ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,871, issued on Nov. 4, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Method for manufacturing a colour-conversion optoelectronic device, including a step of polarising an electret layer in a localised manner by means of the upper electrodes of the diodes" was invented by Francois Templier (Grenoble, France), Stephane Altazin (Grenoble, France), Aurelien Suhm (Grenoble, France), Jeremy Bilde (Grenoble, France) and Etienne Quesnel (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing an optoelectronic device including an array of diodes and an array of colour conversion po...