Dr. Shengjun ZhouShengjun Zhou received his Ph.D. degree from Shanghai Jiao Tong University, China in 2011. He is currently full Professor at Wuhan University, China. He was Research Fellow at the University of Michigan, Ann Arbor during 2014 and 2015. His research focuses on the growth and device fabrication of GaN-based blue/green/ultraviolet LEDs. Sheng Liu received his Ph.D. degree from Stanford University, USA in 1992. He is currently full professor at Wuhan University. His current research interests focus on the areas of LEDs, MEMS, optoelectronics,sensor and electronics packaging.