A. Herrmann, S. Erich, L. V. Ven, W. V. van Driel, M. van Soestbergen, A. Mavinkurve, F. de Buyl, O. Adan
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Understanding the transport phenomena leading to tarnishing of the reflecting silver layer causing reduced light output of LEDs
Tarnishing of the reflective silver layer in LED packages is an important failure mechanism, leading to both a decrease in luminous flux by up to 75% and a change in color spectrum.