ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,665, issued on Aug. 11, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Optical system including light control film and fresnel lens" was invented by Tao Liu (Woodbury, Minn.), Shu-Ching Fan (Woodbury, Minn.), Gary T. Boyd (Woodbury, Minn.), David Scott Thompson (Bayport, Minn.), Caleb T. Nelson (McKinney, Texas), Tri D. Pham (Woodbury, Minn.), Adam T. Ringberg (St Paul, Minn.), Daniel J. Schmidt (Woodbury, Minn.) and Owen M. Anderson (Minneapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system includes an optical film curved about a first axis and a light control film curved about the first axis and substantially c...