DE69026181D1 - Flussigkristallprojektor - Google Patents

Flussigkristallprojektor

Info

Publication number
DE69026181D1
DE69026181D1 DE69026181T DE69026181T DE69026181D1 DE 69026181 D1 DE69026181 D1 DE 69026181D1 DE 69026181 T DE69026181 T DE 69026181T DE 69026181 T DE69026181 T DE 69026181T DE 69026181 D1 DE69026181 D1 DE 69026181D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal projector
projector
liquid
crystal
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 - Lifetime
Application number
DE69026181T
Other languages
English (en)
Inventor
Keiichi Kanatani
Shunichi Kishimoto
Haruhisa Kosaka
Goro Hamagishi
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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
Priority claimed from JP1264443A external-priority patent/JP2994669B2/ja
Priority claimed from JP2138894A external-priority patent/JPH0431845A/ja
Priority claimed from JP2138895A external-priority patent/JPH0431846A/ja
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Application granted granted Critical
Publication of DE69026181D1 publication Critical patent/DE69026181D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
    • 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
    • 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
    • H04N9/3144—Cooling systems
    • 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)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
DE69026181T 1989-10-11 1990-10-09 Flussigkristallprojektor Expired - Lifetime DE69026181D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1264443A JP2994669B2 (ja) 1989-10-11 1989-10-11 液晶プロジエクタ
JP2138894A JPH0431845A (ja) 1990-05-28 1990-05-28 液晶プロジェクタ
JP2138895A JPH0431846A (ja) 1990-05-28 1990-05-28 液晶プロジェクタ

Publications (1)

Publication Number Publication Date
DE69026181D1 true DE69026181D1 (de) 1996-05-02

Family

ID=27317766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69026181T Expired - Lifetime DE69026181D1 (de) 1989-10-11 1990-10-09 Flussigkristallprojektor

Country Status (3)

Country Link
US (1) US5032021A (de)
EP (1) EP0422587B1 (de)
DE (1) DE69026181D1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2871769B2 (ja) * 1989-12-26 1999-03-17 キヤノン株式会社 反射型液晶ディスプレイ及びプロジェクタ
JPH0675199B2 (ja) * 1990-04-18 1994-09-21 株式会社オーク製作所 照射光の透光装置
US5170195A (en) * 1990-09-17 1992-12-08 Pioneer Electronic Corporation Cooling device for a liquid crystal panel
JPH06167705A (ja) * 1992-11-30 1994-06-14 Sanyo Electric Co Ltd 単板式液晶プロジェクター
JPH08211357A (ja) * 1995-02-06 1996-08-20 Pioneer Electron Corp 液浸光学装置
US6088067A (en) * 1995-06-26 2000-07-11 3M Innovative Properties Company Liquid crystal display projection system using multilayer optical film polarizers
JPH09166790A (ja) * 1995-09-13 1997-06-24 Canon Inc 表示装置
US5721602A (en) * 1995-10-11 1998-02-24 International Business Machines Corporation Mechanical packaging and thermal management of flat mirror arrays
JP3606649B2 (ja) * 1995-10-13 2005-01-05 ソニー株式会社 プロジェクタ装置
US5892561A (en) * 1995-10-18 1999-04-06 Fujitsu Limited LC panel with reduced defects having adhesive smoothing layer on an exterior surface of the substrate(s)
US5818564A (en) * 1996-09-13 1998-10-06 Raychem Corporation Assembly including an active matrix liquid crystal display module
JPH11119202A (ja) * 1997-10-13 1999-04-30 Hitachi Ltd 液晶表示装置
US6246459B1 (en) 1998-06-10 2001-06-12 Tyco Electronics Corporation Assembly including an active matrix liquid crystal display module and having plural environmental seals
JP2001021875A (ja) * 1999-07-12 2001-01-26 Seiko Epson Corp 液晶装置及びこれを用いた投写型表示装置
EP1353219B1 (de) * 2001-01-15 2011-03-16 Seiko Epson Corporation Projektor
DE10127620A1 (de) * 2001-06-07 2002-12-12 Zeiss Carl Jena Gmbh Anordnung zum Projizieren eines mehrfarbigen Bildes auf eine Projektionsfläche
DE10127617A1 (de) * 2001-06-07 2002-12-12 Zeiss Carl Jena Gmbh Projektionsanordnung
DE10127621A1 (de) * 2001-06-07 2002-12-12 Zeiss Carl Jena Gmbh Anordnung zum Projizieren eines Bildes auf eine Projektionsfläche
US6829081B2 (en) * 2002-02-08 2004-12-07 Hewlett-Packard Development Company, L.P. Image transistor with laminar flow water cooling system
JP4359105B2 (ja) * 2003-08-25 2009-11-04 株式会社日立製作所 液晶パネル装置
JP2006178349A (ja) * 2004-12-24 2006-07-06 Sanyo Electric Co Ltd 背面投写型映像表示装置
JP4967307B2 (ja) * 2005-10-24 2012-07-04 セイコーエプソン株式会社 プロジェクタ
JP5504557B2 (ja) * 2007-09-21 2014-05-28 セイコーエプソン株式会社 電気光学装置及び電気光学装置用実装ケース、並びに電子機器
JP5241416B2 (ja) * 2008-09-30 2013-07-17 三洋電機株式会社 画像表示装置
JP7192209B2 (ja) * 2017-12-27 2022-12-20 セイコーエプソン株式会社 プロジェクター
JP6981250B2 (ja) 2017-12-28 2021-12-15 セイコーエプソン株式会社 冷却装置およびプロジェクター
JP2020201303A (ja) * 2019-06-06 2020-12-17 セイコーエプソン株式会社 プロジェクター
JP2020201426A (ja) 2019-06-12 2020-12-17 セイコーエプソン株式会社 プロジェクター

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029393A (en) * 1976-04-29 1977-06-14 General Motors Corporation Integrated thermally compensated liquid crystal display device
US4064919A (en) * 1976-11-22 1977-12-27 Rca Corporation Method of filling dynamic scattering liquid crystal devices
US4341000A (en) * 1980-03-24 1982-07-27 Combustion Engineering, Inc. Method of charging heat pipe
US4643525A (en) * 1984-12-24 1987-02-17 General Electric Co. Transflective liquid crystal display with integral heating unit
JPH0758372B2 (ja) * 1985-12-20 1995-06-21 カシオ計算機株式会社 液晶表示装置
US4776389A (en) * 1986-02-03 1988-10-11 Hughes Aircraft Company Method and apparatus for evacuating and filling heat pipes and similar closed vessels
DE8712733U1 (de) * 1986-05-27 1988-01-14 Haastert, Bernd, 5300 Bonn Projizierbare passive Flüssigkeitskristall-Anzeigevorrichtung
US4848875A (en) * 1987-06-25 1989-07-18 Allied-Signal Inc. Dual-pane thermal window with liquid crystal shade
JPH06105333B2 (ja) * 1989-12-08 1994-12-21 カシオ計算機株式会社 液晶プロジェクタ装置

Also Published As

Publication number Publication date
EP0422587A2 (de) 1991-04-17
EP0422587A3 (en) 1992-02-26
US5032021A (en) 1991-07-16
EP0422587B1 (de) 1996-03-27

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Legal Events

Date Code Title Description
8332 No legal effect for de