Samsung unveiled ... shifting from an 8.1-inch screen to a 12.4-inch tablet. On the other hand, the Slidable Flex Solo transforms from a 5.1-inch smartphone to a slightly bigger 6.7-inch screen.

Slidable OLED panels showcased, including models that extend sizes of tablets and phones. Samsung Display ... expands from a compact 5.1-inch smartphone screen into a 6.7-inch display.