Source from : Chi Long Machinery Co., Ltd There are three kind methods of LED lamp heat-sink, incl. conduction, convection and radiation. The existed heat-sink design is focus on the conduction and convection for LED lamp.  In the radiation aspect, many companies did not pay attention on it.  But the radiation is a very important factor for LED lamp. The existed conduction heat-sink of LED lamp is just in view of the internal conduction only.  That is conducting the heat of LED lamp to the radiator fin and to apply the radiator fin to bring the...