A display device including a display element having a planar display face on which a plurality of pixels are arranged in a matrix shape and an optical element arranged in close contact with or in close proximity to at least a partial region of the planar display face and optically transmitting image light incoming from the planar display face to a light-emitting face, characterized in that the light-emitting face of the optical element has a surface not parallel to at least the planar display face and forms a nonplanar display face and that the plurality of pixels on the planar display face do not have the same dimensions but different dimensions in accordance with the angle θ formed by the planar display face and the nonplanar display face corresponding to the pixels of the planar display face.