Before 1990 the growth of the LED display
On the one hand, restricted by the LED material device, the application of LED display field was wide open, on the other hand, display control technology is basically a communication control mode, objectively affect the display effect.
This period of LED display widely used abroad, domestic rarely, product is given priority to with red, green double colors, control method for the communication control, grey scale for single point 4 adjustable grey, the cost of the product is quite high.
In 1995, this stage is a period of rapid development of LED display.
Into the ninety s, growth in the global information industry and information technology fields constantly breakthroughs, LED display in LED materials and control technology has been the emergence of new results.
Blue LED chip developed, full color LED display to enter the market;
Electronic computer and microelectronics technology development in the field of video appeared in the display control technology control technology, a gray level to achieve 16 grayscale and 64 level gray ash, the dynamic display of the display effect is greatly increased since 1995, the development of LED display into an overall steadily improve the industrial structure adjustment period.
Formed at the same time, the LED display industry internal competition, many small and medium-sized enterprises, product prices dropped sharply, wider application fields, products in such aspects as quality, standardization, appear a series of new problems, the relevant departments attach importance to the development of LED display and appropriate specifications and guidance, this work is gradually deepened.
LED display industry of our country after years of development, the basic form a batch of backbone enterprises of a certain scale.
According to incomplete statistics, by the end of 1998, the annual sales in the enterprise has more than 20 of 10 million yuan of above, its sales totaled 600 million yuan, accounting for more than 85% of the total amount of industry market.
The country more than 100 various kinds of enterprise engaged in LED display, employees nearly 6000 people, industry total annual sales of nearly 800 million yuan, 1996, 1997, remained at around 40%, the growth rate of the down slightly in 1998.
In the domestic market, domestic LED display market share of nearly 100%, basic no market for the same products abroad, 43 the world main tianjin sports center, beijing-kowloon railway, Beijing west railway station, the capital airport, pudong international airport, etc. , are representative of the domestic companies won the bid.
Lead the level of technology.
LED display application involves many fields of social economy, mainly including: securities trading, financial information display.
The field of LED display accounted for more than 50% of the domestic demand of LED display, a few years ago is still the main demand for the LED display industry.
The Shanghai stock exchange, shenzhen stock exchange and in the national securities, financial business institutions widely use the LED display.
The airport flight dynamic information display.
Civil aviation airport construction is very clear to the requirement of information display, LED display is the product of choice for flight information display system FIDS, capital airport, Shanghai pudong international airport, haikou meilan airport, zhuhai airport, xiamen gaoqi airport, shenzhen huangtian airport, guangzhou baiyun airport and national dozens of new and renovated airports chose domestic LED display products.
Road traffic information display.
Intelligent transportation system (
The rise of in the field of urban transportation, highway, etc, LED display as a variable information board, such as speed limit signs, instead of similar foreign products, widely used.
Dispatching command center information display.
Electric power dispatching, vehicle dynamic tracking, vehicle scheduling management, etc. , are also gradually adopt high-density LED display.
Postal services, telecommunications, shopping malls shopping center and other services in the field of business promotion and information display.
Services across the country have a domestic LED display in information shows that play a role.
Advertising media of new products.
In addition to a single large indoor, outdoor display screen as advertising media, domestic LED display advertising appeared in some cities cluster system;
Train LED display advertising system have also been adopted on national dozens of passenger train and is promoting.
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