发明名称 LED drive circuit
摘要 An LED drive circuit having reduced power consumption has a constant current generating circuit for driving a plurality of LEDs and at least one switch connected to a respective LED for periodically turning on and off the respective LED at a rate higher than a visual perception rate to reduce power consumption.
申请公布号 US6980181(B2) 申请公布日期 2005.12.27
申请号 US20020068384 申请日期 2002.02.07
申请人 SEIKO INSTRUMENTS INC. 发明人 SUDO MINORU
分类号 H05B37/02;G09G3/20;H01L33/00;H05B33/08;(IPC1-7):G09G3/32 主分类号 H05B37/02
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