Year 2020: Samsung and LG to supply Apple iPhones 5.4", 6.1", and 6.7" OLED Displays.

Samsung Display will supply Apple iPhones 2020 models 5.4" and 6.7" OLED displays with on-cell touch (called Y-OCTA technology) and Samsung Display with LG Display will supply the 6.1" OLED  display, with not on-cell touch technology.

Apple is also planning to release a model with 5G  network support alongside the 3 models above detailed for the fall of 2020.

ET News and OLED-info