ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,498, issued on May 20, was assigned to TOVIS Co. LTD. (Incheon, South Korea).

"Method of manufacturing bottom chassis and method of manufacturing curved display device, and curved display device using the same" was invented by Yong Taek Kim (Hwaseong-si, South Korea) and Hwanjin Kim (Gwangmyeong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a back light unit of a curved display device according to a technical aspect of the present invention is a method of manufacturing a back light unit applied to a curved display device and comprises the steps of preparing the development shape of a bottom chassis, forming...