ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,452, issued on June 24, was assigned to GOOGLE LLC (Mountain View, Calif.).
"Holographic waveguide" was invented by Jackie Lynn Mills (Waterloo, Canada), Shreyas Potnis (Waterloo, Canada), Timothy Paul Bodiya (Toronto) and Stefan Alexander (Elmira, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waveguide including at least a first photopolymer layer and a second photopolymer layer having a barrier layer therebetween and a first transparent layer and second transparent layer overlaying the first and second photopolymer layers, respectively. The waveguide can further include at least one holographic incoupler and at least one holographic outc...