**About the Special Issue Editor**

**Jie Sun** got his Bachelor's and Master's degrees in microelectronics and solid-state electronics from the Dalian University of Technology. He has a PhD in semiconductor materials from the Institute of Semiconductors, Chinese Academy of Sciences, and another PhD in semiconductor devices from the Solid State Physics Division, Lund University. He is now based at Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, and Fuzhou University, conducting research on GaN-based microLEDs as well as 2D materials and devices. He is a senior member of the IEEE. He has published 111 papers (Web of Science) and has an H-index of 24. He has been granted seven patents.
