Patent ID: 6067309
Filing Date: 2000-05-23
Classification: H01S

Abstract:
A compound semiconductor light-emitting device having a compound semiconductor (Ga.sub.x1 In.sub.y1 Al.sub.z1 N: x1+y1+z1=1, 0.ltoreq.x1, y1, z1.ltoreq.1) comprising:an n-type semiconductor layer having at least an n-type clad layer;an active layer formed on said n-type semiconductor layer;a p-type semiconductor layer, formed on said active layer, having at least a p-type clad layer;a smoothing layer of Ga.sub.x2 In.sub.y2 Al.sub.z2 N (x2+y2+z2=1, 0.ltoreq.x2, z2.ltoreq.1, 0<y2.ltoreq.1) formed in said active layer;a p-type contact layer, formed on said p-type semiconductor layer, having a p-type impurity added thereto;a p-side electrode formed on said p-type contact layer; andan n-side electrode electrically connected with said n-type semiconductor layer.