Antenna and electronic device comprising same
According to various embodiments, an electronic device includes a front cover; a rear cover facing away from the front cover; a side frame surrounding a space between the front cover and the rear cover and at least partially includes a first conductive portion; a first array antenna includes a first substrate disposed in the space and a plurality of first antenna elements disposed on the first substrate and configured to form a beam pattern toward the first conductive portion; and a wireless communication circuit configured to transmit and/or receive, via the first array antenna, a wireless signal in a first frequency range. The first conductive portion includes, in a portion corresponding to the first array antenna, a plurality of first slits provided to be spaced apart from each other and to have a length in a first direction perpendicular to a polarization of the first array antenna.
1. An electronic device, comprising:
a front cover;
a rear cover facing away from the front cover;
a side frame surrounding a space between the front cover and the rear cover and at least partially including a first conductive portion;
a first array antenna including a first substrate disposed in the space and a plurality of first antenna elements disposed on the first substrate, the plurality of first antenna elements being configured to form a beam pattern toward the first conductive portion;
a wireless communication circuit configured to transmit or receive a wireless signal in a first frequency range via the first array antenna; and
an acoustic sound device disposed in the space,
wherein the first conductive portion includes, in a portion corresponding to the first array antenna, a plurality of first slits provided to be spaced apart from each other and to have a length in a first direction perpendicular to a polarization of the first array antenna,
wherein the plurality of first slits are at least partially filled with a dielectric material, and
wherein at least a portion of the dielectric material includes an acoustic hole, the acoustic hole being used as a sound transmission passage of the acoustic sound device.
2. The electronic device of claim 1 , wherein the plurality of first antenna elements are configured to have equal or unequal phases and to form a beam.
3. The electronic device of claim 1 , wherein the first frequency range includes a frequency range of 20 GHz to 100 GHz.
4. The electronic device of claim 1 , wherein each of the plurality of first slits has a length of 2.5 to 4 mm.
5. The electronic device of claim 1 , wherein each of the plurality of first slits has a width of 0.6 to 0.8 mm.
6. The electronic device of claim 1 , further comprising a second conductive portion disposed on at least one of the front cover and the rear cover near the first conductive portion.
7. The electronic device of claim 6 , wherein the first conductive portion and the second conductive portion are connected via a non-conductive portion.
8. The electronic device of claim 7 , further comprising:
a second array antenna including a second substrate disposed on a portion corresponding to the second conductive portion in the space and a plurality of second antenna elements disposed on the second substrate,
wherein the second conductive portion includes, in a portion corresponding to the second array antenna, a plurality of second slits provided to be spaced apart from each other and have a length in a second direction perpendicular to a polarization of the second array antenna.
9. The electronic device of claim 8 , wherein
the first array antenna is disposed to form first beam patterns,
the second array antenna is disposed to form second beam patterns, and
the first beam patterns are perpendicular to the second beam patterns.
10. The electronic device of claim 9 , wherein the first substrate is electrically connected to the second substrate via an electrical connection member.
11. The electronic device of claim 10 , wherein the second substrate includes the wireless communication circuit.
12. The electronic device of claim 11 , wherein the wireless communication circuit is configured to transmit or receive the wireless signal in the first frequency range via at least one of the first array antenna and the second array antenna.
13. The electronic device of claim 1 , wherein the dielectric material has a dielectric constant in a range of 4 to 10.
14. The electronic device of claim 1 , wherein at least some of the plurality of first antenna elements is disposed to have a first inclination angle, and
the remaining antenna elements are disposed to have a second inclination angle perpendicular to the first inclination angle.
15. The electronic device of claim 14 , wherein a plurality of slits corresponding to the antenna elements having the first inclination angle among the plurality of first slits are disposed to have a length in a direction having the second inclination angle, and
a plurality of slits corresponding to the remaining antenna elements having the second inclination angle among the plurality of first slits are disposed to have a length in a direction having the first inclination angle.
16. The electronic device of claim 1 , further comprising a display disposed in the space to be visible from the outside through at least a portion of the front cover.
17. An electronic device, comprising:
a front cover;
a rear cover facing a direction opposite to the front cover;
a side frame surrounding a space between the front cover and the rear cover and at least partially including a first conductive portion;
a second conductive portion disposed on at least one of the front cover and the rear cover near the first conductive portion;
a first array antenna including a first substrate disposed in the space and a plurality of first antenna elements disposed on the first substrate, the plurality of first antenna elements being configured to form a beam pattern toward the first conductive portion;
a second array antenna including a second substrate disposed on a portion corresponding to the second conductive portion in the space and a plurality of second antenna elements disposed on the second substrate;
a wireless communication circuit configured to perform, via the first array antenna or the second array antenna, at least one of a transmission and a reception of a wireless signal in a first frequency range; and
an acoustic sound device disposed in the space,
wherein the first conductive portion includes, in a portion corresponding to the first array antenna, a plurality of first slits provided to be spaced apart from each other and to have a length in a first direction perpendicular to a polarization of the first array antenna,
wherein the second conductive portion includes, in a portion corresponding to the second array antenna, a plurality of second slits provided to be spaced apart from each other and have a length in a second direction perpendicular to a polarization of the second array antenna,
wherein the plurality of first slits are at least partially filled with a dielectric material, and
wherein at least a portion of the dielectric material includes an acoustic hole, the acoustic hole being used as a sound transmission passage of the acoustic sound device.