D. Z.-Y. Ting, T. C. Mcgill, "Modeling Light-Extraction Characteristics of Packaged Light-Emitting Diodes", VLSI Design, vol. 6, Article ID 012165, 4 pages, 1998. https://doi.org/10.1155/1998/12165
Modeling Light-Extraction Characteristics of Packaged Light-Emitting Diodes
We employ a Monte Carlo ray-tracing technique to model light-extraction characteristics of light-emitting diodes. By relaxing restrictive assumptions on photon traversal history, our method improves upon available analytical models for estimating light-extraction efficiencies from bare LED chips, and enhances modeling capabilities by realistically treating the various processes which photons can encounter in a packaged LED. Our method is not only capable of calculating extraction efficiencies, but can also provide extensive statistical information on photon extraction processes, and predict LED spatial emission characteristics.
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