An analytical model for the illuminance distribution of a power LED
- 16 December 2008
- journal article
- Published by Optica Publishing Group in Optics Express
- Vol. 16 (26), 21641-21646
- https://doi.org/10.1364/oe.16.021641
Abstract
Light-emitting diodes (LEDs) will play a major role in future indoor illumination systems. In general, the generalized Lambertian pattern is widely used as the radiation pattern of a single LED. In this letter, we show that the illuminance distribution due to this Lambertian pattern, when projected onto a horizontal surface such as a floor, can be well approximated by a Gaussian function.Keywords
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