CN102612235B - 一种含多级恒流驱动电路的led照明装置 - Google Patents
一种含多级恒流驱动电路的led照明装置 Download PDFInfo
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- CN102612235B CN102612235B CN201210099766.0A CN201210099766A CN102612235B CN 102612235 B CN102612235 B CN 102612235B CN 201210099766 A CN201210099766 A CN 201210099766A CN 102612235 B CN102612235 B CN 102612235B
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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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CN201210099766.0A CN102612235B (zh) | 2012-04-07 | 2012-04-07 | 一种含多级恒流驱动电路的led照明装置 |
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CN102612235A CN102612235A (zh) | 2012-07-25 |
CN102612235B true CN102612235B (zh) | 2014-03-12 |
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Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9538593B2 (en) | 2012-11-14 | 2017-01-03 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Method for multiplying current of LED light bar and associated driving circuit thereof |
CN102917518B (zh) * | 2012-11-14 | 2015-11-04 | 深圳市华星光电技术有限公司 | 实现led灯条电流倍增的方法及其对应的驱动电路 |
CN103118464A (zh) * | 2013-02-05 | 2013-05-22 | 元烽 | 一种led交流分段驱动的切换开关电路 |
US9226354B2 (en) * | 2013-06-03 | 2015-12-29 | Iml International | Light-emitting diode lighting device having multiple driving stages |
CN104284478A (zh) * | 2013-07-10 | 2015-01-14 | 安恩科技股份有限公司 | 具备多级驱动阶段的发光二极管照明装置 |
US20150201471A1 (en) * | 2014-01-16 | 2015-07-16 | Iml International | Low-flicker light-emitting diode lighting device having multiple driving stages |
JP6741682B2 (ja) * | 2015-03-09 | 2020-08-19 | ルミレッズ ホールディング ベーフェー | 制御可能な照明デバイスを用いたled照明回路 |
CN105513545B (zh) * | 2016-02-29 | 2018-09-11 | 京东方科技集团股份有限公司 | 一种背光单元及其驱动方法、显示装置 |
CN106572562B (zh) * | 2016-11-08 | 2019-05-03 | 广州市雅江光电设备有限公司 | 一种单路恒流驱动控制多个led像素点的方法 |
CN106376143B (zh) * | 2016-11-08 | 2019-04-30 | 广州市雅江光电设备有限公司 | 一种单路恒流驱动控制多个led像素点的电路 |
CN106658823B (zh) * | 2016-11-08 | 2019-05-14 | 广州市雅江光电设备有限公司 | 一种单路恒流驱动控制多个led像素点的电路调光控制逻辑 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101043778A (zh) * | 2007-04-06 | 2007-09-26 | 苏州日月成科技有限公司 | 防止级间干扰的多级led驱动电路 |
CN201766748U (zh) * | 2009-11-21 | 2011-03-16 | 英飞特电子(杭州)有限公司 | 多路恒流驱动电路 |
CN102123552A (zh) * | 2011-01-28 | 2011-07-13 | 重庆大学 | 一种多路恒流大功率led驱动电源 |
CN102186282A (zh) * | 2011-03-21 | 2011-09-14 | 中国航天科技集团公司第九研究院第七七一研究所 | 一种可提高ac led 灯功率因数的驱动电路 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100444499C (zh) * | 2004-11-06 | 2008-12-17 | 深圳市保元实业发展有限公司 | 分段式集中供电的太阳能道钉光伏发电系统 |
CN1888518A (zh) * | 2006-07-06 | 2007-01-03 | 西安交通大学 | 光谱可编程的测试用模拟光源 |
CN201039518Y (zh) * | 2007-04-06 | 2008-03-19 | 苏州日月成科技有限公司 | 采用多个恒流偏置电压的多级led驱动电路 |
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- 2012-04-07 CN CN201210099766.0A patent/CN102612235B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101043778A (zh) * | 2007-04-06 | 2007-09-26 | 苏州日月成科技有限公司 | 防止级间干扰的多级led驱动电路 |
CN201766748U (zh) * | 2009-11-21 | 2011-03-16 | 英飞特电子(杭州)有限公司 | 多路恒流驱动电路 |
CN102123552A (zh) * | 2011-01-28 | 2011-07-13 | 重庆大学 | 一种多路恒流大功率led驱动电源 |
CN102186282A (zh) * | 2011-03-21 | 2011-09-14 | 中国航天科技集团公司第九研究院第七七一研究所 | 一种可提高ac led 灯功率因数的驱动电路 |
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