CN102297362B - 背光单元和包括该背光单元的显示装置 - Google Patents

背光单元和包括该背光单元的显示装置 Download PDF

Info

Publication number
CN102297362B
CN102297362B CN201110146787.9A CN201110146787A CN102297362B CN 102297362 B CN102297362 B CN 102297362B CN 201110146787 A CN201110146787 A CN 201110146787A CN 102297362 B CN102297362 B CN 102297362B
Authority
CN
China
Prior art keywords
heat radiation
bottom cover
reflective sheet
backlight unit
heat
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
CN201110146787.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN102297362A (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
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 CN102297362A publication Critical patent/CN102297362A/zh
Application granted granted Critical
Publication of CN102297362B publication Critical patent/CN102297362B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G02B6/0085—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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • 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
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • 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
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
    • 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

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)
  • Liquid Crystal (AREA)
CN201110146787.9A 2010-05-25 2011-05-25 背光单元和包括该背光单元的显示装置 Expired - Fee Related CN102297362B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0048497 2010-05-25
KR1020100048497A KR101054767B1 (ko) 2010-05-25 2010-05-25 백라이트 유닛 및 표시장치

Publications (2)

Publication Number Publication Date
CN102297362A CN102297362A (zh) 2011-12-28
CN102297362B true CN102297362B (zh) 2014-02-26

Family

ID=44343952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110146787.9A Expired - Fee Related CN102297362B (zh) 2010-05-25 2011-05-25 背光单元和包括该背光单元的显示装置

Country Status (5)

Country Link
US (3) US8550665B2 (https=)
EP (1) EP2390712B1 (https=)
JP (1) JP5823734B2 (https=)
KR (1) KR101054767B1 (https=)
CN (1) CN102297362B (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5845795B2 (ja) 2011-10-12 2016-01-20 船井電機株式会社 表示装置
KR20130040661A (ko) * 2011-10-14 2013-04-24 삼성전자주식회사 백라이트 유닛과 이를 포함한 디스플레이 장치
TWI452394B (zh) * 2011-12-02 2014-09-11 Young Lighting Technology Corp 背光模組
US9128231B2 (en) 2012-03-02 2015-09-08 Sharp Kabushiki Kaisha Display device, and television receiver
KR101354884B1 (ko) * 2012-04-13 2014-01-27 티티엠주식회사 백라이트 유닛
CN102679275B (zh) * 2012-05-16 2014-03-26 深圳市华星光电技术有限公司 散热铝挤结构及相应的背光模块
TWM437472U (en) * 2012-05-29 2012-09-11 Young Lighting Technology Inc Backlight module
US9581757B2 (en) 2012-07-30 2017-02-28 Sharp Kabushiki Kaisha Lighting device, display device and television device
US9022636B2 (en) * 2012-08-02 2015-05-05 Shenzhen China Star Optoelectronics Technology Co., Ltd. Side-edge backlight module
CN104508355B (zh) * 2012-08-03 2017-05-03 夏普株式会社 照明装置、显示装置以及电视接收装置
US8985833B2 (en) * 2012-10-18 2015-03-24 Shenzhen China Star Optoelectronics Technology Co., Ltd Backlight module and a liquid crystal display using the same
JP2015092235A (ja) * 2013-10-04 2015-05-14 シャープ株式会社 液晶表示装置
CN103672816A (zh) * 2013-12-20 2014-03-26 深圳市华星光电技术有限公司 一种背光模组及其散热装置
KR102173659B1 (ko) * 2014-03-10 2020-11-04 삼성디스플레이 주식회사 표시 장치
CN103982821B (zh) * 2014-05-19 2017-02-15 京东方科技集团股份有限公司 背光源及显示装置
US9939672B2 (en) 2014-06-13 2018-04-10 Apple Inc. Electronic device with heat spreading film
CN204176478U (zh) * 2014-11-26 2015-02-25 京东方科技集团股份有限公司 一种导光板定位柱、背光模组和显示装置
KR102435399B1 (ko) * 2015-12-24 2022-08-25 삼성디스플레이 주식회사 유기발광 표시장치
KR102583712B1 (ko) * 2016-12-22 2023-09-27 엘지디스플레이 주식회사 디스플레이 장치
JP7083255B2 (ja) * 2018-02-07 2022-06-10 シャープ株式会社 発光装置、表示装置及び基板
KR20200042035A (ko) 2018-10-12 2020-04-23 삼성디스플레이 주식회사 표시장치
CN116129741B (zh) * 2022-11-29 2024-09-03 厦门天马显示科技有限公司 显示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1842737A (zh) * 2004-08-04 2006-10-04 索尼株式会社 背光装置及液晶显示装置
CN101387791A (zh) * 2007-09-13 2009-03-18 三星Sdi株式会社 液晶显示装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101096759B1 (ko) * 2005-06-16 2011-12-26 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
KR101214945B1 (ko) * 2005-08-17 2012-12-24 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 이용한 표시장치
KR100649106B1 (ko) 2005-08-22 2006-11-24 알티전자 주식회사 백 라이트 유닛 및 이를 이용한 액정표시장치
KR20080034717A (ko) * 2006-10-17 2008-04-22 주식회사 우영 에지형 ｌｅｄ 백라이트 유니트
JP2008305635A (ja) 2007-06-06 2008-12-18 Sharp Corp バックライトユニット及び液晶表示装置
JP2009098310A (ja) 2007-10-15 2009-05-07 Hitachi Displays Ltd 液晶表示装置
JP5104426B2 (ja) * 2008-03-13 2012-12-19 パナソニック株式会社 画像表示装置
US7978286B2 (en) 2008-06-24 2011-07-12 Toshiba Mobile Display Co., Ltd. Illumination unit and liquid crystal display device
KR20100001881A (ko) * 2008-06-27 2010-01-06 경북대학교 산학협력단 열방출이 용이한 백라이트 및 백라이트의 기판
KR20100048497A (ko) 2008-10-31 2010-05-11 삼성전자주식회사 이동 무선통신 시스템의 핸드오버 방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1842737A (zh) * 2004-08-04 2006-10-04 索尼株式会社 背光装置及液晶显示装置
CN101387791A (zh) * 2007-09-13 2009-03-18 三星Sdi株式会社 液晶显示装置

Also Published As

Publication number Publication date
US20140003089A1 (en) 2014-01-02
JP5823734B2 (ja) 2015-11-25
EP2390712B1 (en) 2016-02-17
US20110292682A1 (en) 2011-12-01
US8757844B2 (en) 2014-06-24
CN102297362A (zh) 2011-12-28
EP2390712A1 (en) 2011-11-30
KR101054767B1 (ko) 2011-08-05
US8550665B2 (en) 2013-10-08
US20140003088A1 (en) 2014-01-02
JP2011249330A (ja) 2011-12-08
US8668364B2 (en) 2014-03-11

Similar Documents

Publication Publication Date Title
CN102297362B (zh) 背光单元和包括该背光单元的显示装置
US8553170B2 (en) Liquid crystal display with light emitting diode backlight assembly and liquid crystal display thereof
CN102147079B (zh) 具有多个导光板的背光组件
KR101698816B1 (ko) 백라이트 어셈블리
KR101385205B1 (ko) 백라이트 어셈블리의 구조를 개선한 액정표시장치
CN100578315C (zh) 背光组件以及采用该组件的液晶显示器件
CN102278668B (zh) 背光单元和包括背光单元的显示装置
TW201033694A (en) Backlight unit and liquid crystal display having the same
CN102287681A (zh) 背光单元和显示装置
JP2006310221A (ja) エッジ入力型バックライト及び液晶表示装置
CN102121637B (zh) 背光单元和显示装置
CN102313200B (zh) 背光单元和显示装置
US9274269B2 (en) Backlight unit and display device
WO2016047275A1 (ja) 表示装置およびテレビジョン受像機

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210820

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: 20140226

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