ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,717, issued on Oct. 7, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Grid structure with at least partially angled sidewalls" was invented by Wei-Lin Chen (Tainan, Taiwan), Ching-Chung Su (Tainan, Taiwan), Chun-Hao Chou (Tainan, Taiwan) and Kuo-Cheng Lee (Tainan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A grid structure in a pixel array may be at least partially angled or tapered toward a top surface of the grid structure such that the width of the grid structure approaches a near-zero width near the top surface of the grid structure. This permits the spacing between color filter regions in between the g...