Topic: video wall led screen

Unlike the commonly used electronic products that are viewed at close range, such as mobile phone screens, laptop screens, etc., LED displays are suitable for long-distance viewing. For the same LED screen product, the viewing distance will determine whether the display effect that the viewer sees is clear or not. The theoretical resolution of the human eye is 20 arc seconds, but due to the distribution of photoreceptor cells and their own defects, the actual resolution of visible light is 1 ...