US Patent Issued to Snap on Feb. 10 for "Waveguide and diffraction grating for augmented reality or virtual reality display" (British Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,006, issued on Feb. 10, was assigned to Snap Inc. (Santa Monica, Calif.).

"Waveguide and diffraction grating for augmented reality or virtual reality display" was invented by Alexandra Crai (Abingdon, Great Britain), Ciaran Phelan (Wallingford, Great Britain), Mohmed Salim Ibrahim Valera (Sutton Coldfield, Great Britain) and David Nicholas Crosby (Oxford, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A waveguide for use in a virtual reality, VR, or augmented reality, AR, device, is disclosed. The waveguide comprising an input region configured to couple light into the waveguide so that it propagates under total internal reflection (TI...