A display device includes: a base substrate; a TFT layer; a plurality of light-emitting elements; a sealing portion; a display region; and a frame region, wherein the sealing portion includes a first sealing film provided on the plurality of light-emitting elements, a second sealing film provided above the first sealing film, a third sealing film provided above the second sealing film, and a light-transmissive conductive film provided between two sealing films of the first sealing film, the second sealing film, and the third sealing film, an edge of the first sealing film and an edge of the third sealing film are positioned outward of an edge of the second sealing film in the frame region, and the light-transmissive conductive film is electrically connected to a first electrodes or a second electrode.