ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,515, issued on Nov. 18, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Optical stack and display" was invented by Takashi Fujita (Kanagawa, Japan), Hideaki Shirotori (Kanagawa, Japan), Chikara Abe (Yamagata, Japan), Matthew B. Johnson (Woodbury, Minn.), Brianna N. Wheeler (Bloomington, Minn.) and Adam D. Haag (Woodbury, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical stack includes a reflective polarizer including a plurality of interference layers and an absorbing polarizer disposed on the reflective polarizer. The plurality of interference layers transmits at least about 85% of an incident light having a first pol...