US Patent Issued to GOOGLE on Aug. 11 for "Optical combiners with improved efficiency and uniformity" (Canadian, American Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,721, issued on Aug. 11, was assigned to GOOGLE LLC (Mountain View, Calif.).

"Optical combiners with improved efficiency and uniformity" was invented by Shreyas Potnis (Kitchener, Calif.) and Timothy Paul Bodiya (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, and methods for directing display light employ one or more optical combiners that include recycle optics such as diffraction gratings, which can receive wasted display light travelling in a volume of an optical combiner, and redirect the wasted display light towards other optics so the wasted display light may be effectively used to produce a display. The optical combin...