ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,408,509, issued on Sept. 2, was assigned to MICROOLED (Grenoble, France) and COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Optoelectronic device and manufacturing method for an optoelectronic device" was invented by Gunther Haas (St Egreve, France), Benoit Dugrenil (Grenoble, France), Sebastien Guillamet (Lyons, France), Myriam Tournaire (Grenoble, France) and Tony Maindron (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optoelectronic device that includes a substrate and a stack of organic layers that has at least one active layer arranged between a reflective surface and a semi-reflective surface arranged...