ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,733,277, issued on Sept. 8, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Light shield for pixel of image sensor" was invented by Wen-Sheng Wang (Hsinchu, Taiwan), Yi-Hsuan Fan (New Taipei, Taiwan) and Yen-Ting Chen (Changhua, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pixel of an image sensor includes: a semiconductor material substrate; a photosensitive region formed in the substrate, the photosensitive region generating photo-induced electrical charge in response to illumination with light; a storage node formed in the substrate proximate to the photosensitive region, the storage node selectively rec...