1:15 PM - 1:30 PM [19p-Z29-2] Detection of Non-Radiative Recombination Levels in InGaN-LED Under Operation By Irradiating Below-Gap Excitation Light 〇(M1)Natsuki Chiyoda1, Norihiko Kamata1, Hiroyuki Yguchi1 (1.Saitama Univ.)