Group 1 - Samsung Display is considering increasing investment in its A4 factory in Asan, South Korea, to expand production capacity for Apple's foldable OLED screens, particularly in backplane facilities [1] - The company plans to start this investment in the second quarter, responding to the anticipated increase in production of Apple's foldable products next year [1] - Samsung Display has already established a dedicated production line for Apple's foldable screens in its A3 factory, capable of producing 15 million 7-inch foldable OLED panels annually [1] Group 2 - The iPhone Fold, Apple's first foldable phone, is expected to have an internal screen size of 7.58 inches and an external screen size of 5.35 inches, with an estimated production volume of 10 million units in its first year [1] - Samsung Display is the exclusive supplier of foldable OLED panels for Apple and is expected to maintain this position for several years due to its pioneering technology in foldable OLED production [2]