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Shin Etsu
SIL 2009
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Dimming method affects chromaticity of white LEDs
A study of dimming methods indicates that the lowest chromaticity shift among high-power white LEDs is observed for phosphor-converted LEDs dimmed using pulse-width modulation.

At the recent Solid State Lighting conference, Marc Dyble from the Lighting Research Center at Rensselaer Polytechnic Institute presented a paper on the extent to which the chromaticity of different high-power white LED systems is affected by the use of different dimming methods.

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October 2005
October 2005
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