In today's digital era, the importance of visual communication has become increasingly prominent, and full-color LED display screens, as an important medium for information display, have become the first choice in advertising, publicity, display and other fields with their unique color expression and high definition. This article will delve into the working principle of full-color LED displays and their application value in modern society.

Introduction to full-color LED display

LED display screens can be divided into three types: single color, double color and full color according to color classification. Full-color LED display, as the name suggests, refers to a display that can display three basic colors of red, green and blue. Through different combinations of these three colors, up to 16,777,216 colors can be generated, thereby achieving high saturation and high resolution. High-definition and richly colored dynamic picture images. What should I do if the LED display screen cannot load images?

Full color LED display performance characteristics

The performance advantages of full-color LED displays are mainly reflected in the following aspects:

Nonlinear correction technology: Through nonlinear correction technology, the screen image is clearer and has a distinct sense of layering. Here is the technological evolution of LED screens.
Stable performance: The use of layout scanning technology and modular design ensures the stable performance of the display.
Diversified display: Supports multiple playback formats and screen display modes to meet the display needs of different scenarios.
Easy to operate: Equipped with video playback software and an operating system unique to the LED display, simplifying the operation process. Take you 5 minutes to understand the LED display control system.

Working principle of full-color LED display

The working principle of the full-color LED display is relatively complex and mainly consists of the following parts:

Main controller: Responsible for obtaining the brightness data of each color of each pixel of a screen from the computer display card and assigning it to the scanning board.
Scanning board: controls several rows (columns) on the LED display and is responsible for transmitting signals to the display control unit.
Display control unit: Directly facing the LED display body, it is responsible for controlling the brightness and color of the LED lamp beads.
LED display body: It is composed of thousands of LED lamp beads and is the physical carrier that ultimately forms the image. Provide you with the working principle of LED lamp beads.
The main controller converts the signal from the computer display card into the data and control signal format required by the LED display. The display control unit usually consists of a shift register and a latch with grayscale control function to achieve precise control of the brightness of the LED lamp beads. The scanning board plays a role as a link between the previous and the following. It not only receives the video signal from the main controller, but also transmits the data to the display control unit, and coordinates the differences in space, time, sequence, etc. between the video signal and the LED display data.

Application of full-color LED display

With its unique advantages, full-color LED displays have been widely used in various industries, especially in the following fields:

Advertising industry: used for outdoor billboards, shopping mall displays, etc. to attract customers' attention.
Promotional activities: Provide real-time information and visual enjoyment at various event sites, such as sports events, concerts, etc.
Exhibition display: Display high-definition images and videos in museums, exhibitions and other places to enhance the audience experience.

Conclusion

The working principle of the full-color LED display reflects the innovation of modern display technology. Its advantages in color performance, clarity and stability make it an indispensable visual communication tool in modern society. With the continuous advancement of technology, the application range of full-color LED displays will be further expanded, bringing more convenience and fun to people's lives and work.

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Full-color LED display: the integration of rich colors and technological innovation