KR101047628B1 - 백라이트 유닛 및 표시 장치 - Google Patents

백라이트 유닛 및 표시 장치 Download PDF

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Publication number
KR101047628B1
KR101047628B1 KR1020100052307A KR20100052307A KR101047628B1 KR 101047628 B1 KR101047628 B1 KR 101047628B1 KR 1020100052307 A KR1020100052307 A KR 1020100052307A KR 20100052307 A KR20100052307 A KR 20100052307A KR 101047628 B1 KR101047628 B1 KR 101047628B1
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KR
South Korea
Prior art keywords
bottom cover
disposed
light emitting
emitting module
support member
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
KR1020100052307A
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English (en)
Korean (ko)
Inventor
이상훈
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.)
Filing date
Publication date
Application filed by 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020100052307A priority Critical patent/KR101047628B1/ko
Priority to JP2011097723A priority patent/JP5795487B2/ja
Priority to CN201110145163.5A priority patent/CN102313200B/zh
Priority to US13/118,883 priority patent/US8314901B2/en
Priority to EP11168708.3A priority patent/EP2395378B1/en
Application granted granted Critical
Publication of KR101047628B1 publication Critical patent/KR101047628B1/ko
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
    • 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

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  • 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)
KR1020100052307A 2010-06-03 2010-06-03 백라이트 유닛 및 표시 장치 Expired - Fee Related KR101047628B1 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020100052307A KR101047628B1 (ko) 2010-06-03 2010-06-03 백라이트 유닛 및 표시 장치
JP2011097723A JP5795487B2 (ja) 2010-06-03 2011-04-26 バックライトユニット及び表示装置
CN201110145163.5A CN102313200B (zh) 2010-06-03 2011-05-24 背光单元和显示装置
US13/118,883 US8314901B2 (en) 2010-06-03 2011-05-31 Backlight unit and display device
EP11168708.3A EP2395378B1 (en) 2010-06-03 2011-06-03 Backlight unit and display device

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
KR101047628B1 true KR101047628B1 (ko) 2011-07-08

Family

ID=44118230

Family Applications (1)

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

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160025662A (ko) * 2014-08-27 2016-03-09 엘지디스플레이 주식회사 백라이트 유닛

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2343581A1 (en) * 2010-01-07 2011-07-13 LG Innotek Co., Ltd. Backlight unit
JP6171005B2 (ja) * 2012-06-08 2017-07-26 アップル インコーポレイテッド ポータブルコンピュータのキーボードバックライト機能
US20140112021A1 (en) * 2012-10-24 2014-04-24 Shenzhen China Star Optoelectronics Technology Co. Ltd. Backlight module
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)

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JP2004193135A (ja) 2002-12-12 2004-07-08 Samsung Electronics Co Ltd バックライトアセンブリ及びこれを有する液晶表示装置
KR20080071407A (ko) * 2007-01-30 2008-08-04 삼성전자주식회사 백라이트 유닛과 이를 포함한 액정 표시 장치
KR20090079568A (ko) * 2008-01-18 2009-07-22 삼성전자주식회사 광원 유닛, 그 제조 방법 및 이를 구비하는 표시 장치
JP2010113845A (ja) * 2008-11-04 2010-05-20 Toshiba Home Technology Corp 冷却ユニット

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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
US7262752B2 (en) * 2001-01-16 2007-08-28 Visteon Global Technologies, Inc. Series led backlight control circuit
US6930737B2 (en) * 2001-01-16 2005-08-16 Visteon Global Technologies, Inc. LED backlighting system
JP2004055430A (ja) * 2002-07-23 2004-02-19 Kawaguchiko Seimitsu Co Ltd バックライト装置
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
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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
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US8085359B2 (en) 2008-04-16 2011-12-27 Honeywell International Inc. Folded backlight systems having low index regions that prevent light failing to meet total internal reflection conditions from entering a plate portion and liquid crystal displays using the same
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JP2004193135A (ja) 2002-12-12 2004-07-08 Samsung Electronics Co Ltd バックライトアセンブリ及びこれを有する液晶表示装置
KR20080071407A (ko) * 2007-01-30 2008-08-04 삼성전자주식회사 백라이트 유닛과 이를 포함한 액정 표시 장치
KR20090079568A (ko) * 2008-01-18 2009-07-22 삼성전자주식회사 광원 유닛, 그 제조 방법 및 이를 구비하는 표시 장치
JP2010113845A (ja) * 2008-11-04 2010-05-20 Toshiba Home Technology Corp 冷却ユニット

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160025662A (ko) * 2014-08-27 2016-03-09 엘지디스플레이 주식회사 백라이트 유닛
KR102166064B1 (ko) * 2014-08-27 2020-10-16 엘지디스플레이 주식회사 백라이트 유닛

Also Published As

Publication number Publication date
CN102313200A (zh) 2012-01-11
CN102313200B (zh) 2015-06-24
US20110228198A1 (en) 2011-09-22
EP2395378B1 (en) 2014-01-29
US8314901B2 (en) 2012-11-20
EP2395378A1 (en) 2011-12-14
JP5795487B2 (ja) 2015-10-14
JP2011253806A (ja) 2011-12-15

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