Antenna module including structure for extending ground and electronic device including same

Patent metadata

Field	Value
Publication number	US-2025030149-A1
Application number	US-202418908429-A
Country	US
Kind code	A1
Filing date	Oct 7, 2024
Priority date	Apr 22, 2022
Publication date	Jan 23, 2025
Grant date	—

Abstract

An electronic device according to an embodiment includes: a printed circuit board; a first antenna module including at least one antenna; a second antenna module including at least one antenna; a Bluetooth module comprising circuitry; and at least one processor, comprising processing circuitry, wherein the first antenna module includes: a chip antenna; a feeding line; at least one first ground area; a set of first conductive patterns; and a first lumped element comprising a conductive material, set including a first lumped element, a second lumped element, a third lumped element, and a fourth lumped element. A third conductive pattern, fourth conductive pattern, and the at least one first ground area form a closed loop by the second lumped element, the third lumped element, and the fourth lumped element.

First claim

What is claimed is:

1 . An electronic device comprising:
a printed circuit board (PCB) including:
a first region extending in a first direction, and
a second region extending in a second direction perpendicular to the first direction;
a first antenna module including at least one antenna disposed on the first region; a second antenna module including at least one antenna spaced apart from the first antenna module in the first direction and disposed on the first region; a Bluetooth module comprising circuitry disposed on the second region; and at least one processor, comprising processing circuitry, operatively coupled to the first antenna module, the second antenna module, and the Bluetooth module, wherein the first antenna module comprises:
a chip antenna,
a feeding line extending from the at least one processor to an end of the chip antenna,
at least one first ground region surrounding the chip antenna and the feeding line, at least portion of the at least one first ground region disposed along at least portion of a periphery of the first region,
a set of first conductive patterns including:
a first conductive pattern connected to another end of the chip antenna,
a second conductive pattern spaced apart from the first conductive pattern and extending in the first direction,
a third conductive pattern disposed between the second conductive pattern and the at least one first ground region, and
a fourth conductive pattern disposed between the third conductive pattern and the at least one first ground region,

a set of first lumped elements comprising a conductive material including:
a first lumped element connecting the first conductive pattern and the second conductive pattern,
a second lumped element connecting the third conductive pattern and a portion of the at least one first ground region,
a third lumped element connecting the third conductive pattern and the fourth conductive pattern, and
a fourth lumped element connecting the fourth conductive pattern and an other portion of the at least one first ground region that is different from the portion of the at least one first ground region, and

wherein the third conductive pattern, the fourth conductive pattern, and the at least one first ground region form a closed loop by the second lumped element, the third lumped element, and the fourth lumped element.

2 . The electronic device of claim 1 ,
wherein the portion of the at least one first ground region faces the third conductive pattern and the fourth conductive pattern and extends in the second direction, wherein the other portion of the at least one first ground region faces an end of the fourth conductive pattern facing the second direction and extends in the first direction.

3 . The electronic device of claim 1 ,
wherein the set of first conductive patterns further includes a fifth conductive pattern disposed between the second conductive pattern and the third conductive pattern, and wherein the set of first lumped elements further includes:
a fifth lumped element connecting the second conductive pattern and the fifth conductive pattern, and
a sixth lumped element connecting the third conductive pattern and the fifth conductive pattern.

4 . The electronic device of claim 1 ,
wherein the first conductive pattern includes:
a first portion extending in the first direction and facing the second conductive pattern, and
a second portion, extending in the second direction, connected to the first portion and the other end of the chip antenna, and
wherein the first lumped element connects the first portion and the second conductive pattern.

5 . The electronic device of claim 1 ,
wherein the fourth conductive pattern is spaced apart from the third conductive pattern in the second direction.

6 . The electronic device of claim 1 ,
wherein the second antenna module includes:
a second feeding line, different from a first feeding line which is the feeding line, spaced apart from the first feeding line in the first direction,
a second chip antenna, different from a first chip antenna which is the chip antenna, spaced apart from the second feeding line,
at least one second ground region, different from the at least one first ground region, surrounding the second chip antenna and the second feeding line,
a set of second conductive patterns, different from the set of first conductive patterns, the set of second conductive patterns including:
a sixth conductive pattern spaced apart from the second feeding line and connected to an end of the second chip antenna, and
a seventh conductive pattern, connected to another end of the second chip antenna and a portion of the at least one second ground region, spaced apart from an other portion of the at least one second ground region different from the portion of the at least one second ground region, and

a seventh lumped element connecting the second feeding line and the sixth conductive pattern.

7 . The electronic device of claim 6 ,
wherein the seventh conductive pattern includes:
a third portion extending from the portion of the at least one second ground region in the first direction, an end of the third portion spaced apart from the other portion of the at least one second ground region, and
a fourth portion extending from the third portion in the second direction, a portion of the fourth portion connected to the other end of the second chip antenna.

8 . The electronic device of claim 6 ,
wherein a portion of the second feeding line extends in a direction inclined with respect to the first direction between the portion of the at least one second ground region and the other portion of the at least one second ground region.

9 . The electronic device of claim 6 ,
wherein an area of the at least one first ground region is less than an area of the at least one second ground region.

10 . The electronic device of claim 1 ,
wherein the Bluetooth module includes:
a third chip antenna, different from a first chip antenna which is the chip antenna, disposed on the second region,
a third feeding line, different from a first feeding line which is the feeding line, spaced apart from the third chip antenna in the first direction,
at least one third ground region, different from the at least one first ground region, surrounding the third chip antenna and the third feeding line,
a set of third conductive patterns, different from the set of first conductive patterns, the set of third conductive patterns including:
an eighth conductive pattern, contacted with an other end of the third chip antenna, spaced apart from the third feeding line, and
a ninth conductive pattern disposed between a portion of the at least one third ground region and another portion of the at least one third ground region, and

a set of second lumped elements, different from the set of first lumped elements, the set of second lumped elements including:
an eighth lumped element connecting the third feeding line and the eighth conductive pattern, and
a ninth lumped element connecting the portion of the at least one third ground region and the ninth conductive pattern.

11 . The electronic device of claim 10 ,
wherein the set of third conductive patterns includes:
a tenth conductive pattern spaced apart from the ninth conductive pattern in the first direction, and
an eleventh conductive pattern disposed between the tenth conductive pattern and the other portion of the at least one third ground region, and
wherein the set of second lumped elements includes:
a tenth lumped element connecting the ninth conductive pattern and the tenth conductive pattern,
an eleventh lumped element conn

Assignees

• Samsung Electronics Co Ltd

Inventors

• Jeon Sinhyung
• Oh Sanggi
• Cheon Jeongnam

Classifications

• H01Q21/28

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

• H01Q1/521

  reducing the coupling between adjacent antennas · CPC title

• H01Q1/243

  with built-in antennas · CPC title

• H01Q1/526

  Electromagnetic shields · CPC title

• H01Q1/2291

  used in Bluetooth® or Wi-Fi® devices of Wireless Local Area Networks [WLAN] (H01Q1/241 takes precedence; WLAN in general H04W) · CPC title