Antenna module and electronic device comprising the antenna module

Patent metadata

Field	Value
Publication number	US-12548896-B2
Application number	US-202218079432-A
Country	US
Kind code	B2
Filing date	Dec 12, 2022
Priority date	Sep 8, 2021
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

An electronic device according to an example embodiment includes: a switch die including a first portion transmission path and a first portion reception path, the first portion transmission path being connected in parallel to a transmission switch, and the first portion reception path being connected in parallel to a reception switch; a first connecting unit comprising a conductive material connected to the first portion transmission path and a second connecting unit comprising a conductive material connected to the first portion reception path; and a radio unit (RU) board including a second portion transmission path connected to the first connecting unit and a second portion reception path connected to the second connecting unit.

First claim

What is claimed is:

1 . An electronic device comprising:
a switch die comprising a first portion transmission path comprising a first via and a first transmission line and a first portion reception path, the first portion transmission path being connected in parallel to a transmission switch, and the first portion reception path being connected in parallel to a reception switch; a first connecting unit, comprising a conductive material, connected to the first portion transmission path, and a second connecting unit, comprising a conductive material, connected to the first portion reception path; and a radio unit (RU) board comprising a second portion transmission path comprising a second via and a second transmission line, the second portion transmission path being connected to the first connecting unit, and a second portion reception path connected to the second connecting unit, wherein the first connecting unit comprises a first bump of the RU board electrically connected through the second via to the second transmission line and a first ball of the switch die electrically connected through the first via to the first transmission line, and wherein a length of a transmission path formed via the first portion transmission path in the switch die, the first connecting unit, and the second portion transmission path in the RU board is determined based on a wavelength of a frequency used to transmit a radio frequency (RF) transmission signal.

2 . The electronic device of claim 1 , wherein the switch die further comprises a circuit configured to generate the RF transmission signal to be radiated via an antenna.

3 . The electronic device of claim 2 , wherein the RU board further comprises a common path to which the second portion transmission path and the second portion reception path merge.

4 . The electronic device of claim 3 , further comprising:
the antenna connected to the common path.

5 . The electronic device of claim 4 , further comprising:
a connecting unit comprising a conductive material configured to connect the common path to the antenna.

6 . The electronic device of claim 4 , wherein the antenna includes a patch antenna.

7 . The electronic device of claim 1 , wherein the length of the transmission path is ¼ of the wavelength.

8 . The electronic device of claim 1 , wherein, based on the RF transmission signal being transmitted via the electronic device, the reception switch is configured to close such that ground is connected to the first portion reception path.

9 . The electronic device of claim 1 , wherein a length of a reception path formed via the first portion reception path, the second connecting unit, and the second portion reception path is determined based on a wavelength used to receive an RF reception signal.

10 . The electronic device of claim 1 , wherein, based on an RF reception signal being received via the electronic device, the transmission switch is configured to close such that ground is connected to the first portion transmission path.

11 . The electronic device of claim 1 , wherein the first portion transmission path comprises:
a first transmission line (TRL); and a first via, wherein the transmission switch is connected in parallel to the first TRL.

12 . The electronic device of claim 11 , wherein the second portion transmission path comprises:
a second TRL; and a second via, wherein the first via and the second via are connected to each other via the first connecting unit.

13 . A wireless communication device configured to communicate with a terminal, the wireless communication device comprising:
an antenna unit comprising a plurality of antennas; a power interface unit comprising circuitry configured to transmit and receive a signal via the antenna unit; a radio frequency (RF) processing unit comprising circuitry connected to the power interface unit and configured to process the signal; and a control unit comprising circuitry configured to control an operation of the wireless communication device, wherein the RF processing unit comprises a switch die comprising a first portion transmission path comprising a first via and a first transmission line and a first portion reception path, the first portion transmission path being connected in parallel to a transmission switch, and the first portion reception path being connected in parallel to a reception switch, wherein the power interface unit comprises a radio unit (RU) board comprising a second portion transmission path comprising a second via and a second transmission line, the second portion transmission path being connected to the first portion transmission path via a first connecting unit comprising a conductive material and a second portion reception path connected to the first portion reception path via a second connecting unit comprising a conductive material, wherein the first connecting unit comprises a first bump of the RU board electrically connected through the second via to the second transmission line and a first ball of the switch die electrically connected through the first via to the first transmission line, and wherein a length of a transmission path formed via the first portion transmission path in the switch die, the first connecting unit, and the second portion transmission path in the RU board is determined based on a wavelength of a frequency used to transmit an RF transmission signal.

14 . The wireless communication device of claim 13 , wherein the switch die comprises a circuit configured to generate the RF transmission signal to be radiated via an antenna.

15 . The wireless communication device of claim 14 , wherein the RU board comprises a common path to which the second portion transmission path and the second portion reception path merge.

16 . The wireless communication device of claim 15 , further comprising:
a connecting unit comprising a conductive material configured to connect the common path to the antenna unit.

17 . The wireless communication device of claim 13 , wherein the length of the transmission path is ¼ of the wavelength.

18 . The wireless communication device of claim 13 , wherein, based on the RF transmission signal being transmitted via the wireless communication device, the reception switch is configured to close such that ground is connected to the first portion reception path.

19 . The wireless communication device of claim 13 , wherein, based on an RF reception signal being received via the wireless communication device, the transmission switch is configured to close such that ground is connected to the first portion transmission path.

20 . A method of controlling an antenna switch, performed by an electronic device, the method comprising:
determining an antenna mode in which an antenna of the electronic device operates; and controlling the antenna switch connected to the antenna based on the antenna mode, the antenna switch comprising a transmission switch and a reception switch, wherein the electronic device comprises:
a switch die comprising a first portion transmission path comprising a first via and a first transmission line and a first portion reception path, the first portion transmission path being connected in parallel to the transmission switch, and the first portion reception path being connected in parallel to the reception switch;
a first connecting unit comprising a conductive material connected to the first portion transmission path and a second connecting unit comprising a conductive material connected to

Assignees

• Samsung Electronics Co Ltd

Inventors

• Lee Sangho
• Park Sangyong
• Park Hyunchul
• Baek Kwanghyun
• Baek Seungjae
• Yoon Seunghwan

Classifications

• H01Q9/0407

  Substantially flat resonant element parallel to ground plane, e.g. patch antenna (dipole H01Q9/285; monopole H01Q9/40) · 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

• H04B1/44

  Transmit/receive switching · CPC title

• H04B1/3833

  Hand-held transceivers · CPC title