Table 4: The irradiance and energy values for the damaged LCUs before and after replacing their damaged tip to new tips.
| LCU |
Condition |
Actual Curing Time |
Mean Irradiance (mW/cm2) |
Total Energy (J/cm2) |
Irradiance Difference (mW/cm2) |
Energy Difference (J/cm2) |
Difference % |
| Mini LED |
Damaged |
9.96s |
1025 |
10.21 |
753 |
7.61 |
73.4 |
| New |
10.02s |
1778 |
17.82 |
| LED.B #1 |
Damaged |
20.15s |
962 |
19.38 |
91 |
1.9 |
9.4 |
| New |
20.21s |
1053 |
21.28 |
| LED.B #2 |
Damaged |
24.59s |
455 |
11.18 |
140 |
3.5 |
30.7 |
| New |
24.66s |
595 |
14.68 |
| Bluephase N |
Damaged |
20.09s |
1054 |
21.17 |
408 |
8.2 |
38.7 |
| New |
20.09s |
1462 |
29.37 |