Samsung display will supply two sizes of OLED panels for the iPhone 9, with screen sizes of 5.28 inches and 6.46 inches, the report said. It will be more than twice as many as the iPhone 8, to about 180 million pieces.

　"The two companies recently signed a confidentiality agreement and reached an agreement on general supply conditions, such as screen size," the Korean Herald quoted people familiar with the matter as saying. But some other details, such as screen design and functions, need to be further discussed, because next year's iPhone is still under development. "

　It is reported that Samsung plans to build an OLED manufacturing plant in asan Industrial Park in South Chungcheong province, produce Screen for iPhone only. Samsung display's total investment in OLED production line is expected to reach 10 trillion won (about 9 billion US dollars) this year.