A display device includes a display portion that includes a plurality of pixels; common potential supply main wiring that is disposed so as to surround the display portion on an outside of the display portion; a common potential wiring layer that extends to a gap region between the plurality of pixels in the display portion and is electrically connected to the common potential supply main wiring; an organic film that is disposed to cover the plurality of pixels; and a common electrode film that covers the display portion and the common potential supply main wiring, and is disposed to be in contact with the common potential supply main wiring. The common potential wiring layer has a plurality of contact regions in the gap region and the common electrode film is in contact with the plurality of contact regions.