Schedule 1 2:15 PM - 2:30 PM [OWPT8-05] Optimization of Data and Power transfer Efficience in Visible Light Simultaneous Data and Power Transfer System *Yohei Nakamura1, Yun Li1, Yohtaro Umeda1, Yusuke Kozawa2 (1. Tokyo University of Science, 2. Ibaraki University)