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Proceedings Paper

Achieving high CRI from warm to super white
Author(s): Edward Bailey; Ellen S. Tormey
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Paper Abstract

Light sources which produce a high color rendering index (CRI) have many applications in the lighting industry today. High color rendering accents the rich color which abounds in nature, interior design, theatrical costumes and props, clothing and fabric, jewelry, and machine vision applications. Multi-wavelength LED sources can pump phosphors at multiple stokes shift emission regimes and when combined with selected direct emission sources can allow for greater flexibility in the production of warm-white and cool white light of specialty interest. Unique solutions to R8 and R14 CRI >95 at 2850K, 4750K, 5250K, and 6750K presented.

Paper Details

Date Published: 14 September 2007
PDF: 12 pages
Proc. SPIE 6669, Seventh International Conference on Solid State Lighting, 66690E (14 September 2007); doi: 10.1117/12.735470
Show Author Affiliations
Edward Bailey, Transducin Optics LLC (United States)
Ellen S. Tormey, Lamina Ceramics Inc. (United States)


Published in SPIE Proceedings Vol. 6669:
Seventh International Conference on Solid State Lighting
Ian T. Ferguson; Nadarajah Narendran; Tsunemasa Taguchi; Ian E. Ashdown, Editor(s)

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