ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,473, issued on Feb. 25, was assigned to Coretronic Corp. (Hsin-Chu, Taiwan).

"Curved shell and manufacturing method thereof" was invented by Shih-Kan Lin (Hsin-Chu, Taiwan) and Chia-Tien Chen (Hsin-Chu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A curved shell, configured to receive a projection light beam provided by a projection device, and including a curved main body, a microstructure layer and multiple light-resistant layers is provided. The curved main body has an inner surface and an outer surface opposite to each other, and the outer surface has different curvatures. The microstructure layer is disposed on the outer surface and in...