6 to see the LED lights whether formal

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Look Packaging

Regular LED lights will use anti-static packaging roll tray, usually 5 m or 10 m roll of a roll, and then out again with anti-static bag moisture-proof seal. The cottage version of LED lights because of the cost savings, while the use of recycled roll tray, then there is no anti-static moisture-proof bags, look carefully roll tray can see the appearance of a clear label when traces and scratches.

Read the label

Regular LED lights with bags and roll above the disk will have a printed label instead of printing labels. The cottage version of the label is printed, as well as specifications and parameters are not unified.


see Attachment

Regular LED lights will be accompanied by instructions in the box and inside lights with specifications, while also equipped with LED lights with a connector or cartridge; and cottage version of the LED lights with these attachments is not in the box, because they could save the province.


Look joints


LED lights with LED lights with regular production is manufactured using SMT chip technology, solder paste and reflow process of production. Therefore, LED lights bring smoother solder joints and solder amount is not much, to the LED pads arcuate electrode extends from the FPC pad place. The amount of solder joints cottage version of LED lights with uneven, mostly a dot wrap welding foot, and have varying degrees of icicles appear, which is typical of manual welding.


Look FPC Quality

FPC sub-two copper and rolled copper, copper-clad copper foil is projecting, and then look at the connection from the pad and see the FPC. And rolled copper FPC is close and connected as a whole can be bent and will not appear pad off phenomenon. If there will be too much bent Bonded Copper pad off, when the temperature is too high will cause maintenance pad off.


See LED lamp belt surface cleanliness

If the use of SMT technology, the LED lights, surface cleanliness is very good, I do not see any impurities and stains. But if the hand-welding technology, the cottage version of LED lights, no matter how clean the surface, there will be residual traces of dirt and cleaning, while there remains in flux and dross FPC surface.