FAQ:  What about the CIE Illuminant Tables for LEDs?

Nine new Illuminant/Observer tables have been added to EasyMatch QC. These represent the LED Standard illuminants published by the CIE at the end of 2018. These are not designed to represent any specific manufacturers commercially available White LED, instead they are designed around the typical CCT (Correlated Color Temperature) of a class of available LEDs.

These nine new LED illuminants are listed below, a reference to their CCT is given so the user may select one that is similar to the LEDs under which the observer would be viewing the specimen.

CCT (CIE 15:2018)

LED-B1 2733

LED-B2 2998

LED-B3 4103

LED-B4 5109

LED-B5 6598

LED-BH1 2851

LED-RGB1 2840

LED-V1 2724

LED-V2 4070

B1-B5 are typical blue excited phosphor type LEDs with different CCTs. Bh1 is a hybrid type with added red. RGB1 is a tri-led source. V1 and V2 are violet enhanced blue excited phosphor LEDs.

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