Antenna and electronic device comprising same

Patent metadata

Field	Value
Publication number	US-11522271-B2
Application number	US-201917058538-A
Country	US
Kind code	B2
Filing date	May 21, 2019
Priority date	May 24, 2018
Publication date	Dec 6, 2022
Grant date	Dec 6, 2022

Abstract

According to various embodiments, an electronic device may comprise: a housing comprising a front plate, a rear plate facing in the opposite direction to the front plate, and a side surface member surrounding the space between the front plate and the rear plate, the side surface member comprising a first side surface extending in a first direction and having a first length, a second side surface extending in a second direction perpendicular to the first direction and having a second length larger than the first length, a third side surface extending in parallel with the first side surface and having the first length, and a fourth side surface extending in parallel with the second side surface and having the second length; a display arranged between the front plate and the rear plate, at least a partial area of the display being exposed through the front plate, the display comprising a conductive plate; a printed circuit board arranged between the display and the rear plate, the printed circuit hoard comprising at least one conductive layer, the conductive plate and the conductive layer being electrically connected to each other; a first conductive pattern arranged between the printed circuit board and the rear plate; a second conductive pattern arranged between the printed circuit board and the front plate and, when seen from above the front plate, between the first side surface of the side surface member and the conductive plate; and a wireless communication circuit electrically connected to the first conductive pattern and the second conductive pattern and configured to transmit and/or receive a signal having a designated frequency. Various other embodiments may be possible.

First claim

The invention claimed is:

1. An electronic device comprising:
a housing comprising a front plate, a rear plate facing in an opposite direction to the front plate, and a side surface member surrounding a space between the front plate and the rear plate,
wherein the side surface member comprises a first side surface extending in a first direction and having a first length, a second side surface extending in a second direction perpendicular to the first direction and having a second length larger than the first length, a third side surface extending in parallel to the first side surface and having the first length, and a fourth side surface extending in parallel to the second side surface and having the second length;
a display arranged between the front plate and the rear plate, having at least a partial region exposed through the front plate, and comprising a conductive plate;
a printed circuit board arranged between the display and the rear plate and comprising at least one conductive layer,
wherein the conductive layer and the conductive plate are electrically connected to each other;
a first conductive pattern arranged between the printed circuit board and the rear plate;
a second conductive pattern arranged between the printed circuit board and the front plate and, when viewed from above the front plate, between the first side surface of the side surface member and the conductive plate; and
a wireless communication circuit configured to transmit and/or receive a signal having a designated frequency using the first conductive pattern and the second conductive pattern,
wherein the printed circuit board comprises;
a first conductive pad exposed from a first surface of the printed circuit board, the first surface facing the rear plate,
a second conductive pad exposed from a second surface of the printed circuit board, the second surface facing the front plate, and
a conductive via electrically connecting the first conductive pad and the second conductive pad, and

wherein the wireless communication circuit is electrically connected to the first conductive pattern through the first conductive pad and is electrically connected to the second conductive pattern through the second conductive pad.

2. The electronic device of claim 1 , wherein the wireless communication circuit is configured to transmit and/or receive a first signal operating in a first frequency band, through the first conductive pattern, and transmit and/or receive a second signal operating in a second frequency band different from the first frequency band, through the second conductive pattern.

3. The electronic device of claim 2 , wherein the first frequency band comprises a low band, and the second frequency band comprises a mid-band.

4. The electronic device of claim 1 , further comprising at least one first conductive connection member disposed between the conductive plate and the printed circuit board,
wherein the first conductive connection member is electrically connected to the conductive layer.

5. The electronic device of claim 4 , wherein the at least one first conductive connection member is disposed closer to the first side surface than the second side surface.

6. The electronic device of claim 4 , wherein the at least one first conductive connection member comprises at least one of a conductive tape, a conductive foam, a conductive metal piece, or a C-clip.

7. The electronic device of claim 1 , further comprising a carrier made of a dielectric material and disposed between the printed circuit board and the rear plate,
wherein the first conductive pattern is disposed on the carrier.

8. The electronic device of claim 7 , wherein the
first conductive pattern is electrically connected to the printed circuit board through a second conductive connecting member.

9. The electronic device of claim 8 , wherein the
first conductive pad at least partially overlaps the first conductive pattern when viewed from above the front plate, and
wherein the second conductive pad at least partially overlaps the second conductive pattern when viewed from above the front.

10. The electronic device of claim 9 , wherein the second conductive pad is spaced apart from and electrically connected to the second conductive pattern.

11. The electronic device of claim 9 , wherein the second conductive connection member comprises at least one of a conductive tape, a conductive foam, a conductive metal piece, or a C-clip.

12. The electronic device of claim 1 , wherein the front plate comprises an exposed display region in which the display is disposed, and at least one peripheral region, and
the second conductive pattern is disposed in the at least one peripheral region on the rear surface of the front plate.

13. The electronic device of claim 1 , wherein, when viewed from above the front plate, a portion between the first side surface of the side surface member and the conductive plate overlaps at least a part of black matrix (BM) region.

14. The electronic device of claim 1 , wherein the second conductive pattern is formed using at least one of a LDS method, a FPCB attachment method, a conductive paint application method, or a printing method.

15. The electronic device of claim 1 , comprising:
a first switching device disposed on an electrical path between the wireless communication circuit and the first conductive pattern; and
a second switching device disposed on an electrical path between the wireless communication circuit and the second conductive pattern,
wherein the first conductive pattern and the second conductive pattern are selectively operated through control by the first switching device and second switching device.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kim Jaehyung
• Kim Donghwan
• Kim Taegyu
• Park Minseok
• Yu Changha
• Yun Jiyeon
• Cho Bumjin
• Choi Donguk

Classifications

• H01Q1/38

  formed by a conductive layer on an insulating support {(patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface  H01Q15/142)} · CPC title

• H04B1/006

  using switches for selecting the desired band (H04B1/0057 takes precedence) · CPC title

• H01Q1/243 Primary

  with built-in antennas · CPC title

• H01Q1/52

  Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure (absorbing means H01Q17/00) · CPC title

• H04B1/40

  Circuits · CPC title