Electronic device including isolated conductor

Patent metadata

Field	Value
Publication number	US-2021151856-A1
Application number	US-202016953702-A
Country	US
Kind code	A1
Filing date	Nov 20, 2020
Priority date	Nov 20, 2019
Publication date	May 20, 2021
Grant date	—

Abstract

An electronic device including an isolated conductor is provided. The electronic device includes a display panel including a first surface facing a first direction and a second surface facing a second direction, a first printed circuit board which is positioned in the second direction of the display panel and includes a first ground unit, a bracket including a first structure which forms a side surface of the electronic device and a second structure which forms a space in which electronic components are mounted, a wireless communication circuit which is electrically connected to the first metal region, and a second printed circuit board including a second ground unit, wherein the first structure of the bracket includes a first metal region, the second structure of the bracket includes a second metal region, a first non-metal region, and a third metal region extending through one region of the first non-metal region.

First claim

What is claimed is:

1 . An electronic device comprising:
a display panel comprising a first surface facing a first direction and a second surface facing a second direction; a first printed circuit board configured to be positioned in the second direction of the display panel and to comprise a first ground unit; a bracket comprising a first structure which forms a side surface of the electronic device and a second structure which forms a space in which electronic components are mounted, wherein the first structure of the bracket comprises a first metal region operating as a radiator and insulation regions positioned at both ends of the first metal region, and the second structure of the bracket comprises a second metal region, a first non-metal region, and a third metal region extending through one region of the first non-metal region; a wireless communication circuit which is electrically connected to the first metal region and is configured to transmit or receive at least one signal having a designated frequency; and a second printed circuit board comprising a second ground unit, wherein the first metal region is electrically connected to the second printed circuit board, and wherein the third metal region is electrically connected to the first ground unit and the second ground unit.

2 . The electronic device of claim 1 , wherein an electrical path is formed among the first metal region, the second ground unit, the third metal region, and the first ground unit.

3 . The electronic device of claim 2 , wherein the electrical path electrically connects the first metal region and the first ground unit, and the first ground unit is configured as a ground of the electrical path.

4 . The electronic device of claim 1 , further comprising a flexible printed circuit board for electrically connecting the display panel and the first printed circuit board.

5 . The electronic device of claim 1 ,
wherein the third metal region is positioned to be spaced apart from the first metal region and the second metal region, and wherein the first metal region, the second metal region, and the third metal region are made of the same material.

6 . The electronic device of claim 1 , wherein the second printed circuit board further comprises a feeding unit which is operatively connected to the wireless communication circuit and feeds power to the first metal region.

7 . The electronic device of claim 6 , wherein the feeding unit is electrically connected to the first metal region through a first electrical connection unit and feeds power to the first metal region.

8 . The electronic device of claim 1 , wherein the third metal region is electrically connected to the first ground unit directly, or through a second electrical connection unit.

9 . The electronic device of claim 8 , wherein the third metal region is electrically connected to the second ground unit through a third electrical connection unit.

10 . The electronic device of claim 9 , further comprising:
a switch circuit configured to electrically connect the third metal region to the second ground unit or an open stub; and at least one processor configured to be electrically connected to the switch circuit and to control a connection state of the switch circuit.

11 . The electronic device of claim 10 , wherein the switch circuit electrically connects the third metal region to the second ground unit, the open stub, an inductor, or a capacitor.

12 . The electronic device of claim 11 , further comprising:
a memory in which connection state information of the switch circuit corresponding to a frequency band of the at least one signal is stored, wherein the at least one processor is further configured to control a connection state of the switch circuit based on the connection state information of the switch circuit corresponding to the frequency band of the at least one signal.

13 . The electronic device of claim 12 , wherein the at least one processor is further configured to:
control the switch circuit to connect the third metal region to the second ground unit when the at least one signal is in a first frequency band, and control the switch circuit to connect the third metal region to the open stub when the at least one signal is in a second frequency band.

14 . The electronic device of claim 10 , further comprising a tuner integrated circuit (IC) configured to:
electrically connect the at least one processor to a coupler for detecting power of a signal transmitted to the first metal region, and electrically connect the at least one processor to the switch circuit.

15 . The electronic device of claim 14 , wherein the at least one processor is further configured to control a connection state of the switch circuit based on a change in power of the transmitted signal, the power being detected by the coupler.

16 . An electronic device comprising:
a housing, wherein the housing comprises:
an antenna radiator functioning as a radiator, a metal region, and an island metal spaced apart from the antenna radiator and the metal region;
a display panel configured to be positioned in the housing and to comprise a first surface facing a first direction and a second surface facing a second direction;
a first printed circuit board configured to be positioned in the second direction of the display panel and to comprise a first ground unit;
a wireless communication circuit which is electrically connected to the antenna radiator and is configured to transmit or receive at least one signal having a designated frequency; and
a second printed circuit board configured to be positioned in the housing and to comprise a second ground unit,
wherein the antenna radiator is electrically connected to the second printed circuit board, wherein the island metal is electrically connected to the first ground unit and the second ground unit through at least one electrical connection unit, and wherein an electrical path is formed among the antenna radiator, the second ground unit, the island metal, and the first ground unit.

17 . The electronic device of claim 16 , wherein the island metal is made of the same material as those of the antenna radiator and the metal region.

18 . The electronic device of claim 16 , further comprising:
a switch circuit configured to electrically connect the island metal to the second ground unit, an open stub, a capacitor, or an inductor; and at least one processor configured to be electrically connected to the switch circuit and to control a connection state of the switch circuit.

19 . The electronic device of claim 18 , further comprising:
a memory in which connection state information of the switch circuit corresponding to a frequency band of the at least one signal is stored, wherein the at least one processor is further configured to control a connection state of the switch circuit based on the connection state information of the switch circuit corresponding to the frequency band of the at least one signal.

20 . The electronic device of claim 18 , further comprising a tuner integrated circuit (IC) configured to:
electrically connect the at least one processor to a coupler for detecting power of a signal transmitted to the antenna radiator, and electrically connect the at least one processor to the switch circuit, wherein the at least one processor is further configured to control a connection state of the switch circuit based on a change in power of the transmitted signal, the power being detected by the

Assignees

• Samsung Electronics Co Ltd

Inventors

• Kim Jongmin
• Shin Yongwoog
• Hong Sangho
• Son Muchang
• Lee Kyungtai
• Lim Yanghoon
• Cho Kyonghwan
• Kang Joseph
• Yun Jiyeon
• Kim Jongsuk

Classifications

• H04M1/0202

  Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets (constructional features of telephone transmitters or receivers, e.g. of speakers or microphones H04M1/03) · CPC title

• H04M1/026

  Details of the structure or mounting of specific components · CPC title

• H04M1/0277

  for a printed circuit board assembly · CPC title

• H04M1/0249 Primary

  Details of the mechanical connection between the housing parts or relating to the method of assembly · CPC title

• H04B1/40

  Circuits · CPC title