US Patent Issued to 3M Innovative Properties on Jan. 13 for "Optically diffusive film with elongated structures" (Minnesota, Wisconsin Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,801, issued on Jan. 13, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Optically diffusive film with elongated structures" was invented by Tri D. Pham (Woodbury, Minn.), David A. Rosen (North Saint Paul, Minn.), Qunyi Chen (Woodbury, Minn.), Lisa A DeNicola (St. Paul, Minn.), Quinn D. Sanford (Mosinee, Wis.), Matthew S. Cole (Woodbury, Minn.), Bharat R. Acharya (Woodbury, Minn.), Matthew E. Sousa (Rosemount, Minn.), Robert D. Taylor (Stacy, Minn.) and Benjamin J. Forsythe (Stillwater, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optically diffusive film includes an optical substrate layer with opposing first and second m...