KR101034121B1 - 백라이트 유닛 - Google Patents

백라이트 유닛 Download PDF

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Publication number
KR101034121B1
KR101034121B1 KR1020090129355A KR20090129355A KR101034121B1 KR 101034121 B1 KR101034121 B1 KR 101034121B1 KR 1020090129355 A KR1020090129355 A KR 1020090129355A KR 20090129355 A KR20090129355 A KR 20090129355A KR 101034121 B1 KR101034121 B1 KR 101034121B1
Authority
KR
South Korea
Prior art keywords
guide plate
light guide
fixing member
bottom chassis
fixing
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
KR1020090129355A
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English (en)
Korean (ko)
Inventor
이해형
정윤모
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.)
Filing date
Publication date
Application filed by 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020090129355A priority Critical patent/KR101034121B1/ko
Priority to US12/949,885 priority patent/US9348084B2/en
Priority to EP10196292.6A priority patent/EP2343582B1/en
Priority to JP2010285323A priority patent/JP2011134715A/ja
Priority to CN201010615729.1A priority patent/CN102102832B/zh
Application granted granted Critical
Publication of KR101034121B1 publication Critical patent/KR101034121B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in the package
    • 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
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
KR1020090129355A 2009-12-22 2009-12-22 백라이트 유닛 Expired - Fee Related KR101034121B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020090129355A KR101034121B1 (ko) 2009-12-22 2009-12-22 백라이트 유닛
US12/949,885 US9348084B2 (en) 2009-12-22 2010-11-19 Backlight unit
EP10196292.6A EP2343582B1 (en) 2009-12-22 2010-12-21 Backlight unit
JP2010285323A JP2011134715A (ja) 2009-12-22 2010-12-22 バックライトユニット
CN201010615729.1A CN102102832B (zh) 2009-12-22 2010-12-22 背光单元

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090129355A KR101034121B1 (ko) 2009-12-22 2009-12-22 백라이트 유닛

Publications (1)

Publication Number Publication Date
KR101034121B1 true KR101034121B1 (ko) 2011-05-13

Family

ID=43901446

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090129355A Expired - Fee Related KR101034121B1 (ko) 2009-12-22 2009-12-22 백라이트 유닛

Country Status (5)

Country Link
US (1) US9348084B2 (enExample)
EP (1) EP2343582B1 (enExample)
JP (1) JP2011134715A (enExample)
KR (1) KR101034121B1 (enExample)
CN (1) CN102102832B (enExample)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5535764B2 (ja) * 2010-05-20 2014-07-02 シャープ株式会社 バックライトユニット及び液晶表示装置
KR20120082678A (ko) * 2011-01-14 2012-07-24 삼성전자주식회사 백라이트유닛 및 그를 구비한 액정표시장치
KR101822110B1 (ko) * 2011-07-06 2018-01-26 삼성디스플레이 주식회사 표시 장치
US8801260B2 (en) 2011-07-11 2014-08-12 Seiko Epson Corporation Display device, electronic apparatus and lighting device
DE102011107642A1 (de) * 2011-07-12 2013-01-17 Bjb Gmbh & Co. Kg Leuchtmittel mit wenigstens einer organischen, Licht emittierenden Diode
TWI497166B (zh) * 2011-07-14 2015-08-21 Au Optronics Corp 背光模組以及顯示裝置
KR101835529B1 (ko) * 2011-08-09 2018-03-08 삼성디스플레이 주식회사 표시 장치 및 이에 사용되는 광원 패키지
JP5983031B2 (ja) * 2011-08-17 2016-08-31 セイコーエプソン株式会社 液晶表示装置および電子機器
US8696189B2 (en) * 2011-08-18 2014-04-15 Shenzhen China Star Optoelectronics Technology Co., Ltd. Light-guild-plate positioning sheet and corresponding backlight module
CN102313210B (zh) * 2011-09-09 2014-02-26 深圳市华星光电技术有限公司 背光模组及液晶显示器
WO2013054732A1 (ja) * 2011-10-11 2013-04-18 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
US20140293136A1 (en) * 2011-10-27 2014-10-02 Sharp Kabushiki Kaisha Illumination device, display device, television receiving device, and illumination device manufacturing method
KR20130109732A (ko) * 2012-03-28 2013-10-08 삼성전자주식회사 백라이트 유닛 및 이를 구비한 영상 표시 장치
CN104285093A (zh) * 2012-06-19 2015-01-14 夏普株式会社 显示装置和电视接收装置
CN102767755B (zh) * 2012-06-26 2014-12-31 达运精密工业（苏州）有限公司 背光模组及显示装置
CN102759079A (zh) * 2012-07-17 2012-10-31 深圳市华星光电技术有限公司 抵抗外来力量的背板及其背光模块和液晶显示器
CN102798042B (zh) * 2012-07-31 2014-09-17 深圳市华星光电技术有限公司 一种背光模组及液晶显示器
CN102788329B (zh) * 2012-07-31 2014-04-09 深圳市华星光电技术有限公司 液晶显示装置及其背光模组和背板组件
US20140036196A1 (en) * 2012-07-31 2014-02-06 Shenzhen China Star Optoelectronics Technology Co., Ltd. LCD Display, Backlight module, and Back Plate Component Thereof
JP6098313B2 (ja) * 2013-04-11 2017-03-22 船井電機株式会社 表示装置及び表示装置の光軸調整方法
DE202013101770U1 (de) 2013-04-24 2014-07-28 Zumtobel Lighting Gmbh LED-Leuchte mit Lichtleiterplatte
US9784906B2 (en) * 2013-07-16 2017-10-10 Sharp Kabushiki Kaisha Lighting device, display device, and television device
CN103453463B (zh) * 2013-08-23 2016-01-20 北京京东方光电科技有限公司 一种导光板、背光模组及显示装置
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
US9939672B2 (en) * 2014-06-13 2018-04-10 Apple Inc. Electronic device with heat spreading film
WO2016056084A1 (ja) * 2014-10-08 2016-04-14 堺ディスプレイプロダクト株式会社 光源装置及び表示装置
CN104748017A (zh) * 2015-04-10 2015-07-01 北京京东方多媒体科技有限公司 背光源及显示装置
US20200338826A1 (en) * 2017-12-22 2020-10-29 Ryujin Lab, Inc. 3d printer and printing system
KR102109081B1 (ko) * 2019-07-09 2020-05-11 유경수 스테인드 글라스를 이용한 조명 영사 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007250197A (ja) * 2006-03-13 2007-09-27 Harison Toshiba Lighting Corp Ｌｅｄモジュール
KR20090055148A (ko) * 2007-11-28 2009-06-02 엘지디스플레이 주식회사 백라이트 유닛 및 이를 이용한 액정 표시장치
JP2009199871A (ja) 2008-02-21 2009-09-03 Mitsubishi Electric Corp 面状光源装置、及び面状光源装置を用いた表示装置
JP2009224301A (ja) * 2008-03-19 2009-10-01 Epson Imaging Devices Corp 照明装置、照明装置の組立て方法及び液晶表示装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002203418A (ja) 2000-12-28 2002-07-19 Matsushita Electric Works Ltd 照明装置
JP4244942B2 (ja) * 2005-03-08 2009-03-25 セイコーエプソン株式会社 液晶装置、照明装置、および電子機器
KR20070064761A (ko) 2005-12-19 2007-06-22 삼성전자주식회사 표시장치용 수납 용기, 이를 갖는 백라이트 어셈블리 및표시장치
US7775702B2 (en) * 2006-02-13 2010-08-17 Sharp Kabushiki Kaisha Liquid crystal display device, light source holder, light source-housing member, and backlight
KR101338991B1 (ko) 2007-04-09 2013-12-09 엘지디스플레이 주식회사 액정표시장치
JP2009042360A (ja) 2007-08-07 2009-02-26 Sakaguchi Masaichi 照光表示装置
JP4909866B2 (ja) 2007-10-10 2012-04-04 富士フイルム株式会社 面状照明装置
JP4911624B2 (ja) * 2007-10-30 2012-04-04 ミネベア株式会社 面状照明装置
JP2009277641A (ja) 2007-12-27 2009-11-26 Fujifilm Corp 面状照明装置
JP5190735B2 (ja) 2008-03-06 2013-04-24 Ｎｌｔテクノロジー株式会社 バックライト及び液晶表示装置
JP2009245884A (ja) * 2008-03-31 2009-10-22 Sanken Electric Co Ltd 面光源装置
JP2009245885A (ja) 2008-03-31 2009-10-22 Sanken Electric Co Ltd 面光源装置
JP4732526B2 (ja) 2009-01-30 2011-07-27 シャープ株式会社 バックライト及び液晶表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007250197A (ja) * 2006-03-13 2007-09-27 Harison Toshiba Lighting Corp Ｌｅｄモジュール
KR20090055148A (ko) * 2007-11-28 2009-06-02 엘지디스플레이 주식회사 백라이트 유닛 및 이를 이용한 액정 표시장치
JP2009199871A (ja) 2008-02-21 2009-09-03 Mitsubishi Electric Corp 面状光源装置、及び面状光源装置を用いた表示装置
JP2009224301A (ja) * 2008-03-19 2009-10-01 Epson Imaging Devices Corp 照明装置、照明装置の組立て方法及び液晶表示装置

Also Published As

Publication number Publication date
US20110149602A1 (en) 2011-06-23
US9348084B2 (en) 2016-05-24
CN102102832A (zh) 2011-06-22
CN102102832B (zh) 2016-02-17
EP2343582A1 (en) 2011-07-13
JP2011134715A (ja) 2011-07-07
EP2343582B1 (en) 2013-07-03

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