US Patent Issued to 3M Innovative Properties on Nov. 4 for "Optical system and optical film" (Minnesota, Washington Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,298, issued on Nov. 4, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Optical system and optical film" was invented by John D. Le (Woodbury, Minn.), Zhisheng Yun (Sammamish, Wash.), Timothy L. Wong (St. Paul, Minn.), Timothy J. Nevitt (Red Wing, Minn.), Adam D. Haag (Woodbury, Minn.) and Arthur L. Kotz (Woodbury, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Optical films, such as reflective polarizer films, and optical systems including the optical films are described. An optical system includes one or more optical lenses having at least one curved major surface, a partial reflector, and a reflective polarizer. For a substan...