CN101295084B - 用于面板检测的背光源亮度自动调节系统及方法 - Google Patents
用于面板检测的背光源亮度自动调节系统及方法 Download PDFInfo
- Publication number
- CN101295084B CN101295084B CN2007100987051A CN200710098705A CN101295084B CN 101295084 B CN101295084 B CN 101295084B CN 2007100987051 A CN2007100987051 A CN 2007100987051A CN 200710098705 A CN200710098705 A CN 200710098705A CN 101295084 B CN101295084 B CN 101295084B
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- China
- Prior art keywords
- backlight
- light source
- back light
- signal
- source brightness
- Prior art date
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- 238000004891 communication Methods 0.000 claims description 4
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- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 230000001131 transforming effect Effects 0.000 abstract 2
- 238000012360 testing method Methods 0.000 description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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Images
Classifications
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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
- G09G2320/04—Maintaining the quality of display appearance
- G09G2320/043—Preventing or counteracting the effects of ageing
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
Description
Claims (14)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100987051A CN101295084B (zh) | 2007-04-25 | 2007-04-25 | 用于面板检测的背光源亮度自动调节系统及方法 |
US12/045,815 US8451210B2 (en) | 2007-04-25 | 2008-03-11 | System and method for automatically adjusting luminance of backlight source |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007100987051A CN101295084B (zh) | 2007-04-25 | 2007-04-25 | 用于面板检测的背光源亮度自动调节系统及方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101295084A CN101295084A (zh) | 2008-10-29 |
CN101295084B true CN101295084B (zh) | 2012-02-29 |
Family
ID=39886353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007100987051A Expired - Fee Related CN101295084B (zh) | 2007-04-25 | 2007-04-25 | 用于面板检测的背光源亮度自动调节系统及方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8451210B2 (zh) |
CN (1) | CN101295084B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110063341A1 (en) * | 2009-09-15 | 2011-03-17 | Wendell Knicely | Method and system for correction, measurement and display of images |
JP5740132B2 (ja) * | 2009-10-26 | 2015-06-24 | 株式会社半導体エネルギー研究所 | 表示装置及び半導体装置 |
US8952980B2 (en) | 2010-08-09 | 2015-02-10 | Gsi Group, Inc. | Electronic color and luminance modification |
CN102930825A (zh) * | 2011-08-08 | 2013-02-13 | 中兴通讯股份有限公司 | 一种背光电路、控制背光电路的电压的方法及终端 |
CN102654967B (zh) * | 2011-11-21 | 2015-01-07 | 京东方科技集团股份有限公司 | 自动侦测供电异常的装置、驱动电路及显示器件 |
CN103179271B (zh) * | 2013-02-28 | 2018-02-23 | 努比亚技术有限公司 | 移动终端屏幕亮度调节防误操作的方法和装置 |
CN104200782B (zh) * | 2014-09-10 | 2016-08-17 | 中航华东光电有限公司 | 一种稳定液晶显示器背光高亮度的方法 |
CN105137886B (zh) * | 2015-09-21 | 2019-10-11 | Tcl移动通信科技(宁波)有限公司 | 一种人机界面控制装置及控制方法 |
CN105222997A (zh) * | 2015-09-29 | 2016-01-06 | 合肥京东方显示光源有限公司 | 一种光源模拟装置、光源测试系统及测试方法 |
CN106205501B (zh) * | 2016-07-12 | 2018-09-11 | 京东方科技集团股份有限公司 | 一种背光模组及显示装置 |
CN106707590A (zh) * | 2017-02-27 | 2017-05-24 | 深圳市华星光电技术有限公司 | 显示面板的过温保护系统及过温保护方法 |
CN109342797A (zh) * | 2018-08-24 | 2019-02-15 | 维沃移动通信有限公司 | 一种背光源检测电路、终端及背光源检测方法 |
CN110136656A (zh) * | 2019-04-24 | 2019-08-16 | 昆山龙腾光电有限公司 | 背光模组及液晶显示装置 |
CN111207825B (zh) * | 2020-01-10 | 2023-02-07 | Oppo(重庆)智能科技有限公司 | 一种能自动校准的电子设备测试装置及测试装置校准方法 |
CN112530376A (zh) * | 2020-12-03 | 2021-03-19 | 惠州Tcl移动通信有限公司 | 显示面板及其背光调节方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1774665A (zh) * | 2003-12-08 | 2006-05-17 | 索尼株式会社 | 液晶显示设备和背光调节方法 |
CN1794044A (zh) * | 2005-12-28 | 2006-06-28 | 南京Lg同创彩色显示系统有限责任公司 | 可自动调节亮度的液晶显示器及其调节方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8040341B2 (en) * | 2004-01-09 | 2011-10-18 | O2Micro Inc | Brightness control system |
US7973759B2 (en) * | 2006-07-06 | 2011-07-05 | Industrial Technology Research Institute | System and method for driving light emitters of backlight module using current mixing |
-
2007
- 2007-04-25 CN CN2007100987051A patent/CN101295084B/zh not_active Expired - Fee Related
-
2008
- 2008-03-11 US US12/045,815 patent/US8451210B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1774665A (zh) * | 2003-12-08 | 2006-05-17 | 索尼株式会社 | 液晶显示设备和背光调节方法 |
CN1794044A (zh) * | 2005-12-28 | 2006-06-28 | 南京Lg同创彩色显示系统有限责任公司 | 可自动调节亮度的液晶显示器及其调节方法 |
Also Published As
Publication number | Publication date |
---|---|
US20080266238A1 (en) | 2008-10-30 |
CN101295084A (zh) | 2008-10-29 |
US8451210B2 (en) | 2013-05-28 |
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ASS | Succession or assignment of patent right |
Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150617 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150617 |
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Effective date of registration: 20150617 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20201203 Address after: 215200 No. 1700, Wujiang economic and Technological Development Zone, Suzhou, Jiangsu, Zhongshan North Road Patentee after: K-TRONICS (SUZHOU) TECHNOLOGY Co.,Ltd. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Address before: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee before: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 |
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CF01 | Termination of patent right due to non-payment of annual fee |