Patent ID: 6356260
Filing Date: 2002-03-12
Classification: G09G

Abstract:
A control circuitry for a video display system, said video display system comprising a display having a plurality of columns and a plurality of lines of pixels, and a plurality of gate drivers for activating sequentially one of said plurality of lines of pixels on said display, said control circuitry comprising:a transmitting circuit for transmitting video data over a data bus, said transmitting circuit comprising a comparator for comparing video data for a first pixel with video data for a second pixel; a receiving circuit for receiving said video data on said data bus and driving voltages representing said video data onto said plurality of columns of pixels on said display; and a data line coupling said transmitting circuit and said receiving circuit; wherein said transmitting circuit transmits a repeat signal over said data line and ceases transmission of said video data over said data bus when video data of said first and second pixels are the same.