Electronic device comprising antenna

Patent metadata

Field	Value
Publication number	US-2023051681-A1
Application number	US-202217971165-A
Country	US
Kind code	A1
Filing date	Oct 21, 2022
Priority date	Apr 22, 2020
Publication date	Feb 16, 2023
Grant date	—

Abstract

An electronic device includes: a side member forming sides of the electronic device, the side member including a first conductive portion, a second conductive portion, a first non-conductive portion, and a slit; a printed circuit board including the ground; and a wireless communication circuit, wherein the first conductive portion includes a first electrical path and a second electrical path, the second conductive portion includes a third electrical path and a fourth electrical path, a capacitor is arranged along the third electrical path, and the wireless communication circuit may feed, to the first conductive portion via the first electrical path, an RF signal of a first frequency band and may feed, to the second conductive portion via the third electrical path, an RF signal of a second frequency band which at least partially overlaps the first frequency band.

First claim

What is claimed is:

1 . An electronic device comprising:
a side member forming a side surface of the electronic device, the side member comprising:
a first conductive portion,
a second conductive portion adjacent to the first conductive portion,
a first non-conductive portion provided between the first conductive portion and the second conductive portion, and
a slit formed in an area adjacent to the second conductive portion;
a printed circuit board comprising a ground; a capacitor; and a wireless communication circuit electrically connected to the first conductive portion and the second conductive portion, wherein the first conductive portion comprises a first electrical path between a first point of the first conductive portion and the wireless communication circuit and a second electrical path between a second point of the first conductive portion and the ground, wherein the second conductive portion comprises a third electrical path between a third point of the second conductive portion and the wireless communication circuit and a fourth electrical path between a fourth point of the second conductive portion and the ground, wherein the capacitor is provided on the third electrical path, and wherein the wireless communication circuit is configured to feed a radio frequency (RF) signal of a first frequency band to the first conductive portion via the first electrical path, and feed an RF signal of a second frequency band to the second conductive portion via the third electrical path, and the second frequency band at least partially overlaps the first frequency band.

2 . The electronic device of claim 1 , wherein at least a part of the first conductive portion is configured to operate as an antenna radiator for transmitting or receiving the RF signal of the first frequency band.

3 . The electronic device of claim 1 , wherein the slit is configured to operate as a slit antenna for transmitting or receiving the RF signal of the second frequency band.

4 . The electronic device of claim 1 , wherein the first frequency band and the second frequency band are substantially the same as each other.

5 . The electronic device of claim 4 , wherein the first conductive portion and the slit are configured to operate as a multiple input and multiple output (MIMO) antenna.

6 . The electronic device of claim 4 , wherein the first frequency band or the second frequency band is 2.2 GHz to 2.7 GHz.

7 . The electronic device of claim 4 , wherein the wireless communication circuit is further configured to support a WiFi protocol.

8 . The electronic device of claim 1 , wherein the second conductive portion further comprises a fifth electrical path between a fifth point, adjacent to the first conductive portion, of the second conductive portion and the ground of the printed circuit board, and
wherein the electronic device further comprises a first passive element provided on the fifth electrical path.

9 . The electronic device of claim 8 , wherein the fifth point of the second conductive portion is located between the first point of the first conductive portion and the third point of the second conductive portion.

10 . The electronic device of claim 1 , further comprising a switch circuit at a fifth point adjacent to the first conductive portion,
wherein the second conductive portion is electrically connected to the switch circuit, and wherein the switch circuit is configured to selectively connect the second conductive portion to a second passive element or the ground of the printed circuit board.

11 . The electronic device of claim 10 , further comprising:
a processor electrically connected to the switch circuit and configured to control an electrical connection state of the switch circuit.

12 . The electronic device of claim 1 , wherein the side surface comprises:
a first side surface extending along a first direction; a second side surface parallel to the first side surface; a third side surface extending along a second direction perpendicular to the first direction, and connecting a first end of the first side surface and a first end of the second side surface; and a fourth side surface parallel to the third side surface and connecting a second end of the first side surface and a second end of the second side surface.

13 . The electronic device of claim 12 , wherein the first conductive portion is provided in at least one area of the second side surface and at least one area of the third side surface, and
wherein the second conductive portion is adjacent to the first conductive portion and is provided on the third side surface.

14 . The electronic device of claim 1 , wherein the first conductive portion further comprises a first protrusion protruding toward the printed circuit board at the first point.

15 . The electronic device of claim 8 , wherein the second conductive portion further comprises:
a second protrusion protruding toward the printed circuit board at the third point; and a third protrusion protruding toward the printed circuit board at the fifth point.

16 . An electronic device comprising:
a printed circuit board including a ground, a side member including a first structure forming a side surface of the electronic device, and a second structure supporting at least one area of the printed circuit board, wherein the first structure of the side member includes a first conductive portion, a second conductive portion adjacent to one end of the first conductive portion, a third conductive portion adjacent the other end of the first conductive portion, a first non-conductive portion disposed between the first conductive portion and the second conductive portion, and a second non-conductive portion disposed between the first conductive portion and the third conductive portion, and wherein the second structure of the side member includes a conductive area, non-conductive area and a slit formed in an area adjacent to the second conductive portion among the conductive area; and a wireless communication circuit disposed on the printed circuit board, wherein the first conductive portion includes a first area adjacent to the second conductive portion and a second area adjacent to the third conductive portion, wherein the first area of the first conductive portion includes a first electrical path formed between a first point of the first area and the wireless communication circuit, and a second electrical path formed between a second point of the first area and the ground, wherein the second conductive portion includes a third electrical path formed between a third point of the second conductive portion and the wireless communication circuit, and a fourth electrical path formed between a fourth point of the second conductive portion and the ground, wherein a capacitor is disposed on the third electrical path, wherein the wireless communication circuit is configured to:
feed an RF(radio frequency) signal of a first frequency band to the first area of the first conductive portion via the first electrical path,
feed an RF signal of a second frequency band at least partially overlapping with the first frequency band to the second conductive portion via the third electrical path.

17 . The electronic device of claim 16 ,
wherein the second area of the first conductive portion includes a fifth electrical path formed between a fifth point of the second area and the wireless communication circuit, and wherein the wireless communication circuit is configured to feed an RF signal of a third frequency band to the second area o

Assignees

• Samsung Electronics Co Ltd

Inventors

• Jang Kyihyun
• Kim Jiho
• An Seongyong
• Roh Moohyun
• Park Gyubok
• Seol Kyungmoon
• Choe Jaewon

Classifications

• H04B1/005

  adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges · CPC title

• H04B1/3888

  Arrangements for carrying or protecting transceivers · CPC title

• H01Q21/28

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

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H04B7/0413

  MIMO systems · CPC title