Visible Light from Semiconductors: Luminescence from p-n junctions and potential uses of solid state light sources are discussed.

Abstract

Electroluminescence from semiconductor diode light sources can occur as a result of the application of a direct current at a low voltage to a suitably doped crystal containing a p-n junction. In recent years, it has become apparent that in some materials the efficiency of conversion of electric energy to visible light can be appreciably high. Since light… (More)

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