CN102313200B - 背光单元和显示装置 - Google Patents

背光单元和显示装置 Download PDF

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Publication number
CN102313200B
CN102313200B CN201110145163.5A CN201110145163A CN102313200B CN 102313200 B CN102313200 B CN 102313200B CN 201110145163 A CN201110145163 A CN 201110145163A CN 102313200 B CN102313200 B CN 102313200B
Authority
CN
China
Prior art keywords
light emitting
emitting module
heat radiation
guide plate
bottom 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.)
Expired - Fee Related
Application number
CN201110145163.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN102313200A (zh
Inventor
李相勋
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.)
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 CN102313200A publication Critical patent/CN102313200A/zh
Application granted granted Critical
Publication of CN102313200B publication Critical patent/CN102313200B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • 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
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in 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
    • G02F1/1335—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)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Liquid Crystal (AREA)
  • Electroluminescent Light Sources (AREA)
CN201110145163.5A 2010-06-03 2011-05-24 背光单元和显示装置 Expired - Fee Related CN102313200B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100052307A KR101047628B1 (ko) 2010-06-03 2010-06-03 백라이트 유닛 및 표시 장치
KR10-2010-0052307 2010-06-03

Publications (2)

Publication Number Publication Date
CN102313200A CN102313200A (zh) 2012-01-11
CN102313200B true CN102313200B (zh) 2015-06-24

Family

ID=44118230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110145163.5A Expired - Fee Related CN102313200B (zh) 2010-06-03 2011-05-24 背光单元和显示装置

Country Status (5)

Country Link
US (1) US8314901B2 (enExample)
EP (1) EP2395378B1 (enExample)
JP (1) JP5795487B2 (enExample)
KR (1) KR101047628B1 (enExample)
CN (1) CN102313200B (enExample)

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JP5317365B2 (ja) * 2010-01-07 2013-10-16 エルジー イノテック カンパニー リミテッド バックライトユニット
WO2013184151A1 (en) * 2012-06-08 2013-12-12 Apple Inc. Keyboard backlight features for a portable computer
US20140112021A1 (en) * 2012-10-24 2014-04-24 Shenzhen China Star Optoelectronics Technology Co. Ltd. Backlight module
KR102166064B1 (ko) * 2014-08-27 2020-10-16 엘지디스플레이 주식회사 백라이트 유닛
KR102473400B1 (ko) * 2016-02-01 2022-12-06 엘지전자 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치
KR102360611B1 (ko) * 2017-07-13 2022-02-09 엘지전자 주식회사 디스플레이 디바이스

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101191607A (zh) * 2006-11-28 2008-06-04 三菱电机株式会社 面状光源装置
CN101561579A (zh) * 2008-04-16 2009-10-21 霍尼韦尔国际公司 用于液晶显示的折叠背光系统
CN101676768A (zh) * 2008-09-18 2010-03-24 株式会社日立制作所 液晶显示装置
CN101676769A (zh) * 2008-09-18 2010-03-24 株式会社日立制作所 液晶显示装置

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JPH1184351A (ja) 1997-09-11 1999-03-26 Toshiba Corp 液晶表示装置
KR100654220B1 (ko) * 1999-08-03 2006-12-05 삼성전자주식회사 액정표시장치
US6930737B2 (en) * 2001-01-16 2005-08-16 Visteon Global Technologies, Inc. LED backlighting system
US7262752B2 (en) * 2001-01-16 2007-08-28 Visteon Global Technologies, Inc. Series led backlight control circuit
JP2004055430A (ja) * 2002-07-23 2004-02-19 Kawaguchiko Seimitsu Co Ltd バックライト装置
US7077554B2 (en) 2002-12-12 2006-07-18 Samsung Electronics Co., Ltd. Light guide plate with stepped edge and display device having the same
KR20060015202A (ko) 2004-08-13 2006-02-16 삼성전자주식회사 평판 표시 장치용 복사 패드와, 이를 갖는 백라이트어셈블리 및 평판 표시 장치
JP4385891B2 (ja) * 2004-08-18 2009-12-16 ソニー株式会社 表示装置
KR20060020315A (ko) 2004-08-31 2006-03-06 엘지.필립스 엘시디 주식회사 액정 표시 장치
US7311431B2 (en) * 2005-04-01 2007-12-25 Avago Technologies Ecbu Ip Pte Ltd Light-emitting apparatus having a plurality of adjacent, overlapping light-guide plates
JP4650075B2 (ja) * 2005-04-18 2011-03-16 ソニー株式会社 発光ユニットの放熱装置、バックライト装置及び画像表示装置
KR101134302B1 (ko) 2005-06-30 2012-04-13 엘지디스플레이 주식회사 액정표시장치용 커버버툼 및 이를 이용한 발광다이오드백라이트어셈블리와 액정표시장치모듈
KR100649106B1 (ko) 2005-08-22 2006-11-24 알티전자 주식회사 백 라이트 유닛 및 이를 이용한 액정표시장치
KR200401354Y1 (ko) 2005-09-07 2005-11-15 티티엠주식회사 액정표시장치의 방열구조
KR20070048516A (ko) 2005-11-04 2007-05-09 삼성전자주식회사 백라이트 어셈블리 및 이를 구비하는 액정표시장치
KR20070066218A (ko) 2005-12-21 2007-06-27 삼성전자주식회사 백라이트 어셈블리 및 이를 이용한 액정 표시 장치
JP2006261134A (ja) * 2006-06-14 2006-09-28 Sharp Corp 照明装置及び液晶表示装置
KR101319495B1 (ko) 2006-09-18 2013-10-17 엘지디스플레이 주식회사 백라이트 구조 및 이를 구비한 액정표시장치
KR20080029332A (ko) 2006-09-29 2008-04-03 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 표시 장치
JP2008175926A (ja) * 2007-01-17 2008-07-31 Hitachi Displays Ltd 液晶表示モジュール
KR20080071407A (ko) * 2007-01-30 2008-08-04 삼성전자주식회사 백라이트 유닛과 이를 포함한 액정 표시 장치
JPWO2009001802A1 (ja) * 2007-06-28 2010-08-26 日本ゼオン株式会社 照明装置
KR100879868B1 (ko) 2007-09-13 2009-01-22 삼성모바일디스플레이주식회사 액정표시장치
JP5056292B2 (ja) 2007-09-13 2012-10-24 オムロン株式会社 面光源装置及び液晶表示装置
KR101432507B1 (ko) 2007-12-31 2014-08-21 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시 장치
KR101412754B1 (ko) * 2008-01-18 2014-07-02 삼성디스플레이 주식회사 광원 유닛, 그 제조 방법 및 이를 구비하는 표시 장치
US8964636B2 (en) * 2008-06-23 2015-02-24 Qualcomm Incorporated Concentrator for multiplexing access point to wireless network connections
US7978286B2 (en) * 2008-06-24 2011-07-12 Toshiba Mobile Display Co., Ltd. Illumination unit and liquid crystal display device
JP4836057B2 (ja) * 2008-11-04 2011-12-14 東芝ホームテクノ株式会社 冷却ユニット

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101191607A (zh) * 2006-11-28 2008-06-04 三菱电机株式会社 面状光源装置
CN101561579A (zh) * 2008-04-16 2009-10-21 霍尼韦尔国际公司 用于液晶显示的折叠背光系统
CN101676768A (zh) * 2008-09-18 2010-03-24 株式会社日立制作所 液晶显示装置
CN101676769A (zh) * 2008-09-18 2010-03-24 株式会社日立制作所 液晶显示装置

Also Published As

Publication number Publication date
EP2395378B1 (en) 2014-01-29
KR101047628B1 (ko) 2011-07-08
US8314901B2 (en) 2012-11-20
JP5795487B2 (ja) 2015-10-14
EP2395378A1 (en) 2011-12-14
JP2011253806A (ja) 2011-12-15
US20110228198A1 (en) 2011-09-22
CN102313200A (zh) 2012-01-11

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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150624

Termination date: 20170524

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