Deep ultraviolet leds: understanding the low external quantum efficiency

por Zhang, Zi-Hui, Chu, Chunshuang, Tian, Kangkai, Zhang, Yonghui
Publicado 2019

Optimization Strategy of 4H-SiC Separated Absorption Charge and Multiplication Avalanche Photodiode Structure for High Ultraviolet Detection Efficiency

por Kou, Jianquan, Tian, KangKai, Chu, Chunshuang, Zhang, Yonghui, Zhou, Xingye, Feng, Zhihong, Zhang, Zi-Hui
Publicado 2019

On the p-AlGaN/n-AlGaN/p-AlGaN Current Spreading Layer for AlGaN-based Deep Ultraviolet Light-Emitting Diodes

por Che, Jiamang, Chu, Chunshuang, Tian, Kangkai, Kou, Jianquan, Shao, Hua, Zhang, Yonghui, Bi, Wengang, Zhang, Zi-Hui
Publicado 2018

Effects of Meshed p-type Contact Structure on the Light Extraction Effect for Deep Ultraviolet Flip-Chip Light-Emitting Diodes

por Zheng, Yuxin, Zhang, Yonghui, Zhang, Ji, Sun, Ce, Chu, Chunshuang, Tian, Kangkai, Zhang, Zi-Hui, Bi, Wengang
Publicado 2019

Improving the Current Spreading by Locally Modulating the Doping Type in the n-AlGaN Layer for AlGaN-Based Deep Ultraviolet Light-Emitting Diodes

por Che, Jiamang, Shao, Hua, Kou, Jianquan, Tian, Kangkai, Chu, Chunshuang, Hou, Xu, Zhang, Yonghui, Sun, Qian, Zhang, Zi-Hui
Publicado 2019

Nearly Efficiency-Droop-Free AlGaN-Based Ultraviolet Light-Emitting Diodes with a Specifically Designed Superlattice p-Type Electron Blocking Layer for High Mg Doping Efficiency

por Zhang, Zi-Hui, Huang Chen, Sung-Wen, Chu, Chunshuang, Tian, Kangkai, Fang, Mengqian, Zhang, Yonghui, Bi, Wengang, Kuo, Hao-Chung
Publicado 2018

Alternative Strategy to Reduce Surface Recombination for InGaN/GaN Micro-light-Emitting Diodes—Thinning the Quantum Barriers to Manage the Current Spreading

por Chang, Le, Yeh, Yen-Wei, Hang, Sheng, Tian, Kangkai, Kou, Jianquan, Bi, Wengang, Zhang, Yonghui, Zhang, Zi-Hui, Liu, Zhaojun, Kuo, Hao-Chung
Publicado 2020