Electronic device including antenna

Patent metadata

Field	Value
Publication number	US-12444830-B2
Application number	US-202218080177-A
Country	US
Kind code	B2
Filing date	Dec 13, 2022
Priority date	Jun 18, 2020
Publication date	Oct 14, 2025
Grant date	Oct 14, 2025

Abstract

An electronic device including an antenna according to various embodiments comprises: a printed circuit board disposed in a first area of the electronic device; a battery disposed in a second area of the electronic device; a heat dissipation member including a thermally conductive material disposed on the upper part of the printed circuit board and the battery; a first antenna disposed in the first area on the heat dissipation member; and a second antenna disposed in the second area on the heat dissipation member, wherein the frequency bands and the dielectric constants of the first antenna and the second antenna may be configured differently.

First claim

What is claimed is:

1. An electronic device comprising:
a printed circuit board disposed in a first area of the electronic device;
a battery disposed in a second area of the electronic device;
a heat dissipation member comprising a thermally conductive material;
a first antenna disposed in the first area on the heat dissipation member and including a dielectric and a patch layer disposed on the dielectric; and
a second antenna disposed in the second area on the heat dissipation member and including a base layer, a first conductive layer disposed on the base layer, and a second conductive layer disposed under the base layer,
wherein the base layer and the second conductive layer are extended under the dielectric of the first antenna,
wherein the patch layer of the first antenna is connected to the second conductive layer extended under the dielectric through a via, and
wherein a frequency band of the first antenna and a frequency band of the second antenna are different.

2. The electronic device of claim 1 , wherein the first antenna includes a radio frequency (RF) resonance type antenna, and the second antenna includes a magnetic induction type antenna.

3. The electronic device of claim 1 , wherein the first antenna includes at least one patch antenna, and the second antenna includes at least one coil antenna.

4. The electronic device of claim 1 , wherein the first antenna has a dielectric constant and dielectric loss less than a dielectric constant and a dielectric loss of the second antenna.

5. The electronic device of claim 1 , wherein the first area includes:
a shield can disposed on the printed circuit board;
a heat dissipation sheet disposed on the shield can; and
a support disposed on the heat dissipation sheet,
wherein the heat dissipation member is disposed on the support.

6. The electronic device of claim 1 , wherein the first antenna and the second antenna are spaced apart from each other by a specified distance.

7. The electronic device of claim 1 , further comprising:
a shielding sheet disposed on the heat dissipation member in the second area; and
at least one protective film integrally disposed on the heat dissipation member in the first area and the shielding sheet in the second area.

8. The electronic device of claim 7 , wherein the second antenna is disposed on the shielding sheet, and
wherein the first conductive layer and the second conductive layer have a same thickness or have different thicknesses.

9. An electronic device comprising:
a printed circuit board disposed in a first area of the electronic device;
a battery disposed in a second area of the electronic device;
a heat dissipation member comprising a thermally conductive material disposed on the printed circuit board and the battery, the heat dissipation member at least partially extending between the first area and the second area;
a first antenna disposed in the first area on the heat dissipation member and including a dielectric and a first layer disposed on the dielectric; and
a second antenna disposed in the second area on the heat dissipation member and including a base layer, a first conductive layer disposed on the base layer, and a second conductive layer disposed under the base layer,
wherein the first antenna is disposed on at least a portion of the base layer of the second antenna, and
wherein the second conductive layer extends under the dielectric of the first antenna and is configured to provide a grounding function of the first antenna.

10. The electronic device of claim 9 , wherein the first antenna includes a radio frequency (RF) resonance type antenna, and the second antenna includes a magnetic induction type antenna.

11. The electronic device of claim 9 , wherein the dielectric of the first antenna has a dielectric constant and dielectric loss less than a dielectric constant and dielectric loss of the base layer of the second antenna.

12. An electronic device comprising:
a printed circuit board disposed in a first area of the electronic device;
a battery disposed in a second area of the electronic device;
a heat dissipation member comprising a thermally conductive material disposed on the printed circuit board and the battery;
a first antenna disposed in the first area on the heat dissipation member and including a dielectric and a second layer disposed under the dielectric; and
a second antenna disposed in the second area on the heat dissipation member and including a base layer, a first conductive layer disposed on the base layer, and a second conductive layer disposed under the base layer,
wherein the base layer and the first conductive layer of the second antenna extend over the dielectric of the first antenna in the first area, and the first conductive layer is configured to perform a patch function of the first antenna.

13. The electronic device of claim 12 , wherein the dielectric of the first antenna has a dielectric constant and dielectric loss less than a dielectric constant and dielectric loss of the base layer of the second antenna.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Woosup
• Park Jungsik
• Sung Jungoh
• Lee Muyeol
• Choi Sehwan
• Hong Sukgi

Classifications

• H05K9/0024

  Shield cases mounted on a PCB, e.g. cans or caps or conformal shields · CPC title

• H05K7/20472

  Sheet interfaces · CPC title

• H01Q25/002

  providing at least two patterns of different beamwidth; Variable beamwidth antennas · CPC title

• H01Q9/0407 Primary

  Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40) · CPC title

• H01Q7/06

  with core of ferromagnetic material (H01Q7/02 takes precedence) · CPC title