Advertising unit into materials include glass, color filter, polaroid, drive IC, liquid crystal materials, match to the film, a backlight module, ITO conductive film, there are other CELL processes used materials and chemical products, etc.
Advertising machine is a new generation of intelligent equipment, through the terminal software control, network information transmission and display of multimedia terminal, constitute a complete advertising broadcast control system, and through the text, images, video, widgets (such as weather, exchange rate, etc.) of multimedia material for advertising. The original idea of the advertising machine was to turn advertising into initiative, so the interaction of the advertising machine made it have a lot of public service functions, so as to attract customers to browse advertisements actively.

The LCD ADVERTISING machine is the commonly used LCD ADVERTISING machine, the English name is: ADVERTISING LCD DISPLAYER. TFT - LCD, for example, the principle of LCD is composed of a backlight source light on polarizing film, light after through the polarizing film, will be polarization, polarization of light through the LCD, because the liquid crystal molecules are electrode voltage influence in arrangement, so liquid crystal can change the polarization of the light polarization Angle, different polarization Angle will cause the light intensity is different, different intensity of light through the color filter of red, blue, green three elements, will show a variety of different brightness and different color elements, and then through the individual pixels can be visible to the naked eye can see all kinds of image and graphics.
With the popularity of advertisement machine and the popularity of plasma, LCD flat display equipment, the development of network streaming media technology, system architecture has already after several generations of change, the original is by the screens and DVD players or PC unit, after the introduction of the technique of network technology, special network media player replaced the traditional form of pure play DVD or PC, function more rich, the application is also becoming more diverse. Therefore, someone put it with the paper media, radio, television and the Internet, call it "the fifth media", at a specific time, specific place, on a particular crowd for information release.