DS118 LUXEON Q Product Datasheet 20180327 ©2018 Lumileds Holding B.V. All rights reserved. 16
LUXEON Q 3-step and 5-step MacAdam ellipse Color
Denition
Table 9. LUXEON Q Product Characteristics for 3-step MacAdam ellipse
Part
Number
Nominal
ANSI CCT Color Space Center Point
(cx, cy)
Major Axis,
a
Minor Axis,
b
Ellipse
Rotation
Angle
L1Q0-278000000zzz0 2700K Single 3-step MacAdam ellipse (0.4578, 0.4101) 0.00810 0.00420 53.7
L1Q0-308000000zzz0 3000K Single 3-step MacAdam ellipse (0.4338, 0.4030) 0.00834 0.00408 53.2
L1Q0-358000000zzz0 3500K Single 3-step MacAdam ellipse (0.4073, 0.3917) 0.00927 0.00414 54.0
L1Q0-407000000zzz0 4000K Single 3-step MacAdam ellipse (0.3818, 0.3797) 0.00939 0.00402 53.7
L1Q0-507000000zzz0 5000K Single 3-step MacAdam ellipse (0.3447, 0.3553) 0.00822 0.00354 59.6
L1Q0-577000000zzz0 5700K Single 3-step MacAdam ellipse (0.3287, 0.3417) 0.00745 0.00319 59.1
Min 80CRI 3-step color bins available above (3U) and below (3L) the blackbody line. Min 70CRI 3-step is not divided into bins above and below the blackbody line and is dened as bin 30.
Table 10. LUXEON Q Product Characteristics for 5-step MacAdam ellipse
Part
Number
Nominal
ANSI CCT Color Space Center Point
(cx, cy)
Major Axis,
a
Minor Axis,
b
Ellipse
Rotation
Angle
L1Q0-278000000zzz0 2700K Single 5-step MacAdam ellipse (0.4578, 0.4101) 0.01350 0.00700 53.7
L1Q0-308000000zzz0 3000K Single 5-step MacAdam ellipse (0.4338, 0.4030) 0.01390 0.00680 53.2
L1Q0-358000000zzz0 3500K Single 5-step MacAdam ellipse (0.4073, 0.3917) 0.01545 0.00690 54.0
L1Q0-407000000zzz0 4000K Single 5-step MacAdam ellipse (0.3818, 0.3797) 0.01565 0.00670 53.7
L1Q0-507000000zzz0 5000K Single 5-step MacAdam ellipse (0.3447, 0.3553) 0.01370 0.00590 59.6
L1Q0-577000000zzz0 5700K Single 5-step MacAdam ellipse (0.3287, 0.3417) 0.01234 0.00533 59.1
Min 70 and min 80CRI 5-step is divided into quadrants (5A, 5B, 5C, and 5D).
Notes for Tables 9 & 10:
1. Lumileds maintains a tester tolerance of ± 0.005 on x, y color coordinates.
0.380
0.390
0.400
0.410
0.420
0.430
ANSI C78.377-2008
3-step MacAdam ellipse
5-step MacAdam ellipse
BBL
"Quadrant" lines
3U
3L
AD
AB
AC
AA
5B 5C
5A
5D
Note: Color bin space
illustration for 2700K,
3000K, and 3500K. For CCTs
4000K and above the ellipse
centers are all above the
blackbody line.
Color Space Definition for above and below blackbody
Parameter Denition of MacAdam ellipseColor Space Denition for Above and Below Blackbody