Patent ID: 8637886

Claim:
A semiconductor light emitting element comprising: a first semiconductor layer composed of a III-V semiconductor having a first conductivity type; a light emitting layer provided on the first semiconductor layer so as to be in contact with the first semiconductor layer, the light emitting layer being composed of a III-V semiconductor and emitting light by being energized; a second semiconductor layer provided on the light emitting layer so as to be in contact with the light emitting layer, the second semiconductor layer being composed of a III-V semiconductor having a second conductivity type opposite to the first conductivity type; a transparent conductive layer composed of a material that is conductive and transparent to light outputted from the light emitting layer, the transparent conductive layer being laminated on the second semiconductor layer; a transparent insulating layer composed of a material that is insulative and transparent to light outputted from the light emitting layer, the transparent insulating layer having a through-hole penetrating therethrough in the thickness direction, the transparent insulating layer being laminated on the transparent conductive layer; a first electrode connected to the first semiconductor layer, the first electrode serving as one terminal to energize the light emitting layer; and a second electrode laminated on the transparent insulating layer, the second electrode being connected to the transparent conductive layer via the through-hole provided for the transparent insulating layer, the second electrode serving as the other terminal to energize the light emitting layer, wherein a contact surface of the transparent insulating layer with the transparent conductive layer and an inner wall surface of the through-hole provided for the transparent insulating layer form an acute angle, and wherein the second electrode includes: a first coating layer having conductivity and provided to cover the transparent insulating layer and the transparent conductive layer that is exposed via the through-hole; a metal reflection layer composed of a metal material that is conductive and reflective to light outputted from the light emitting layer, the metal reflection layer being provided on the first coating layer so as to be in contact with the first coating layer; a second coating layer provided to cover the metal reflection layer; and a connecting layer provided on the second coating layer so as to be in contact with the second coating layer, the connecting layer being used for electrical connection with outside.