Patent ID: 9472713
Filing Date: 2016-10-18
CPC Classification: H01L

Claim Text:
1. A semiconductor light-emitting device, comprising: an emission layer comprising a group III-V compound semiconductor; a first electrode comprising a reflective metal layer and a transparent conductive film; an insulating layer provided on the first electrode and having an opening such that a part of the transparent conductive film is included in the opening; a first conductivity type layer provided between the insulating layer and the emission layer, and comprising a group III-V compound semiconductor; a second conductivity type layer provided on the emission layer and comprising a second contact layer; and a second electrode comprising a strip portion provided on the second contact layer, wherein the first conductivity type layer comprises a first contact layer, a first cladding layer, and a composition gradient layer, and a composition of the composition gradient layer varies in a thickness direction of the composition gradient layer.