US Patent Issued to Apple on Nov. 18 for "Display devices having grating substrates with sub-wavelength patterns" (California, Colorado Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,585, issued on Nov. 18, was assigned to Apple Inc. (Cupertino, Calif.).

"Display devices having grating substrates with sub-wavelength patterns" was invented by Jian Gao (Fremont, Calif.), Ligang Wang (San Jose, Calif.), Byron R Cocilovo (Boulder, Colo.), Francesco Aieta (Alameda, Calif.), Brandon Born (Sunnyvale, Calif.), Se Baek Oh (Hillsborough, Calif.), Graham B Myhre (Campbell, Calif.) and Zhibing Ge (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display may include a waveguide, an input coupler having a first surface relief grating (SRG) in a substrate on the waveguide, a cross-coupler having a second SRG in the substrate,...