Novel and emerging technologies and applications 1

[LDC9-04] Forming Aerial Signage in front of LED Panel by Use of Retro-Reflector with Square-Shaped Holes

*Daiki Nishimura¹, Masaki Yasugi^1,2, Hirotsugu Yamamoto^1,2 (1. The University of Utsunomiya, 2. JST, ACCEL)