Patent ID: 8723214
Filing Date: 2014-05-13
Classification: H01L

Abstract:
1. A submount, disposed on a circuit board, at least a semiconductor die mounted on the submount, and the submount comprising: a substrate, the substrate made of a conductive material or a semiconducting material, a surface of the substrate comprising a die-mounting area and a plurality of conductive areas; a plurality of conductive film patterns, each conductive film pattern being disposed in one respective conductive area; and an insulating film pattern, the insulating film pattern located between the conductive film patterns and the substrate, and the insulating film pattern being not disposed in the die-mounting area, wherein the semiconductor die is mounted on the die-mounting area, and is electrically connected with the conductive film patterns, a plurality of through holes is formed in the substrate, the through holes are passed through the substrate and formed in the respective conductive areas, the conductive films and the insulating film pattern are disposed on the side walls of the through holes, and the submount is electrically connected with the circuit board by using the surface mounting technology, the semiconductor die is a light emitting diode, the conductive areas comprise a first conductive area and a second conductive area, the conductive film patterns comprise a first conductive film pattern and a second conductive film pattern, the first conductive film pattern and the second conductive film pattern are each disposed on the first conductive area and the second conductive area, respectively, and the first conductive film pattern and the second conductive film pattern are not in contact with each other, the substrate further comprises a cavity, the cavity is located in the die-mounting area and formed integrally on the substrate, and the semiconductor die is located in the cavity.