High Brightness GaN Vertical Light-Emitting Diodes on Metal Alloy for General Lighting Application. - Chen-Fu Chu; Chao-Chen Cheng; Wen-Huan Liu; Jiunn-Yi Chu; Feng-Hsu Fan; Hao-Chun Cheng; Trung Doan; Chuong Anh Tran (Proc. IEEE, 2010)