Patent ID: 8779454

Claim:
A light emitting element comprising: an active layer composed of a semiconductor which generates light; a polarizer layer that allows a polarized component in a first direction among the lights generated in said active layer to pass therethrough, and reflects a polarized component in a second direction which is perpendicular to the first direction; a reflective layer that is provided in the opposite side of said polarizer layer with respect to said active layer, and reflects light which has been reflected by said polarizer layer; and a wavelength plate layer that is provided between said polarizer layer and said reflective layer, and changes polarization states of the light which has been reflected by said polarizer layer and light which has been reflected by said reflective layer, wherein said polarizer layer is formed on a semiconductor of the same group as said active layer and contains a semiconductor or a metal of the same group as said active layer, and said wavelength plate layer contains a semiconductor of the same group as said active layer.