External coupling and cathode effects in organic light-emitting devices: modeling and experiments

Min-Hao Lu; James C. Sturm

doi:10.1117/12.457475

27 February 2002 External coupling and cathode effects in organic light-emitting devices: modeling and experiments

Min-Hao Lu, James C. Sturm

Proceedings Volume 4464, Organic Light-Emitting Materials and Devices V; (2002) https://doi.org/10.1117/12.457475
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

The emission of light and the external coupling after the appropriate excitons have been formed in the organic light-emitting devices has been investigated. A combined classical and quantum mechanical model was used to calculate the distribution of the internally emitted light into the externally emitted and various waveguided modes in an organic light-emitting device on planar substrates. The exciton lifetime in the OLED cavity was calculated by a Green's function formalism, with a focus on the non-radiative energy transfer to the cathode. Various efficiency measures as a function of the thickness of the indium-tin-oxide anode were calculated and the numerical results were in agreement with the measured external quantum efficiencies.

Citation Download Citation

Min-Hao Lu and James C. Sturm "External coupling and cathode effects in organic light-emitting devices: modeling and experiments", Proc. SPIE 4464, Organic Light-Emitting Materials and Devices V, (27 February 2002); https://doi.org/10.1117/12.457475

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