DE69827560D1 - Parallelplatten-Strahlteiler in Glas mit hohem Brechungsindex - Google Patents

Parallelplatten-Strahlteiler in Glas mit hohem Brechungsindex

Info

Publication number
DE69827560D1
DE69827560D1 DE69827560T DE69827560T DE69827560D1 DE 69827560 D1 DE69827560 D1 DE 69827560D1 DE 69827560 T DE69827560 T DE 69827560T DE 69827560 T DE69827560 T DE 69827560T DE 69827560 D1 DE69827560 D1 DE 69827560D1
Authority
DE
Germany
Prior art keywords
glass
refractive index
beam splitter
high refractive
parallel plate
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
DE69827560T
Other languages
English (en)
Other versions
DE69827560T2 (de
Inventor
Ralph J Gagnon
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE69827560D1 publication Critical patent/DE69827560D1/de
Application granted granted Critical
Publication of DE69827560T2 publication Critical patent/DE69827560T2/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
    • G02B27/14—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
    • G02B27/28—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
    • 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
    • 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
DE69827560T 1997-08-20 1998-08-18 Parallelplatten-Strahlteiler in Glas mit hohem Brechungsindex Expired - Lifetime DE69827560T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US915149 1997-08-20
US08/915,149 US5959773A (en) 1997-08-20 1997-08-20 Parallel plate beam splitter configuration in high index glass

Publications (2)

Publication Number Publication Date
DE69827560D1 true DE69827560D1 (de) 2004-12-23
DE69827560T2 DE69827560T2 (de) 2005-11-24

Family

ID=25435308

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69827560T Expired - Lifetime DE69827560T2 (de) 1997-08-20 1998-08-18 Parallelplatten-Strahlteiler in Glas mit hohem Brechungsindex

Country Status (3)

Country Link
US (1) US5959773A (de)
EP (1) EP0898194B1 (de)
DE (1) DE69827560T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6183091B1 (en) * 1995-04-07 2001-02-06 Colorlink, Inc. Color imaging systems and methods
US6529250B1 (en) 1997-05-22 2003-03-04 Seiko Epson Corporation Projector
JP3555451B2 (ja) * 1998-06-22 2004-08-18 ミノルタ株式会社 偏光変換ダイクロイックミラーと液晶プロジェクター
US6177967B1 (en) * 1998-09-28 2001-01-23 Three-Five Systems, Inc Voltage tuning of LCD polarization state by varying drive voltage to compensate for optical misalignment
KR100283878B1 (ko) * 1999-01-20 2001-02-15 윤종용 콘트라스트비를 높히기 위한 반사형 디스플레이장치
US6550919B1 (en) * 1999-03-26 2003-04-22 Unaxis Balzers Aktiengesellschaft Spectral light division and recombination configuration as well as process for the spectrally selective modulation of light
JP4637370B2 (ja) * 1999-05-14 2011-02-23 リアルディー インコーポレイテッド 変調カラー画像を形成するための光学システム
US6160665A (en) * 1999-06-04 2000-12-12 Chorum Technologies Inc. High extinction ratio polarization beamsplitter
CN1192272C (zh) * 1999-11-22 2005-03-09 皇家菲利浦电子有限公司 图象投影系统
US6469834B1 (en) 2000-11-16 2002-10-22 Koninklijke Philips Electronics N.V. System and method for elimination of scattered side lobes created by integrator lenslet arrays
KR100381050B1 (ko) * 2000-12-02 2003-04-18 엘지전자 주식회사 액정 프로젝터의 광학계
AU2002338244A1 (en) * 2001-03-22 2002-10-15 Ese Embedded System Engineering Gmbh Device for the simultaneous detection of radiation of different wavelength
US6747710B2 (en) 2001-12-03 2004-06-08 Thomson Licensing S.A. Light valve projector architecture
JP2006243500A (ja) * 2005-03-04 2006-09-14 Fujitsu Ltd 波長分散補償器
JP4939161B2 (ja) * 2006-10-02 2012-05-23 キヤノン株式会社 画像表示装置
TWI439729B (zh) * 2011-08-05 2014-06-01 Asia Optical Co Inc Three - color light synthesis device
CN102998801B (zh) * 2011-09-09 2015-04-22 亚洲光学股份有限公司 三色光合成装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127322A (en) * 1975-12-05 1978-11-28 Hughes Aircraft Company High brightness full color image light valve projection system
CA1218546A (en) * 1981-12-28 1987-03-03 Robert T. Carson High efficiency optical system for three-color liquid crystal light valve image projection with color selective prepolarization
US4836649A (en) * 1985-07-12 1989-06-06 Hughes Aircraft Company Optical layout for a three light valve full-color projector employing a dual relay lens system and a single projection lens
US5267029A (en) * 1989-12-28 1993-11-30 Katsumi Kurematsu Image projector
JP2915467B2 (ja) * 1990-02-22 1999-07-05 キヤノン株式会社 液晶プロジェクタ
US5229872A (en) * 1992-01-21 1993-07-20 Hughes Aircraft Company Exposure device including an electrically aligned electronic mask for micropatterning
WO1994023540A1 (en) * 1993-03-31 1994-10-13 Hughes-Jvc Technology Corporation Single projection lens color projection system
JP3402527B2 (ja) * 1994-10-28 2003-05-06 セイコーインスツルメンツ株式会社 反射型カラー画像投影装置
US5625491A (en) * 1995-03-15 1997-04-29 Spectra-Physics Lasers, Inc. Broad band polarizing beam splitter

Also Published As

Publication number Publication date
EP0898194B1 (de) 2004-11-17
US5959773A (en) 1999-09-28
DE69827560T2 (de) 2005-11-24
EP0898194A1 (de) 1999-02-24

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