CN103090262A - 背光单元、具有背光单元的显示装置和照明系统 - Google Patents

背光单元、具有背光单元的显示装置和照明系统 Download PDF

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Publication number
CN103090262A
CN103090262A CN2012100562599A CN201210056259A CN103090262A CN 103090262 A CN103090262 A CN 103090262A CN 2012100562599 A CN2012100562599 A CN 2012100562599A CN 201210056259 A CN201210056259 A CN 201210056259A CN 103090262 A CN103090262 A CN 103090262A
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CN
China
Prior art keywords
backlight unit
protrusion
heat dissipation
light source
upper cover
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.)
Pending
Application number
CN2012100562599A
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English (en)
Chinese (zh)
Inventor
金兑训
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
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LG Innotek Co Ltd
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Filing date
Publication date
Application filed by LG Innotek Co Ltd filed Critical LG Innotek Co Ltd
Publication of CN103090262A publication Critical patent/CN103090262A/zh
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0085Means for removing heat created by the light source from the package
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0081Mechanical 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
    • G02B6/0086Positioning aspects
    • G02B6/009Positioning aspects of the light source in the package
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133605Direct backlight including specially adapted reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133628Illuminating devices with cooling means

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
CN2012100562599A 2011-11-02 2012-03-01 背光单元、具有背光单元的显示装置和照明系统 Pending CN103090262A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0113545 2011-11-02
KR1020110113545A KR101867044B1 (ko) 2011-11-02 2011-11-02 백라이트 유닛, 이를 이용한 디스플레이 장치 및 이를 포함하는 조명 장치

Publications (1)

Publication Number Publication Date
CN103090262A true CN103090262A (zh) 2013-05-08

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Application Number Title Priority Date Filing Date
CN2012100562599A Pending CN103090262A (zh) 2011-11-02 2012-03-01 背光单元、具有背光单元的显示装置和照明系统

Country Status (4)

Country Link
US (2) US8807772B2 (enExample)
JP (1) JP6186111B2 (enExample)
KR (1) KR101867044B1 (enExample)
CN (1) CN103090262A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439831A (zh) * 2013-08-05 2013-12-11 青岛海信电器股份有限公司 侧光式液晶模组、直下式液晶模组及电视机
CN105065937A (zh) * 2015-08-10 2015-11-18 苏州速腾电子科技有限公司 带有二次反射反射器的照明灯
CN105700238A (zh) * 2013-08-05 2016-06-22 青岛海信电器股份有限公司 侧光式液晶模组、直下式液晶模组及电视机

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KR101902394B1 (ko) * 2011-12-12 2018-09-28 엘지이노텍 주식회사 조명 유닛 및 그를 이용한 디스플레이 장치
KR101948141B1 (ko) * 2012-02-23 2019-02-14 엘지이노텍 주식회사 백라이트 유닛 및 그를 이용한 조명 시스템
CA2809555C (en) 2012-05-07 2015-07-21 Abl Ip Holding Llc Led light fixture
TWI522571B (zh) * 2012-08-27 2016-02-21 南臺科技大學 照明裝置
US20140177219A1 (en) * 2012-12-20 2014-06-26 Ecolite Manufacturing Co. Low Profile Light Fixture
CN103899942A (zh) * 2012-12-29 2014-07-02 欧普照明股份有限公司 一种照明灯具
KR102140579B1 (ko) * 2013-10-08 2020-08-03 엘지이노텍 주식회사 조명 장치
JP6440013B2 (ja) * 2014-04-30 2018-12-19 大日本印刷株式会社 照明システムおよび反射シート
KR102487682B1 (ko) * 2015-10-19 2023-01-16 쑤저우 레킨 세미컨덕터 컴퍼니 리미티드 조명 장치
KR102554267B1 (ko) * 2016-09-27 2023-07-12 엘지디스플레이 주식회사 디스플레이 장치
WO2024227035A1 (en) * 2023-04-27 2024-10-31 Whelen Engineering Company, Inc. Vehicle lighting system using light channels

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JP2006106212A (ja) * 2004-10-01 2006-04-20 Nippon Leiz Co Ltd バックライトユニット
US20060221641A1 (en) * 2005-04-01 2006-10-05 Samsung Electronics Co., Ltd. Light emitting diode backlight and liquid crystal display having the same
CN201606759U (zh) * 2010-02-09 2010-10-13 华映视讯(吴江)有限公司 Lcd模组侧入式背光灯罩固定结构
CN101994950A (zh) * 2009-08-10 2011-03-30 友达光电股份有限公司 背光模组
CN102067018A (zh) * 2009-06-24 2011-05-18 爱泼特光电有限公司 模块电路基板与框架的结合装置及使用了该结合装置的背光装置
CN201944701U (zh) * 2011-03-09 2011-08-24 青岛海信电器股份有限公司 背光模组及包括其的液晶显示装置
US20110222267A1 (en) * 2011-01-14 2011-09-15 Lg Innotek Co., Ltd. Backlight unit and display apparatus using the same

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DE3929955A1 (de) * 1989-09-08 1991-03-14 Inotec Gmbh Ges Fuer Innovativ Lichtstrahler
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JP2011003506A (ja) * 2009-06-22 2011-01-06 Casio Computer Co Ltd 面光源
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US9016919B2 (en) * 2009-12-17 2015-04-28 Sharp Kabushiki Kaisha Lighting device, display device and television receiver
KR20110108832A (ko) 2010-03-30 2011-10-06 엘지이노텍 주식회사 발광 소자, 라이트 유닛 및 이를 구비한 표시 장치

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Publication number Priority date Publication date Assignee Title
JP2006106212A (ja) * 2004-10-01 2006-04-20 Nippon Leiz Co Ltd バックライトユニット
US20060221641A1 (en) * 2005-04-01 2006-10-05 Samsung Electronics Co., Ltd. Light emitting diode backlight and liquid crystal display having the same
CN102067018A (zh) * 2009-06-24 2011-05-18 爱泼特光电有限公司 模块电路基板与框架的结合装置及使用了该结合装置的背光装置
CN101994950A (zh) * 2009-08-10 2011-03-30 友达光电股份有限公司 背光模组
CN201606759U (zh) * 2010-02-09 2010-10-13 华映视讯(吴江)有限公司 Lcd模组侧入式背光灯罩固定结构
US20110222267A1 (en) * 2011-01-14 2011-09-15 Lg Innotek Co., Ltd. Backlight unit and display apparatus using the same
CN201944701U (zh) * 2011-03-09 2011-08-24 青岛海信电器股份有限公司 背光模组及包括其的液晶显示装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103439831A (zh) * 2013-08-05 2013-12-11 青岛海信电器股份有限公司 侧光式液晶模组、直下式液晶模组及电视机
CN103439831B (zh) * 2013-08-05 2016-03-30 青岛海信电器股份有限公司 侧光式液晶模组、直下式液晶模组及电视机
CN105700238A (zh) * 2013-08-05 2016-06-22 青岛海信电器股份有限公司 侧光式液晶模组、直下式液晶模组及电视机
CN105700238B (zh) * 2013-08-05 2019-03-15 青岛海信电器股份有限公司 侧光式液晶模组、直下式液晶模组及电视机
CN105065937A (zh) * 2015-08-10 2015-11-18 苏州速腾电子科技有限公司 带有二次反射反射器的照明灯

Also Published As

Publication number Publication date
US20140328050A1 (en) 2014-11-06
US20120140444A1 (en) 2012-06-07
US8807772B2 (en) 2014-08-19
KR20130048607A (ko) 2013-05-10
JP2013098165A (ja) 2013-05-20
KR101867044B1 (ko) 2018-07-23
US9207392B2 (en) 2015-12-08
JP6186111B2 (ja) 2017-08-23

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