[PRJ7/3D6-2]Outdoor Aerial LED Signage Formed With AIRR by Use of Fresnel Lens
*Shinya Sakane1,2, Koji Yoshikawa2, Shiro Suyama1, Hirotsugu Yamamoto1(1. Utsunomiya University (Japan), 2. Seiwa Electric Mfg. Co., Ltd. (Japan))
Keywords:
Retro-reflection,Aerial display,Fresnel lens,Transport infrastructure
We have developed an aerial LED display that meets outdoor brightness standards. We report on the results of an experiment using this device to see if an aerial LED sign can actually be seen outdoors.