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

摘要

Disclosed is a porcelain enameled substrate for light-emitting device mounting which comprises a core metal, a porcelain enamel layer covering the surface of the core metal, and one or more through holes. The core metal is exposed at the inner surfaces of the through holes.