TWI347475B - Surface light source and backlight unit having the same - Google Patents

Surface light source and backlight unit having the same

Info

Publication number
TWI347475B
TWI347475B TW095124763A TW95124763A TWI347475B TW I347475 B TWI347475 B TW I347475B TW 095124763 A TW095124763 A TW 095124763A TW 95124763 A TW95124763 A TW 95124763A TW I347475 B TWI347475 B TW I347475B
Authority
TW
Taiwan
Prior art keywords
light source
same
backlight unit
surface light
backlight
Prior art date
Application number
TW095124763A
Other languages
English (en)
Other versions
TW200710506A (en
Inventor
Hyun Ho Lee
Jae Wook Kwon
Hyeong Won Yun
Original Assignee
Samsung Led 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 Samsung Led Co Ltd filed Critical Samsung Led Co Ltd
Publication of TW200710506A publication Critical patent/TW200710506A/zh
Application granted granted Critical
Publication of TWI347475B publication Critical patent/TWI347475B/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
    • 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
    • G02F1/133613—Direct backlight characterized by the sequence of light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Led Device Packages (AREA)
TW095124763A 2005-07-11 2006-07-07 Surface light source and backlight unit having the same TWI347475B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050062297A KR100780198B1 (ko) 2005-07-11 2005-07-11 색 얼룩 특성이 개선된 ｌｅｄ 면 광원 및 이를 구비하는ｌｃｄ 백라이트 유닛

Publications (2)

Publication Number Publication Date
TW200710506A TW200710506A (en) 2007-03-16
TWI347475B true TWI347475B (en) 2011-08-21

Family

ID=37609386

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095124763A TWI347475B (en) 2005-07-11 2006-07-07 Surface light source and backlight unit having the same

Country Status (6)

Country Link
US (1) US7387421B2 (zh)
JP (1) JP2010245052A (zh)
KR (1) KR100780198B1 (zh)
CN (1) CN1896840A (zh)
NL (1) NL2000128C2 (zh)
TW (1) TWI347475B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9890930B2 (en) 2012-06-04 2018-02-13 Lextar Electronics Corporation Light source module

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US7821023B2 (en) 2005-01-10 2010-10-26 Cree, Inc. Solid state lighting component
US9070850B2 (en) 2007-10-31 2015-06-30 Cree, Inc. Light emitting diode package and method for fabricating same
US9793247B2 (en) 2005-01-10 2017-10-17 Cree, Inc. Solid state lighting component
KR20060095345A (ko) * 2005-02-28 2006-08-31 엘지.필립스 엘시디 주식회사 백라이트 어셈블리 및 이를 이용한 액정표시장치
KR100691191B1 (ko) * 2005-07-15 2007-03-09 삼성전기주식회사 Ｌｅｄ를 이용한 면광원 및 이를 구비하는 ｌｃｄ 백라이트유닛
KR100764368B1 (ko) 2006-01-11 2007-10-08 삼성전기주식회사 광 혼합 성능이 향상된 백 라이트 유니트
US20070200121A1 (en) * 2006-02-24 2007-08-30 Lumileds Lighting U.S., Llc Multi-colored LED array with improved color uniformity
TWI270725B (en) * 2006-03-17 2007-01-11 Innolux Display Corp Light source array, backlight module and liquid crystal display
US9335006B2 (en) 2006-04-18 2016-05-10 Cree, Inc. Saturated yellow phosphor converted LED and blue converted red LED
US8113703B2 (en) * 2006-07-07 2012-02-14 Koninklijke Philips Electronics N.V. Dual-layer light guide structure for LED-based lighting device
KR101284044B1 (ko) * 2006-08-07 2013-07-17 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시 장치
US8018424B2 (en) * 2006-10-19 2011-09-13 Au Optronics Corporation Backlight device with zone control
US10295147B2 (en) 2006-11-09 2019-05-21 Cree, Inc. LED array and method for fabricating same
TWI358580B (en) * 2006-12-11 2012-02-21 Chimei Innolux Corp Backlight module and liquid crystal display device
GB2454457B (en) * 2007-11-02 2012-11-14 Raytec Ltd Intelligent illumination
US20090116210A1 (en) * 2007-03-30 2009-05-07 Shaun Cutler Device for intelligent illumination
JP2009087695A (ja) * 2007-09-28 2009-04-23 Citizen Electronics Co Ltd 面光源装置及び面光源装置の製造方法
JP5000479B2 (ja) * 2007-12-27 2012-08-15 シャープ株式会社 面光源、表示装置及びその製造方法
KR101359673B1 (ko) 2008-06-19 2014-02-07 삼성전자주식회사 면 광원 장치 및 이를 구비하는 백라이트 유닛
US9425172B2 (en) * 2008-10-24 2016-08-23 Cree, Inc. Light emitter array
US9786811B2 (en) 2011-02-04 2017-10-10 Cree, Inc. Tilted emission LED array
US10842016B2 (en) 2011-07-06 2020-11-17 Cree, Inc. Compact optically efficient solid state light source with integrated thermal management
KR101881065B1 (ko) * 2011-12-21 2018-07-24 삼성전자주식회사 광원 모듈 및 백라이트 유닛
KR20130104522A (ko) 2012-03-14 2013-09-25 삼성디스플레이 주식회사 광원 모듈 및 이를 포함하는 표시 장치
KR20140021748A (ko) 2012-08-09 2014-02-20 삼성디스플레이 주식회사 표시 장치용 조명 장치 및 이를 포함하는 표시 장치
CN110837192A (zh) * 2018-08-16 2020-02-25 深圳Tcl新技术有限公司 一种液晶显示背光模组
CN111383552A (zh) * 2020-05-09 2020-07-07 广州视源电子科技股份有限公司 一种led灯珠及led显示屏
JP2023179933A (ja) * 2022-06-08 2023-12-20 株式会社ジャパンディスプレイ 表示装置

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JPH0640242B2 (ja) * 1986-06-06 1994-05-25 富士通株式会社 カラ−表示装置
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JP3155996B2 (ja) * 1995-12-12 2001-04-16 アルプス電気株式会社 カラー液晶表示装置
JP4007461B2 (ja) * 1996-07-24 2007-11-14 シチズン電子株式会社 カラー表示装置
JP3292133B2 (ja) 1997-04-14 2002-06-17 日亜化学工業株式会社 Ｌｅｄ表示器及びそれを用いた表示装置
JP3542504B2 (ja) * 1997-08-28 2004-07-14 キヤノン株式会社 カラー表示装置
US6478447B2 (en) * 1999-11-23 2002-11-12 George Yen Device arrangement of LED lighting units
JP2002055661A (ja) * 2000-08-11 2002-02-20 Nec Corp 液晶ディスプレイの駆動方法、その回路及び画像表示装置
KR100788382B1 (ko) * 2000-12-13 2007-12-31 엘지.필립스 엘시디 주식회사 액정표시장치의 백라이트 유닛
KR100628264B1 (ko) * 2002-09-26 2006-09-27 엘지.필립스 엘시디 주식회사 액정표시장치의 백라이트 유닛
DE10245892A1 (de) * 2002-09-30 2004-05-13 Siemens Ag Beleuchtungseinrichtung zur Hinterleuchtung einer Bildwiedergabevorrichtung
US7320531B2 (en) * 2003-03-28 2008-01-22 Philips Lumileds Lighting Company, Llc Multi-colored LED array with improved brightness profile and color uniformity
JP2005117023A (ja) * 2003-09-19 2005-04-28 Sony Corp バックライト装置及び液晶表示装置
KR20060123800A (ko) 2005-05-30 2006-12-05 엘지.필립스 엘시디 주식회사 액정표시장치용 백라이트 유닛
TW200719026A (en) * 2005-11-10 2007-05-16 Chi Lin Technology Co Ltd LED array

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9890930B2 (en) 2012-06-04 2018-02-13 Lextar Electronics Corporation Light source module

Also Published As

Publication number Publication date
KR100780198B1 (ko) 2007-11-27
JP2010245052A (ja) 2010-10-28
NL2000128C2 (nl) 2011-01-12
JP2007027731A (ja) 2007-02-01
NL2000128A1 (nl) 2007-01-12
CN1896840A (zh) 2007-01-17
US7387421B2 (en) 2008-06-17
KR20070007584A (ko) 2007-01-16
TW200710506A (en) 2007-03-16
JP5063042B2 (ja) 2012-10-31
US20070008740A1 (en) 2007-01-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees