For a period of time, smartphone makers competed with each other by releasing increasingly bigger handsets. More recently, the focus has shifted to full-front displays, and how to implement (or avoid) the notch that Apple popularized with its iPhone X. Looking ahead, folding phones might be the next frontier, and LG is planning to participate.

LG

Source: Hot Hardware – LG Foldi, Flex And Duplex Trademarks Point To Folding Smartphone Future