1 November 2005 Visual equivalence of light-emitting diode white light
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Abstract
The current white LED color has a wide range of correlated color temperatures and varying distances to the Planckian locus, which cause different tints in the white color. This color variation keeps a number of illumination and indication applications away from LEDs. This article introduces a passive method, adding correction filters, to correct the color and achieve visual equivalence of LED white light. The efficiency of using correction filters is discussed.
Chenhua You, "Visual equivalence of light-emitting diode white light," Optical Engineering 44(11), 111307 (1 November 2005). https://doi.org/10.1117/1.2128635
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