Abstract: A display device includes: a substrate; a light emitting element layer disposed on the substrate; and a sensor electrode layer disposed on an encapsulation layer and including: a plurality of first touch electrode groups extending along a first direction; a plurality of first touch electrodes, of the plurality of first touch electrode groups, arranged along the first direction; a plurality of second touch electrode groups extending along the second direction and arranged along the first direction; a first contact electrode connected to any one of the plurality of first touch electrodes of any one of the plurality of first touch electrode groups; and a second contact electrode connected to any one of the plurality of first touch electrodes of another of the plurality of first touch electrode groups, and wherein an area of the first contact electrode is greater than an area of the second contact electrode.