An electronic device comprising: a housing comprising a first housing forming a first side surface of the electronic device, a second housing forming a second side surface corresponding to the first side surface, and a hinge connecting the first housing and the second housing, and being switchable to a folded or unfolded state about the hinge structure; a wireless communication circuit disposed inside the housing and transmitting and/or receiving a signal of a specified frequency by feeding to at least a part of the housing; and a display structure coupled to the housing, wherein the display structure comprises: a cover glass coupled to the housing and forming at least a part of a front surface of the electronic device; a display panel disposed adjacent to one surface of the cover glass; a first layer comprising a dielectric material and disposed under the display panel, wherein a first edge (401A, 401B, 511) of the first layer is spaced apart from the first side surface by a first distance; and a second layer disposed under the first layer, wherein a second edge of the second layer corresponding to the first edge of the first layer is spaced apart from the first side surface by a second distance less than the first distance, and wherein an edge of the display panel corresponding to the first edge of the first layer is spaced apart from the first side surface by a third distance greater than the second distance and smaller than the first distance, wherein the first edge (401A, 401B, 511) of the first layer, the second edge of the second layer, and the edge of the display panel are formed in a region corresponding to a region which operates as an antenna radiator by being fed from the wireless communication circuit among the housing. a housing comprising a first housing forming a first side surface of the electronic device, a second housing forming a second side surface corresponding to the first side surface, and a hinge connecting the first housing and the second housing, and being switchable to a folded or unfolded state about the hinge structure; a wireless communication circuit disposed inside the housing and transmitting and/or receiving a signal of a specified frequency by feeding to at least a part of the housing; and a display structure coupled to the housing, wherein the display structure comprises: a cover glass coupled to the housing and forming at least a part of a front surface of the electronic device; a display panel disposed adjacent to one surface of the cover glass; a first layer comprising a dielectric material and disposed under the display panel, wherein a first edge (401A, 401B, 511) of the first layer is spaced apart from the first side surface by a first distance; and a second layer disposed under the first layer, wherein a second edge of the second layer corresponding to the first edge of the first layer is spaced apart from the first side surface by a second distance less than the first distance, and wherein an edge of the display panel corresponding to the first edge of the first layer is spaced apart from the first side surface by a third distance greater than the second distance and smaller than the first distance, wherein the first edge (401A, 401B, 511) of the first layer, the second edge of the second layer, and the edge of the display panel are formed in a region corresponding to a region which operates as an antenna radiator by being fed from the wireless communication circuit among the housing. a cover glass coupled to the housing and forming at least a part of a front surface of the electronic device; a display panel disposed adjacent to one surface of the cover glass; a first layer comprising a dielectric material and disposed under the display panel, wherein a first edge (401A, 401B, 511) of the first layer is spaced apart from the first side surface by a first distance; and a second layer disposed under the first layer, wherein a second edge of the second layer corresponding to the first edge of the first layer is spaced apart from the first side surface by a second distance less than the first distance, and wherein an edge of the display panel corresponding to the first edge of the first layer is spaced apart from the first side surface by a third distance greater than the second distance and smaller than the first distance, wherein the first edge (401A, 401B, 511) of the first layer, the second edge of the second layer, and the edge of the display panel are formed in a region corresponding to a region which operates as an antenna radiator by being fed from the wireless communication circuit among the housing.