US5172254A (en) 1992-12-15
JPH02153336A (ja) 1990-06-13
KR900010446A (ko) 1990-07-07
DE68927797T2 (de) 1997-08-14

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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