Some points on LED display screen for video advertising

The outdoor LED display is faced with the following problems before installation and use. In order to run safely, the LED display must deal with these problems. 1、 LED display screen is installed outdoors, often in the sun and rain, wind and dust cover, the working environment is bad. The electronics are getting wet

1. Dead point
The dead point of LED display refers to the single point which is always bright or black on the display. Several key points of the dead point are determined by the quality of the die. The lower the dead point, the better the actual effect of LED display
2. Brightness
Brightness has a great influence on indoor LED display screen. Too high brightness is easy to damage human vision and endanger human health. Too low brightness will lead to unclear display. Generally speaking, the brightness of indoor LED display screen should be 800cd / m2 – 2000cd / m2. The brightness of different brands of LED display screen enterprise products is also different.
3. Color restoration
The color recovery of LED display means that the color displayed on the display should be highly different from the color of the playback source, so as to ensure the authenticity of the image.
4. Flatness
The flatness of LED display will affect the quality of display image. The flatness of LED rental screen cabinet in the industry is within ± 1 mm. The convex or concave part of the cabinet surface will cause the dead angle of the display screen. The quality of flatness is determined by the consumption process. LED display manufacturers should pay attention to this problem when consuming.
5. Visual angle
The visual angle of LED display directly determines the number of LED display audience. The larger the viewing angle, the better, and the wider the audience. The viewing angle is affected by the packaging method of LED chip. Therefore, when choosing the indoor LED rental screen, we should pay attention to the packaging method of the die.