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Modeling Light-Extraction Characteristics of Packaged Light-Emitting Diodes

Ting, D. Z.-Y. and McGill, T. C. (1998) Modeling Light-Extraction Characteristics of Packaged Light-Emitting Diodes. VLSI Design, 6 (1-4). pp. 363-366. ISSN 1065-514X. http://resolver.caltech.edu/CaltechAUTHORS:TINvd98a

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Abstract

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.


Item Type:Article
Additional Information:Released under a “Creative Commons Attribution License,” enabling the unrestricted use, distribution, and reproduction of an article in any medium, provided that the original work is properly cited. The authors would like to thank J.F. Swenberg, M.W. Wang, F.M. Steranka, M.G. Craford, and P. Mahowald for helpful discussions. This work was supported by the Office of Naval Research (ONR) under Grant No. N00014-92-J- 1845. DZT acknowledges partial support from Department of Physics, National Tsing Hua University (Hsinchu). Special Issue: Fourth International Workshop on Computational Electronics, Tempe, AZ, 29 October-1 November 1995, VLSI Design 6(1-4) 1998.
Subject Keywords:LED photon extraction, LED efficiency
Record Number:CaltechAUTHORS:TINvd98a
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:TINvd98a
Alternative URL:http://dx.doi.org/10.1155/1998/12165
Official Citation:D. Z.-Y. Ting and T. C. McGill, “Modeling Light-Extraction Characteristics of Packaged Light-Emitting Diodes,” VLSI Design, vol. 6, no. 1-4, pp. 363-366, 1998. doi:10.1155/1998/12165
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9255
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:01 Dec 2007
Last Modified:26 Dec 2012 09:47

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