The one thing all of us dread doing with an expensive new device is dropping it. The first thing we do is look at the screen and pray it hasn’t cracked or scratched. This is one of the reasons why many smart devices now have Corning Gorilla glass as it is shock and scratch resistant. However, good as it may be ,it isn’t the best product on the market. Try dropping your phone, screen down onto concrete; it’ll be surprising if it survives. That’s where Gorilla’s competitor comes in.
It’s called Sapphire and, at the moment, compared to Gorilla glass its expensive – 10 times more expensive. That will change as more and more manufacturers use it though, with GT Advanced Technologies expecting to see the price fall to around 5 times more than Gorilla in the next few years. While it still isn’t cheap it could make manufacturers sit and consider it for device display screens. For a start, it is the second hardest natural substance, after diamond; it is 3 times stronger and 3 times tougher than Gorilla and it is easy to produce.
Apple are already using Sapphire in the iPhone – the glass that covers the camera sensor? That’s sapphire. So it would seem that, for Apple to use this product for an entire display isn’t out of the question and may not be too far away. However, Sapphire is heavier than Corning glass, by around 60% so perhaps the only way to make use of it is to layer a cheaper glass with a micro thin layer of sapphire.
Have a look at this short video to see a Sapphire Display being used. In the meantime, Corning have announced their new glass, supposedly tougher than ever before and reported to be making its way onto the iPhone 6, iPad 5 and Mini.
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