LED display is a new type of display product developed rapidly in the world in the late 1980s. It has rapidly grown into a mainstream product of flat panel display due to its high reliability, long service life, strong environmental adaptability, high cost performance and low cost of use. . China's LED display industry started in the early 1990s and developed rapidly. It has been developing steadily at a fairly fast pace. Since the beginning of the 21st century, it has grown by about 15%-20% annually. In 2009, in the context of rapid growth in production capacity in the domestic market, government project support and further decline in market prices, including the application of a series of key projects such as the National Games, the 60th anniversary of the National Day, and the Shanghai World Expo, the successful domestic LED display industry The application level has been pushed up to a higher level, and it has also produced a huge driving effect in the field of integrated LED display. At the same time, under the influence of the rapid decline in market prices, more popular markets have also been expanded. The proportion of large-scale color display of new commercial buildings in China has reached a new high, and the number of new outdoor advertising screens is also significantly higher than in previous years. In 2009, it was a key year for the domestic LED display industry to achieve dual quality development, and it was also the year in which many new products were born. The 4mm product has already reached a mature market, and the black substrate has become the standard configuration for medium and high-end products. The display engineering has also made great progress in construction speed and engineering quality. At the same time, the number of manufacturers of upstream signal processing and picture processing equipment dedicated to LED display screens, and the quality of domestic products have also been significantly improved. With the continuous expansion of the LED display market, full-color LED display will be an important development direction of LED display and display devices. At present, there are more than 100 manufacturers engaged in LED full-color display applications in China, and there are more than 20 domestic LED full-color displays with a certain scale, mainly in Beijing, Shanghai, Shenzhen, Xi'an and other regions. The domestic full-color market is gradually divided into three grades. The first file is high-end products produced by internationally renowned companies such as Barco, Panasonic, Daktronics, Lighthouse, Mitsubishi, etc. The second file is produced by domestic large-scale enterprises using high-quality LED products, such as Liard, Shanghai Sansi, Lianlian Jianguang, Nanjing Luopu, etc.; the third file is the display made by domestic LED, there are many such manufacturers, the price of the products is uneven.
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