ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,393,066, issued on Aug. 19, was assigned to REALD SPARK LLC (Boulder, Colo.).
"Privacy displays" was invented by Michael G Robinson (Boulder, Colo.), Graham J. Woodgate (Henley-on-Thames, Great Britain), Jonathan Harrold (Leamington Spa, Great Britain) and Ben Ihas (Boulder, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A switchable privacy display device comprises a spatial light modulator comprising an in-plane display polariser, an out-of-plane polariser and a polarisation switch arranged between the in-plane display polariser and the out-of-plane polariser. The display achieves high image visibility to an off-axis user in a wide-angle mode an...