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关于荧光粉转换 LED 中颜色转换元件内部温度分布的确定。

On the determination of the temperature distribution within the color conversion elements of phosphor converted LEDs.

机构信息

Institute of Surface Technologies and Photonics, JOANNEUM RESEARCH Forschungsgesm.b.H., Franz-Pichler-Straße 30, A-8160, Weiz, Austria.

Institute of Sensor & Actuator Systems, TU Wien, Gusshausstraße 27-29, A-1040, Vienna, Austria.

出版信息

Sci Rep. 2017 Aug 30;7(1):9964. doi: 10.1038/s41598-017-10114-6.

DOI:10.1038/s41598-017-10114-6
PMID:28855702
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5577217/
Abstract

We present an iterative optical and thermal simulation procedure which enables the determination of the temperature distribution in the phosphor layer of a phosphor converted LED with good accuracy. Using the simulation both the highest phosphor temperatures, which are mostly relevant to material degradation as well as the temperatures of those phosphor particles which mainly contribute to converted light emission can be determined. We compare the simulations with experimental studies on the phosphor temperature. While infrared thermography only gives information on the phosphor layer surface temperature, phosphor thermometry provides temperature data on the volume temperature of the phosphor layer relevant to color conversion.

摘要

我们提出了一种迭代的光学和热学模拟程序，能够准确地确定荧光粉转换 LED 中荧光粉层的温度分布。通过模拟，可以确定对材料降解最相关的最高荧光粉温度以及对转换光发射贡献最大的那些荧光粉颗粒的温度。我们将模拟结果与荧光粉温度的实验研究进行了比较。虽然红外热成像仅提供关于荧光粉层表面温度的信息，但荧光粉测温法提供了与颜色转换相关的荧光粉层体温度的温度数据。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/481e94fb78f9/41598_2017_10114_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/12f153ec7183/41598_2017_10114_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/6358dc6d371d/41598_2017_10114_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/445a0fb412a6/41598_2017_10114_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/d8b5b6d90941/41598_2017_10114_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/988995b4f7c8/41598_2017_10114_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/4fa27750d428/41598_2017_10114_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/6162e896384c/41598_2017_10114_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/481e94fb78f9/41598_2017_10114_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/12f153ec7183/41598_2017_10114_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/6358dc6d371d/41598_2017_10114_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/445a0fb412a6/41598_2017_10114_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/d8b5b6d90941/41598_2017_10114_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/988995b4f7c8/41598_2017_10114_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/4fa27750d428/41598_2017_10114_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/6162e896384c/41598_2017_10114_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/31f9/5577217/481e94fb78f9/41598_2017_10114_Fig8_HTML.jpg

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