发明名称 Backlight control circuit
摘要 The present invention discloses a backlight control circuit, comprising: a voltage supply circuit, under control by a control signal, for receiving an input voltage and generating an output voltage; a plurality of nodes for respectively indicating the current status of corresponding light emission device paths; and a high-low voltage comparison and amplifier circuit for generating the control signal according to a voltage difference between at least two nodes.
申请公布号 US2008094008(A1) 申请公布日期 2008.04.24
申请号 US20070906512 申请日期 2007.10.02
申请人 RICHTEK TECHNOLOGY CORPORATION 发明人 LIU JING-MENG
分类号 H05B37/02 主分类号 H05B37/02
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