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http://dx.doi.org/10.5207/JIEIE.2010.24.12.001

Comparison and Analysis about CCT of LED Luminaire According to Light Sources and Compounded CCT  

Kim, In-Tae (세종대학교 건축공학과)
Kim, Yu-Sin (세종대학교 건축공학과)
Choi, An-Seop (세종대학교 건축공학과)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.24, no.12, 2010 , pp. 1-8 More about this Journal
Abstract
Recently, adjustable CCT(Correlated Color Temperature) luminaire for the human circadian rhythm and room atmosphere has been developed. Accurate CCT control is needed in the luminaire for the human circadian rhythm. Therefore, appropriate CCT calculation method for each of fluorescent lamps and white LEDs was examined using three CCT calculation methods in this study. To make accurate CCT combination, CCT for two different CCT lamps was separately measured. And this study compared and analyzed proportionally calculated CCT value with measured value from the compounded luminaire with the two lamps.
Keywords
Correlated Color Temperature; Robertson Method; McCamy; Improved McCamy; White LEDs;
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