TW200720790A - LED backlight unit - Google Patents

LED backlight unit

Info

Publication number
TW200720790A
TW200720790A TW095137478A TW95137478A TW200720790A TW 200720790 A TW200720790 A TW 200720790A TW 095137478 A TW095137478 A TW 095137478A TW 95137478 A TW95137478 A TW 95137478A TW 200720790 A TW200720790 A TW 200720790A
Authority
TW
Taiwan
Prior art keywords
light source
board
backlight unit
led backlight
underside
Prior art date
Application number
TW095137478A
Other languages
English (en)
Other versions
TWI363229B (en
Inventor
Hyeong-Won Yun
Hyun-Ho Lee
Original Assignee
Samsung Electro Mech
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 Samsung Electro Mech filed Critical Samsung Electro Mech
Publication of TW200720790A publication Critical patent/TW200720790A/zh
Application granted granted Critical
Publication of TWI363229B publication Critical patent/TWI363229B/zh

Links

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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
    • H05K1/0203—Cooling of mounted components
    • H05K1/021—Components thermally connected to metal substrates or heat-sinks by insert mounting
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805—Shape
    • H01L2224/4809—Loop shape
    • H01L2224/48091—Arched
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10106—Light emitting diode [LED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431—Details of mounted components
    • H05K2201/1056—Metal over component, i.e. metal plate over component mounted on or embedded in PCB
TW095137478A 2005-10-12 2006-10-12 Led backlight unit TWI363229B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050096173A KR100703094B1 (ko) 2005-10-12 2005-10-12 Ｌｅｄ 백라이트 유닛

Publications (2)

Publication Number Publication Date
TW200720790A true TW200720790A (en) 2007-06-01
TWI363229B TWI363229B (en) 2012-05-01

Family

ID=37910911

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095137478A TWI363229B (en) 2005-10-12 2006-10-12 Led backlight unit

Country Status (6)

Country Link
US (1) US7425729B2 (zh)
JP (1) JP4430057B2 (zh)
KR (1) KR100703094B1 (zh)
CN (1) CN100437297C (zh)
NL (1) NL2000264C2 (zh)
TW (1) TWI363229B (zh)

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JP2006005290A (ja) * 2004-06-21 2006-01-05 Citizen Electronics Co Ltd 発光ダイオード
JP2008293858A (ja) * 2007-05-25 2008-12-04 Showa Denko Kk 発光装置、表示装置
WO2009017007A1 (ja) * 2007-07-27 2009-02-05 Sharp Kabushiki Kaisha シャーシと、これを備えた照明装置および表示装置
WO2009017006A1 (ja) * 2007-07-27 2009-02-05 Sharp Kabushiki Kaisha シャーシと、これを備えた照明装置および表示装置
CN101790661A (zh) * 2007-07-31 2010-07-28 Lsi工业公司 照明设备
KR101389349B1 (ko) * 2007-11-23 2014-04-28 삼성전자주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
CN101561123B (zh) * 2008-04-17 2012-05-02 阳杰科技股份有限公司 光源模组及其维修方法
US8083372B2 (en) 2008-04-25 2011-12-27 Epson Imaging Devices Corporation Illumination system, electro-optic device, and electronic apparatus
JP2009266624A (ja) * 2008-04-25 2009-11-12 Epson Imaging Devices Corp 照明装置、液晶表示装置及び電子機器
KR100989516B1 (ko) * 2008-07-01 2010-10-25 주식회사 디에스엘시디 발광다이오드 패키지 및 이를 이용하는 백라이트 유닛
CN101725901B (zh) * 2008-10-24 2012-07-18 鸿富锦精密工业（深圳）有限公司 光源模组
KR101545941B1 (ko) 2009-01-07 2015-08-21 삼성디스플레이 주식회사 광원, 이를 갖는 광출사 모듈 및 백라이트 어셈블리
US8096671B1 (en) 2009-04-06 2012-01-17 Nmera, Llc Light emitting diode illumination system
JP5345454B2 (ja) * 2009-07-02 2013-11-20 株式会社日立ビルシステム エレベータかご室の照明装置
US9176340B1 (en) * 2009-09-30 2015-11-03 Rockwell Collins, Inc. AMLCD backlight angular control using fiberoptic face plate
JP2012047817A (ja) * 2010-08-24 2012-03-08 Sumitomo Chemical Co Ltd 光制御板ユニット、面光源装置及び透過型画像表示装置
KR101677105B1 (ko) * 2010-08-30 2016-11-17 삼성디스플레이 주식회사 전자 부품 및 그 제조 방법
US20120092887A1 (en) * 2010-10-15 2012-04-19 Shenzhen China Star Optoelectronics Technology Co., Ltd. Backlight module and display apparatus
US8605232B2 (en) 2011-01-18 2013-12-10 Apple Inc. Display backlight having light guide plate with light source holes and dual source packages
CN102644883A (zh) * 2011-03-25 2012-08-22 京东方科技集团股份有限公司 直下式背光源
JP5089788B1 (ja) * 2011-05-13 2012-12-05 シャープ株式会社 液晶表示装置
JP2013026528A (ja) * 2011-07-22 2013-02-04 Sharp Corp 発光装置および表示装置
WO2013180329A1 (ko) * 2012-06-01 2013-12-05 주식회사 이아이라이팅 Lcd 백라이트 유닛
US20140204309A1 (en) * 2013-01-24 2014-07-24 Kabushiki Kaisha Toshiba Electronic apparatus
CN103982813B (zh) * 2013-02-08 2017-08-15 香港理工大学 超薄大尺寸直下式背光模块
TWI598665B (zh) * 2013-03-15 2017-09-11 隆達電子股份有限公司 發光元件、長條狀發光元件及其應用
US9785007B2 (en) 2014-04-09 2017-10-10 Apple Inc. Display with localized backlight dimming
KR102564142B1 (ko) * 2019-07-03 2023-08-07 엘지디스플레이 주식회사 백라이트 유닛 및 그를 포함하는 표시장치
US11841586B1 (en) 2022-07-21 2023-12-12 Dell Products L.P. Position-adjustable backlight

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JPS61116702A (ja) * 1984-11-12 1986-06-04 株式会社小糸製作所 車輛用灯具
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JP2000235808A (ja) * 1999-02-15 2000-08-29 Matsushita Electric Works Ltd 光源装置
US6225139B1 (en) * 2000-01-24 2001-05-01 Chan Tsung-Wen Manufacturing method of an led of a type of round concave cup with a flat bottom
JP3938100B2 (ja) * 2003-05-15 2007-06-27 邦裕 服部 Ｌｅｄランプおよびｌｅｄ照明具
JP4269790B2 (ja) * 2003-06-11 2009-05-27 セイコーエプソン株式会社 発光素子、照明装置、投射型表示装置
KR20050022820A (ko) * 2003-08-30 2005-03-08 (주)싸이버뱅크 ＬＥＤ 칩(ｃｈｉｐ)을 이용한 면광원 장치
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JP2006005290A (ja) * 2004-06-21 2006-01-05 Citizen Electronics Co Ltd 発光ダイオード
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Also Published As

Publication number Publication date
US7425729B2 (en) 2008-09-16
CN100437297C (zh) 2008-11-26
CN1949059A (zh) 2007-04-18
JP4430057B2 (ja) 2010-03-10
TWI363229B (en) 2012-05-01
KR100703094B1 (ko) 2007-04-06
US20070081323A1 (en) 2007-04-12
NL2000264A1 (nl) 2007-04-13
JP2007109656A (ja) 2007-04-26
NL2000264C2 (nl) 2011-05-18

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