LED Maximum Brightness
It refers to the luminance of the LED display screen at the highest gray level and maximum brightness under certain environmental illumination. Simply put, the brightness measured in the normal direction using a light gun when the display is set to white 255 by software.
For outdoor LED display screen according to the use of the environment, there will be different requirements for maximum brightness, because the environment light is relatively strong occasions, LED display screen brightness is required to be higher, so that the masses can see clearly what is displayed on the screen. Normally, the display screen sitting south facing north requires a lower maximum brightness, as long as it reaches 4000CD/m2 can meet the requirements, while sitting north facing south requires a full screen brightness of 7000CD/m2, East and west facing south requirements are the same, because there will be part of the time the sun will directly illuminate the LED display. On the screen. Theoretically, brightness requirement is greater than 5500CD square meter brightness is enough.
