Electronic device including flexible display

An electronic device comprising:

• a housing comprising a first side housing part and a second side housing part, which are positioned opposite to each;
• a plate capable of being slid out from the housing in a second direction perpendicular to a first direction oriented from the first side housing part toward the second side housing part;
• a flexible display comprising a first area disposed on one surface of the plate, and a second area extending from the first area and at least partially drawn out from an inner space of the housing when the plate is slid out;
• a curved member positioned in an inner space of the housing to correspond to the second area;
• a multi-bar support structure extending to a space between the second area and the curved member, and coupled to overlap the second area;
• a first linear gear and a third linear gear positioned on another surface of the plate;
• a linear gear structure connected to the multi-bar structure, and comprising a second linear gear and a fourth linear gear;
• a first circular gear coupled to a first support member disposed or included in the first side housing part to be capable of being rotated about a first rotation shaft in the first direction, and engaged with the first linear gear and the second linear gear between the first linear gear and the second linear gear;
• and
• a second circular gear spaced apart from the first rotation shaft in the first direction and coupled to a second support member disposed or included in the second side housing part to be capable of being rotated about a second rotation shaft parallel to the first rotation shaft, the second circular gear being engaged with the third linear gear and the fourth linear gear between the third linear gear and the fourth linear gear,
• wherein the first circular gear and the second circular gear are spaced apart from the curved member in a third direction opposite to the second direction, and
• wherein, in a state in which the plate is slid out, when viewed from above the first area, a portion of the multi-bar structure overlaps the second linear gear, and the first linear gear does not overlap the multi-bar structure.