The largest OLED screen manufacturer on mobile phones is Samsung, which has started large-scale application of AMOLED screens as early as the first generation Galaxy S series. It is reported in the industry that Apple also plans to use OLED screens, and Samsung will supply more than 80% of them, while the remaining 20% will be provided by LG and Japan Display. Considering the low PPI of the iPhone screen, Samsung does not expect to use the most advanced OLED screen technology in this batch of products.

Another potential choice left by Apple is Sharp of Japan. Sharp has previously developed flexible OLED panel products and added its own IGZO technology, which is also an important reason for Foxconn parent company Hon Hai to acquire Sharp. Subsequent news said that, Hon Hai plans to invest 200 billion yen to develop OLED panels ， However, Sharp seems to be not very smooth in mass production of OLED screens. The latest news shows that Sharp will not have a mass production of OLED screens that meet Apple's requirements until at least two years later.