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China's LED lighting industry in 2018

LED illumination is LED illumination and is a semiconductor solid-state light-emitting device. The solid semiconductor chip is used as a light-emitting material, and in the semiconductor, the carrier is combined to emit excess energy to cause photon emission, and red, yellow, blue, and green light are directly emitted. On the basis of this, the principle of three primary colors is used to add fluorescence. Powder, can emit light of any color.



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In 2013-2017, the scale of China's LED chip market grew rapidly, from 8.25 billion yuan to 18.8 billion yuan. The market size increased by 10.55 billion yuan in five years, with an average annual compound growth rate of 22.9%. With the popularity of LED lighting products, LEDs Demand for the chip market is climbing. It is expected that the LED chip market in China will reach 22.56 billion yuan in 2018.



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The upstream of the LED lighting industry chain is the production of substrate and epitaxial wafers. The midstream industry is the production of LED chips, and the downstream is LED packaging and display applications, backlight applications, automotive lighting, general lighting and other applications.


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Among them, the production of upstream epitaxial wafers and midstream chips is the key technology of LED, with high technical content and large capital investment. It is also the most fierce international competition and the most risky business.