Patent ID: 6839047

Claim:
A display device comprising: a plurality of pixels; a plurality of signal lines for supplying signals to said plurality of pixels; and a video signal drive circuit for receiving data transferred serially from an external system and supplying said signals based upon said data to said plurality of signal lines in parallel, wherein said video signal drive circuit includes a plurality of stages each comprising a column of switching elements, said switching elements constituting said column of each of said plurality of stages double successively in number as a final one of said plurality of stages is approached, each of said switching elements of each of said plurality of stages excluding said final one is connected to a pair of switching elements in a next succeeding one of said plurality stages, each of said pair of switching elements is repeatedly and alternately switched ON with the other of said pair of switching elements being switched OFF, and a frequency of said ON-OFF switching of said pair of switching elements of each of said plurality of stages is successively halved as said final one of said plurality of stages is approached.