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Proceedings Paper

Simulation of advanced OLED light extraction structures with novel FEM methods
Author(s): Lin Zschiedrich; Therese Blome; Horst J. Greiner
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Paper Abstract

We present novel numerical techniques for the simulation of the light outcoupling from state of the art organic light-emitting diodes (OLED). For the spatial discretization we use the finite element method which we apply in the frequency domain. To account for the large horizontal extension of the OLED we apply a recently proposed approach based on the Floquet transform which allows to restrict the calculations to the unit cell of a (quasi) periodic structure. Optically thick layers are efficiently treated by a plane wave expansion which we combine with the Finite Element Method by the domain decomposition method. We benchmark the new simulation tools for highly efficient state of the art OLED light extraction structures.

Paper Details

Date Published: 1 May 2014
PDF: 11 pages
Proc. SPIE 9137, Organic Photonics VI, 91370O (1 May 2014); doi: 10.1117/12.2054146
Show Author Affiliations
Lin Zschiedrich, JCMwave GmbH (Germany)
Therese Blome, Zuse-Institut Berlin (Germany)
Horst J. Greiner, Philips Technologie GmbH (Germany)

Published in SPIE Proceedings Vol. 9137:
Organic Photonics VI
Barry P. Rand; Chihaya Adachi; David Cheyns; Volker van Elsbergen, Editor(s)

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