Antenna and electronic device including same

1. An electronic device comprising:

a foldable housing comprising:

a hinge structure comprising at least one first conductive portion,

a first housing structure connected to the hinge structure, and comprising a first surface oriented in a first direction, a second surface oriented in a second direction that is opposite to the first direction, and a first side member surrounding at least a part of a space between the first surface and the second surface and comprising at least one second conductive portion, and

a second housing structure connected to the hinge structure, and comprising a third surface oriented in a third direction, a fourth surface oriented in a fourth direction that is opposite to the third direction, and a second side member surrounding at least a part of a space between the third surface and the fourth surface, the second housing structure being foldable with respect to the first housing structure about the hinge structure,

wherein the foldable housing is configured such that the first surface faces the third surface in a folded state of the foldable housing and the third direction is identical to the first direction in an unfolded state of the foldable housing;

a flexible display extending from the first surface to the third surface; and

a wireless communication circuit electrically connected to the first conductive portion in the folded state and electrically connected to the second conductive portion in the unfolded state, and configured to at least one of transmit or receive a signal having a selected frequency.

2. The electronic device of claim 1 , further comprising:

a switch comprising a first terminal, a second terminal, and a third terminal,

wherein the first terminal is electrically connected to the wireless communication circuit,

wherein the second terminal is electrically connected to the first conductive portion,

wherein the third terminal is electrically connected to the second conductive portion, and

wherein the switch electrically connects the wireless communication circuit and the first conductive portion in the folded state, and electrically connects the wireless communication circuit and the second conductive portion in the unfolded state.

3. The electronic device of claim 2 , further comprising:

a processor electrically connected to the flexible display, the wireless communication circuit, and the switch,

wherein the processor is configured to identify, based on information acquired by at least one sensor disposed in the electronic device, the folded state or the unfolded state to control the switch.

4. The electronic device of claim 1 ,

wherein the first side member is coupled to the second surface or integrally formed with the second surface, and

wherein the second side member is coupled to the fourth surface or integrally formed with the fourth surface.

5. The electronic device of claim 1 ,

wherein the hinge structure comprises a hinge cover that covers a foldable portion of the foldable housing, and

wherein the hinge cover comprises the at least one first conductive portion.

6. The electronic device of claim 5 , wherein at least a part of the hinge cover is covered by the first housing structure and the second housing structure in the unfolded state, and is exposed between the first housing structure and the second housing structure in the folded state.

7. The electronic device of claim 5 , further comprising:

a flexible conductive member disposed in the hinge structure, and electrically connected to the wireless communication circuit,

wherein the flexible conductive member is electrically connected to the at least one first conductive portion when the unfolded state is changed to the folded state.

8. The electronic device of claim 7 , wherein the flexible conductive member comprises at least one of a C clip, a pogo pin, a spring, conductive poron, conductive rubber, or a conductive tape.

9. The electronic device of claim 1 ,

wherein the hinge structure further comprises:

a conductive first hinge plate connected to the first housing structure;

a conductive second hinge plate connected to the second housing structure; and

at least one hinge connecting the first hinge plate and the second hinge plate, and

wherein at least one of the first hinge plate, the second hinge plate, or the at least one hinge comprises a first conductive portion.

10. The electronic device of claim 9 , wherein the first hinge plate and the second hinge plate are electrically connected to each other through the at least one hinge.

11. The electronic device of claim 9 , wherein the hinge cover is electrically connected to the hinge.

12. The electronic device of claim 11 , wherein the hinge cover and the hinge are electrically connected to each other through at least one bolt that couples the hinge cover and the hinge.

13. The electronic device of claim 1 , further comprising:

a ground electrically connected to the at least one first conductive portion and the at least one second conductive portion.

14. The electronic device of claim 1 ,

wherein the second side member comprises at least one third conductive portion, and

wherein the at least one second conductive portion and the at least one third conductive portion are disposed to face each other in the folded state.

15. The electronic device of claim 14 ,

wherein the at least one second conductive portion comprises a plurality of second conductive portions that are physically separated from each other while a first nonconductive member being interposed therebetween,

wherein the at least one third conductive portion comprises a plurality of third conductive portions that are physically separated from each other while a second nonconductive member being interposed therebetween, and

wherein the first nonconductive member and the second nonconductive member are aligned in the folded state.