LED irregular screens are classified according to different classification methods.digital message display board

　　LED irregular screen starts from color points: monochrome, two color, three color (full color) LED irregular screen: monochrome refers to a luminous material with only one color in the display material, mostly red; A dual color screen is generally composed of red and green LED diodes; A three color (full-color) screen composed of red, green (wavelength 570nm), and blue; True color, composed of red, pure green (wavelength 525nm), and blue.

　　LED irregular screen according to the environment: indoor, outdoor, and semi outdoor LED display screen: indoor and outdoor semi open air curtain, high brightness, can be used in outdoor sunlight, the screen is sealed, usually placed on the roof or window; Indoor irregular screens generally have a small area (over ten square meters) and high point density. In direct sunlight or ambient light, the visible distance is several meters. As they are indoor, there is no need to open air, and the screen cannot have a sealed and waterproof function. Due to the low required display brightness indoors, the indoor display point matrix module is mainly used. The outdoor irregular screen has an area of several tens of square meters, ranging from several hundred square meters to several thousand square meters. The point density is relatively thin (over 1000-4000 points per square meter), and the luminous brightness is 3000-6000cd/square meter (with different directions and brightness requirements). Under direct sunlight, the visible distance is several tens of meters. As it is outdoor, a waterproof box must be used, which has a good wind, rain, and lightning resistant screen on top.

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