JP5815996B2 - バックライトユニット及びこれを備える表示装置 - Google Patents

バックライトユニット及びこれを備える表示装置 Download PDF

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Publication number
JP5815996B2
JP5815996B2 JP2011130064A JP2011130064A JP5815996B2 JP 5815996 B2 JP5815996 B2 JP 5815996B2 JP 2011130064 A JP2011130064 A JP 2011130064A JP 2011130064 A JP2011130064 A JP 2011130064A JP 5815996 B2 JP5815996 B2 JP 5815996B2
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JP
Japan
Prior art keywords
heat radiating
bottom cover
heat
radiating member
light emitting
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.)
Expired - Fee Related
Application number
JP2011130064A
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English (en)
Japanese (ja)
Other versions
JP2012004113A (ja
JP2012004113A5 (enExample
Inventor
ユ，ドンク
パク，スンヨン
ジャン，ヨンベ
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.)
LG Innotek Co Ltd
Original Assignee
LG Innotek Co Ltd
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 LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of JP2012004113A publication Critical patent/JP2012004113A/ja
Publication of JP2012004113A5 publication Critical patent/JP2012004113A5/ja
Application granted granted Critical
Publication of JP5815996B2 publication Critical patent/JP5815996B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • G02B6/0085—Means for removing heat created by the light source from the package
    • 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
    • G02B6/0066—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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133628—Illuminating devices with cooling 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Liquid Crystal (AREA)
JP2011130064A 2010-06-11 2011-06-10 バックライトユニット及びこれを備える表示装置 Expired - Fee Related JP5815996B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0055302 2010-06-11
KR1020100055302A KR101054768B1 (ko) 2010-06-11 2010-06-11 백라이트 유닛 및 표시장치

Publications (3)

Publication Number Publication Date
JP2012004113A JP2012004113A (ja) 2012-01-05
JP2012004113A5 JP2012004113A5 (enExample) 2014-07-17
JP5815996B2 true JP5815996B2 (ja) 2015-11-17

Family

ID=44310274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011130064A Expired - Fee Related JP5815996B2 (ja) 2010-06-11 2011-06-10 バックライトユニット及びこれを備える表示装置

Country Status (5)

Country Link
US (1) US8636374B2 (enExample)
EP (1) EP2395389B1 (enExample)
JP (1) JP5815996B2 (enExample)
KR (1) KR101054768B1 (enExample)
CN (1) CN102278668B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9621838B2 (en) * 2011-10-25 2017-04-11 Funai Electric Co., Ltd. Display device and television apparatus
JP2013101203A (ja) * 2011-11-08 2013-05-23 Funai Electric Co Ltd 表示装置およびテレビジョン装置
CN104081122A (zh) * 2012-02-03 2014-10-01 夏普株式会社 照明装置、显示装置以及电视接收装置
CN106104369A (zh) * 2014-04-16 2016-11-09 堺显示器制品株式会社 显示装置
CN105259703B (zh) * 2015-11-09 2019-01-15 深圳市华星光电技术有限公司 一种背光模组及显示装置
KR101773440B1 (ko) * 2016-01-28 2017-09-01 희성전자 주식회사 박막형 디스플레이 장치
KR102600981B1 (ko) * 2016-04-29 2023-11-13 삼성전자주식회사 디스플레이 장치
KR20200042035A (ko) * 2018-10-12 2020-04-23 삼성디스플레이 주식회사 표시장치

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09147618A (ja) * 1995-11-20 1997-06-06 Sharp Corp 照明装置
JP4590283B2 (ja) * 2004-05-21 2010-12-01 シャープ株式会社 バックライトユニット及びそれを備えた液晶表示装置
KR20060084559A (ko) * 2005-01-20 2006-07-25 삼성전자주식회사 방열 부재를 개선한 백라이트 어셈블리 및 이를 구비한평판표시장치
WO2006080201A1 (ja) * 2005-01-27 2006-08-03 Minebea Co., Ltd. 液晶表示装置
KR100772374B1 (ko) * 2005-03-12 2007-11-01 삼성전자주식회사 방열 시스템을 가진 가장자리 발광형 백라이트 유닛
KR101096759B1 (ko) * 2005-06-16 2011-12-26 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
JP4640010B2 (ja) * 2005-07-19 2011-03-02 カシオ計算機株式会社 照明装置及び液晶表示モジュール
KR101214945B1 (ko) * 2005-08-17 2012-12-24 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 이용한 표시장치
KR101248899B1 (ko) * 2006-01-20 2013-04-01 엘지디스플레이 주식회사 액정표시장치모듈
JP4952070B2 (ja) * 2006-06-02 2012-06-13 ソニー株式会社 面状光源装置及び液晶表示装置組立体
CN201017144Y (zh) 2007-01-31 2008-02-06 丰艺电子股份有限公司 用于发光二极管背光模块的发光二极管光源装置
JP2008251245A (ja) 2007-03-29 2008-10-16 Sony Corp バックライト装置及び表示装置
JP4516582B2 (ja) * 2007-05-15 2010-08-04 株式会社日立製作所 液晶表示装置
JP2009098310A (ja) * 2007-10-15 2009-05-07 Hitachi Displays Ltd 液晶表示装置
JP5168626B2 (ja) * 2008-01-16 2013-03-21 日本精機株式会社 バックライト装置

Also Published As

Publication number Publication date
EP2395389B1 (en) 2018-08-01
US8636374B2 (en) 2014-01-28
CN102278668B (zh) 2014-04-16
JP2012004113A (ja) 2012-01-05
KR101054768B1 (ko) 2011-08-05
CN102278668A (zh) 2011-12-14
US20110305039A1 (en) 2011-12-15
EP2395389A1 (en) 2011-12-14

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