WO2011043603A3 - 백라이트 유닛 - Google Patents

백라이트 유닛 Download PDF

Info

Publication number
WO2011043603A3
WO2011043603A3 PCT/KR2010/006855 KR2010006855W WO2011043603A3 WO 2011043603 A3 WO2011043603 A3 WO 2011043603A3 KR 2010006855 W KR2010006855 W KR 2010006855W WO 2011043603 A3 WO2011043603 A3 WO 2011043603A3
Authority
WO
WIPO (PCT)
Prior art keywords
backlight unit
led modules
leds
driver
drivers
Prior art date
Application number
PCT/KR2010/006855
Other languages
English (en)
French (fr)
Other versions
WO2011043603A2 (ko
Inventor
안지영
신재홍
Original Assignee
삼성엘이디 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 삼성엘이디 주식회사 filed Critical 삼성엘이디 주식회사
Priority to EP10822248A priority Critical patent/EP2487534A2/en
Priority to CN2010800451951A priority patent/CN102549484A/zh
Priority to US13/501,059 priority patent/US20130009558A1/en
Publication of WO2011043603A2 publication Critical patent/WO2011043603A2/ko
Publication of WO2011043603A3 publication Critical patent/WO2011043603A3/ko

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Planar Illumination Modules (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

백라이트 유닛이 개시된다. 본 발명에 따른 백라이트 유닛은 각각 복수의 LED를 구비하는 복수의 LED 모듈; 및 상기 복수의 LED 모듈에 구비되는 복수의 LED의 밝기를 조절하는 하나 이상의 구동 드라이버;를 포함하고, 상기 복수의 LED 모듈 중 적어도 2개는 서로 동일한 상기 구동 드라이버와 연결되되, 서로 병렬연결을 이루는 것을 특징으로 한다.
PCT/KR2010/006855 2009-10-07 2010-10-07 백라이트 유닛 WO2011043603A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10822248A EP2487534A2 (en) 2009-10-07 2010-10-07 Backlight unit
CN2010800451951A CN102549484A (zh) 2009-10-07 2010-10-07 背光单元
US13/501,059 US20130009558A1 (en) 2009-10-07 2010-10-07 Backlight unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020090094957A KR20110038190A (ko) 2009-10-07 2009-10-07 백라이트 유닛
KR10-2009-0094957 2009-10-07

Publications (2)

Publication Number Publication Date
WO2011043603A2 WO2011043603A2 (ko) 2011-04-14
WO2011043603A3 true WO2011043603A3 (ko) 2011-09-09

Family

ID=43857285

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2010/006855 WO2011043603A2 (ko) 2009-10-07 2010-10-07 백라이트 유닛

Country Status (5)

Country Link
US (1) US20130009558A1 (ko)
EP (1) EP2487534A2 (ko)
KR (1) KR20110038190A (ko)
CN (1) CN102549484A (ko)
WO (1) WO2011043603A2 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889500A (zh) * 2011-07-19 2013-01-23 硕颉科技股份有限公司 背光模块与使用其的液晶显示器
US9247095B2 (en) * 2012-12-19 2016-01-26 Canon Components, Inc. Image sensor unit, image reading apparatus, and image forming apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006119268A (ja) * 2004-10-20 2006-05-11 Nec Display Solutions Ltd バックライト調整システム、プログラム及び記録媒体
JP2007027745A (ja) * 2005-07-15 2007-02-01 Samsung Electro Mech Co Ltd Ｌｅｄを用いた面光源及びこれを備えるｌｃｄバックライトユニット
JP2007233012A (ja) * 2006-02-28 2007-09-13 Yamaha Corp 電気光学装置
JP2007305584A (ja) * 2006-05-08 2007-11-22 Samsung Electro-Mechanics Co Ltd Ｌｅｄバックライトユニット

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3935045B2 (ja) * 2002-10-18 2007-06-20 シャープ株式会社 照明装置、バックライト装置、液晶表示装置
JP4722136B2 (ja) * 2005-11-30 2011-07-13 シャープ株式会社 バックライト装置及び液晶表示装置
JP4961837B2 (ja) * 2006-06-01 2012-06-27 ソニー株式会社 発光ダイオード素子の駆動装置、光源装置、表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006119268A (ja) * 2004-10-20 2006-05-11 Nec Display Solutions Ltd バックライト調整システム、プログラム及び記録媒体
JP2007027745A (ja) * 2005-07-15 2007-02-01 Samsung Electro Mech Co Ltd Ｌｅｄを用いた面光源及びこれを備えるｌｃｄバックライトユニット
JP2007233012A (ja) * 2006-02-28 2007-09-13 Yamaha Corp 電気光学装置
JP2007305584A (ja) * 2006-05-08 2007-11-22 Samsung Electro-Mechanics Co Ltd Ｌｅｄバックライトユニット

Also Published As

Publication number Publication date
KR20110038190A (ko) 2011-04-14
EP2487534A2 (en) 2012-08-15
WO2011043603A2 (ko) 2011-04-14
CN102549484A (zh) 2012-07-04
US20130009558A1 (en) 2013-01-10

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