An electronic device includes a housing comprising a first surface, a second surface, and a side surface, a touch screen display positioned inside the housing, wherein the display comprises a display panel and a touch panel that is separated from or integrated with the display panel, a conductive member (conductor) forming at least a portion of the side surface, at least one substantially transparent conductive pattern that is integrated into the display, a ground member (ground) interposed between the first surface and the second surface, a wireless communication circuit including a port electrically coupled to the conductive member, and a processor electrically coupled to the display and the wireless communication circuit. The substantially transparent conductive pattern is electrically coupled to the port of the wireless communication circuit and/or the ground member.