TWI375082B - Surface light source device and liquid crystal display unit - Google Patents

Surface light source device and liquid crystal display unit Download PDF

Info

Publication number
TWI375082B
TWI375082B TW096121023A TW96121023A TWI375082B TW I375082 B TWI375082 B TW I375082B TW 096121023 A TW096121023 A TW 096121023A TW 96121023 A TW96121023 A TW 96121023A TW I375082 B TWI375082 B TW I375082B
Authority
TW
Taiwan
Prior art keywords
light source
light
units
emitting element
surface light
Prior art date
Application number
TW096121023A
Other languages
English (en)
Chinese (zh)
Other versions
TW200811547A (en
Inventor
Tomio Aoki
Masatake Hayashi
Shozo Masuda
Tadashi Morimoto
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of TW200811547A publication Critical patent/TW200811547A/zh
Application granted granted Critical
Publication of TWI375082B publication Critical patent/TWI375082B/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
    • 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
    • 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
    • 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
    • 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
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • 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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/064—Adjustment of display parameters for control of overall brightness by time modulation of the brightness of the illumination source
    • 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
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • 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
    • 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
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • 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
    • G09G3/36—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 using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
TW096121023A 2006-06-21 2007-06-11 Surface light source device and liquid crystal display unit TWI375082B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006171379A JP4857945B2 (ja) 2006-06-21 2006-06-21 面状光源装置及び液晶表示装置組立体

Publications (2)

Publication Number Publication Date
TW200811547A TW200811547A (en) 2008-03-01
TWI375082B true TWI375082B (en) 2012-10-21

Family

ID=38541995

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096121023A TWI375082B (en) 2006-06-21 2007-06-11 Surface light source device and liquid crystal display unit

Country Status (6)

Country Link
US (3) US7658529B2 (enExample)
EP (2) EP1873578B1 (enExample)
JP (1) JP4857945B2 (enExample)
KR (1) KR101425956B1 (enExample)
CN (1) CN100541293C (enExample)
TW (1) TWI375082B (enExample)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007206282A (ja) * 2006-01-31 2007-08-16 Toshiba Corp 情報処理装置、及び輝度制御方法
JP4857945B2 (ja) * 2006-06-21 2012-01-18 ソニー株式会社 面状光源装置及び液晶表示装置組立体
JP2008020532A (ja) * 2006-07-11 2008-01-31 Fujifilm Corp 光学機能性シート及び表示装置
US8226261B2 (en) * 2006-09-20 2012-07-24 Sharp Kabushiki Kaisha Illumination device, backlight device used for liquid crystal display apparatus and liquid crystal display apparatus
US9374876B2 (en) * 2007-08-24 2016-06-21 Martin A. Alpert Multi-chip light emitting diode light device
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
DE102008038857A1 (de) * 2008-03-31 2009-10-01 Osram Opto Semiconductors Gmbh Beleuchtungseinrichtung
WO2009151842A2 (en) * 2008-06-13 2009-12-17 3M Innovative Properties Company Illumination device with progressive injection
CN102089702B (zh) * 2008-06-13 2014-05-14 3M创新有限公司 准直光引擎
TWI401643B (zh) * 2008-08-08 2013-07-11 Intelligent color liquid crystal display device and method using column and multicolor backlighting
KR101359674B1 (ko) * 2008-08-14 2014-02-07 삼성전자주식회사 면 광원 장치 및 이를 구비하는 백라이트 유닛
JP5368751B2 (ja) * 2008-08-28 2013-12-18 株式会社ジャパンディスプレイ 液晶表示装置用バックライト及びそれを用いた液晶表示装置
US20120224107A1 (en) * 2009-07-31 2012-09-06 Sharp Kabushiki Kaisha Backlight device, display device and television receiver
CN102192438A (zh) * 2010-03-03 2011-09-21 奇美电子股份有限公司 背光模块及应用其的平面显示装置
CN101846830B (zh) * 2010-03-19 2012-08-22 华映光电股份有限公司 液晶显示器色偏的改善方法
US20110241558A1 (en) * 2010-03-31 2011-10-06 Semiconductor Energy Laboratory Co., Ltd. Light-Emitting Device and Driving Method Thereof
JP2011227200A (ja) * 2010-04-16 2011-11-10 Sony Corp 液晶表示装置
JP5950520B2 (ja) * 2011-09-05 2016-07-13 キヤノン株式会社 光源装置
JP6071242B2 (ja) * 2012-04-27 2017-02-01 キヤノン株式会社 撮像装置および表示制御方法
US20150179716A1 (en) * 2012-07-19 2015-06-25 Pioneer Corporation Surface light-emitting device
WO2014031655A1 (en) * 2012-08-20 2014-02-27 Frattalone John Modular video and lighting displays
JP6039337B2 (ja) * 2012-09-28 2016-12-07 キヤノン株式会社 表示装置及びその制御方法
JP2014222575A (ja) 2013-05-13 2014-11-27 キヤノン株式会社 光源装置
JP2015197607A (ja) * 2014-04-01 2015-11-09 キヤノン株式会社 表示装置及びその制御方法
CN104019404A (zh) * 2014-05-23 2014-09-03 深圳市华星光电技术有限公司 背光模组、显示装置及其驱动方法
JP6091559B2 (ja) 2014-10-20 2017-03-08 キヤノン株式会社 光源装置及び画像表示装置
JP6611036B2 (ja) * 2015-09-10 2019-11-27 パナソニックＩｐマネジメント株式会社 発光装置及び照明用光源
US10366674B1 (en) * 2016-12-27 2019-07-30 Facebook Technologies, Llc Display calibration in electronic displays
KR102502205B1 (ko) * 2018-04-27 2023-02-22 삼성디스플레이 주식회사 열화 보상 장치, 이를 포함하는 표시 장치 및 표시 장치의 영상 데이터 보상 방법
CN109036295B (zh) * 2018-08-09 2020-10-30 京东方科技集团股份有限公司 图像显示处理方法及装置、显示装置及存储介质
CN109547692B (zh) * 2018-10-26 2021-12-14 华为技术有限公司 图像姿态矫正方法、设备及终端
JP7080394B2 (ja) * 2019-03-18 2022-06-03 三菱電機株式会社 表示制御装置、画像表示装置及び表示制御方法、並びにプログラム及び記録媒体
US10964275B2 (en) 2019-04-18 2021-03-30 Apple Inc. Displays with adjustable direct-lit backlight units and adaptive processing
US10504453B1 (en) 2019-04-18 2019-12-10 Apple Inc. Displays with adjustable direct-lit backlight units
US10571744B1 (en) 2019-04-18 2020-02-25 Apple Inc. Displays with adjustable direct-lit backlight units and power consumption compensation
KR102652767B1 (ko) * 2019-09-19 2024-04-01 라디안트 옵토-엘렉트로닉스(쑤저우) 컴퍼니 리미티드 광원 구조체, 백라이트 모듈 및 표시 장치
KR102801929B1 (ko) * 2020-05-19 2025-05-07 삼성디스플레이 주식회사 표시 장치 및 휘도 프로파일 측정 방법
US11442312B2 (en) * 2020-05-22 2022-09-13 Apple Inc. Electronic device display with a backlight having light-emitting diodes and driver integrated circuits in an active area
CN111816114B (zh) * 2020-08-17 2023-09-29 京东方科技集团股份有限公司 显示面板调光装置及调光方法、显示面板及其驱动方法
CN115327812A (zh) * 2021-05-11 2022-11-11 行家光电股份有限公司 全阵列发光二极管曲面灯板、曲面背光模组及曲面液晶显示器
US12044922B2 (en) 2021-05-11 2024-07-23 Maven Optronics Co., Ltd. Curved full-array LED light panel, curved backlight module and curved LCD
US11967291B1 (en) 2022-08-02 2024-04-23 Apple Inc. Using content type to select brightness in direct-lit backlight units

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08320213A (ja) 1995-05-25 1996-12-03 Hitachi Zosen Corp 被測定物の外形測定装置
JP3420399B2 (ja) * 1995-07-28 2003-06-23 キヤノン株式会社 発光素子
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
US6431719B1 (en) * 2000-09-22 2002-08-13 Sharper Image Corporation Dynamic display night light
JP2002374004A (ja) 2001-06-14 2002-12-26 Nitto Kogaku Kk Ｌｅｄアレイパネルおよび照明装置
JP3850241B2 (ja) * 2001-07-19 2006-11-29 シャープ株式会社 照明装置およびそれを用いた液晶表示装置
CN1643565A (zh) * 2002-03-13 2005-07-20 不列颠哥伦比亚大学 高动态范围显示装置
JP4366920B2 (ja) * 2002-11-07 2009-11-18 ソニー株式会社 平面型表示装置及びその製造方法
JP2004191490A (ja) 2002-12-09 2004-07-08 Hitachi Displays Ltd 液晶表示装置
US7320531B2 (en) 2003-03-28 2008-01-22 Philips Lumileds Lighting Company, Llc Multi-colored LED array with improved brightness profile and color uniformity
KR100852579B1 (ko) * 2003-03-31 2008-08-14 샤프 가부시키가이샤 면 조명 장치 및 그것을 이용한 액정 표시 장치
KR100476563B1 (ko) * 2003-06-02 2005-03-18 삼성전기주식회사 디스플레이용 라이트 유닛
KR100574366B1 (ko) * 2003-12-08 2006-04-27 엘지.필립스 엘시디 주식회사 액정표시모듈
US7270461B2 (en) 2004-02-02 2007-09-18 Au Optronics Corp. Backlight unit and liquid crystal display utilizing the same
JP4628770B2 (ja) * 2004-02-09 2011-02-09 株式会社日立製作所 照明装置を備えた画像表示装置及び画像表示方法
JP4305850B2 (ja) * 2004-05-24 2009-07-29 株式会社 日立ディスプレイズ バックライト装置及び表示装置
JP4172455B2 (ja) 2004-10-08 2008-10-29 ソニー株式会社 バックライト用光源ユニット、液晶表示用バックライト装置及び透過型カラー液晶表示装置
DE102006002275A1 (de) 2005-01-19 2006-07-20 Osram Opto Semiconductors Gmbh Beleuchtungseinrichtung
JP4650085B2 (ja) * 2005-04-27 2011-03-16 ソニー株式会社 バックライト装置及び液晶表示装置
FR2886442B1 (fr) * 2005-05-31 2012-10-26 Lg Philips Lcd Co Ltd Ensemble de retroeclairage pour dispositif d'affichage a cristaux liquides et dispositif d'affichage utilisant celui-ci
US7438442B2 (en) * 2005-10-12 2008-10-21 Lg Display Co., Ltd. Light emitting package, backlight unit and liquid crystal display device including the same
US20070200121A1 (en) 2006-02-24 2007-08-30 Lumileds Lighting U.S., Llc Multi-colored LED array with improved color uniformity
TWI352862B (en) 2006-06-16 2011-11-21 Au Optronics Corp Light source
JP4857945B2 (ja) 2006-06-21 2012-01-18 ソニー株式会社 面状光源装置及び液晶表示装置組立体
US20080101086A1 (en) * 2006-10-26 2008-05-01 K Laser Technology, Inc. Led backlight with bare chip led
JP5050498B2 (ja) * 2006-11-21 2012-10-17 ソニー株式会社 光源装置、バックライト装置、液晶表示装置及びバックライト装置の製造方法

Also Published As

Publication number Publication date
US7658529B2 (en) 2010-02-09
EP2264520A2 (en) 2010-12-22
US20100033649A1 (en) 2010-02-11
US10923050B2 (en) 2021-02-16
CN100541293C (zh) 2009-09-16
JP2008003220A (ja) 2008-01-10
EP1873578A1 (en) 2008-01-02
EP2264520A3 (en) 2012-05-09
EP2264520B1 (en) 2015-05-20
JP4857945B2 (ja) 2012-01-18
TW200811547A (en) 2008-03-01
CN101093319A (zh) 2007-12-26
KR101425956B1 (ko) 2014-07-31
US20200234661A1 (en) 2020-07-23
US10650756B2 (en) 2020-05-12
EP1873578B1 (en) 2018-05-23
US20080123022A1 (en) 2008-05-29
KR20070121528A (ko) 2007-12-27

Similar Documents

Publication Publication Date Title
TWI375082B (en) Surface light source device and liquid crystal display unit
TWI393100B (zh) Display device and driving method thereof
US8723785B2 (en) Liquid crystal display and driving method of liquid crystal display
CN101529491B (zh) 视频和内容控制的背光
US7986294B2 (en) Method of adjusting a pulse-width modulation clock
JP2008003220A5 (enExample)
JP2007052105A (ja) 表示装置
CN113362743B (zh) 显示装置
JP2008122499A (ja) 面状光源装置及び液晶表示装置組立体
CN101082736A (zh) 显示装置及其驱动方法
JP2008123847A (ja) 面状光源装置及び液晶表示装置組立体
JP2009021037A (ja) 面状光源装置及び液晶表示装置組立体
JP2008140653A (ja) 面状光源装置及び液晶表示装置組立体
JP5162885B2 (ja) 面状光源装置及び液晶表示装置組立体
JP2008153014A (ja) 面状光源装置、液晶表示装置組立体、発光素子組立体、及び、発光素子・光センサー組立体
JP2007324046A (ja) 面状光源装置
JP2008059889A (ja) 面状光源装置

Legal Events

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