Power supply control mechanism for display device
 A power supply control mechanism for a display device automatically controls power supply according to the operation of a computer, and includes: an oscillating circuit generating a pulse of a given cycle; an oscillating circuit operation sensor monitoring whether or not the oscillating circuit operates; a power supply sensor outputting a logical product of an output pulse of the oscillating circuit operation sensor according to whether or not the display device is turned on; a digital/analog converter converting an output of the power supply sensor into an analog signal; a power switching unit which switches according to an output of the digital/analog converter; and a pulsewidth modulation integrated circuit for controlling a pulse duty ratio of the power applied to each circuit of the display device according to an output of the power switching unit. 
SamSung Electronics Co., Ltd.
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G06F G09G Y02D G06F
inventional inventional additional inventional
Hyeong-Sik
Choi