US Patent Issued to Envisics on May 5 for "Compact head-up display and waveguide therefor" (British Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,619,077, issued on May 5, was assigned to Envisics Ltd. (Milton Keynes, Great Britain).

"Compact head-up display and waveguide therefor" was invented by Ruisheng Lin (Milton Keynes, Great Britain), Timothy Smeeton (Milton Keynes, Great Britain), Yiren Xia (Milton Keynes, Great Britain) and Jamieson Christmas (Milton Keynes, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display system comprises a waveguide forming a pupil expander. The waveguide comprises a pair of opposing surfaces arranged to guide a diffracted light field therebetween by internal reflection. An input port of the waveguide is arranged to receive light from a display syst...