Schedule 4 2:39 PM - 2:41 PM [LEDIA-P-13] Measuring the Internal Quantum Efficiency in GaInN-based Light-emitting Diodes under Electrical Injection *Dong-Pyo Han1, Seiji Ishimoto1, Ryoya Mano1, Motoaki Iwaya1, Tetsuya Takeuchi1, Satoshi Kamiyama1, Isamu Akasaki1,2 (1. Meijo University, 2. Nagoya University)