ALEXANDRIA, Va., June 16 -- United States Patent no. 12,660,348, issued on June 16, was assigned to VisEra Technologies Co. Ltd. (Hsin-Chu City, Taiwan).

"Image sensor" was invented by Zong-Ru Tu (Hsin-Chu City, Taiwan), Han-Sheng Chen (Hsin-Chu City, Taiwan), Yu-Chi Chang (Hsin-Chu City, Taiwan) and Han-Lin Wu (Hsin-Chu City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an image sensor including a unit. The unit includes a phase detection auto focus (PDAF) pixel, sensing pixels, and a light-shielding grid. The PDAF pixel is on a substrate, in which the PDAF pixel includes four photodiodes and a first color filter layer on the four photodiodes. The sensing pixels are ...