The led electronic display screen was introduced abroad in 1997, and then began to sprout in China. It has experienced four development stages from monochrome, dual-color, full-color and true-color. The specific description of each stage is as follows:
1. The first generation: monochromatic led electronic display
With single red as the base color, displaying text and simple patterns are mainly used for notifications, announcements and passenger flow guidance systems.
2. The second generation: dual-color multi-grayscale display
Use red and yellow-green as the base color. Because there is no blue, it can only be called pseudo-color. It can display multi-gray images and videos. It is currently widely used in telecommunications, banks, taxation, hospitals, government agencies and other occasions in China. Display slogans, public service advertisements and image promotion information.
3. The third generation: full color (full color) multi-grayscale display
With red, blue, and yellow-green as the base colors, it can display more realistic images. In 2008, it was the hottest. It is widely used in stage backgrounds, conference rooms, bulletin boards, and so on.
4. The fourth generation: true color multi-grayscale display
With red, blue and pure green as the base colors, it can truly reproduce all colors in the natural world (even beyond the range of natural colors in color coordinates). It can display a variety of video images and color advertisements. Its gorgeous colors, bright high brightness, and delicate contrast have excellent visual impact in the field of publicity advertisements.
The surface mount three-in-one and the surface mount three-in-one are the indoor led electronic displays belonging to the fourth generation of products mentioned above. It has high brightness, is not affected by the environmental brightness, is thin, occupies a small space, is colorful, and has a wide viewing angle. It can be used in a spacious hall environment without splicing image loss.
