ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,975, issued on Sept. 30, was assigned to PURELIFI Ltd. (Edinburgh, Great Britain).
"Display apparatus" was invented by Dobroslav Tsonev (Edinburgh, Great Britain), Istvan P. B. Csajaghy (Edinburgh, Great Britain), Duncan John William Walker (Edinburgh, Great Britain), Ivan Alf Karlsson (Edinburgh, Great Britain) and Artur Witold Wieczorek (Edinburgh, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A display apparatus comprises an at least partially transparent display, the display configured to generate light to form an image for display to a user positioned in front of the display, and at least one of light-transmitting device or ligh...