Currently 80 percent of sapphire applications are used in sapphire substrate while the other 20 percent is for non-substrate materials, according to Chinese-language online media Finance.com.cn estimations. Sapphire that is used in substrate is mainly applied in LED lighting and Si On Sapphire (SOS) related products, with LED lighting accounting  for over 90 percent. Therefore demands from LED lighting directly affect sapphire substrate and is the market’s main focus.