AC LED & DC LED
The DC led requires dc adopt to drive. But AC can directly drive by AC. There are have some different parameters between AC led and DC led. Please refer to table as follows:
|
Technology parameter |
AC led source |
DC led source |
|
Color temperature |
5000K(±500) |
6000K |
|
Drive way |
110V AC |
DC supply |
|
CR |
>80% |
<80% |
|
Power factor |
≥95% |
90% |
|
Power Efficiency |
88% |
60% |
|
Light angle |
136 degree |
120 degree |
|
Luminous decay |
1year ≤2% |
1year≥5% |
|
Glare index |
None |
Uncomfortable |
|
Environmental protect |
No electromagnetic pollution |
No electromagnetic pollution |
|
Service time |
≥50000-80000 hour |
≥30000-50000 hour |