ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,392, issued on Oct. 14, was assigned to JAPAN DISPLAY INC. (Tokyo).
"Photovoltaic cell device" was invented by Shinichiro Oka (Tokyo), Koichi Igeta (Tokyo), Yasuyuki Yamada (Tokyo) and Hiroumi Kinjo (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a photovoltaic cell device includes a transparent substrate including a first main surface and a second main surface opposed to the first main surface, a liquid crystal layer disposed on the second main surface side of the transparent substrate and including a cholesteric liquid crystal including liquid crystal molecules, and photovoltaic cells disposed on at least one of ...