US Patent Issued to Applied Materials on June 30 for "Method to improve display efficiency and uniformity of AR waveguide" (California Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,708, issued on June 30, was assigned to Applied Materials Inc. (Santa Clara, Calif.).

"Method to improve display efficiency and uniformity of AR waveguide" was invented by Jinxin Fu (Fremont, Calif.) and Ludovic Godet (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure generally relate to methods of modifying and engineering the effective thickness of an optical device substrate. The methods provide for depositing a material that is index-matched to the substrate to alter a thickness distribution of the optical device. By adjusting the thickness distribution, the optical path of light is modulated ...