1. Bad point / dead point; The dead point of LED display screen refers to the single point that is always bright or dark on the display screen. Some key points of the dead point are determined by the quality of the die. The lower the dead center, the higher the display effect of LED display screen
2. Brightness
The brightness has a great impact on the indoor LED display screen. Too high brightness is easy to damage human vision and endanger human health. If the brightness is too low, the display image is not clear. Generally speaking, the brightness of indoor LED display screen is 800cd / – 2000cd / which is more appropriate. The brightness of LED display products of different brands is also different.
3. Color resilience
The color recovery of the LED display means that the color displayed on the display is different from the color of the regeneration source, which can ensure the authenticity of the image.
4. Flatness
The flatness of the LED display will affect the quality of the displayed image. The flatness of the shell appearance of the industry indoor LED rental screen shall be kept within 1mm. If part of the shell appearance is convex or concave, the visual recognition angle of the display will produce a dead angle. The quality of flatness depends on the consumption process. LED display manufacturers must pay attention to this problem when consuming.
5. Visible Perspective
The number of audience groups of LED display directly determined by the viewing angle of LED display. The larger the perspective, the larger the audience, and the perspective is affected by the packaging method of LED chip. Therefore, when selecting the indoor LED rental screen, we should also pay attention to the sealing method of the mold.