US Patent Issued to INTERDIGITAL MADISON PATENT HOLDINGS on Sept. 22 for "Uniform incoupler for conical incidence" (French, German Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,968, issued on Sept. 22, was assigned to INTERDIGITAL MADISON PATENT HOLDINGS SAS (Paris).

"Uniform incoupler for conical incidence" was invented by Valter Drazic (Betton, France), Oksana Shramkova (Liffre, France), Bobin Varghese (Munich) and Valerie Allie (Saint-Armel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "In example embodiments, a waveguide display apparatus includes a waveguide comprising a substrate, a plurality of diffractive grating elements on the waveguide, and at least two coating layers on the waveguide between the substrate and the diffractive grating elements. The grating elements may be elements of a diffractive in-cou...