Electronic device including flexible display

An electronic device comprising:

• a first housing;
• a second housing slidably coupled to the first housing along a first direction and moving with respect to the first housing between a slide-in state and a slide-out state;
• a bendable member comprising a plurality of multi-bars;
• a support plate configured to support at least a portion of the bendable member;
• and
• a flexible display supported by the bendable member,
• wherein the support plate comprises a guide slit formed to have a length along the first direction,
• wherein a part of multi-bars among the plurality of multi-bars, which are positioned corresponding to a portion of the flexible display that is exposed to the outside of the electronic device in the slide-out state comprise a plurality of engaging protrusions configured to be engaged with the guide slit, and
• wherein the bendable member comprises a guide protrusion formed at each of the opposite ends of each of the plurality of multi-bars, each of the guide protrusions is guided to move along a guide groove formed at a position corresponding to the guide protrusion in the second housing.