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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 3 — Jan. 20, 2008
  • pp: 467–473

Reflector luminaire with high power light-emitting diodes for general lighting

Andrzej Pawlak and Krzysztof Zaremba  »View Author Affiliations

Applied Optics, Vol. 47, Issue 3, pp. 467-473 (2008)

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The lighting parameters of LEDs are constantly improving. They should not however be applied directly in general lighting luminaires. Luminous intensity distribution solid of high power LEDs is inappropriate for the uniform lighting of a target surface and produces too high of a luminance for this luminaire for large elevation angles. We analyzed the luminous intensity curves allowing us to achieve the best possible lighting uniformity and limited distribution of the luminous flux. Specially manufactured reflectors with limited height were applied in the designed luminaire model. The application of 30 white and additionally six red diodes in the same luminaire provided the resulting optical radiation with the color temperature of 3702   K and a color rendering index of 81.

© 2008 Optical Society of America

OCIS Codes
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.2945) Optical design and fabrication : Illumination design

ToC Category:
Optical Design and Fabrication

Original Manuscript: September 13, 2007
Revised Manuscript: November 15, 2007
Manuscript Accepted: November 17, 2007
Published: January 18, 2008

Andrzej Pawlak and Krzysztof Zaremba, "Reflector luminaire with high power light-emitting diodes for general lighting," Appl. Opt. 47, 467-473 (2008)

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  1. M. R. Krames, O. B. Shchekin, R. Mueller-Mach, G. O. Mueller, Ling-Zhou, G. Harbers, and M. G. Craford, "Status and future of high-power light-emitting diodes for solid-state lighting," J. Disp. Technol. 3, 165-170 (2007). [CrossRef]
  2. D. Brown, D. Nicol, and I. Ferguson, "Investigation of the spectral properties of LED-based MR16 bulbs for general illumination," Opt. Eng. 44, 111310 (2005). [CrossRef]
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  6. K. Zaremba, "A synthetic method of designing rotational reflectors," presented at the Thirteenth European Simulation Multiconference 1999, Modelling and Simulation: A Tool for the Next Millenium (ESM 99), Warsaw, Poland, 1-4 June 1999.

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