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Optical system design for a reflector-based LED food lighting module

: Bäuerle, A.; Schnitzler, C.; Wester, R.; Kirsten, M.; Schlüter, H.; Tewes, M.; Laschefski, H.; Loosen, P.

Fulltext urn:nbn:de:0011-n-1890226 (640 KByte PDF)
MD5 Fingerprint: c0e19c610e0e40b2a6a76ce88ba36cfa
Copyright 2011 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Created on: 27.4.2012

Kane, M.H. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Eleventh International Conference on Solid State Lighting 2011 : 21.-25.8.2011, San Diego, CA, USA
Bellingham, WA: SPIE, 2011 (Proceedings of SPIE 8123)
ISBN: 9780819487339
Paper 812306
International Conference on Solid State Lighting <11, 2011, San Diego/Calif.>
Conference Paper, Electronic Publication
Fraunhofer ILT ()

We report on the development and experimental analysis of an LED lighting module for use in a high-end food lighting environment which puts high demands on color homogeneity and color rendering. The system is built from highly reflecting and partly scattering PVD coated metal reflector sheet that has limited deformability and uses RGBW LEDs. We develop an optical design that is adapted to allow for color mixing and to take into account manufacturing constraints and include this into a prototypical module. Results of measurements and field tests are in good agreement with simulations.