NL2000631A1 - Lichtemitterende-diode-tegenlichteenheid. - Google Patents

Lichtemitterende-diode-tegenlichteenheid.

Info

Publication number
NL2000631A1
NL2000631A1 NL2000631A NL2000631A NL2000631A1 NL 2000631 A1 NL2000631 A1 NL 2000631A1 NL 2000631 A NL2000631 A NL 2000631A NL 2000631 A NL2000631 A NL 2000631A NL 2000631 A1 NL2000631 A1 NL 2000631A1
Authority
NL
Netherlands
Prior art keywords
light
emitting diode
backlight unit
diode backlight
unit
Prior art date
Application number
NL2000631A
Other languages
English (en)
Other versions
NL2000631C2 (nl
Inventor
Chang Hoon Baek
Sang Yun 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 NL2000631A1 publication Critical patent/NL2000631A1/nl
Application granted granted Critical
Publication of NL2000631C2 publication Critical patent/NL2000631C2/nl

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
    • 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
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G09G3/3426—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines the different display panel areas being distributed in two dimensions, e.g. matrix
    • 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
    • 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
    • G09G3/3413—Details of control of colour illumination sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Led Devices (AREA)
  • Led Device Packages (AREA)
NL2000631A 2006-05-08 2007-05-07 Lichtemitterende-diode-tegenlichteenheid. NL2000631C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20060041136 2006-05-08
KR1020060041136A KR20070108736A (ko) 2006-05-08 2006-05-08 Ｌｅｄ 백라이트 구동시스템

Publications (2)

Publication Number Publication Date
NL2000631A1 true NL2000631A1 (nl) 2007-11-09
NL2000631C2 NL2000631C2 (nl) 2010-09-16

Family

ID=38661016

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2000631A NL2000631C2 (nl) 2006-05-08 2007-05-07 Lichtemitterende-diode-tegenlichteenheid.

Country Status (5)

Country Link
US (1) US7874715B2 (nl)
JP (1) JP4850122B2 (nl)
KR (1) KR20070108736A (nl)
NL (1) NL2000631C2 (nl)
TW (1) TWI446316B (nl)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101279224B1 (ko) * 2007-02-28 2013-06-26 엘지디스플레이 주식회사 표시 장치
JP4720782B2 (ja) * 2007-05-09 2011-07-13 ソニー株式会社 画像表示装置
US7905618B2 (en) * 2007-07-19 2011-03-15 Samsung Led Co., Ltd. Backlight unit
KR100966374B1 (ko) * 2007-08-27 2010-07-01 삼성엘이디 주식회사 백색 ｌｅｄ를 이용한 면광원 및 이를 구비한 ｌｃｄ백라이트 유닛
TWM334269U (en) * 2007-12-07 2008-06-11 Cooler Master Co Ltd Light-emitting diode (LED) lighting device and lighting module having device
KR101519331B1 (ko) * 2008-02-18 2015-05-13 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 갖는 표시장치
KR100980848B1 (ko) * 2008-02-29 2010-09-10 에이피엘시스템(주) Ｌｅｄ 등명기
US9313842B2 (en) * 2008-04-08 2016-04-12 Ringdale, Inc. LED lighting controller
JP2012513075A (ja) * 2008-11-18 2012-06-07 リンデール インコーポレイテッド Ｌｅｄ照明コントローラ
JP5229736B2 (ja) 2009-02-19 2013-07-03 株式会社ジャパンディスプレイイースト 液晶表示装置
JP2010212163A (ja) * 2009-03-11 2010-09-24 Hiroshi Sasaki 発光素子を使用した照明器具
JP5273379B2 (ja) * 2009-03-27 2013-08-28 株式会社ジャパンディスプレイ 液晶表示装置
KR101552730B1 (ko) * 2009-05-22 2015-09-11 엘지디스플레이 주식회사 액정표시장치
TWI400986B (zh) 2009-08-05 2013-07-01 Chunghwa Picture Tubes Ltd 發光二極體的驅動電路
KR20110038190A (ko) * 2009-10-07 2011-04-14 삼성엘이디 주식회사 백라이트 유닛
CN102147075B (zh) * 2010-02-05 2013-09-25 台达电子工业股份有限公司 发光二极管背光模块及其背光驱动模块
KR20120016494A (ko) * 2010-08-16 2012-02-24 삼성전자주식회사 공용 전원공급장치 및 공용 전원공급방법, 그리고 이를 이용한 디스플레이 장치
KR200458140Y1 (ko) 2010-11-08 2012-01-20 루미리치 주식회사 발광다이오드 램프용 베이스 세트, 발광다이오드 램프용 소켓 세트, 및 이들을 이용한 등기구
US9840185B2 (en) 2013-07-30 2017-12-12 Uusi, Llc Vehicle accessory control arrangement
US9538589B2 (en) * 2013-07-30 2017-01-03 Uusi, Llc Vehicle accessory control arrangement
KR102381317B1 (ko) * 2014-10-30 2022-04-01 삼성디스플레이 주식회사 백라이트 유닛
US9974125B2 (en) * 2015-07-17 2018-05-15 Cooper Technologies Company Modular integrated lighting circuit
CN107219679A (zh) * 2017-05-22 2017-09-29 深圳市英唐光显技术有限公司 一种led液晶显示器的背光模组
CN110010083B (zh) * 2019-03-14 2021-01-05 苏州佳世达电通有限公司 显示装置
CN111276103B (zh) * 2020-03-26 2021-05-11 京东方科技集团股份有限公司 一种背光模组、其驱动方法、显示模组及显示装置
CN112992081B (zh) * 2021-03-08 2023-04-25 京东方科技集团股份有限公司 一种背光板、显示面板及背光板的控制方法
US11810499B2 (en) * 2022-01-28 2023-11-07 Prilit Optronics, Inc. Micro-light-emitting diode display panel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002100486A (ja) * 2000-09-26 2002-04-05 Olympus Optical Co Ltd 照明装置の調整方法、照明装置の調整システム、照明装置調整用治具
US6888529B2 (en) 2000-12-12 2005-05-03 Koninklijke Philips Electronics N.V. Control and drive circuit arrangement for illumination performance enhancement with LED light sources
JP4299622B2 (ja) 2003-09-24 2009-07-22 Ｎｅｃ液晶テクノロジー株式会社 液晶表示装置及び該液晶表示装置に用いられる駆動方法
JP2005310751A (ja) * 2004-03-24 2005-11-04 Matsushita Electric Ind Co Ltd 照明装置
KR101157225B1 (ko) 2004-05-27 2012-06-15 엘지디스플레이 주식회사 액정표시장치 및 그 구동방법
KR100536205B1 (ko) 2004-06-03 2005-12-12 삼성에스디아이 주식회사 액정 표시 장치 및 그 구동 방법
JP4586440B2 (ja) * 2004-07-12 2010-11-24 ソニー株式会社 バックライト駆動装置及び駆動方法
JP2006154025A (ja) * 2004-11-26 2006-06-15 Seiko Epson Corp 画像表示装置
JP4016213B2 (ja) * 2005-05-11 2007-12-05 ソニー株式会社 液晶表示装置及び電子機器

Also Published As

Publication number Publication date
TW200809720A (en) 2008-02-16
JP2007305584A (ja) 2007-11-22
NL2000631C2 (nl) 2010-09-16
US20070258266A1 (en) 2007-11-08
TWI446316B (zh) 2014-07-21
KR20070108736A (ko) 2007-11-13
JP4850122B2 (ja) 2012-01-11
US7874715B2 (en) 2011-01-25

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
SD Assignments of patents

Effective date: 20100521

SD Assignments of patents

Effective date: 20130620