A team of researchers in Japan have developed a new technology for creating GaN LEDs on glass substrate, according to Japanese media source Nikkei Technology.

With big smartphone manufacturers such as Apple and LG introducing sapphire substrate into smartphone camera lens protector caps and home buttons, the market predicts that in 2014 sapphire substrate will also be used to replace glass in smartphone screens. Glass substrate manufacturer Corning, however, maintains a guarded opinion towards the replacement as production costs for sapphire substrate are high and sapphire substrate, which is as thin as glass substrate Gorilla Glass has a higher damage rate.