III–Nitride-Based Microarray Light-Emitting Diodes with Enhanced Light Extraction Efficiency

Abstract

In this paper, the enhancement of light extraction efficiency in III–nitride-based light-emitting diodes (LEDs) with an array of microstructures is demonstrated numerically and experimentally at the near-ultraviolet (n-UV) spectral region. Two different microstructures are adopted to study the mechanism, including the shallow etching of microstructures on… (More)

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