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Proceedings Paper

Theoretical equations for current-voltage characteristics in OLED
Author(s): Reiji Hattori; Sang-Gun Lee
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Paper Abstract

Theoretical equations for current-voltage characteristics in mono-layer unipolar devices and multilayer bipolar device (that is, OLED) are investigated on the basis of the model consisting of diffusion theory of internal carrier emission through Schottky barrier at cathode and anode electrodes and electronic field dependence of carrier mobility, so called Pool-Frenkel mobility. Space charge effects are also included in this model, which is not presented as a simple Mott- Gurney law. The current-voltage characteristics of OLED are presented using a behavioral language for analog systems (Verilog-A), and the accuracy of this model was verified by comparing with the device simulation results.

Paper Details

Date Published: 27 August 2009
PDF: 7 pages
Proc. SPIE 7415, Organic Light Emitting Materials and Devices XIII, 74150E (27 August 2009); doi: 10.1117/12.829244
Show Author Affiliations
Reiji Hattori, Kyushu Univ. (Japan)
Sang-Gun Lee, Kyushu Univ. (Japan)


Published in SPIE Proceedings Vol. 7415:
Organic Light Emitting Materials and Devices XIII
Franky So; Chihaya Adachi, Editor(s)

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