US Patent Issued to 3M Innovative Properties on July 28 for "Optical constructions with angular light control films" (Minnesota, Wisconsin Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,453, issued on July 28, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Optical constructions with angular light control films" was invented by Daniel J. Schmidt (Woodbury, Minn.), Kevin W. Gotrik (Hudson, Wis.), Kundapur Raveesh Shenoy (Woodbury, Minn.), Przemyslaw P. Markowicz (Woodbury, Minn.) and Zhaohui Yang (North Oaks, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical construction includes a lens film having a structured first major surface having a plurality of microlenses and an opposing second major surface. A light absorbing layer is disposed on the second major surface and has an average thickness of greate...