公开(公告)号：US09450495B2

公开(公告)日：2016-09-20

申请号：US13929382

申请日：2013-06-27

申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.

发明人： Sang Kyoo Han ,  Byoung Woo Ryu ,  Heung Gyoon Choi ,  Keun Wook Lee ,  Hong Sun Park

IPC分类号： H02M3/33 ,  H02M3/335 ,  H05B33/08 ,  H02M1/42 ,  H02M1/00

CPC分类号： H02M3/33546 ,  H02M1/4258 ,  H02M2001/0022 ,  H05B33/0815 ,  Y02B20/346 ,  Y02B70/126

摘要： There is provided a single stage forward-flyback converter including a power converting unit switching input power to perform a forward power conversion operation while being switched on and perform a flyback power conversion operation while being switched off, a path providing unit clamping power formed by the forward power conversion operation of the power converting unit and power formed by the flyback power conversion operation thereof to provide power transfer paths, and a controlling unit controlling the power conversion operation of the power converting unit according to a voltage level of the input power.

摘要翻译： 提供了一个单级前进反激转换器，其包括功率转换单元，其切换输入电力以在被接通的同时执行正向功率转换操作，并且在关闭时执行回扫电力转换操作，路径提供单元夹紧功率由 功率转换单元的正向功率转换操作和通过其反激功率转换操作形成的功率，以提供功率传递路径，以及控制单元，根据输入功率的电压电平来控制功率转换单元的功率转换操作。

公开(公告)号：US09357595B2

公开(公告)日：2016-05-31

申请号：US14514166

申请日：2014-10-14

申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.

发明人： Keun Wook Lee ,  Byoung Woo Ryu

IPC分类号： H05B33/08 ,  H02M7/06 ,  H02J3/00 ,  H02M3/158 ,  H02M3/335 ,  H02M7/10 ,  H02M7/5383 ,  H02J5/00 ,  H02J7/02 ,  H02J7/34

CPC分类号： H05B33/0809 ,  H02J5/00 ,  H02J7/345 ,  H02M3/158 ,  H02M3/33507 ,  H02M3/33523 ,  H02M7/103 ,  H02M7/5383 ,  H05B33/0815 ,  H05B33/0851

摘要： A light emitting diode driver includes a power supplying unit receiving an alternating current (AC) power and outputting a transformed power according to a predetermined ratio, a rectifying unit rectifying the output power from the power supplying unit, and a double voltage unit receiving the rectified power from the rectifying unit and generating an output voltage such that the level of the output voltage is variable, and has constant duty and frequency thereof even the variance of the voltage level.

摘要翻译： 发光二极管驱动器包括：供电单元，其接收交流电（AC）电力并根据预定比率输出变换后的电力;整流单元对来自供电单元的输出功率进行整流;以及双电压单元，接收经整流的 并且产生输出电压，使得输出电压的电平是可变的，并且即使电压电平的变化也具有恒定的占空比和频率。