摘要
叙述了利用动态电学测试方法测量高功率LED热阻和结温的原理、试验装置、测量步骤和影响测试结果的因素。研究结果表明,该方法具有测试结构简单、稳定性高等特点,可作为高功率LED热阻和结温的标准测试方法。
The maesurement principle and procedure based on the electrical measurement method for thermal resistance and junction temperature of high power LED and the factors which influence measuring results are investigated.At the same time we design the setup of the test system for the measuring of thermal resistance.The experimental results show that the metod has the advantages of simple structure and good stability,and it can be performed to measure thermal resistance and junction temperature of high power LED as standard measurement method.
出处
《光学仪器》
2005年第2期13-17,共5页
Optical Instruments
关键词
高功率LED
热阻
结温
high power LED
thermal resistance
junction temperature
