Electronic device comprising patch antenna and coil antenna

Patent metadata

Field	Value
Publication number	US-12362485-B2
Application number	US-202318121906-A
Country	US
Kind code	B2
Filing date	Mar 15, 2023
Priority date	Sep 16, 2020
Publication date	Jul 15, 2025
Grant date	Jul 15, 2025

Abstract

An electronic device, according to various embodiments of the present disclosure, may comprise: a first layer including a first antenna having a patch shape, and a second antenna at least partially surrounding the first antenna and having a coil shape; a second layer including a first pattern disposed at a position corresponding to the first antenna and configured to operate as a ground of the first antenna, and a second pattern electrically connected to the second antenna; a dielectric disposed between the first layer and the second layer; and a magnetic material disposed under the dielectric at a position corresponding to the second antenna.

First claim

What is claimed is:

1. An electronic device comprising:
a first layer comprising a first antenna comprising a patch shape, and a second antenna surrounding the first antenna and comprising a coil shape;
a second layer comprising a first pattern disposed at a position corresponding to the first antenna and configured to operate as a ground of the first antenna, and a second pattern electrically connected to the second antenna;
a dielectric material disposed between at least the first layer and the second layer; and
a magnetic material disposed under at least the dielectric material at a position corresponding to the second antenna,
wherein the first pattern is connected to the first antenna via at least one first conductive via, and
wherein the second pattern is connected to the second antenna via at least one second conductive via, and spaced apart from the first pattern in the second layer.

2. The electronic device of claim 1 , further comprising at least one wireless communication circuit electrically connected to the first antenna and the second antenna.

3. The electronic device of claim 2 , wherein the at least one wireless communication circuit is configured to transmit/receive an ultra-wide band (UWB) signal via the first antenna.

4. The electronic device of claim 2 , wherein the at least one wireless communication circuit is configured to transmit/receive a near field communication (NFC) signal via the second antenna.

5. The electronic device of claim 2 , further comprising a battery electrically connected to the second antenna,
wherein the at least one wireless communication circuit is configured to charge the battery using an induced current generated by the second antenna.

6. The electronic device of claim 1 , wherein the first antenna of the first layer is electrically connected to the first pattern of the second layer via the at least one first conductive via penetrating the dielectric material.

7. The electronic device of claim 1 , further comprising a printed circuit board,
wherein the first antenna and the second antenna are connected to the printed circuit board via a connector.

8. The electronic device of claim 1 , wherein at least one point of the second antenna of the first layer is electrically connected to the second pattern of the second layer via the at least one second conductive via penetrating the dielectric material.

9. The electronic device of claim 1 , wherein the magnetic material is disposed below the second layer.

10. The electronic device of claim 9 , further comprising a graphite sheet disposed under the magnetic material.

11. The electronic device of claim 1 , wherein the magnetic material is disposed to surround the second layer while being in contact with the dielectric material.

12. The electronic device of claim 11 , further comprising a graphite sheet below the magnetic material and the second layer.

13. The electronic device of claim 1 , wherein the magnetic material comprises a ferrite sheet.

14. The electronic device of claim 1 , wherein the first antenna and the second antenna are spaced apart from each other.

15. The electronic device of claim 1 , wherein the first pattern further comprises a slit.

16. An electronic device comprising:
a first layer comprising a first antenna comprising a patch shape, and a second antenna surrounding the first antenna and comprising a coil shape;
a second layer comprising a first pattern disposed at a position corresponding to the first antenna, connected to the first antenna via at least one first conductive via and configured to operate as a ground of the first antenna, and a second pattern electrically connected to the second antenna via at least one second conductive via;
a dielectric material disposed between at least the first layer and the second layer; and
a magnetic material disposed under at least the dielectric material at a position corresponding to the second antenna,
wherein the second antenna comprises a first point and a second point connected to the second pattern via the second layer and through the dielectric material to form the coil shape.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Woosup
• Park Seho
• Park Soon
• Sung Jungoh
• Lee Haekwon

Classifications

• H01Q7/00

  Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop · CPC title

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H01Q5/25

  Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems · CPC title

• H04B5/70

  specially adapted for specific purposes · CPC title

• G06K19/06187

  with magnetically detectable marking · CPC title