ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,688, issued on Nov. 11, was assigned to Authentix Inc. (Addison, Texas).
"Optical diffractive display" was invented by Milad Khoshnegar Shahrestani (Coquitlam, Canada) and Clinton K. Landrock (North Vancouver, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A diffractive display for displaying multiple images, each at a unique view zone, includes multiple micro-pixels, each having micro-facets, each micro-facet having a surface normal non-parallel to the surface normal of other micro-facets of the micro-pixel, each micro-facet having a diffractive nano-structure array. Each diffractive nano-structure array has a viewing angle at which incident...