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How to Guarantee the Quality of Full Color LED Display?

Time:2016-01-20Source:This siteViews:790

Full color LED display is one of the best hottest products in the field of LED display industry, and it is widely used in many areas. We will carefully consider its quality problems when buying goods, so, how to guarantee the quality of full color LED display ?
How to Guarantee the Quality of Full Color LED Display? 
First, the electronic function of full color LED display will affect its quality.The PN junction characteristics of LED display decides that it is dissimilar with the electrical function of traditional light. The current primary measurement parameter contains forward drive current, forward voltage drop and reverse leakage current, reverse breakdown voltage and electrostatic sensitivity.
 
Second, the heat dissipation function of full color LED display will also affect its quality. If the heat dissipation of full color LED display is poor, the high temperature will affect the stability of the LED display. After a period of time, the function of full color LED display will accelerate decay. So in this respect, it is necessary to make preparation for the heat dissipation of PCB and box.
 
Third, the temperature and time of full color LED display affect its quality. The preheat temperature of full color LED display is 100℃±5℃, the maximum temperature doesn’t exceed 120℃, the soldering temperature is 245℃±5℃, you cannot shock the LED display when you are making it, until its temperature return the normal state. The temperature parameters of the wave soldering machine must be regularly checked.
 
In China, there is no complete standard about the detection of LED display, so the controversy is often occur between manufacturers and users. Each step of full color technology are the details of the deal,the better we do on the details, the higher the quality of full color LED display.

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