KR101054767B1 - 백라이트 유닛 및 표시장치 - Google Patents

백라이트 유닛 및 표시장치 Download PDF

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Publication number
KR101054767B1
KR101054767B1 KR1020100048497A KR20100048497A KR101054767B1 KR 101054767 B1 KR101054767 B1 KR 101054767B1 KR 1020100048497 A KR1020100048497 A KR 1020100048497A KR 20100048497 A KR20100048497 A KR 20100048497A KR 101054767 B1 KR101054767 B1 KR 101054767B1
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KR
South Korea
Prior art keywords
disposed
bottom cover
heat radiating
heat dissipation
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
KR1020100048497A
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English (en)
Korean (ko)
Inventor
유동국
박성용
장영배
Original Assignee
엘지이노텍 주식회사
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.)
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Application filed by 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020100048497A priority Critical patent/KR101054767B1/ko
Priority to US13/114,776 priority patent/US8550665B2/en
Priority to EP11167215.0A priority patent/EP2390712B1/en
Priority to CN201110146787.9A priority patent/CN102297362B/zh
Priority to JP2011116528A priority patent/JP5823734B2/ja
Application granted granted Critical
Publication of KR101054767B1 publication Critical patent/KR101054767B1/ko
Priority to US14/020,314 priority patent/US8668364B2/en
Priority to US14/020,206 priority patent/US8757844B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
KR1020100048497A 2010-05-25 2010-05-25 백라이트 유닛 및 표시장치 Expired - Fee Related KR101054767B1 (ko)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1020100048497A KR101054767B1 (ko) 2010-05-25 2010-05-25 백라이트 유닛 및 표시장치
US13/114,776 US8550665B2 (en) 2010-05-25 2011-05-24 Backlight unit and display device including the same
EP11167215.0A EP2390712B1 (en) 2010-05-25 2011-05-24 Backlight unit and display device including the same
CN201110146787.9A 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
JP2011116528A 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
US14/020,314 US8668364B2 (en) 2010-05-25 2013-09-06 Backlight unit and display device including the same
US14/020,206 US8757844B2 (en) 2010-05-25 2013-09-06 Backlight unit and display device including the same

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
KR101054767B1 true KR101054767B1 (ko) 2011-08-05

Family

ID=44343952

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100048497A Expired - Fee Related KR101054767B1 (ko) 2010-05-25 2010-05-25 백라이트 유닛 및 표시장치

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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2582218A1 (en) * 2011-10-12 2013-04-17 Funai Electric Co., Ltd. Heat dissipation over rear frame of a display
KR20150106028A (ko) * 2014-03-10 2015-09-21 삼성디스플레이 주식회사 표시 장치
KR20180073734A (ko) * 2016-12-22 2018-07-03 엘지디스플레이 주식회사 디스플레이 장치

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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 (4)

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Publication number Priority date Publication date Assignee Title
KR100649106B1 (ko) 2005-08-22 2006-11-24 알티전자 주식회사 백 라이트 유닛 및 이를 이용한 액정표시장치
KR20070020823A (ko) * 2005-08-17 2007-02-22 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 표시장치
KR20080034717A (ko) * 2006-10-17 2008-04-22 주식회사 우영 에지형 ｌｅｄ 백라이트 유니트
KR20100001881A (ko) * 2008-06-27 2010-01-06 경북대학교 산학협력단 열방출이 용이한 백라이트 및 백라이트의 기판

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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
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
KR20100048497A (ko) 2008-10-31 2010-05-11 삼성전자주식회사 이동 무선통신 시스템의 핸드오버 방법

Patent Citations (4)

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KR20070020823A (ko) * 2005-08-17 2007-02-22 삼성전자주식회사 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
KR20100001881A (ko) * 2008-06-27 2010-01-06 경북대학교 산학협력단 열방출이 용이한 백라이트 및 백라이트의 기판

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9921366B2 (en) 2011-02-01 2018-03-20 Funai Electric Co., Ltd. Display with heat radiation
EP2582218A1 (en) * 2011-10-12 2013-04-17 Funai Electric Co., Ltd. Heat dissipation over rear frame of a display
US9329434B2 (en) 2011-10-12 2016-05-03 Funai Electric Co., Ltd. Display with heat radiation
US9618691B2 (en) 2011-10-12 2017-04-11 Funai Electric Co., Ltd. Display with heat radiation
EP3177127A3 (en) * 2011-10-12 2017-06-21 Funai Electric Co., Ltd. Heat dissipation over rear frame of a display
US9910213B2 (en) 2011-10-12 2018-03-06 Funai Electric Co., Ltd. Display with heat radiation
US9964695B2 (en) 2011-10-12 2018-05-08 Funai Electric Co., Ltd. Display with heat radiation
KR20150106028A (ko) * 2014-03-10 2015-09-21 삼성디스플레이 주식회사 표시 장치
KR102173659B1 (ko) 2014-03-10 2020-11-04 삼성디스플레이 주식회사 표시 장치
KR20180073734A (ko) * 2016-12-22 2018-07-03 엘지디스플레이 주식회사 디스플레이 장치
KR102583712B1 (ko) 2016-12-22 2023-09-27 엘지디스플레이 주식회사 디스플레이 장치

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
JP5823734B2 (ja) 2015-11-25
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

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JP2013033619A (ja) 光源モジュール、及び光源モジュールを備えた液晶表示装置

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