DS198 LUXEON CZ Color Line Product Datasheet 20180305 ©2018 Lumileds Holding B.V. All rights reserved.

19

Color Bin Definitions

Table 7a. 5-Step MacAdam ellipse color bin definitions for LUXEON CZ White at 350mA, T

NOMINAL CCT

COLOR SPACE

(cx, cy)

MAJOR AXIS,

a

MINOR AXIS,

b

ELLIPSE ROTATION

ANGLE, θ

3000K

Single 3-Step MacAdam Ellipse

(0.4338, 0.4030)

0.00834

0.00408

53.2°

3000K

Single 5-Step MacAdam Ellipse

(0.4338, 0.4030)

0.01390

0.00680

53.2°

5700K

Single 5-Step MacAdam Ellipse

(0.3287, 0.3417)

0.01243

0.00533

59.1°

4000K

Single 5-Step MacAdam Ellipse

(0.3818, 0.3797)

0.01565

0.00670

53.7°

5000K

Single 5-Step MacAdam Ellipse

(0.3447, 0.3553)

0.01370

0.00590

59.6°

Notes for Table 7a:

1. Lumileds maintains a tolerance of ±0.005 on x and y coordinates in the CIE 1931 color space.

Table 7b. MacAdam ellipse color bin definitions for LUXEON CZ Color Line.

BIN

SDCM

3U

3-step MacAdam ellipse (80CRI)

3L

3-step MacAdam ellipse (80CRI)

50

5-step MacAdam ellipse (70 CRI)

5A

5-step MacAdam ellipse (80CRI)

5B

5-step MacAdam ellipse (80CRI)

5C

5-step MacAdam ellipse (80CRI)

5D

5-step MacAdam ellipse (80CRI)

Figure 8 . 3- and 5-step MacAdam ellipse illustration for Table 7 .

0.380

0.390

0.400

0.410

0.420

0.430

3-step MacAdam ellipse

5-step MacAdam ellipse

BBL

"Quadrant" lines

3U

3L

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

Figure 7 . Color bin structure for LUXEON CZ Color Line .