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Teach you how to judge whether the LED transparent screen is good or bad

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Teach you how to judge whether the LED transparent screen is good or bad
Teach you how to judge whether the LED transparent screen is good or bad

  

     LED transparent screens have been sold in full swing, LED transparent screen manufacturers have also been from the few to the present everywhere, how to judge the LED transparent screen is good or bad? Some people say that through the appearance can roughly judge the quality of the box, is this really? The transparent LED panels produced by many manufacturers are similar, even if the appearance is different, the construction principle is the same, circuit boards, lamp beads, wires and so on. If you use our fire eye real gold to find a good transparent led display, Xiaobian here is a brief introduction:

    1, brightness comparison, the acrylic plate close to the same number of modules and then slowly increase the small distance, here to see whether the brightness of the lamp can meet their own requirements. Of course, putting the module directly in the word is more direct. The higher the brightness, the higher the requirement for the lamp bead. Chen is also relatively high. Pure indoor environment can use low brightness, but if it is a window LED transparent screen or LED glass curtain wall screen, then it is required to be a bright LED transparent screen.

    2. While watching the brightness, pay attention to whether the light of the lamp is uniform. When observing the  white light, be sure to notice whether there is any color difference (this is very important). If you cover it with a thin piece of white paper, you may not observe it. So use a certain thickness of acrylic. Whether there is color difference is the most important part to distinguish the quality, and it is also one of the main reasons leading to the price difference of LED transparent screen.

   3, wire identification. High-quality wire, through UL certification, these manufacturers through the LED transparent screen are unreliable, so the most direct way is to open the skin and count the number of cores inside! Use 15, 17, 19 or even 20, 30 cores The module of the line should not be worse than the 14 and 11 core modules, and vice versa.

    4, the lamp temperature. After lighting for a period of time, touch the LED lamp beads by hand. The temperature is very high and even the hot hand is definitely not stable with low temperature.

    5, solder joint quality. The solder joints are full and the soldering process is good. The high brightness proves that the solder is good. The serious one is the solder joint, which is prone to contact failure and subsequent maintenance troubles.

    6, LED transparent screen light method: At present, LED transparent screen has two production methods, one is positive light, one is side light. Although the side illuminance is relatively high, the lamp bead packaging technology is yet to be tested by the market, and the illuminating lamp bead is the lamp bead of the traditional led display. After the market inspection, the quality is very stable.

7. PCB board thickness. If the PCB board that is emitting light is thicker, it will affect the transparency of the LED transparent screen.

Pub Time : 2019-12-15 11:40:54 >> News list
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