H.-Y. ChengW.-L. ChenH. LiY.-H. HuangT.-C. LuY.-M. Chang2020-06-112020-06-112017http://www.ntu-ccms.ntu.edu.tw/lab/ultrafast/index.htmhttps://scholars.lib.ntu.edu.tw/handle/123456789/501605June 27 – 30, 2017, Chiayi, TaiwanOptical Characterization of a GaN-based LED Grown on Patterned Sapphire Substrateposter