DE69734251D1 - Optische Beleuchtungsvorrichtung für Projektionsanzeigevorrichtung - Google Patents

Optische Beleuchtungsvorrichtung für Projektionsanzeigevorrichtung

Info

Publication number
DE69734251D1
DE69734251D1 DE69734251T DE69734251T DE69734251D1 DE 69734251 D1 DE69734251 D1 DE 69734251D1 DE 69734251 T DE69734251 T DE 69734251T DE 69734251 T DE69734251 T DE 69734251T DE 69734251 D1 DE69734251 D1 DE 69734251D1
Authority
DE
Germany
Prior art keywords
projection display
optical lighting
display device
lighting device
optical
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
DE69734251T
Other languages
English (en)
Other versions
DE69734251T2 (de
Inventor
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
Priority claimed from JP8215378A external-priority patent/JPH1039136A/ja
Priority claimed from JP35521096A external-priority patent/JP3486516B2/ja
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of DE69734251D1 publication Critical patent/DE69734251D1/de
Application granted granted Critical
Publication of DE69734251T2 publication Critical patent/DE69734251T2/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 
    • G02F1/015—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 semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • 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
    • 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
    • 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
    • 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)
  • Polarising Elements (AREA)
  • Projection Apparatus (AREA)
  • Optical Elements Other Than Lenses (AREA)
DE69734251T 1996-07-25 1997-07-23 Optische Beleuchtungsvorrichtung für Projektionsanzeigevorrichtung Expired - Lifetime DE69734251T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP8215378A JPH1039136A (ja) 1996-07-25 1996-07-25 光学素子および投写型表示装置
JP21537896 1996-07-25
JP21537796 1996-07-25
JP21537796 1996-07-25
JP35521096A JP3486516B2 (ja) 1996-07-25 1996-12-19 光学素子
JP35521096 1996-12-19

Publications (2)

Publication Number Publication Date
DE69734251D1 true DE69734251D1 (de) 2006-02-02
DE69734251T2 DE69734251T2 (de) 2006-05-11

Family

ID=27329751

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69725072T Expired - Lifetime DE69725072T2 (de) 1996-07-25 1997-07-23 Optisches Element für Projektionsanzeigevorrichtung
DE69721341T Expired - Lifetime DE69721341T2 (de) 1996-07-25 1997-07-23 Optisches Element für Projektionsanzeigevorrichtung
DE69734251T Expired - Lifetime DE69734251T2 (de) 1996-07-25 1997-07-23 Optische Beleuchtungsvorrichtung für Projektionsanzeigevorrichtung

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69725072T Expired - Lifetime DE69725072T2 (de) 1996-07-25 1997-07-23 Optisches Element für Projektionsanzeigevorrichtung
DE69721341T Expired - Lifetime DE69721341T2 (de) 1996-07-25 1997-07-23 Optisches Element für Projektionsanzeigevorrichtung

Country Status (6)

Country Link
US (3) US6404550B1 (de)
EP (4) EP1231498B1 (de)
KR (1) KR100523874B1 (de)
CN (1) CN1132029C (de)
DE (3) DE69725072T2 (de)
TW (1) TW393586B (de)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6404550B1 (en) * 1996-07-25 2002-06-11 Seiko Epson Corporation Optical element suitable for projection display apparatus
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
US6995917B1 (en) 1999-04-08 2006-02-07 Sharp Laboratories Of America, Inc. Projection display system using polarized light
TW455705B (en) 1999-07-05 2001-09-21 Seiko Epson Corp Manufacturing method of polarization transformation element
JP2001021719A (ja) 1999-07-12 2001-01-26 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
JP2001100029A (ja) * 1999-09-29 2001-04-13 Fujitsu General Ltd 偏光カラーフィルタ及びこのフィルタを用いた映像投影装置
US6781640B1 (en) 1999-11-15 2004-08-24 Sharp Laboratories Of America, Inc. Projection display having polarization compensator
JP2001343512A (ja) 2000-05-31 2001-12-14 Canon Inc 回折光学素子及びそれを有する光学系
JP2002182158A (ja) * 2000-12-12 2002-06-26 Ushio Inc 偏光ビームスプリッタを備えた光配向用偏光光照射装置
US6511183B2 (en) * 2001-06-02 2003-01-28 Koninklijke Philips Electronics N.V. Digital image projector with oriented fixed-polarization-axis polarizing beamsplitter
DE10127621A1 (de) 2001-06-07 2002-12-12 Zeiss Carl Jena Gmbh Anordnung zum Projizieren eines Bildes auf eine Projektionsfläche
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
JP2003014932A (ja) 2001-06-29 2003-01-15 Canon Inc 偏光ビームスプリッタ、および偏光ビームスプリッタの作成方法
US6949297B2 (en) * 2001-11-02 2005-09-27 3M Innovative Properties Company Hybrid adhesives, articles, and methods
US6860607B2 (en) * 2002-03-15 2005-03-01 Seiko Epson Corporation Integrator type illumination optical system and projector having the same
WO2003104853A2 (en) * 2002-06-10 2003-12-18 Reveo, Inc Scalable and mass-manufacturable oxc using liquid crystal cells
US6887917B2 (en) * 2002-12-30 2005-05-03 3M Innovative Properties Company Curable pressure sensitive adhesive compositions
US7927703B2 (en) * 2003-04-11 2011-04-19 3M Innovative Properties Company Adhesive blends, articles, and methods
US20040263974A1 (en) * 2003-06-26 2004-12-30 Optical Coating Laboratory Inc., A Jds Unipahse Company And A Corporation Of The State Of Delware Flat polarization conversion system with patterned retarder
US20050041288A1 (en) * 2003-08-19 2005-02-24 Liao Liu Liang Polarization conversion module and polarization conversion method thereof
US7234816B2 (en) * 2004-02-03 2007-06-26 3M Innovative Properties Company Polarizing beam splitter assembly adhesive
CN1301419C (zh) * 2004-03-22 2007-02-21 昂纳信息技术（深圳）有限公司 多激光光束复合装置
US7561323B2 (en) * 2004-09-27 2009-07-14 Idc, Llc Optical films for directing light towards active areas of displays
US10073264B2 (en) 2007-08-03 2018-09-11 Lumus Ltd. Substrate-guide optical device
IL166799A (en) * 2005-02-10 2014-09-30 Lumus Ltd Aluminum shale surfaces for use in a conductive substrate
GB2425846A (en) * 2005-04-20 2006-11-08 Bookham Technology Plc Multi component beam splitter with individual surface coatings
JP5030134B2 (ja) * 2005-08-18 2012-09-19 株式会社リコー 偏光変換素子、偏光変換光学系および画像投影装置
KR100634550B1 (ko) * 2005-08-24 2006-10-16 삼성전자주식회사 편광변환시스템 및 그 제조 방법 및 이를 적용한액정표시장치
IL171820A (en) * 2005-11-08 2014-04-30 Lumus Ltd A polarizing optical component for light coupling within a conductive substrate
US10261321B2 (en) 2005-11-08 2019-04-16 Lumus Ltd. Polarizing optical system
JP5226528B2 (ja) 2005-11-21 2013-07-03 マイクロビジョン，インク． 像誘導基板を有するディスプレイ
US20070229765A1 (en) * 2006-03-30 2007-10-04 Infocus Corporation Projection system and method
CN101241190B (zh) * 2007-04-25 2011-05-11 中国科学院安徽光学精密机械研究所 基于泽尼克模式的激光大气湍流强度廓线测量系统和方法
US7589901B2 (en) * 2007-07-10 2009-09-15 Microvision, Inc. Substrate-guided relays for use with scanned beam light sources
US8279523B2 (en) * 2007-08-22 2012-10-02 Seiko Epson Corporation Polarization conversion element and method for manufacturing the same
TWI391708B (zh) * 2007-12-25 2013-04-01 Ind Tech Res Inst 極化色彩分光裝置
CN101546045B (zh) * 2008-03-28 2012-08-15 红蝶科技(深圳)有限公司 偏振转换装置及使用其的投影系统
CN101576630B (zh) * 2008-05-06 2012-11-14 红蝶科技(深圳)有限公司 预偏振器及液晶投影系统
JP5334494B2 (ja) * 2008-08-20 2013-11-06 三菱電機株式会社 投写型表示装置
CN101366537B (zh) * 2008-08-26 2011-12-28 三门县琴海水产养殖有限公司 醉制青蟹及其加工方法
JP2010140888A (ja) * 2008-11-14 2010-06-24 Seiko Epson Corp 照明装置、プロジェクタ
JP5195354B2 (ja) * 2008-12-01 2013-05-08 セイコーエプソン株式会社 光学素子
CN101943800A (zh) * 2009-07-06 2011-01-12 Lg伊诺特有限公司 偏振转换装置及其制造方法
US8698705B2 (en) * 2009-12-04 2014-04-15 Vuzix Corporation Compact near eye display with scanned image generation
CN102906625A (zh) * 2010-05-19 2013-01-30 3M创新有限公司 蝇眼积分器偏振转换器
TWI406011B (zh) * 2010-06-18 2013-08-21 Univ Nat Taipei Technology 可增強光線中某一偏極態之光學系統與具有此系統之光源系統
JP5541056B2 (ja) * 2010-10-01 2014-07-09 セイコーエプソン株式会社 偏光変換素子、偏光変換ユニット、投射装置、及び偏光変換素子の製造方法
US8531773B2 (en) 2011-01-10 2013-09-10 Microvision, Inc. Substrate guided relay having a homogenizing layer
US8391668B2 (en) 2011-01-13 2013-03-05 Microvision, Inc. Substrate guided relay having an absorbing edge to reduce alignment constraints
JP5919622B2 (ja) * 2011-01-21 2016-05-18 セイコーエプソン株式会社 偏光変換素子、偏光変換ユニット及び投写型映像装置
TW201303375A (zh) * 2011-07-08 2013-01-16 Asia Optical Co Inc 光學極性轉換系統
JP5953835B2 (ja) * 2011-09-07 2016-07-20 セイコーエプソン株式会社 プロジェクター
CN105301882A (zh) * 2011-09-07 2016-02-03 精工爱普生株式会社 投影机
CN103376633B (zh) * 2012-04-17 2015-06-24 台达电子工业股份有限公司 一种用于投影装置的光源系统及投影装置
DE102012210808B4 (de) * 2012-06-26 2018-05-17 Sypro Optics Gmbh Head-up Display und Projektionsoptik für ein Head-up Display
CN104428696B (zh) * 2012-06-27 2019-01-18 3M创新有限公司 光学部件阵列
US9864178B2 (en) * 2013-04-12 2018-01-09 Sharp Kabushiki Kaisha Reflection imaging device and method of producing reflection imaging device
CN105339818B (zh) * 2013-06-27 2018-07-06 迪睿合株式会社 偏振光转换器、偏振光转换器的制造方法以及光学设备
JP6186311B2 (ja) 2013-06-27 2017-08-23 デクセリアルズ株式会社 偏光変換素子、光源ユニット及び光学機器
JP6287037B2 (ja) * 2013-10-16 2018-03-07 セイコーエプソン株式会社 偏光変換素子、プロジェクター、および偏光変換素子の製造方法
IL232197B (en) 2014-04-23 2018-04-30 Lumus Ltd Compact head-up display system
IL235642B (en) 2014-11-11 2021-08-31 Lumus Ltd A compact head-up display system is protected by an element with a super-thin structure
US20170336543A1 (en) * 2014-11-13 2017-11-23 Heptagon Micro Optics Pte. Ltd. Manufacture of optical light guides
CN106154640B (zh) * 2015-03-31 2020-02-21 联想(北京)有限公司 显示组件和电子设备
CN113156647B (zh) 2016-10-09 2023-05-23 鲁姆斯有限公司 光学装置
KR102310397B1 (ko) 2016-11-08 2021-10-08 루머스 리미티드 광학 컷오프 에지를 구비한 도광 장치 및 그 제조 방법
CN110431467A (zh) 2017-01-28 2019-11-08 鲁姆斯有限公司 增强现实成像系统
TWI754010B (zh) 2017-02-22 2022-02-01 以色列商魯姆斯有限公司 導光光學組件
WO2018169968A1 (en) 2017-03-16 2018-09-20 Invensas Corporation Direct-bonded led arrays and applications
KR102501345B1 (ko) 2017-03-22 2023-02-17 루머스 리미티드 중첩 파셋
IL251645B (en) 2017-04-06 2018-08-30 Lumus Ltd Waveguide and method of production
JP7174929B2 (ja) 2017-07-19 2022-11-18 ルムス エルティーディー． Ｌｏｅを介するｌｃｏｓ照明
MX2020002402A (es) 2018-01-02 2020-07-22 Lumus Ltd Pantallas de realidad aumentada con alineacion activa y metodos correspondientes.
US10551544B2 (en) 2018-01-21 2020-02-04 Lumus Ltd. Light-guide optical element with multiple-axis internal aperture expansion
US11169326B2 (en) 2018-02-26 2021-11-09 Invensas Bonding Technologies, Inc. Integrated optical waveguides, direct-bonded waveguide interface joints, optical routing and interconnects
US11256004B2 (en) * 2018-03-20 2022-02-22 Invensas Bonding Technologies, Inc. Direct-bonded lamination for improved image clarity in optical devices
IL259518B2 (en) 2018-05-22 2023-04-01 Lumus Ltd Optical system and method for improving light field uniformity
AU2019274687B2 (en) 2018-05-23 2023-05-11 Lumus Ltd. Optical system including light-guide optical element with partially-reflective internal surfaces
US11415812B2 (en) 2018-06-26 2022-08-16 Lumus Ltd. Compact collimating optical device and system
TWI830753B (zh) 2018-07-16 2024-02-01 以色列商魯姆斯有限公司 光導光學元件和用於向觀察者的眼睛提供圖像的顯示器
IL281242B2 (en) 2018-09-09 2024-06-01 Lumus Ltd Optical systems that include light-guiding optical elements with two-dimensional expansion
WO2020054362A1 (ja) 2018-09-11 2020-03-19 ソニー株式会社 偏光分離素子、およびプロジェクタ
CN109188700B (zh) * 2018-10-30 2021-05-11 京东方科技集团股份有限公司 光学显示系统及ar/vr显示装置
TW202026685A (zh) 2018-11-08 2020-07-16 以色列商魯姆斯有限公司 具有反射鏡的光導顯示器
DE102019200193B3 (de) * 2019-01-09 2020-02-06 Carl Zeiss Smt Gmbh Optisches System für eine Projektionsbelichtungsanlage
TWI820285B (zh) 2019-01-15 2023-11-01 以色列商魯姆斯有限公司 製造對稱光導光學元件的方法
EP4220276A3 (de) 2019-01-24 2023-08-09 Lumus Ltd. Optische systeme mit loe mit dreistufiger expansion
KR102651647B1 (ko) 2019-03-12 2024-03-26 루머스 리미티드 이미지 프로젝터
WO2020212835A1 (en) * 2019-04-15 2020-10-22 Lumus Ltd. Method of fabricating a light-guide optical element
WO2020261279A1 (en) 2019-06-27 2020-12-30 Lumus Ltd. Apparatus and methods for eye tracking based on eye imaging via a light-guide optical element
IL309979A (en) 2019-07-04 2024-03-01 Lumus Ltd Figure waveguide with symmetric light beam multiplication
TW202127106A (zh) * 2019-09-04 2021-07-16 以色列商魯姆斯有限公司 具有二向色光束組合器的光學裝置、結合二向色光束組合器使用的光學裝置及其製造方法
CN110673242B (zh) * 2019-10-14 2022-08-26 江西师范大学 一种偏振可调谐硅基光学吸波器及其制备方法
KR20240008402A (ko) 2019-11-25 2024-01-18 루머스 리미티드 도파관의 표면을 폴리싱하는 방법
IL270991B (en) 2019-11-27 2020-07-30 Lumus Ltd A light guide with an optical element to perform polarization mixing
CA3223538C (en) 2019-12-05 2024-02-20 Lumus Ltd Light-guide optical element employing complementary coated partial reflectors, and light-guide optical element having reduced light scattering
JP7497079B2 (ja) 2019-12-08 2024-06-10 ルーマス リミテッド コンパクト画像プロジェクタを備える光学系
US11762200B2 (en) 2019-12-17 2023-09-19 Adeia Semiconductor Bonding Technologies Inc. Bonded optical devices
IL294151A (en) 2019-12-30 2022-08-01 Lumus Ltd Optical systems including light-guiding optical elements with two-dimensional expansion
IL297051B2 (en) 2020-05-24 2023-10-01 Lumus Ltd Manufacturing method of light-conducting optical components
JP7421839B2 (ja) 2020-11-09 2024-01-25 ルーマス リミテッド Ａｒシステムにおける色補正された後方反射
WO2022180634A1 (en) 2021-02-25 2022-09-01 Lumus Ltd. Optical aperture multipliers having a rectangular waveguide
CN116635773A (zh) 2021-03-01 2023-08-22 鲁姆斯有限公司 具有从投影仪到波导中的紧凑耦合的光学系统
IL308019B2 (en) 2021-05-19 2024-06-01 Lumus Ltd Active optical engine
WO2022259234A1 (en) 2021-06-07 2022-12-15 Lumus Ltd. Methods of fabrication of optical aperture multipliers having rectangular waveguide
JP7475757B2 (ja) 2021-07-04 2024-04-30 ルーマス リミテッド 積層導光素子が視野の異なる部分を提供するディスプレイ
CN117651892A (zh) 2021-08-23 2024-03-05 鲁姆斯有限公司 具有嵌入式耦入反射器的复合光导光学元件的制造方法

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE935663C (de) 1950-02-28 1955-11-24 Jenaer Glaswerk Schott & Gen Lichtquelle fuer polarisiertes Licht
US2748659A (en) 1951-02-26 1956-06-05 Jenaer Glaswerk Schott & Gen Light source, searchlight or the like for polarized light
US3743380A (en) * 1972-01-31 1973-07-03 Us Navy Polarized light source for underwater use
CH558023A (de) * 1972-08-29 1975-01-15 Battelle Memorial Institute Polarisationsvorrichtung.
GB2153546A (en) 1984-02-02 1985-08-21 Pilkington Perkin Elmer Ltd Optical filtering devices
US4709144A (en) 1986-04-02 1987-11-24 Hewlett-Packard Company Color imager utilizing novel trichromatic beamsplitter and photosensor
KR920010621B1 (ko) 1988-09-12 1992-12-12 후지쓰 가부시끼가이샤 광학부품용기재와그의제조방법및그를사용한광학제품
US5157526A (en) * 1990-07-06 1992-10-20 Hitachi, Ltd. Unabsorbing type polarizer, method for manufacturing the same, polarized light source using the same, and apparatus for liquid crystal display using the same
US5096520A (en) 1990-08-01 1992-03-17 Faris Sades M Method for producing high efficiency polarizing filters
JP3273955B2 (ja) 1991-04-09 2002-04-15 キヤノン株式会社 画像投影装置
US5751480A (en) 1991-04-09 1998-05-12 Canon Kabushiki Kaisha Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit
US5381278A (en) * 1991-05-07 1995-01-10 Canon Kabushiki Kaisha Polarization conversion unit, polarization illumination apparatus provided with the unit, and projector provided with the apparatus
JPH05241103A (ja) 1992-02-21 1993-09-21 Nec Corp 投射型液晶表示装置
JP2773562B2 (ja) 1992-07-28 1998-07-09 日本電気株式会社 信号系列検出方法
JPH0682623A (ja) 1992-08-31 1994-03-25 Nippon Telegr & Teleph Corp <Ntt> 光ビーム分離素子及びその作製方法
JP2639312B2 (ja) 1993-07-27 1997-08-13 佐野富士光機株式会社 プリズムアセンブリの製造方法
JPH07221930A (ja) 1994-02-08 1995-08-18 Fuji Xerox Co Ltd カラー画像読取装置
JP2765471B2 (ja) 1994-02-15 1998-06-18 日本電気株式会社 投写型液晶表示装置
JPH07294906A (ja) 1994-04-28 1995-11-10 Nippon Hoso Kyokai <Nhk> 映像表示装置
JPH08114765A (ja) 1994-10-15 1996-05-07 Fujitsu Ltd 偏光分離・変換素子並びにこれを用いた偏光照明装置及び投射型表示装置
US5650873A (en) * 1995-01-30 1997-07-22 Lockheed Missiles & Space Company, Inc. Micropolarization apparatus
TW401530B (en) 1996-03-12 2000-08-11 Seiko Epson Corp Polarized light separation device, method of fabricating the same and projection display apparatus using the polarized light separation device
US6404550B1 (en) * 1996-07-25 2002-06-11 Seiko Epson Corporation Optical element suitable for projection display apparatus
JP3473335B2 (ja) 1996-08-19 2003-12-02 セイコーエプソン株式会社 投写型表示装置
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
US6067193A (en) * 1997-10-15 2000-05-23 Nikon Corporation Polarization device and projection type display apparatus
TW401709B (en) * 1997-12-01 2000-08-11 Matsushita Electric Ind Co Ltd Polaroid light illuminating apparature and a projective portrait display
JPH11218724A (ja) * 1998-01-29 1999-08-10 Fuji Photo Optical Co Ltd 照明用光学系およびこれを用いた液晶プロジェクタ装置
JP3832076B2 (ja) * 1998-02-16 2006-10-11 セイコーエプソン株式会社 偏光照明装置および投写型表示装置
TW455705B (en) * 1999-07-05 2001-09-21 Seiko Epson Corp Manufacturing method of polarization transformation element

Also Published As

Publication number Publication date
DE69725072T2 (de) 2004-06-09
EP1231498B1 (de) 2005-09-21
TW393586B (en) 2000-06-11
EP0821258B1 (de) 2003-09-24
EP1231498A1 (de) 2002-08-14
DE69721341T2 (de) 2004-02-26
DE69721341D1 (de) 2003-05-28
EP1231499A3 (de) 2002-08-21
US6404550B1 (en) 2002-06-11
CN1172956A (zh) 1998-02-11
US6728020B2 (en) 2004-04-27
DE69734251T2 (de) 2006-05-11
EP1055955B1 (de) 2003-04-23
KR100523874B1 (ko) 2005-10-26
EP1055955A3 (de) 2001-01-24
EP0821258A2 (de) 1998-01-28
DE69725072D1 (de) 2003-10-30
US20020089746A1 (en) 2002-07-11
CN1132029C (zh) 2003-12-24
US6523962B2 (en) 2003-02-25
US20020080487A1 (en) 2002-06-27
EP0821258A3 (de) 1999-04-07
EP1055955A2 (de) 2000-11-29
EP1231499A2 (de) 2002-08-14

Similar Documents

Publication Publication Date Title
DE69734251D1 (de) Optische Beleuchtungsvorrichtung für Projektionsanzeigevorrichtung
DE69735875D1 (de) Lichtquelle für Flüssigkristall-Projektor
DE69727090D1 (de) Wiedergabeanordnung für optische Platten
DE69724115D1 (de) Projektionslinse für flüssigkristallanzeige
DE69715554D1 (de) Optische Einrichtung für Verschiebungsdetektion
DE69800492T2 (de) Prüfvorrichtung für optische Komponenten
DE69729584D1 (de) Multifokale optische kompositlinse
DE69612489D1 (de) Beleuchtungseinheit für eine optische vorrichtung
DE19882819T1 (de) Optische Empfangsvorrichtung
DE69713081T2 (de) Polarisationleuchtungssystem für lcd projektor
DE69626892D1 (de) Optische Modulationsvorrichtung für ein Bildanzeigegerät
DE69833152D1 (de) Linse für Lichtdetektor
DE69830441D1 (de) Optisches Beleuchtungssystem und Anzeigegerät vom Projektionstyp
DE69738383D1 (de) Optisches Beleuchtungssystem für eine Projektionsvorrichtung
DE69615599D1 (de) Gerät für optische Platten
DE69731254D1 (de) Optische Wellenleitervorrichtung
DE69512032T2 (de) Optische zeitbereichreflektometrie
DE19882818T1 (de) Optische Empfangsvorrichtung
DE69730921D1 (de) Optisches Messgerät mit wellenlängenselektiver Lichtquelle
DE69410130D1 (de) Schaltvorrichtung für optische Fibern
DE69840155D1 (de) Optische Wellenleiter für Fahrzeugbeleuchtung
DE69534560D1 (de) Optische Rangierverteiler
DE69613871T2 (de) Optische Einrichtung
DE69734330D1 (de) Optische Empfangsvorrichtung
DE59704038D1 (de) Optische positionsmesseinrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: KUDLEK & GRUNERT PATENTANWAELTE PARTNERSCHAFT, 803