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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 15 — Jul. 26, 2004
  • pp: 3327–3333

Colour mixing LEDs with short microsphere doped acrylic rods

Chris Deller, Geoff Smith, and Jim Franklin  »View Author Affiliations


Optics Express, Vol. 12, Issue 15, pp. 3327-3333 (2004)
http://dx.doi.org/10.1364/OPEX.12.003327


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Abstract

The output colour distributions from red, green and blue (RGB) LEDs mixed with cross linked PMMA micro particle doped PMMA mixing rods is compared to output from a plain PMMA mixing rod. Distinctive patterns with clear colour separation result with the undoped rod. These are homogenised by our mixers, resulting in white light. Light output has been photographed, measured and computer simulated at a distance of 10 cm from the output end of the rods.

© 2004 Optical Society of America

OCIS Codes
(080.2720) Geometric optics : Mathematical methods (general)
(220.4830) Optical design and fabrication : Systems design
(230.3670) Optical devices : Light-emitting diodes
(230.5160) Optical devices : Photodetectors
(330.1710) Vision, color, and visual optics : Color, measurement
(350.4990) Other areas of optics : Particles

ToC Category:
Research Papers

History
Original Manuscript: June 16, 2004
Revised Manuscript: July 9, 2004
Published: July 26, 2004

Citation
Chris Deller, Geoff Smith, and Jim Franklin, "Colour mixing LEDs with short microsphere doped acrylic rods," Opt. Express 12, 3327-3333 (2004)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-12-15-3327


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References

  1. N. Narendran and L. Deng, "Color Rendering Properties of LED Light Sources," in Solid State Lighting II, Proc. SPIE 4776, 61-67 (2002).
  2. Y. Martynov, H. Konijn, N. Pfeffer et al., "High-efficiency slim LED backlight system with mixing light guide," SID Intl. Symp. Digest Tech., 43.3 (2003). [CrossRef]
  3. F. Zhao, N. Narendran, and J. Van Derlofske," Optical elements for mixing colored LEDs to create white light," <a href="http://www.lrc.rpi.edu/programs/solidstate/completedProjects.asp?ID=48">http://www.lrc.rpi.edu/programs/solidstate/completedProjects.asp?ID=48<a/>.
  4. G. B. Smith, J. C. Jonsson and J. Franklin, "Spectral and global diffuse properties of high-performance translucent polymer sheets for energy efficient lighting and skylights," Appl. Opt. 42 (19), 3981-3991 (2003). [CrossRef] [PubMed]
  5. C. Deller, G. B. Smith, J Franklin et al., "The integration of forward light transport and lateral illumination of polymer optical fibre," in Proceedings of the Australian Institute of Physics 15th Biennial Congress (2002), Vol. 5192-11, pp. 307-309.
  6. W. J. Cassarly, "LED Modeling: Pros and cons of Common Methods," Phot.Tech Briefs, (April 2002).
  7. J. D. Foley, A. van Dam, S. K. Feiner et al., Computer Graphics Principles and Practice, 2nd ed. (Addison- Wesley, 1995).

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