LED displays, as an emerging visual medium, have experienced rapid development alongside the advancement of large-scale integrated circuits and computer technology. Unlike traditional display technologies such as colorful neon signs, pixel tube TV walls, or four-color magnetic flip boards, LED screens represent a new generation of display solutions. They are widely adopted across various industries due to their numerous advantages: high brightness, excellent dynamic image performance, low failure rates, energy efficiency, long lifespan, versatile content display, rich visual effects, and an outstanding cost-performance ratio.
In particular, grayscale LED screens have become an irreplaceable medium for public institutions and public spaces, offering powerful visual communication and promotional capabilities.
**1. Screen Body**
The screen body consists of LED light-emitting devices and control circuits. The control lines receive signals from the computer and drive the LED modules to emit light. The entire display is made up of unit panels with identical structures, which are interchangeable, making installation and maintenance more efficient and convenient. The display area can be customized by combining an exact number of unit panels according to customer requirements.
**2. Computer and External Devices**
The content displayed on the screen is generated and processed by a computer, then transmitted through cables to the screen body. External devices like scanners can input images, patterns, and even handwritten text into the system, enhancing the flexibility of content creation.
**3. Video Peripherals**
Video information can be displayed on the LED screen via peripherals such as televisions, VCD players, video recorders, and cameras. This allows real-time playback of video content, along with other visual elements like charts and animations.
**4. Audio Equipment**
When connected to amplifiers and speakers, the LED display can play music and broadcast news or advertisements in sync with the visuals, creating a more engaging and immersive experience.
**5. Communication System**
The system transmits processed data from the computer to the control circuit via transmission lines, enabling seamless operation. Other peripheral devices—such as video equipment and audio systems—are connected to the computer, ensuring a clear, easy-to-install, and maintainable setup.
**6. Computer Network**
The system supports remote control through a networked computer, allowing for centralized management and real-time adjustments from different locations.
Key features include:
1. Support for national standard two-level Chinese characters (including English), with multiple font options (Song, Imitation Song, Shu Shu, Lishu, Weibei, Yao, and traditional) and adjustable font sizes (from 16 to 72 points).
2. Ability to scan and input various images, patterns, and even handwritten text using external scanners.
3. Real-time display of video signals from TVs, VCRs, laser discs, and cameras, while simultaneously showing charts, animations, and other visual content.
4. Real-time display of computer-generated content, such as stock quotes, financial data, weather forecasts, and news updates.
5. Multiple animation display modes, including top-down, left-right, center expansion, sliding shutters, and marquee effects.
6. Customizable display time for each image, with automatic switching between content.
7. Window display function that mirrors specific areas of the computer monitor.
8. Pixel-by-pixel mapping of the screen to the computer monitor, allowing precise adjustment of the display layout.
9. Flexible program management, with the ability to change content, playback order, and duration at any time.
10. Integration with network servers to fetch and display real-time data on the LED screen.
These features make LED display systems highly adaptable, user-friendly, and suitable for a wide range of applications, from advertising and public information to entertainment and industrial monitoring.
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