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US08106605B2 Backlight control circuit 有权
背光控制电路

Backlight control circuit
摘要:
An exemplary backlight control circuit includes a pulse width modulation integrated circuit (PWM IC) having a power input terminal, a power source capable of outputting an operation voltage, and a switching circuit connected between the power source and the PWM IC to control if the operation voltage is provided to the power input terminal.
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