| 摘要 |
The present invention provides a lamp comprising a substrate composed of a base substrate and a covering member which are made of an inorganic insulator and are joined through a joining metal layer; and a semiconductor light emitting device mounted on said substrate, wherein a concave portion is provided in a covering member-side surface of said substrate, said semiconductor light emitting device is accommodated in said concave portion, an end face of said metal layer is positioned on a region of the lateral surface of said concave portion which faces said semiconductor light emitting device, and a light reflection portion, which reflects light emitted from said semiconductor light emitting device, is composed of said end face. |
