ALEXANDRIA, Va., July 23 -- United States Patent no. 12,369,416, issued on July 22, was assigned to VISERA TECHNOLOGIES COMPANY Ltd. (Hsin-Chu, Taiwan).

"Image sensor having dish structure formed within micro-lens" was invented by Yao-Chung Tung (Hsin-Chu, Taiwan), Zong-Ru Tu (Zhubei, Taiwan) and Chi-Han Lin (Zhubei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image sensor includes: a plurality of sensing portions; a color filter layer disposed on the sensing portions; and a micro-lens disposed on the color filter layer. The micro-lens includes a positive radius of curvature, and a dish structure including a negative radius of curvature is formed within the micro-lens."

The patent was filed on ...