Manipulation of Si Doping Concentration for Modification of the Electric Field and Carrier Injection for AlGaN-Based Deep-Ultraviolet Light-Emitting Diodes

by Mengqian Fang, Kangkai Tian, Chunshuang Chu, Yonghui Zhang, Zi-Hui Zhang, Wengang Bi
Published 2018-06-01

Tuning the Plasmonic Resonance Peak for Al Nanorods on AlGaN Layer to Deep Ultraviolet Band

by Ziqiang Zhao, Chunshuang Chu, Gai Zhang, Kangkai Tian, Yonghui Zhang, Zi-Hui Zhang
Published 2021-01-01

Improving hole injection from p-EBL down to the end of active region by simply playing with polarization effect for AlGaN based DUV light-emitting diodes

by Danyang Zhang, Chunshuang Chu, Kangkai Tian, Jianquan Kou, Wengang Bi, Yonghui Zhang, Zi-Hui Zhang
Published 2020-06-01

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

by Yuxin Zheng, Yonghui Zhang, Ji Zhang, Ce Sun, Chunshuang Chu, Kangkai Tian, Zi-Hui Zhang, Wengang Bi
Published 2019-05-01

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

by Jiamang Che, Chunshuang Chu, Kangkai Tian, Jianquan Kou, Hua Shao, Yonghui Zhang, Wengang Bi, Zi-Hui Zhang
Published 2018-11-01

On the Impact of Electron Leakage on the Efficiency Droop for AlGaN Based Deep Ultraviolet Light Emitting Diodes

by Chunshuang Chu, Kangkai Tian, Jiamang Che, Hua Shao, Jianquan Kou, Yonghui Zhang, Zi-Hui Zhang, Hao-Chung Kuo
Published 2020-01-01

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

by Jiamang Che, Hua Shao, Jianquan Kou, Kangkai Tian, Chunshuang Chu, Xu Hou, Yonghui Zhang, Qian Sun, Zi-Hui Zhang
Published 2019-08-01

Enhancing Both TM- and TE-Polarized Light Extraction Efficiency of AlGaN-Based Deep Ultraviolet Light-Emitting Diode via Air Cavity Extractor With Vertical Sidewall

by Yonghui Zhang, Yuxin Zheng, Ruilin Meng, Ce Sun, Kangkai Tian, Chong Geng, Zi-Hui Zhang, Guoxu Liu, Wengang Bi
Published 2018-01-01

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

by Zi-Hui Zhang, Sung-Wen Huang Chen, Chunshuang Chu, Kangkai Tian, Mengqian Fang, Yonghui Zhang, Wengang Bi, Hao-Chung Kuo
Published 2018-04-01

The Effect of Sapphire Substrates on Omni-Directional Reflector Design for Flip-Chip Near-Ultraviolet Light-Emitting Diodes

by Yonghui Zhang, Ji Zhang, Yuxin Zheng, Ce Sun, Kangkai Tian, Chunshang Chu, Zi-Hui Zhang, Jay Guoxu Liu, Wengang Bi
Published 2019-01-01

Advances of beveled mesas for GaN-based trench Schottky barrier diodes

by Fuping Huang, Xingyu Jia, Yajin Liu, Kangkai Tian, Chunshuang Chu, Quan Zheng, Yonghui Zhang, Zhen Xin, Zi-Hui Zhang, Qing Li
Published 2021-04-01

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

by Le Chang, Yen-Wei Yeh, Sheng Hang, Kangkai Tian, Jianquan Kou, Wengang Bi, Yonghui Zhang, Zi-Hui Zhang, Zhaojun Liu, Hao-Chung Kuo
Published 2020-08-01