Nitride-Based LEDs With a Hybrid Al Mirror $+ {\hbox {TiO}} _{2} /{\hbox {SiO}}_{2}$ DBR Backside Reflector

Abstract

Nitride-based light-emitting diodes (LEDs) with a hybrid backside reflector combining a TiO2/SiO2 distributed Bragg reflector (DBR) and an Al mirror were proposed and realized. It was found that we can significantly enhance the 35% reflectivity of the 2-pair TiO2/SiO2 DBR to 94% by combining with Al mirror (hybrid reflector). Furthermore, reflectivity of… (More)

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