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

Family Applications Before (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) EP1357416B1 (de)
JP (1) JP3473335B2 (de)
KR (1) KR100742101B1 (de)
CN (1) CN1129807C (de)
DE (2) DE69733504T2 (de)
TW (1) TW358892B (de)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997045768A1 (fr) * 1996-05-29 1997-12-04 Seiko Epson Corporation Dispositif d'affichage par projection
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
DE69727125T2 (de) * 1996-09-24 2004-11-11 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
US6394608B1 (en) * 1997-06-20 2002-05-28 Hitachi, Ltd. Display device and display optical system unit
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
JPH1152298A (ja) * 1997-07-31 1999-02-26 Sharp Corp 偏光照明装置及び投射型画像表示装置
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
JPH1164848A (ja) * 1997-08-25 1999-03-05 Minolta Co Ltd 液晶プロジェクタ
TW408229B (en) * 1997-10-09 2000-10-11 Seiko Epson Corp Projection display apparatus
US6067193A (en) * 1997-10-15 2000-05-23 Nikon Corporation Polarization device and projection type display apparatus
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
TW401709B (en) * 1997-12-01 2000-08-11 Matsushita Electric Ind Co Ltd Polaroid light illuminating apparature and a projective portrait display
TW346552B (en) * 1997-12-03 1998-12-01 Ind Tech Res Inst High efficiency polarization light source device for a liquid crystal projection system
FR2773223B1 (fr) * 1997-12-29 2001-12-07 Thomson Multimedia Sa Systeme de projection ou visualisation d'images
JPH11242118A (ja) * 1998-02-25 1999-09-07 Seiko Epson Corp 偏光分離素子、偏光変換素子および投写型表示装置
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
KR100353321B1 (ko) * 1998-06-08 2002-09-18 가부시키가이샤 히타치세이사쿠쇼 광학유닛 및 투사형표시장치
GB2340619A (en) * 1998-08-11 2000-02-23 Sharp Kk Liquid crystal projector with non-uniform lenslet arrays
JP2000075258A (ja) 1998-08-27 2000-03-14 Seiko Epson Corp 投写型表示装置
JP2000089364A (ja) * 1998-09-09 2000-03-31 Seiko Epson Corp 光変調装置およびこの光変調装置を利用した投写型表示装置
JP2000098296A (ja) * 1998-09-17 2000-04-07 Sharp Corp 投影型カラー画像表示装置
JP2000199883A (ja) * 1998-10-29 2000-07-18 Fujitsu Ltd 反射型プロジェクタ装置
US6478430B2 (en) * 1998-12-24 2002-11-12 Canon Kabushiki Kaisha Illumination apparatus and projection apparatus
JP2000194068A (ja) * 1998-12-25 2000-07-14 Seiko Epson Corp 照明光学系および投写型表示装置
JP2000206613A (ja) 1999-01-11 2000-07-28 Sony Corp 投射型表示装置
JP3603650B2 (ja) * 1999-03-08 2004-12-22 セイコーエプソン株式会社 調整機構及びこれを用いた投写型表示装置
JP3317915B2 (ja) * 1999-03-12 2002-08-26 エヌイーシービューテクノロジー株式会社 映像投射装置
US6457828B1 (en) * 1999-04-21 2002-10-01 Minolta Co., Ltd. Display optical apparatus
CN1183774C (zh) * 1999-06-28 2005-01-05 皇家菲利浦电子有限公司 包括带隧道棱镜的积光器装置的投影显示设备
US6280034B1 (en) * 1999-07-30 2001-08-28 Philips Electronics North America Corporation Efficient two-panel projection system employing complementary illumination
US7101047B2 (en) * 2000-03-31 2006-09-05 Sharp Laboratories Of America, Inc. Projection display systems for light valves
JP3453545B2 (ja) * 2000-04-04 2003-10-06 キヤノン株式会社 表示装置
JP3661569B2 (ja) * 2000-06-30 2005-06-15 セイコーエプソン株式会社 プロジェクタ
JP3794250B2 (ja) * 2000-07-17 2006-07-05 セイコーエプソン株式会社 プロジェクタ
JP3888045B2 (ja) * 2000-07-24 2007-02-28 セイコーエプソン株式会社 投写型表示装置
KR20020012377A (ko) * 2000-08-07 2002-02-16 구자홍 엘시디 프로젝터용 조명계의 미러 위치 조정 장치
JP2002090878A (ja) * 2000-09-20 2002-03-27 Seiko Epson Corp プロジェクタ
JP3738691B2 (ja) * 2001-01-05 2006-01-25 セイコーエプソン株式会社 光変調装置の位置調整装置、光変調装置の位置調整方法、および初期位置調整治具
US6688748B2 (en) 2001-01-12 2004-02-10 Aurora Systems, Inc. System and method for using off-axis illumination in a reflective projection system
EP1365273A4 (de) * 2001-02-27 2006-05-31 Seiko Epson Corp Optisches beleuchtungssystem und projektor damit
JP3919463B2 (ja) * 2001-04-26 2007-05-23 キヤノン株式会社 投射型画像表示装置および画像表示システム
US6511183B2 (en) * 2001-06-02 2003-01-28 Koninklijke Philips Electronics N.V. Digital image projector with oriented fixed-polarization-axis polarizing beamsplitter
JP2003043580A (ja) * 2001-07-30 2003-02-13 Mitsubishi Electric Corp ランプ、偏光変換光学系および画像表示装置
US6947025B2 (en) * 2001-10-09 2005-09-20 Seiko Epson Corporation Lighting apparatus and projection type display, and driving method therefore
US6637888B1 (en) * 2002-01-24 2003-10-28 Delta Electronics, Inc. Full color rear screen projection system using a single monochrome TFT LCD panel
US6869186B2 (en) * 2002-03-28 2005-03-22 Seiko Epson Corporation Optical device and projector
WO2003083573A1 (fr) * 2002-03-28 2003-10-09 Sanyo Electric Co., Ltd. Visualisateur d'images de type projecteur et dispositif d'eclairage
US7131737B2 (en) * 2002-06-05 2006-11-07 Moxtek, Inc. Housing for mounting a beamsplitter and a spatial light modulator with an output optical path
JP3873845B2 (ja) * 2002-08-07 2007-01-31 三菱電機株式会社 映像表示装置
US7095541B2 (en) * 2002-12-03 2006-08-22 Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science Method of generating area light source by scanning, scanning area light source and laser projection television using the same
TW547674U (en) * 2002-12-05 2003-08-11 Coretronic Corp Adjusting apparatus for projection lamp
TW555025U (en) * 2002-12-09 2003-09-21 Coretronic Corp Adjusting apparatus for light valve
JP4023314B2 (ja) * 2002-12-24 2007-12-19 セイコーエプソン株式会社 光学部品用筐体、光学装置、およびプロジェクタ
US6927545B2 (en) * 2003-03-10 2005-08-09 Richard S. Belliveau Image projection lighting device displays and interactive images
US6962459B2 (en) * 2003-08-12 2005-11-08 Sci Products Inc. Crash attenuator with cable and cylinder arrangement for decelerating vehicles
US7301586B2 (en) * 2004-03-31 2007-11-27 Himax Technologies, Inc. LCD TV and projection-based backlight system used therefor
US7404643B2 (en) * 2004-07-12 2008-07-29 Seiko Epson Corporation Projector having polarization conversion element
JP2006235161A (ja) * 2005-02-24 2006-09-07 Seiko Epson Corp プロジェクタ
JP2006301585A (ja) * 2005-03-22 2006-11-02 Seiko Epson Corp 光学製品および光学製品の製造方法
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
US20070091285A1 (en) * 2005-10-20 2007-04-26 Taiwan Micro Display Corporation LCOS optical engine illumination system
JP2008003215A (ja) * 2006-06-21 2008-01-10 Ｎｅｃディスプレイソリューションズ株式会社 照明光学系および投写型表示装置
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
TWM352059U (en) * 2008-06-18 2009-03-01 Coretronic Corp Lens adjusting device of projector
JP2011085798A (ja) * 2009-10-16 2011-04-28 Sanyo Electric Co Ltd レンズシフト機構および投写型映像表示装置
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
JP5924020B2 (ja) * 2012-02-16 2016-05-25 セイコーエプソン株式会社 プロジェクター、及び、プロジェクターの制御方法
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
US9524574B2 (en) * 2012-05-25 2016-12-20 Seiko Epson Corporation Data processing apparatus, display apparatus, and method of controlling the data processing apparatus
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

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61118707A (ja) * 1984-11-15 1986-06-06 Matsushita Electric Ind Co Ltd 固体撮像装置
US4645319A (en) * 1985-04-03 1987-02-24 Denes Fekete Composite optical image projection system
JPS62121503A (ja) 1985-11-22 1987-06-02 Mitsubishi Electric Corp 温度コントロ−ル装置
JPS63123019A (ja) * 1986-11-13 1988-05-26 Yokogawa Electric Corp 液晶デイスプレイマルチ投影装置
JPS6461716A (en) * 1987-08-31 1989-03-08 Canon Kk Illuminator
JP2696360B2 (ja) 1988-10-28 1998-01-14 旭光学工業株式会社 照明光学装置
NL8901077A (nl) * 1989-04-28 1990-11-16 Koninkl Philips Electronics Nv Optische belichtingsstelsel en projectie-apparaat voorzien van een dergelijk stelsel.
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
JP2915467B2 (ja) 1990-02-22 1999-07-05 キヤノン株式会社 液晶プロジェクタ
JP2906543B2 (ja) * 1990-03-07 1999-06-21 ミノルタ株式会社 マイクロリーダプリンタの照明系
JPH0430140A (ja) 1990-05-26 1992-02-03 Sharp Corp 投影型カラー液晶表示装置
JPH04127120A (ja) 1990-09-18 1992-04-28 Mitsubishi Electric Corp 投写型表示装置
JP3012374B2 (ja) * 1990-10-01 2000-02-21 旭光学工業株式会社 投影装置及び投影装置の画像調整方法
WO1992015041A1 (en) * 1991-02-22 1992-09-03 Seiko Epson Corporation Projection-type liquid crystalline projector
JP2989710B2 (ja) 1991-04-09 1999-12-13 キヤノン株式会社 板状偏光素子、該素子を備える偏光変換ユニット、および該ユニットを備える画像装置と画像投影装置
JPH0572455A (ja) * 1991-05-24 1993-03-26 Seiko Epson Corp 鏡の固定方法
JPH0515035A (ja) 1991-07-04 1993-01-22 Fujikura Ltd 電気接続箱
JPH0545702A (ja) 1991-08-15 1993-02-26 Ricoh Co Ltd 近距離撮影範囲拡大可能なカメラ
JPH05196892A (ja) 1992-01-21 1993-08-06 Canon Inc 偏光照明装置及び該偏光照明装置を用いた投写型表示装置
JP2973750B2 (ja) * 1992-03-31 1999-11-08 松下電器産業株式会社 照明光学装置とそれを用いた投写型表示装置
JP3413226B2 (ja) 1992-12-28 2003-06-03 セイコーエプソン株式会社 偏光変換装置及び投写型表示装置
JPH06202094A (ja) * 1992-12-28 1994-07-22 Seiko Epson Corp 投写型表示装置
DE69433600T2 (de) 1993-03-16 2005-02-03 Seiko Epson Corp. Projektionsanzeigevorrichtung
JPH07120753A (ja) 1993-10-25 1995-05-12 Kodo Eizo Gijutsu Kenkyusho:Kk 液晶プロジェクター
JP3508190B2 (ja) 1993-12-21 2004-03-22 セイコーエプソン株式会社 照明装置及び投写型表示装置
JP3473075B2 (ja) 1993-12-24 2003-12-02 セイコーエプソン株式会社 照明装置及び投写型表示装置
JPH07244282A (ja) 1994-03-04 1995-09-19 Canon Inc 照明装置及びそれを用いた投影装置
JP2827951B2 (ja) * 1994-05-16 1998-11-25 松下電器産業株式会社 投写型表示装置
JP3111806B2 (ja) 1994-05-31 2000-11-27 松下電器産業株式会社 信号記録再生装置
KR960013013A (ko) * 1994-09-15 1996-04-20 노봉규 투사형 액정 표시 장치
WO1996020424A1 (fr) * 1994-12-27 1996-07-04 Seiko Epson Corporation Visuel du type a projection
JPH08184797A (ja) * 1994-12-27 1996-07-16 Seiko Epson Corp 投写型表示装置
JPH07287205A (ja) 1995-03-08 1995-10-31 Casio Comput Co Ltd カラー液晶表示装置
US5755503A (en) * 1995-11-13 1998-05-26 Industrial Technology Research Institute Optical illumination system having improved efficiency and uniformity and projection instrument comprising such a system
US5662401A (en) * 1995-12-13 1997-09-02 Philips Electronics North America Corporation Integrating lens array and image forming method for improved optical efficiency
US5786939A (en) * 1996-02-26 1998-07-28 Fuji Photo Optical Co., Ltd. Illumination optical system
JP3767047B2 (ja) * 1996-04-26 2006-04-19 セイコーエプソン株式会社 投写型表示装置
JP2804744B2 (ja) * 1996-06-14 1998-09-30 松下電工株式会社 便器の洗浄装置
JP2931255B2 (ja) * 1996-07-04 1999-08-09 日本曹達株式会社 トイレ排水管のスケール防止方法

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

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