WO2009028291A1 - 導光体ユニット、照明装置、及び、液晶表示装置 - Google Patents

導光体ユニット、照明装置、及び、液晶表示装置 Download PDF

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Publication number
WO2009028291A1
WO2009028291A1 PCT/JP2008/063682 JP2008063682W WO2009028291A1 WO 2009028291 A1 WO2009028291 A1 WO 2009028291A1 JP 2008063682 W JP2008063682 W JP 2008063682W WO 2009028291 A1 WO2009028291 A1 WO 2009028291A1
Authority
WO
WIPO (PCT)
Prior art keywords
light guide
liquid crystal
guide unit
crystal display
display device
Prior art date
Application number
PCT/JP2008/063682
Other languages
English (en)
French (fr)
Inventor
Tomoki Kubo
Takeshi Masuda
Original Assignee
Sharp Kabushiki Kaisha
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 Sharp Kabushiki Kaisha filed Critical Sharp Kabushiki Kaisha
Priority to CN2008800164678A priority Critical patent/CN101680635B/zh
Priority to US12/599,110 priority patent/US8174642B2/en
Publication of WO2009028291A1 publication Critical patent/WO2009028291A1/ja

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
    • G02B6/0035—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
    • G02B6/0035—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
    • G02B6/0048—Tapered light guide, e.g. wedge-shaped light guide with stepwise taper
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

　本発明の導光体ユニット（４０）は、導光体（２４）の第１端部（２４ｄ）には光源（２２）が併設されており、導光体（２４）の光源（２２）が併設された第１端部（２４ｄ）に対向する第２端部（２４ｅ）には、導光体（２４）内の光が反射可能な側面反射部材（２６ｂ）が設けられており、導光体（２４）の厚さ（Ｄ２・Ｄ４・Ｄ５）が、光源（２２）が併設された第１端部（２４ｄ）から導光体（２４）の中心方向にむけて連続的に増加するとともに、側面反射部材（２６ｂ）が設けられた第２端部（２４ｅ）から導光体（２４）の中心方向に向けても連続的に増加している。
PCT/JP2008/063682 2007-08-24 2008-07-30 導光体ユニット、照明装置、及び、液晶表示装置 WO2009028291A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008800164678A CN101680635B (zh) 2007-08-24 2008-07-30 导光体单元、照明装置和液晶显示装置
US12/599,110 US8174642B2 (en) 2007-08-24 2008-07-30 Light guide unit, illuminating device and liquid crystal display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007218887 2007-08-24
JP2007-218887 2007-08-24

Publications (1)

Publication Number Publication Date
WO2009028291A1 true WO2009028291A1 (ja) 2009-03-05

Family

ID=40387019

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063682 WO2009028291A1 (ja) 2007-08-24 2008-07-30 導光体ユニット、照明装置、及び、液晶表示装置

Country Status (3)

Country Link
US (1) US8174642B2 (ja)
CN (1) CN101680635B (ja)
WO (1) WO2009028291A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010110210A1 (ja) * 2009-03-25 2010-09-30 スタンレー電気株式会社 分離された混色部材及び有効部材を有する面光源装置
JP2011096662A (ja) * 2009-11-02 2011-05-12 Samsung Electronics Co Ltd Ｂｌｕ及びディスプレイ装置

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101680635B (zh) * 2007-08-24 2011-09-14 夏普株式会社 导光体单元、照明装置和液晶显示装置
CN103836438A (zh) * 2012-11-21 2014-06-04 深圳市海洋王照明工程有限公司 灯具
TWI485479B (zh) * 2013-03-15 2015-05-21 Au Optronics Corp 具拼接反射面之背光模組
CN104180241A (zh) 2013-05-22 2014-12-03 扬升照明股份有限公司 背光模块
CN105805648B (zh) * 2016-04-27 2018-04-20 纳晶科技股份有限公司 光源模组与侧入式显示装置
US10099606B2 (en) * 2016-06-02 2018-10-16 Ford Global Technologies, Llc Dome light assemblies and units that produce natural and courtesy light patterns
CN107817628B (zh) * 2016-09-12 2021-07-27 株式会社日本显示器 照明装置及显示装置

Citations (5)

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JP2001281456A (ja) * 2000-03-30 2001-10-10 Enplas Corp 導光板、面光源装置及び表示装置
JP2003215349A (ja) * 2002-01-23 2003-07-30 Fujitsu Display Technologies Corp 導光板並びにそれを備えた光源装置及び表示装置
JP2004038108A (ja) * 2002-07-08 2004-02-05 Nippon Leiz Co Ltd 導光板および平面照明装置
JP2006092768A (ja) * 2004-09-21 2006-04-06 Seiko Epson Corp 導光板、照明装置、電気光学装置および電子機器
JP2006278251A (ja) * 2005-03-30 2006-10-12 Nippon Leiz Co Ltd 導光板および平面照明装置

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JPH07333442A (ja) 1994-06-06 1995-12-22 Fujitsu Kasei Kk エッジ型バックライトユニット
US6712481B2 (en) * 1995-06-27 2004-03-30 Solid State Opto Limited Light emitting panel assemblies
JP3373427B2 (ja) * 1998-03-31 2003-02-04 日東樹脂工業株式会社 タンデム型面光源装置
KR100450542B1 (ko) * 1998-10-29 2004-10-01 가부시키가이샤 히타치세이사쿠쇼 조명 장치 및 이를 이용한 액정 표시 장치
JP4609962B2 (ja) * 2000-02-02 2011-01-12 日東電工株式会社 光学フィルム
US6904225B2 (en) * 2001-05-22 2005-06-07 Nichia Corporation Optical waveguide plate of surface light emitting apparatus
GB0313044D0 (en) * 2003-06-06 2003-07-09 Cambridge Flat Projection Flat panel scanning illuminator
JP2005276453A (ja) * 2004-03-23 2005-10-06 Yowa:Kk 面光源用導光板
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JP2007123086A (ja) 2005-10-28 2007-05-17 Hitachi Chem Co Ltd 面光源装置
TW200830000A (en) * 2007-01-15 2008-07-16 Dynascan Technology Corp LED backlight module
CN101680635B (zh) * 2007-08-24 2011-09-14 夏普株式会社 导光体单元、照明装置和液晶显示装置
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001281456A (ja) * 2000-03-30 2001-10-10 Enplas Corp 導光板、面光源装置及び表示装置
JP2003215349A (ja) * 2002-01-23 2003-07-30 Fujitsu Display Technologies Corp 導光板並びにそれを備えた光源装置及び表示装置
JP2004038108A (ja) * 2002-07-08 2004-02-05 Nippon Leiz Co Ltd 導光板および平面照明装置
JP2006092768A (ja) * 2004-09-21 2006-04-06 Seiko Epson Corp 導光板、照明装置、電気光学装置および電子機器
JP2006278251A (ja) * 2005-03-30 2006-10-12 Nippon Leiz Co Ltd 導光板および平面照明装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010110210A1 (ja) * 2009-03-25 2010-09-30 スタンレー電気株式会社 分離された混色部材及び有効部材を有する面光源装置
CN102365489A (zh) * 2009-03-25 2012-02-29 斯坦雷电气株式会社 具有分离的混色部件和有效部件的面光源装置
JP2011096662A (ja) * 2009-11-02 2011-05-12 Samsung Electronics Co Ltd Ｂｌｕ及びディスプレイ装置

Also Published As

Publication number Publication date
CN101680635B (zh) 2011-09-14
US20100238375A1 (en) 2010-09-23
CN101680635A (zh) 2010-03-24
US8174642B2 (en) 2012-05-08

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