Improvement of vertical light extraction from GaN-based LEDs on moth-eye patterned sapphire substrates

A newly developed moth‐eye patterned sapphire substrate (MPSS) technology increased light extraction efficiency (LEE) in the vertical direction in nitride‐based blue light emitting diodes (LEDs). MPSS is characterized by a submicron‐scale periodical structure that exerts the Bragg diffraction effect...

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Veröffentlicht in:	Physica status solidi. A, Applications and materials science Applications and materials science, 2015-05, Vol.212 (5), p.935-940
Hauptverfasser:	Ohya, Masaki, Naniwae, Koichi, Kondo, Toshiyuki, Suzuki, Atsushi, Mori, Midori, Kitano, Tsukasa, Usui, Akane, Kamiyama, Satoshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Diffraction Electron microscopes Extraction Gallium nitrides GaN Light emitting diodes light extraction Optimization patterning Sapphire Scanning electron microscopy Simulation substrates
Online-Zugang:	Volltext
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