JP5823734B2 - 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

Info

Publication number
JP5823734B2
JP5823734B2 JP2011116528A JP2011116528A JP5823734B2 JP 5823734 B2 JP5823734 B2 JP 5823734B2 JP 2011116528 A JP2011116528 A JP 2011116528A JP 2011116528 A JP2011116528 A JP 2011116528A JP 5823734 B2 JP5823734 B2 JP 5823734B2
Authority
JP
Japan
Prior art keywords
heat radiating
disposed
bottom cover
radiating member
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
JP2011116528A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011249330A (ja
JP2011249330A5 (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 JP2011249330A publication Critical patent/JP2011249330A/ja
Publication of JP2011249330A5 publication Critical patent/JP2011249330A5/ja
Application granted granted Critical
Publication of JP5823734B2 publication Critical patent/JP5823734B2/ja
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)
JP2011116528A 2010-05-25 2011-05-25 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 JP5823734B2 (ja)

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 (3)

Publication Number Publication Date
JP2011249330A JP2011249330A (ja) 2011-12-08
JP2011249330A5 JP2011249330A5 (enExample) 2014-07-10
JP5823734B2 true JP5823734B2 (ja) 2015-11-25

Family

ID=44343952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011116528A Expired - Fee Related JP5823734B2 (ja) 2010-05-25 2011-05-25 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 (3) US8550665B2 (enExample)
EP (1) EP2390712B1 (enExample)
JP (1) JP5823734B2 (enExample)
KR (1) KR101054767B1 (enExample)
CN (1) CN102297362B (enExample)

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
CN104471305B (zh) * 2012-07-30 2017-02-08 夏普株式会社 照明装置、显示装置以及电视接收装置
US9022636B2 (en) * 2012-08-02 2015-05-05 Shenzhen China Star Optoelectronics Technology Co., Ltd. Side-edge backlight module
US20150226913A1 (en) * 2012-08-03 2015-08-13 Sharp Kabushiki Kaisha Lighting device, display device and television device
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4543813B2 (ja) * 2004-08-04 2010-09-15 ソニー株式会社 バックライト装置及びこのバックライト装置を備えた液晶表示装置
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
KR100879868B1 (ko) * 2007-09-13 2009-01-22 삼성모바일디스플레이주식회사 액정표시장치
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

Also Published As

Publication number Publication date
US8757844B2 (en) 2014-06-24
US8550665B2 (en) 2013-10-08
US20140003088A1 (en) 2014-01-02
US20140003089A1 (en) 2014-01-02
JP2011249330A (ja) 2011-12-08
EP2390712A1 (en) 2011-11-30
CN102297362A (zh) 2011-12-28
CN102297362B (zh) 2014-02-26
EP2390712B1 (en) 2016-02-17
US20110292682A1 (en) 2011-12-01
US8668364B2 (en) 2014-03-11
KR101054767B1 (ko) 2011-08-05

Similar Documents

Publication Publication Date Title
JP5823734B2 (ja) バックライトユニット及びこれを備える表示装置
JP5784981B2 (ja) バックライトユニット及び表示装置
JP5815996B2 (ja) バックライトユニット及びこれを備える表示装置
CN103728770B (zh) 表面发光装置
CN106680926B (zh) 照明装置
JP5317365B2 (ja) バックライトユニット
CN102313200B (zh) 背光单元和显示装置
JP6215867B2 (ja) 面状照明装置
US9274269B2 (en) Backlight unit and display device
JP2008003313A (ja) 照明装置
KR101055133B1 (ko) 백라이트 유닛 및 표시 장치
WO2016047275A1 (ja) 表示装置およびテレビジョン受像機
JP2012216434A (ja) 照明装置および電子機器

Legal Events

Date Code Title Description
RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20130725

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140513

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20140513

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20141224

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150113

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150319

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150602

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150813

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150929

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20151008

R150 Certificate of patent or registration of utility model

Ref document number: 5823734

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees