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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2955–2957

White-light LED clusters with high color rendering

Guoxing He and Lihong Zheng  »View Author Affiliations


Optics Letters, Vol. 35, Issue 17, pp. 2955-2957 (2010)
http://dx.doi.org/10.1364/OL.35.002955


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Abstract

We established a model for spectra of LEDs at different drive currents. The simulation program of color rendering of white-light LED clusters has been developed, according to the principle of additive color mixture. The experimental results show that white/red LED clusters can realize color temperature untunable white light with a high color rendering index and high luminous efficacy and that neutral-white/red/blue LED clusters can realize color temperature tunable white light with a high color rendering index and high luminous efficacy.

© 2010 Optical Society of America

OCIS Codes
(230.3670) Optical devices : Light-emitting diodes
(330.1715) Vision, color, and visual optics : Color, rendering and metamerism

ToC Category:
Optical Devices

History
Original Manuscript: May 19, 2010
Revised Manuscript: July 27, 2010
Manuscript Accepted: August 1, 2010
Published: August 26, 2010

Virtual Issues
Vol. 5, Iss. 13 Virtual Journal for Biomedical Optics

Citation
Guoxing He and Lihong Zheng, "White-light LED clusters with high color rendering," Opt. Lett. 35, 2955-2957 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-17-2955


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