US Patent Issued to Snap on Sept. 8 for "Waveguide for an augmented reality or virtual reality display" (British Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,305, issued on Sept. 8, was assigned to Snap Inc. (Santa Monica, Calif.).

"Waveguide for an augmented reality or virtual reality display" was invented by David James Grey (Maidenhead, Great Britain) and Mohmed Salim Valera (Sutton Coldfield, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A waveguide is disclosed for use in an augmented reality or virtual reality display. The waveguide includes a plurality of optical structures exhibiting differences in refractive index from a surrounding waveguide medium. The optical structures are arranged in an array to provide at least two diffractive optical elements overlaid on one another in the ...