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How to judge the LED transparent screen good or bad

How to judge the LED transparent screen good or bad? Some people say that through the appearance can be roughly judged by the quality of the box, is this really so?


brightness comparison

The acrylic plate close to the same number of modules and then slowly enhance a small distance, during which to watch the brightness of the lamp can meet their own requirements. Of course, the module directly on the word inside more direct some, the higher the brightness on the requirements of the lamp bead is also higher, the cost is also relatively high. Pure indoor environment with low brightness can be, but if the window LED transparent screen or LED glass curtain wall screen, then it is required to be high bright LED transparent screen can be.


Is the light evenly distributed?

While watching the brightness, it is necessary to pay attention to the uniformity of light beads, when observing white light must pay attention to there is no color difference (this is quite important) - if you use a thin white paper covered with it may not be observed, so it is necessary to use a certain thickness of acrylic. With or without color difference is the most important part of the distinction between good and bad quality, is also one of the main reasons for the price difference of LED transparent screen.

How to judge the LED transparent screen good or bad

Wire Identification

High quality wire, UL listed, these are unreliable through the LED transparent screen manufacturer's instructions, so the most straightforward way is to open up the outer skin and count the number of cores inside! A module with 15, 17, 19 or even 20 or 30+ cores of wire should be no worse than a 14 or 11 core module, and vice versa.


Pearl temperature

After lighting up for a period of time, touch the LED beads with your hand, the temperature is very high or even hot, certainly not as stable as the low temperature.


Weld Quality

Full solder joints to prove good welding process, high brightness to prove that the solder with good; serious is the virtual welding, prone to poor contact phenomenon, follow-up maintenance trouble.


LED transparent screen light pasting method

At present, there are two ways to make LED transparent screen, one is positive luminescence, one is side luminescence. Although the side of the light-emitting high permeability, and positive light-emitting lamp bead is the use of traditional led display lamp bead, after market inspection, the quality is very stable.

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