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Luminous Flux Measurement

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Luminous Flux Measurement

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LEDs are used in various applications such as luminaries. In order to meet the performance such as brightness, color, etc. desired for the chosen application, suitable product design and evaluation should be selected. Measurement plays an important role in evaluating product performance. Measurement is fundamental to manufacturing activities because quantitative evaluation can be achieved only by quantifying the product performance through measurement. However, the actual values obtained from measurement vary depending on various factors such as measurement methods, equipment, and environments. In order to perform a highly accurate measurement, it is necessary to fully understand the measurement concept together with the characteristics of LEDs. This application note explains luminous flux measurement that is generally used to evaluate LEDs, the precautions, and the traceability system.

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