ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,537, issued on Aug. 5, was assigned to Apple Inc. (Cupertino, Calif.).
"Optical systems with artifact blocking structures" was invented by Di Hu (Mountain View, Calif.), Hyungryul Choi (San Jose, Calif.), Jaebum Chung (Mountain View, Calif.), Byron R Cocilovo (Boulder, Colo.), Jian Gao (Fremont, Calif.) and Ligang Wang (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device may include a display with a waveguide and a surface relief grating (SRG) on the waveguide. The SRG may direct image light towards an eye box. An optical blocker may at least partially overlap the SRG. The blocker may include a first optical wedge hav...