Patent ID: 8680561
Filing Date: 2014-03-25
Classification: B82Y,H01L

Abstract:
1. A semiconductor light emitting device, comprising: a first semiconductor layer of a first conductivity type; a second semiconductor layer of a second conductivity type; a light emitting layer provided between the first semiconductor layer and the second semiconductor layer; a first electrode layer provided on a side of the second semiconductor layer opposite to the first semiconductor layer, the first electrode layer including a metal portion and a plurality of opening portions piercing the metal portion along a direction from the first semiconductor layer toward the second semiconductor layer, the metal portion contacting the second semiconductor layer, an equivalent circular diameter of a configuration of each of the plurality of opening portions as viewed along the direction being not less than 10 nanometers and not more than 5 micrometers; and a second electrode layer electrically connected to the first semiconductor layer, the second semiconductor layer including a protruding portion contacting the metal portion and a recessed portion recessed from the protruding portion along the direction at a bottom portion of the opening portion, the recessed portions corresponding to the opening portions.