4

CLM-DS03-LMR4-EZW Rev 0

Cree,Inc.

4600SiliconDrive

Durham,NC27703

USATel:+1.919.313.5300

www.cree.com/modules

Copyright©2010Cree,Inc.Allrightsreserved.Theinformationinthisdocumentissubjecttochange

withoutnotice.Cree,theCreelogoandTrueWhiteareregisteredtrademarksandEasyWhiteisa

trademarkofCree,Inc.

Chromaticity

TheCreeLEDModuleLMR4provideshighcolorconsistencyaroundthespecifiedcolortemperature.IndividualLEDs

aretestedandmatchedinordertomeetthedesignedchromaticityspecification,definedbythefollowingbounding

coordinates.

Cree EasyWhite Color Temperatures Plotted on the 1931 CIE Curve

EasyWhite Color Temperatures – 4-Step

Code

CCT

x

y

40F

4000K

0.3744

0.3685

0.3782

0.3837

0.3912

0.3917

0.3863

0.3758

35F

3500K

0.3981

0.3800

0.4040

0.3966

0.4186

0.4037

0.4116

0.3865

30F

3000K

0.4242

0.3919

0.4322

0.4096

0.4449

0.4141

0.4359

0.3960

27F

2700K

0.4586

0.4203

0.4684

0.4164

0.4569

0.4000

0.4473

0.4037

2700K

3000K

3500K

4000K

4500K

40F

35F

30F

27F

0.35

0.36

0.37

0.38

0.39

0.40

0.41

0.42

0.43

0.44

0.45

CCx

ANSI C78.377 Quadrangle

LMR4 EasyWhite Color Temperature