Germany Flat Light Size Energy Saving 62x62cm 40W Led Panel Light 620 620
- Nov 06, 2017-
LED light source: Usually LED light bead uses 3528, also some people use 3014 and 5050. 3014 and 5050 low cost, light efficiency is slightly worse, the key is that the optical network design difficulties. 3528 Light Effect High point universality is good. LED Guide PLATE: The side LED light through the dot refraction so that the light from the front evenly exported, light guide plate is LED panel lamp quality control Key point. dot design is not good, see the overall light effect is very poor, generally appear in the middle of the light on both sides of the dark, or appear into the light with a light band, or visible local dark areas, or different degrees of brightness inconsistency.