1. Technical Field The present invention relates to an electronic device including a flexible display. 2. Description of the Related Art Electronic devices have displays so that users can conveniently use the electronic devices. The electronic devices have been developed to provide functions in accordance with user needs while maximizing portability. Accordingly, flexible display technology for electronic devices, in which the displays are thin and pliable, is needed. The above information disclosed in this Background section is only for enhancement of understanding of the background of the described technology and therefore it may contain information that does not form the prior art that is already known in this country to a person of ordinary skill in the art.