Display device

A display device includes: a first sub-pixel, a second sub-pixel, and a third sub-pixel disposed on a substrate; a first organic light-emitting element configured to emit first color light, a second organic light-emitting element configured to emit second color light, and a third organic light-emitting element configured to emit third color light disposed in the first, second, and third sub-pixels, respectively; a first anode electrode, a second anode electrode, and a third anode electrode disposed in the first, second, and third sub-pixels, respectively; and a first cathode electrode, a second cathode electrode, and a third cathode electrode disposed in the first, second, and third sub-pixels, respectively, where the first cathode electrode, the second cathode electrode, and the third cathode electrode include at least one layer, and wherein at least two cathode electrodes among the first, second, and third cathode electrodes have different numbers of layers from each other. 一种显示设备，包括：设置在基板上的第一子像素、第二子像素和第三子像