An antenna structure according to an embodiment of the present disclosure includes a transmission line, and a radiator connected to the transmission line, the radiator having a linear perimeter region and a plurality of curved perimeter regions separated by the linear perimeter region, wherein an outermost portion of the radiator from the transmission line in a planar view has any one of the curved peripheral regions. A broadband antenna structure covering low frequency and high frequency bands is provided.

An antenna structure according to an embodiment of the present disclosure includes a transmission line, and a radiator connected to the transmission line, the radiator having a linear perimeter region and a plurality of curved perimeter regions separated by the linear perimeter region, wherein an outermost portion of the radiator from the transmission line in a planar view has any one of the curved peripheral regions. A broadband antenna structure covering low frequency and high frequency bands is provided.

According to certain embodiments, an electronic device comprises: a first housing including a plurality of conductive portions electrically separated from each other and disposed on at least a portion of a side surface of the first housing; a second housing slidably coupled to the first housing; a flexible display supported by the first housing and the second housing and having a display area that is changable by sliding the second housing; and a wireless communication circuit disposed in the first housing and configured to transmit and receive wireless signals in a plurality of frequency bands via the plurality of conductive portions, wherein the plurality of conductive portions includes a first conductive portion and a second conductive portion, wherein the first conductive portion and the second conductive portion have a U shape or C shape and are electrically separated from each other, and wherein the first conductive portion is spaced apart from the first housing.

According to certain embodiments, an electronic device comprises: a first housing including a plurality of conductive portions electrically separated from each other and disposed on at least a portion of a side surface of the first housing; a second housing slidably coupled to the first housing; a flexible display supported by the first housing and the second housing and having a display area that is changable by sliding the second housing; and a wireless communication circuit disposed in the first housing and configured to transmit and receive wireless signals in a plurality of frequency bands via the plurality of conductive portions, wherein the plurality of conductive portions includes a first conductive portion and a second conductive portion, wherein the first conductive portion and the second conductive portion have a U shape or C shape and are electrically separated from each other, and wherein the first conductive portion is spaced apart from the first housing.

An antenna structure is arranged at an edge region of a shell of a mobile terminal. The antenna structure includes at least one segment of antenna body and includes a first surface and a second surface opposite to each other, in which a first surface of the antenna body includes an attachment region attached to the edge region in a conformal manner. The antenna structure further includes a connecting portion connected to the antenna body, at least one of a first surface of the connecting portion and a second surface of the connecting portion being used for electrical connection with a feed unit of the mobile terminal or grounding.

A communication device includes a dielectric substrate, a radiating element that has a flat shape and that is formed on the dielectric substrate, a housing that covers the dielectric substrate, and a rib. The rib is disposed in contact with the housing and the dielectric substrate. Feed points to which a radio frequency signal from an RFIC is supplied are formed in the radiating element. The rib and the dielectric substrate are in contact with each other in a center side region of the radiating element relative to the feed points, in a plan view from a normal direction of the dielectric substrate.

A communication device includes a dielectric substrate, a radiating element that has a flat shape and that is formed on the dielectric substrate, a housing that covers the dielectric substrate, and a rib. The rib is disposed in contact with the housing and the dielectric substrate. Feed points to which a radio frequency signal from an RFIC is supplied are formed in the radiating element. The rib and the dielectric substrate are in contact with each other in a center side region of the radiating element relative to the feed points, in a plan view from a normal direction of the dielectric substrate.

A mobile device for reducing SAR (Specific Absorption Rate) includes a ground element, a first radiation element, a second radiation element, and a third radiation element. The ground element has a slot. The first radiation element is coupled to a feeding point. The second radiation element is coupled to the ground element. The third radiation element is coupled to the feeding point and has a hollow portion. The third radiation element is substantially surrounded by the ground element, the first radiation element, and the second radiation element. An antenna structure is formed by the ground element, the first radiation element, the second radiation element, and the third radiation element.

An electronic device is provided. The electronic device includes a housing, an antenna structure disposed in an inner space of the housing and including a substrate having a first substrate surface and a second substrate surface facing a direction opposite the first substrate surface, and configured to have a first dielectric constant, a plurality of antenna elements disposed on the substrate at a designated interval and forming a directional beam in a direction toward which the first substrate surface faces, and at least one dielectric disposed on the first substrate surface and configured to have a second dielectric constant, and a wireless communication circuit disposed in the inner space and configured to at least one of transmit or receive a wireless signal in at least one frequency band through the plurality of antenna elements.

An electronic device is provided. The electronic device includes a housing, an antenna structure disposed in an inner space of the housing and including a substrate having a first substrate surface and a second substrate surface facing a direction opposite the first substrate surface, and configured to have a first dielectric constant, a plurality of antenna elements disposed on the substrate at a designated interval and forming a directional beam in a direction toward which the first substrate surface faces, and at least one dielectric disposed on the first substrate surface and configured to have a second dielectric constant, and a wireless communication circuit disposed in the inner space and configured to at least one of transmit or receive a wireless signal in at least one frequency band through the plurality of antenna elements.