Electronic device with multi-band antenna for supporting carrier aggregation using non-segmented conductive border member

Patent metadata

Field	Value
Publication number	US-10224606-B2
Application number	US-201615158845-A
Country	US
Kind code	B2
Filing date	May 19, 2016
Priority date	Jul 30, 2015
Publication date	Mar 5, 2019
Grant date	Mar 5, 2019

Abstract

An electronic device including a multi-band antenna, a cover, a substrate, and a conductive border member is disclosed, where the device includes a first feed terminal connected to a circuit of a substrate embedded in the device, a second feed terminal connected to the circuit and insulated from the first feed terminal, a ground disposed on the substrate, a conductive border member continuously disposed along a periphery of the electronic device, a first antenna connected to the first feed terminal and the conductive border member, and the first antenna forming a multiple resonance for covering a first multi-band having a plurality of bands, a second antenna connected to the second feed terminal and the conductive border member and the second antenna forming a multiple resonance for covering a second multi-band, and a bypass conductor to bypass interference signals generated by the first antenna and the second antenna to the ground.

First claim

What is claimed is:

1. An electronic device, comprising:
a first feed terminal connected to a circuit of a substrate embedded in the electronic device;
a second feed terminal connected to the circuit and electrically insulated from the first feed terminal;
a ground disposed on the substrate;
a conductive border member continuously disposed along a periphery of the electronic device;
a first antenna connected to the first feed terminal and the conductive border member, and forming a multiple resonance for covering a first multi-band having a plurality of bands;
a second antenna connected to the second feed terminal and the conductive border member and forming a multiple resonance for covering a second multi-band; and
a bypass circuit path disposed between the first antenna and the second antenna and configured to bypass interference signals generated by the first antenna and the second antenna to the ground.

2. The electronic device of claim 1 , wherein the first antenna comprises:
a first antenna pattern disposed along an edge of a cover of the electronic device, the first antenna pattern having a first end connected to the first feed terminal and the conductive border member and a second end open, and the first antenna pattern having a first electrical length; and
a first bridge antenna pattern disposed on the cover, first bridge antenna pattern having a first end connected to the first antenna pattern and a second end connected to the conductive border member.

3. The electronic device of claim 2 , wherein the first antenna further comprises:
a first outer conductor comprising a portion of the conductive border member from a first point connected to the first feed terminal and the first antenna pattern to a second point spaced at a second electrical length apart from the first point in a first direction; and
a second outer conductor comprising a portion of the conductive border member from a third point of the conductive border member to a fourth point spaced at a third electrical length apart from the third point in a second direction, and
wherein the second point is connected to the ground, the third point is connected to the second end of the first bridge antenna pattern, and the fourth point is connected to the bypass circuit path.

4. The electronic device of claim 3 , wherein the second antenna comprises:
a second antenna pattern disposed on the cover, the second antenna pattern having one end connected to the second feed terminal and the other end open, and the second antenna pattern having a fourth electrical length; and
a second bridge antenna pattern disposed on the cover and having one end connected to the second antenna pattern and the other end connected to the conductive border member.

5. The electronic device of claim 4 , wherein the second antenna further comprises:
a third outer conductor comprising a portion of the conductive border member from a fifth point of the conductive border member connected to the other end of the second bridge antenna pattern to a sixth point spaced at a fifth electrical length apart in one direction; and
a fourth outer conductor comprising a portion of the conductive border member from the fifth point of the conductive border member to a seventh point spaced as much as a sixth electrical length apart in the other direction, and
wherein the sixth point is connected to the ground of the substrate and the seventh point is connected to the second feed terminal through a switch.

6. The electronic device of claim 4 , wherein the second antenna further comprises a matching circuit disposed between the first end of the second antenna pattern and the fourth point to form impedance matching for a high band in the second multi-band.

7. The electronic device of claim 6 , wherein the first antenna further comprises:
a first capacitor circuit inserted into a transmission line connecting the first feed terminal to the first point, and
the bypass circuit path comprises a second capacitor circuit disposed between one point of the conductive border member between the second outer conductor and the fourth outer conductor and the ground to have a capacitance for bypassing the signal generated by the first antenna to the ground.

8. The electronic device of claim 7 , wherein the matching circuit comprises fourth and fifth capacitance parts connected to each other in series, and
the fourth and the fifth capacitance parts each comprise a capacitance element having a level of capacitance less than that of the second capacitor circuit.

9. The electronic device of claim 1 , wherein the first multi-band and the second multi-band overlap each other.

10. The electronic device of claim 1 , wherein the first multi-band and the second multi-band do not overlap each other.

11. The electronic device of claim 1 , wherein the bypass circuit path is configured to connect the conductive border member between the first antenna and the second antenna to the ground.

12. An electronic device, comprising:
a first feed terminal connected to a circuit of a substrate embedded in the electronic device;
a second feed terminal connected to the circuit and electrically insulated from the first feed terminal;
a ground disposed on the substrate;
a conductive border member continuously disposed along a periphery of the electronic device;
a first antenna comprising a first antenna pattern connected to the first feed terminal and the conductive border member and the first antenna forming a multiple resonance for covering a first multi-band having a plurality of bands using the first antenna pattern and the conductive border member;
a second antenna comprising a second antenna pattern connected to the second feed terminal and the conductive border member, and forming a multiple resonance for covering a second multi-band that does not overlap the first multi-band using the second antenna pattern and the conductive border member; and
a bypass circuit path disposed between the first antenna and the second antenna and configured to alternately connect the conductive border member between the first antenna and the second antenna to the ground.

13. The electronic device of claim 12 , wherein the first antenna pattern comprises:
a first antenna pattern disposed along an edge of a cover of the electronic device, the first antenna pattern having a first end connected to the first feed terminal and the conductive border member, and a second end open, and the first antenna pattern having a first electrical length; and
a first bridge antenna pattern disposed on the cover and having a first end connected to the first antenna pattern and a second end connected to the conductive border member.

14. The electronic device of claim 13 , wherein the first antenna further comprises:
a first outer conductor comprising a portion of the conductive border member from a first point connected to the first feed terminal and the first antenna pattern to a second point spaced at a second electrical length apart in a first direction; and
a second outer conductor comprising a portion of the conductive border member from a third point of the conductive border member to a fourth point spaced at a third electrical length apart from the third point in a second direction, and
wherein the second point is connected to the ground of the substrate, the third point is connected to the second end of the first bridge antenna pattern, and the fourth point is connected to the bypass circuit path.

15. The electronic device of claim 14 , wherein the second antenna pattern comprises:
a second antenna pattern disposed on the cover, h

Assignees

• Samsung Electro Mech

Inventors

• Kim Nam Ki
• Jeon Dae Seong
• Cheon Young Min
• Park Hyun Do
• Lim Dae Ki

Classifications

• H01Q5/328

  between a radiating element and ground · CPC title

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H01Q1/48

  Earthing means; Earth screens; Counterpoises · CPC title

• H01Q5/20

  characterised by the operating wavebands · CPC title

• H01Q1/521

  reducing the coupling between adjacent antennas · CPC title