TW200622435A - Rod-shaped light transmission body, illuminating device, and liquid crystal display device - Google Patents

Rod-shaped light transmission body, illuminating device, and liquid crystal display device

Info

Publication number
TW200622435A
TW200622435A TW094109858A TW94109858A TW200622435A TW 200622435 A TW200622435 A TW 200622435A TW 094109858 A TW094109858 A TW 094109858A TW 94109858 A TW94109858 A TW 94109858A TW 200622435 A TW200622435 A TW 200622435A
Authority
TW
Taiwan
Prior art keywords
rod
transmission body
light
light transmission
shaped light
Prior art date
Application number
TW094109858A
Other languages
English (en)
Other versions
TWI302216B (en
Inventor
Satoshi Maeda
Hirokazu Aritake
Original Assignee
Fujitsu 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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of TW200622435A publication Critical patent/TW200622435A/zh
Application granted granted Critical
Publication of TWI302216B publication Critical patent/TWI302216B/zh

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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • 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
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
TW094109858A 2004-12-28 2005-03-29 Rod-shaped light transmission body, illuminating device, and liquid crystal display device TWI302216B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004378566A JP4553726B2 (ja) 2004-12-28 2004-12-28 棒状導光体、照明装置及び液晶表示装置

Publications (2)

Publication Number Publication Date
TW200622435A true TW200622435A (en) 2006-07-01
TWI302216B TWI302216B (en) 2008-10-21

Family

ID=35219418

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094109858A TWI302216B (en) 2004-12-28 2005-03-29 Rod-shaped light transmission body, illuminating device, and liquid crystal display device

Country Status (7)

Country Link
US (1) US7210840B2 (zh)
EP (1) EP1677048B1 (zh)
JP (1) JP4553726B2 (zh)
KR (1) KR100706153B1 (zh)
CN (1) CN100409077C (zh)
DE (1) DE602005019373D1 (zh)
TW (1) TWI302216B (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI255924B (en) * 2005-03-16 2006-06-01 Au Optronics Corp Backlight module and brightness enhancement film thereof
KR101446951B1 (ko) * 2007-07-19 2014-10-06 삼성디스플레이 주식회사 광 가이드 바, 선광원장치, 면광원장치, 및 디스플레이장치
JP5225015B2 (ja) * 2007-10-19 2013-07-03 富士フイルム株式会社 導光板
DE102008034052B4 (de) * 2008-07-22 2019-08-14 HELLA GmbH & Co. KGaA Lichtleitkörper zur Anwendung als Positionslicht oder als Tagfahrlicht für ein Kraftfahrzeug
CN101832505A (zh) * 2009-03-13 2010-09-15 富士迈半导体精密工业（上海）有限公司 照明装置
JP6094238B2 (ja) * 2013-02-01 2017-03-15 市光工業株式会社 車両用灯具
TWI550327B (zh) * 2015-12-11 2016-09-21 友達光電股份有限公司 背光模組

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US172032A (en) * 1876-01-11 Improvement in presses for stamping and embossing soap
JPH07325208A (ja) 1994-05-31 1995-12-12 Canon Inc プリズムシート、該プリズムシートを備えた液晶表示装置、及び該液晶表示装置を備えた情報伝達装置
EP0819970B1 (en) 1996-02-07 2006-08-30 Nitto Jushi Kogyo Kabushiki Kaisha Surface light source device, liquid crystal display and asymmetric prism sheet
JPH10214035A (ja) 1997-01-30 1998-08-11 Canon Inc バックライト装置及びこれを用いた液晶表示装置
US6356391B1 (en) 1999-10-08 2002-03-12 3M Innovative Properties Company Optical film with variable angle prisms
EP1238227A1 (en) 1999-12-02 2002-09-11 Reflexite Corporation Asymmetric alternating prism arrays
JP4230777B2 (ja) * 2001-05-14 2009-02-25 日亜化学工業株式会社 発光装置及び車両用表示装置
JP4671562B2 (ja) 2001-08-31 2011-04-20 富士通株式会社 照明装置及び液晶表示装置
JP2003255343A (ja) * 2002-03-05 2003-09-10 Citizen Electronics Co Ltd カラー液晶表示装置のフロントライト
JP4205932B2 (ja) * 2002-11-19 2009-01-07 アルプス電気株式会社 照明装置及び液晶表示装置
EP1566590B1 (en) * 2002-11-29 2011-07-13 Fujitsu Limited Illumination device and liquid crystal display device
JP2004335434A (ja) * 2003-03-12 2004-11-25 Fujitsu Kasei Kk 面照明装置と液晶表示装置と光源装置
JP4336878B2 (ja) * 2003-05-20 2009-09-30 日本電気株式会社 導光体、光源装置、表示装置及びこれを備えた情報端末

Also Published As

Publication number Publication date
KR20060076148A (ko) 2006-07-04
US20060139950A1 (en) 2006-06-29
DE602005019373D1 (de) 2010-04-01
EP1677048A1 (en) 2006-07-05
KR100706153B1 (ko) 2007-04-11
JP2006185764A (ja) 2006-07-13
CN1797120A (zh) 2006-07-05
JP4553726B2 (ja) 2010-09-29
EP1677048B1 (en) 2010-02-17
TWI302216B (en) 2008-10-21
CN100409077C (zh) 2008-08-06
US7210840B2 (en) 2007-05-01

Similar Documents

Publication Publication Date Title
TW200707019A (en) Optical element for lateral light spreading in edge-lit displays and system using same
TW200622435A (en) Rod-shaped light transmission body, illuminating device, and liquid crystal display device
SG139558A1 (en) Light guide optical device
TW200613857A (en) White light generating unit, backlight assembly having the same and liquid crystal display device having the same
TW200741327A (en) Illumination optical device, exposure device and device production method
TW200707018A (en) Color mixing illumination light unit and system using same
WO2007002476A3 (en) Backlight module display with optical coupler and lightguide
RU2012104623A (ru) Осветительный модуль свободной формы
TW200617452A (en) System and method of illuminating interferometric modulators using backlighting
WO2008045311A3 (en) Illumination device with built-in light coupler
WO2008078543A1 (ja) 面状照明装置とそれを用いた液晶表示装置
TW200702881A (en) Projection device
IL190122A0 (en) A projection display with a rod-like rectangular cross-section waveguide and a plate-like waveguide, each of them having a diffraction grating
TW200626973A (en) Turning film using array of roof prism
TW200627024A (en) Liquid crystal display
TW200615680A (en) Projection system with scrolling color illumination
TW200720774A (en) Brightness enhancement film and backlight module
TWI289691B (en) Light conducting unit, illumination apparatus, and projection type display apparatus
TW200727015A (en) Display device
WO2009028291A1 (ja) 導光体ユニット、照明装置、及び、液晶表示装置
TW200732769A (en) Lighting device and liquid crystal display device
TW200728789A (en) Light guiding structure
TW200638075A (en) Light guide plate and backlight module using the same
GB2430762A (en) Light source arrangement
WO2005084245A3 (en) Compact projection system including a light guide array

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees