PORCELAIN ENAMELED SUBSTRATE FOR LIGHT-EMITTING DEVICE MOUNTING, LIGHT-EMITTING DEVICE MODULE, ILLUMINATING DEVICE, DISPLAY AND TRAFFIC SIGNAL DEVICE

摘要

An enamel substrate for mounting light emitting elements includes a core metal, an enamel layer that is covering on a surface of the core metal, and one or more through holes. In this enamel substrate for mounting light emitting elements, the core metal is exposed at inner surfaces of the through holes.