Efficiency droop in III-nitride LEDs: Overview and carrier lifetime analysis

Abstract

Gallium Nitride based light-emitting diodes (LEDs) are on the verge of enabling mainstream solid-state lighting. Their efficiency, however, is limited by a phenomenon known as droop which quenches internal quantum efficiency at high current density. We will review recent experimental results characterizing droop, and compare them to the various theories… (More)

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