An overview of the LED display,
LED display screen is composed of red, blue, green LED permutations and combinations, display text, pictures, animation, video display device, usually by the display module, control system and power system composed of three parts. LED display is one of the main applications of LED, with high brightness, wide angle, visual distance, flexible and other advantages of rich color, can meet the needs of different application scenarios, especially in large size display has obvious advantages in application. With the continuous improvement of display effect and energy consumption, prices continue to decline, as well as the Olympic Games, World Expo and the Asian Games and other major projects to promote the application of the model, the rapid development of the domestic LED display industry.
LED display a wide variety of types, the current mainstream classification methods are as follows:
LED display development
The application of domestic LED display industry started in the last century at the beginning of 90s, with the development of LED devices and control technology and the rapid development, from the original single color display color to double colors to grayscale color; from a single point of the first 4 to 16 tone gray, gray, gray level 64, more and more up to 16384, 65536.
2008 Olympic Games on the display of thousands of square meters of LED demonstration successful application of the domestic LED display industry out of the professional field, widely recognized by the whole society. With the national 4 trillion infrastructure construction and National Day celebration of the 60 anniversary of the World Expo, the Asian Games and other large projects, the domestic LED display industry continues to grow and grow. In addition, in the construction of the Olympic Games, World Expo and the Asian Games focus on the image project project, domestic LED display enterprises have accumulated advanced technology and engineering experience, gradually moving towards the world stage, from the overseas market income also increased year by year, the rapid growth of industrial exports.
Since 2010, Lehman photoelectric listed, Alto, Chau Ming, building, Riyadh and other companies continue to be successfully listed, capital into the enterprise to provide the necessary cash flow for its rapid development. With the continuous expansion of the scale of enterprises, the degree of concentration continues to improve, large enterprises with capital, scale, technology and brand advantages to adjust the industrial structure, to establish their own leading edge in various segments of the market.
Analysis of two, LED display export situation
From December 2008 onwards, the domestic LED display products export tax rebate rate from 13% to 14% in June 2009, the Chinese government once again raised the export tax rebate rate of LED display, from 14% to 17%. Under the promotion of the national export policy, the domestic LED display exports showed a steady upward trend.
According to GSC statistics show that in 2011 Chinese LED display export 6 billion 457 million 232 thousand and 300 yuan, of which 2011 September monthly export amount is 698 million 151 thousand and 800 yuan, in February, as the Spring Festival holiday, the domestic market in the off-season and other factors, the export amount is 209 million 710 thousand and 600 yuan, in 2011 the lowest monthly monthly export amount. Except for February, the annual export volume as a whole upward trend.
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