Electronic device

Patent metadata

Field	Value
Publication number	US-12438254-B2
Application number	US-202118259190-A
Country	US
Kind code	B2
Filing date	Dec 8, 2021
Priority date	Dec 25, 2020
Publication date	Oct 7, 2025
Grant date	Oct 7, 2025

Abstract

An electronic device includes a conductive frame and a first antenna unit. The conductive frame is disposed around a periphery of the electronic device. The first antenna unit includes a first conductive layer and a second conductive layer spaced apart in a thickness direction of the electronic device; a conductive connection portion is configured to connect the first conductive layer and the second conductive layer; and a first conductive frame, is a part of the conductive frame. The conductive connection portion, the first conductive frame, the first conductive layer, and the second conductive layer enclose a first cavity, and the first conductive layer and the first conductive frame are spaced apart to form a first slot of the first cavity.

First claim

What is claimed is:

1. An electronic device, comprising:
a conductive frame comprising a first conductive frame and disposed around a periphery of the electronic device;
a first antenna structure comprising:
a first conductive layer and a second conductive layer spaced apart in a thickness direction of the electronic device; and
a conductive connection portion configured to connect the first conductive layer and the second conductive layer, wherein the conductive connection portion comprises a plurality of dot-joint structures, and wherein a distance between adjacent dot-joint structures is less than or equal to a half of a wavelength corresponding to a center frequency of an operating frequency band of the first antenna structure; and

a first cavity comprising a first slot,
wherein the first cavity is formed by the conductive connection portion, the first conductive frame, the first conductive layer, and the second conductive layer, and
wherein the first conductive layer and the first conductive frame are spaced apart to form the first slot of the first cavity.

2. The electronic device of claim 1 , further comprising a first feeding structure configured to feed the first antenna structure through the first conductive layer, wherein the first feeding structure is coupled to the first conductive layer.

3. The electronic device of claim 1 , further comprising a ground, wherein the second conductive layer is coupled to the ground, and wherein the first antenna structure is grounded through the second conductive layer.

4. The electronic device of claim 1 , further comprising a ground, wherein the ground forms the second conductive layer.

5. The electronic device of claim 4 , further comprising a metal rear cover configured to form the first conductive layer.

6. The electronic device of claim 5 , wherein the metal rear cover does not comprise a slot configured to radiate or receive an electromagnetic wave.

7. The electronic device of claim 4 , further comprising a display assembly, wherein the first conductive layer is disposed on a side that is of the display assembly and that faces the ground.

8. The electronic device of claim 1 , wherein the conductive connection portion is structured by a conductive wall structure, and wherein two sides of the conductive wall structure are connected to the first conductive layer and the second conductive layer respectively.

9. The electronic device of claim 1 , wherein the dot-joint structures are metal domes, and wherein two ends of the metal domes are connected to the first conductive layer and the second conductive layer respectively.

10. The electronic device of claim 1 , wherein a projection of the conductive connection portion on the second conductive layer is within a range of a projection of the first conductive layer on the second conductive layer.

11. The electronic device of claim 10 , wherein the projection of the conductive connection portion on the second conductive layer is one or a combination of a curve, a fold line, or a straight line.

12. The electronic device of claim 1 , wherein the first slot is filled with an insulating material.

13. The electronic device of claim 1 , wherein the first antenna structure radiates or receives an electromagnetic wave through the first slot.

14. The electronic device of claim 1 , wherein the conductive frame comprises a second slot, and wherein the electronic device further comprises:
a second antenna structure comprising:
a first ground point disposed on the conductive frame and configured to ground the second antenna structure; and
a first radiator formed by a portion of the conductive frame between the first ground point and the second slot; and

a second feeding structure configured to feed the second antenna structure.

15. The electronic device of claim 14 , wherein at least a portion of the first radiator is formed by the first conductive frame.

16. The electronic device of claim 14 , further comprising a first filter coupled to the second feed structure to the first radiator.

17. The electronic device of claim 14 , wherein the second antenna structure further comprises:
a second radiator formed by a portion of the conductive frame between the second slot and the first slot; and
a second ground point disposed on the second radiator and configured to ground the second antenna structure.

18. The electronic device of claim 17 , wherein the first radiator is coupled to the second radiator through the second slot.

19. The electronic device of claim 17 , further comprising a second filter coupled to the second feeding structure to the second radiator.

20. The electronic device of claim 1 , wherein the distance between the adjacent dot-joint structures is a minimum straight-line distance or a minimum path distance between junctions with the first conductive layer or the second conductive layer.

Assignees

• Huawei Tech Co Ltd

Inventors

• Wu Pengfei
• Wang Hanyang
• Hou Meng
• Lee Chien-Ming

Classifications

• H01Q21/28

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

• H01Q13/18 Primary

  the slot being backed by, or formed in boundary wall of, a resonant cavity (longitudinally slotted cylinder H01Q13/12 ){; Open cavity antennas} · CPC title

• H01Q1/523

  between antennas of an array · CPC title

• H01Q1/50

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

• H01Q1/48

  Earthing means; Earth screens; Counterpoises · CPC title