Improved carrier injection and confinement in InGaN light-emitting diodes containing GaN/AlGaN/GaN triangular barriers*

Project supported by the National Key Research and Development Program of China (Grant Nos. 2017YFB0403100 and 2017YFB0403101), the National Natural Science Foundation of China (Grant Nos. 61404114, 61504119, and 11004170), the China Postdoctoral Science Foundation (Grant No. 2017M611923), and the Jiangsu Planned Projects for Postdoctoral Research Funds, China (Grant No. 1701067B).

Cheng Li-Wen1, 4, †, Ma Jian1, Cao Chang-Rui1, Xu Zuo-Zheng1, Lan Tian2, Yang Jin-Peng1, Chen Hai-Tao1, Yu Hong-Yan2, Wu Shu-Dong1, Yao Shun3, Zeng Xiang-Hua1, Xu Zai-Quan5, ‡
       

(color online) Electron current density profiles near the active region for three different LEDs at 150 mA.