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message LED lights with what is how to identify the quality of LED lights Wooden Door Cases of SUMBAO lighting

by:SUMBAO     2017-11-10
 

Introduction:

What is the LED light strip? LED light strip with light strip, the English name LED Strip. LED strip light is the LED assembly in the ribbon FPC (flexible circuit board) or PCB hard board, because of its product shape as a tape named. Because of long service life (normal life expectancy of 8 to 100,000 hours), green and gradually emerge in various decorative industries. However, the market in fact, the quality of LED lights uneven, how to identify the quality of LED lights? Xiaobian take you to find out.

LED lights with what is:

LED lights with LED lights is the abbreviation, most people say when not accustomed to the term is too long, so the front of the LED to the omitted, directly calLED Recessed Spotlight the lamp belt. This lamp with the name also contains a lot of large second-tier before, big three, round two straight LED lights and so on are generally divided into flexible LED lights and LED light bar two, but generally also includes the use of wire to connect the LED Vintage lights, such as flat three 4.3W / m, flat four-wire 6.48W / m, flat five-wire 8.64W / m with light and so on.

1, Flexible LED light strip is to use FPC to assemble the circuit board, with SMD LED assembly, the thickness of the product is only a coin thickness, not space; general specifications are 30cm long 18 LED, 24 LED and 50cm long 15 LED, 24 LED, 30 LED and so on. There are 60cm, 80cm, etc., different users have different specifications. And can be arbitrarily cut, but also can be any extension of the light is not affected. The FPC material is soft, can be bent, folded, wound, such LED lights with the freedom to move in three-dimensional space and will not be broken and broken. LED light strip is suitable for irregular places and small space, but also because it can be bent and wound, suitable for advertising any combination of decorative patterns.

2, LED hard light bar is to use PCB hard board assembly circuit board, LED useful SMD LED assembly, but also useful for LED assembly, depending on the need to use different components. The advantages of hard light bar is relatively easy to fix, processing and installation are more convenient; drawbacks are not free to bend, not suitable for irregular places. Hard light bar SMD LED has 18 LED, 24 LED, 30 LED, 36 LED, 40 LED and many other specifications; with LED plug 18, 24, 36, 48 Different specifications, there are also positive side, side of the light, also known as the Great Wall light bar. Connect with the LED wire instead of FPC or PCB of the old lamp with, of course, also includes a flexible lamp and hard lamp belt.

How to identify the quality of LED lights:

LED lights with good and bad market, but we can from the simple appearance of the initial identification, the basic can be divided out of good or bad quality.

1, look at the solder joints. Regular LED lamp with the manufacturer of LED lights with SMT chip technology, with solder paste and reflow production. Therefore, the LED lamp with a relatively smooth solder joint and the amount of solder will not be more arc welding arc from the FPC pad at the LED electrode to extend.

2, see FPC quality. FPC divided copper and rolLED Recessed Spotlight copper are two kinds of deposited copper foil is protruding, look at the connection from the FPC and the pad can be seen. The rolling copper is closely connected with the FPC as a whole, can be bent without any pad off phenomenon. If bent over the copper plate will appear off the pad, the maintenance of high temperature will cause the pad off.

3, to see the cleanliness of LED lights with the surface. Using LED technology to produce LED lights, the surface of the cleanliness is very good, do not see any impurities and stains. The use of hand-welding process cottage version of LED lights, no matter how the surface of its clean, there will be residual stains and cleaning traces.

4, see the packaging. Regular LED lights will be used anti-static coil tray packaging, 5 m roll or 10 m roll, the package outside and then use anti-static moisture-proof bag seal. Cottage version of the LED lights with recovery reel plate, there is no anti-static moisture-proof bags, carefully read the coil tray can see the appearance of the traces left when removing the label and scratches.

5, see the label. Regular LED lights with bags and reel plate above will have a printed label, not a print label.

6, see the attachment. Regular LED lights will be accompanied by instructions in the box and the lamp with specifications, but also with LED lights with a connector or deck; and cottage version of the LED light with the package does not have these attachments, because After all, some manufacturers can save the province.



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