1. Led display screen purchase depends on the white balance effect. The white balance effect is one of the important indicators of the display screen. In color science, pure white will only appear when the ratio of the three primary colors of red, green and blue is 1:4.6:0.6. The quality of the white balance is mainly determined by the control system of the display, and the die also has an impact on the color reproduction.

2. The brightness and viewing angle of Led display screen should be selected. The brightness of the indoor full-color screen must be above 800cd/m2, and the brightness of the outdoor full-color screen must be above 1500cd/m2 to ensure the normal operation of the display, otherwise the displayed image will not be clear because the brightness is too low.

3. When purchasing a Led display, the surface flatness of the display should be within ±1mm to ensure that the displayed image is not distorted. Local protrusions or recesses will cause a blind spot in the viewing angle of the display. The quality of flatness is mainly determined by the production process.

The above is the answer to which brand of Led display is good and how to choose Led display. I hope everyone can understand and choose a good Led display according to different aspects.