A display apparatus which can display a ultra-high definition picture and high-speed animation is provided. The input picture signal is connected by signal generation circuit which supplies a desired signal to X driver according to n-gradation approximation picture signal output from n-gradation approximation calculating circuit to convert into n-gradation approximation picture signal approximated to binary gradation in every block and n-gradation approximation calculating circuit, Y driver, common voltage generating circuit, signal supply circuit and X driver, and a plurality of pixel parts connected by X signal line and Y driver which extends in the Y direction, and provided to the intersection parts of Y signal line which expands in the X direction.