Uniform Illumination Study by Light-Emitting Diode Ring Array and Diffuse Reflection Surface

Zhenmin, 祝振敏 Zhu; Xinghua, 曲兴华 Qu; Haiyu, 梁海昱 Liang; Guoxin, 贾果欣 Jia

doi:10.3788/aos201131.0115001

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Optimization Of Led Lights Space1

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“…The illumination of many LEDs on a plane is the superposition of the individual LED make [9]. Therefore the illumination distribution made by two LED spotlights in illumination planes can be written as the Eq.4, where 'd' is the space between two LED lights and it is the optimal value of the distance between the two LED lights to be analyzed.…”

Section: Optimization Of Led Lights Spacementioning

confidence: 99%

Design of LED Light Source for Uniform Illumination in Large Area

Sun

Zhang

2013

AMM

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Based on the observation of the data measured, the illumination distribution of single LED is set to follow Gaussian function, and with this hypothesis, two forms of light array are analyzed on their illumination distribution. The law of Spyro is used to optimize space between LED in array. Comparison and analysis of the two kinds of array arrangement are given for getting the uniform illumination. The general design method and the calculation example of LED array to produce uniform illumination are also given in this paper. Keywords: Plane light source, Gauss function fitting, LED light source, Uniform illumination

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Section: Optimization Of Led Lights Spacementioning

confidence: 99%