DE69214228T2 - Bildprojektor mit optimierter Lichtausbeute - Google Patents

Bildprojektor mit optimierter Lichtausbeute

Info

Publication number
DE69214228T2
DE69214228T2 DE69214228T DE69214228T DE69214228T2 DE 69214228 T2 DE69214228 T2 DE 69214228T2 DE 69214228 T DE69214228 T DE 69214228T DE 69214228 T DE69214228 T DE 69214228T DE 69214228 T2 DE69214228 T2 DE 69214228T2
Authority
DE
Germany
Prior art keywords
light output
image projector
optimized light
optimized
projector
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
DE69214228T
Other languages
English (en)
Other versions
DE69214228D1 (de
Inventor
Christophe Nicolas
Brigitte Loiseaux
Jean-Pierre Huignard
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE69214228D1 publication Critical patent/DE69214228D1/de
Publication of DE69214228T2 publication Critical patent/DE69214228T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G02B27/1046—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators
    • G02B27/1053—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with transmissive spatial light modulators having a single light modulator for all colour channels
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G02B27/123—The splitting element being a lens or a system of lenses, including arrays and surfaces with refractive power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE69214228T 1991-08-06 1992-08-04 Bildprojektor mit optimierter Lichtausbeute Expired - Fee Related DE69214228T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9109997A FR2680882B1 (fr) 1991-08-06 1991-08-06 Projecteur d'images a efficacite lumineuse orptimisee.

Publications (2)

Publication Number Publication Date
DE69214228D1 DE69214228D1 (de) 1996-11-07
DE69214228T2 true DE69214228T2 (de) 1997-02-06

Family

ID=9415970

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69214228T Expired - Fee Related DE69214228T2 (de) 1991-08-06 1992-08-04 Bildprojektor mit optimierter Lichtausbeute

Country Status (5)

Country Link
US (1) US5272496A (de)
EP (1) EP0527084B1 (de)
JP (1) JP3170356B2 (de)
DE (1) DE69214228T2 (de)
FR (1) FR2680882B1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343224A (en) * 1992-09-22 1994-08-30 Xerox Corporation Diode laser multiple output scanning system
JP2643755B2 (ja) * 1993-02-26 1997-08-20 株式会社日立製作所 液晶ディスプレイ
FR2707447B1 (fr) * 1993-07-09 1995-09-01 Thomson Csf Dispositif de visualisation couleurs.
JPH07104295A (ja) * 1993-10-06 1995-04-21 Nippon Avionics Co Ltd フィールド順次カラー液晶プロジェクタ
FR2711878B1 (fr) * 1993-10-29 1995-12-15 Thomson Csf Dispositif de visualisation couleurs et procédé de réalisation.
JPH07294850A (ja) * 1994-04-22 1995-11-10 Canon Inc 照明装置及びそれを用いた投影装置
EP0714504B1 (de) * 1994-06-17 1999-03-03 Thomson-Csf Flüssigkristallprojektor mit holographischer filtervorrichtung
FR2722319B1 (fr) * 1994-07-08 1996-08-14 Thomson Csf Dispositif de visualisation couleurs
WO1996019900A1 (fr) * 1994-12-22 1996-06-27 Thomson-Csf Projecteur video a cristaux liquides
DE69534037T2 (de) * 1994-12-28 2005-12-29 Seiko Epson Corp. Beleuchtungsvorrichtung mit polarisiertem licht und projektionsanzeigevorrichtung
JP2738324B2 (ja) * 1995-01-23 1998-04-08 日本電気株式会社 投写型液晶表示装置
FR2732783B1 (fr) * 1995-04-07 1997-05-16 Thomson Csf Dispositif compact de retroprojection
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
JPH09146061A (ja) * 1995-11-17 1997-06-06 Matsushita Electric Ind Co Ltd 液晶プロジェクション装置
FR2751398B1 (fr) * 1996-07-16 1998-08-28 Thomson Csf Dispositif d'eclairage et application a l'eclairage d'un ecran transmissif
US5975703A (en) 1996-09-30 1999-11-02 Digital Optics International Image projection system
US6356322B1 (en) * 1996-09-30 2002-03-12 Fuji Photo Film Co., Ltd. Liquid crystal display system with improved contrast and less dependence on visual angle
FR2755530B1 (fr) * 1996-11-05 1999-01-22 Thomson Csf Dispositif de visualisation et ecran plat de television utilisant ce dispositif
FR2755516B1 (fr) 1996-11-05 1999-01-22 Thomson Csf Dispositif compact d'illumination
US6050689A (en) * 1997-07-18 2000-04-18 Kabushiki Kaisha Toshiba Projection type display apparatus
US5973833A (en) * 1997-08-29 1999-10-26 Lightware, Inc. High efficiency polarizing converter
EP0901031B1 (de) * 1997-09-05 2004-10-13 Sharp Kabushiki Kaisha Dunkelfeld-Projektionsanzeigegerät
US6536903B2 (en) * 2001-05-29 2003-03-25 Aurora Systems, Inc. System and method for improving contrast in an electro-optical imaging system
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
US7630123B2 (en) 2004-09-27 2009-12-08 Qualcomm Mems Technologies, Inc. Method and device for compensating for color shift as a function of angle of view
US8872085B2 (en) 2006-10-06 2014-10-28 Qualcomm Mems Technologies, Inc. Display device having front illuminator with turning features
CN101600901A (zh) 2006-10-06 2009-12-09 高通Mems科技公司 集成于显示器的照明设备中的光学损失结构
WO2008045462A2 (en) 2006-10-10 2008-04-17 Qualcomm Mems Technologies, Inc. Display device with diffractive optics
US7573579B2 (en) * 2006-10-12 2009-08-11 Duke University Coded aperture imaging photopolarimetry
US8068710B2 (en) 2007-12-07 2011-11-29 Qualcomm Mems Technologies, Inc. Decoupled holographic film and diffuser
EP2247978A4 (de) 2008-01-30 2012-12-26 Qualcomm Mems Technologies Inc Dünnes beleuchtungssystem
US8721149B2 (en) 2008-01-30 2014-05-13 Qualcomm Mems Technologies, Inc. Illumination device having a tapered light guide
US9121979B2 (en) 2009-05-29 2015-09-01 Qualcomm Mems Technologies, Inc. Illumination devices and methods of fabrication thereof
US8902484B2 (en) 2010-12-15 2014-12-02 Qualcomm Mems Technologies, Inc. Holographic brightness enhancement film
CN114200679B (zh) * 2021-11-17 2024-03-26 小派科技（上海）有限责任公司 光学模组/系统、显示装置、头戴式显示设备和显示系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4650286A (en) * 1983-09-27 1987-03-17 Hughes Aircraft Company Liquid crystal light value color projector
WO1985001630A1 (en) * 1983-09-27 1985-04-11 Hughes Aircraft Company A novel liquid crystal light valve color projector
US5105265A (en) * 1988-01-25 1992-04-14 Casio Computer Co., Ltd. Projector apparatus having three liquid crystal panels
NL8801348A (nl) * 1988-05-26 1989-12-18 Philips Nv Belichtingsstelsel.
JPH0239084A (ja) * 1988-07-29 1990-02-08 Citizen Watch Co Ltd 画像投影装置
US5042921A (en) * 1988-10-25 1991-08-27 Casio Computer Co., Ltd. Liquid crystal display apparatus
US4913529A (en) * 1988-12-27 1990-04-03 North American Philips Corp. Illumination system for an LCD display system
NL8901077A (nl) * 1989-04-28 1990-11-16 Koninkl Philips Electronics Nv Optische belichtingsstelsel en projectie-apparaat voorzien van een dergelijk stelsel.
JPH03221917A (ja) * 1990-01-29 1991-09-30 Nippon Hoso Kyokai <Nhk> 画像表示装置
JP2915467B2 (ja) * 1990-02-22 1999-07-05 キヤノン株式会社 液晶プロジェクタ
FR2665773B1 (fr) * 1990-08-10 1993-08-20 Thomson Csf Dispositif de projection d'images utilisant deux composantes orthogonales de polarisation de la lumiere.
US5153621A (en) * 1991-10-31 1992-10-06 Nview Corporation Optical system for projecting multiple images in adjoining relation without illuminance discontinuities

Also Published As

Publication number Publication date
EP0527084A1 (de) 1993-02-10
US5272496A (en) 1993-12-21
DE69214228D1 (de) 1996-11-07
FR2680882A1 (fr) 1993-03-05
JPH05210080A (ja) 1993-08-20
FR2680882B1 (fr) 1993-10-29
JP3170356B2 (ja) 2001-05-28
EP0527084B1 (de) 1996-10-02

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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