Complex sentence: At the 2013 Consumer Electronics Show, Samsung presented two concept prototypes for smartphones that incorporated flexible displays; of these was the Youm, which had a display that wrapped around the right side edge of the device.
Split into simpler sentences: At the 2013 Consumer Electronics Show, Samsung presented concepts for smartphones that incorporated flexible displays. One of these was the Youm, a proof of concept prototype which had a display that wrapped around the right edge of the device.