ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,563, issued on Dec. 16.
"Optical systems having edge-coupled media layers" was invented by Friso Schlottau (Mead, Colo.), Byron R. Cocilovo (Boulder, Colo.) and Jonathan B. Pfeiffer (Lafayette, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The display may include a waveguide that directs light towards an eye box. The waveguide may include first and second media layers that are edge-coupled at an interface. The first media layer may include a louvered mirror cross-coupler that redirects the light towards the second media layer. The second media layer may include a volume hologram output coupler that couples the light out of the waveguide. Addi...