Lifetime prediction of a multi-chip high-power LED light source based on artificial neural networks

Hongwei Liu,Dandan Yu,Pingjuan Niu,Zanyun Zhang,Kai Guo,Di Wang,Jianxin Zhang,Xin Ma, Chengkui Jia,Chaoyu Wu

Results in Physics（2019）

引用 16|浏览12

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摘要

A high power light-emitting diodes (LED) light source, which is assembled by many LED chips and heat sink, has a not uniform temperature distribution at working condition. Analysis and prediction of a high-power LED system lifetime are complicated and time-consuming.

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关键词

Artificial neural network (ANN),Light-emitting diodes (LED),Lifetime prediction,Photo-electro-thermal (PET) multiphysics coupling

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