CN103151009A - 一种背光调光电路及其调光方法、液晶显示器 - Google Patents
一种背光调光电路及其调光方法、液晶显示器 Download PDFInfo
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- CN103151009A CN103151009A CN2013100598504A CN201310059850A CN103151009A CN 103151009 A CN103151009 A CN 103151009A CN 2013100598504 A CN2013100598504 A CN 2013100598504A CN 201310059850 A CN201310059850 A CN 201310059850A CN 103151009 A CN103151009 A CN 103151009A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 15
- 238000005286 illumination Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000000052 comparative effect Effects 0.000 claims description 8
- 230000002596 correlated effect Effects 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000005282 brightening Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008569 process Effects 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
-
- 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
- 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
-
- 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
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- 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)
- Liquid Crystal (AREA)
Abstract
Description
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310059850.4A CN103151009B (zh) | 2013-02-26 | 2013-02-26 | 一种背光调光电路及其调光方法、液晶显示器 |
PCT/CN2013/072179 WO2014131201A1 (zh) | 2013-02-26 | 2013-03-05 | 一种背光调光电路及其调光方法、液晶显示器 |
US13/878,226 US8829807B1 (en) | 2013-02-26 | 2013-03-05 | Backlight dimming circuit, dimming method of the same and liquid crystal display thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310059850.4A CN103151009B (zh) | 2013-02-26 | 2013-02-26 | 一种背光调光电路及其调光方法、液晶显示器 |
Publications (2)
Publication Number | Publication Date |
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CN103151009A true CN103151009A (zh) | 2013-06-12 |
CN103151009B CN103151009B (zh) | 2015-08-26 |
Family
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Family Applications (1)
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CN201310059850.4A Active CN103151009B (zh) | 2013-02-26 | 2013-02-26 | 一种背光调光电路及其调光方法、液晶显示器 |
Country Status (2)
Country | Link |
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CN (1) | CN103151009B (zh) |
WO (1) | WO2014131201A1 (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104570714A (zh) * | 2015-01-12 | 2015-04-29 | 深圳市宏嘉科创电子有限公司 | 一种低功耗的蓝牙手表 |
WO2015081631A1 (zh) * | 2013-12-06 | 2015-06-11 | 深圳市华星光电技术有限公司 | 一种背光源驱动电路及液晶显示装置和驱动方法 |
CN104900190A (zh) * | 2015-06-23 | 2015-09-09 | 京东方科技集团股份有限公司 | 电源电路、有机发光二极管显示装置 |
CN105469747A (zh) * | 2014-08-25 | 2016-04-06 | 深圳富泰宏精密工业有限公司 | 电子装置及其背光驱动电路 |
US9324277B2 (en) | 2013-12-06 | 2016-04-26 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight driving circuit, liquid crystal display device and drive method |
CN107426879A (zh) * | 2017-08-31 | 2017-12-01 | 鲁东大学 | 一种基于pwm的电压调光led控制系统 |
CN108227810A (zh) * | 2018-02-02 | 2018-06-29 | 北京克莱爱尔电力科技有限公司 | 一种节能限流电路及具有该节能限流电路的稳压源 |
CN113835287A (zh) * | 2019-06-20 | 2021-12-24 | 青岛海信激光显示股份有限公司 | 激光投影设备 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03124774U (zh) * | 1990-03-28 | 1991-12-17 | ||
JPH08294273A (ja) * | 1995-04-20 | 1996-11-05 | Fujitsu General Ltd | 出力電圧の制御方法 |
US20100109537A1 (en) * | 2006-10-25 | 2010-05-06 | Panasonic Electric Works Co., Ltd. | Led lighting circuit and illuminating apparatus using the same |
CN101751875A (zh) * | 2008-12-12 | 2010-06-23 | 深圳Tcl新技术有限公司 | 背光可调的液晶显示器及其实现方法 |
KR20100078322A (ko) * | 2008-12-30 | 2010-07-08 | 한국과학기술원 | 직류-직류 변환기 |
CN102223741A (zh) * | 2010-04-14 | 2011-10-19 | 日隆电子股份有限公司 | 应用在led驱动器的控制电路及方法 |
CN103715889A (zh) * | 2012-09-28 | 2014-04-09 | 乐金显示有限公司 | Dc-dc转换器控制电路、使用其的图像显示设备及其驱动方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100582877C (zh) * | 2006-07-12 | 2010-01-20 | 群康科技(深圳)有限公司 | 脉冲调光电路 |
KR20090018472A (ko) * | 2007-08-17 | 2009-02-20 | 삼성전자주식회사 | 백라이트 유닛, 이를 포함하는 디스플레이장치 및 그제어방법 |
CN101436386B (zh) * | 2007-11-15 | 2011-06-08 | 中华映管股份有限公司 | 背光模组的驱动装置 |
KR20090128255A (ko) * | 2008-06-10 | 2009-12-15 | 삼성전자주식회사 | 아날로그-디지털 컨버터와 이를 포함하는 표시 장치 및 그구동 방법 |
CN202394501U (zh) * | 2011-11-23 | 2012-08-22 | 深圳市华星光电技术有限公司 | Led背光驱动电路和led背光模组 |
CN102843828B (zh) * | 2012-08-06 | 2014-05-14 | 电子科技大学 | 一种pwm调制电路 |
-
2013
- 2013-02-26 CN CN201310059850.4A patent/CN103151009B/zh active Active
- 2013-03-05 WO PCT/CN2013/072179 patent/WO2014131201A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03124774U (zh) * | 1990-03-28 | 1991-12-17 | ||
JPH08294273A (ja) * | 1995-04-20 | 1996-11-05 | Fujitsu General Ltd | 出力電圧の制御方法 |
US20100109537A1 (en) * | 2006-10-25 | 2010-05-06 | Panasonic Electric Works Co., Ltd. | Led lighting circuit and illuminating apparatus using the same |
CN101751875A (zh) * | 2008-12-12 | 2010-06-23 | 深圳Tcl新技术有限公司 | 背光可调的液晶显示器及其实现方法 |
KR20100078322A (ko) * | 2008-12-30 | 2010-07-08 | 한국과학기술원 | 직류-직류 변환기 |
CN102223741A (zh) * | 2010-04-14 | 2011-10-19 | 日隆电子股份有限公司 | 应用在led驱动器的控制电路及方法 |
CN103715889A (zh) * | 2012-09-28 | 2014-04-09 | 乐金显示有限公司 | Dc-dc转换器控制电路、使用其的图像显示设备及其驱动方法 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015081631A1 (zh) * | 2013-12-06 | 2015-06-11 | 深圳市华星光电技术有限公司 | 一种背光源驱动电路及液晶显示装置和驱动方法 |
GB2535962B (en) * | 2013-12-06 | 2020-11-25 | Shenzhen China Star Optoelect | Backlight driving circuit, liquid crystal display device and drive method |
US9324277B2 (en) | 2013-12-06 | 2016-04-26 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight driving circuit, liquid crystal display device and drive method |
GB2535962A (en) * | 2013-12-06 | 2016-08-31 | Shenzhen China Star Optoelect | Backlight source drive circuit, liquid crystal display device, and drive method |
CN105469747A (zh) * | 2014-08-25 | 2016-04-06 | 深圳富泰宏精密工业有限公司 | 电子装置及其背光驱动电路 |
CN104570714A (zh) * | 2015-01-12 | 2015-04-29 | 深圳市宏嘉科创电子有限公司 | 一种低功耗的蓝牙手表 |
US9799263B2 (en) | 2015-06-23 | 2017-10-24 | Boe Technology Group Co., Ltd. | Power supply circuit and organic light-emitting diode display device |
CN104900190B (zh) * | 2015-06-23 | 2018-02-06 | 京东方科技集团股份有限公司 | 电源电路、有机发光二极管显示装置 |
CN104900190A (zh) * | 2015-06-23 | 2015-09-09 | 京东方科技集团股份有限公司 | 电源电路、有机发光二极管显示装置 |
CN107426879A (zh) * | 2017-08-31 | 2017-12-01 | 鲁东大学 | 一种基于pwm的电压调光led控制系统 |
CN107426879B (zh) * | 2017-08-31 | 2020-09-15 | 鲁东大学 | 一种基于pwm的电压调光led控制系统 |
CN108227810A (zh) * | 2018-02-02 | 2018-06-29 | 北京克莱爱尔电力科技有限公司 | 一种节能限流电路及具有该节能限流电路的稳压源 |
CN113835287A (zh) * | 2019-06-20 | 2021-12-24 | 青岛海信激光显示股份有限公司 | 激光投影设备 |
CN113835287B (zh) * | 2019-06-20 | 2022-11-22 | 青岛海信激光显示股份有限公司 | 激光投影设备 |
Also Published As
Publication number | Publication date |
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WO2014131201A1 (zh) | 2014-09-04 |
CN103151009B (zh) | 2015-08-26 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518132 No. 9-2 Ming Avenue, Guangming New District, Guangdong, Shenzhen Patentee after: TCL China Star Optoelectronics Technology Co.,Ltd. Address before: 518132 No. 9-2 Ming Avenue, Guangming New District, Guangdong, Shenzhen Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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Effective date of registration: 20210309 Address after: No.109, Kangping Road, Liuyang economic and Technological Development Zone, Changsha, Hunan 410300 Patentee after: Changsha Huike optoelectronics Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: TCL China Star Optoelectronics Technology Co.,Ltd. |
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