Antenna assembly and method for manufacturing same
Disclosed is an antenna assembly including a substrate, and a wireless charge antenna pattern on the substrate. The wireless charge antenna pattern has a sectional surface including a plurality of inner angles in which two inner angles are different from each other. The antenna assembly includes a wireless communication antenna pattern formed on the substrate and provided at an outside of the wireless charge antenna pattern. The wireless communication antenna pattern has a plurality of inner angles at a sectional surface thereof, and a plurality of angle values of the inner angles provided at the sectional surface of the wireless communication antenna pattern correspond to a plurality of angle values of the inner angles provided at the sectional surface of the wireless charge antenna pattern, respectively.
1. An antenna assembly comprising:
a substrate;
a first antenna on the substrate and configured for wireless charging;
a second antenna on the substrate and configured for wireless communication;
a magnetic sheet on the second antenna; and
a first contact terminal, a second contact terminal, a third contact terminal, and a fourth contact terminal disposed at an outer portion of the magnetic sheet;
wherein the first antenna comprises:
a first coil pattern wound a plurality of times;
a first terminal at an outside of the first coil pattern; and
a second terminal at an inside of the first coil pattern,
wherein the first contact terminal is connected to the first terminal,
wherein the second contact terminal is connected to the second terminal,
wherein the second antenna comprises:
a second coil pattern wound a plurality of times;
a third terminal at an inside of the second coil pattern; and
a fourth terminal at an outside of the second coil pattern, and
wherein the third contact terminal is connected to the third terminal; and
wherein the fourth contact terminal is connected to the fourth terminal;
wherein the first terminal is disposed between the outside of the first coil pattern and the inside of the second coil pattern, and the second terminal is closer to the first terminal than it is to the third terminal, and
wherein the antenna assembly comprises a part in which a distance between the magnetic sheet and the second antenna is 35 to 65 μm.
2. The antenna assembly of claim 1 , wherein, the distance between the magnetic sheet and the second antenna is 40 to 60 μm.
3. The antenna assembly of claim 1 ,
wherein a spacing of the second antenna is less than 500 μm, and
wherein the spacing of the second antenna is ½ to 2 times a line width of the second antenna.
4. The antenna assembly of claim 1 , wherein the magnetic sheet comprises:
a first portion that overlaps the first coil pattern in a vertical direction perpendicular to the magnetic sheet; and
a second portion that does not overlap the first coil pattern in the vertical direction.
5. The antenna assembly of claim 4 , wherein the magnetic sheet comprises:
a third portion that overlaps the second coil in the vertical direction; and
a fourth portion that does not overlap the second coil in the vertical direction.
6. The antenna assembly of claim 1 , wherein the first antenna comprises at least one of an under-etched portion and an over-etched portion.
7. The antenna assembly of claim 1 , wherein the second antenna comprises at least one of an under-etched portion and an over-etched portion.
8. The antenna assembly of claim 1 , wherein the substrate comprises a polyimide film.
9. The antenna assembly of claim 1 , comprising:
an adhesive layer between the magnetic sheet and the second antenna.
10. An antenna assembly comprising:
a substrate;
a first antenna on the substrate and configured for wireless charging;
a second antenna on the substrate and configured for wireless communication;
a magnetic sheet on the first antenna and the second antenna; and
a first contact terminal, a second contact terminal, a third contact terminal, and a fourth contact terminal disposed at an outer portion of the magnetic sheet;
wherein the first antenna comprises:
a first coil pattern wound a plurality of times;
a first terminal at an outside of the first coil pattern; and
a second terminal at an inside of the first coil pattern,
wherein the first contact terminal is connected to the first terminal,
wherein the second contact terminal is connected to the second terminal,
wherein the second antenna comprises:
a second coil pattern wound a plurality of times;
a third terminal at an inside of the second coil pattern; and
a fourth terminal at an outside of the second coil pattern, and
wherein the third contact terminal is connected to the third terminal,
wherein the fourth contact terminal is connected to the fourth terminal,
wherein the first terminal is disposed between the outside of the first coil pattern and the inside of the second coil pattern, and the second terminal is closer to the first terminal than it is to the third terminal,
wherein the magnetic sheet comprises:
a first portion that overlaps the first coil pattern in a vertical direction perpendicular to the magnetic sheet; and
a second portion that does not overlap the first coil in the vertical direction.
11. The antenna assembly of claim 10 , wherein the antenna assembly comprises a part in which a distance between the magnetic sheet and the second antenna is 35 to 65 μm.
12. The antenna assembly of claim 10 , wherein a spacing of the second antenna is less than 500 μm, and wherein the spacing of the second antenna is ½ to 2 times a line width of the second antenna.
13. The antenna assembly of claim 10 , wherein the magnetic sheet comprises:
a third portion that overlaps the second coil in the vertical direction; and
a fourth portion that does not overlap the second coil in the vertical direction.
14. The antenna assembly of claim 10 , wherein the antenna assembly comprises a part in which a distance between the magnetic sheet and the second antenna is 40 to 60 μm.
15. The antenna assembly of claim 10 , wherein the first antenna comprises at least one of an under-etched region and an over-etched region.
16. The antenna assembly of claim 10 , wherein the second antenna comprises at least one of an under-etched region and an over-etched region.
17. The antenna assembly of claim 10 , wherein the substrate comprises a polyimide film.
18. The antenna assembly of claim 10 , comprising:
an adhesive layer between the magnetic sheet and the second antenna.