ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,119, issued on April 22, was assigned to OPTOELEC Co. LTD (Gyeonggi-Do, South Korea).

"Micro-optics system using diffraction method" was invented by Yong Woo Kim (Gyeonggi-do, South Korea) and Jun Yuk Lee (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A micro-optics system using the diffraction method includes a plurality of micro-optical elements having different inclination patterns. The different inclination patterns are implemented such that a plurality of light rays incident from a light source are increasingly refracted by 1 degree in an outward direction from a center of the plurality of micro-optical elements, and th...