For the mobile phone industry, the sapphire is actually not really a new thing.Manufacturers want to use sapphire screen, largely because of the toughness of this material.Sapphire toughness is 4 times the glass. There have been some mobile phone products used this material as a mobile phone screen, but are mainly some high-end products, such as Vertu part of the model.Corning's Gorilla Glass is currently widely used by a large number of high-end flagship mobile phone screen technology,Many popular models, including HTC One, GalaxyS4, LG G2 and Lumia1520, use Gorilla Glass as a screen glass.