US Patent Issued to Taiwan Semiconductor Manufacturing on July 1 for "Recessed blocking structure for BLC pixels" (Taiwanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,476, issued on July 1, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Recessed blocking structure for BLC pixels" was invented by Chun-Tsung Kuo (Tainan, Taiwan) and Jiech-Fun Lu (Madou Township, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments of the present disclosure are directed towards an image sensor. The image sensor includes a plurality of photodetectors disposed within a substrate, and the plurality of photodetectors includes a first active photodetector and a black level correction (BLC) photodetector. A metal grid structure surrounds the first active photodetector along a periphery ...