A display device includes a light guide plate which includes a light transmission portion and an antireflection portion at two opposite end faces and which is provided with a light extraction portion in part of a surface, respective light sources which are arranged on outer sides of the two opposite end faces, a transmission liquid crystal panel located adjacent to the light extraction portion, and a synchronous drive unit that alternately turns ON the light sources and that displays an image that is synchronous with an alternating turn-ON operation the transmission liquid crystal panel.