ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,487, issued on June 24, was assigned to HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY Co. LTD. (Guangdong, China).

"Prism sheet and display module" was invented by Yuqing Geng (Guangdong, China), Fen Cao (Guangdong, China), Guofeng Kuang (Guangdong, China) and Xinyu Wang (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a prism sheet and a display module. The prism sheet includes a base layer and a plurality of prisms arranged on the base layer. The prism sheet is divided into a middle region and edge regions. By making the vertex angles of the portions of the prisms in the middle region smaller than the ...