Patent ID: 8872200

Claim:
A display device comprising: a plurality of pixels, each of the plurality of pixels comprising: a first electrode, a light emitting layer, and a second electrode in that order over a substrate; and an aperture insulator configured to allow only a portion of the light emitting layer to emit light; wherein the plurality of pixels include: a first pixel comprising a first light emitting layer common to the plurality of pixels; a second pixel comprising: the first light emitting layer; and a second light emitting layer different from the first light emitting layer; and a third pixel comprising: the first light emitting layer; and a third light emitting layer different from the first light emitting layer and the second light emitting layer; wherein a first distance from a surface of the first electrode of the first pixel to a surface of the aperture insulator of the first pixel is greater than a second distance from a surface of the first electrode of the second pixel to a surface of the aperture insulator of the second pixel and a third distance from a surface of the first electrode of the third pixel to a surface of the aperture insulator of the third pixel is substantially the same as the second distance.