ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,396, issued on Feb. 3, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Image sensor having improved electrical and/or optical characteristics" was invented by Jingyun Kim (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image sensor includes a semiconductor substrate of first conductivity type having first and second surfaces and including pixel regions, photoelectric conversion regions of second conductivity type respectively provided in the pixel regions, and a pixel isolation structure disposed in the semiconductor substrate to define the pixel regions and surrounding each of the photoelectric conv...