CN102186276B - 带电流检测的led恒流驱动电路及led背光系统 - Google Patents
带电流检测的led恒流驱动电路及led背光系统 Download PDFInfo
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- CN102186276B CN102186276B CN2011100546549A CN201110054654A CN102186276B CN 102186276 B CN102186276 B CN 102186276B CN 2011100546549 A CN2011100546549 A CN 2011100546549A CN 201110054654 A CN201110054654 A CN 201110054654A CN 102186276 B CN102186276 B CN 102186276B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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CN2011100546549A CN102186276B (zh) | 2011-03-08 | 2011-03-08 | 带电流检测的led恒流驱动电路及led背光系统 |
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CN2011100546549A CN102186276B (zh) | 2011-03-08 | 2011-03-08 | 带电流检测的led恒流驱动电路及led背光系统 |
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CN102186276A CN102186276A (zh) | 2011-09-14 |
CN102186276B true CN102186276B (zh) | 2013-09-11 |
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Cited By (1)
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CN105246213A (zh) * | 2015-11-03 | 2016-01-13 | 佛山市南海区联合广东新光源产业创新中心 | 一种智能电梯照明控制及检测系统 |
Families Citing this family (24)
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TWI451650B (zh) | 2011-11-04 | 2014-09-01 | Leadtrend Tech Corp | 短路保護控制電路與相關之控制方法 |
CN102435904B (zh) * | 2011-11-15 | 2014-08-20 | 深圳Tcl新技术有限公司 | Led电路错误短路故障的检测方法及检测电路 |
CN102510636B (zh) * | 2011-11-15 | 2013-11-13 | 韦挽澜 | 一种驱动白光led的电流检测ic |
CN103249208A (zh) * | 2012-02-14 | 2013-08-14 | 通嘉科技股份有限公司 | 短路保护控制电路与相关的控制方法 |
CN102708805B (zh) * | 2012-04-26 | 2014-05-14 | 贵阳海信电子有限公司 | 多路led背光源驱动电路及使用其的液晶显示装置 |
CN102711316B (zh) * | 2012-04-26 | 2014-05-07 | 贵阳海信电子有限公司 | Led背光源驱动装置及使用其的液晶显示装置 |
CN103428937B (zh) * | 2012-05-16 | 2016-04-06 | 上海占空比电子科技有限公司 | 一种开关调光的控制装置及方法 |
JP6389460B2 (ja) * | 2012-08-07 | 2018-09-12 | フィリップス ライティング ホールディング ビー ヴィ | 電源装置 |
CN103083823A (zh) * | 2012-11-14 | 2013-05-08 | 王兆进 | 一种红外led矩阵治疗仪 |
CN103021346B (zh) * | 2012-12-25 | 2016-03-02 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路、驱动方法及液晶显示装置 |
US9230490B2 (en) | 2012-12-25 | 2016-01-05 | Shenzhen China Star Optoelectronics Technology Co., Ltd | LED backlight driver circuit |
CN103076531A (zh) * | 2012-12-28 | 2013-05-01 | 上海澳星照明电器制造有限公司 | 基于mbi5039芯片的发光二极管失效检测电路及检测方法 |
US9310644B2 (en) | 2013-03-11 | 2016-04-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Liquid crystal display, LED backlight source, and the driving method thereof |
CN103117046A (zh) | 2013-03-11 | 2013-05-22 | 深圳市华星光电技术有限公司 | 液晶显示器、led背光源及其驱动方法 |
TWI474313B (zh) * | 2013-05-17 | 2015-02-21 | Power Forest Technology Corp | 發光二極體驅動裝置及應用其之發光二極體背光系統 |
CN103295538B (zh) * | 2013-07-02 | 2015-03-04 | 深圳市华星光电技术有限公司 | 背光驱动电路及减少背光驱动电路软启动时间的方法 |
CN104253960B (zh) * | 2014-09-17 | 2017-12-19 | 广州视源电子科技股份有限公司 | 一种低功耗的稳压背光控制电路和电视机 |
CN105719594B (zh) * | 2014-12-01 | 2019-06-18 | 鸿富锦精密工业(深圳)有限公司 | 背光驱动模组及具有背光驱动模组的显示设备 |
CN106211490A (zh) * | 2015-04-29 | 2016-12-07 | 常州星宇车灯股份有限公司 | 汽车led灯具短路断路关断系统 |
CN104821156B (zh) * | 2015-05-19 | 2018-03-02 | 深圳市华星光电技术有限公司 | 一种led背光驱动电路 |
CN105744677B (zh) * | 2016-03-03 | 2017-06-23 | 深圳市质能达微电子科技有限公司 | 电源传输路径与数据传输路径重合的led驱动系统 |
CN106409241B (zh) * | 2016-11-29 | 2019-01-04 | 青岛海信电器股份有限公司 | 液晶显示装置及多分区led背光的短路保护方法 |
CN106604458B (zh) * | 2016-12-07 | 2018-03-09 | 武汉精立电子技术有限公司 | 可检测led灯串开短路的恒流源驱动装置及方法 |
CN107318197A (zh) * | 2017-08-17 | 2017-11-03 | 无锡市益明光电有限公司 | 一种多路led电流平衡电路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US7550934B1 (en) * | 2008-04-02 | 2009-06-23 | Micrel, Inc. | LED driver with fast open circuit protection, short circuit compensation, and rapid brightness control response |
CN201369862Y (zh) * | 2009-02-04 | 2009-12-23 | 北京朗波尔光电科技有限公司 | 一种led恒流驱动器 |
CN101785118A (zh) * | 2007-08-10 | 2010-07-21 | 罗姆股份有限公司 | 驱动装置 |
-
2011
- 2011-03-08 CN CN2011100546549A patent/CN102186276B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101785118A (zh) * | 2007-08-10 | 2010-07-21 | 罗姆股份有限公司 | 驱动装置 |
US7550934B1 (en) * | 2008-04-02 | 2009-06-23 | Micrel, Inc. | LED driver with fast open circuit protection, short circuit compensation, and rapid brightness control response |
CN201369862Y (zh) * | 2009-02-04 | 2009-12-23 | 北京朗波尔光电科技有限公司 | 一种led恒流驱动器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105246213A (zh) * | 2015-11-03 | 2016-01-13 | 佛山市南海区联合广东新光源产业创新中心 | 一种智能电梯照明控制及检测系统 |
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CN102186276A (zh) | 2011-09-14 |
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Denomination of invention: LED (light emitting diode) constant current driving circuit with current detection and LED backlight system Effective date of registration: 20141017 Granted publication date: 20130911 Pledgee: Bank of Shanghai, Limited by Share Ltd, Shenzhen branch Pledgor: Teralane Semiconductor (Shenzhen) Co., Ltd. Registration number: 2014990000861 |
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