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 PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- brightness
- regional area
- typical value
- mean
- lcd
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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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
-
- 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
-
- 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
-
- 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
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 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101086573A CN101086573A (zh) | 2007-12-12 |
CN100565290C true CN100565290C (zh) | 2009-12-02 |
Family
ID=38937620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2007100070678A Expired - Fee Related CN100565290C (zh) | 2006-06-09 | 2007-02-08 | 液晶显示器和调节液晶显示器亮度的方法 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100831369B1 (ko) |
CN (1) | CN100565290C (ko) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
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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)
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 |
-
2006
- 2006-06-09 KR KR1020060051999A patent/KR100831369B1/ko not_active IP Right Cessation
-
2007
- 2007-02-08 CN CNB2007100070678A patent/CN100565290C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20070117847A (ko) | 2007-12-13 |
CN101086573A (zh) | 2007-12-12 |
KR100831369B1 (ko) | 2008-05-21 |
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SE01 | Entry into force of request for substantive examination | ||
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20091202 Termination date: 20170208 |