Phosphor-Free InGaN White Light Emitting Diodes Using Flip-Chip Technology. - Ying-Chang Li; Liann-Be Chang; Hou-Jen Chen; Chia-Yi Yen; Ke-Wei Pan; Bohr-Ran Huang; Wen-Yu Kuo; Lee Chow; Dan Zhou; Ewa Popko (Materials (1996-1944), 2017)