CN1214775A - Lcd投影器用的偏振照明系统 - Google Patents

Lcd投影器用的偏振照明系统 Download PDF

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Publication number
CN1214775A
CN1214775A CN97193360A CN97193360A CN1214775A CN 1214775 A CN1214775 A CN 1214775A CN 97193360 A CN97193360 A CN 97193360A CN 97193360 A CN97193360 A CN 97193360A CN 1214775 A CN1214775 A CN 1214775A
Authority
CN
China
Prior art keywords
light
reflective
prism
light beam
outgoing
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.)
Pending
Application number
CN97193360A
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English (en)
Chinese (zh)
Inventor
D·F·范德沃尔夫
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of CN1214775A publication Critical patent/CN1214775A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133536—Reflective polarizers
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/13355—Polarising beam splitters [PBS]
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
CN97193360A 1996-03-29 1997-03-17 Lcd投影器用的偏振照明系统 Pending CN1214775A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/625,030 1996-03-29
US08/625,030 US5995284A (en) 1996-03-29 1996-03-29 Polarized illumination system for LCD projector

Publications (1)

Publication Number Publication Date
CN1214775A true CN1214775A (zh) 1999-04-21

Family

ID=24504296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN97193360A Pending CN1214775A (zh) 1996-03-29 1997-03-17 Lcd投影器用的偏振照明系统

Country Status (11)

Country Link
US (1) US5995284A (enExample)
EP (1) EP0890128B1 (enExample)
JP (1) JP2001501317A (enExample)
KR (1) KR100456492B1 (enExample)
CN (1) CN1214775A (enExample)
AU (1) AU2421697A (enExample)
CA (1) CA2247435A1 (enExample)
DE (1) DE69713081T2 (enExample)
ES (1) ES2175397T3 (enExample)
TW (1) TW307832B (enExample)
WO (1) WO1997037266A1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100417959C (zh) * 2004-03-11 2008-09-10 汤姆森许可贸易公司 具有偏振恢复和合成的多灯照明系统
CN103644487A (zh) * 2013-12-30 2014-03-19 北京理工大学 一种基于自由曲面透镜的led跑道中线灯光学系统
CN114200756A (zh) * 2020-09-18 2022-03-18 中强光电股份有限公司 照明系统及投影装置
CN114460799A (zh) * 2021-11-05 2022-05-10 杭州中科极光科技有限公司 一种激光显示光源系统及激光显示设备

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EP0916221A2 (en) * 1997-01-10 1999-05-19 Koninklijke Philips Electronics N.V. Illumination system for an image projection device
US6587269B2 (en) * 2000-08-24 2003-07-01 Cogent Light Technologies Inc. Polarization recovery system for projection displays
US7710669B2 (en) * 2000-08-24 2010-05-04 Wavien, Inc. Etendue efficient combination of multiple light sources
KR100571909B1 (ko) * 2000-09-21 2006-04-17 삼성전자주식회사 화상투사장치
US6739723B1 (en) 2001-12-07 2004-05-25 Delta Electronics, Inc. Polarization recapture system for liquid crystal-based data projectors
US20030112511A1 (en) * 2001-12-19 2003-06-19 Koninklijke Philips Electronics N.V. Polarization conversion method for liquid crystal displays
US6646806B1 (en) * 2002-05-17 2003-11-11 Infocus Corporation Polarized light source system with dual optical paths
US20050174641A1 (en) * 2002-11-26 2005-08-11 Jds Uniphase Corporation Polarization conversion light integrator
JP2004214073A (ja) * 2003-01-07 2004-07-29 Honda Motor Co Ltd 告知灯
US20040207774A1 (en) * 2003-04-17 2004-10-21 Gothard David L. Illumination apparatus for LCD/organic displays
US20050041288A1 (en) * 2003-08-19 2005-02-24 Liao Liu Liang Polarization conversion module and polarization conversion method thereof
DE10361559A1 (de) * 2003-12-19 2005-07-14 Carl Zeiss Jena Gmbh Projektionsanordnung
US20080129964A1 (en) * 2006-11-30 2008-06-05 Upstream Engineering Oy Beam shaping component and method
TW200839292A (en) * 2006-11-30 2008-10-01 Upstream Engineering Oy Beam shaping method and apparatus
JP2007192841A (ja) * 2007-04-24 2007-08-02 Fujifilm Corp 全反射減衰を利用した測定方法および測定装置
JP5110979B2 (ja) * 2007-06-26 2012-12-26 キヤノン株式会社 照明光学系およびそれを用いた投射型表示装置
US8905547B2 (en) * 2010-01-04 2014-12-09 Elbit Systems Of America, Llc System and method for efficiently delivering rays from a light source to create an image
TWI418917B (zh) * 2010-10-15 2013-12-11 Young Optics Inc 投影裝置
EP2936220B1 (en) 2013-03-13 2022-11-16 ImagineOptix Corporation Polarization conversion systems with geometric phase holograms
US9778475B2 (en) * 2014-11-06 2017-10-03 The United States of America as represesnted by the Secretary of the Air Forice Universal polarization converter
JP6393014B2 (ja) 2015-08-05 2018-09-19 スペクトラム オプティクス インコーポレイティド ウェッジ形平面レンズ及び画像処理方法
CN106405933B (zh) 2016-10-31 2019-08-13 京东方科技集团股份有限公司 背光模组和液晶显示装置
US10620348B2 (en) * 2016-12-09 2020-04-14 Lumenflow Lower index-gap corrective wedge prism
JP2024030405A (ja) * 2022-08-24 2024-03-07 セイコーエプソン株式会社 プロジェクター

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE152212C (enExample) *
US3743380A (en) * 1972-01-31 1973-07-03 Us Navy Polarized light source for underwater use
DD152212A1 (de) * 1980-07-15 1981-11-18 Volkmar Norkus Optisches system zur umwandlung der polarisation von licht
JPH061303B2 (ja) * 1984-11-20 1994-01-05 ソニー株式会社 偏光照明装置
NL8802517A (nl) * 1988-10-13 1990-05-01 Philips Nv Beeldprojektie-inrichting.
US5042921A (en) * 1988-10-25 1991-08-27 Casio Computer Co., Ltd. Liquid crystal display apparatus
US4913529A (en) * 1988-12-27 1990-04-03 North American Philips Corp. Illumination system for an LCD display system
EP0422661A3 (en) * 1989-10-13 1992-07-01 Mitsubishi Rayon Co., Ltd Polarization forming optical device and polarization beam splitter
DE69028497T2 (de) * 1989-12-20 1997-02-06 Canon Kk Polarisierendes Beleuchtungsgerät
EP0460241B1 (en) * 1989-12-26 1996-03-13 Mitsubishi Rayon Co., Ltd. Optical apparatus for generating polarized light
JP2828297B2 (ja) * 1990-01-19 1998-11-25 旭光学工業株式会社 反射型プロジェクター
FR2660448B1 (fr) * 1990-04-03 1992-06-05 Thomson Csf Dispositif de projection d'images.
EP0456427B1 (en) * 1990-05-08 1998-01-28 Canon Kabushiki Kaisha Polarization converting apparatus
JP3126368B2 (ja) * 1990-06-22 2001-01-22 株式会社日立製作所 画像縮小拡大投影装置
FR2665773B1 (fr) * 1990-08-10 1993-08-20 Thomson Csf Dispositif de projection d'images utilisant deux composantes orthogonales de polarisation de la lumiere.
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
EP0573905A1 (en) * 1992-06-08 1993-12-15 Minnesota Mining And Manufacturing Company Retroreflecting polarizer for presentation systems
US5347433A (en) * 1992-06-11 1994-09-13 Sedlmayr Steven R Collimated beam of light and systems and methods for implementation thereof
DE4307178C2 (de) * 1993-03-08 1996-09-19 Lueder Ernst Vorrichtung und Verfahren zur Polarisation von Licht
US5428469A (en) * 1993-11-16 1995-06-27 Minnesota Mining And Manufacturing Company Liquid crystal display projection systems employing polarizing beam splitters and passing light through display cell from both directions
JPH07199185A (ja) * 1993-12-27 1995-08-04 Nec Corp 投写型液晶表示装置
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
US5504544A (en) * 1994-11-23 1996-04-02 Minnesota Mining And Manufacturing Company Projector with multiple lamp light source

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100417959C (zh) * 2004-03-11 2008-09-10 汤姆森许可贸易公司 具有偏振恢复和合成的多灯照明系统
CN103644487A (zh) * 2013-12-30 2014-03-19 北京理工大学 一种基于自由曲面透镜的led跑道中线灯光学系统
CN114200756A (zh) * 2020-09-18 2022-03-18 中强光电股份有限公司 照明系统及投影装置
CN114200756B (zh) * 2020-09-18 2023-04-18 中强光电股份有限公司 照明系统及投影装置
CN114460799A (zh) * 2021-11-05 2022-05-10 杭州中科极光科技有限公司 一种激光显示光源系统及激光显示设备

Also Published As

Publication number Publication date
KR100456492B1 (ko) 2005-01-15
EP0890128A1 (en) 1999-01-13
US5995284A (en) 1999-11-30
WO1997037266A1 (en) 1997-10-09
JP2001501317A (ja) 2001-01-30
AU2421697A (en) 1997-10-22
EP0890128B1 (en) 2002-06-05
DE69713081D1 (de) 2002-07-11
TW307832B (en) 1997-06-11
CA2247435A1 (en) 1997-10-09
KR20000005070A (ko) 2000-01-25
DE69713081T2 (de) 2003-01-23
ES2175397T3 (es) 2002-11-16

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SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication