The team took inspiration from functional glass you encounter every day – a car’s windscreen and sunglasses. The end result is a Gorilla Glass 5 mix of both.
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Over 70 prototypes were tested before the right recipe was found. It includes five laminated layers, each with nanocoating that creates a polarization effect to subtly darken each layer. This creates a uniform color that doesn’t shift as light changes. An anti-fingerprint coating was added at the end to maintain the clean look.
News credit : Gsmarena