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LED display in the outdoor environment installation should pay attention to the problem


Classification: Industry News

Time:2023-10-16 16:37

LED display advertising media also has a high effective arrival rate. LED displays are cheaper than media forms such as television and newspapers. This unique value makes the LED advertising screen media naturally become the upstart of outdoor media. Different from the traditional outdoor media, LED full color screen is not only pure outdoor media.

LED display advertising media also has a high effective arrival rate.LED displayIt is cheaper than media like television and newspapers. This unique value makes the LED advertising screen media naturally become the upstart of outdoor media. Different from the traditional outdoor media, LED full color screen is not only pure outdoor media. At the same time, it also has the characteristics and advantages of television and other media. There is a larger creative space, and consumers have a wide range of interactive communication space. This is a unique form of screen that can meet the needs of individuals and has the concept of digital communication.
Great wisdom.

 

This kind of problem we often encounter when using LED display. When the product starts to use, the LED display can work normally, but after a period of time, there will be dark light, flicker, malfunction, intermittent lighting and other phenomena, which will seriously damage the product. The reasons for this phenomenon are as follows:
 

In the welding process, there are problems such as high welding temperature, long welding time and ineffective prevention of static electricity. More than 95% of the problems are caused by the packaging process.
 

The second is the quality problem of the LED display itself, that is, the production process.

Preventive measures
 

Strictly control the welding process;
 

Aging test of 2. products.
 

Service life is an important guarantee to ensure the reliability of electronic products, and it is also a necessary link in the production of electronic products. The product can improve the performance after aging and help maintain stable performance in later use. In product quality control, the aging test of LED display is very important, but because it is easy to be ignored, the aging test can not be carried out correctly and effectively. According to the characteristics of the product failure rate curve, the LED aging test method is used to improve the reliability of the product, but this method is not required. In the final analysis, the aging test sacrifices the life of a single LED product.
 

The aging methods of light-emitting diodes include constant current aging and constant voltage aging. A constant current source means that the current is constant at any time. There is a frequency problem instead of a constant current. That is, AC or pulse current. An alternating or pulsating current source can be designed to be a constant effective value, but such a power source cannot be called a constant current source. Constant current aging is the characteristic of LED current work, and it is also a scientific method of LED aging. Impact overcurrent aging is alsoLED displayThe new aging method adopted by the manufacturer. Using a constant current source with adjustable frequency and current, the quality and life expectancy of the LED can be determined in a short time, and potential problems that cannot be found by traditional aging methods can also be identified.

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