chromaticity coordinates


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chromaticity coordinates

pl n
(General Physics) physics three numbers used to specify a colour, each of which is equal to one of the three tristimulus values divided by their sum. Symbols: x, y or z
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The spectrometer transformed spectral data into lightness data (L) and chromaticity coordinates (redness [a] and yellowness [b]) on the basis of a D65 light source (CIE 1986).
Peak wavelength, FWHM, and CIE 1931 chromaticity coordinates of the ten LEDs used as primaries, when operated alone.
Chromaticity coordinates a * and b * over the aging period are shown in Figs.
5 lumens (lm), color temperature of 6500K and chromaticity coordinates of Cx 0.
This comparison is expressed as [DELTA]E (Delta E), a measure that transforms the CIELAB chromaticity coordinates mentioned above to an observed color difference (i.
These tri-stimulus colorimetric coordinates are referred to as chromaticity coordinates.
The spectral distribution and chromaticity coordinates of a number of LEDs have been measured (2).
Proprietary Future tools were used to calculate the achievable chromaticity coordinates and thereby determine which color bins were required to produce the required color values.
The distance between the chromaticity coordinates of a SPD to the blackbody locus within the CIE 1960 UCS diagram is defined as Diiv, the tolerance of which is also defined by ANSI [ANSI 2008].