US Patent 7760200 Image data-outputting unit and liquid crystal display device

An LCD drive of an image data-outputting unit causes an LCD to display thereon the same image twice and perform overdrive for a frame period in a first mode, causes the LCD to display thereon an image to be displayed in the first half of the frame period and display thereon a black image in the second half of the frame period in a second mode, and causes the LCD to display thereon the same image twice for the frame period without performing the overdrive in a third mode.