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Proceedings Paper

Carrier transport mechanisms in organic electroluminescent devices
Author(s): Jun Shen; Ji-Hai Xu; Jie Yang; Franky So; H.-C. Lee
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Paper Abstract

The current-voltage relationships in organic electroluminescent devices are derived for the following two cases: (1) double-carrier injection trap-charge limited (TCL) regime, and (2) TCL conduction with internal photodetrapping. Several experimental observations are explained based on our equations. Location of the recombination zone is predicted. A numerical model is also developed to simulate the TCL conduction. Current-voltage characteristics, band and charge profiles are obtained to elucidate the conduction mechanism in the organic electroluminescent devices with large trap densities.

Paper Details

Date Published: 17 April 1998
PDF: 9 pages
Proc. SPIE 3281, Polymer Photonic Devices, (17 April 1998); doi: 10.1117/12.305428
Show Author Affiliations
Jun Shen, Arizona State Univ. (United States)
Ji-Hai Xu, Motorola, Inc. (United States)
Jie Yang, Arizona State Univ. (United States)
Franky So, Motorola, Inc. (United States)
H.-C. Lee, Motorola, Inc. (United States)

Published in SPIE Proceedings Vol. 3281:
Polymer Photonic Devices
Bernard Kippelen; Donal D. C. Bradley, Editor(s)

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