公开(公告)号：US20150351175A1

公开(公告)日：2015-12-03

申请号：US14625614

申请日：2015-02-18

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Won Young LEE ,  Hee Seo Lee ,  Hyo Young Kim ,  Sung Hun Oh

IPC: H05B33/08

CPC classification number: H05B33/0815

Abstract: A feedback circuit includes a detection voltage regulating unit outputting a regulation voltage by comparing a detection voltage associated with a current flowing in a light emitting diode channel with a reference voltage, a path forming unit forming a current path depending on the regulation voltage, and a feedback signal generating unit generating a feedback signal depending on a current flowing in the current path.

Abstract translation: 反馈电路包括：检测电压调节单元，通过将与发光二极管通道中流动的电流相关联的检测电压与参考电压进行比较来输出调节电压;根据调节电压形成电流路径的路径形成单元;以及 反馈信号产生单元根据在当前路径中流动的电流产生反馈信号。