ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,534, issued on July 28.
"Displays with dispersion-compensating interleaved gratings" was invented by Scott M. DeLapp (San Diego) and Se Baek Oh (Hillsborough, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display may include a waveguide, a diffractive input coupler, and an output coupler. The input coupler may diffract image light into the waveguide. The output coupler may diffract the image light out of the waveguide and towards an eye box. The output coupler may include a first volume hologram with a first grating vector and a second volume hologram with a second grating vector. The first and second grating vectors may be oriented at the...