The production of led line lights is low because of the threshold of entering the project. However, experienced people still have the means to identify, the led line lights produced by regular manufacturers and the led line lights of the cottage version can be seen from the appearance. Here's how to use the eyes to identify the quality of led line lights.
The FPC is divided into two types: copper and rolled copper. The copper foil of the copper plate is convex. If you look at it, you can see it from the junction of the pad and the FPC. The rolled copper is closely integrated with the FPC, and can be bent more without the occurrence of pad peeling. If the copper plate is bent too much, the pad will fall off, and the excessive degree of repair will cause the pad to fall off.