Patent ID: 8154036
Filing Date: 2012-04-10
Classification: H01L

Abstract:
1. A nitride semiconductor device, comprising: at least an n-electrode; an n-type semiconductor layer; an active layer; a p-type semiconductor layer; and a p-electrode sequentially, wherein the n-type semiconductor layer includes an n-type GaN contact layer of n-type impurity-doped GaN having an electron concentration ranging from 5×10 wherein the n-electrode is provided on one main surface of the n-type GaN contact layer wherein the p-electrode is a transparent electrode and is provided on one main surface of the p-type semiconductor layer, wherein the nitride semiconductor device further comprises: wherein the generating layer is provided on another main surface of the n-type GaN contact layer and generates an electron accumulation layer for accumulating electrons at a boundary surface with the n-type GaN contact layer.