An electronic device includes a first housing; a second housing configured to be sliding relative to the first housing; a flexible display, wherein at least part of the flexible display is supported by the second housing and a size of the flexible display viewable from a front surface of the electronic device changes in accordance with a sliding of the second housing; a guide member configured to operatively connect at least part of the first housing and at least part of the second housing for the sliding of the second housing; and a conductive layer disposed between a portion of the second housing and the flexible display, wherein the second housing includes a first support portion supporting a first portion of the flexible display; and a second support portion supporting a second portion of the flexible display and allowing the second portion of the flexible display to be bent, and wherein the conductive layer is configured to electrically connect at least a part of the flexible display and the second support portion.