US Patent Issued to 3M Innovative Properties on Sept. 29 for "Optical film, backlight, and display" (Minnesota, Wisconsin Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,748,245, issued on Sept. 29, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Optical film, backlight, and display" was invented by Matthew E. Sousa (Rosemount, Minn.), Jason S. Petaja (Hudson, Wis.), Anthony M. Renstrom (Forest Lake, Minn.), William B. Kolb (Stillwater, 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 optical film includes an optically diffusive layer including a plurality of nanoparticles dispersed between and across opposing first and second major surfaces thereof. The plurality of nanoparticles has a nanoparticle size distribution i...