Analysis of efficiency characteristics of green phosphorescent organic light-emitting devices

Efficiency characteristics of green phosphorescent organic light-emitting devices (PHOLEDs) with different host materials and device structures were investigated by examining the luminance efficiency-current density curves and electroluminescence spectra. The efficiency of PHOLEDs at low current den...

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Veröffentlicht in:	Applied physics letters 2008-11, Vol.93 (19), p.193303-193303-3
Hauptverfasser:	Yoon, Ji-hwan, Park, Il-soo
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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