At present, the outdoor billboards with three primary colors of red, green, blue, orange and yellow for color display have reached candela level luminous intensity, achieving ultra-high brightness and full color, making the full-color display of outdoor billboards with led a reality. The luminous brightness has been higher than 1000mcd, which can meet the needs of outdoor all-weather and full-color display. The large color screen of outdoor billboard can show the sky and ocean, and realize 3D animation. The new generation of red, green and blue ultra-high brightness outdoor billboards have achieved unprecedented performance.
At present, the pixels of outdoor billboards are composed of many single LED tubes with red / Green / blue primary colors (primary colors). The commonly used products are pixel tube and pixel module. Most of the pixels are 12-26mm in size, and they are composed of 2R / 3R / 4R for monochrome, 1r2yg / 1r3yg / 1r4yg for false color and 2R1G1B for true color.
1、 Design principles of outdoor billboard system
1. Structural design principles
2. Brightness and color matching basis
3. Reliability design principle
4. Safety design principle
5. Design principle of easy management and operability
2、 Screen installation mode
Outdoor billboard wall hanging type: that is, the display screen back to the wall, and fixed on the wall. This method is common and easy to implement.
Outdoor billboard sitting: that is, the display screen sitting on the platform. This method is the easiest to implement, and it should be preferred when conditions permit.
Outdoor billboard inlay: the display screen is inlaid in a wall frame. This method is rare. If the concave depth of the wall is not enough, its maintainability must be considered.
Outdoor billboard side hanging type: that is, the display screen on both sides of the force, side hanging between two buildings or columns. This method is often used for screen suspension in open space, and the two columns are built according to the screen suspension requirements.