Analysis of the international situation of LED market in the future

In the past two years, China's LED manufacturing industry has entered the fast lane of development. The number of new LED factories is large, and the investment is huge, which has attracted the attention of the global industry. Not only local companies, but also expansion or construction of new factories, LED giants outside the mainland have also accelerated the layout in mainland China.   He Zaihua, a senior researcher at China Investment Consulting, pointed out that from the international situation analysis, benefiting from the rapid expansion of the Chinese market, global LED production capacity is shifting to the Chinese market with a large-scale trend, and the pressure faced by mainland LED manufacturers cannot be ignored. Although China's current demographic dividend is slowly disappearing, the advantages of labor costs still exist compared with other countries. At the same time, the Chinese government's strong support for the LED industry is also a major factor for foreign investors to favor the Chinese market. Japan, Europe and the United States are technology and patent-oriented enterprises, occupying the high end of the entire industry chain. At present, Japanese, European and American companies dominate the lighting market. As the future lighting market is the mainstream market for LEDs, both LED manufacturers and lighting manufacturers have entered the LED lighting field. For Chinese companies that have no lighting advantages, The threat is obvious. Among the second echelon, Taiwanese and Korean companies are currently leading the backlight market and becoming the mainstream enterprises in the current market. At the same time, the research and development of the lighting market is very positive. According to the "2010-2015 China Semiconductor Lighting (LED) Industry Investment Analysis and Forecast Report" released by China Investment Consulting, China's mainland LED products mainly supply low-end landscape lighting market. Most of China's enterprises are engaged in low-brightness yellow-green LED production, mainly in the landscape lighting market, while high-end red and blue LEDs still rely on imports. Among them, Taiwan monopolizes the domestic high-brightness red-yellow LED market, and the overall backwardness of China's LED industry is There is no obvious change in the short term. Zhang Yulin, research director of China Investment Consulting, pointed out that as a domestic enterprise of the third echelon, the current market share of backlights is not prominent. Due to the scattered scale and the low end of the industrial chain, the added value of products is obviously weak, so it can only be occupied. Low-end landscape lighting market. Under the opportunity of industrial transfer and the continued prosperity of the domestic market, the advantages of mainland enterprises entering the LED backlight field are gradually increasing, and the breakthrough of the future lighting market needs more technical support.

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Ultra-precision cutting Ultra-precision cutting refers to the cutting method whose surface roughness is less than Ra0.04μm. The key problem in ultra-precision machining is that the thin surface layer of 0.1μm is cut in the final step. This requires both an extremely sharp tool with a radius of the blunt circle of the tool at the nanoscale and a tool with enough durability to keep it sharp. At present, only diamond tools can meet the requirements. In ultra-precision cutting, the cutting speed should be very high and the cutting amount should be small to ensure that the residual area on the workpiece surface is small, so as to obtain minimal surface roughness

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