What are the stages of the development of led screens

1. First generation: monochrome LED display

Single red as the base color, display text and simple patterns, mainly used for notifications, announcements and passenger flow guidance system.

2, the second generation: double primary color multi-gray display

With red and yellow-green as the base color, because there is no blue, it can only be called false color, can display multi-gray images and videos, is currently widely used in the domestic telecommunications, banks, taxation, hospitals, government agencies and other occasions, mainly display slogans, public service advertisements and image publicity information.

3, the third generation: full color multi-gray display

With red, blue and yellow-green as the base color, it can display a more realistic image, and is gradually replacing the previous generation of products.

4, the fourth generation: true color multi-gray display

With red, blue and pure green as the base color, you can truly reproduce all the colors of nature. Can display a variety of video images and color advertising, its gorgeous color, bright high brightness, fine contrast, in the field of advertising application has excellent visual shock.