US Patent Issued to Apple on Sept. 8 for "Waveguide display with total internal reflection band between color channels" (Colorado, California Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,266, issued on Sept. 8, was assigned to Apple Inc. (Cupertino, Calif.).

"Waveguide display with total internal reflection band between color channels" was invented by Jong Young Hong (Boulder, Colo.), Lai Wang (Scotts Valley, Calif.), Byron R Cocilovo (Boulder, Colo.) and Friso Schlottau (Mead, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display may include a waveguide having a grating medium sandwiched between first and second substrates. A cross-coupler can direct light in the waveguide towards an output coupler. The output coupler may include volume holograms in the medium. The output coupler may couple the light out of the waveguide a...