DE69725401D1 - Projektionsanzeigevorrichtung - Google Patents

Projektionsanzeigevorrichtung

Info

Publication number
DE69725401D1
DE69725401D1 DE69725401T DE69725401T DE69725401D1 DE 69725401 D1 DE69725401 D1 DE 69725401D1 DE 69725401 T DE69725401 T DE 69725401T DE 69725401 T DE69725401 T DE 69725401T DE 69725401 D1 DE69725401 D1 DE 69725401D1
Authority
DE
Germany
Prior art keywords
display device
projection display
projection
display
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
DE69725401T
Other languages
English (en)
Other versions
DE69725401T2 (de
Inventor
Toshiaki Hashizume
Hisashi Iechika
Yasunori Ogawa
Shinji Haba
Akitaka Yajima
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE69725401D1 publication Critical patent/DE69725401D1/de
Publication of DE69725401T2 publication Critical patent/DE69725401T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G02B27/1026—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources for use with reflective 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
    • 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
    • G02B27/1073—Beam splitting or combining systems characterized by manufacturing or alignment methods
    • 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
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • 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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • G02B27/285—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining comprising arrays of elements, e.g. microprisms
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • 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
    • H04N9/317—Convergence or focusing systems
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
DE69725401T 1996-08-19 1997-08-15 Projektionsanzeigevorrichtung Expired - Lifetime DE69725401T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP21765296 1996-08-19
JP21765296 1996-08-19
JP19000497 1997-07-15
JP19000497A JP3473335B2 (ja) 1996-08-19 1997-07-15 投写型表示装置

Publications (2)

Publication Number Publication Date
DE69725401D1 true DE69725401D1 (de) 2003-11-13
DE69725401T2 DE69725401T2 (de) 2004-05-19

Family

ID=26505806

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69725401T Expired - Lifetime DE69725401T2 (de) 1996-08-19 1997-08-15 Projektionsanzeigevorrichtung
DE69733504T Expired - Lifetime DE69733504T2 (de) 1996-08-19 1997-08-15 Verfahren zur Justage von Elementen in einem Projektor mit Flüssigkristall-Lichtmodulatoren

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69733504T Expired - Lifetime DE69733504T2 (de) 1996-08-19 1997-08-15 Verfahren zur Justage von Elementen in einem Projektor mit Flüssigkristall-Lichtmodulatoren

Country Status (7)

Country Link
US (5) US5865521A (de)
EP (2) EP0825472B1 (de)
JP (1) JP3473335B2 (de)
KR (1) KR100742101B1 (de)
CN (1) CN1129807C (de)
DE (2) DE69725401T2 (de)
TW (1) TW358892B (de)

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JP3371291B2 (ja) * 1996-05-29 2003-01-27 セイコーエプソン株式会社 投写型表示装置
US6497485B1 (en) * 2000-01-20 2002-12-24 Seiko Epson Corporation Image projection system having uniform brightness
DE19624991A1 (de) * 1996-06-22 1998-01-02 Philips Patentverwaltung Lichtprojektionsanordnung mit einem Linsenplattenintegrator
US6404550B1 (en) 1996-07-25 2002-06-11 Seiko Epson Corporation Optical element suitable for projection display apparatus
JP3791130B2 (ja) * 1996-08-19 2006-06-28 セイコーエプソン株式会社 投写型表示装置
US6109752A (en) * 1996-08-26 2000-08-29 Seiko Epson Corporation Lighting device and projector
DE69735782T2 (de) * 1996-09-24 2006-10-26 Seiko Epson Corp. Projektionsanzeigevorrichtung mit einer Lichtquelle
TW434444B (en) * 1996-10-30 2001-05-16 Seiko Epson Corp Projection display and illuminating optical system for it
TW372281B (en) * 1996-11-25 1999-10-21 Koninkl Philips Electronics Nv Illumination system and image projection device provided with such an illumination system
JP3298437B2 (ja) * 1996-12-18 2002-07-02 セイコーエプソン株式会社 光学素子、偏光照明装置および投写型表示装置
US6257726B1 (en) * 1997-02-13 2001-07-10 Canon Kabushiki Kaisha Illuminating apparatus and projecting apparatus
US6028703A (en) * 1997-03-14 2000-02-22 Nikon Corporation High-efficiency polarizing arrangement and projection apparatus using the same
EP1365282B1 (de) * 1997-05-20 2005-05-04 Seiko Epson Corporation Optisches Modulationselement und Projektionsanzeigevorrichtung
US6529250B1 (en) * 1997-05-22 2003-03-04 Seiko Epson Corporation Projector
JP3635867B2 (ja) * 1997-06-03 2005-04-06 株式会社日立製作所 投射型液晶表示装置
JP3090480B2 (ja) * 1997-06-20 2000-09-18 株式会社日立製作所 表示装置及び表示光学系部
JP3103822B2 (ja) * 1997-07-15 2000-10-30 日本電気株式会社 投射型カラー液晶表示装置
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JPH1164787A (ja) * 1997-08-21 1999-03-05 Seiko Epson Corp 投写型表示装置
JP3480256B2 (ja) * 1997-08-22 2003-12-15 ミノルタ株式会社 投影光学装置
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JPH11212023A (ja) * 1997-11-18 1999-08-06 Seiko Epson Corp 照明光学系および投写型表示装置
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JP3610764B2 (ja) * 1998-02-25 2005-01-19 セイコーエプソン株式会社 光学装置、及びこれを備えた投写型表示装置
JP3163056B2 (ja) * 1998-02-26 2001-05-08 三洋電機株式会社 投写装置
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JP4394609B2 (ja) * 2005-06-06 2010-01-06 Ｎｅｃディスプレイソリューションズ株式会社 投写型表示装置の光学ユニットおよび投写型表示装置
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JP4525945B2 (ja) * 2007-08-07 2010-08-18 セイコーエプソン株式会社 画像処理システム、プロジェクタ、プログラムおよび情報記憶媒体
JP4618585B2 (ja) * 2007-10-10 2011-01-26 Ｎｅｃディスプレイソリューションズ株式会社 光学ユニットおよび投写型表示装置
JP5125700B2 (ja) * 2008-04-04 2013-01-23 パナソニック株式会社 レンズ保持装置およびそれを用いた投影型表示装置
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CN105372912B (zh) * 2011-07-14 2017-11-17 精工爱普生株式会社 反射型偏振板装置、电光学装置、光学装置以及投影仪
CN102928940A (zh) * 2011-08-11 2013-02-13 中强光电股份有限公司 光学投影系统及其镜片调整装置
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JP6078976B2 (ja) 2012-04-12 2017-02-15 セイコーエプソン株式会社 プロジェクター
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JP2019035922A (ja) * 2017-08-21 2019-03-07 セイコーエプソン株式会社 照明装置およびプロジェクター
CN107728415B (zh) * 2017-10-20 2024-04-26 中国华录·松下电子信息有限公司 超短焦投影机及其偏光板调整与光学系检查方法

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EP0825472A2 (de) 1998-02-25
USRE38084E1 (en) 2003-04-22
CN1175707A (zh) 1998-03-11
DE69733504T2 (de) 2005-11-03
EP1357416A2 (de) 2003-10-29
DE69733504D1 (de) 2005-07-14
US5865521A (en) 1999-02-02
EP0825472B1 (de) 2003-10-08
DE69725401T2 (de) 2004-05-19
KR100742101B1 (ko) 2007-12-31
CN1129807C (zh) 2003-12-03
EP1357416A3 (de) 2004-01-07
USRE41680E1 (en) 2010-09-14
JP3473335B2 (ja) 2003-12-02
EP0825472A3 (de) 1999-04-21
USRE39702E1 (en) 2007-06-26
US6000802A (en) 1999-12-14
JPH10115803A (ja) 1998-05-06
TW358892B (en) 1999-05-21
KR19980018733A (ko) 1998-06-05
EP1357416B1 (de) 2005-06-08

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