| 结温对LED的影响及温控技术的研究 |
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| 引用本文： | 栗红霞,庞保堂. 结温对LED的影响及温控技术的研究[J]. 现代显示, 2011, 0(7): 46-49 |
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| 作者姓名： | 栗红霞 庞保堂 |
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| 作者单位： | 黄河科技学院,河南郑州,450063 |
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| 摘 要： | 不断地提高LED的输入功率与发光效率是实现通用照明的必由之路。大量实践表明,LED不能加大输入功率的基本原因,是由于LED在工作过程中会放出大量的热,使管芯结温迅速上升,输入功率越高,发热效应越大。温度的升高将导致器件性能的变化与衰减,甚至失效。文章就功率器件中的升温效应对性能的影响及如何减小这种升温效应的途径作一些简明的讨论。
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| 关 键 词： | 结温 发光效率 衰减 升温效应 |
The Research of the Influence of Temperature on LED and Control Technology |
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| LI Hong-xia,PANG Bao-tang. The Research of the Influence of Temperature on LED and Control Technology[J]. Advanced Display, 2011, 0(7): 46-49 |
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| Authors: | LI Hong-xia PANG Bao-tang |
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| Affiliation: | LI Hong-xia,PANG Bao-tang(HUANGHE S&T COLLEGE,Zhengzhou Henan 450063,China) |
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| Abstract: | Improving the input power and LED the luminous efficiency is the only way to realize general lighting.A lot of practice shows that the basic reasons why leds can＇t increase input power,is due in working process LED will release a lot of heat,which makes t |
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| Keywords: | junction temperature the luminous efficiency attenuation warming effect |
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