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WO2009017066A1 - 照明装置、表示装置、並びに導光板 - Google Patents

照明装置、表示装置、並びに導光板 Download PDF

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Publication number
WO2009017066A1
WO2009017066A1 PCT/JP2008/063434 JP2008063434W WO2009017066A1 WO 2009017066 A1 WO2009017066 A1 WO 2009017066A1 JP 2008063434 W JP2008063434 W JP 2008063434W WO 2009017066 A1 WO2009017066 A1 WO 2009017066A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light guide
region
guide plate
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.)
Ceased
Application number
PCT/JP2008/063434
Other languages
English (en)
French (fr)
Inventor
Tetsuya Ueno
Takeshi Masuda
Yuhsaku Ajichi
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to EP08791678.9A priority Critical patent/EP2151623B1/en
Priority to JP2009525375A priority patent/JP4987981B2/ja
Priority to CN2008800155700A priority patent/CN101680632B/zh
Priority to US12/599,566 priority patent/US8520164B2/en
Publication of WO2009017066A1 publication Critical patent/WO2009017066A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • G02B6/005—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
    • 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
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • G02B6/008—Side-by-side arrangements, e.g. for large area displays of the partially overlapping type
    • 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
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

　照明装置（３０）は、導光板（１）と複数の光源（２１）とを有する光源ユニット（ＢＬＵ）を複数備えている。導光板（１）には、光源（２１）から入射した光を外部に出射させる照明領域（４）と、光源（２１）から入射した光を照明領域（４）に導く導光領域（３）とが並んで設けられている。照明領域（４）は、光源（２１）の光軸方向に沿って光の透過を制限する仕切りとしてスリット部（８）を備えることで複数の発光部に区分されている。各光源（２１）は、各発光部に対し少なくとも１つが導光領域（３）に並んで設けられている。光源（２１）の光軸方向に隣り合う光源ユニット（２０）は、一方の光源ユニット（ＢＬＵ）の照明領域（４）が他方の光源ユニット（ＢＬＵ）の導光領域（３）の少なくとも一部に重なるように配置されている。これにより、隣接エリアへの光漏れを低減しながら導光ブロックの結合体としての強度を保つことができる。
PCT/JP2008/063434 2007-07-27 2008-07-25 照明装置、表示装置、並びに導光板 Ceased WO2009017066A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08791678.9A EP2151623B1 (en) 2007-07-27 2008-07-25 Lighting device, display device, and light guide plate
JP2009525375A JP4987981B2 (ja) 2007-07-27 2008-07-25 照明装置、表示装置、並びに導光板
CN2008800155700A CN101680632B (zh) 2007-07-27 2008-07-25 照明装置、显示装置和导光板
US12/599,566 US8520164B2 (en) 2007-07-27 2008-07-25 Illumination device, display device, and light guide plate

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-196662 2007-07-27
JP2007196662 2007-07-27
JP2008143751 2008-05-30
JP2008-143751 2008-05-30

Publications (1)

Publication Number Publication Date
WO2009017066A1 true WO2009017066A1 (ja) 2009-02-05

Family

ID=40304297

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063434 Ceased WO2009017066A1 (ja) 2007-07-27 2008-07-25 照明装置、表示装置、並びに導光板

Country Status (5)

Country Link
US (1) US8520164B2 (ja)
EP (1) EP2151623B1 (ja)
JP (1) JP4987981B2 (ja)
CN (1) CN101680632B (ja)
WO (1) WO2009017066A1 (ja)

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JP2010177086A (ja) * 2009-01-30 2010-08-12 Hitachi Ltd バックライトユニットおよびそれを用いた映像表示装置
JP2010192395A (ja) * 2009-02-20 2010-09-02 Hitachi Ltd バックライトユニット、および、それを用いた液晶表示装置
CN101832491A (zh) * 2009-03-10 2010-09-15 Lg伊诺特有限公司 光源和具有该光源的显示设备
KR20110012650A (ko) * 2009-07-31 2011-02-09 엘지전자 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
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JP5337882B2 (ja) * 2009-11-10 2013-11-06 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
EP2325883A3 (en) * 2009-11-20 2014-01-01 Koito Manufacturing Co., Ltd. Light emitting module and vehicle lamp
JP2014504787A (ja) * 2011-01-25 2014-02-24 コーニンクレッカ フィリップス エヌ ヴェ 照明装置
JP2023121334A (ja) * 2022-02-21 2023-08-31 株式会社ユニバーサルエンターテインメント 遊技機

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US8414173B2 (en) * 2007-07-27 2013-04-09 Sharp Kabushiki Kaisha Illumination device and display device
US20100225572A1 (en) * 2007-08-07 2010-09-09 Shinji Suminoe Illumination device and liquid crystal display device
JP5281082B2 (ja) * 2008-05-30 2013-09-04 シャープ株式会社 照明装置、表示装置、並びに導光板
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CN106322231B (zh) * 2016-08-19 2020-10-02 西藏贝珠亚电子科技有限公司 一种动感画的光纤背光照明方法
CN106322232B (zh) * 2016-08-19 2020-10-02 西藏贝珠亚电子科技有限公司 一种动感画的背光照明方法
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CN109716221A (zh) * 2016-09-20 2019-05-03 夏普株式会社 面光源装置及液晶显示装置
CN106526972A (zh) * 2016-12-30 2017-03-22 深圳市华星光电技术有限公司 背光模组及显示装置
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Cited By (17)

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JP2010177086A (ja) * 2009-01-30 2010-08-12 Hitachi Ltd バックライトユニットおよびそれを用いた映像表示装置
JP2010192395A (ja) * 2009-02-20 2010-09-02 Hitachi Ltd バックライトユニット、および、それを用いた液晶表示装置
US8469576B2 (en) * 2009-03-10 2013-06-25 Lg Innotek Co., Ltd. Light source and display device having the same
US20100232141A1 (en) * 2009-03-10 2010-09-16 Moon Jeong Kim Light source and display device having the same
CN101832491A (zh) * 2009-03-10 2010-09-15 Lg伊诺特有限公司 光源和具有该光源的显示设备
KR20110012650A (ko) * 2009-07-31 2011-02-09 엘지전자 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
KR101676870B1 (ko) * 2009-07-31 2016-11-16 엘지전자 주식회사 백라이트 유닛 및 그를 이용한 디스플레이 장치
WO2011025106A1 (en) 2009-08-27 2011-03-03 Lg Electronics Inc. Backlight unit and display apparatus including the same
EP2470946A4 (en) * 2009-08-27 2017-10-25 LG Electronics Inc. Backlight unit and display apparatus including the same
JP5337882B2 (ja) * 2009-11-10 2013-11-06 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
EP2325883A3 (en) * 2009-11-20 2014-01-01 Koito Manufacturing Co., Ltd. Light emitting module and vehicle lamp
CN102095129A (zh) * 2009-12-11 2011-06-15 乐金显示有限公司 背光单元及具有该背光单元的液晶显示器
JP2011146207A (ja) * 2010-01-13 2011-07-28 Dainippon Printing Co Ltd 導光板、面光源及び液晶表示装置
WO2012014591A1 (ja) * 2010-07-26 2012-02-02 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
JP2014504787A (ja) * 2011-01-25 2014-02-24 コーニンクレッカ フィリップス エヌ ヴェ 照明装置
JP2023121334A (ja) * 2022-02-21 2023-08-31 株式会社ユニバーサルエンターテインメント 遊技機
JP7374520B2 (ja) 2022-02-21 2023-11-07 株式会社ユニバーサルエンターテインメント 遊技機

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JPWO2009017066A1 (ja) 2010-10-21
EP2151623A1 (en) 2010-02-10
CN101680632B (zh) 2012-01-18
EP2151623B1 (en) 2013-09-11
JP4987981B2 (ja) 2012-08-01
EP2151623A4 (en) 2010-06-16
US20100214281A1 (en) 2010-08-26
US8520164B2 (en) 2013-08-27
CN101680632A (zh) 2010-03-24

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