Is led a cold light or a warm light source?
If not timely export too much heat radiation, LED chip <br / working temperature exceeds 70 degrees Celsius will quickly decay even burned.
Quality answerLED is the principle of solid state luminescence. The efficiency of electro-optical power conversion is about thirty percent, and the remaining seventy percent of electric energy can be converted into heat energy.
Because the LED chip operating temperature can not exceed 70 degrees, so high-power LED lantern with various methods of heat conduction and heat dissipation, we touch the LED lamp shell, the temperature is generally below 50 degrees celsius. It's a cold light source, rather than a traditional incandescent bulb that can't be touched by hand.
