An electronic device is provided. The electronic device includes a first printed circuit board having a first surface and a second surface, a second printed circuit board having a first surface and a second surface disposed to be spaced apart from the first printed circuit board, a battery disposed between the first printed circuit board and the second printed circuit board, a first connection member to electrically connect the first printed circuit board and the second printed circuit board, and a second connection member to electrically connect the first printed circuit board and the second printed circuit board, wherein the first connection member and the second connection member may be arranged to at least partially overlap at a portion passing by the battery.

A wireless communication system comprising a smartphone comprising antenna system, and an add-on device that is configured to be attached to the smartphone, wherein, the add-on device comprises, a wireless communication module configured to transmit and receive RF communication signals, and an antenna coupling system that couples between the wireless communication module and the smartphone's antenna system in order to at least transmit or receive the RF communication signals by the smartphone's antenna system, the antenna coupling system couples the RF communication signals by at least one of or the combination of (a) conduction with the enclosure of the smartphone, and (b) induction between the add-on device and the smartphone.

According to an embodiment, an electronic device is provided. the electronic device may comprise: a housing including a conductive portion and a non-conductive portion; a first substrate; at least one electronic component disposed on the first substrate; a second substrate electrically coupled to the first substrate, the second substrate including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction; at least one contact member disposed between the first surface of the second substrate and the conductive portion of the housing; and a support member disposed between the first surface of the second substrate and the non-conductive portion of the housing.

Provided is an electronic device including a cable connector. The electronic device including a cable connector according to various embodiments of the disclosure may include: a cable including a connector part comprising a connector connected to one end part of the cable and configured to deliver an electrical signal, and a cable coupling part comprising a coupler including an opening and an internal surface configured to have the connector part of the cable inserted therein and combined therewith, the cable coupling part being electrically connected to the connector part. The connector part may include a hook part comprising a hook configured to snap and combine the connector part with the cable coupling part by being elastically deformed based on the connector part being inserted into the cable coupling part, and a contact part comprising a contact separated from the hook part and configured to form an electrical contact with the cable coupling part by pressurizing at least a part of the internal surface of the cable coupling part by its elastic force by being elastically deformed independently of the hook part based on the connector part being combined with the cable coupling part. In various embodiments, the hook part may be extended from the connector part and bent and formed in a direction opposite to a direction in which the connector part is combined with the cable coupling part. An angle of the bending may be set so that the hook part has an overlap with the internal surface of the cable coupling part, so that the hook part may elastically pressurize the internal surface of the cable coupling part.

An electronic device is provided. The electronic device includes a frame, a first partition wall protruding from the frame in a first direction and dividing the frame into a first area and a second area, a second partition wall portion protruding from the frame in the first direction and dividing the frame into a second area and a third area, a first printed circuit board disposed in the first area, a battery disposed in the second area, a second printed circuit board disposed in the third area, and a display circuit including at least two flexible printed circuit boards. The flexible printed circuit boards include an overlapping area in which at least some areas overlap, the overlapping area being disposed in the second area, and, in the frame, an opening is formed in a portion facing the overlapping area.

According to an embodiment disclosed in the specification, an electronic device comprises a battery disposed inside the electronic device; a printed circuit board (PCB) disposed inside the electronic device; at least one electronic component disposed on the PCB; and a first buck converter having a first end and a second end, wherein the first end is routed to the battery; and a second buck converter having a first end and a second end, wherein the first end is selectively electrically connected to the second end of the first buck converter, and the second end is routed to the at least one electronic component, and wherein the first buck converter and the second buck converter are configured to boost a voltage provided from the battery through an electrical path formed from the battery by the first end of the first buck converter, and the second end of the first buck converter, the first end of the second buck converter and the second end of the second buck converter to the at least one electronic component.

An electronic device according to various embodiments of the present invention comprises: a housing that includes a first plate oriented in a first direction, a second plate oriented in a second direction opposite to the first direction, and a side member covering a space between the first plate and the second plate; a printed circuit board disposed in the space of the housing; a contact structure that is processed and formed toward at least one side of the printed circuit board from the side member of the housing and provides a contact point with an external electronic device; and a contact point structure that is disposed between the contact structure and the printed circuit board. The contact structure includes: at least one contact part of which at least a part is exposed to an external space and is made of the same material as the side member; and an insulating part, disposed around the at least one contact part, for separating the contact part and the side member from each other.

An electronic device according to an embodiment may include a housing comprising: an outer portion defining at least a portion of an exterior of the electronic device and comprising a first conductive material, an inner portion comprising a second conductive material having a first melting point different from that of the first conductive material and at least partially defining a space for receiving multiple electronic components arranged inside the electronic device, and a middle portion comprising a third conductive material having a second melting point and an injection molded insulator, wherein the third conductive material of the middle portion and the first conductive material of the outer portion are coupled to form a concave-convex structure, a difference between the first melting point and the second melting point is in a first range, and the third conductive material of the middle portion is electrically connected to the second conductive material of the inner portion.

A mobile electronic device includes a main framework having a motherboard, a back cover covering the main framework and having an expansion window, and an expansion unit is disclosed. The expansion unit includes a door cover covering the expansion window. The door cover includes a back plate and a lateral plate, the lateral plate having an opening. A functional module is disposed on an inner side of the door cover, electrically connected to the motherboard, and has a first side on which an operation interface is disposed. The operation interface faces the opening in the lateral plate.

Various embodiments of the present disclosure relate to an electronic device which may include: a circuit board; at least one electronic component mounted on the upper surface of the circuit board; at least one connector mounted on the upper surface of the circuit board and electrically connected to the circuit board or the at least one electronic component; and a conductive frame which includes a side wall surrounding a space, in which the at least one electronic component and the at least one connector are disposed, and an extension part extending from one end of the side wall into the space.