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Fraunhofer develops QD-LEDs

Quantum dot LEDs, QD-LEDs for short, combine the advantages of organic light-emitting diodes with the outstanding luminous properties of the quantum dots. The emission spectra are very narrow band. As a result, the colors look extremely bright. In addition, the low cost manufacturing makes QD-LEDs very attractive for the display market. So far, existing cadmium-based quantum dots are not future-proof, since the use of cadmium in display production is only possible to a very limited extent from 2020 on, according to the RoHS directive.

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