CN102278668B - 背光单元和包括背光单元的显示装置 - Google Patents

背光单元和包括背光单元的显示装置 Download PDF

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Publication number
CN102278668B
CN102278668B CN201110164634.7A CN201110164634A CN102278668B CN 102278668 B CN102278668 B CN 102278668B CN 201110164634 A CN201110164634 A CN 201110164634A CN 102278668 B CN102278668 B CN 102278668B
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CN
China
Prior art keywords
bottom cover
heat radiation
heat sink
heat
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
CN201110164634.7A
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English (en)
Chinese (zh)
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CN102278668A (zh
Inventor
俞东局
朴成用
张荣倍
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.)
Suzhou Liyu Semiconductor Co ltd
Original Assignee
LG Innotek Co Ltd
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Publication date
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Publication of CN102278668A publication Critical patent/CN102278668A/zh
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Expired - Fee Related legal-status Critical Current
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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

Landscapes

  • 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)
CN201110164634.7A 2010-06-11 2011-06-13 背光单元和包括背光单元的显示装置 Expired - Fee Related CN102278668B (zh)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
CN102278668A CN102278668A (zh) 2011-12-14
CN102278668B true CN102278668B (zh) 2014-04-16

Family

ID=44310274

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CN201110164634.7A Expired - Fee Related CN102278668B (zh) 2010-06-11 2011-06-13 背光单元和包括背光单元的显示装置

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
US9303856B2 (en) * 2012-02-03 2016-04-05 Sharp Kabushiki Kaisha Lighting device, display device, and television device
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200600927A (en) * 2004-05-21 2006-01-01 Sharp Kk Backlight unit and liquid crystal display using the same
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
CN100541272C (zh) * 2006-06-02 2009-09-16 索尼株式会社 面光源装置和液晶显示组合件

Family Cites Families (12)

* 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
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200600927A (en) * 2004-05-21 2006-01-01 Sharp Kk Backlight unit and liquid crystal display using the same
CN100541272C (zh) * 2006-06-02 2009-09-16 索尼株式会社 面光源装置和液晶显示组合件
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

Also Published As

Publication number Publication date
EP2395389B1 (en) 2018-08-01
JP5815996B2 (ja) 2015-11-17
EP2395389A1 (en) 2011-12-14
US20110305039A1 (en) 2011-12-15
US8636374B2 (en) 2014-01-28
JP2012004113A (ja) 2012-01-05
CN102278668A (zh) 2011-12-14
KR101054768B1 (ko) 2011-08-05

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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210816

Address after: 168 Changsheng North Road, Taicang City, Suzhou City, Jiangsu Province

Patentee after: Suzhou Leyu Semiconductor Co.,Ltd.

Address before: Seoul, South Kerean

Patentee before: LG INNOTEK Co.,Ltd.

TR01 Transfer of patent right
CP03 Change of name, title or address

Address after: 215499 No. 168, Changsheng North Road, Taicang City, Suzhou City, Jiangsu Province

Patentee after: Suzhou Liyu Semiconductor Co.,Ltd.

Country or region after: China

Address before: 168 Changsheng North Road, Taicang City, Suzhou City, Jiangsu Province

Patentee before: Suzhou Leyu Semiconductor Co.,Ltd.

Country or region before: China

CP03 Change of name, title or address
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140416

CF01 Termination of patent right due to non-payment of annual fee