A display device includes a pixel part provided with a plurality of pixels, and a light emitting device provided in the pixel, wherein the light emitting device includes a light emitting layer including a quantum dot, a first electrode provided on one surface of the light emitting layer, an insulation layer provided between the light emitting layer and the first electrode, and a second electrode provided between the light emitting layer and the insulation layer, and at least one end part of the second electrode layer is provided over the first electrode.