Patent ID: 9549458
Date: 2017-01-17
CPC Classifications: H01L,H05K

Claim:
1. A radiant heat circuit board for mounting a plurality of heat generating devices, the radiant heat circuit board comprising: a metal plate comprising a metal projection to which the plurality of heat generating devices is attached; an insulation layer exposing the metal projection, the insulation layer being disposed on the metal plate; and a plurality of electrode pads disposed on the insulation layer, the plurality of electrode pads applying a voltage to each of the heat generating devices; wherein the plurality of heat generating devices is attached to the metal projection; wherein each of the plurality of electrode pads comprises: a first electrode pad disposed on one side of the metal projection and receiving a first voltage; and a second electrode pad separated from the first electrode pad, receiving a second voltage and disposed on the one side of the metal projection with the first electrode pad.