SG11201405656YA - Backlight unit and liquid crystal display - Google Patents

Backlight unit and liquid crystal display

Info

Publication number
SG11201405656YA
SG11201405656YA SG11201405656YA SG11201405656YA SG11201405656YA SG 11201405656Y A SG11201405656Y A SG 11201405656YA SG 11201405656Y A SG11201405656Y A SG 11201405656YA SG 11201405656Y A SG11201405656Y A SG 11201405656YA SG 11201405656Y A SG11201405656Y A SG 11201405656YA
Authority
SG
Singapore
Prior art keywords
liquid crystal
crystal display
backlight unit
backlight
unit
Prior art date
Application number
SG11201405656YA
Inventor
Inui Yoji
Takaoka Akiyoshi
Hatsuda Kenichi
Adachi Takahiro
Yuasa Minoru
Yoshida Hideo
Original Assignee
Sharp Kk
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 Kk filed Critical Sharp Kk
Publication of SG11201405656YA publication Critical patent/SG11201405656YA/en

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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • 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
    • 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
    • G02B6/0066—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
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
SG11201405656YA 2012-04-26 2013-04-19 Backlight unit and liquid crystal display SG11201405656YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012101533 2012-04-26
PCT/JP2013/002663 WO2013161241A1 (en) 2012-04-26 2013-04-19 Backlight unit and liquid crystal display apparatus

Publications (1)

Publication Number Publication Date
SG11201405656YA true SG11201405656YA (en) 2014-11-27

Family

ID=49482587

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201405656YA SG11201405656YA (en) 2012-04-26 2013-04-19 Backlight unit and liquid crystal display

Country Status (7)

Country Link
US (1) US20150029443A1 (en)
EP (1) EP2843295A4 (en)
JP (1) JP5878976B2 (en)
KR (1) KR20140135758A (en)
CN (1) CN104169636B (en)
SG (1) SG11201405656YA (en)
WO (1) WO2013161241A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5610465B2 (en) 2010-02-18 2014-10-22 株式会社ジャパンディスプレイ Liquid crystal display
KR102132928B1 (en) * 2013-07-02 2020-07-10 엘지이노텍 주식회사 Lighting device and flat panel display having the lighting device
US10018868B2 (en) 2014-12-26 2018-07-10 Sharp Kabushiki Kaisha Optical and positioning structures, illumination device, and display device having the same
KR102131663B1 (en) * 2015-06-26 2020-07-08 삼성전자주식회사 Display appartus
JP6441487B2 (en) * 2015-08-31 2018-12-19 堺ディスプレイプロダクト株式会社 Display device
JP2017188304A (en) * 2016-04-05 2017-10-12 株式会社ジャパンディスプレイ Backlight device and display device including the same
CN106292034B (en) * 2016-09-20 2019-09-27 青岛海信电器股份有限公司 A kind of liquid crystal display device
CN107620880B (en) * 2017-10-31 2020-10-16 武汉天马微电子有限公司 Backlight module and display device
KR20190079750A (en) * 2017-12-27 2019-07-08 삼성디스플레이 주식회사 Display apparatus
WO2021039008A1 (en) * 2019-08-23 2021-03-04 ミネベアミツミ株式会社 Planar illumination device

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001133782A (en) 1999-11-09 2001-05-18 Hitachi Ltd Liquid crystal display device
JP4548364B2 (en) * 2006-03-02 2010-09-22 三菱電機株式会社 Display device
KR20080035043A (en) * 2006-10-18 2008-04-23 삼성전자주식회사 Back-light assembly and display apparatus having the same
JP2008170739A (en) * 2007-01-12 2008-07-24 Hitachi Displays Ltd Liquid crystal display device
JP2009122167A (en) 2007-11-12 2009-06-04 Sharp Corp Liquid crystal display device
JP2009163964A (en) * 2007-12-29 2009-07-23 Citizen Finetech Miyota Co Ltd Lighting device
JP2010073389A (en) * 2008-09-17 2010-04-02 Toshiba Mobile Display Co Ltd Plane light source device and liquid crystal display
JP2010140831A (en) * 2008-12-15 2010-06-24 Sharp Corp Planar illumination device and display device
JP2010197556A (en) * 2009-02-24 2010-09-09 Casio Computer Co Ltd Optical sheet laminated body, back light device, and method for manufacturing them
JP5402428B2 (en) * 2009-09-09 2014-01-29 オムロン株式会社 Surface light source device and liquid crystal display device
JP2011103221A (en) * 2009-11-11 2011-05-26 Sony Corp Lighting system, electro-optical device, and method of manufacturing the lighting system
JP5610465B2 (en) * 2010-02-18 2014-10-22 株式会社ジャパンディスプレイ Liquid crystal display
KR101688042B1 (en) * 2010-05-28 2016-12-20 엘지이노텍 주식회사 A back light Unit and display device
KR101698512B1 (en) * 2010-09-17 2017-01-23 삼성디스플레이 주식회사 Display divce

Also Published As

Publication number Publication date
EP2843295A1 (en) 2015-03-04
JP5878976B2 (en) 2016-03-08
WO2013161241A1 (en) 2013-10-31
KR20140135758A (en) 2014-11-26
CN104169636B (en) 2016-04-06
JPWO2013161241A1 (en) 2015-12-21
EP2843295A4 (en) 2015-06-03
CN104169636A (en) 2014-11-26
US20150029443A1 (en) 2015-01-29

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