Hexatech-Tokuyama UV-C LEDs announcement a promising validation for AlN, although cost issues still remain

Hexatech (see the June 20, 2012 LREEJ) recently announced results of its ongoing ultraviolet light-emitting diode (UV-LEDs) collaboration with Tokuyama – the partners claim they have produced UV-C LEDs with power output of 28 mW on a die measuring 400 μm x 600 μm with internal quantum efficiency (IQ...

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