LED Display Development History

Reading volume: 387

Release time :2023-08-29

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LED display is a new type of display device developed rapidly in the world in the late 1980s. It has high reliability, high brightness, long service life, strong environmental adaptability, high cost performance, low power consumption, long endurance and stable performance.

LED display is a new type of display device developed rapidly in the world in the late 1980s. It has high reliability, high brightness, long service life, strong environmental adaptability, high cost performance, low power consumption, long endurance and stable performance. And other characteristics, it has rapidly grown into a mainstream product on display. Since entering the 21st century, the LED display industry is facing good market development opportunities;

On the one hand, the demand continues to expand, and the demand for e-government, government affairs disclosure, and public information display is strong; on the other hand, the update and iteration of technology provides technical support for the expansion of the LED display market and the creation of new application fields.

The biggest feature of LED display is that its manufacturing is not limited by area, it can reach tens or even hundreds of square meters, and it can be used in various public places indoors and outdoors to display text, graphics, images, animations, video images, etc. Information, with strong advertising rendering and shocking power. Its high brightness, full color, convenient and fast error detection and free adjustment of LED brightness are the development trend of the market.

LED display development stage

The period before 1990 was the growth and formation period of LED display screens. On the one hand, due to the limitation of LED materials and devices, the application field of LED display has not been widely developed. On the other hand, the control technology of LED display is basically a communication control method, which objectively affects the display effect. During this period, LED display screens were widely used in foreign countries. Few domestic products were mainly based on red and green dual primary colors. The control method was communication control, and the gray scale was single-point 4-level gray adjustment. The cost of the product was relatively high.

From 1990 to 1995, this stage was a period of rapid development of LED displays. In the 90s of the 20th century, the global information industry has grown rapidly, and various fields of information technology have continued to make breakthroughs. LED displays have also continuously emerged new achievements in LED materials and control technologies. The blue LED chip was successfully developed, and the full-color LED display entered the market;

With the development of technology in the field of electronic computers and microelectronics, video control technology has emerged in the field of LED display control technology. The gray scale of the LED display screen can achieve 16 gray scales and 64 gray scales. The dynamic display effect of the LED display screen is greatly improved. promote. At this stage, LED display screens developed very rapidly in my country. From the initial few enterprises with an annual output value of tens of millions of yuan to dozens of enterprises with an annual output value of several hundred million yuan, the product application fields involved financial securities, sports, Airports, railways, stations, highway transportation, commercial advertisements, postal services, telecommunications and many other fields, especially the development of the securities and stock industry in 1993 led to a substantial growth in the LED display market. LED display has basically taken shape as a mainstream product in the field of flat panel display, and the LED display industry has become an emerging high-tech industry.

Since 1995, the development of LED display screens has entered a period of overall steady improvement and adjustment and improvement of the industrial structure. During this period, the internal competition in the LED display industry intensified, product prices fell sharply, and the application fields became wider. A series of new problems appeared in terms of product quality and standardization. Relevant departments paid attention to the development of LED displays and carried out Appropriate norms and guidance, the current work in this area is gradually deepening.

The development stage of large-screen LED display


The first generation of single-color LED display screens

with single red as the base color, mainly displaying text and simple patterns, mainly used for notifications, announcements and passenger flow guidance systems.

The second-generation dual-color multi-grayscale LED display

with red and yellow-green as the primary colors, it can only be called pseudo-color because there is no blue, and can display multi-grayscale images and videos. It has been widely used in telecommunications, Banks, taxation, hospitals, government agencies and other occasions mainly display slogans, public service advertisements and image promotion information.

The third-generation full-color multi-grayscale LED display

with red, blue and yellow-green as the base colors, it can display more realistic images, and is gradually replacing the previous generation of products.

The fourth-generation true-color multi-grayscale LED display

with red, blue and pure green as the base colors, it can truly reproduce all colors in nature (even exceeding the range of natural colors in terms of color coordinates). It can display a variety of video images and color advertisements. Its bright colors, bright high brightness, and delicate contrast have excellent visual shock when used in the field of publicity and advertising. The true color 5mm indoor large screen belongs to the fourth generation of the above-mentioned products. It has high brightness, is not affected by ambient brightness, is thin in thickness, occupies a small space, has bright and rich colors, and has a wide viewing angle. It can be used in a spacious hall environment without splicing images. loss.

About DDW Display

Shenzhen DDW Technology Co, Ltd is a professional manufacturer and developer of LED display screens in Shenzhen, China since 2012.

We're a company focused on indoor outdoor rental LED screen, fixed LED screen, HD LED screen, flexible LED screen, transparency LED display, creative led screens and customization services.

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Table of contents

The Uses of Led Screens for Events and Businesses
For engagement
To display information
Factors events and businesses need to consider before renting LEDs?
Aspect ratio
Here are the common aspect ratios:
Pixel pitch
Where is the Venue?
The advantages of our rental LED screen

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