Color distribution from multicolor LED arrays | Zendy

Iván Moreno | Zendy; Víctor Contreras | Zendy

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Color distribution from multicolor LED arrays

Author(s) -

Iván Moreno,

Víctor Contreras

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.003607

Subject(s) - light emitting diode , optics , rgb color model , led lamp , color temperature , spectral color , color rendering index , physics , diffuser (optics) , diode , color space , color model , optoelectronics , computer science , light source , artificial intelligence , image (mathematics)

We describe a fully-analytical, simple yet sufficiently accurate method to compute the color pattern of the light emitted from multicolor light-emitting diode (LED) assemblies. Spatial distributions for both color variation and correlated color temperature (CCT) as a function of typical parameters of influence, such as LED spectrum, spatial distribution of LED radiation, target distance, LED-to-LED spacing, and number of LEDs, are shown. To illustrate the method, we simulate and analyze the color patterns of linear, ring, and square RGB (red, green, and blue) arrays for Lambertian-type, batwing, and side emitting LEDs. Our theory may be useful to choose the optimal value for both the array configuration and the array-diffuser distance for lighting systems with color mixing devices.

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