Compact IRLEDs enable face recognition in mobile devices

Two infrared LEDs (IREDs) from ams Osram now not only enable user identification via facial recognition in laptops, but also slim displays because, with a lens, they measure 1.6 mm x 1.6 mm x 1.71 mm. ams Osram offers the IREDs in two wavelengths – 850 nanometers (SFH 4171S) and a 940 nanometer version (SFH ...

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