From: Investigation of photometric distribution of LED and HSPV for road lighting
 | Target value | HPSV lamp | LED replacement lamp |
---|---|---|---|
Average luminance (cd/m2) | ≥ 1.5 | 1.71 | 0.83 |
Overall uniformity | ≥ 0.4 | 0.75 | 0.71 |
Longitudinal uniformity | ≥ 0.7 | 0.77 | 0.60 |
Threshold increment | ≤ 10% | 3% | 3% |