Table 1.
Optimal Spectral Parameters of Each Color Component, as well as LERs of the QD-WLEDs with at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT (K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
(nm) | 468 | 466 | 465 | 464 | 463 | 463 | 463 | 462 |
(nm) | 534 | 533 | 532 | 532 | 532 | 531 | 531 | 531 |
(nm) | 600 | 598 | 597 | 596 | 595 | 594 | 593 | 593 |
(nm) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
(nm) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
(nm) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
(%) | 10.9 | 14.1 | 18.9 | 23.1 | 26.7 | 29.0 | 32.9 | 36.2 |
(%) | 27.9 | 28.9 | 30.1 | 30.7 | 30.9 | 31.8 | 31.3 | 30.9 |
(%) | 61.2 | 57.0 | 51.0 | 46.2 | 42.4 | 39.2 | 35.8 | 32.9 |
| 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| 70 | 70 | 71 | 72 | 73 | 73 | 73 | 74 |
LER(lm/W) | 434 | 428 | 416 | 402 | 389 | 383 | 369 | 355 |
Table 2.
Optimal Spectral Parameters of Each Color Component, as well as LERs of the QD-WLEDs with at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT (K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
(nm) | 462 | 461 | 460 | 459 | 459 | 459 | 460 | 459 |
(nm) | 536 | 534 | 533 | 531 | 530 | 530 | 530 | 529 |
(nm) | 606 | 604 | 603 | 602 | 601 | 600 | 599 | 599 |
(nm) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
(nm) | 40 | 38 | 36 | 34 | 33 | 31 | 30 | 30 |
(nm) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
(%) | 9.2 | 12.1 | 16.7 | 20.7 | 24.2 | 26.6 | 30.6 | 33.7 |
(%) | 33.7 | 34.5 | 35.3 | 35.6 | 35.6 | 36.0 | 35.0 | 34.6 |
(%) | 57.1 | 53.3 | 48.0 | 43.7 | 40.2 | 37.4 | 34.4 | 31.6 |
| 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 |
| 84 | 84 | 85 | 85 | 86 | 86 | 86 | 87 |
LER(lm/W) | 418 | 414 | 403 | 391 | 380 | 374 | 360 | 347 |
Table 3.
Optimal Spectral Parameters of Each Color Component, as well as LERs of the QD-WLEDs with at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT (K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
(nm) | 454 | 453 | 452 | 451 | 451 | 452 | 453 | 452 |
(nm) | 512 | 511 | 509 | 508 | 508 | 508 | 509 | 509 |
(nm) | 562 | 560 | 558 | 557 | 557 | 557 | 557 | 557 |
(nm) | 618 | 616 | 614 | 613 | 613 | 613 | 612 | 612 |
(nm) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
(nm) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
(nm) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
(nm) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
(%) | 7.3 | 9.0 | 12.8 | 16.2 | 19.3 | 21.2 | 24.7 | 27.6 |
(%) | 16.8 | 18.7 | 20.8 | 22.3 | 23.5 | 24.8 | 25.3 | 25.9 |
(%) | 26.9 | 27.1 | 26.6 | 25.9 | 24.9 | 24.5 | 23.2 | 22.2 |
(%) | 49.0 | 45.2 | 39.8 | 35.7 | 32.2 | 29.6 | 26.8 | 24.3 |
| 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| 95 | 95 | 94 | 94 | 95 | 94 | 95 | 95 |
LER(lm/W) | 377 | 380 | 373 | 363 | 353 | 347 | 336 | 324 |
Table 4.
Optimal Spectral Parameters of Each Color Component, as well as LERs of the pc/R WLEDs with at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT (K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
(nm) | 466 | 465 | 463 | 462 | 460 | 460 | 460 | 458 |
(nm) | 535 | 534 | 532 | 530 | 529 | 528 | 527 | 525 |
(nm) | 603 | 602 | 600 | 599 | 598 | 597 | 595 | 594 |
(nm) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
(nm) | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
(nm) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
(%) | 8.4 | 11.4 | 15.8 | 19.4 | 22.4 | 24.3 | 27.7 | 30.2 |
(%) | 39.7 | 40.9 | 42.1 | 42.7 | 42.9 | 44.0 | 43.3 | 42.9 |
(%) | 51.9 | 47.7 | 42.0 | 37.9 | 34.7 | 31.8 | 29.0 | 26.9 |
| 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
LER(lm/W) | 423 | 417 | 405 | 392 | 380 | 373 | 359 | 346 |
Table 5.
Optimal Spectral Parameters of Each Color Component, as well as LERs of the pc/R WLEDs with at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT (K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
(nm) | 455 | 455 | 454 | 455 | 455 | 456 | 456 | 456 |
(nm) | 537 | 533 | 531 | 529 | 528 | 528 | 527 | 526 |
(nm) | 606 | 605 | 603 | 602 | 602 | 601 | 601 | 601 |
(nm) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
(nm) | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
(nm) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
(%) | 7.3 | 9.5 | 13.7 | 17.3 | 20.5 | 22.4 | 26.0 | 29.1 |
(%) | 42.5 | 43.8 | 45.3 | 46.0 | 46.3 | 47.5 | 46.8 | 46.2 |
(%) | 50.2 | 46.7 | 41.0 | 36.7 | 33.2 | 30.1 | 27.3 | 24.7 |
| 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 |
| 80 | 80 | 80 | 81 | 82 | 82 | 82 | 83 |
LER(lm/W) | 418 | 412 | 401 | 387 | 374 | 368 | 354 | 340 |
Table 6.
Optimal Spectral Parameters of Each Color Component, as well as LERs of the pc/R WLEDs with at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT (K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
(nm) | 454 | 453 | 452 | 451 | 451 | 452 | 453 | 452 |
(nm) | 546 | 542 | 537 | 534 | 532 | 530 | 529 | 528 |
(nm) | 619 | 617 | 615 | 614 | 613 | 613 | 611 | 611 |
(nm) | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
(nm) | 84 | 83 | 82 | 81 | 80 | 77 | 74 | 74 |
(nm) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
(%) | 7.0 | 9.5 | 13.4 | 17.0 | 20.1 | 22.2 | 26.1 | 29.0 |
(%) | 47.5 | 48.5 | 49.3 | 49.5 | 49.3 | 49.4 | 47.7 | 47.2 |
(%) | 45.5 | 42.1 | 37.3 | 33.5 | 30.5 | 28.4 | 26.2 | 23.8 |
| 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| 93 | 93 | 93 | 93 | 93 | 93 | 94 | 94 |
LER(lm/W) | 375 | 376 | 370 | 360 | 350 | 344 | 333 | 321 |
Table 7.
Optimal S/P Ratios of the pc-WLEDs with , 80, and 90 at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT(K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
| 1.18 | 1.31 | 1.50 | 1.66 | 1.80 | 1.93 | 2.10 | 2.25 |
| 1.21 | 1.35 | 1.56 | 1.73 | 1.88 | 2.01 | 2.18 | 2.34 |
| 1.25 | 1.40 | 1.62 | 1.80 | 1.96 | 2.09 | 2.26 | 2.42 |
Table 8.
Optimal S/P Ratios of the QD-WLEDs with , 80, and 90 at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT(K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
| 1.16 | 1.30 | 1.50 | 1.67 | 1.82 | 1.94 | 2.10 | 2.24 |
| 1.20 | 1.34 | 1.55 | 1.72 | 1.87 | 2.00 | 2.17 | 2.32 |
| 1.28 | 1.41 | 1.64 | 1.82 | 1.98 | 2.11 | 2.29 | 2.44 |
Table 9.
Optimal S/P Ratios of the pc/R WLEDs with , 80, and 90 at CCTs of 2700–6500 K () for Four Mesopic Road Lighting Standards
CCT(K) | 2700 | 3000 | 3500 | 4000 | 4500 | 5000 | 5700 | 6500 |
| 1.25 | 1.40 | 1.60 | 1.77 | 1.92 | 2.05 | 2.21 | 2.35 |
| 1.23 | 1.39 | 1.59 | 1.77 | 1.93 | 2.07 | 2.24 | 2.39 |
| 1.25 | 1.40 | 1.61 | 1.80 | 1.96 | 2.09 | 2.26 | 2.42 |
Table 10.
of the pc-WLEDs, QD-WLEDs, and pc/R WLEDs with , 80, and 90 at CCTs of 2700–6500 K for Four Mesopic Road Lighting Standards ()
| | | |
| WLED | (%) | 2700 K | 3000 K | 3500 K | 4000 K | 4500 K | 5000 K | 5700 K | 6500 K |
| pc-WLED | 90 | 174 | 179 | 183 | 185 | 186 | 188 | 188 | 186 |
| | 30 | 70 | 72 | 75 | 77 | 78 | 80 | 81 | 82 |
| | 40 | 92 | 95 | 98 | 100 | 101 | 103 | 104 | 105 |
70 | QD-WLED | 50 | 114 | 117 | 120 | 122 | 123 | 125 | 126 | 126 |
| 60 | 136 | 139 | 142 | 144 | 144 | 146 | 147 | 146 |
| | 70 | 157 | 160 | 163 | 164 | 164 | 166 | 166 | 165 |
| | 80 | 178 | 181 | 183 | 184 | 183 | 185 | 184 | 182 |
| | 90 | 198 | 201 | 203 | 202 | 201 | 202 | 200 | 198 |
| | 100 | 218 | 221 | 222 | 220 | 219 | 219 | 216 | 213 |
80 | pc/R WLED | 90 | 234 | 234 | 231 | 228 | 224 | 222 | 218 | 213 |
pc-WLED | 90 | 165 | 170 | 175 | 178 | 178 | 181 | 181 | 179 |
| | 30 | 66 | 68 | 71 | 73 | 74 | 76 | 78 | 79 |
| | 40 | 87 | 90 | 93 | 95 | 97 | 99 | 100 | 101 |
| | 50 | 108 | 111 | 115 | 117 | 118 | 120 | 122 | 122 |
| QD-WLED | 60 | 129 | 132 | 135 | 137 | 138 | 141 | 142 | 141 |
| 70 | 149 | 152 | 156 | 157 | 158 | 160 | 160 | 160 |
| | 80 | 169 | 172 | 175 | 177 | 177 | 179 | 178 | 177 |
| | 90 | 188 | 192 | 195 | 195 | 195 | 196 | 195 | 193 |
| | 100 | 208 | 211 | 213 | 213 | 212 | 213 | 211 | 208 |
90 | pc/R WLED | 90 | 227 | 227 | 225 | 221 | 218 | 216 | 213 | 208 |
| pc-WLED | 90 | 152 | 158 | 164 | 167 | 168 | 171 | 171 | 170 |
| | 30 | 58 | 60 | 63 | 65 | 66 | 67 | 69 | 70 |
| | 40 | 77 | 80 | 83 | 85 | 87 | 88 | 90 | 90 |
| QD-WLED | 50 | 95 | 99 | 103 | 105 | 106 | 108 | 109 | 110 |
| 60 | 113 | 118 | 122 | 124 | 125 | 127 | 128 | 128 |
| | 70 | 132 | 136 | 141 | 143 | 143 | 145 | 146 | 146 |
| | 80 | 149 | 154 | 159 | 161 | 161 | 163 | 164 | 162 |
| | 90 | 167 | 172 | 177 | 178 | 178 | 180 | 180 | 178 |
| pc/R WLED | 100 | 185 | 190 | 195 | 196 | 195 | 197 | 196 | 193 |
| 90 | 198 | 202 | 203 | 202 | 200 | 201 | 199 | 195 |
Table 11.
Photometric and Colorimetric Performances of the Three Optimal and Real pc/R WLEDs for Four Mesopic Road Lighting Standards, and the Drive Currents of pc-LEDs and the Red LED
| Optimal pc/R WLEDs | Real pc/R WLEDs |
CCT (K) | 3000 | 4500 | 5700 | 2982 | 4560 | 5683 |
| 5.4 | 5.4 | 5.4 | 4.5 | 5.2 | 5.4 |
| 80 | 80 | 80 | 80 | 83 | 83 |
| 80 | 82 | 82 | 79 | 86 | 85 |
S/P | 1.39 | 1.93 | 2.24 | 1.40 | 1.92 | 2.16 |
(lm/W) | 381 | 347 | 328 | 377 | 339 | 323 |
(lm/W) | 398 | 383 | 374 | 394 | 374 | 365 |
(lm/W) | 181 | 164 | 155 | 170 | 155 | 148 |
(lm/W) | 189 | 180 | 175 | 178 | 170 | 166 |
(lm) | | | | 294 | 220 | 196 |
(W) | | | | 1.73 | 1.42 | 1.33 |
(mA) | | | | 350 | 350 | 350 |
(mA) | | | | 271 | 144 | 106 |