Disclosed is an electronic device that includes a window, a display panel that is disposed under the window and that has a display area and a non-display area defined therein, a lower member that is disposed under the display panel and that includes a lower conductive layer, a transmission line disposed between the display panel and the lower member, a conductive partition wall spaced apart from the transmission line and disposed to overlap the display area, and a housing coupled with the window to define a receiving space in which the display panel, the lower member, and the transmission line are disposed.