DE69632554D1 - Lichtleiteranordnung für eine Flüssigkristall-Anzeigevorrichtung - Google Patents

Lichtleiteranordnung für eine Flüssigkristall-Anzeigevorrichtung

Info

Publication number
DE69632554D1
DE69632554D1 DE69632554T DE69632554T DE69632554D1 DE 69632554 D1 DE69632554 D1 DE 69632554D1 DE 69632554 T DE69632554 T DE 69632554T DE 69632554 T DE69632554 T DE 69632554T DE 69632554 D1 DE69632554 D1 DE 69632554D1
Authority
DE
Germany
Prior art keywords
liquid crystal
display device
crystal display
light guide
guide arrangement
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
DE69632554T
Other languages
English (en)
Other versions
DE69632554T2 (de
Inventor
Masaru Suzuki
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.)
AU Optronics Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69632554D1 publication Critical patent/DE69632554D1/de
Application granted granted Critical
Publication of DE69632554T2 publication Critical patent/DE69632554T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • 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
    • 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
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • 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
    • G02B6/0035—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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped 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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0463—Portable signs, boards or panels
DE69632554T 1995-02-28 1996-02-28 Lichtleiteranordnung für eine Flüssigkristall-Anzeigevorrichtung Expired - Fee Related DE69632554T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4063395 1995-02-28
JP7040633A JP2915317B2 (ja) 1995-02-28 1995-02-28 導光体ユニット、液晶表示装置及び偏光方法

Publications (2)

Publication Number Publication Date
DE69632554D1 true DE69632554D1 (de) 2004-07-01
DE69632554T2 DE69632554T2 (de) 2006-01-05

Family

ID=12585960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69632554T Expired - Fee Related DE69632554T2 (de) 1995-02-28 1996-02-28 Lichtleiteranordnung für eine Flüssigkristall-Anzeigevorrichtung

Country Status (5)

Country Link
US (2) US5917565A (de)
EP (1) EP0730187B1 (de)
JP (1) JP2915317B2 (de)
KR (1) KR100230884B1 (de)
DE (1) DE69632554T2 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE19545821A1 (de) * 1995-12-08 1997-06-12 Friedrich Dipl Ing Luellau Vorrichtung zum Belichten von Druckplatten
JP4076028B2 (ja) 1997-02-18 2008-04-16 大日本印刷株式会社 偏光分離フィルム、バックライト及び液晶表示装置
US6104455A (en) * 1997-08-27 2000-08-15 Dai Nippon Printing Co., Ltd. Back light device and liquid crystal display apparatus
JP3874224B2 (ja) * 1997-09-12 2007-01-31 インターナショナル・ビジネス・マシーンズ・コーポレーション 偏光成分を増加させる導光体ユニットおよび液晶表示装置
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
US6151089A (en) * 1998-01-20 2000-11-21 Sony Corporation Reflection type display with light waveguide with inclined and planar surface sections
JPH11259007A (ja) * 1998-03-10 1999-09-24 Sony Corp 反射型表示装置
JP3978557B2 (ja) * 1998-09-22 2007-09-19 インターナショナル・ビジネス・マシーンズ・コーポレーション 偏光成分を増加させる導光体装置および液晶表示装置
JP2000321572A (ja) * 1999-05-17 2000-11-24 Nitto Denko Corp 液晶表示装置
KR100323827B1 (ko) * 1999-06-07 2002-02-19 구본준, 론 위라하디락사 면광원장치
JP3669682B2 (ja) * 1999-06-15 2005-07-13 シャープ株式会社 反射型液晶表示装置および携帯電子機器
JP2001051268A (ja) * 1999-08-17 2001-02-23 Nitto Denko Corp 液晶表示装置
DE19961390A1 (de) * 1999-12-20 2001-06-21 Mannesmann Vdo Ag Lichtleiter
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
KR100627109B1 (ko) * 2000-01-07 2006-09-22 엘지.필립스 엘시디 주식회사 반사형 표시장치
WO2001081992A1 (fr) * 2000-04-21 2001-11-01 Matsushita Electric Industrial Co., Ltd. Illuminateur, affichage d'image comprenant cet illuminateur, television a cristaux liquide, ecran d'affichage a cristaux liquides et terminal d'informations a cristaux liquides
KR20050042145A (ko) * 2002-08-09 2005-05-04 미츠비시 레이온 가부시키가이샤 면 광원 장치
JP2005107181A (ja) * 2003-09-30 2005-04-21 Sony Corp バックライト装置、液晶表示装置
KR20060130999A (ko) 2005-06-14 2006-12-20 삼성전자주식회사 개선된 도광판, 도광판을 개선한 백라이트 어셈블리 및이를 구비한 표시 장치
CN1908753A (zh) * 2005-08-05 2007-02-07 鸿富锦精密工业（深圳）有限公司 偏振光转换器、其制造方法及背光模组
US7397984B2 (en) * 2005-11-01 2008-07-08 Hewlett-Packard Development Company, L.P. Light guide screen louver device
US7633679B2 (en) * 2005-12-13 2009-12-15 Skc Haas Display Films Co., Ltd. Polarizing turning film
US7139125B1 (en) * 2005-12-13 2006-11-21 Eastman Kodak Company Polarizing turning film using total internal reflection
US20070133226A1 (en) * 2005-12-13 2007-06-14 Eastman Kodak Company Polarizing turning film with multiple operating orientations
RU2421932C2 (ru) * 2005-12-20 2011-06-20 Конинклейке Филипс Электроникс Н.В. Многослойный световод для производства фоновой подсветки
EP2103968B1 (de) * 2006-12-27 2012-09-12 Teijin Limited Polarisationselement und flüssigkristallanzeigeanordnung
JP2008288195A (ja) * 2007-03-07 2008-11-27 Rohm & Haas Denmark Finance As 偏光転向フィルムを含む、低減された色分解を有するバックライトユニット
JP2009003412A (ja) 2007-03-07 2009-01-08 Rohm & Haas Denmark Finance As 低減された色分解を有する偏光転向フィルム
US20080310003A1 (en) 2007-06-13 2008-12-18 Xiang-Dong Mi Turning film, display apparatus, and process
CN105022192A (zh) * 2015-08-10 2015-11-04 苏州固特斯电子科技有限公司 一种高聚光型液晶显示模组

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US5046826A (en) * 1987-09-19 1991-09-10 Canon Kabushiki Kaisha Illuminator and display panel employing the illuminator
US4798448A (en) * 1988-02-16 1989-01-17 General Electric Company High efficiency illumination system for display devices
US5157526A (en) * 1990-07-06 1992-10-20 Hitachi, Ltd. Unabsorbing type polarizer, method for manufacturing the same, polarized light source using the same, and apparatus for liquid crystal display using the same
JP2640578B2 (ja) * 1991-02-27 1997-08-13 シャープ株式会社 液晶用照明装置
US5202938A (en) * 1991-11-25 1993-04-13 Hoechst Celanese Corp. Laminated waveguiding polarizer utilizing polymeric birefringent cladding
US5528720A (en) * 1992-03-23 1996-06-18 Minnesota Mining And Manufacturing Co. Tapered multilayer luminaire devices
US5390276A (en) * 1992-10-08 1995-02-14 Briteview Technologies Backlighting assembly utilizing microprisms and especially suitable for use with a liquid crystal display
TW594115B (en) * 1992-10-09 2004-06-21 Asahi Glass Co Ltd A liquid crystal display device and an illumination device for a direct viewing type display element
JPH06265892A (ja) * 1993-03-10 1994-09-22 Asahi Glass Co Ltd 照明装置および液晶表示装置
US5828488A (en) * 1993-12-21 1998-10-27 Minnesota Mining And Manufacturing Co. Reflective polarizer display
US5982540A (en) * 1994-03-16 1999-11-09 Enplas Corporation Surface light source device with polarization function
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
US5546481A (en) * 1995-03-02 1996-08-13 United Technologies Corporation Single polarization fiber and amplifier

Also Published As

Publication number Publication date
JP2915317B2 (ja) 1999-07-05
JPH08248224A (ja) 1996-09-27
KR960032022A (ko) 1996-09-17
EP0730187B1 (de) 2004-05-26
EP0730187A3 (de) 1996-09-25
US6079841A (en) 2000-06-27
KR100230884B1 (ko) 1999-11-15
DE69632554T2 (de) 2006-01-05
EP0730187A2 (de) 1996-09-04
US5917565A (en) 1999-06-29

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AU OPTRONICS CORP., HSINCHU, TW

8339 Ceased/non-payment of the annual fee