Journal
ORGANIC ELECTRONICS
Volume 6, Issue 1, Pages 3-9Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2004.12.001
Keywords
organic light-emitting diode; FDTD; mode-expansion method
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We report a theoretical analysis on light-extraction efficiency of the organic light-emitting diodes. We utilize both a numerical method such as the finite-difference time-domain method and an analytic method such as the mode-expansion method. The results of both methods are compared to confirm the accuracy of the results. It is found that even though the refractive index contrast between the indium-tin-oxide (ITO) anode and the glass substrate is as small as 0.5, more than 40% of emitted light power is trapped in the ITO layer. (c) 2004 Elsevier B.V. All rights reserved..
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