Nowadays, led display screens are everywhere, and the application fields are also very wide. We often see the colorful and dynamic commercial advertisements on the street, which is the effect of the display application, which brings fast and convenient information to our lives. The era of the era has also added a splendid color to the city's environmental decoration.
    As a new medium, LED screens use the illuminating graphics of sports, display a large amount of information, content can be updated at any time, and have very good advertising and notice effects, so it is more attractive to attract attention. Then the LED display is composed of which components, and today we will briefly introduce you:
    The led display mainly has the following components: LED unit board, wiring, power supply, control card.
    The first component: LED unit board
    It is one of the core components of the LED display. The quality of the cell board directly affects the display effect of the display. The unit board is composed of an LED module, a driving chip, and a PCB circuit board. The LED module is actually made up of a plurality of LED light-emitting points in a resin or plastic package dot matrix.
    Second component: connection
    It can be divided into data lines, transmission lines and power lines. The data line is a cable for connecting the control card and the LED unit board. The transmission line is used to connect the control card to the computer. The power cord is used to connect the power supply and control card and the LED unit board. The copper core of the power cord connecting the unit board has a diameter of not less than 1 mm.