On-Line Monitoring of Photometric, Colorimetric, Electrical and Thermal Parameters during LED Accelerated Life Testing

DOI

10.2991/amsee-16.2016.44How to use a DOI?

Keywords

photometric-colorimetric-electrical-thermal on-line measurement accelerated life test led

Abstract

In practice, one can get luminous flux parameter of LED by off-line measurement method and make prediction of the LED module's service life time. But the prediction results only focus on LED luminous flux, meanwhile colorimetric and thermal characteristics are not involved. Towards to the disadvantage of present LED life time test which only pay attention to the decay of emitting device's luminous flux and efficacy, this paper introduces a kind of innovative LED accelerated life test system and method. During the test, the system can load temperature, humidity, vibration, current and other stress to LED modules in the same time, meanwhile the system can also measure photometric, colorimetric, electrical and thermal parameters of LED modules at the real time of accelerated life test. One can make pre-judgment to the reliability and failure mode of LED module according the variation trend of photometric, colorimetric, electrical and thermal parameters.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Lin Zhou
AU  - Yimin Hu
AU  - Wenpeng Xiao
AU  - Minggao Cao
AU  - Hailin Wu
AU  - Bing Zhang
AU  - Gang Jing
AU  - Yan Liu
PY  - 2016/04
DA  - 2016/04
TI  - On-Line Monitoring of Photometric, Colorimetric, Electrical and Thermal Parameters during LED Accelerated Life Testing
BT  - Proceedings of the 2016 International Conference on Advanced Materials Science and Environmental Engineering
PB  - Atlantis Press
SP  - 162
EP  - 164
SN  - 2352-5401
UR  - https://doi.org/10.2991/amsee-16.2016.44
DO  - 10.2991/amsee-16.2016.44
ID  - Zhou2016/04
ER  -