According to new research at IHS intelligence shows that in 2015 96.3% of the world's LED production adopts sapphire substrate, is expected to be the data in 2020 will rise to 96.7%.
In 2015, thanks to falling prices, sapphire application market got a boost. Especially 4 inch wafer in 2015 accounted for 55% of market share (by region) capacity, 9.9% of them were giant such as samsung, Seoul semiconductor wafer photoelectric segmentation; 6 inch wafer capacity also continues to grow, mainly in osram, Lumileds company, LG chemical and Cree manufacturer is preferred.
The sapphire substrate has occupied 96.3% of the world's LED the market
IHS said, almost all of the top LED supplier - including the chemical, osram opto, Lumileds company, Seoul semiconductor wafer photoelectric photoelectric and three Ann sapphire wafers are adopted. LED substrate integrated global market analysis, plessy, lattice lighting and samsung mainly use silicon substrate, but the technology started late, the current industry on a smaller scale, market share is low; CREE company mainly adopts silicon carbide substrate, but because of its cost, and patent monopoly, almost no other enterprises involved in. Nakamura fix two leadership Soraa company known are adopting bulk gallium nitride (GaN) substrate, this is a good LED substrate material, but more expensive than a sapphire, and the production size is restricted, nor can be extensively used. So the sapphire substrate have rapid development, the mainstream market.
Sapphire in LED substrate manufacturing sector is expected to maintain a clear lead. Due to the low yield, lattice mismatch and sapphire wafers with prices and other reasons, the current high silicon substrate can't success instead of sapphire substrate. Other substrate, including silicon, silicon carbide and gallium nitride powder, is expected in the next few years there will be no big gains.
At present, the sapphire as LED substrate mainly has two major advantages: first, most of the existing industry expertise and production equipment and the sapphire production more matching; Second, strong sapphire, availability of low cost, can produce cheap LED products. Sapphire substrate, of course, also have many shortcomings. Such as lattice mismatch, thermal mismatch and the electrical and thermal conductivity of poor, but this has not been enough to affect the market status of sapphire substrate. Only when the future than the sapphire substrate products at lower prices and better performance, is it possible to change the existing market structure.
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