ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,130, issued on Feb. 17, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Compact heads-up display" was invented by Zhisheng Yun (Sammamish, Wash.), Stephen J. Willett (St. Paul, Minn.), Craig R. Schardt (Woodbury, Minn.), Gilles J. Benoit (Minneapolis), Keith M. Kotchick (St. Paul, Minn.), Ryan C. Shirk (Mendota Heights, Minn.), David A. Rosen (North St. Paul, Minn.) and Hao Wu (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system includes a reflective polarizer (20), and a display (10), first mirror (30a), and second mirror (30b) disposed on a same side of the reflective polarizer (20). The reflective polarizer ...