朱简约,李乐天,陈乾

• 1:东南大学物理国家级实验教学示范中心
• 2:南京师范大学附属中学江宁分校
• 3:东南大学吴健雄学院

摘要(Abstract)：

本文利用东南大学自主研发的LED热学特性实验仪,通过脉冲电流法对常见的大功率白光LED灯珠的结温和器件表面温度进行了测量,深入研究了LED灯在升温和降温过程中温度的变化规律,并给出了结温和表面温度的定量关系。一方面,该工作对工程技术领域中的相关研究有一定的实际意义;另一方面,该课题实验内容能帮助学生理解与PN结和LED相关的物理概念和基本原理,使他们体会到物理与现代工程技术的密切联系,从而激发学生对实验物理的兴趣。

关键词(KeyWords)： 发光二极管;PN结;结温;表面温度;脉冲电流法

Abstract:

Keywords:

基金项目(Foundation): 江苏省高等教育学会高校实验室研究委员会资助项目(GS2015YB21);; 教育部高等学校物理学类专业教学指导委员会资助项目(01-201601-35)

作者(Author): 朱简约,李乐天,陈乾

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