ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,850, issued on May 27, was assigned to GOOGLE LLC (Mountain View, Calif.).
"Augmented reality optical projector system" was invented by Daniel Adema (Kitchener, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A projector design for a microLED augmented reality (AR) display system. The AR display includes a light engine comprising a microLED panel and a set of plates that oscillate out of phase. The system also includes a waveguide with an input coupler (IC) having an entrance pupil. The entrance pupil of the IC is substantially coplanar with the exit pupil of the light engine. This configuration allows for coupling of light from the light engi...