A display device includes pixels; a substrate; a first electrode and a second electrode disposed in each of the pixels and spaced apart from each other on a substrate; light-emitting elements disposed between the first electrode and the second electrode; a wavelength control layer disposed on the light-emitting elements; and a light-transmitting layer disposed between the light-emitting elements and the wavelength control layer, wherein the light-transmitting layer disposed in each of the pixels is spaced apart from the light-transmitting layer disposed in an adjacent one of the plurality of pixels.