A display device includes a substrate; a semiconductor layer disposed on the substrate; a gate insulating film disposed on the semiconductor layer; a gate layer disposed on the gate insulating film and insulated from the semiconductor layer; an insulating film disposed on the semiconductor layer and the gate layer; and a metal layer disposed on the insulating film, wherein the semiconductor layer and the gate layer are electrically connected through the metal layer, and the semiconductor layer overlaps the gate layer in a plan view.