ALEXANDRIA, Va., June 19 -- United States Patent no. 12,336,309, issued on June 17, was assigned to Hoon Kim (Seoul, South Korea).

"Unit pixel of image sensor and light-receiving element thereof" was invented by Hoon Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a light-receiving element which has more capability of detecting wavelengths than that of existing silicon light-receiving elements and a unit pixel of an image sensor by using it. The light-receiving element includes: a light-receiving unit which is floated or connected to external voltage and absorbs light; an oxide film which is formed to come in contact with a side of the light-receiving unit; a source and a ...