CA2058514A1 - Dispositif d'eclairage a polarisation et projecteur comportant ce dispositif - Google Patents
Dispositif d'eclairage a polarisation et projecteur comportant ce dispositifInfo
- Publication number
- CA2058514A1 CA2058514A1 CA2058514A CA2058514A CA2058514A1 CA 2058514 A1 CA2058514 A1 CA 2058514A1 CA 2058514 A CA2058514 A CA 2058514A CA 2058514 A CA2058514 A CA 2058514A CA 2058514 A1 CA2058514 A1 CA 2058514A1
- Authority
- CA
- Canada
- Prior art keywords
- illumination device
- component
- polarization illumination
- light
- reflecting surface
- 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.)
- Granted
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
- G02F1/13—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
-
- 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]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3167—Modulator illumination systems for polarizing the light beam
-
- 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
- G02F1/133543—Cholesteric polarisers
-
- 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]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP41498890 | 1990-12-27 | ||
JP2-414988 | 1990-12-27 | ||
JP3-80467 | 1991-03-20 | ||
JP8046791 | 1991-03-20 | ||
JP3338580A JPH0566367A (ja) | 1990-12-27 | 1991-12-20 | 偏光照明装置および該偏光照明装置を備えた投写表示装置 |
JP3-338581 | 1991-12-20 | ||
JP3338581A JPH0566368A (ja) | 1990-12-27 | 1991-12-20 | 偏光照明装置および該偏光照明装置を用いた投写表示装置 |
JP3-338580 | 1991-12-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2058514A1 true CA2058514A1 (fr) | 1992-06-28 |
CA2058514C CA2058514C (fr) | 1995-11-28 |
Family
ID=27466437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002058514A Expired - Fee Related CA2058514C (fr) | 1990-12-27 | 1991-12-24 | Dispositif d'eclairage a polarisation et projecteur comportant ce dispositif |
Country Status (4)
Country | Link |
---|---|
US (1) | US5387953A (fr) |
EP (1) | EP0492636B1 (fr) |
CA (1) | CA2058514C (fr) |
DE (1) | DE69119880T2 (fr) |
Families Citing this family (104)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0434041B1 (fr) * | 1989-12-20 | 1996-09-11 | Canon Kabushiki Kaisha | Dispositif d'illumination polarisé |
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 |
EP0573905A1 (fr) * | 1992-06-08 | 1993-12-15 | Minnesota Mining And Manufacturing Company | Polariseur rétrorefléchissant pour systèmes de présentation |
US5903388A (en) * | 1992-06-11 | 1999-05-11 | Sedlmayr Steven R | High efficiency electromagnetic beam projector and systems and method for implementation thereof |
FR2693561B1 (fr) * | 1992-07-10 | 1994-09-30 | Alphaprime | Source de lumière polarisée et rétroprojecteur utilisant cette source. |
JPH0694902A (ja) * | 1992-09-11 | 1994-04-08 | Canon Inc | 光学素子,光源,液晶光学素子,偏光照明装置,照明光学装置,偏光分離素子,偏光素子,画像投影装置および立体像表示方法 |
EP0606939B1 (fr) * | 1993-01-11 | 1998-05-06 | Koninklijke Philips Electronics N.V. | Système d'illumination et dispositif d'affichage comportant un tel système |
DE4307178C2 (de) * | 1993-03-08 | 1996-09-19 | Lueder Ernst | Vorrichtung und Verfahren zur Polarisation von Licht |
DE4328785A1 (de) * | 1993-08-26 | 1995-03-02 | Consortium Elektrochem Ind | Optische Elemente mit abbildender farb- und polarisationsselektiver Reflexion enthaltend cholesterische Flüssigkristalle sowie Herstellung und Verwendung dieser Elemente |
BE1007993A3 (nl) * | 1993-12-17 | 1995-12-05 | Philips Electronics Nv | Belichtingsstelsel voor een kleurenbeeldprojectie-inrichting en circulaire polarisator geschikt voor toepassing in een dergelijk belichtingsstelsel en kleurenbeeldprojectie-inrichting bevattende een dergelijk belichtingsstelsel met circulaire polarisator. |
US6804058B1 (en) | 1993-12-21 | 2004-10-12 | 3M Innovative Properties Company | Electroluminescent light source and display incorporating same |
KR100432457B1 (ko) * | 1993-12-21 | 2004-05-22 | 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 | 휘도 향상 디바이스 |
AU1443595A (en) * | 1993-12-21 | 1995-07-10 | Minnesota Mining And Manufacturing Company | Reflective polarizer with brightness enhancement |
US20070091230A1 (en) * | 1993-12-21 | 2007-04-26 | 3M Innovative Properties Company | Display incorporating reflective polarizer |
CA2177714C (fr) * | 1993-12-21 | 2005-08-09 | Andrew J. Ouderkirk | Film optique multicouche |
JPH07294850A (ja) * | 1994-04-22 | 1995-11-10 | Canon Inc | 照明装置及びそれを用いた投影装置 |
JPH10501076A (ja) * | 1994-06-01 | 1998-01-27 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | 高効率照明装置及びこの照明装置を具える画像投射装置 |
KR0130606B1 (ko) * | 1994-07-30 | 1998-04-11 | 배순훈 | 입체형 프로젝터(Projector) |
US5852479A (en) * | 1994-09-07 | 1998-12-22 | Sharp Kabushiki Kaisha | Color liquid crystal projector device |
US5808800A (en) * | 1994-12-22 | 1998-09-15 | Displaytech, Inc. | Optics arrangements including light source arrangements for an active matrix liquid crystal image generator |
GB2296808A (en) * | 1994-12-29 | 1996-07-10 | Sharp Kk | Illumination system for display device |
JP2738324B2 (ja) * | 1995-01-23 | 1998-04-08 | 日本電気株式会社 | 投写型液晶表示装置 |
JPH08294137A (ja) * | 1995-04-20 | 1996-11-05 | Mitsubishi Electric Corp | プロジェクタ装置 |
FR2733601B1 (fr) * | 1995-04-28 | 1997-06-27 | Thomson Multimedia Sa | Dispositif de separation de polarisation et application a un systeme d'eclairement d'un ecran a cristal liquide |
JPH09114022A (ja) * | 1995-10-12 | 1997-05-02 | Texas Instr Inc <Ti> | プロジエクタ装置 |
GB2306741A (en) | 1995-10-24 | 1997-05-07 | Sharp Kk | Illuminator |
US6331879B1 (en) * | 1995-11-20 | 2001-12-18 | Minolta Co., Ltd. | Liquid crystal projector with an illumination optical system |
JPH09211209A (ja) * | 1996-01-31 | 1997-08-15 | Canon Inc | 光学部材及びそれを有する光学機器 |
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 |
US6111700A (en) * | 1996-09-05 | 2000-08-29 | Fujitsu Limited | Optical display device having a reflection-type polarizer |
US5975703A (en) | 1996-09-30 | 1999-11-02 | Digital Optics International | Image projection system |
GB9621635D0 (en) * | 1996-10-17 | 1996-12-11 | Hawes Edward M | Light projection system |
US6206532B1 (en) | 1996-10-17 | 2001-03-27 | New Exciting Designs Limited | High efficiency light source projection apparatus |
JP3110336B2 (ja) * | 1996-10-30 | 2000-11-20 | 日本電気株式会社 | 投射型カラー液晶表示装置 |
US6005655A (en) * | 1996-10-31 | 1999-12-21 | Minolta Co., Ltd. | Projector capable of projecting polarized illumination light |
JPH10186282A (ja) * | 1996-11-11 | 1998-07-14 | Sharp Corp | 投影型画像表示装置 |
JPH10186302A (ja) * | 1996-12-27 | 1998-07-14 | Fujitsu Ltd | 表示装置及び偏光光源装置 |
US6257726B1 (en) | 1997-02-13 | 2001-07-10 | Canon Kabushiki Kaisha | Illuminating apparatus and projecting apparatus |
US6028703A (en) * | 1997-03-14 | 2000-02-22 | Nikon Corporation | High-efficiency polarizing arrangement and projection apparatus using the same |
US7023602B2 (en) | 1999-05-17 | 2006-04-04 | 3M Innovative Properties Company | Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter and color separation and recombination prisms |
US6486997B1 (en) | 1997-10-28 | 2002-11-26 | 3M Innovative Properties Company | Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter |
US6808658B2 (en) * | 1998-01-13 | 2004-10-26 | 3M Innovative Properties Company | Method for making texture multilayer optical films |
US6157486A (en) * | 1998-01-13 | 2000-12-05 | 3M Innovative Properties Company | Retroreflective dichroic reflector |
US6108131A (en) * | 1998-05-14 | 2000-08-22 | Moxtek | Polarizer apparatus for producing a generally polarized beam of light |
US6104536A (en) * | 1998-09-18 | 2000-08-15 | 3M Innovative Properties Company | High efficiency polarization converter including input and output lenslet arrays |
US6426838B1 (en) * | 1998-11-04 | 2002-07-30 | Psc Inc. | Polarization dependant multi-focus optical system |
US6364487B1 (en) * | 1999-01-29 | 2002-04-02 | Agilent Technologies, Inc. | Solid state based illumination source for a projection display |
FR2795877B1 (fr) * | 1999-06-30 | 2001-10-05 | Photonetics | Composant optique partiellement reflechissant et source laser incorporant un tel composant |
US7306338B2 (en) * | 1999-07-28 | 2007-12-11 | Moxtek, Inc | Image projection system with a polarizing beam splitter |
IT1313117B1 (it) * | 1999-08-25 | 2002-06-17 | Morton Int Inc | Apparecchiatura di applicazione a vuoto dotata di mezzi trasportatorie procedimento per applicare un resist a film secco ad un pannello di |
JP2001154151A (ja) | 1999-11-25 | 2001-06-08 | Minolta Co Ltd | 照明光学系及びそれを用いた液晶プロジェクタ |
US6785049B1 (en) | 2000-01-31 | 2004-08-31 | 3M Innovative Properties Company | Illumination system for reflective displays |
EP1918773A1 (fr) * | 2001-04-25 | 2008-05-07 | Wavien, Inc. | Récupération lumineuse pour affichages de projection |
US6609795B2 (en) * | 2001-06-11 | 2003-08-26 | 3M Innovative Properties Company | Polarizing beam splitter |
KR100433211B1 (ko) * | 2001-08-10 | 2004-05-28 | 엘지전자 주식회사 | 광량 및 편광 균일화 광학소자를 이용한 프로젝터의 조명 광학계 |
US6657609B2 (en) * | 2001-09-28 | 2003-12-02 | Koninklijke Philips Electronics N.V. | Liquid crystal displays with reduced flicker |
EP2397875A3 (fr) * | 2001-12-14 | 2012-05-02 | QUALCOMM MEMS Technologies, Inc. | Système d'éclairage uniforme |
US6909473B2 (en) * | 2002-01-07 | 2005-06-21 | Eastman Kodak Company | Display apparatus and method |
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US6719426B2 (en) | 2002-02-28 | 2004-04-13 | 3M Innovative Properties Company | Compound polarization beam splitters |
US20030161136A1 (en) * | 2002-02-28 | 2003-08-28 | O'connor Michael | Polarization conversion system |
US6775061B2 (en) * | 2002-05-17 | 2004-08-10 | Thomson Licensing S. A. | Reflecting light polarizer made of coated non-linear surfaces |
EP1391776A1 (fr) * | 2002-07-19 | 2004-02-25 | Sony International (Europe) GmbH | Dispositif de collection, d'intégration et de réorientation de la lumière |
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JP4449768B2 (ja) | 2005-02-02 | 2010-04-14 | 株式会社ニコン | 偏光変換素子およびこれを備える投射装置 |
US20070296921A1 (en) * | 2006-06-26 | 2007-12-27 | Bin Wang | Projection display with a cube wire-grid polarizing beam splitter |
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US20080013051A1 (en) * | 2006-07-14 | 2008-01-17 | 3M Innovative Properties Company | Polarizing beam splitters incorporating reflective and absorptive polarizers and image display systems thereof |
US8755113B2 (en) * | 2006-08-31 | 2014-06-17 | Moxtek, Inc. | Durable, inorganic, absorptive, ultra-violet, grid polarizer |
EP2366945A1 (fr) * | 2006-10-06 | 2011-09-21 | Qualcomm Mems Technologies, Inc. | Couche de perte optique intégrée dans un appareil d'éclairage pour écran visuel |
EP1943551A2 (fr) | 2006-10-06 | 2008-07-16 | Qualcomm Mems Technologies, Inc. | Guide de lumière |
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US7789515B2 (en) * | 2007-05-17 | 2010-09-07 | Moxtek, Inc. | Projection device with a folded optical path and wire-grid polarizer |
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EP2247978A4 (fr) | 2008-01-30 | 2012-12-26 | Qualcomm Mems Technologies Inc | Système d éclairage mince |
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CN102449511A (zh) * | 2009-05-29 | 2012-05-09 | 高通Mems科技公司 | 照明装置及其制造方法 |
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US8913320B2 (en) | 2011-05-17 | 2014-12-16 | Moxtek, Inc. | Wire grid polarizer with bordered sections |
US8873144B2 (en) | 2011-05-17 | 2014-10-28 | Moxtek, Inc. | Wire grid polarizer with multiple functionality sections |
US8922890B2 (en) | 2012-03-21 | 2014-12-30 | Moxtek, Inc. | Polarizer edge rib modification |
US9632223B2 (en) | 2013-10-24 | 2017-04-25 | Moxtek, Inc. | Wire grid polarizer with side region |
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 |
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JPH061303B2 (ja) * | 1984-11-20 | 1994-01-05 | ソニー株式会社 | 偏光照明装置 |
US4864390A (en) * | 1986-08-22 | 1989-09-05 | North American Philips Corporation | Display system with equal path lengths |
JPS63168626A (ja) * | 1987-01-06 | 1988-07-12 | Citizen Watch Co Ltd | 液晶表示体 |
US4989076A (en) * | 1987-01-27 | 1991-01-29 | Canon Kabushiki Kaisha | Video projection apparatus |
US4798448A (en) * | 1988-02-16 | 1989-01-17 | General Electric Company | High efficiency illumination system for display devices |
JPH0293580A (ja) * | 1988-09-30 | 1990-04-04 | Sony Corp | 画像投射装置 |
FR2642209B1 (fr) * | 1989-01-24 | 1994-07-01 | Loire Electronique | Dispositif d'eclairage pour ecran a cristaux liquides |
EP0422661A3 (en) * | 1989-10-13 | 1992-07-01 | Mitsubishi Rayon Co., Ltd | Polarization forming optical device and polarization beam splitter |
JP2915467B2 (ja) * | 1990-02-22 | 1999-07-05 | キヤノン株式会社 | 液晶プロジェクタ |
-
1991
- 1991-12-23 US US07/812,758 patent/US5387953A/en not_active Expired - Fee Related
- 1991-12-24 CA CA002058514A patent/CA2058514C/fr not_active Expired - Fee Related
- 1991-12-27 DE DE69119880T patent/DE69119880T2/de not_active Expired - Fee Related
- 1991-12-27 EP EP91122276A patent/EP0492636B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69119880T2 (de) | 1996-11-14 |
CA2058514C (fr) | 1995-11-28 |
EP0492636B1 (fr) | 1996-05-29 |
EP0492636A1 (fr) | 1992-07-01 |
US5387953A (en) | 1995-02-07 |
DE69119880D1 (de) | 1996-07-04 |
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