ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,210,151, issued on Jan. 28, was assigned to Envisics Ltd (Milton Keynes, Great Britain).

"Display device and system" was invented by Alexander Cole (Milton Keynes, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display device having a viewing window on a viewing plane is described. The display device comprises a picture generating unit, a first waveguide pupil expander and a second waveguide pupil expander. The picture generating unit is arranged to display a picture on a display plane. The picture is a holographic reconstruction formed from a hologram of the picture. The first waveguide pupil expander comprises an input port arranged to...