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Optical Engineering

Monte Carlo simulation of light-emitting diode light-extraction characteristics
Author(s): David Z.Y. Ting; Thomas C. McGill
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Paper Abstract

We employ a Monte Carlo ray-tracing technique to model light-extraction characteristics of light-emitting diodes. By keeping track of the various processes that photons can encounter in a packaged LED, consisting of a semiconductor chip, a reflector dish, and an epoxy magnifying lens, our model can provide valuable information for LED design. The simulations can be performed very effectively on modern workstations. Preliminary results from a sample parametric study indicate that, with some refinement, our method could be used as a computer-aided design tool for optimizing light-extraction efficiencies and for designing LED spatial emission characteristics.

Paper Details

Date Published: 1 December 1995
PDF: 9 pages
Opt. Eng. 34(12) doi: 10.1117/12.215485
Published in: Optical Engineering Volume 34, Issue 12
Show Author Affiliations
David Z.Y. Ting, California Institute of Technology (United States)
Thomas C. McGill, California Institute of Technology (United States)

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