US Patent Issued to 3M Innovative Properties on July 28 for "Optical system and methods including microlenses and light-blocking layer" (Minnesota, Wisconsin Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,452, issued on July 28, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Optical system and methods including microlenses and light-blocking layer" was invented by Zhaohui Yang (North Oaks, Minn.), Matthew S. Stay (Bloomington, Minn.), Matthew R.D. Smith (Woodbury, Minn.), Tri D. Pham (Woodbury, Minn.), Adam T. Ringberg (St. Paul, Minn.) and Serena L. Schleusner (Roberts, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system is disclosed and includes an optical sensor configured to receive light and form an image. The optical system further includes a microlens film including a structured first major surface opposite ...