Research on Testing System for Three-dimensional Distribution of Luminous Intensity of LED

Research on Testing System for Three-dimensional Distribution of Luminous Intensity of LED

In terms of asymmetrical three-dimensional distribution（ID） of luminous intensity（LI） of lightemitting-diode（LED）, a testing system was conducted in this study. Design and principle of the testing system were introduced. 31 photometers were placed on a concentric circle, and all of them were used to...

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Veröffentlicht in:Semiconductor photonics and technology 2009, Vol.15 (2), p.97-100
1. Verfasser: FENG Jin-yuan LIN Xue-qin FU Zhi-xin DENG Jian-qiang
Format: Artikel
Sprache:eng
Schlagworte:
LED
三维分布
发光二极管
发光强度
工业生产
数据采集卡
测试系统
非对称
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creator FENG Jin-yuan LIN Xue-qin FU Zhi-xin DENG Jian-qiang
description In terms of asymmetrical three-dimensional distribution（ID） of luminous intensity（LI） of lightemitting-diode（LED）, a testing system was conducted in this study. Design and principle of the testing system were introduced. 31 photometers were placed on a concentric circle, and all of them were used to gather LI data of LED at the same time. The data acquisition card（DAC） was used to gather multichannel data and controlled motor. Experimental results indicated that the testing system had achieved the goal of testing threedimensional distribution of LI. And each parameter could meet the requirements of industrial production and measurement.
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subjects LED
三维分布
发光二极管
发光强度
工业生产
数据采集卡
测试系统
非对称
title Research on Testing System for Three-dimensional Distribution of Luminous Intensity of LED
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