ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,806, issued on April 29, was assigned to FORSCHUNGSZENTRUM JULICH GMBH (Germany).
"Electroluminescent ceramic materials" was invented by Apurv Dash (Julich, Germany), Robert Mucke (Linnich, Germany) and Olivier Guillon (Julich, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a device for generating light and to a use of a component for emitting light is disclosed. In a method for generating light, a component comprising a first material from the group of cuprates is subjected to an electric voltage and/or an electric field at a temperature T below 0deg C. such that the component emits light. In this way, a light generation is prov...