Application

16841858 · METHOD FOR PRODUCING VAPOR DEPOSITION MASK, VAPOR DEPOSITION MASK PREPARATION BODY, METHOD FOR PRODUCING ORGANIC SEMICONDUCTOR ELEMENT, METHOD FOR PRODUCING ORGANIC EL DISPLAY, AND VAPOR DEPOSITION MASK

Filed 2020-04-07 · Granted · Patent 10873029 (2020-12-22) The official file ↗The patent and its PDF ↗ · Art unit 2813 · Examiner David S Blum Easy · CPC H10K 71/166 · Dai Nippon Printing Co., Ltd. · Muncy, Geissler, Olds & Lowe, P.C.