Determining Phosphor Temperature in Light-Emitting Diode Based on Divisional Normalized Emission Power

Yi Lin,Jia-En Huang,Yang Gao,Yu-Lin Gao,Guo-Long Chen,Chen Yang,Zhi-Hui Li,Shuo-Di Lei,Yu-Jiao Ruan,Pin-Chun Kang,Jie Chen,Li-Hong Zhu,Yi-Jun Lu,Zi-Quan Guo,Zhong Chen

IEEE Electron Device Letters（2019）

引用 6|浏览57

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摘要

We propose a non-contact method for determining phosphor/silicone temperature (phosphor temperature) in phosphor-coated light-emitting diode (pc-LED). The pc-LED with a surface mounted device (SMD) structure is primarily consisted of InGaN/GaN blue LED chip, (Sr,Ca)AlSiN3:Eu2+ red rare-earth phosphor, and transparent dimethyl silicone. This proposed method is basically based on a linear temperatur...

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关键词

Temperature measurement,Phosphors,Current measurement,Light emitting diodes,Heating systems,Temperature dependence,Calibration

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