CN100565290C - 液晶显示器和调节液晶显示器亮度的方法 - Google Patents

液晶显示器和调节液晶显示器亮度的方法 Download PDF

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Publication number
CN100565290C
CN100565290C CNB2007100070678A CN200710007067A CN100565290C CN 100565290 C CN100565290 C CN 100565290C CN B2007100070678 A CNB2007100070678 A CN B2007100070678A CN 200710007067 A CN200710007067 A CN 200710007067A CN 100565290 C CN100565290 C CN 100565290C
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CN
China
Prior art keywords
brightness
regional area
typical value
mean
lcd
Prior art date
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Expired - Fee Related
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CNB2007100070678A
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English (en)
Chinese (zh)
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CN101086573A (zh
Inventor
郑俊镐
陈韩锋
洪昌完
朴永浚
成埈豪
催勋
成基范
金炯来
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication date
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Publication of CN101086573A publication Critical patent/CN101086573A/zh
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Expired - Fee Related legal-status Critical Current
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • G09G3/3406Control of illumination source
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/16Calculation or use of calculated indices related to luminance levels in display data
CNB2007100070678A 2006-06-09 2007-02-08 液晶显示器和调节液晶显示器亮度的方法 Expired - Fee Related CN100565290C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020060051999A KR100831369B1 (ko) 2006-06-09 2006-06-09 표시장치용 백라이트장치 및 그 밝기조절방법
KR1020060051999 2006-06-09
KR1020060077771 2006-08-17

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Publication Number Publication Date
CN101086573A CN101086573A (zh) 2007-12-12
CN100565290C true CN100565290C (zh) 2009-12-02

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KR (1) KR100831369B1 (ko)
CN (1) CN100565290C (ko)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2443072C1 (ru) 2008-01-09 2012-02-20 Долби Лэборетериз Лайсенсинг Корпорейшн Подавление блика lcd
US8493313B2 (en) 2008-02-13 2013-07-23 Dolby Laboratories Licensing Corporation Temporal filtering of video signals
JP5217586B2 (ja) * 2008-04-11 2013-06-19 ソニー株式会社 表示制御装置および方法、並びにプログラム
JP2009267475A (ja) * 2008-04-22 2009-11-12 Sony Corp 表示制御装置および方法、並びにプログラム
KR101501642B1 (ko) * 2008-09-22 2015-03-12 삼성디스플레이 주식회사 광원블록들의 구동방법, 이를 수행하기 위한 콘트롤러 보드및 이를 갖는 표시장치
KR101222991B1 (ko) * 2008-05-02 2013-01-17 엘지디스플레이 주식회사 백라이트 구동회로 및 이의 구동방법
US8102360B2 (en) * 2008-05-07 2012-01-24 Solomon Systech Limited Methods and apparatus of dynamic backlight control
KR101451310B1 (ko) 2008-07-14 2014-10-23 삼성디스플레이 주식회사 광원 디밍 방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 갖는 액정표시장치
KR101512047B1 (ko) 2008-08-13 2015-04-16 삼성디스플레이 주식회사 광원 로컬 구동 방법, 이를 수행하기 위한 광원 장치 및 이광원 장치를 포함하는 표시 장치
US8103120B2 (en) * 2008-09-22 2012-01-24 Solomon Systech Limited Method and apparatus of local contrast enhancement
KR101494212B1 (ko) * 2008-10-29 2015-02-23 삼성디스플레이 주식회사 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 갖는 표시 장치
KR101539575B1 (ko) 2009-01-28 2015-07-31 삼성디스플레이 주식회사 광원 구동 방법, 이를 수행하기 위한 광원 장치 및 이 광원장치를 포함하는 표시 장치
KR101605157B1 (ko) * 2009-03-24 2016-03-22 삼성디스플레이 주식회사 표시 장치 구동 방법
KR101556735B1 (ko) 2009-03-25 2015-10-05 삼성디스플레이 주식회사 표시장치 및 표시장치의 구동 방법
KR101801306B1 (ko) * 2009-05-20 2017-11-24 마벨 월드 트레이드 리미티드 액정 디스플레이 백라이트 제어
CN101578002B (zh) * 2009-06-05 2012-10-24 彩虹集团公司 一种发光二极管led背光源亮度补偿方法
KR20110024524A (ko) * 2009-09-02 2011-03-09 삼성전자주식회사 백라이트 유닛, 디스플레이 장치 및 백라이트 유닛 제어 방법
KR101341020B1 (ko) * 2009-12-11 2013-12-13 엘지디스플레이 주식회사 액정 표시 장치의 로컬 디밍 구동 방법 및 장치
CN101814279B (zh) * 2010-04-27 2012-10-03 上海易维视科技有限公司 动态背光液晶显示系统及方法
KR101689363B1 (ko) * 2010-05-12 2017-01-03 삼성디스플레이 주식회사 표시 장치
CN102568386B (zh) * 2010-12-29 2015-08-19 上海易维视科技有限公司 动态背光局部控制液晶显示方法及系统
CN102237046A (zh) * 2011-07-25 2011-11-09 青岛海信电器股份有限公司 背光照明装置、显示装置和背光照明方法
KR101954797B1 (ko) * 2012-05-30 2019-03-06 삼성전자주식회사 디스플레이 방법 및 그 전자 장치
CN103295553B (zh) * 2013-06-26 2015-02-18 青岛海信信芯科技有限公司 直下式背光的亮度补偿方法及显示装置
JP6023349B2 (ja) * 2013-11-12 2016-11-09 富士フイルム株式会社 表示装置及びその制御方法
CN104050934B (zh) 2014-05-28 2016-03-23 京东方科技集团股份有限公司 背光调节方法、背光调节系统和显示装置
CN104200787B (zh) * 2014-09-15 2016-10-05 联想(北京)有限公司 一种亮度调节方法、装置及电子设备
CN105185328B (zh) 2015-09-01 2018-01-09 青岛海信电器股份有限公司 液晶显示亮度控制方法和装置以及液晶显示设备
CN105185327B (zh) 2015-09-01 2018-02-06 青岛海信电器股份有限公司 液晶显示亮度控制方法和装置以及液晶显示设备
CN105161064B (zh) * 2015-09-17 2018-06-26 青岛海信电器股份有限公司 液晶显示亮度控制方法和装置以及液晶显示设备
CN105118474B (zh) 2015-10-16 2017-11-07 青岛海信电器股份有限公司 液晶显示亮度控制方法和装置以及液晶显示设备
CN105185353B (zh) 2015-10-16 2018-05-18 青岛海信电器股份有限公司 液晶显示亮度控制方法和装置以及液晶显示设备
KR102446666B1 (ko) * 2015-10-23 2022-09-26 삼성디스플레이 주식회사 백라이트 유닛 및 그것을 포함하는 표시 장치
EP3407341A4 (en) * 2016-01-18 2018-12-12 Sharp Kabushiki Kaisha Display device, display method, control program, recording medium, and television receiver
CN106057134A (zh) * 2016-05-25 2016-10-26 武汉华星光电技术有限公司 液晶显示器的背光控制方法及背光控制装置、液晶显示器
CN106328071B (zh) * 2016-10-14 2018-09-11 京东方科技集团股份有限公司 一种液晶显示器的局部背光调光方法及液晶显示器
US10504452B2 (en) * 2018-03-12 2019-12-10 Apple Inc. Pixel contrast control systems and methods
CN109166551A (zh) * 2018-10-12 2019-01-08 中航华东光电有限公司 基于fpga的视频图像对比度适应性调节方法
CN109119033B (zh) * 2018-10-17 2021-04-09 深圳Tcl新技术有限公司 背光补偿方法、设备、系统及存储介质
CN110400544A (zh) * 2019-08-05 2019-11-01 业成科技(成都)有限公司 讯号处理方法及显示装置
US11113818B1 (en) * 2020-02-25 2021-09-07 Himax Technologies Limited Timing controller and operating method thereof
CN111415629B (zh) * 2020-04-28 2022-02-22 Tcl华星光电技术有限公司 一种显示设备驱动方法、显示设备
CN112927656A (zh) * 2021-01-28 2021-06-08 武汉海微科技有限公司 一种基于fpga的屏幕背光控制方法及系统
CN114420059B (zh) * 2021-12-31 2023-12-12 海宁奕斯伟集成电路设计有限公司 背光控制方法、装置及显示设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100619627B1 (ko) * 2004-05-27 2006-09-08 엘지.필립스 엘시디 주식회사 액정표시장치의 휘도 제어 장치 및 방법
KR101097584B1 (ko) * 2004-11-25 2011-12-22 엘지디스플레이 주식회사 액정표시장치의 휘도제어 장치 및 방법

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KR20070117847A (ko) 2007-12-13
CN101086573A (zh) 2007-12-12
KR100831369B1 (ko) 2008-05-21

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