ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,870, issued on Jan. 13, was assigned to 3M INNOVATIVE PROPERTY COMPANY (St. Paul, Minn.).
"Optical systems for HUD systems" was invented by Stephan J. Pankratz (Eagan, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system includes a display including an active display region configured to emit an image. The active display region includes a predetermined region including a display center. A windshield of a vehicle includes an embedded reflective polarizer. The reflective polarizer reflects between about 20% to about 40% of incident light polarized along a first direction, and transmits at least 60% of the incident light polarized alo...