Patent ID: 7737461
Filing Date: 2010-06-15
Classification: C04B,H01L

Abstract:
1. A light-emitting element storing package comprising: an insulating substrate composed of a ceramic having board like configuration, a reflector frame composed of a ceramic material, joined to the upper surface of the substrate along its outer edge and having an inner wall surface defining a light-reflecting surface, a wiring pattern layer formed on the upper surface of the substrate for connection with a light-emitting element, and a light-emitting element storing concave portion, defined by the substrate and the reflector frame therebetween, in which the light-emitting element is mounted on the wiring pattern layer in the light-emitting element storing concave portion, wherein the reflector frame is composed of: 1) a white aluminum nitride ceramics obtained by sintering a composition comprising an aluminum nitride and a sintering additive consisting of a compound containing an alkaline earth metal, and the light-reflecting surface of the reflector frame is composed of the white aluminum nitride ceramics, or