Samsung is both Apple's fiercest smartphone rival and its only option for foldable displays. A new report reveals just how deep that dependency runs, with a three-year exclusivity deal that locks Apple into Samsung Display for every foldable OLED panel it needs. And the initial production numbers? Way lower than anyone expected.Samsung Display locks in three years of foldable iPhone exclusivityAccording to the report, Samsung Display proposed the exclusive arrangement itself. The company apparently needed internal justification for handing its best foldable tech to a direct competitor of Samsung's own phone division. Recommended For You Apple accepted because it had…