12 January 2018 The measurement of luminous flux for single LEDs
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Abstract
The total luminous flux is one of the most important characteristics of a LED. According to the CIE standard, the luminous flux for LEDs can be measured by an integrating sphere equipped with a spectroradiometer. The luminous flux of LEDs has been measured in the 4π geometry, which is suitable for LEDs with different luminous intensity distributions. The results between NIM and SIMT validate our calibration ability. The experiments indicate that the standard LEDs and the measurement repeatability play important roles in the uncertainty analysis.
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Tiecheng Li, Tiecheng Li, Jiangang Zhu, Jiangang Zhu, Muyao Ji, Muyao Ji, Fangsheng Lin, Fangsheng Lin, Biyong Huang, Biyong Huang, Lei Lai, Lei Lai, Leibing Shi, Leibing Shi, Ming Xia, Ming Xia, "The measurement of luminous flux for single LEDs", Proc. SPIE 10621, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 1062120 (12 January 2018); doi: 10.1117/12.2295606; https://doi.org/10.1117/12.2295606
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