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How to buy a good LED display

There are too many Wholesale manufacturers of LED display. Of course, they have thier own differences. But is it really to make a choice of a good led display!In Shenzhen LED display's price is cheaper , of course, some people say they have bad goods .

  There are too many Wholesale manufacturers of LED display. Of course, they have thier own differences. But is it really  to make a choice of a good led display!In Shenzhen LED display's price is cheaper , of course, some people say they have bad goods . In fact, it is not the case , it also depends on your election of led display manufacturers. If it is a good point of the manufacturers that you are good luck enough, if nou, then you are poor guy.

  In recent years ther is the surge in demand for LED large screen , resulting in a variety of sizes large or small maufacturers like mushrooming growth of the plant develop.they said their products are good quality,but it is difficult to know its really quality for costomers ,and mostly it is depend on price's direction .

  However , as a dishonest manufacturer,we should teell in advance buyers the important information for their choice,a not to engage in information asymmetry . LED display after several years of development, seems to have a mature industry , in fact , whether domestic or foreign manufacturers ,ther is still long way to go , especially outdoor big screen, most of the products after two years of running,are difficult to maintain in the expectations of the user .

  Why this happen ? First, there is a big misunderstanding here , most people believe that the main material of led screen , IC's spanlife have reached 100,000 hours , 365 days / year, 24 hours / day operation , the service life is 11 years , so most customers are only interested in with well-known LED and IC. In fact, these two conditions is a necessary but not sufficient condition , because the rational use of red, green , and blue lamps , and more important to display different colors for the lamp to make it work in the best condition , for a good display will be more important.IC reasonable regulation , but also help to overcome the problem of irrational layout of the PCB. Just like a car with a good engine and a control circuit,it can not be judged a good car .

  The key factors are :

    Because the LED, IC are semiconductor devices, they have the atrict requirement for use environment , preferably about room temperature 25 ℃, its working mechanism is best. But the fact is that a large outdoor screen will be applied at different temperatures in the summer may be more than 60 ℃, winter could be in the -20 ℃. When the product is tested within temperatures 25 ℃, the different product categories of files , the fact that running conditions of 60 ℃ or -20 ℃, time inconsistency of LED display, IC efficiency and performance , might originally belonging to a file will become a multi-file , the brightness is inconsistent, screen body naturally becomes spent .This is because under different temperature conditions , the red, green , and blue light brightness and decreased attenuation is different, at 25 ℃ , the white balance is normal, but at 60 ℃ , three color LED the brightness has declined , and its attenuation values are inconsistent , it will produce the entire screen brightness down and cast the phenomenon , the quality of the entire screen will drop.IC 's operating temperature ranges -40 ℃ -85 ℃. As the outside temperature is too high and cause the cabinets temperature, if the inside temperature exceeds 85 ℃, IC is because the temperature is too high and lead to instability or drift arising between different current or tablets difference between channels is too large resulting in the video.

   It is improtant to look at manufacturer 's strength and the registered capital if you buy a led display  . strong company of course the price is a little high , but you do not worry about the product's quality.

 

For more information about LED technology,pls visit us at http://www.led-hero.com

It is our great pleasure to serve You!Thanks in advance!!

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