ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,924, issued on May 27, was assigned to IRIS OPTRONICS Co. LTD. (Tainan, Taiwan).
"Self-powered display device" was invented by Chung-Yi Chang (Tainan, Taiwan), Chih-Wei Chen (Tainan, Taiwan) and Chi-Chang Liao (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A self-powered display device includes a display module and a power module. The display module is a cholesteric liquid crystal display module, and the power module is a solar cell module. The display module allows light to enter the power module from the front side, and the power module generates electricity upon receiving the light to provide the necessary energy for the display m...