L1Q0-278000000ZZZ0 Datasheet, PDF (17/18 Pages) Lumileds Lighting Company – Industry Standard 3535 Footprint Delivering High Efficacy at High Drive Current

LUXEON Q 3-step and 5-step MacAdam Ellipse Color Definition
0.430
0.420
0.410
0.400
0.390
0.380
Note: Color bin space
illustration for 2700K,
3000K, and 3500K. For CCTs
4000K and above the ellipse
centers are all above the
blackbody line.
5A
AA
AC
AB
5B
3U
5C
3L _5D
AD
ANSI C78.377-2008
3-step MacAdam ellipse
5-step MacAdam ellipse
BBL
"Quadrant" lines
Color Space Definition for above and below blackbody
Color Space Definition for Above and Below Blackbody
Parameter Definition of MacAdam Ellipse
Table 9. LUXEON Q Product Characteristics for 3-step MacAdam Ellipse
Nominal
ANSI CCT
Color Space
Center Point
(cx, cy)
Major Axis,
a
Minor Axis,
b
Ellipse
Rotation Angle
2700K
Single 3-step MacAdam ellipse
(0.4578, 0.4101)
0.00810
0.00420
53.7
3000K
Single 3-step MacAdam ellipse
(0.4338, 0.4030)
0.00834
0.00408
53.2
3500K
Single 3-step MacAdam ellipse
(0.4073, 0.3917)
0.00927
0.00414
54.0
4000K
Single 3-step MacAdam ellipse
(0.3818, 0.3797)
0.00939
0.00402
53.7
5700K
Single 3-step MacAdam ellipse
(0.3287, 0.3417)
0.00745
0.00319
59.1
Min 80 CRI 3-step color bins available above (3U) and below (3L) the blackbody line. Min 70 CRI 3-step is not divided into bins above and below the blackbody line.
Table 10. LUXEON Q Product Characteristics for 5-step MacAdam Ellipse
Nominal
ANSI CCT
Color Space
Center Point
(cx, cy)
Major Axis,
a
2700K
Single 5-step MacAdam ellipse
(0.4578, 0.4101)
3000K
Single 5-step MacAdam ellipse
(0.4338, 0.4030)
3500K
Single 5-step MacAdam ellipse
(0.4073, 0.3917)
4000K
Single 5-step MacAdam ellipse
(0.3818, 0.3797)
5700K
Single 5-step MacAdam ellipse
(0.3287, 0.3417)
Min 70 and min 80 CRI 5-step is divided into quadrants (5A, 5B, 5C, and 5D).
0.01350
0.01390
0.01545
0.01565
0.01234
Notes for Tables 9 & 10:
1. Philips Lumileds maintains a tester tolerance of ± 0.005 on x, y color coordinates.
Minor Axis,
b
0.00700
0.00680
0.00690
0.00670
0.00533
Ellipse
Rotation Angle
53.7
53.2
54.0
53.7
59.1
LUXEON Q Datasheet DS118 20140109 ©2014 Philips Lumileds Lighting Company.
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