The OLED iPhone 8 said to use Samsung Display suppliers' circuit boards, 70 million units may be shipped26
flexible printed circuit boards" are most likely the display controllers, as Samsung is rumored to provide the bulk of the OLED screens for next year's iPhone. About 60 to 70 million of the boards are expected to be needed in total next year, and the first shipments are likely to start in Q2 2017, after all parts are assembled in Samsung's OLED display factory in Vietnam.All three are Samsung Display suppliers, indicating that these "
Where there's smoke, there is fire, so given that Samsung is now rumored to supply both the flexible screens, and the controllers for them, those analyst predictions that we might see the first iPhone with OLED display next year are starting to sound more credible by the day.
source: The Investor