Apple is expected to begin shifting iPhones from LCD displays to improved OLED screens starting in 2018, according to Nikkei Asian Review. Currently the display technology is only used by Apple to produce Apple Watch displays while iPhones and iPads use older LCD technology. OLED benefits from greater contrast levels and much deeper blacks as the display only illuminates to present color. This offers energy efficiency that leads to improved battery life compared lighting up the entire display each time. expand full story