The brightness of the outdoor LED display is generally higher than 1500cd to ensure the normal operation of the outdoor LED display. Otherwise, the displayed image will be unclear due to the low brightness. Long-term high temperature environment may cause the LED display Too high brightness, the most common is to use aluminum fins as part of the shell to increase brightness, and it is also the lowest-cost enhanced brightness, which uses the shape of the lamp shell to create excessively bright air.

The brightness of the outdoor LED display is mainly determined by the LED lamp beads. Poor or uneven brightness will cause the failure of the outdoor LED display. To ensure that the color of the LED display can be consistent with the color of the playback source, the white balance effect is outdoor LED display An important indicator of the screen, the visual angle directly determines the number of viewers of the LED display, so the bigger the better, the visual angle is mainly determined by the packaging method of the die. If the brightness of the outdoor LED display is uneven, it may cause the color cast of the screen. , The brightness difference of the outdoor LED display will cause the whole screen to be blurred.