Thermal Effects on LED Lamp With Different Thermal Interface Materials

被引:28
|
作者
Tang, Yunqing [1 ]
Liu, Dongjing [1 ]
Yang, Haiying [2 ,3 ]
Yang, Ping [4 ]
机构
[1] Jiangsu Univ, Lab Adv Design Mfg & Reliabil MEMS NEMS ODES, Zhenjiang 212013, Peoples R China
[2] Jiangsu Univ, Lab Adv Design Mfg & Reliabil MEMS NEMS ODE, Zhenjiang 212013, Peoples R China
[3] Univ Calif San Diego, Mat Sci & Engn Program, La Jolla, CA 92093 USA
[4] Jiangsu Univ, Lab Adv Design Mfg & Reliabil MEMS NEMS ODES, Sch Mech Engn, Zhenjiang 212013, Peoples R China
关键词
Graphene; interface; light-emitting diode (LED) lamp; thermal property; GRAPHENE; SYSTEMS; DESIGN;
D O I
10.1109/TED.2016.2615882
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Thermal performances of light-emitting diode (LED) lamp with three types of thermal interface materials (TIMs) under different convection coefficients and input powers are investigated by using finite-element method. Three types of TIMs are conductive silver, Sn63Pb37 of tin alloy solder, and graphene in this paper. The results demonstrate that the temperature of the LED lamp decreases sharply using the interface material of graphene. With the increasing convection coefficient in a certain range, the junction temperature will be effectively decreased. When under high input powers, graphene has a much better performance than other two TIMs. It implies that graphene may be a possible potential for thermal design, which can effectively prolong the life of LED, especially for high power devices. The simulation offers a test of LED heat dissipation using different TIMs, and the results can provide a reference for the application of graphene in LED thermal design as TIMs and build a motivation for future material research directions. It builds a basis for progressive study of physical property for LED lamp. The obtained results may give insight to the reliability of the LED lamp.
引用
收藏
页码:4819 / 4824
页数:6
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