Luminous efficacies and color rendering capabilities of illumination sources based on tri- and tetra-chromatic light-emitting diodes (LEDs) are investigated. Tri-chromatic sources with a CRI of 84 and a luminous efficiency of 32 lm/W are demonstrated.
© 2004 Optical Society of America
(230.0230) Optical devices : Optical devices
(230.3670) Optical devices : Light-emitting diodes
(330.0330) Vision, color, and visual optics : Vision, color, and visual optics
(330.1710) Vision, color, and visual optics : Color, measurement
Y. Li, J. M. Shah, R. Jackson, T. Gessmann, and E. F. Schubert, "Illumination sources based on multiple light-emitting diodes," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CWA30.
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