Nowadays, led display screens can be seen everywhere, and the application fields are also very wide. We often see colorful dynamic commercial advertisements on the street. That is the effect of led display application, which brings fast and convenient to our life. The information age has also added beautiful colors to the urban environment decoration. As a new medium, the LED display uses moving luminous graphics, displaying a large amount of information, the content can be updated at any time, and has a very good advertising and notice effect, so it is easier to attract people's attention. So what are the components of the led display screen, do you need to pay for the accessories required to install a finished led display screen? Tuosheng Optoelectronics will give you a brief introduction today:

  The led display mainly consists of the following components: LED unit board, wiring, power supply, and control card.

  It is one of the core components of LED display. The quality of the unit board directly affects the display effect of the display. The unit board is composed of LED module, driver chip and PCB circuit board. The LED module is actually made up of a lot of LED light-emitting points encapsulated by resin or plastic dot matrix.

 The second component: the connection

 It can be divided into data lines, transmission lines and power lines. The data cable is the cable used to connect the control card and the LED unit board. The transmission line is used to connect the control card and the computer. The power cord is used to connect the power supply, the control card and the LED unit board. The diameter of the copper core of the power cord connecting the unit board is not less than 1mm.

 The third component: the power supply

 The LED display power supply generally uses a switching power supply, 220V input, 5V DC output. It should be pointed out that since the LED display screen is a precision electronic device, a switching power supply must be used, and a transformer cannot be used.

 Fourth component: control card

 We recommend using a low-cost strip screen control card. Do I need to pay for the accessories required to install a finished LED display? The 256x16-dot two-color screen can be controlled by 1/16 scan, and the most cost-effective LED display can be assembled. The control card is an asynchronous card, that is to say, the card can save the information after power off, and can display the information stored in it without connecting to a PC.