ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,736, issued on Sept. 15, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).

"Surface light source module and display device" was invented by Tzeng-Ke Shiau (Hsin-Chu, Taiwan) and Ying-Shun Syu (Hsin-Chu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surface light source module includes a light guide plate. The light guide plate has a first surface on which a plurality of microstructures are provided. Each microstructure has a first structural surface and a symmetry plane, a boundary between the first structural surface and the symmetry plane is provided with a first intersection line, the first intersection line includes a first line se...