How to identify the quality of the LED lamp belt?

leds to identify belt can be mainly from the following several aspects:

1, the solder joints. Normal leds with produce, produce LED lights is to use SMT process, with solder paste and reflow soldering. Therefore, leds solder joints of the belt is smooth and solder amount not much, solder joint circular arc shaped from the FPC welding plate electrode to LED in extension.

2, FPC quality. FPC divide into two kinds, apply copper and rolling of copper coated copper copper foil is out, scan it can see it from the joint of welded plate and FPC. And rolling of copper is close intimacy and FPC is an organic whole repeatedly, can bend without any welding on the plate falls off phenomenon. Coated copper if bent too much would flush bonding pad fall off, when high temperature through the repair welding plate loss.

3, look at the LED lamp belt surface cleanliness. SMT process produces commercial ceiling lamps belt, its surface cleanliness is very good, can't see any impurities and stain. Using hand welding produce of shanzhai LED lights LED, its surface cleaning anyhow, will remain with traces of the stain and cleaning.

4, look at packaging. Regular LED lamp belt will use anti-static coil plate packing, is 5 meters a roll or 10 meters a roll, and outside the packaging to use anti-static moisture-proof packaging seal again. Shanzhai commercial ceiling lamps belt in recycling coil plate, no anti-static moisture-proof packaging bags, see coil plate can see appearance with clear label and tracks when cut.

5, look at the label. Regular commercial ceiling lamps belt bags will be printed labels and coil plate, not print label.

6, see the attachment. Regular LED lights inside the belt will be included in the enclosed instructions and lamp specification, at the same time also can equipped with leds with connector or booth; The shanzhai leds with cartons would not have these attachments, because some factory is still can save a province.

leds with lighting to

1, the brightness requirements for different occasions and different products have different requirements for the LED brightness. Such as LED light jewelry counter if put inside some big stores, we will be some high brightness is attractive, and also is the adornment effect also points have LED lamp and LED lights with different products, such as seven.

2, antistatic ability: antistatic ability of LED antistatic ability, long service life, but the price will be higher. More than 700 v antistatic usually is higher than the best.

3, consistent LED wavelength and color temperature, color is consistent, the combined mass of lamps and lanterns is particularly important. Unified lamps don't have much inside the brightness of the photo.

4, LED reverse conducting leakage current is the current, we recommend using a small leakage current LED products.

5, waterproof ability, for outdoor and indoor LED lights requirements are not the same.

6, LED has enormous influence on the Angle of LED lamps and lanterns, the different lamps and lanterns is very big, like the LED fluorescent lamp we recommend using 140 - 170 degrees. Other we are not here for detailed explanation.

7, LED chip core quality decision LED, LED chip brand, with foreign brands, and Chinese Taiwan. Different brand price is far away.

8 also determines the quality of LED, LED chip size and brightness, we in the choice also try to choose a larger chip, nothing more than the price also will be higher accordingly.

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