ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,163, issued on March 18, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (South Korea).

"Image sensor" was invented by Masato Fujita (Suwon-si, South Korea) and Kyungho Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image sensor includes a semiconductor substrate having a first surface and a second surface opposite to the first surface, a transfer gate electrode provided on the first surface of the semiconductor substrate, readout circuit transistors spaced apart from the transfer gate electrode and provided on the first surface of the semiconductor substrate, and a photoelectric conversion layer provided in the semicondu...