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The dark side of LEDs (en)

Contents: What is LED? ++ What is Forward Voltage ++ Advantage of LED ++ Specification of LED ++ Intensity rank ++ Correlated Color Temperature (CCT)

Presentation at the Machine Vision Technology Forum 3rd/4th November 2015 in Unterschleißheim (Germany)
Presenter: Kazuhiro Umeda (CCS Europe)

What are the concerns when using LEDs for making machine vision lights? LEDs have made a significant appearance in machine vision systems and while the technology’s strengths outweigh its inherent weaknesses, it is a challenge to have the LED light perform a stable and reliable output. It requires some special attention in the LED selection, design and manufacturing process. How to cope with LED variety, why sorting, and why taking the necessary steps in heat management?