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The Beijing Olympic Games is not only a competition for sports athletes and hard work in various countries, but also a stage for LED to showcase its own style and charm. The outstanding performance of LED in the opening performance, Olympic venues, landscape lighting, indoor and outdoor full-color display, etc., brought a shocking visual feast to the audience, which made people have a more intuitive, profound and new experience and awareness of LED. The application and promotion of LED will undoubtedly further accelerate. Experts predict that the 2010 Shanghai World Expo will become another milestone in LED applications, when China's LED industry will usher in a new development peak.
However, behind the dazzling and brilliant LED of the Beijing Olympic Games, there is a lack of China's upstream core technology in LED, which hides the hidden concerns of the industry. It is understood that the LED devices and lamps used in the Olympic Games are mainly packaged and produced by Chinese companies, but the most high-power chips in the value chain are basically imported from abroad. The Beijing Olympic Games has improved the level of LED applications, but it also reflects that China's LED products are mainly medium and low-end, lacking core technologies with independent intellectual property rights. High-performance LEDs and power LED products all depend on the dilemma of imports.
The LED industry chain mainly includes the upstream industry of epitaxial wafer growth and chip manufacturing, the midstream industry of LED devices and LED packages, and the downstream industries of LED applications. After years of development, China has formed a relatively complete industrial chain from raw materials, epitaxial growth, chip manufacturing, device packaging, application products and supporting equipment, equipment and equipment. According to the latest statistics, at present, there are more than 2,000 enterprises engaged in LED in China. But unfortunately, the application products and supporting enterprises account for the vast majority, with more than 1,700; followed by packaging companies, about 600; the least are engaged in epitaxial growth, chip manufacturing enterprises, research units and manufacturing companies There are only over 40 in total. The distribution of such industrial chains shows that LED companies in China are still mostly concentrated in the downstream of the application and packaging industry chain, the upstream industry is weak, and the entire industry lacks core competitiveness.
Although the production of LED epitaxial chips in China has made great progress and progress in recent years, it still stays at the middle and low level, and can not be applied to high-quality displays on a large scale, as well as high-end applications such as medium and large-size LCD backlights. High-end epitaxial chips used in high-efficiency, high-reliability LED applications rely almost entirely on imports, and high-efficiency power chips are currently not available from domestic manufacturers.
At present, the LED upstream industry is showing a good trend, and the number of domestic companies involved in LED upstream chips is increasing. This aspect shows that the industry is generally optimistic about the prospects of the LED industry. On the other hand, as the industry matures and grows, the focus of development will gradually concentrate on the upstream areas with high profits. According to statistics, in recent years, China's LED chip production growth rate exceeded 75%. In 2008, the output of high-brightness LED chips will exceed 30 billion. From 2007 to now, there are about 40 new MOCVD (metal organic chemical vapor deposition technology) equipment in China. About 100 units are planned to be purchased.
However, in order to truly realize the breakthrough of the LED upstream industry, there are still many problems: First, there are still few core technologies with innovative and independent intellectual property rights, and it is difficult to compete with foreign counterparts. Second, domestic LED epitaxy and many research results of chips are difficult to promote and apply in enterprises. Third, the domestic LED epitaxy, the industrialization scale of chip companies is too small, the company's research and development strength is insufficient, the product cost is high, and there is a lack of competitiveness. Fourth, China's development of the upstream LED industry in the process of their respective battles, repeated construction, mutual closure, vicious competition, and urgent need to resolve.
In order to accelerate the realization of the fundamental breakthrough of the LED upstream industry and promote the healthy growth of the entire industry, the government should increase the support and regulation capabilities of the LED upstream industry in China, integrate and adjust the research institutions with decentralized repetition, and focus on supporting independent knowledge. The core technology and innovation projects of property rights, through guidance and macro-control measures, focus resources to expand the scale of LED upstream industrialization. In addition, we should strengthen the basic research and development of LED technology, and make great efforts to support the localization of key equipment and basic raw materials, and accelerate the cultivation of professional talents in the field of upstream LED epitaxy and chips.
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