What aspects should we pay attention to when buying LED displays?

Precautions for buying led display

LED display screens have been used a lot in recent years. jyled has helped many customers to install indoor or outdoor LED displays. The rich and diverse colors of the LED display can present a more delicate picture texture, so it is widely used in media advertising and large-scale conferences. However, the models of outdoor LED displays on the market are uneven, so that it is difficult for users to make a choice before facing a dazzling array of devices. So how to choose an LED display, what factors do we need to consider?

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1, the flatness of the display

The flatness of the display screen surface determines the quality of the LED display screen. The surface flatness of the display screen should be within 1mm to ensure that the displayed image is not distorted. If the flatness of the screen surface is low, local bulges or depressions will occur. The situation of the picture angle leads to a dead angle, which affects the look and feel. The flatness of the screen largely determines the quality of the LED display, and the flatness is mainly determined by the production process.

2, the brightness of the display

The brightness of the LED display is also one of the important indicators for choosing a good display. For example, if the LED display is used outdoors, if it is exposed to strong light, it may cause the picture to be unclear. The brightness is determined by the LED die. , High-quality LED displays usually have higher brightness and wider viewing angles, so brightness and viewing angles are also a major factor in understanding the quality of LED displays.

3. The color of the display

The color of the LED display screen is composed of multiple color pixels. The white balance effect is one of the most important indicators of the display screen. In color theory, when the ratio of the three primary colors of red, green and blue is 3:6:1, pure white will be displayed. If If there is a slight deviation in the actual ratio, there will be a deviation in the white balance. Generally, it is necessary to pay attention to whether the white is bluish and yellowish green. The quality of the white balance is mainly determined by the control system of the display screen, and the color reduction of the die is also influence. If there are small squares that are always on or black on the display, it means that the module in that part is necrotic, which is caused by the poor quality of the connector of the display, which is easy to damage. Before buying a professional LED display, if you want to check its quality, you can observe whether there are mosaic dots on the screen plane.

4, the power consumption of the display

The power consumption directly affects the service life of the LED display. The power consumption is large, which not only consumes electricity, but also easily accelerates the aging of the LED tube. After a long time, the display will turn yellow and darken, which will also affect the visual effect. have a certain impact.

5, after-sales service

Although LED displays generally do not have any problems, if something goes wrong, it is very troublesome to maintain. Most LED display manufacturers provide warranty services ranging from 1 to 3 years. Some manufacturers even provide free door-to-door service and reduction of maintenance costs during the warranty period. It is best to ask these small details before purchasing.

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