Proceedings of the International Display Workshops Volume 31 (IDW '24)
Dec 4 - Dec 6, 2024Sapporo Convention Center
Proceedings of the International Display Workshops Volume 31 (IDW '24)
Dec 4 - Dec 6, 2024Sapporo Convention Center
[FMCp1-6]Improvement of Optical Design on Inclined Curved Corner-Cube Retroreflector (D-CCR) for Directional Projection Screen Under Sunny and Automobile’s Conditions
Ren Mitsuhashi1, *Kazuhiro Wako1(1. National Institute of Technology, Sendai College (Japan))
Keywords:
Corner cube retroreflector,Functional projection screen,Adv. D-CCR,Driver assistance display
Highly directional projection screens for automobiles with high luminance that can be viewed under sunlight are required. In order to improve the light utilization efficiency of the micro-optical structure that is constituted our previously reported projection screen, we analyzed the reflected light distribution characteristics of the new design proposal. As a result, an optical design that significantly improves light utilization efficiency is established.