Chromaticity
The Cree LED Module LMR4 provides high color consistency around the specified color temperature. Individual LEDs
are tested and matched in order to meet the designed chromaticity specification, defined by the following bounding
coordinates.
EasyWhite Color Temperatures
–
4-Step
Code
CCT
x
0.3744
40F
4000 K
0.3782
0.3912
0.3863
0.3981
35F
3500 K
0.4040
0.4186
0.4116
0.4242
30F
3000 K
0.4322
0.4449
0.4359
0.4586
27F
2700 K
0.4684
0.4569
0.4473
y
0.3685
0.3837
0.3917
0.3758
0.3800
0.3966
0.4037
0.3865
0.3919
0.4096
0.4141
0.3960
0.4203
0.4164
0.4000
0.4037
Cree EasyWhite Color Temperatures Plotted on the 1931 CIE Curve
0.45
0.44
0.43
ANSI C78.377 Quadrangle
LMR4 EasyWhite Color Temperature
2700K
3000K
3500K
0.42
0.41
0.40
4500K
4000K
27F
30F
CCy
0.39
0.38
40F
0.37
35F
0.36
0.35
0.40
0.41
0.42
0.36
0.37
0.38
0.39
0.43
0.44
0.45
0.46
0.47
0.48
CCx
Copyright © 2010 Cree, Inc. All rights reserved. The information in this document is subject to change
without notice. Cree, the Cree logo and TrueWhite are registered trademarks and EasyWhite is a
trademark of Cree, Inc.
4
CLM-DS03-LMR4-EZW Rev 0
0.49
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com/modules
CREE [ CREE, INC ]
