Tung & Associates
Backlight control circuit
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.
Richtek Technology Corporation
H H
H05B H05B
inventional additional
Jing-Meng
Liu