LED display screen is used to display text, text, graphics, images, animation, market and other information, as well as TV and video signals through a certain control mode, and is composed of LED device array.
1、 Components of LED display screen
LED display system, as a multimedia high-tech product combining light, electricity and sound, mainly includes the following parts
Display body
Control host and communication system
hi-fi equipment
systems software
External equipment (video recorder, camera, TV signal, etc.)
2、 Working principle of LED display screen
The display screen with LED as the basic light-emitting device can display text, graphics, animation, video information, etc. The system has a variety of fonts and glyphs to choose from. Its basic structure is as follows
3、 Characteristics of LED display screen
1. Low power consumption, energy saving — led uses low-voltage power supply, the power supply voltage is between 6-24 V, which varies according to different products, so it is a safer power supply than using high-voltage power supply, especially suitable for public places.
2. Long service life, stable performance, 100000 hours, light decay is 50% of the initial.
3. Low cost.
4. Modular design, easy installation and maintenance (live maintenance).
5. High brightness, large viewing angle and long visual distance.
6. No pollution to the environment, no harmful metal mercury.
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