公开(公告)号：US20110031899A1

公开(公告)日：2011-02-10

申请号：US12537801

申请日：2009-08-07

Applicant: Chung-Jen Chu ,  Yi-Jing Chen ,  Hung-Chun Chung

Inventor： Chung-Jen Chu ,  Yi-Jing Chen ,  Hung-Chun Chung

IPC: H05B37/02

CPC classification number: H05B33/0815

Abstract: A dimmable light emitting diode (LED) device with low ripple current includes a LED module, a phase dimmer, a voltage converting module, a driving module and a feedback module. The flyback converter of the voltage converting module adds a secondary forward winding connecting to a phase cut-off detector to provide a detecting voltage in proportion to current level of the output current across the LED module.

Abstract translation: 具有低纹波电流的可调光发光二极管（LED）器件包括LED模块，相位调光器，电压转换模块，驱动模块和反馈模块。 电压转换模块的反激转换器将连接到相切断检测器的次级正向绕组相加，以提供与LED模块的输出电流的当前电平成正比的检测电压。

公开(公告)号：US08193738B2

公开(公告)日：2012-06-05

申请号：US12537801

申请日：2009-08-07

Applicant: Chung-Jen Chu ,  Yi-Jing Chen ,  Hung-Chun Chung

Inventor： Chung-Jen Chu ,  Yi-Jing Chen ,  Hung-Chun Chung

IPC: H05B37/02 ,  H05B33/08 ,  H03K17/16

CPC classification number: H05B33/0815

Abstract: A dimmable light emitting diode (LED) device with low ripple current includes a LED module, a phase dimmer, a voltage converting module, a driving module and a feedback module. The flyback converter of the voltage converting module adds a secondary forward winding connecting to a phase cut-off detector to provide a detecting voltage in proportion to current level of the output current across the LED module.

Abstract translation: 具有低纹波电流的可调光发光二极管（LED）器件包括LED模块，相位调光器，电压转换模块，驱动模块和反馈模块。 电压转换模块的反激转换器将连接到相切断检测器的次级正向绕组相加，以提供与LED模块的输出电流的当前电平成比例的检测电压。