The dark side of LEDs (en)
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?