Patent ID: 9722157
Date: 2017-08-01
CPC Classifications: H01L

Claim:
1. An LED module comprising: a plurality of LED units each including an LED chip; a case including a main body made of a ceramic material, a plurality of element pads for mounting the plurality of LED units and a reflector, the main body having an obverse surface and a reverse surface, the plurality of element pads being disposed on the obverse surface, the reflector being formed on the main body and surrounding the plurality of LED units; first, second, third, and fourth wire bonding pads, each spaced apart from any of the plurality of element pads and the plurality of LED units as viewed in plan, first, second, third, and fourth wires bonded to the first, the second, the third, and the fourth wire bonding pads, respectively, wherein the case further comprises at least one mounting electrode provided on an opposite side from the plurality of element pads and disposed on the reverse surface, the main body of the case is formed with a through-hole including a first opening formed in the obverse surface and a second opening formed in the reverse surface, at least a part of one of the plurality of element pads being disposed directly above the first opening, at least a part of the at least one mounting electrode being disposed directly below the second opening, the first opening of the through-hole overlaps with one of the plurality of LED units as viewed in a thickness direction of the main body, the first opening being smaller in area than the one of the plurality of LED units as viewed in the thickness direction, and the first wire extends from the first wire bonding pad toward the second wire bonding pad as viewed in plan, the second wire extends from the second wire bonding pad toward the first wire bonding pad as viewed in plan, the third wire extends from the third wire bonding pad toward the fourth wire bonding pad as viewed in plan, and the fourth wire extends from the fourth wire bonding pad toward the third wire bonding pad as viewed in plan.