Patent ID: 7683393
Filing Date: 2010-03-23
Classification: H01L,H05K

Abstract:
1. A wiring substrate for mounting a light emitting element, comprising: a substrate body comprising a plurality of insulating layers and having a first surface and a back surface; a cavity being opened into the first surface of said substrate body and having a mounting area for mounting a light emitting element at a bottom face of said cavity, said plurality of insulating layers being present between the first surface of the substrate body and the bottom of the cavity; at least one metallized layer surrounding said cavity, provided between adjacent ones of said plurality of insulating layers, and protruding into the substrate body between the first surface of the substrate body and the bottom of the cavity; and a metallized layer having first and second ends provided on a side face of said cavity and continuing to said at least one metallized layer protruding into the substrate body; wherein the at least one metallized layer protruding into the substrate body being connected to the end portion of the metallized layer provided on the side face of said cavity closest to the bottom of the cavity; wherein the metallized layer provided on the side face of said cavity continuously surrounds said cavity; and wherein the metallized layer provided on the side face of said cavity is separated from a metallized layer disposed on the bottom face of said cavity.