WO2008136147A1 - バックライトユニットおよび液晶表示装置 - Google Patents

バックライトユニットおよび液晶表示装置 Download PDF

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Publication number
WO2008136147A1
WO2008136147A1 PCT/JP2007/072521 JP2007072521W WO2008136147A1 WO 2008136147 A1 WO2008136147 A1 WO 2008136147A1 JP 2007072521 W JP2007072521 W JP 2007072521W WO 2008136147 A1 WO2008136147 A1 WO 2008136147A1
Authority
WO
WIPO (PCT)
Prior art keywords
backlight unit
liquid crystal
crystal display
diffusion plate
side holders
Prior art date
Application number
PCT/JP2007/072521
Other languages
English (en)
French (fr)
Inventor
Kentaro Kamada
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 US12/525,455 priority Critical patent/US20100073592A1/en
Publication of WO2008136147A1 publication Critical patent/WO2008136147A1/ja

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133604Direct backlight with lamps
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133628Illuminating devices with cooling means

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)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

 蛍光管(71)からの光を透過させる拡散板(DL)をサイドホルダ(SF)にて支えることで保持しているバックライトユニット(82)にあって、サイドホルダ(SF)が金属製である。
PCT/JP2007/072521 2007-04-19 2007-11-21 バックライトユニットおよび液晶表示装置 WO2008136147A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/525,455 US20100073592A1 (en) 2007-04-19 2007-11-21 Backlight unit and liquid crystal display apparatus

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-109998 2007-04-19
JP2007109998 2007-04-19
JP2007-147594 2007-06-04
JP2007147594 2007-06-04

Publications (1)

Publication Number Publication Date
WO2008136147A1 true WO2008136147A1 (ja) 2008-11-13

Family

ID=39943268

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/072521 WO2008136147A1 (ja) 2007-04-19 2007-11-21 バックライトユニットおよび液晶表示装置

Country Status (2)

Country Link
US (1) US20100073592A1 (ja)
WO (1) WO2008136147A1 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0794144A (ja) * 1993-09-22 1995-04-07 Matsushita Electron Corp 平面型光色可変光源
JP2005317411A (ja) * 2004-04-30 2005-11-10 Sharp Corp バックライト装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3803554B2 (ja) * 2001-02-16 2006-08-02 株式会社日立製作所 液晶表示装置
TW200426412A (en) * 2003-05-29 2004-12-01 Au Optronics Corp Vertical type backlight unit
JP4081448B2 (ja) * 2004-01-14 2008-04-23 シャープ株式会社 液晶表示装置
TWI265351B (en) * 2004-12-06 2006-11-01 Chi Mei Optoelectronics Corp Backlight module
TWI345099B (en) * 2006-08-31 2011-07-11 Chimei Innolux Corp Lamp fixing structure, backlight module and liquid crystal display apparatus
TWI314626B (en) * 2006-09-25 2009-09-11 Gio Optoelectronics Corp Light emitting unit and back plate thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0794144A (ja) * 1993-09-22 1995-04-07 Matsushita Electron Corp 平面型光色可変光源
JP2005317411A (ja) * 2004-04-30 2005-11-10 Sharp Corp バックライト装置

Also Published As

Publication number Publication date
US20100073592A1 (en) 2010-03-25

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