导热涂层对LED散热性能的影响

Effect of Thermal Conductive Coating on Thermolysis Property of LED

研究了导热涂层对不同发光颜色、不同封装数量的水下密闭环境下应用的发光二极管(LED)散热情况的影响,结果表明:红色LED的温度上升最慢,蓝色次之,绿色LED的温度上升最快;封装数量越多,LED的温升越快;在LED系统集成电路板上加入导热涂层能提高其散热效率,高导热率涂层的散热效果优于低导热率涂层。

The effect of thermal conductive coating on the thermolysis property of LED lamps with different color and packing number used in a close under-water environment was studied. Experiment result shows that under the same situation the temperature of red LED lamps increases the slowest, then blue lamps, and that of the green lamps increases the fastest; the more the packing number, the quicker of the temperatures of LED lamps increase; the thermal conductive coating used on LED integrated circuit board can increase the thermolysis efficiency of LED. The coating with higher thermal conductivity shows a better thermolysis property. The obtained data can offer a reference for thermal conductive coating thin films applied in LED packing.