Performance Groups – Chromaticity
White XLamp LEDs are tested for chromaticity and placed into one of the regions defined by the bounding coordinates
below.
White Chromaticity Region Bounding Coordinates
Region
x
.283
WK
.295
.298
.287
.292
WA
.295
.283
.279
.295
WM
.308
.310
.298
.306
WB
.308
.295
.292
.301
WE
.306
.292
.287
.308
WN
.317
.318
.310
.316
WC
.317
.308
.306
y
.284
.297
.288
.276
.306
.297
.284
.291
.297
.311
.300
.288
.322
.311
.297
.306
.342
.322
.306
.321
.311
.319
.308
.300
.332
.319
.311
.322
WH
WJ
WG
WD
WP
WF
Region
x
.314
.316
.306
.301
.317
.329
.329
.318
.329
.329
.317
.316
.329
.329
.316
.314
.329
.329
.346
.344
.348
.346
.329
.329
y
.355
.332
.322
.342
.319
.330
.318
.308
.345
.330
.319
.332
.369
.345
.332
.355
.330
.345
.359
.342
.384
.359
.345
.369
Copyright © 2007 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree, the
Cree logo and XLamp are registered trademarks of Cree, Inc.
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com/xlamp
CLD-AP2.002
CREE [ CREE, INC ]
