Electronic device including antenna
According to an example embodiment, an electronic device includes: a housing including a front surface, a rear surface opposite to the front surface, and a side surface surrounding at least a portion of an internal space between the front surface and the rear surface, the side surface comprising a conductive material; a wireless communication circuit disposed in the internal space, and an antenna structure including an antenna electrically connected to the wireless communication circuit. The antenna structure includes, an antenna slit formed in an area of the side surface comprising the conductive material and having a longitudinal direction, a feeder configured to apply a current to the antenna slit, and a conductive member comprising a conductive material connected to the side surface to cover at least a portion of the antenna slit.
1. An electronic device, comprising:
a housing comprising a front surface, a rear surface opposite to the front surface, and a side surface surrounding at least a portion of an internal space between the front surface and the rear surface, the side surface comprising a conductive material;
a wireless communication circuit disposed in the internal space; and
an antenna structure including an antenna electrically connected to the wireless communication circuit,
wherein the antenna structure comprises:
an antenna slit formed in an area of the side surface comprising the conductive material and having a longitudinal direction;
a feeder configured to apply a current to the antenna slit;
a conductive member comprising a conductive material connected to the side surface to cover at least a portion of the antenna slit,
wherein the antenna slit comprises:
a first slit area in which the feeder is disposed and at least a portion of the first slit area is open to an outside of the electronic device, wherein the first slit area has a first width vertical to the longitudinal direction;
a second slit area extending from the first slit area in the longitudinal direction and having a width different from that of the first slit area, wherein the second slit area has a second width vertical to the longitudinal direction and the second width narrower than the first width;
a plurality of auxiliary slits formed in an extending direction vertical to the longitudinal direction and communicating with the second slit area,
wherein the plurality of auxiliary slits comprises a first auxiliary slit, a second auxiliary slit and a third auxiliary slit formed to be separate from each other and formed along a longitudinal direction of the second slit area from the first slit area,
wherein the conductive member is disposed to cross the width direction of the second slit area within the second slit area, and the conductive member is disposed only at one of the positions between the first slit area and the first auxiliary slit, or between the first auxiliary slit and the second auxiliary slit, or between the second auxiliary slit and the third auxiliary slit, and a resonance of the antenna slit changes based on an arrangement position of the conductive member with respect to the second slit area;
wherein a dielectric is disposed in the second slit area extending in a direction opposite to the first slit area from the position in which the conductive member is disposed.
2. The electronic device of claim 1 , wherein at least two of the auxiliary slits have different lengths in the extending direction.
3. The electronic device of claim 1 , wherein the auxiliary slits have substantially a same length in the extending direction.
4. The electronic device of claim 1 , wherein the auxiliary slit comprises a first auxiliary slit area and a second auxiliary slit area respectively formed in both directions of the second slit area vertical to the longitudinal direction.
5. The electronic device of claim 4 , wherein a length of the first auxiliary slit area extending from the second slit area and a length of the second auxiliary slit area extending from the second slit area are substantially the same.
6. The electronic device of claim 4 , wherein a length of the first auxiliary slit area extending from the second slit area and a length of the second auxiliary slit area extending from the second slit area are different lengths extending from the second slit area.
7. The electronic device of claim 1 , further comprising:
a shielding member comprising a shielding material disposed to cover at least a portion of the second slit area,
wherein a position of the shielding member with respect to the second slit area is opposite to the first slit area with respect to the conductive member.
8. The electronic device of claim 1 , wherein the antenna slit further comprises:
at least one auxiliary slit extending in a direction vertical to a longitudinal direction of the second slit area,
wherein a central axis of the second slit area parallel to the longitudinal direction and passing through a center of a width changes with respect to the auxiliary slit.
9. The electronic device of claim 1 , wherein the first slit area and the second slit area are different in a central axis parallel to the longitudinal direction and passing through a center of a width.