Performance improvement of GaN-based light-emitting diodes transferred from Si (111) substrate onto electroplating Cu submount with embedded wide p-electrodes*
Liu Ming-Gang†, Wang Yun-Qian†, Yang Yi-Bin†, Lin Xiu-Qi, Xiang Peng, Chen Wei-Jie, Han Xiao-Biao, Zang Wen-Jie, Liao Qiang, Lin Jia-Li, Luo Hui, Wu Zhi-Sheng, Liu Yang, Zhang Bai-Jun‡
       
Surface morphologies of (a) the conventional LED on Si and (b) the embedded wide p-electrode LED on Cu measured by AFM at an area of 3× 3 μm2.