Research Article
Optimization of Multiband White-Light Illuminants for Specified Color Temperatures
Table 2
Results: 4-LED optimization.
(a) Illuminant A: , , LER = 313 lm/rad-W, |
| Sample number | | | | | |
| 1 | 0.58 | 0.55 | −0.62 | 0.23 | 95 | 2 | 0.18 | 0.43 | 0.03 | 0.04 | 95 | 3 | 0.65 | 0.01 | −0.10 | −0.76 | 96 | 4 | 0.87 | 2.00 | 0.14 | 0.04 | 87 | 5 | 0.47 | 0.89 | 0.16 | 0.05 | 90 | 6 | 0.84 | 0.59 | 0.97 | 0.38 | 85 | 7 | 0.40 | −0.15 | 0.46 | −0.06 | 94 | 8 | 0.17 | −0.34 | −0.04 | −0.08 | 99 | 9 | 0.41 | −0.55 | −0.70 | −0.08 | 99 | 10 | 0.48 | −0.02 | 0.67 | −0.37 | 86 | 11 | 2.45 | 5.61 | 2.01 | 0.58 | 68 | 12 | 1.68 | 4.44 | −3.95 | 0.70 | 81 | 13 | 0.31 | 0.54 | 0.20 | 0.17 | 91 | 14 | 0.70 | −0.73 | −0.47 | −0.56 | 97 | Avg | 0.73 | — | — | — | 90 |
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(b) Illuminant D50: , LER = 311 lm/rad-W, |
| Sample number | | | | | |
| 1 | 0.56 | 0.75 | −0.53 | 0.17 | 94 | 2 | 0.18 | 0.26 | 0.14 | 0.08 | 97 | 3 | 0.61 | 0.55 | −0.75 | −0.42 | 95 | 4 | 0.56 | 1.10 | −0.60 | 0.10 | 93 | 5 | 0.50 | 0.61 | −0.55 | 0.04 | 95 | 6 | 0.46 | 0.58 | 0.28 | 0.24 | 95 | 7 | 0.47 | −0.79 | 0.44 | −0.12 | 95 | 8 | 0.38 | −0.77 | −0.20 | −0.16 | 96 | 9 | 0.44 | −0.52 | −0.7 | −0.22 | 96 | 10 | 0.13 | −0.23 | 0.14 | −0.12 | 97 | 11 | 1.67 | 4.53 | 0.90 | 0.57 | 79 | 12 | 3.93 | 7.01 | −8.78 | 0.17 | 70 | 13 | 0.70 | 0.55 | 0.73 | 0.12 | 92 | 14 | 0.70 | −0.18 | −0.87 | −0.30 | 95 | Avg | 0.81 | — | — | — | 92 |
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(c) Illuminant D65: , LER = 298 lm/rad-W, |
| Sample number | | | | | |
| 1 | 0.58 | 0.80 | −0.52 | 0.10 | 94 | 2 | 0.26 | 0.06 | 0.30 | 0.05 | 97 | 3 | 0.59 | 0.62 | −0.83 | −0.34 | 95 | 4 | 0.52 | 0.28 | −0.87 | 0.12 | 95 | 5 | 0.71 | 0.36 | −0.93 | 0.07 | 95 | 6 | 0.40 | 0.57 | 0.12 | 0.25 | 95 | 7 | 0.66 | −1.36 | 0.49 | −0.10 | 93 | 8 | 0.57 | −1.20 | −0.29 | −0.18 | 94 | 9 | 0.49 | −0.40 | −0.73 | −0.32 | 95 | 10 | 0.17 | −0.56 | 0.13 | −0.11 | 98 | 11 | 1.38 | 3.80 | 0.59 | 0.56 | 85 | 12 | 5.06 | 9.55 | −10.2 | 0.22 | 63 | 13 | 1.02 | 0.43 | 1.08 | 0.05 | 92 | 14 | 0.69 | −0.09 | −0.92 | −0.23 | 95 | Avg | 0.94 | — | — | — | 92 |
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