Dual band antenna and electronic device including the same

Patent metadata

Field	Value
Publication number	US-11664603-B2
Application number	US-202217859597-A
Country	US
Kind code	B2
Filing date	Jul 7, 2022
Priority date	May 10, 2019
Publication date	May 30, 2023
Grant date	May 30, 2023

Abstract

An electronic device is provided. The electronic devices includes a housing at least partially including a conductive portion, an antenna structure including a printed circuit board including a plurality of insulating layers, at least one first conductive patch including a first feeding point, and a second feeding point, and at least one second conductive patch including a third feeding point, and a fourth feeding point, and an antenna module including a wireless communication circuit configured to transmit or receive a first signal through the at least one first conductive patch and to transmit or receive a second signal of a second frequency band through the at least one second conductive patch.

First claim

What is claimed is:

1. An electronic device, comprising:
a housing at least partially comprising a conductive portion;
an antenna structure disposed in an internal space of the housing,
wherein the antenna structure comprises:
a printed circuit board comprising a plurality of insulating layers,
at least one first conductive patch disposed at a first insulating layer of the plurality of insulating layers,
wherein the at least one first conductive patch comprises:
a first feeding point disposed on a first imaginary line passing through a center of the at least one first conductive patch, and
a second feeding point disposed on a second imaginary line passing through the center of the at least one first conductive patch and perpendicular to the first imaginary line,
wherein the first feeding point and the second feeding point have a same first vertical distance from a first side of the printed circuit board adjacent to the conductive portion,

at least one second conductive patch disposed to at least partially overlap the at least one first conductive patch so as to have a same center as that of the at least one first conductive patch when viewed from above the at least one first conductive patch in a second insulating layer different from the first insulating layer,
wherein the at least one second conductive patch comprises:
a third feeding point disposed on the first imaginary line, and
a fourth feeding point disposed on the second imaginary line,
wherein the third feeding point and the fourth feeding point have a same second vertical distance longer than the first vertical distance from the first side; and

a wireless communication circuit configured to:
transmit or receive a first signal of a first frequency band through the at least one first conductive patch, and
transmit or receive a second signal of a second frequency band lower than the first frequency band through the at least one second conductive patch, and

wherein the first conductive patch and the second conductive patch are disposed not to overlap with the conductive portion of the housing when the housing is viewed from outside of the electronic device.

2. The electronic device of claim 1 , wherein the wireless communication circuit is further configured to transmit and/or receive a signal having a frequency in a range of 3 GHz to 100 GHz through the at least one first conductive patch or the at least one second conductive patch.

3. The electronic device of claim 1 , wherein the wireless communication circuit is further configured to transmit or receive a signal having a first polarization through the first feeding point in the first frequency band.

4. The electronic device of claim 3 , wherein the wireless communication circuit is further configured to transmit or receive a signal having a second polarization perpendicular to the first polarization through the second feeding point in the first frequency band.

5. The electronic device of claim 3 , wherein the wireless communication circuit is further configured to transmit or receive a signal having third polarization equal to the first polarization through the third feeding point in the second frequency band.

6. The electronic device of claim 4 , wherein the wireless communication circuit is further configured to transmit and/or receive a signal having fourth polarization equal to the second polarization through the fourth feeding point in the second frequency band.

7. The electronic device of claim 1 ,
wherein the printed circuit board further comprises a first surface and a second surface facing in a direction opposite to that of the first surface, and
wherein the at least one first conductive patch is disposed closer to the first surface than the at least one second conductive patch.

8. The electronic device of claim 7 , wherein the wireless communication circuit is disposed at the second surface of the printed circuit board.

9. The electronic device of claim 1 , wherein the at least one first conductive patch is formed in a smaller size than that of the at least one second conductive patch.

10. The electronic device of claim 1 , wherein the at least one first conductive patch and the at least one second conductive patch are formed in a same shape.

11. The electronic device of claim 1 , wherein the first feeding point or the second feeding point is configured to be in direct contact with or capacitively coupled to the at least one first conductive patch through a first feeding portion or a second feeding portion vertically penetrating at least some of the plurality of insulating layers.

12. The electronic device of claim 1 , wherein the third feeding point or the fourth feeding point is configured to be in direct contact with or capacitively coupled to the at least one second conductive patch through a third feeding portion or a fourth feeding portion vertically penetrating at least two of the plurality of insulating layers.

13. The electronic device of claim 1 ,
wherein the housing comprises:
a front cover,
a rear cover facing in a direction opposite to that of the front cover, and
a side member enclosing the internal space between the front cover and the rear cover and at least partially comprising the conductive portion, and

wherein the antenna structure is disposed to form a beam pattern in a direction toward the side member.

14. The electronic device of claim 1 ,
wherein the housing comprises:
a front cover,
a rear cover facing in a direction opposite to that of the front cover, and
a side member enclosing the internal space between the front cover and the rear cover,

wherein the conductive portion is disposed at a position overlapped with at least a partial area of the rear cover when viewed from above the rear cover, and
wherein the antenna structure is disposed to form a beam pattern in a direction toward the rear cover.

15. The electronic device of claim 14 , wherein the rear cover further comprises a non-conductive member disposed in an area facing the at least one first conductive patch and the at least one second conductive patch of the antenna structure.

16. The electronic device of claim 14 , further comprising a display disposed, to be at least partially visible from outside of the electronic device through the front cover, in the internal space.

17. An electronic device, comprising:
a housing;
a conductive member included in the housing or disposed inside the housing;
an antenna structure disposed in an internal space of the housing, wherein the antenna structure comprises:
a printed circuit board comprising a plurality of insulating layers,
at least one first conductive patch disposed at a first insulating layer of the plurality of insulating layers and comprising a first feeding point spaced apart from the conductive member by a first distance, and
at least one second conductive patch at least partially overlapped to have a same center as that of the at least one first conductive patch and comprising a second feeding point spaced apart from the conductive member by a second distance longer than the first distance, when viewed from above the at least one first conductive patch in a second insulating layer different from the first insulating layer; and

a wireless communication circuit electrically connected to the first feeding point and the second feeding point, and configured to:
transmit or receive a first signal of a first frequency band through the at least one first conductive patch, and
transmit or receive a second signal of a second frequency band lower than the first frequency ban

Assignees

• Samsung Electronics Co Ltd

Inventors

• Park Seongjin
• Kim Dongyeon
• Kim Hosaeng
• Yun Sumin
• Jang Woomin
• Jeong Myunghun
• Jong Jehun
• Jo Jaehoon

Classifications

• H01Q9/0414 Primary

  in a stacked or folded configuration · CPC title

• H04M1/0277

  for a printed circuit board assembly · CPC title

• H01Q5/35

  using two or more simultaneously fed points · CPC title

• H01Q1/50

  Structural association of antennas with earthing switches, lead-in devices or lightning protectors · CPC title

• H01Q21/24 Primary

  Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)} · CPC title