ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,888, issued on April 7, was assigned to Plessey Semiconductors Ltd. (Plymouth, Great Britain).
"Tuneable sub-pixel" was invented by Steven Ramos Carneiro (Plymouth, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device having a pixel comprising a first non-tuneable sub-pixel configured to emit light at a first non-tuneable wavelength and a tuneable sub-pixel configured to emit light at a tuneable wavelength. The tuneable sub-pixel comprises a primary light-emitting material configured to emit light at a primary wavelength in response to a primary electrical input; and a tuning element configured to modify the primary w...