Theoretical equations for current-voltage characteristics in OLED

Reiji Hattori; Sang-Gun Lee

doi:10.1117/12.829244

27 August 2009 Theoretical equations for current-voltage characteristics in OLED

Reiji Hattori, Sang-Gun Lee

Proceedings Volume 7415, Organic Light Emitting Materials and Devices XIII; 74150E (2009) https://doi.org/10.1117/12.829244
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

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.

Citation Download Citation

Reiji Hattori and Sang-Gun Lee "Theoretical equations for current-voltage characteristics in OLED", Proc. SPIE 7415, Organic Light Emitting Materials and Devices XIII, 74150E (27 August 2009); https://doi.org/10.1117/12.829244

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