Antenna having single non-conductive portion and electronic device including the same

1. An electronic device comprising:

a foldable housing including:

a hinge structure;

a first housing structure connected to the hinge structure and including:

a first surface facing in a first direction,

a second surface facing in a second direction opposite to the first direction, and

a first side member,

wherein the first side member encloses at least a portion of a space between the first surface and the second surface and includes a first conductive portion, a first non-conductive portion, and a second conductive portion arranged in sequence from the hinge structure; and

a second housing structure connected to the hinge structure and foldable with the first housing structure with respect to the hinge structure, and including:

a third surface facing in a third direction,

a fourth surface facing in a fourth direction opposite to the third direction, and

a second side member,

wherein the second side member encloses at least a portion of a space between the third surface and the fourth surface and includes a third conductive portion, a second non-conductive portion, a fourth conductive portion, a third non-conductive portion, and a fifth conductive portion arranged in sequence from the hinge structure, and

wherein the first surface faces the third surface in a folded state and the third direction is the same as the first direction in an unfolded state;

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

a printed circuit board disposed between the first surface and the second surface and including at least one ground layer;

at least one wireless communication circuit disposed in the printed circuit board and including:

a first electrical path carrying a first signal of a first frequency band, and

a second electrical path carrying a second signal of a second frequency band;

a first variable element including:

a first terminal electrically connected to the first electrical path, a second terminal electrically connected to the at least one ground layer, and

a third terminal electrically connected to a first position of the second conductive portion; and

a second variable element including:

a fourth terminal electrically connected to the second electrical path,

a fifth terminal electrically connected to the at least one ground layer, and

a sixth terminal electrically connected to a third electrical path connected to a second position of the second conductive portion, the second position being closer to the first non-conductive portion than the first position.

2. The electronic device of claim 1 , wherein the first non-conductive portion at least partially overlaps the second non-conductive portion when viewed from above the first surface in the folded state.

3. The electronic device of claim 1 ,

wherein the first frequency band includes frequencies in a range of about 900 MHz to about 1200 MHz, and

wherein the second frequency band includes frequencies in a range of about 750 MHz to about 850 MHz.

4. The electronic device of claim 1 , wherein the third electrical path includes at least one conductive pattern coupled with the second position through a dielectric.

5. The electronic device of claim 4 , wherein the third electrical path further includes a flexible connection member between the conductive pattern and the second position.

6. The electronic device of claim 1 , wherein the first variable element includes a tunable integrated capacitor (IC).

7. The electronic device of claim 1 , wherein the second variable element includes a switch.

8. The electronic device of claim 1 , wherein a third position of the second conductive portion farther than the first position from the first non-conductive portion is electrically connected to the at least one ground layer of the printed circuit board through a fourth electrical path.