US Patent Issued to Dualitas on Aug. 18 for "Compact head-up display and pupil expander therefor" (British Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,644, issued on Aug. 18, was assigned to Dualitas Ltd (Milton Keynes, Great Britain).

"Compact head-up display and pupil expander therefor" was invented by Alexander Cole (Milton Keynes, Great Britain), Rakesh Maharjan (Milton Keynes, Great Britain), Neil Collings (Milton Keynes, Great Britain), Celedonia Krawczyk (Milton Keynes, Great Britain), Timothy Smeeton (Milton Keynes, Great Britain) and Yiren Xia (Milton Keynes, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A display system comprises a two-dimensional pupil expander. The pupil expander comprises a first replicator, a coupling element and a second replicator. The first replicat...