LED display quality inspection 'three steps'

The rich and diverse colors of the LED display can show a more delicate picture texture, so it is widely used in the advertising market. With the rapid development of the market, more and more friends are buying LED displays. Friends who buy LED displays will inevitably encounter some problems when choosing LED displays. Today, the relevant staff of LED display manufacturers will come to popularize the method of checking the quality of LED display:



1. Look at the flatness of the surface

The flatness of the surface of the display screen determines the quality of the color LED display screen. If the flatness of the screen is low, local bumps or depressions will occur, resulting in a blind angle of the picture, which affects the look and feel, and the screen is flat The degree largely determines the quality of the color LED display;

2. Look at the measurement and angle of view

Since the color LED display is usually used outdoors, if it is exposed to strong LED Light module, it may cause the picture to be unclear. The brightness is determined by the LED die. The high-quality color LED display usually has higher brightness And the viewing angle is wider, so the brightness and viewing angle are also a major factor in understanding the quality of the color LED display;

3. See if there is any mosaic

The color of the color LED display screen is composed of multiple color pixels. If there are always bright or black small four squares on the display screen, it indicates that the module in this part is necrotic. This is because the quality of the connectors of the display screen is relatively low. The difference is therefore easily caused by damage. Before buying a professional color LED display, if you want to check its quality, you can check whether there are mosaic dots on the plane of the screen.

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