ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,414,394, issued on Sept. 9, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Gyeonggi-do, South Korea).

"Combination structures and optical filters and image sensors and camera modules and electronic devices" was invented by Chung Kun Cho (Suwon-si, South Korea), Mi Jeong Kim (Hwaseong-si, South Korea), Hyung Jun Kim (Suwon-si, South Korea) and Hye Ran Kim (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combination structure includes an in-plane pattern of unit cells, wherein the each unit cell includes nanostructures each having a dimension that is smaller than a near-infrared wavelength and a light-absorbing layer adjacent to ...