Analysis of four accessories of full-color LED display

文章来源:华云视界 发表时间:2021-08-31

We often see colorful dynamic commercial advertising pictures on the street, that is, the effect of LED display application. It not only brings a fast and convenient information age to our life, but also adds beautiful colors to the urban environmental decoration. As a new media, the LED display uses the moving luminous graphics and text, which shows 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 accessories does the LED display consist of?

1. Power supply:

The stability and performance of the power supply determine the performance of the display screen, and the power supply equipped with various models is also particular. The power supply required for LED display screen is calculated according to the power of unit board, and the requirements of various models are different.

2. Box:

According to the size of the box, multiple unit boards form a box, and multiple boxes are assembled into a screen. The box is made professionally, including simple box and waterproof box.

3. Module:

LED module is composed of kit, bottom shell, mask, etc. the full-color LED display screen is composed of LED modules, that is, the large LED screen we see now.

4. Control system:

The control system is an important part of the display screen. The video is transmitted to the receiving card of the full-color LED display screen through the sending card and graphics card, and then the receiving card transmits the signal to the hub board in sections: after receivingAn adapter board (generally called hub board) is installed on the card. The receiving card transmits the data to the adapter board, and then the data on the adapter board is transmitted to the single line or single column full-color LED display module of the display box through the cable, and then the LED module andLEDData is also connected between modules through flat cables. Generally, an adapter board has only 8 sockets, that is, an adapter board can only manage the data transmission of 8 rows or 8 columns of LED modules. If there are more rows or columns, an adapter board can be added to the receiving card. The receiving algorithm of LED indoor full-color display is different from that of LED outdoor full-color display, because the pixel points and scanning mode of LED indoor screen and LED outdoor screen are different, so there are differences in LED receiving card. LED display control and debugging are mainly related to LED display control system.

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