Performance Groups – Brightness
Performance Groups – Chromaticity
XLamp LEDs that are tested for luminous flux are placed into one
of the following groups:
White XLamp LEDs are tested for chromaticity and placed into one
of the regions defined by the bounding coordinates below.
Minimum Luminous
Flux (lm) @ 700mA
Maximum Luminous
Flux (lm) @ 700mA
Region
WA
x
y
Region
WF
x
y
Group
.292
.295
.283
.279
.306
.308
.295
.292
.316
.317
.308
.306
.329
.329
.317
.316
.301
.306
.292
.287
.306
.297
.284
.291
.322
.311
.297
.306
.332
.319
.311
.322
.345
.330
.319
.332
.342
.322
.306
.321
.314
.316
.306
.301
.329
.329
.316
.314
.348
.346
.329
.329
.329
.329
.346
.344
.355
.332
.322
.342
.369
.345
.332
.355
.384
.359
.345
.369
.330
.345
.359
.342
H
J
18.1
23.5
30.6
39.8
51.7
67.2
87.4
113.6
23.5
30.6
39.8
51.7
67.2
87.4
113.6
K
M
N
P
WB
WC
WD
WE
WG
WH
WJ
Q
R
Royal Blue XLamp LEDs are tested for radiant flux and are placed
into one of the following groups:
Minimum Radiant Flux
(mW) @ 700mA
Maximum Radiant
Flux (mW) @ 700mA
Group
13
14
15
16
300
350
425
500
350
425
500
600
Performance Groups – Dominant Wavelength (DWL)
Monochromatic XLamp LEDs are tested for dominant wavelength
and placed into one of the following groups.
Cree’s standard chromaticity regions plotted on the 1931 CIE
Curve.
Min. DWL
Max. DWL
Color
DWL Group
(nm) @ 700mA (nm) @ 700mA
D4
D5
B3
B4
C2
C3
G2
G3
G4
A2
A3
O3
O4
R2
R3
R4
455
460
465
470
500
505
520
525
530
585
590
610
615
620
625
630
460
465
470
475
505
510
525
530
535
590
595
615
620
625
630
635
Royal Blue
0.39
0.38
0.37
Blue
WH
0.36
Cyan
WG
0.35
0.34
0.33
0.32
0.31
0.30
0.29
0.28
0.27
WJ
WF
WD
Green
WE
WC
5000K
WB
5714K
Amber
6667K
WA
8000K
Red-Orange
BBL
10,000K
0.27
0.28
0.29
0.30
0.31
CCx
0.32
0.33
0.34
0.35
Red
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com/xlamp
Copyright © 2004-2006 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.
2
CLD-AP03.002
CREE [ CREE, INC ]
