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