DE69221002D1 - Plattenförmiges polarisierendes Element, polarisierende Umwandlungseinheit mit diesem Element und ein Projektor mit dieser Einheit - Google Patents

Plattenförmiges polarisierendes Element, polarisierende Umwandlungseinheit mit diesem Element und ein Projektor mit dieser Einheit

Info

Publication number
DE69221002D1
DE69221002D1 DE69221002T DE69221002T DE69221002D1 DE 69221002 D1 DE69221002 D1 DE 69221002D1 DE 69221002 T DE69221002 T DE 69221002T DE 69221002 T DE69221002 T DE 69221002T DE 69221002 D1 DE69221002 D1 DE 69221002D1
Authority
DE
Germany
Prior art keywords
light
polarizing
plate
unit
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 - Lifetime
Application number
DE69221002T
Other languages
English (en)
Other versions
DE69221002T2 (de
Inventor
Hideaki Mitsutake
Noritaka Mochizuki
Shigeru Kawasaki
Kazumi Kimura
Junko Shingaki
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69221002D1 publication Critical patent/DE69221002D1/de
Publication of DE69221002T2 publication Critical patent/DE69221002T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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]
    • H04N9/3102—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
DE69221002T 1991-04-09 1992-04-08 Plattenförmiges polarisierendes Element, polarisierende Umwandlungseinheit mit diesem Element und ein Projektor mit dieser Einheit Expired - Lifetime DE69221002T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10333491A JP3273955B2 (ja) 1991-04-09 1991-04-09 画像投影装置

Publications (2)

Publication Number Publication Date
DE69221002D1 true DE69221002D1 (de) 1997-09-04
DE69221002T2 DE69221002T2 (de) 1998-02-12

Family

ID=14351262

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221002T Expired - Lifetime DE69221002T2 (de) 1991-04-09 1992-04-08 Plattenförmiges polarisierendes Element, polarisierende Umwandlungseinheit mit diesem Element und ein Projektor mit dieser Einheit

Country Status (6)

Country Link
US (2) US5566367A (de)
EP (1) EP0508413B1 (de)
JP (1) JP3273955B2 (de)
AT (1) ATE155898T1 (de)
CA (1) CA2065584C (de)
DE (1) DE69221002T2 (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2830534B2 (ja) * 1991-09-18 1998-12-02 日本電気株式会社 偏光変換素子
EP0765491B1 (de) * 1994-06-01 2006-08-02 Koninklijke Philips Electronics N.V. Beleuchtungsgerät mit hohem wirkungsgrad und dieses gerät enthaltende projektionseinrichtung
WO1996005534A1 (en) * 1994-08-09 1996-02-22 Philips Electronics N.V. Illumination system for supplying a polarized radiation beam, and image projection device comprising such an illumination system
EP0753780B1 (de) * 1994-12-28 2005-03-02 Seiko Epson Corporation Beleuchtungsvorrichtung mit polarisiertem licht und projektionsanzeigevorrichtung
US5650873A (en) * 1995-01-30 1997-07-22 Lockheed Missiles & Space Company, Inc. Micropolarization apparatus
US6081378A (en) * 1995-04-24 2000-06-27 Polycom, Inc. High efficiency homogeneous polarization converter
US5757547A (en) * 1995-04-24 1998-05-26 Polycom, Inc. High efficiency homogeneous polarization converter
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
US6497485B1 (en) 2000-01-20 2002-12-24 Seiko Epson Corporation Image projection system having uniform brightness
TW358890B (en) 1996-06-25 1999-05-21 Seiko Epson Corp Polarizing converter, polarizing lighting, display and projection using these elements
KR100474524B1 (ko) * 1996-07-25 2005-07-12 세이코 엡슨 가부시키가이샤 투사형표시장치용광학소자
US6404550B1 (en) 1996-07-25 2002-06-11 Seiko Epson Corporation Optical element suitable for projection display apparatus
GB2317524A (en) * 1996-09-19 1998-03-25 Sharp Kk Three dimensional stereoscopic projection display
FR2754355B1 (fr) * 1996-10-08 1998-12-04 Corning Inc Convertisseur de lumiere blanche naturelle en lumiere a polarisation plane
US6493159B1 (en) * 1996-11-01 2002-12-10 Unaxis Balzers Aktiengesellschaft Optical element and its manufacturing process
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
WO1998043225A2 (en) 1997-03-25 1998-10-01 Sharp Kabushiki Kaisha Optical device for polarization conversion and projection display using said device
EP0868088A1 (de) * 1997-03-27 1998-09-30 GRETAG Aktiengesellschaft Lichtventilgesteuerte Projektionsvorrichtung und dielektrischer Polarisator
JPH10339011A (ja) * 1997-06-06 1998-12-22 Enomoto Kinzoku Kk 継手構造
US5973833A (en) * 1997-08-29 1999-10-26 Lightware, Inc. High efficiency polarizing converter
US5940149A (en) * 1997-12-11 1999-08-17 Minnesota Mining And Manufacturing Company Planar polarizer for LCD projectors
JP2001517329A (ja) * 1997-12-16 2001-10-02 ゴスダルストベンニ ナウチニ ツェントル ロシイスコイ フェデラツィイ“ニオピク”（ゲーエヌテーエス エルエフ“ニオピク”） 偏光子及び液晶表示素子
JP3892130B2 (ja) * 1998-01-21 2007-03-14 株式会社半導体エネルギー研究所 液晶プロジェクタ
US6104536A (en) * 1998-09-18 2000-08-15 3M Innovative Properties Company High efficiency polarization converter including input and output lenslet arrays
JP2001042328A (ja) * 1999-07-30 2001-02-16 Hitachi Ltd 照明装置及びそれを用いた液晶表示装置
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
US6532110B1 (en) * 2000-03-03 2003-03-11 Agilent Technologies, Inc. Polarization device
US6411437B1 (en) * 2000-06-28 2002-06-25 Corning Precision Lens, Incorporated Integrating polarization conversion system
JP2002014419A (ja) * 2000-06-28 2002-01-18 Seiko Epson Corp プロジェクタ
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
JP4185264B2 (ja) * 2001-07-02 2008-11-26 富士フイルム株式会社 偏光方向制御素子及び露光装置
WO2004008199A1 (en) * 2002-07-17 2004-01-22 Vladimir Leontjevich Krapivin Combined polarised radiation source
KR100474918B1 (ko) * 2002-08-30 2005-03-10 엘지전자 주식회사 편광 변환 장치
KR20040024124A (ko) * 2002-09-13 2004-03-20 삼성전자주식회사 두 액정 판넬 컬러 스위칭 투사 장치
JPWO2004040366A1 (ja) * 2002-10-31 2006-03-02 セイコーエプソン株式会社 プロジェクタ
US20050174641A1 (en) * 2002-11-26 2005-08-11 Jds Uniphase Corporation Polarization conversion light integrator
US20060072207A1 (en) * 2004-09-30 2006-04-06 Williams David L Method and apparatus for polarizing electromagnetic radiation
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
JP2007322584A (ja) * 2006-05-31 2007-12-13 Sanyo Electric Co Ltd 照明装置及びそれを用いた投写型映像表示装置
US20080001907A1 (en) * 2006-06-30 2008-01-03 Bhowmik Achintya K Method and apparatus for high efficiency liquid crystal displays using polarization sheet
EP2067066B1 (de) 2006-09-29 2014-11-05 RealD Inc. Polarisationsumwandlungssystem zur stereoskopischen projektion
US7857455B2 (en) 2006-10-18 2010-12-28 Reald Inc. Combining P and S rays for bright stereoscopic projection
BR122013012891B1 (pt) 2007-05-09 2021-03-02 Reald Inc sistema de conversão de polarização
JP4968187B2 (ja) * 2007-08-22 2012-07-04 セイコーエプソン株式会社 偏光変換素子および偏光変換素子の製造方法
US8279523B2 (en) 2007-08-22 2012-10-02 Seiko Epson Corporation Polarization conversion element and method for manufacturing the same
JP2009169385A (ja) * 2007-12-19 2009-07-30 Victor Co Of Japan Ltd 投射型表示装置
JP5364998B2 (ja) * 2007-12-28 2013-12-11 凸版印刷株式会社 両面レンズシート、ディスプレイ用光学シートおよびそれを用いたバックライトユニット、ディスプレイ装置
TWI372304B (en) * 2008-02-12 2012-09-11 Young Optics Inc Polarization conversion system and illumination module
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
US8422132B2 (en) * 2008-12-02 2013-04-16 Shanghai Lexvu Opto Microelectronics Technology Co., Ltd. Integrated planar polarizing device
JP5182071B2 (ja) * 2008-12-25 2013-04-10 セイコーエプソン株式会社 偏光子、偏光子の製造方法およびプロジェクター
JP5493746B2 (ja) * 2009-11-13 2014-05-14 旭硝子株式会社 偏光変換素子および投射型表示装置
US20130063701A1 (en) * 2010-05-19 2013-03-14 3M Innovative Properties Company Fly eye integrator polarization converter
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
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
US9625745B2 (en) 2013-11-15 2017-04-18 Reald Inc. High dynamic range, high contrast projection systems
WO2015132820A1 (ja) * 2014-03-06 2015-09-11 株式会社有沢製作所 光学素子
US10247952B2 (en) * 2015-03-04 2019-04-02 Coherent Lasersystems Gmbh & Co. Kg Polarization-controlled laser line-projector
JP6632231B2 (ja) * 2015-07-02 2020-01-22 キヤノン株式会社 光源装置及びこれを用いた照明装置、投射型表示装置
KR102483322B1 (ko) 2015-09-30 2022-12-30 삼성디스플레이 주식회사 편광 모듈 및 이를 포함하는 레이저 조사 장치
JP6940056B2 (ja) * 2016-10-13 2021-09-22 エルジー・ケム・リミテッド 光孤立装置
WO2024034166A1 (ja) * 2022-08-10 2024-02-15 アルプスアルパイン株式会社 光学装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449287A (en) * 1946-09-23 1948-09-14 Merrill M Flood Polarizing beam-splitting prism
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
US2868076A (en) * 1952-05-17 1959-01-13 Jenaer Glaswerk Schott & Gen Polarizer for producing uniformly polarized light with aid of interference polarizers and phase retarders
US2810324A (en) * 1954-12-02 1957-10-22 Marks Polarized Corp Light polarizing illuminating device
FR1372436A (fr) * 1963-02-07 1964-09-18 Polariseur d'ondes électromagnétiques
CH558023A (de) * 1972-08-29 1975-01-15 Battelle Memorial Institute Polarisationsvorrichtung.
JPS59127019A (ja) * 1983-01-11 1984-07-21 Canon Inc プリンタヘツド
JP2580104B2 (ja) * 1984-10-09 1997-02-12 ソニー株式会社 投射型デイスプレイ装置
US4850685A (en) * 1984-10-22 1989-07-25 Seiko Epson Corporation Projection-type color display device
JPH0628460B2 (ja) 1984-10-25 1994-04-13 ソニー株式会社 投写型表示装置
US4864390A (en) * 1986-08-22 1989-09-05 North American Philips Corporation Display system with equal path lengths
US4827334A (en) * 1986-08-22 1989-05-02 Electrohome Limited Optical system and method for image sampling in a video projection system
JP2729791B2 (ja) * 1987-01-24 1998-03-18 キヤノン株式会社 光偏光装置及び光偏光装置を備えるプロジェクター
US4989076A (en) * 1987-01-27 1991-01-29 Canon Kabushiki Kaisha Video projection apparatus
NL8901077A (nl) 1989-04-28 1990-11-16 Koninkl Philips Electronics Nv Optische belichtingsstelsel en projectie-apparaat voorzien van een dergelijk stelsel.
JPH03114027A (ja) 1989-09-28 1991-05-15 Matsushita Electric Ind Co Ltd 液晶ビデオプロジェクター
EP0422661A3 (en) * 1989-10-13 1992-07-01 Mitsubishi Rayon Co., Ltd Polarization forming optical device and polarization beam splitter
US5073830A (en) * 1990-01-09 1991-12-17 Greyhawk Systems, Inc. High-efficiency polarized light source
DE4117217A1 (de) * 1991-05-27 1992-12-03 Schmitzer Andreas Nassabtastfenster und verwendung desselben bei der herstellung von vergroesserungen einzelner fotonegativbilder oder von diapositivbildern

Also Published As

Publication number Publication date
EP0508413B1 (de) 1997-07-23
CA2065584A1 (en) 1992-10-10
US5566367A (en) 1996-10-15
DE69221002T2 (de) 1998-02-12
EP0508413A3 (en) 1992-12-02
JPH04310903A (ja) 1992-11-02
US6229646B1 (en) 2001-05-08
CA2065584C (en) 1996-02-13
JP3273955B2 (ja) 2002-04-15
EP0508413A2 (de) 1992-10-14
ATE155898T1 (de) 1997-08-15

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Legal Events

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