CN102740567A - 一种led背光驱动电路、背光模组和液晶显示装置 - Google Patents
一种led背光驱动电路、背光模组和液晶显示装置 Download PDFInfo
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- CN102740567A CN102740567A CN2012102289337A CN201210228933A CN102740567A CN 102740567 A CN102740567 A CN 102740567A CN 2012102289337 A CN2012102289337 A CN 2012102289337A CN 201210228933 A CN201210228933 A CN 201210228933A CN 102740567 A CN102740567 A CN 102740567A
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- lamp bar
- led lamp
- led
- controlled switch
- output
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
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- Liquid Crystal Display Device Control (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210228933.7A CN102740567B (zh) | 2012-07-04 | 2012-07-04 | 一种led背光驱动电路、背光模组和液晶显示装置 |
PCT/CN2012/078366 WO2014005340A1 (zh) | 2012-07-04 | 2012-07-09 | 一种led背光驱动电路、背光模组和液晶显示装置 |
Applications Claiming Priority (1)
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CN201210228933.7A CN102740567B (zh) | 2012-07-04 | 2012-07-04 | 一种led背光驱动电路、背光模组和液晶显示装置 |
Publications (2)
Publication Number | Publication Date |
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CN102740567A true CN102740567A (zh) | 2012-10-17 |
CN102740567B CN102740567B (zh) | 2014-10-29 |
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CN201210228933.7A Active CN102740567B (zh) | 2012-07-04 | 2012-07-04 | 一种led背光驱动电路、背光模组和液晶显示装置 |
Country Status (2)
Country | Link |
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CN (1) | CN102740567B (zh) |
WO (1) | WO2014005340A1 (zh) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014079038A1 (zh) * | 2012-11-22 | 2014-05-30 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路、背光模组和液晶显示装置 |
US8890417B2 (en) | 2012-11-22 | 2014-11-18 | Shenzhen China Star Optoelectronics Technology Co., Ltd | LED backlight driving circuit, backlight module, and LCD device |
WO2014190580A1 (zh) * | 2013-05-28 | 2014-12-04 | 深圳市华星光电技术有限公司 | Led背光驱动电路、液晶显示装置和一种驱动方法 |
US8981676B2 (en) | 2013-05-28 | 2015-03-17 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED backlight driving circuit, LCD device, and method for driving the LED backlight driving circuit |
US9345101B2 (en) | 2013-08-22 | 2016-05-17 | Realtek Semiconductor Corporation | Protection circuit for use in controlling integrated circuit of light emitting diode |
CN105810154A (zh) * | 2016-05-09 | 2016-07-27 | 昆山龙腾光电有限公司 | Led背光模块、显示装置及led背光驱动方法 |
CN106997747A (zh) * | 2017-05-27 | 2017-08-01 | 京东方科技集团股份有限公司 | 一种有机发光显示面板及显示装置 |
CN107635330A (zh) * | 2017-09-28 | 2018-01-26 | 惠州莫思特智照科技有限公司 | 调光装置及调光灯具 |
CN107734737A (zh) * | 2017-06-20 | 2018-02-23 | 厦门奇力微电子有限公司 | 一种用于改善恒流驱动器热性能的电路 |
CN109410847A (zh) * | 2018-11-21 | 2019-03-01 | 惠科股份有限公司 | 一种背光控制电路和控制方法 |
WO2020206802A1 (zh) * | 2019-04-11 | 2020-10-15 | 深圳市华星光电技术有限公司 | 一种运算放大器和显示装置 |
Citations (8)
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---|---|---|---|---|
JP4199202B2 (ja) * | 2005-02-14 | 2008-12-17 | 星和電機株式会社 | 電源装置及び照明装置 |
CN101527120A (zh) * | 2008-03-05 | 2009-09-09 | 三星电子株式会社 | 驱动光源的方法、光源装置和具有该光源装置的显示装置 |
JP2010212369A (ja) * | 2009-03-09 | 2010-09-24 | Tdk-Lambda Corp | Led駆動装置 |
CN101916548A (zh) * | 2010-07-22 | 2010-12-15 | 福建捷联电子有限公司 | 一种液晶显示器发光二极管灯管控制电路 |
CN101916550A (zh) * | 2010-08-18 | 2010-12-15 | 福建捷联电子有限公司 | 发光二极管驱动电路 |
CN102123536A (zh) * | 2010-01-12 | 2011-07-13 | 冠捷投资有限公司 | 发光二极管驱动电路 |
CN102202444A (zh) * | 2010-03-23 | 2011-09-28 | 新绿科技股份有限公司 | 发光二极管驱动电路 |
US20110309758A1 (en) * | 2010-06-22 | 2011-12-22 | TPV Electronics (Fujian) Co., Ltd. | Driving circuit for led lamp |
-
2012
- 2012-07-04 CN CN201210228933.7A patent/CN102740567B/zh active Active
- 2012-07-09 WO PCT/CN2012/078366 patent/WO2014005340A1/zh active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4199202B2 (ja) * | 2005-02-14 | 2008-12-17 | 星和電機株式会社 | 電源装置及び照明装置 |
CN101527120A (zh) * | 2008-03-05 | 2009-09-09 | 三星电子株式会社 | 驱动光源的方法、光源装置和具有该光源装置的显示装置 |
JP2010212369A (ja) * | 2009-03-09 | 2010-09-24 | Tdk-Lambda Corp | Led駆動装置 |
CN102123536A (zh) * | 2010-01-12 | 2011-07-13 | 冠捷投资有限公司 | 发光二极管驱动电路 |
CN102202444A (zh) * | 2010-03-23 | 2011-09-28 | 新绿科技股份有限公司 | 发光二极管驱动电路 |
US20110309758A1 (en) * | 2010-06-22 | 2011-12-22 | TPV Electronics (Fujian) Co., Ltd. | Driving circuit for led lamp |
CN101916548A (zh) * | 2010-07-22 | 2010-12-15 | 福建捷联电子有限公司 | 一种液晶显示器发光二极管灯管控制电路 |
CN101916550A (zh) * | 2010-08-18 | 2010-12-15 | 福建捷联电子有限公司 | 发光二极管驱动电路 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014079038A1 (zh) * | 2012-11-22 | 2014-05-30 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路、背光模组和液晶显示装置 |
US8890417B2 (en) | 2012-11-22 | 2014-11-18 | Shenzhen China Star Optoelectronics Technology Co., Ltd | LED backlight driving circuit, backlight module, and LCD device |
WO2014190580A1 (zh) * | 2013-05-28 | 2014-12-04 | 深圳市华星光电技术有限公司 | Led背光驱动电路、液晶显示装置和一种驱动方法 |
US8981676B2 (en) | 2013-05-28 | 2015-03-17 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED backlight driving circuit, LCD device, and method for driving the LED backlight driving circuit |
US9345101B2 (en) | 2013-08-22 | 2016-05-17 | Realtek Semiconductor Corporation | Protection circuit for use in controlling integrated circuit of light emitting diode |
CN105810154A (zh) * | 2016-05-09 | 2016-07-27 | 昆山龙腾光电有限公司 | Led背光模块、显示装置及led背光驱动方法 |
CN106997747A (zh) * | 2017-05-27 | 2017-08-01 | 京东方科技集团股份有限公司 | 一种有机发光显示面板及显示装置 |
CN106997747B (zh) * | 2017-05-27 | 2019-01-01 | 京东方科技集团股份有限公司 | 一种有机发光显示面板及显示装置 |
US10950173B2 (en) | 2017-05-27 | 2021-03-16 | Ordos Yuansheng Optoelectronics Co., Ltd. | Organic light-emitting display panel and display device |
CN107734737A (zh) * | 2017-06-20 | 2018-02-23 | 厦门奇力微电子有限公司 | 一种用于改善恒流驱动器热性能的电路 |
CN107635330A (zh) * | 2017-09-28 | 2018-01-26 | 惠州莫思特智照科技有限公司 | 调光装置及调光灯具 |
CN109410847A (zh) * | 2018-11-21 | 2019-03-01 | 惠科股份有限公司 | 一种背光控制电路和控制方法 |
WO2020206802A1 (zh) * | 2019-04-11 | 2020-10-15 | 深圳市华星光电技术有限公司 | 一种运算放大器和显示装置 |
Also Published As
Publication number | Publication date |
---|---|
CN102740567B (zh) | 2014-10-29 |
WO2014005340A1 (zh) | 2014-01-09 |
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Address after: 518132 No. 9-2 Ming Avenue, Guangming New District, Guangdong, Shenzhen Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 518000 Guangming Avenue, Guangming New District, Guangdong, Shenzhen 9-2, China Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |
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Effective date of registration: 20210316 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 Huaxing Photoelectric Technology Co.,Ltd. |