Patent ID: 9640712
Date: 2017-05-02
CPC Classifications: H01L

Claim:
1. A nitride semiconductor structure comprising: a first type doped semiconductor layer; a light emitting layer, comprising a multiple quantum well (MQW) structure, wherein the MQW structure comprises a plurality of barrier layers and a plurality of well layers stacked alternately; an GaN based hole supply layer comprising indium, doped with a second type dopant at a concentration larger than 10 an GaN based second type carrier blocking layer comprising aluminum, wherein the GaN based hole supply layer is disposed between the light emitting layer and the GaN based second type carrier blocking layer; and a second type doped semiconductor layer, wherein the GaN second type carrier blocking layer is disposed between the second type doped semiconductor layer and the light emitting layer, and the light emitting layer is disposed between the GaN second type carrier blocking layer and the first type doped semiconductor layer, wherein the GaN second type carrier blocking layer is sandwiched between the GaN based hole supply layer and the second type doped semiconductor layer.