Power supply control circuit of display device

Details Power supply control circuit of display device Power supply control circuit of display device

2011-01-25

2011-01-25

Laxton, Gary L (Department: 2838)

Electrical transmission or interconnection systems

Switching systems

Switch actuation

C307S113000, C307S130000, C345S212000, C348S730000

Reexamination Certificate

active

07875998

ABSTRACT:
A power control circuit includes an isolation circuit for receiving a separate image signal and outputting a start signal, and a driving circuit for outputting a direct current (DC) power to start a power module. The other power control circuit includes a first signal generating circuit, for generating a first signal; a second signal generating circuit, for receiving a DC power and outputting a second signal upon receiving a first signal; a driving circuit, for outputting a DC power to start a power module after receiving the second signal; an isolation circuit, for receiving the separate image signal and outputting a start signal; and a control circuit, for outputting a DC power to start the power module after receiving the start signal. The operation of the power control circuit can be suspended, when the display device is in a standby state, thereby reducing power consumption in the standby state significantly.

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