1. Dead Pixels: Dead pixels on an LED display screen refer to single, constantly lit or dark pixels on the screen. The number of dead pixels is mainly determined by the quality of the LED chip. The lower the number of dead pixels, the better the display effect.
2. Brightness: Brightness has a significant impact on indoor LED displays. Excessive brightness can damage human vision and harm human health, while insufficient brightness will result in unclear images. Generally, the brightness of indoor LED displays should be between 800 cd/m² and 2000 cd/m². Brightness varies between different brands of LED displays.
3. Color Reproduction: The color reproduction of the display screen means that the colors displayed on the screen must be highly consistent with the colors of the playback source to ensure image realism.
Flatness: The flatness of the display screen affects the quality of the displayed image. In the industry, the surface flatness of indoor LED rental screen cabinets is maintained within ±1mm. Local bumps or depressions on the cabinet surface can cause dead angles in the viewing angle of the display screen. The flatness of an LED display screen is determined by the manufacturing process, and manufacturers should pay attention to this issue during production.
