Samsung Electronics and LG Electronics are expected to release smartphones with 5-inch flexible displays as soon as September, according to a Korean-language DigitalTimes report citing sources from the panel industry.

Samsung's flexible display smartphone is expected to adopt three-sided display technology, while LG's flexible display for smartphones will feature QHD resolution with a pixel density of 510ppi. LG is looking to compete with its image-quality advantage, the report added.