HK75496A - Illumination system for an lcd display system - Google Patents

Illumination system for an lcd display system

Info

Publication number
HK75496A
HK75496A HK75496A HK75496A HK75496A HK 75496 A HK75496 A HK 75496A HK 75496 A HK75496 A HK 75496A HK 75496 A HK75496 A HK 75496A HK 75496 A HK75496 A HK 75496A
Authority
HK
Hong Kong
Prior art keywords
lcd display
illumination
display system
illumination system
lcd
Prior art date
Application number
HK75496A
Other languages
English (en)
Inventor
Jill Forer Goldenberg
Joshua Daniel Eskin
Original Assignee
Philips Electronics Nv
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Publication of HK75496A publication Critical patent/HK75496A/xx

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
    • 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
    • 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
    • G02F1/13355—Polarising beam splitters [PBS]

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
HK75496A 1988-12-27 1996-05-02 Illumination system for an lcd display system HK75496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/290,471 US4913529A (en) 1988-12-27 1988-12-27 Illumination system for an LCD display system

Publications (1)

Publication Number Publication Date
HK75496A true HK75496A (en) 1996-05-10

Family

ID=23116147

Family Applications (1)

Application Number Title Priority Date Filing Date
HK75496A HK75496A (en) 1988-12-27 1996-05-02 Illumination system for an lcd display system

Country Status (7)

Country Link
US (1) US4913529A (fr)
EP (1) EP0376395B1 (fr)
JP (1) JP2747349B2 (fr)
KR (1) KR0152982B1 (fr)
CN (1) CN1020133C (fr)
DE (1) DE68916398T2 (fr)
HK (1) HK75496A (fr)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300942A (en) * 1987-12-31 1994-04-05 Projectavision Incorporated High efficiency light valve projection system with decreased perception of spaces between pixels and/or hines
US5042921A (en) * 1988-10-25 1991-08-27 Casio Computer Co., Ltd. Liquid crystal display apparatus
JPH02153336A (ja) * 1988-12-05 1990-06-13 Sharp Corp 投影型液晶表示装置
US5082354A (en) * 1989-08-29 1992-01-21 Kaiser Aerospace And Electronics Corporation Optical switch and color selection assembly
DE69030038T2 (de) * 1989-08-31 1997-06-12 Asahi Glass Co Ltd Flüssigkristallfarbprojektionsanzeigevorrichtung
JP2893599B2 (ja) * 1989-10-05 1999-05-24 セイコーエプソン株式会社 偏光光源及び投写型表示装置
US5212471A (en) * 1989-10-27 1993-05-18 Hughes Aircraft Company Polarized heads up display
EP0434041B1 (fr) * 1989-12-20 1996-09-11 Canon Kabushiki Kaisha Dispositif d'illumination polarisé
JPH04230705A (ja) * 1990-05-18 1992-08-19 Canon Inc 偏光変換装置、該偏光変換装置を備えた偏光照明装置および該偏光照明装置を有する投写型表示装置
DE4123479A1 (de) * 1990-07-24 1992-01-30 Thomson Brandt Gmbh Einrichtung zur beleuchtung mit polarisiertem licht
US5570209A (en) * 1990-09-18 1996-10-29 Mitsubishi Denki Kabushiki Kaisha Color projection type display apparatus having three liquid crystal displays of same structure
FR2669127B1 (fr) * 1990-11-09 1993-01-22 Thomson Csf Projecteur d'images a deux faisceaux polarises par ecran matriciel.
FR2669440B1 (fr) * 1990-11-21 1994-08-26 Sextant Avionique Dispositif de visualisation en couleur par projection mettant en óoeuvre des valves optiques.
EP0488080B1 (fr) * 1990-11-27 1997-06-04 Asahi Glass Company Ltd. Appareil d'affichage par projection avec diaphragme
JP2575558Y2 (ja) * 1990-12-26 1998-07-02 エルジー電子株式会社 液晶投写形ディスプレイの光学系構造
JP2517835Y2 (ja) * 1991-02-08 1996-11-20 矢崎総業株式会社 車両用表示装置
US5111315A (en) * 1991-02-14 1992-05-05 Hughes Aircraft Company Optical system for illuminating a light valve
BR9206133A (pt) * 1991-06-13 1994-11-29 Minnesota Mining & Mfg Polarizador retro-reflexivo e sistema ótico
FR2680016B1 (fr) * 1991-07-30 1994-08-26 Thomson Csf Visuel grand champ collimate a miroir spherique ou elliptique, en particulier pour simulateur.
FR2680882B1 (fr) * 1991-08-06 1993-10-29 Thomson Csf Projecteur d'images a efficacite lumineuse orptimisee.
US5301030A (en) * 1991-08-13 1994-04-05 Samsung Electronics Co., Ltd. Optical illumination apparatus for a display unit with efficient light source polarization
FR2685500B1 (fr) * 1991-12-20 1994-12-23 Thomson Csf Separateur optique de polarisations et application a un systeme de visualisation.
JPH05241103A (ja) * 1992-02-21 1993-09-21 Nec Corp 投射型液晶表示装置
US5422756A (en) * 1992-05-18 1995-06-06 Minnesota Mining And Manufacturing Company Backlighting system using a retroreflecting polarizer
US5347433A (en) * 1992-06-11 1994-09-13 Sedlmayr Steven R Collimated beam of light and systems and methods for implementation thereof
JP3380913B2 (ja) * 1992-06-11 2003-02-24 ソニー株式会社 固体撮像装置
US5903388A (en) * 1992-06-11 1999-05-11 Sedlmayr Steven R High efficiency electromagnetic beam projector and systems and method for implementation thereof
JP3362900B2 (ja) * 1993-03-09 2003-01-07 富士通株式会社 面発光装置
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
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
US5823662A (en) * 1994-08-25 1998-10-20 Lightware, Inc. High efficiency illumination system
US5716122A (en) * 1994-08-25 1998-02-10 Nikon Corporation Optical apparatus using polarizing beam splitter
US5579134A (en) * 1994-11-30 1996-11-26 Honeywell Inc. Prismatic refracting optical array for liquid flat panel crystal display backlight
WO1996020422A1 (fr) 1994-12-28 1996-07-04 Seiko Epson Corporation Appareil d'eclairage en lumiere polarisee et dispositif d'affichage du type a projection
JP3641291B2 (ja) * 1995-03-09 2005-04-20 ペンタックス株式会社 偏光変換素子およびその使用方法
US5757547A (en) * 1995-04-24 1998-05-26 Polycom, Inc. High efficiency homogeneous polarization converter
JPH0950000A (ja) * 1995-06-02 1997-02-18 Matsushita Electric Ind Co Ltd 偏光方向変換照明装置および投写型画像表示装置
US5995284A (en) * 1996-03-29 1999-11-30 3M Innovative Properties Company Polarized illumination system for LCD projector
JPH1078511A (ja) * 1996-09-04 1998-03-24 Hitachi Ltd 偏光分離器、偏光変換素子およびそれを用いた液晶表示装置
JP3444521B2 (ja) * 1997-06-20 2003-09-08 シャープ株式会社 投影型画像表示装置
US6208463B1 (en) 1998-05-14 2001-03-27 Moxtek Polarizer apparatus for producing a generally polarized beam of light
US6108131A (en) 1998-05-14 2000-08-22 Moxtek Polarizer apparatus for producing a generally polarized beam of light
US6356700B1 (en) 1998-06-08 2002-03-12 Karlheinz Strobl Efficient light engine systems, components and methods of manufacture
US6122103A (en) * 1999-06-22 2000-09-19 Moxtech Broadband wire grid polarizer for the visible spectrum
US6288840B1 (en) 1999-06-22 2001-09-11 Moxtek Imbedded wire grid polarizer for the visible spectrum
US6447120B2 (en) 1999-07-28 2002-09-10 Moxtex Image projection system with a polarizing beam splitter
US6234634B1 (en) 1999-07-28 2001-05-22 Moxtek Image projection system with a polarizing beam splitter
US7306338B2 (en) * 1999-07-28 2007-12-11 Moxtek, Inc Image projection system with a polarizing beam splitter
US6666556B2 (en) 1999-07-28 2003-12-23 Moxtek, Inc Image projection system with a polarizing beam splitter
US6243199B1 (en) 1999-09-07 2001-06-05 Moxtek Broad band wire grid polarizing beam splitter for use in the visible wavelength region
IL132928A0 (en) * 1999-11-14 2001-03-19 Unic View Ltd Thermally stable birefringent prism assembly
US7375887B2 (en) 2001-03-27 2008-05-20 Moxtek, Inc. Method and apparatus for correcting a visible light beam using a wire-grid polarizer
JP2003029211A (ja) * 2001-07-19 2003-01-29 Canon Inc 投射型画像表示装置
EP1436545A4 (fr) * 2001-10-19 2007-10-03 3M Innovative Properties Co Systeme de conversion de polarisation pour eclairage
US6909473B2 (en) * 2002-01-07 2005-06-21 Eastman Kodak Company Display apparatus and method
US7061561B2 (en) * 2002-01-07 2006-06-13 Moxtek, Inc. System for creating a patterned polarization compensator
US6785050B2 (en) 2002-05-09 2004-08-31 Moxtek, Inc. Corrosion resistant wire-grid polarizer and method of fabrication
US20040212883A1 (en) * 2002-08-15 2004-10-28 Agere Systems Inc. Planar polarization beam combiner/splitter
US7113335B2 (en) * 2002-12-30 2006-09-26 Sales Tasso R Grid polarizer with suppressed reflectivity
TW594053B (en) * 2003-03-25 2004-06-21 Delta Electronics Inc Image projection apparatus and its optical polarization module
JP4556486B2 (ja) * 2004-05-19 2010-10-06 セイコーエプソン株式会社 偏光子及びプロジェクタ
DE102004029056A1 (de) 2004-06-16 2006-01-12 Carl Zeiss Variable Blende, Beleuchtungseinrichtung, optische Beobachtungseinrichtung sowie optisches Beobachtungsgerät
US20080055722A1 (en) * 2006-08-31 2008-03-06 Perkins Raymond T Optical Polarization Beam Combiner/Splitter with an Inorganic, Dielectric Grid Polarizer
US7570424B2 (en) * 2004-12-06 2009-08-04 Moxtek, Inc. Multilayer wire-grid polarizer
US20080055549A1 (en) * 2006-08-31 2008-03-06 Perkins Raymond T Projection Display with an Inorganic, Dielectric Grid Polarizer
US7800823B2 (en) * 2004-12-06 2010-09-21 Moxtek, Inc. Polarization device to polarize and further control light
US20080055720A1 (en) * 2006-08-31 2008-03-06 Perkins Raymond T Optical Data Storage System with an Inorganic, Dielectric Grid Polarizer
US7630133B2 (en) * 2004-12-06 2009-12-08 Moxtek, Inc. Inorganic, dielectric, grid polarizer and non-zero order diffraction grating
US7961393B2 (en) 2004-12-06 2011-06-14 Moxtek, Inc. Selectively absorptive wire-grid polarizer
US20080055721A1 (en) * 2006-08-31 2008-03-06 Perkins Raymond T Light Recycling System with an Inorganic, Dielectric Grid Polarizer
CN100445801C (zh) * 2006-01-18 2008-12-24 台达电子工业股份有限公司 用于光学设备的光线耦合装置
US20070296921A1 (en) * 2006-06-26 2007-12-27 Bin Wang Projection display with a cube wire-grid polarizing beam splitter
US20070297052A1 (en) * 2006-06-26 2007-12-27 Bin Wang Cube wire-grid polarizing beam splitter
US8755113B2 (en) * 2006-08-31 2014-06-17 Moxtek, Inc. Durable, inorganic, absorptive, ultra-violet, grid polarizer
US7789515B2 (en) * 2007-05-17 2010-09-07 Moxtek, Inc. Projection device with a folded optical path and wire-grid polarizer
US20080316599A1 (en) * 2007-06-22 2008-12-25 Bin Wang Reflection-Repressed Wire-Grid Polarizer
US8467128B2 (en) * 2008-11-19 2013-06-18 Shanghai Lexvu Opto Microelectronics Technology Co., Ltd. Polarizing cube and method of fabricating the same
US8248696B2 (en) 2009-06-25 2012-08-21 Moxtek, Inc. Nano fractal diffuser
CA2776235C (fr) * 2009-10-01 2018-03-13 Tornado Medical Systems, Inc. Trancheur optique destine a ameliorer la resolution spectrale d'un spectrographe a dispersion
US9339993B2 (en) 2010-09-14 2016-05-17 Corning Incorporated Appliance fascia and mounting therefore
US8913321B2 (en) 2010-09-21 2014-12-16 Moxtek, Inc. Fine pitch grid polarizer
US8611007B2 (en) 2010-09-21 2013-12-17 Moxtek, Inc. Fine pitch wire grid polarizer
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
US9188723B2 (en) 2013-03-14 2015-11-17 Ppg Industries Ohio, Inc. Patterns on glass for increased light transmission and/or light trapping
US9632223B2 (en) 2013-10-24 2017-04-25 Moxtek, Inc. Wire grid polarizer with side region
EP3248050B1 (fr) 2015-01-21 2020-06-03 Tornado Spectral Systems, Inc. Dispositif de reformatage optique image-pupille hybride
CN109844617B (zh) * 2016-10-13 2022-07-12 株式会社Lg化学 光学隔离装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522985A (en) * 1965-10-23 1970-08-04 Polaroid Corp High-transmission light polarizer
GB1194226A (en) * 1966-10-17 1970-06-10 Texas Instruments Inc Information Display Method and System.
US3692385A (en) * 1970-06-01 1972-09-19 John George Gievers Rotation sensitive retarder system
US3704997A (en) * 1971-05-19 1972-12-05 American Optical Corp Variable amplitude polarizing beam splitter
US4127322A (en) * 1975-12-05 1978-11-28 Hughes Aircraft Company High brightness full color image light valve projection system
US4127332A (en) * 1976-11-19 1978-11-28 Daedalean Associates, Inc. Homogenizing method and apparatus
JPS6118481Y2 (fr) * 1980-05-09 1986-06-05
US4345258A (en) * 1980-12-15 1982-08-17 The Singer Company Color display system
JPS59127019A (ja) * 1983-01-11 1984-07-21 Canon Inc プリンタヘツド
JPH0627907B2 (ja) * 1983-02-16 1994-04-13 株式会社日立製作所 光学的情報処理装置
JPH061303B2 (ja) * 1984-11-20 1994-01-05 ソニー株式会社 偏光照明装置
JPS62295025A (ja) * 1986-06-16 1987-12-22 Seiko Epson Corp 投射型表示装置
JPH0792561B2 (ja) * 1986-07-08 1995-10-09 株式会社精工舎 投写式液晶表示装置
JPH0769539B2 (ja) * 1986-11-12 1995-07-31 株式会社日立製作所 液晶表示装置
JPS63168622A (ja) * 1987-01-05 1988-07-12 Canon Inc 光偏向素子
US4786146A (en) * 1987-02-11 1988-11-22 Hughes Aircraft Company Color sequential illumination system for a liquid crystal light valve
JPS63200102A (ja) * 1987-02-17 1988-08-18 Alps Electric Co Ltd バツクライト照光装置
JPS63271313A (ja) * 1987-04-30 1988-11-09 Nikon Corp 偏光器

Also Published As

Publication number Publication date
KR0152982B1 (ko) 1998-11-16
CN1020133C (zh) 1993-03-17
CN1043994A (zh) 1990-07-18
US4913529A (en) 1990-04-03
KR900010448A (ko) 1990-07-07
JP2747349B2 (ja) 1998-05-06
JPH02239219A (ja) 1990-09-21
EP0376395A2 (fr) 1990-07-04
DE68916398T2 (de) 1995-02-02
EP0376395B1 (fr) 1994-06-22
EP0376395A3 (fr) 1991-01-23
DE68916398D1 (de) 1994-07-28

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