Apple working on 5.8-inch iPhone with OLED display: report

Apple could be working on an iPhone with 5.8-inch OLED display. (Source: Reuters)
Apple’s working on a big 5.8-inch iPhone with an OLED display, claim some reports online, citing patents and supply chain sources.
The first is report from DigiTimes, via Motley Fool, which states that Apple is working on the 5.8 display with OLED. The report, which has been quoted by MacRumors and 9to5Mac claims that Apple is working with Samsung, LG and Sharp for the OLED panels.
DigiTimes quotes supply ch