Motion sensors can be built into individual luminaires or installed remotely to detect surrounding persons or objects. LED luminaires with inbuilt sensors are becoming increasingly popular and readily ...
CEA-Leti revealed GaN micro-LED displays incorporating an array of organic photodetectors. “MicroLED’s high radiance allows us to free up space on the display panel to incorporate photodetectors,” ...
Figure 1a shows a slotted optical switch. An LED is mounted in a plastic housing, facing a phototransistor, but separated by a gap. If something moves into the gap, it blocks the light path between ...
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