December 3, 2021



Nitride continues enforcement against infringement of UV-LED patent

On 18 February, Japan’s Nitride Semiconductors Co Ltd (which was spun off from Tokushima University in 2000 and claims to have developed the first highly efficient ultraviolet light-emitting diode) filed a complaint against global electrical components distributor Digi-Key Corp in the US District Court for the District of Minnesota, asserting that UV-LED products being supplied by various LED companies – such as American Opto Plus LED Corp, Crystal IS Inc, Kingbright Electronic Co Ltd and QT-Brightek Corp – have been infringing its UV-LED patent. In an earlier-filed patent litigation against Digikey, Nitride has already accused patent infringement against UV-LED products of Luminus Device Inc and Lite-On Semiconductor Corp…