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Proceedings Paper

External coupling and cathode effects in organic light-emitting devices: modeling and experiments
Author(s): Min-Hao Lu; James C. Sturm
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Paper 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.

Paper Details

Date Published: 27 February 2002
PDF: 10 pages
Proc. SPIE 4464, Organic Light-Emitting Materials and Devices V, (27 February 2002); doi: 10.1117/12.457475
Show Author Affiliations
Min-Hao Lu, Princeton Univ. (United States)
James C. Sturm, Princeton Univ. (United States)


Published in SPIE Proceedings Vol. 4464:
Organic Light-Emitting Materials and Devices V
Zakya H. Kafafi, Editor(s)

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