ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,461, issued on June 17, was assigned to Shanghai Tianma Microelectronics Co. Ltd. (Shanghai).
"Liquid crystal grating and stereoscopic display device" was invented by Feng Lu (Shanghai), Yang Zeng (Shanghai) and Shengtao Zhu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a liquid crystal grating and a stereoscopic display device. A liquid crystal grating includes a first substrate, a second substrate and a liquid crystal layer, where the liquid crystal layer is located between the first substrate and the second substrate. The liquid crystal grating includes multiple grating units which are arranged along a first direction, whe...