Electronic device comprising radio frequency cable

Patent metadata

Field	Value
Publication number	US-12113303-B2
Application number	US-202218073081-A
Country	US
Kind code	B2
Filing date	Dec 1, 2022
Priority date	Oct 27, 2021
Publication date	Oct 8, 2024
Grant date	Oct 8, 2024

Abstract

An electronic device is provided. The electronic device includes a millimeter wave (mmWave) antenna including a plurality of conductive patches, a wireless communication circuit, and a radio frequency (RF) cable electrically connecting the mmWave antenna to the wireless communication circuit. A first portion of the RF cable includes a base dielectric, a metal plate disposed on one surface of the base dielectric, and a shielding film including a first region in contact with the metal plate, a second region spaced apart from the metal plate by a first height, and a third region configured to connect the first region and the second region, at least one waveguide is formed by the second region, the third region, and a portion of the metal plate, and the wireless communication circuit transmits and/or receives RF signals corresponding to the plurality of conductive patches through the at least one waveguide.

First claim

What is claimed is:

1. An electronic device comprising:
a millimeter wave (mmWave) antenna comprising a plurality of conductive patches;
a wireless communication circuit disposed inside the electronic device; and
a radio frequency (RF) cable electrically connecting the mmWave antenna to the wireless communication circuit,
wherein a first portion of the RF cable comprises:
a base dielectric,
a metal plate disposed on the base dielectric, and
a shielding film comprising a first region in contact with the metal plate, a second region spaced apart from the metal plate, and a third region disposed between the first region and the second region,

wherein at least one waveguide is formed by the second region, the third region, and a portion of the metal plate, and
wherein the wireless communication circuit is configured to transmit or receive RF signals corresponding to the plurality of conductive patches through the at least one waveguide.

2. The electronic device of claim 1 , wherein the first portion of the RF cable further comprises at least one dielectric included in the at least one waveguide formed by the metal plate and the shielding film.

3. The electronic device of claim 2 , wherein the at least one dielectric included in the at least one waveguide comprises air.

4. The electronic device of claim 2 , wherein the at least one dielectric included in the at least one waveguide comprises a first dielectric having a first dielectric constant and a second dielectric having a second dielectric constant.

5. The electronic device of claim 1 , wherein a number of the at least one waveguide is identical to a number of the plurality of conductive patches.

6. The electronic device of claim 1 ,
wherein the RF cable further comprises at least one power transmission line, and
wherein the at least one power transmission line is formed on a layer identical to the metal plate.

7. The electronic device of claim 1 ,
wherein the metal plate comprises a first metal plate disposed on one side of the base dielectric and a second metal plate disposed on another side of the base dielectric opposite to the one side of the base dielectric,
wherein the shielding film further comprises a fourth region in contact with the second metal plate, a fifth region spaced apart from the second metal plate, and a sixth region disposed between the fourth region and the fifth region, and
wherein the at least one waveguide is further formed by the fifth region, the sixth region, and a portion of the second metal plate.

8. The electronic device of claim 1 ,
wherein the at least one waveguide is formed in the first portion of the RF cable, and
wherein the RF cable further comprises a first connection portion connected to the wireless communication circuit and a second connection portion connected to the plurality of conductive patches.

9. The electronic device of claim 8 , wherein an RF signal transmitted through the at least one waveguide is provided, through the first connection portion, to a signal line connected to the wireless communication circuit.

10. The electronic device of claim 8 , wherein an RF signal transmitted through the at least one waveguide is provided, through the second connection portion, to a signal line connected to the plurality of conductive patches.

11. An electronic device comprising:
a first housing;
a second housing connected to the first housing and being rotatable relative to the first housing;
a hinge structure connecting the second housing to the first housing, the second housing being rotatable about a folding axis with respect to the first housing;
a millimeter wave (mmWave) antenna comprising a plurality of conductive patches;
a wireless communication circuit disposed inside the electronic device; and
a radio frequency (RF) cable electrically connecting the mmWave antenna to the wireless communication circuit,
wherein a first portion of the RF cable, which is formed in a region of the hinge structure corresponding to the folding axis, comprises:
a base dielectric,
a metal plate disposed on the base dielectric, and
a shielding film comprising a first region in contact with the metal plate, a second region spaced apart from the metal plate, and a third region disposed between the first region and the second region,

wherein at least one waveguide is formed by the second region, the third region, and a portion of the metal plate, and
wherein the wireless communication circuit is configured to at least one of transmit or receive RF signals corresponding to the plurality of conductive patches through the RF cable in which the at least one waveguide is formed.

12. The electronic device of claim 11 , wherein the first portion of the RF cable further comprises at least one dielectric included in the at least one waveguide formed by the metal plate and the shielding film.

13. The electronic device of claim 11 , wherein a number of the at least one waveguide is identical to a number of the plurality of conductive patches.

14. The electronic device of claim 11 ,
wherein the RF cable further comprises at least one power transmission line, and
wherein the at least one power transmission line is formed on a layer identical to the metal plate.

15. The electronic device of claim 11 ,
wherein the metal plate comprises a first metal plate disposed on one side of the base dielectric and a second metal plate disposed on another side of the base dielectric opposite to the one side of the base dielectric,
wherein the shielding film further comprises a fourth region in contact with the second metal plate, a fifth region spaced apart from the second metal plate, and a sixth region disposed between the fourth region and the fifth region, and
wherein the at least one waveguide is further formed by the fifth region, the sixth region, and a portion of the second metal plate.

16. An electronic device comprising:
a millimeter wave (mmWave) antenna comprising a plurality of conductive patches;
a wireless communication circuit disposed inside the electronic device; and
a radio frequency (RF) cable electrically connecting the mmWave antenna to the wireless communication circuit,
wherein a first portion of the RF cable comprises:
a metal plate disposed inside the RF cable, and
a shielding film comprising a first region in contact with the metal plate, a second region spaced apart from the metal plate, and a third region disposed between the first region and the second region,

wherein at least one waveguide is formed by the second region, the third region, and a portion of the metal plate, and
wherein the wireless communication circuit is configured to at least one of transmit or receive RF signals corresponding to the plurality of conductive patches through the at least one waveguide.

17. The electronic device of claim 16 , wherein the first portion of the RF cable further comprises at least one dielectric included in the at least one waveguide formed by the metal plate and the shielding film.

18. The electronic device of claim 17 , wherein the at least one dielectric included in the at least one waveguide comprises a first dielectric having a first dielectric constant and a second dielectric having a second dielectric constant.

19. The electronic device of claim 16 ,
wherein the RF cable further comprises at least one power transmission line, and
wherein the at least one power transmission line is formed on a layer identical to the metal plate.

20. The electronic device of claim 19 ,
where

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kim Minseok
• Bae Bumhee
• Shim Jongwan
• Cheon Jeongnam

Classifications

• H01Q9/045

  with particular feeding means (for circular polarisation H01Q9/0428) · CPC title

• H01Q9/0478

  with means for suppressing spurious modes, e.g. cross polarisation · CPC title

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H01P3/121

  integrated in a substrate · CPC title

• H01Q21/28

  Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} · CPC title