WO2008139662A1 - 表示装置用照明装置、表示装置 - Google Patents

表示装置用照明装置、表示装置 Download PDF

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Publication number
WO2008139662A1
WO2008139662A1 PCT/JP2007/074793 JP2007074793W WO2008139662A1 WO 2008139662 A1 WO2008139662 A1 WO 2008139662A1 JP 2007074793 W JP2007074793 W JP 2007074793W WO 2008139662 A1 WO2008139662 A1 WO 2008139662A1
Authority
WO
WIPO (PCT)
Prior art keywords
display device
light source
chassis
voltage becomes
whose voltage
Prior art date
Application number
PCT/JP2007/074793
Other languages
English (en)
French (fr)
Inventor
Masahiro Arai
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 US12/598,925 priority Critical patent/US20100128070A1/en
Priority to CN2007800529583A priority patent/CN101680608B/zh
Publication of WO2008139662A1 publication Critical patent/WO2008139662A1/ja

Links

Classifications

    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Details Of Measuring Devices (AREA)

Abstract

本発明の表示装置用照明装置１２は、光源１７と、前記光源１７を覆うシャーシ１４と、を備え、前記光源１７は、相対的に高電圧となる部分８０と低電圧となる部分８１とを有し、前記シャーシ１４は、当該シャーシ１４と前記光源の高電圧となる部分８０との鉛直距離が、当該シャーシ１４と前記光源の低電圧となる部分８１との鉛直距離に比して相対的に大きくなるように規定する距離規定手段５１を備えていることを特徴とする。
PCT/JP2007/074793 2007-05-14 2007-12-25 表示装置用照明装置、表示装置 WO2008139662A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/598,925 US20100128070A1 (en) 2007-05-14 2007-12-25 Lighting device for display device and display device
CN2007800529583A CN101680608B (zh) 2007-05-14 2007-12-25 显示装置用照明装置、显示装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007128424 2007-05-14
JP2007-128424 2007-05-14

Publications (1)

Publication Number Publication Date
WO2008139662A1 true WO2008139662A1 (ja) 2008-11-20

Family

ID=40001888

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074793 WO2008139662A1 (ja) 2007-05-14 2007-12-25 表示装置用照明装置、表示装置

Country Status (3)

Country Link
US (1) US20100128070A1 (ja)
CN (1) CN101680608B (ja)
WO (1) WO2008139662A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120242909A1 (en) * 2009-12-11 2012-09-27 Sharp Kabushiki Kaisha Illuminating device, display device, and television receiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006066360A (ja) * 2004-08-27 2006-03-09 Samsung Electronics Co Ltd バックライトアセンブリ及びこれを有する液晶表示装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100774579B1 (ko) * 2002-10-25 2007-11-09 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정표시장치
JP4361377B2 (ja) * 2004-01-06 2009-11-11 株式会社 日立ディスプレイズ 液晶表示装置
US7173812B2 (en) * 2004-10-11 2007-02-06 Chunghwa Picture Tubes, Ltd. Backlight module and feedback circuit structure thereof
JP4586050B2 (ja) * 2006-08-08 2010-11-24 シャープ株式会社 ランプ収納装置及びバックライト装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006066360A (ja) * 2004-08-27 2006-03-09 Samsung Electronics Co Ltd バックライトアセンブリ及びこれを有する液晶表示装置

Also Published As

Publication number Publication date
US20100128070A1 (en) 2010-05-27
CN101680608A (zh) 2010-03-24
CN101680608B (zh) 2011-06-15

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