ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,288, issued on March 3, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Light coupling element" was invented by Michael A. Haase (St. Paul, Minn.) and Terry L. Smith (Roseville, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light coupling element including a plurality of waveguide attachment features and a light redirecting member is described. Each attachment feature has an entrance end opposite a terminal end. The entrance ends are arranged at a pitch Pe. The light redirecting member is disposed closer to the terminal ends, and farther from the entrance ends, and includes an input surface, a reflecting side and an exit su...