ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,754, issued on Dec. 30, was assigned to GOOGLE LLC (Mountain View, Calif.).
"Waveguide with regional anti-reflection coating" was invented by Timothy Paul Bodiya (Toronto), Shreyas Potnis (Kitchener, Canada) and Syed Moez Haque (Vaughan, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Improving the performance and efficiency of waveguide gratings while also improving the anti-reflection performance of the waveguide can be achieved by selective application of a dielectric anti-reflective coating (or coatings) to distinct regions of the waveguide. For example, a multi-layer dielectric anti-reflective coating is selectively applied to the region ...