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Proceedings Paper

Outcoupling efficiency in small-molecule OLEDs: from theory to experiment
Author(s): Mauro Furno; Rico Meerheim; Michael Thomschke; Simone Hofmann; Björn Lüssem; Karl Leo
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Paper Abstract

The extraction of the luminous power internally generated by organic light emitting diodes (OLEDs) is still the most severe limitation in the overall efficiency of these devices. We present a joint theoretical and experimental study aimed to quantitatively evaluate the light outcoupling limitations of planar p-i-n type small-molecule OLEDs, both in bottom and top emitting configuration. We discuss the physical origin of these limitations by analyzing internal optical losses and overall light conversion efficiency in OLEDs.

Paper Details

Date Published: 12 February 2010
PDF: 12 pages
Proc. SPIE 7617, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XIV, 761716 (12 February 2010); doi: 10.1117/12.840043
Show Author Affiliations
Mauro Furno, Technische Univ. Dresden (Germany)
Rico Meerheim, Technische Univ. Dresden (Germany)
Michael Thomschke, Technische Univ. Dresden (Germany)
Simone Hofmann, Technische Univ. Dresden (Germany)
Björn Lüssem, Technische Univ. Dresden (Germany)
Karl Leo, Technische Univ. Dresden (Germany)


Published in SPIE Proceedings Vol. 7617:
Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XIV
Klaus P. Streubel; Heonsu Jeon; Li-Wei Tu; Norbert Linder, Editor(s)

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