KR100456492B1 - Lcd프로젝터용편광조명시스템 - Google Patents

Lcd프로젝터용편광조명시스템 Download PDF

Info

Publication number
KR100456492B1
KR100456492B1 KR10-1998-0707698A KR19980707698A KR100456492B1 KR 100456492 B1 KR100456492 B1 KR 100456492B1 KR 19980707698 A KR19980707698 A KR 19980707698A KR 100456492 B1 KR100456492 B1 KR 100456492B1
Authority
KR
South Korea
Prior art keywords
light
polarization state
beams
emission
prism
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 - Fee Related
Application number
KR10-1998-0707698A
Other languages
English (en)
Korean (ko)
Other versions
KR20000005070A (ko
Inventor
데니스 에프. 밴더워프
Original Assignee
미네소타 마이닝 앤드 매뉴팩춰링 캄파니
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 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 filed Critical 미네소타 마이닝 앤드 매뉴팩춰링 캄파니
Publication of KR20000005070A publication Critical patent/KR20000005070A/ko
Application granted granted Critical
Publication of KR100456492B1 publication Critical patent/KR100456492B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B27/28—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)
KR10-1998-0707698A 1996-03-29 1997-03-17 Lcd프로젝터용편광조명시스템 Expired - Fee Related KR100456492B1 (ko)

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 (2)

Publication Number Publication Date
KR20000005070A KR20000005070A (ko) 2000-01-25
KR100456492B1 true KR100456492B1 (ko) 2005-01-15

Family

ID=24504296

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1998-0707698A Expired - Fee Related KR100456492B1 (ko) 1996-03-29 1997-03-17 Lcd프로젝터용편광조명시스템

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)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE602005008394D1 (de) * 2004-03-11 2008-09-04 Thomson Licensing Mehrfach-lampenbeleuchtungssystem mit polarisationswiederherstellung und integration
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
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
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
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
CN114200760A (zh) * 2021-11-05 2022-03-18 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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359455A (en) * 1989-12-26 1994-10-25 Mitsubishi Rayon Co., Ltd. Polarization forming optical device
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

Family Cites Families (22)

* 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
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.
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5359455A (en) * 1989-12-26 1994-10-25 Mitsubishi Rayon Co., Ltd. Polarization forming optical device
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

Also Published As

Publication number Publication date
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
CN1214775A (zh) 1999-04-21

Similar Documents

Publication Publication Date Title
KR100456492B1 (ko) Lcd프로젝터용편광조명시스템
US6601958B2 (en) Projector
US5940149A (en) Planar polarizer for LCD projectors
US6923544B2 (en) Projector
US6310713B2 (en) Optical system for miniature personal displays using reflective light valves
US5662400A (en) Projection display system
US5387953A (en) Polarization illumination device and projector having the same
JP3298437B2 (ja) 光学素子、偏光照明装置および投写型表示装置
US5973833A (en) High efficiency polarizing converter
US6348997B1 (en) Polarizing illuminating device and projector
JP2002352611A (ja) 照明装置およびそれを備える表示装置
US6142633A (en) Polarized light illuminator and projection type image display apparatus
CN1273370A (zh) 反射型投影仪
EP0603583B1 (en) Image projection apparatus
US5737124A (en) Polarizing splitter device and application to a system for illuminating a liquid-crystal screen
US20040001186A1 (en) Projection type image display apparatus
US5900973A (en) Optical polarization device and projection system of liquid crystal valve type utilizing such a device
JPH06289387A (ja) 照明光学系及び投写型表示装置
KR100254335B1 (ko) 액정표시장치
KR100352973B1 (ko) 2 램프를 이용한 액정 프로젝터의 광학계
US5572362A (en) Condenser lens, polarizing element, light source apparatus, and projection display apparatus
EP1130450B1 (en) Polarized light illuminator and projection display
KR100359728B1 (ko) 액정 프로젝터의 광학 장치
JP2001110217A (ja) 照明装置及び投影装置
JP2003121794A (ja) 照明光学系及び投写型表示装置

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20071102

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20071102

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000