Patent ID: 7460137
Filing Date: 2008-12-02
Classification: G09G

Abstract:
1. A display device comprising: an A/D converter for converting an analog video signal into a digital video signal and outputting the digital video signal; a data controller for taking and processing the digital video signal and outputting the digital video signal to a display unit; an average gray scale calculator obtaining an average gray scale by averaging a gray scale of each pixel over an entire screen of one frame based on the digital video signal from the A/D converter and for outputting an average gray scale signal; a display time rate table outputting a magnification signal for reducing a display time rate when the average gray scale exceeds a certain value in accordance with the average gray scale signal; and a timing signal generator generating an erase start signal for erasing the digital video signal written to the each pixel of the display unit in accordance with the magnification signal.