DE69330764D1 - Beleuchtungsvorrichtung und Flüssigkristallanzeigevorrichtung - Google Patents

Beleuchtungsvorrichtung und Flüssigkristallanzeigevorrichtung

Info

Publication number
DE69330764D1
DE69330764D1 DE69330764T DE69330764T DE69330764D1 DE 69330764 D1 DE69330764 D1 DE 69330764D1 DE 69330764 T DE69330764 T DE 69330764T DE 69330764 T DE69330764 T DE 69330764T DE 69330764 D1 DE69330764 D1 DE 69330764D1
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal display
display device
lighting device
lighting
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
DE69330764T
Other languages
English (en)
Other versions
DE69330764T2 (de
Inventor
Tomoki Gunjima
Yoshiharu Ooi
Masao Ozeki
Hiroaki Ito
Hiroshi Hasebe
Tetsuro Matsumoto
Yutsaka Nakagawa
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.)
AGC Inc
Original Assignee
Asahi Glass Co Ltd
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
Priority claimed from JP15126093A external-priority patent/JP3604413B2/ja
Application filed by Asahi Glass Co Ltd filed Critical Asahi Glass Co Ltd
Application granted granted Critical
Publication of DE69330764D1 publication Critical patent/DE69330764D1/de
Publication of DE69330764T2 publication Critical patent/DE69330764T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/14—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing polarised light
    • 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
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
DE69330764T 1992-10-09 1993-10-08 Beleuchtungsvorrichtung und Flüssigkristallanzeigevorrichtung Expired - Lifetime DE69330764T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP29802192 1992-10-09
JP5159493 1993-02-17
JP15126093A JP3604413B2 (ja) 1993-05-28 1993-05-28 直視型液晶表示装置
JP15614293 1993-06-02

Publications (2)

Publication Number Publication Date
DE69330764D1 true DE69330764D1 (de) 2001-10-18
DE69330764T2 DE69330764T2 (de) 2002-07-04

Family

ID=27462665

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69330764T Expired - Lifetime DE69330764T2 (de) 1992-10-09 1993-10-08 Beleuchtungsvorrichtung und Flüssigkristallanzeigevorrichtung
DE69325874T Expired - Lifetime DE69325874T2 (de) 1992-10-09 1993-10-08 Beleuchtungsvorrichtung und Flüssigkristall-Anzeigevorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69325874T Expired - Lifetime DE69325874T2 (de) 1992-10-09 1993-10-08 Beleuchtungsvorrichtung und Flüssigkristall-Anzeigevorrichtung

Country Status (5)

Country Link
US (1) US5587816A (de)
EP (2) EP0597261B1 (de)
KR (1) KR100264415B1 (de)
DE (2) DE69330764T2 (de)
TW (1) TW594115B (de)

Families Citing this family (172)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6002829A (en) 1992-03-23 1999-12-14 Minnesota Mining And Manufacturing Company Luminaire device
WO1994029765A1 (en) * 1993-06-08 1994-12-22 Minnesota Mining And Manufacturing Company Liquid crystal display with enhanced brightness
US6025897A (en) * 1993-12-21 2000-02-15 3M Innovative Properties Co. Display with reflective polarizer and randomizing cavity
EP0735952B1 (de) * 1993-12-21 2000-03-22 Minnesota Mining And Manufacturing Company Mehrschichtiger optischer film
US6804058B1 (en) 1993-12-21 2004-10-12 3M Innovative Properties Company Electroluminescent light source and display incorporating same
JP2790032B2 (ja) * 1994-03-11 1998-08-27 松下電器産業株式会社 透過型スクリーンとその製造方法
JP3219943B2 (ja) * 1994-09-16 2001-10-15 株式会社東芝 平面直視型表示装置
EP0942227B1 (de) * 1994-09-27 2004-03-24 Minnesota Mining And Manufacturing Company Folie zur Luminanzsteuerung
US5729306A (en) * 1994-09-30 1998-03-17 Sharp Kabushiki Kaisha Light splitting and synthesizing device and liquid crystal display apparatus including the same
US5929951A (en) * 1994-10-21 1999-07-27 Canon Kabushiki Kaisha Illumination device and display apparatus including same
US5579134A (en) * 1994-11-30 1996-11-26 Honeywell Inc. Prismatic refracting optical array for liquid flat panel crystal display backlight
GB2296808A (en) * 1994-12-29 1996-07-10 Sharp Kk Illumination system for display device
ES2106674B1 (es) * 1995-01-13 1998-06-16 Velasco Dorado Dionisio Sistema productor de efectos opticos en rotulos luminosos.
JP2915317B2 (ja) * 1995-02-28 1999-07-05 インターナショナル・ビジネス・マシーンズ・コーポレイション 導光体ユニット、液晶表示装置及び偏光方法
US5751388A (en) 1995-04-07 1998-05-12 Honeywell Inc. High efficiency polarized display
JPH08339710A (ja) * 1995-06-12 1996-12-24 Nikon Corp 光源装置
FR2735875B1 (fr) * 1995-06-21 1997-08-14 Thomson Multimedia Sa Dispositif optique de polarisation et systeme de projection du type a valve a cristaux liquides utilisant un tel dispositif optique
JPH095739A (ja) * 1995-06-22 1997-01-10 Internatl Business Mach Corp <Ibm> 導光シ−ト及びその製造方法、及び前記導光シ−トを用いたバックライト及び前記バックライトを用いた液晶表示装置
US6080467A (en) * 1995-06-26 2000-06-27 3M Innovative Properties Company High efficiency optical devices
AU708412B2 (en) * 1995-06-26 1999-08-05 Minnesota Mining And Manufacturing Company Diffusely reflecting multilayer polarizers and mirrors
IL122911A0 (en) * 1995-08-11 1998-08-16 Minnesota Mining & Mfg Electroluminescent lamp using multilayer optical film
CN1183407C (zh) * 1995-08-23 2005-01-05 皇家菲利浦电子有限公司 照明系统及含该照明系统的平板图像显示装置
WO1997008583A1 (en) * 1995-08-23 1997-03-06 Philips Electronics N.V. Illumination system for a flat-panel picture display device
DE69632679T2 (de) * 1995-09-22 2005-06-16 Koninklijke Philips Electronics N.V. Flachbildschirmanzeige
GB2306741A (en) * 1995-10-24 1997-05-07 Sharp Kk Illuminator
US6104454A (en) * 1995-11-22 2000-08-15 Hitachi, Ltd Liquid crystal display
JPH09218407A (ja) * 1995-12-05 1997-08-19 Canon Inc 照明装置、及び該照明装置を備えた液晶装置
WO1997022834A1 (en) * 1995-12-21 1997-06-26 Alliedsignal Inc. Illumination assembly for providing a polarized light source
US5608552A (en) * 1995-12-26 1997-03-04 Hughes Electronics Liquid crystal display having an off-axis full-color holographic filter
US5959704A (en) 1996-02-08 1999-09-28 Fujitsu Limited Display device having diffraction grating
US5783120A (en) * 1996-02-29 1998-07-21 Minnesota Mining And Manufacturing Company Method for making an optical film
JP4221522B2 (ja) 1996-02-29 2009-02-12 スリーエム カンパニー 共一連続相を有する光学薄膜
US5825543A (en) 1996-02-29 1998-10-20 Minnesota Mining And Manufacturing Company Diffusely reflecting polarizing element including a first birefringent phase and a second phase
CN1121622C (zh) 1996-02-29 2003-09-17 美国3M公司 使用漫反射偏振器的显示器
US5867316A (en) * 1996-02-29 1999-02-02 Minnesota Mining And Manufacturing Company Multilayer film having a continuous and disperse phase
JPH09269418A (ja) * 1996-03-29 1997-10-14 Enplas Corp 光制御部材及び面光源装置
FR2751398B1 (fr) * 1996-07-16 1998-08-28 Thomson Csf Dispositif d'eclairage et application a l'eclairage d'un ecran transmissif
KR100441548B1 (ko) * 1996-09-23 2004-12-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 평판형화상표시장치용조사장치
JPH10293212A (ja) * 1997-02-18 1998-11-04 Dainippon Printing Co Ltd バックライト及び液晶表示装置
US5881201A (en) * 1997-03-11 1999-03-09 Hoechst Celanese Corporation Backlighting lightpipes for display applications
JPH10339872A (ja) * 1997-06-09 1998-12-22 Nitto Denko Corp 液晶表示装置
US5986728A (en) * 1997-07-23 1999-11-16 Litton Systems, Inc. Optically enhance day/night liquid crystal display backlight with TIR lens and both light sources on same side of waveguide
US6104455A (en) * 1997-08-27 2000-08-15 Dai Nippon Printing Co., Ltd. Back light device and liquid crystal display apparatus
JP3300642B2 (ja) 1997-09-08 2002-07-08 株式会社東芝 画像表示装置
JP3808992B2 (ja) * 1997-11-21 2006-08-16 三菱電機株式会社 液晶パネルモジュール
US5999316A (en) 1997-12-06 1999-12-07 3M Innovative Properties Company Light valve with rotating polarizing element
US6151089A (en) * 1998-01-20 2000-11-21 Sony Corporation Reflection type display with light waveguide with inclined and planar surface sections
US5949933A (en) * 1998-03-03 1999-09-07 Alliedsignal Inc. Lenticular illumination system
JPH11259007A (ja) * 1998-03-10 1999-09-24 Sony Corp 反射型表示装置
TW565733B (en) * 1998-03-18 2003-12-11 Hitachi Ltd Liquid crystal display device
FR2776811B1 (fr) * 1998-03-25 2001-12-14 Christophe Blanc Dispositif lumineux eclaire par la tranche
JPH11295714A (ja) * 1998-04-08 1999-10-29 Enplas Corp 液晶表示パネル、液晶表示装置及びシート部材
JP2002513165A (ja) * 1998-04-24 2002-05-08 ミネソタ マイニング アンド マニュファクチャリング カンパニー 自己接着性拡散体を用いた光構成要素
US6227669B1 (en) * 1998-05-26 2001-05-08 Industrial Technology Research Institute Illumination device and image projection apparatus comprising the device
JP4223094B2 (ja) 1998-06-12 2009-02-12 株式会社半導体エネルギー研究所 電気光学表示装置
JP2000002872A (ja) * 1998-06-16 2000-01-07 Semiconductor Energy Lab Co Ltd 液晶表示装置およびその作製方法
JP3822361B2 (ja) * 1998-07-10 2006-09-20 株式会社日立製作所 配光制御素子およびこれを備えた表示装置
US6005713A (en) * 1998-08-21 1999-12-21 3M Innovative Properties Company Multilayer polarizer having a continuous and disperse phase
JP2000164016A (ja) 1998-09-24 2000-06-16 Sharp Corp 面光源装置
CA2290860C (en) * 1998-11-27 2007-05-22 National Research Council Of Canada Polarizing back-lighting system for direct view liquid crystal displays
US6403223B1 (en) 1999-01-05 2002-06-11 Telspan Services Inc. Circular polarizer comprising anti-reflection material
KR100284344B1 (ko) * 1999-01-30 2001-03-02 김순택 반사형 액정표시소자
WO2000057241A1 (en) * 1999-03-24 2000-09-28 Lg Chemical Ltd. A backlight system
JP2000280527A (ja) * 1999-04-02 2000-10-10 Mitsubishi Electric Corp 光プリントヘッド
US6515785B1 (en) * 1999-04-22 2003-02-04 3M Innovative Properties Company Optical devices using reflecting polarizing materials
JP2000330107A (ja) * 1999-05-24 2000-11-30 Nitto Denko Corp 液晶表示装置
EP1055872A1 (de) * 1999-05-28 2000-11-29 University of Liege Beleuchtungs Vorrichtung
JP3574365B2 (ja) 1999-05-28 2004-10-06 ユニベルシテ・ド・リエージュ 照明装置、その用い方及び製造方法
US6972813B1 (en) * 1999-06-09 2005-12-06 3M Innovative Properties Company Optical laminated bodies, lighting equipment and area luminescence equipment
KR100425561B1 (ko) * 1999-06-18 2004-04-03 가부시키가이샤 엔프라스 면광원장치, 화상표시장치 및 반사시트
US6317545B1 (en) * 1999-09-01 2001-11-13 James T. Veligdan Stepped inlet optical panel
US6425673B1 (en) * 1999-09-20 2002-07-30 Mitsubisshi Chemical Corporation Light guide pipe having elongate roughened protrusions and/or roughened concaves, planar light source unit having a broad viewing angle characteristic, and liquid crystal display device
US6845212B2 (en) 1999-10-08 2005-01-18 3M Innovative Properties Company Optical element having programmed optical structures
CA2384825C (en) * 1999-10-08 2006-05-30 3M Innovative Properties Company Display illumination device and method of enhancing brightness in a display illumination device
US7046905B1 (en) 1999-10-08 2006-05-16 3M Innovative Properties Company Blacklight with structured surfaces
US6447135B1 (en) 1999-10-08 2002-09-10 3M Innovative Properties Company Lightguide having a directly secured reflector and method of making the same
US6356391B1 (en) 1999-10-08 2002-03-12 3M Innovative Properties Company Optical film with variable angle prisms
JP2001166302A (ja) * 1999-12-09 2001-06-22 Enplas Corp 液晶表示装置、面光源装置及び光制御シート
FR2802308B1 (fr) 1999-12-09 2002-03-08 Gc Comm Procede et dispositif d'usinage par laser de guides de lumiere, guides de lumiere obtenus et ecrans retro-elaires incorporant ces guides
TW454098B (en) * 1999-12-31 2001-09-11 Lee Chih Kung The configuration of a backlight module that can control the polarization state of the output light beams
US6747801B2 (en) * 2000-01-13 2004-06-08 Nitto Denko Corporation Optical film and liquid-crystal display device
AU5561701A (en) * 2000-04-25 2001-11-07 Honeywell Int Inc Hollow cavity light guide for the distribution of collimated light to a liquid crystal display
US6352350B1 (en) * 2000-06-01 2002-03-05 Agilent Technologies, Inc. High efficiency flat illuminator for liquid crystal micro-display
KR20020001594A (ko) * 2000-06-26 2002-01-09 가마이 고로 도광판, 면광원 장치 및 반사형 액정 표시 장치
EP1180698A1 (de) * 2000-08-08 2002-02-20 THOMSON multimedia Linsenscheibe für eine Anzeigevorrichtung
JP4011292B2 (ja) * 2001-01-15 2007-11-21 株式会社日立製作所 発光素子、及び表示装置
JP4728515B2 (ja) * 2001-03-21 2011-07-20 株式会社リコー 光路素子、空間光変調器および画像表示装置
JP3599022B2 (ja) * 2002-01-10 2004-12-08 カシオ計算機株式会社 液晶表示装置
JP2003295183A (ja) * 2002-03-29 2003-10-15 Citizen Watch Co Ltd 液晶表示装置の平面照明装置
JP4198975B2 (ja) * 2002-11-28 2008-12-17 アルプス電気株式会社 照明装置、導光体、及び液晶表示装置
TWI321683B (en) * 2002-11-29 2010-03-11 Hon Hai Prec Ind Co Ltd Polarized light source system and liquid crystal display using the same
CN100383622C (zh) * 2002-12-03 2008-04-23 鸿富锦精密工业（深圳）有限公司 背光模组及液晶显示装置
AU2003294393A1 (en) * 2002-12-04 2004-06-23 Sabic Innovative Plastics Ip B.V. High index of refraction coated light management films
US6811274B2 (en) 2002-12-04 2004-11-02 General Electric Company Polarization sensitive optical substrate
KR100504539B1 (ko) * 2002-12-27 2005-08-01 엘지.필립스 엘시디 주식회사 액정표시장치
DE10315773A1 (de) * 2003-04-07 2004-11-11 BSH Bosch und Siemens Hausgeräte GmbH Anzeigeeinheit für ein Haushaltsgerät
US7303322B2 (en) * 2003-12-23 2007-12-04 3M Innovative Properties Company Multiple lightguide backlight
US7223005B2 (en) * 2003-12-23 2007-05-29 Lamb David J Hybrid lightguide backlight
US20050141837A1 (en) * 2003-12-30 2005-06-30 Au Optronics Corporation Bendable light guide
US7450194B2 (en) * 2004-03-04 2008-11-11 Nitto Denko Corporation Polarized interference recycling backlight module and liquid crystal display incorporating the same
US7733443B2 (en) 2004-03-09 2010-06-08 Nitto Denko Corporation LCD comprising backlight and reflective polarizer on front panel
US7456915B2 (en) * 2004-03-26 2008-11-25 Nitto Denko Corporation Liquid crystal display panel with broadband interference polarizers
KR20050103685A (ko) * 2004-04-27 2005-11-01 삼성전자주식회사 액정 표시 장치용 휘도 강화 필름 및 그 제조 방법
US7572490B2 (en) * 2004-04-27 2009-08-11 Samsung Electronics Co., Ltd. Brightness enhancement film for liquid crystal display and manufacturing method thereof
US20050276073A1 (en) * 2004-05-28 2005-12-15 Eastman Kodak Company Diffusive reflector films for enhanced liquid crystal display efficiency
US7092163B2 (en) * 2004-07-22 2006-08-15 General Electric Company Light collimating and diffusing film and system for making the film
US7561332B2 (en) * 2004-11-30 2009-07-14 Agoura Technologies, Inc. Applications and fabrication techniques for large scale wire grid polarizers
KR100665871B1 (ko) * 2005-04-21 2007-01-10 미래나노텍(주) 액정표시장치의 백라이트 어셈블리
TW200639502A (en) * 2005-05-06 2006-11-16 Jemitek Electronics Corp Flat display module
KR100707164B1 (ko) * 2005-06-08 2007-04-13 삼성전기주식회사 색분산 개선용 확산판 및 이를 채용한 디스플레이 소자용조명장치
US7903194B2 (en) 2005-06-24 2011-03-08 3M Innovative Properties Company Optical element for lateral light spreading in back-lit displays and system using same
US20060290845A1 (en) * 2005-06-24 2006-12-28 Hebrink Timothy J Polarization sensitive illumination element and system using same
US7322731B2 (en) * 2005-06-24 2008-01-29 3M Innovative Properties Company Color mixing illumination light unit and system using same
US8023065B2 (en) * 2005-06-24 2011-09-20 3M Innovative Properties Company Optical element for lateral light spreading in edge-lit displays and system using same
KR100657968B1 (ko) 2005-08-27 2006-12-14 삼성전자주식회사 평판표시장치용 조명장치
JP4479692B2 (ja) * 2005-08-29 2010-06-09 エプソンイメージングデバイス株式会社 電気光学装置及び電子機器
JP2007065160A (ja) 2005-08-30 2007-03-15 Keiwa Inc 光学シート用基材フィルム、光学シート及びバックライトユニット
EP1760500A3 (de) * 2005-09-02 2007-08-01 Samsung Electronics Co., Ltd. Beleuchter für ein Flachbildschirmgerät und Beleuchter für ein doppelseitiges Flachbildschirmgerät
JP2007078810A (ja) * 2005-09-12 2007-03-29 Fujifilm Corp 液晶表示装置及び発光素子
US7486854B2 (en) 2006-01-24 2009-02-03 Uni-Pixel Displays, Inc. Optical microstructures for light extraction and control
KR100738104B1 (ko) * 2006-02-08 2007-07-12 삼성전자주식회사 편광 도광판 및 그 제조 방법 및 상기 편광 도광판을이용한 평판표시장치용 조명장치
JP5554885B2 (ja) 2006-04-18 2014-07-23 恵和株式会社 液晶表示モジュール
KR100813253B1 (ko) * 2006-04-27 2008-03-13 삼성전자주식회사 고효율의 편광도광판 유닛, 이를 채용한 백라이트 유닛 및디스플레이 장치
JP2007304219A (ja) * 2006-05-09 2007-11-22 Keiwa Inc 光学シート用基材フィルム、光学シート及び液晶表示モジュール
KR100861982B1 (ko) * 2006-05-11 2008-10-07 삼성전자주식회사 편광된 컬러 광을 제공하는 조명장치 및 이를 채용한디스플레이 장치
JP2008003514A (ja) * 2006-06-26 2008-01-10 Keiwa Inc 光学ユニット及び液晶表示モジュール
US7784954B1 (en) 2006-07-25 2010-08-31 Fusion Optix, Inc. Polarization sensitive light homogenizer
KR100785025B1 (ko) * 2006-10-26 2007-12-12 삼성전자주식회사 디스플레이 소자용 양면 조명장치 및 이를 채용한 양면디스플레이 소자
WO2008050288A1 (en) 2006-10-26 2008-05-02 Koninklijke Philips Electronics N.V. Illumination system and display device
JP4957195B2 (ja) * 2006-11-09 2012-06-20 ソニー株式会社 液晶表示装置
US20080129930A1 (en) * 2006-12-01 2008-06-05 Agoura Technologies Reflective polarizer configuration for liquid crystal displays
US7806579B2 (en) * 2007-03-30 2010-10-05 Honeywell International Inc. Luminaire having a two-way waveguide
KR101353396B1 (ko) * 2007-04-12 2014-01-20 삼성디스플레이 주식회사 시야각 및 휘도 특성이 개선된 액정 표시 장치
US20080259248A1 (en) * 2007-04-19 2008-10-23 Hitachi Maxell, Ltd Multilens member, illumination apparatus, and liquid crystal display apparatus
CN101681049A (zh) * 2007-05-29 2010-03-24 夏普株式会社 液晶显示装置和电视接收装置
JP5010527B2 (ja) * 2007-06-04 2012-08-29 住友化学株式会社 導光板ユニット、面光源装置及び液晶表示装置
US20080304801A1 (en) * 2007-06-11 2008-12-11 Jeng Shiang Precision Ind. Co., Ltd. High-brightness light guide plate
TWM334359U (en) * 2007-12-18 2008-06-11 Wintek Corp Back light module and liquid crystal display
CN101952770A (zh) * 2008-02-15 2011-01-19 夏普株式会社 背光源单元和液晶显示装置
US7493010B1 (en) 2008-03-20 2009-02-17 Emerging Display Technologies Co., Ltd. Stepped light guide
EP2291694A2 (de) * 2008-05-28 2011-03-09 QUALCOMM MEMS Technologies, Inc. Lichtleiterplatte mit lichtdrehungsmikrostruktur, verfahren zu ihrer herstellung und anzeigevorrichtung damit
US8917448B2 (en) 2008-11-19 2014-12-23 3M Innovative Properties Company Reflective film combinations with output confinement in both polar and azimuthal directions and related constructions
JP5426687B2 (ja) 2008-11-19 2014-02-26 スリーエム イノベイティブ プロパティズ カンパニー 照明器具及び他の照明システムにおける光管理のためのブリュースター角フィルム
CN102265195B (zh) 2008-11-19 2014-05-28 3M创新有限公司 在极角和方位角方向均具有输出限制的多层光学膜及相关构造
JP5538731B2 (ja) * 2009-01-29 2014-07-02 キヤノン株式会社 積層薄膜、位相板、及び反射型液晶表示装置
CN102449513B (zh) 2009-05-29 2015-01-21 高通Mems科技公司 照明装置及其制造方法
GB2474298A (en) * 2009-10-12 2011-04-13 Iti Scotland Ltd Light Guide Device
US8545062B2 (en) * 2009-12-08 2013-10-01 Industrial Technology Research Institute Light uniformization structure and light emitting module
US20110134646A1 (en) * 2009-12-08 2011-06-09 Industrial Technology Research Institute Light uniformization structure and light emitting module
JP5307766B2 (ja) * 2009-12-21 2013-10-02 韓國電子通信研究院 電界放出装置
GB2478987A (en) 2010-03-26 2011-09-28 Iti Scotland Ltd Encapsulation of an LED array forming a light concentrator for use with edge-lit light-guided back lights
WO2011145134A1 (ja) * 2010-05-17 2011-11-24 Ｎｅｃディスプレイソリューションズ株式会社 バックライトユニット及びそのバックライトユニットを用いた液晶表示装置
US9528820B2 (en) * 2011-06-09 2016-12-27 Ams Ag System and method for using a linear polarizer to reduce optical crosstalk for optical proximity sensors
TWI514045B (zh) * 2011-12-08 2015-12-21 Lms Co Ltd 多層光學片組件
US9310619B2 (en) * 2012-02-15 2016-04-12 Sharp Kabushiki Kaisha Optical film
JP6377887B2 (ja) * 2012-02-17 2018-08-22 学校法人慶應義塾 液晶表示装置
FR2990379B1 (fr) * 2012-05-10 2014-04-25 Saint Gobain Vitrage eclairant avec deflecteur incorpore
US20140169029A1 (en) * 2012-12-13 2014-06-19 3M Innovative Properties Company Beaded clear optical layers for turning or extracting light
WO2015141369A1 (ja) * 2014-03-20 2015-09-24 シャープ株式会社 照明装置及び表示装置
CN104007573A (zh) 2014-04-18 2014-08-27 京东方光科技有限公司 显示面板、膜材的贴附方法及显示面板的制备方法
CN103995363A (zh) * 2014-05-07 2014-08-20 京东方科技集团股份有限公司 一种偏振分光器、背光模组和显示装置
CN104965344B (zh) * 2015-07-10 2018-09-11 深圳市华星光电技术有限公司 液晶显示装置及其导光板的制造方法
JP6829969B2 (ja) * 2015-09-28 2021-02-17 日東電工株式会社 光学部材、ならびに、該光学部材を用いた偏光板のセットおよび液晶表示装置
US11016336B2 (en) 2016-02-12 2021-05-25 Microsoft Technology Licensing, Llc Bragg grating-based display filtering
US10067347B2 (en) 2016-04-13 2018-09-04 Microsoft Technology Licensing, Llc Waveguides with improved intensity distributions
US20170322359A1 (en) * 2016-05-04 2017-11-09 Samsung Display Co., Ltd. Display device
FR3051726B1 (fr) * 2016-05-26 2019-07-12 Saint-Gobain Glass France Toit vitre feuillete lumineux de vehicule, vehicule l'incorporant et fabrication
US10095045B2 (en) 2016-09-12 2018-10-09 Microsoft Technology Licensing, Llc Waveguide comprising a bragg polarization grating
US20180088270A1 (en) * 2016-09-29 2018-03-29 Amazon Technologies, Inc. Lightguide assembly for electronic display
US10401553B2 (en) * 2017-03-21 2019-09-03 Keiwa Inc. Liquid crystal display device and turning film for liquid crystal display device
DE102019001333A1 (de) * 2019-02-25 2020-01-09 Daimler Ag Beleuchtungsvorrichtung
CN111338128B (zh) * 2020-04-10 2022-11-22 马鞍山晶智科技有限公司 一种用于显示装置的透明光源系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5455114A (en) * 1977-10-11 1979-05-02 Ricoh Co Ltd Method and device for obtaining stereophonic television picture
JPS58211721A (ja) * 1982-06-04 1983-12-09 Olympus Optical Co Ltd 合焦検出方法
US4646215A (en) * 1985-08-30 1987-02-24 Gte Products Corporation Lamp reflector
JPH0727136B2 (ja) * 1987-11-12 1995-03-29 三菱レイヨン株式会社 面光源素子
US4798448A (en) * 1988-02-16 1989-01-17 General Electric Company High efficiency illumination system for display devices
JP2810053B2 (ja) * 1988-07-01 1998-10-15 株式会社日立製作所 光源装置および液晶表示装置
US5042921A (en) * 1988-10-25 1991-08-27 Casio Computer Co., Ltd. Liquid crystal display apparatus
JPH0315002A (ja) * 1989-03-06 1991-01-23 Toshihiro Kubota 光分割器
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
JP2915467B2 (ja) * 1990-02-22 1999-07-05 キヤノン株式会社 液晶プロジェクタ
US5101193A (en) * 1990-04-16 1992-03-31 Hughes Aircraft Company Universal stand-alone holographic center high mounted stoplight
JPH04141603A (ja) * 1990-10-03 1992-05-15 Seiko Epson Corp 偏光光源装置およびこれを用いた投射型液晶表示装置
JPH04184429A (ja) * 1990-11-20 1992-07-01 Seiko Epson Corp 偏光光源装置及びこれを用いた投射型液晶表示装置
JPH0695112A (ja) * 1992-09-16 1994-04-08 Hitachi Ltd プリズムプレートおよびそれを用いた情報表示装置
US5418631A (en) * 1993-05-14 1995-05-23 Kaiser Optical Systems, Inc. Edge-lit holographic diffusers for flat-panel displays

Also Published As

Publication number Publication date
DE69325874D1 (de) 1999-09-09
EP0898195B1 (de) 2001-09-12
TW594115B (en) 2004-06-21
EP0898195A2 (de) 1999-02-24
KR940009721A (ko) 1994-05-20
US5587816A (en) 1996-12-24
EP0597261A1 (de) 1994-05-18
DE69330764T2 (de) 2002-07-04
EP0597261B1 (de) 1999-08-04
EP0898195A3 (de) 1999-06-09
KR100264415B1 (ko) 2000-08-16
DE69325874T2 (de) 1999-12-02

Similar Documents

Publication Publication Date Title
DE69330764D1 (de) Beleuchtungsvorrichtung und Flüssigkristallanzeigevorrichtung
DE69331896D1 (de) Flächenhafte beleuchtungsvorrichtung und flüssigkristallanzeige
DE69522183D1 (de) Beleuchtungsvorrichtung und diese enthaltende Flüssigkristallanzeige
DE69523023D1 (de) Beleuchtungsvorrichtung und diese enthaltende Flüssigkristallanzeige
DE69836610D1 (de) Beleuchtungsvorrichtung und Flüssigkristallanzeigevorrichtung
DE69327028D1 (de) Flüssigkristall-Anzeigevorrichtung
DE69326282D1 (de) Flüssigkristall-Anzeigevorrichtung
DE69322308D1 (de) Flüssigkristallanzeigegerät
DE69223139D1 (de) Flüssigkristall-Anzeigevorrichtung
DE69319760D1 (de) Flüssigkristallanzeigevorrichtung
DE69323597D1 (de) Flüssigkristall-Anzeigevorrichtung
DE69334236D1 (de) Flüssigkristallanzeigevorrichtung
DE69325681D1 (de) Beleuchtete Flüssigkristall-Anzeigevorrichtung
DE69616916D1 (de) Flache lichtquelle und flüssigkristall-anzeigevorrichtung
DE69312785D1 (de) Flüssigkristall-Anzeigevorrichtung
DE69319943D1 (de) Flüssigkristallanzeigegerät
DE69328051D1 (de) Flüssigkristallanzeigevorrichtung
DE69432654D1 (de) Flüssigkristall-Anzeige und -vorrichtung
DE69331021D1 (de) Flüssigkristallanzeigeeinrichtung
DE69308666D1 (de) Flüssigkristallanzeigevorrichtung
DE69312805D1 (de) Flüssigkristall-Anzeigevorrichtung
DE69318276D1 (de) Flüssigkristall-Vorrichtung und Flüssigkristall-Anzeigevorrichtung
DE69315921D1 (de) Flüssigkristall-Anzeigevorrichtung
DE69818636D1 (de) Beleuchtungseinheit und flussigkristallanzeigevorrichtung
DE69315676D1 (de) Flüssigkristallanzeigevorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition