US Patent Issued to Essilor International on Oct. 7 for "Optical element comprising at least one holographic diffusive element" (French Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,322, issued on Oct. 7, was assigned to Essilor International (Charenton-le-Pont, France).

"Optical element comprising at least one holographic diffusive element" was invented by Jean-Paul Cano (Charenton-le-Pont, France), Aude Bouchier (Charenton-le-Pont, France) and Gilles Le Saux (Paris).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical element is configured to be worn in front of an eye of a wearer. The optical element has two main surfaces and includes at least one holographic diffusive element having diffusive properties resulting from spatial variations of refractive index of said holographic diffusive element. The spatial variation of r...