ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,392,942, issued on Aug. 19, was assigned to VALEO COMFORT AND DRIVING ASSISTANCE (Creteil, France).
"Display unit" was invented by Pierre Mermillod (Creteil, France), Thomas Avisse (Creteil, France) and Pierre-Alain Tremblin (Creteil, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a display device (1) comprising: -a light source (20) designed to generate a source light beam (S) extending over a predetermined wavelength range; -a diffractive optical element (40), the operating range of which is adapted to said wavelength range and which is arranged to receive said source light beam (S) and to transmit an image light beam (...