摘要
介绍了LED模块热测试方法的现状,分析了国内相关标准中的热特性测量的要求及测量方法的原理和步骤.通过实验,找出了LED不同的工作特性与其光通输出的关系,结合LED模块热测试中的函数方程关系,对热特性测量步骤中可能出现的问题进行讨论,并提出改进,为准确测量LED模块的性能和保证检测的重现性提供了帮助.
This article introduced the present situation of the LED module hot test method, and analyzed the requirements of thermal characteristics measurement in the relevant standards of China, the principles and the steps of the measuring techniques. By means of the experiments, test, the relationship between the different LED working characteristics and its luminous flux outputs is found out, and combining with the functional equation relations in the LED module hot test, the pi'oblems possibly appearing in the steps of thermal characteristics measurementare discussed, and their corresponding improvements are proposed which offers a help for the accurate survey of LED module perfoimance and the guarantee of examination reproducibihy.
出处
《南京师范大学学报(工程技术版)》
CAS
2013年第2期18-21,共4页
Journal of Nanjing Normal University(Engineering and Technology Edition)
关键词
LED模块
热测试方法
标准
热测量步骤
LED modules, hot test method, standard, hot measurement step