Patent attributes
Provided is a high image quality display device including a touch panel. A display device includes a substrate; a display region provided on the substrate, the display region including an array of a plurality of pixels each including at least one light-emitting element; a scanning line driving circuit; a video signal driving circuit; a common electrode commonly provided for the plurality of light-emitting elements, the common electrode being divided into a plurality of divided areas extending in a radial direction in the display region; and a voltage switch circuit connected with the plurality of divided areas of the common electrode, the voltage switch circuit selectively connecting each of the plurality of divided areas of the common electrode with a reference power supply circuit supplying a constant potential or a scanning circuit detecting a touch position in the display region.