Aging mechanism of GaN-based yellow LEDs with V-pits

Zhang Tian-Ran, Fang Fang^†, Wang Xiao-Lan, Zhang Jian-Li, Wu Xiao-Ming, Pan Shuan, Liu Jun-Lin, Jiang Feng-Yi

(a) The I–V curve of sample before and after 500-h aging at 100 K. (b) Calculated series resistance via slope of a ( I d V / d I )–I for sample at 100 K before and after aging.