A display device includes: a display unit including a plurality of light emission areas; a plurality of touch electrodes disposed between the plurality of light emission areas to sense a touch; and a plurality of code patterns formed between the plurality of light emission areas in a predetermined planar code shape, wherein code patterns, which indicate preset direction designated position codes, are repeatedly disposed in an outermost area in at least one direction of a touch sensor area in which the plurality of touch electrodes are arranged.