CN101388183B - 液晶显示装置高动态对比度的处理装置和处理方法 - Google Patents
液晶显示装置高动态对比度的处理装置和处理方法 Download PDFInfo
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- CN101388183B CN101388183B CN2007101215532A CN200710121553A CN101388183B CN 101388183 B CN101388183 B CN 101388183B CN 2007101215532 A CN2007101215532 A CN 2007101215532A CN 200710121553 A CN200710121553 A CN 200710121553A CN 101388183 B CN101388183 B CN 101388183B
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- 238000000034 method Methods 0.000 title description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 78
- 238000013507 mapping Methods 0.000 claims abstract description 58
- 239000013078 crystal Substances 0.000 claims description 2
- 238000003672 processing method Methods 0.000 abstract 3
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 230000035800 maturation Effects 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
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- 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
- 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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/066—Adjustment of display parameters for control of contrast
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- 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
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/18—Use of a frame buffer in a display terminal, inclusive of the display panel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101215532A CN101388183B (zh) | 2007-09-10 | 2007-09-10 | 液晶显示装置高动态对比度的处理装置和处理方法 |
US12/126,050 US20090066632A1 (en) | 2007-09-10 | 2008-05-23 | Processing device and processing method for high dynamic constrast of liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101215532A CN101388183B (zh) | 2007-09-10 | 2007-09-10 | 液晶显示装置高动态对比度的处理装置和处理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101388183A CN101388183A (zh) | 2009-03-18 |
CN101388183B true CN101388183B (zh) | 2011-01-05 |
Family
ID=40431341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2007101215532A Expired - Fee Related CN101388183B (zh) | 2007-09-10 | 2007-09-10 | 液晶显示装置高动态对比度的处理装置和处理方法 |
Country Status (2)
Country | Link |
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US (1) | US20090066632A1 (zh) |
CN (1) | CN101388183B (zh) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101295472B (zh) * | 2007-04-24 | 2010-10-06 | 北京京东方光电科技有限公司 | 液晶显示装置高动态对比度的处理装置和处理方法 |
CN101393727B (zh) * | 2007-09-21 | 2011-07-20 | 北京京东方光电科技有限公司 | 液晶显示装置高动态对比度的处理装置和处理方法 |
JP5121647B2 (ja) * | 2008-09-26 | 2013-01-16 | 株式会社東芝 | 画像表示装置及びその方法 |
CN101540154B (zh) * | 2009-04-24 | 2011-02-02 | 福建捷联电子有限公司 | 一种动态降低液晶显示器功率的方法 |
JP5227884B2 (ja) * | 2009-05-19 | 2013-07-03 | 株式会社日立製作所 | 画像表示装置 |
KR101577233B1 (ko) | 2009-10-20 | 2015-12-15 | 엘지디스플레이 주식회사 | 액정 표시장치의 구동장치와 그 구동방법 |
CN101877745B (zh) * | 2010-06-30 | 2014-04-09 | 中兴通讯股份有限公司 | 移动终端节电的系统及方法 |
CN101937634B (zh) * | 2010-09-01 | 2012-07-04 | 青岛海信电器股份有限公司 | 液晶面板的画面调整方法和装置 |
CN102243855B (zh) * | 2011-08-25 | 2012-12-26 | 合肥工业大学 | 一种用于提高液晶显示对比度的背光整体调光方法和装置 |
JP5284444B2 (ja) * | 2011-11-11 | 2013-09-11 | シャープ株式会社 | 映像表示装置およびテレビ受信装置 |
CN103606356A (zh) * | 2013-11-06 | 2014-02-26 | 深圳市华星光电技术有限公司 | 一种液晶显示装置及其背光驱动方法 |
CN105139809B (zh) | 2015-09-01 | 2018-06-12 | 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 |
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 |
CN106028014B (zh) | 2016-05-27 | 2017-12-08 | 京东方科技集团股份有限公司 | 一种校正视频闪烁的方法及设备 |
CN106228936B (zh) | 2016-09-28 | 2019-01-22 | 青岛海信电器股份有限公司 | 背光亮度控制方法、装置及液晶显示设备 |
CN110648634B (zh) * | 2018-06-26 | 2021-04-23 | 青岛海信医疗设备股份有限公司 | 背光亮度确定、调节方法及装置、存储介质和电子设备 |
CN109166541B (zh) * | 2018-09-25 | 2021-03-02 | 深圳市爱协生科技有限公司 | 一种节电且图像不失真的cabc方法 |
KR102576149B1 (ko) * | 2018-10-16 | 2023-09-08 | 삼성전자주식회사 | 디스플레이 장치 및 그 제어 방법 |
CN109473073B (zh) * | 2018-12-03 | 2020-11-24 | 南京中电熊猫液晶显示科技有限公司 | 一种显示装置及其驱动方法 |
CN111415630B (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 |
TWI745038B (zh) * | 2020-08-20 | 2021-11-01 | 瑞鼎科技股份有限公司 | 非等差的脈寬調變調光方法 |
CN113129848B (zh) * | 2021-03-18 | 2023-03-21 | 惠科股份有限公司 | 一种伽马电压调节电路及伽马电路 |
CN114267302B (zh) * | 2021-12-31 | 2022-11-08 | 北京显芯科技有限公司 | 控制方法、调光控制器以及显示设备 |
Citations (4)
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JP2002366121A (ja) * | 2001-06-12 | 2002-12-20 | Matsushita Electric Ind Co Ltd | 映像表示装置および映像表示方法 |
CN1892793A (zh) * | 2005-06-30 | 2007-01-10 | Lg.菲利浦Lcd株式会社 | 液晶显示器件的驱动装置和方法 |
CN1949353A (zh) * | 2005-10-13 | 2007-04-18 | 株式会社瑞萨科技 | 显示驱动电路 |
CN1967643A (zh) * | 2005-11-16 | 2007-05-23 | 三星电子株式会社 | 控制多个光源的亮度值的显示设备和控制该设备的方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100542767B1 (ko) * | 2003-06-05 | 2006-01-20 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 구동방법 및 구동장치 |
US7394448B2 (en) * | 2003-06-20 | 2008-07-01 | Lg. Display Co., Ltd | Method and apparatus for driving liquid crystal display device |
KR100570966B1 (ko) * | 2003-11-17 | 2006-04-14 | 엘지.필립스 엘시디 주식회사 | 액정표시장치의 구동방법 및 구동장치 |
JPWO2006038253A1 (ja) * | 2004-09-30 | 2008-05-15 | 富士通株式会社 | 液晶表示装置 |
US8947465B2 (en) * | 2004-12-02 | 2015-02-03 | Sharp Laboratories Of America, Inc. | Methods and systems for display-mode-dependent brightness preservation |
US8094118B2 (en) * | 2005-03-02 | 2012-01-10 | University Of Southern California | Dynamic backlight scaling for power minimization in a backlit TFT-LCD |
JP2006276677A (ja) * | 2005-03-30 | 2006-10-12 | Toshiba Corp | 表示装置と表示装置の駆動方法 |
JP4432933B2 (ja) * | 2005-07-08 | 2010-03-17 | セイコーエプソン株式会社 | 画像表示装置および画像表示方法 |
TWI348668B (en) * | 2006-01-27 | 2011-09-11 | Au Optronics Corp | Liquid crystal display and driving method thereof |
KR101318081B1 (ko) * | 2006-11-21 | 2013-10-14 | 엘지디스플레이 주식회사 | 액정표시장치와 그 구동방법 |
US20080238856A1 (en) * | 2007-03-29 | 2008-10-02 | Achintva Bhowmik | Using spatial distribution of pixel values when determining adjustments to be made to image luminance and backlight |
CN101295472B (zh) * | 2007-04-24 | 2010-10-06 | 北京京东方光电科技有限公司 | 液晶显示装置高动态对比度的处理装置和处理方法 |
CN101393727B (zh) * | 2007-09-21 | 2011-07-20 | 北京京东方光电科技有限公司 | 液晶显示装置高动态对比度的处理装置和处理方法 |
-
2007
- 2007-09-10 CN CN2007101215532A patent/CN101388183B/zh not_active Expired - Fee Related
-
2008
- 2008-05-23 US US12/126,050 patent/US20090066632A1/en not_active Abandoned
Patent Citations (4)
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JP2002366121A (ja) * | 2001-06-12 | 2002-12-20 | Matsushita Electric Ind Co Ltd | 映像表示装置および映像表示方法 |
CN1892793A (zh) * | 2005-06-30 | 2007-01-10 | Lg.菲利浦Lcd株式会社 | 液晶显示器件的驱动装置和方法 |
CN1949353A (zh) * | 2005-10-13 | 2007-04-18 | 株式会社瑞萨科技 | 显示驱动电路 |
CN1967643A (zh) * | 2005-11-16 | 2007-05-23 | 三星电子株式会社 | 控制多个光源的亮度值的显示设备和控制该设备的方法 |
Non-Patent Citations (1)
Title |
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魏志勇.TFT液晶模块驱动电路设计.中国优秀博硕士学位论文全文数据库 (硕士) 信息科技辑.2006,(2006年第12期),15-23. * |
Also Published As
Publication number | Publication date |
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US20090066632A1 (en) | 2009-03-12 |
CN101388183A (zh) | 2009-03-18 |
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