US-12627027-B2 - Antenna device and electronic device comprising same

Abstract

An antenna device according to an embodiment may comprise: a substrate portion; a first via pad configured to provide a power supply signal to a radiation member comprising a radiator; a second via pad configured to provide a ground to the radiation member; the radiation member being connected to the first via pad and the second via pad; and a radiation guide portion formed of a dielectric extending from the substrate portion in a lateral direction of the substrate portion and configured to guide a beam emitted from the radiation member, thereby directing the beam in the lateral direction.

Inventors

• Yeonsik YU
• Sungjae Kim
• Hoyong Kim
• Sanguk Park
• Jongwan SHIM
• Jeongnam CHEON

Assignees

• SAMSUNG ELECTRONICS CO., LTD.

Dates

Publication Date

20260512

Application Date

20240422

Priority Date

20211026

Claims (16)

1. 1 . An antenna device comprising: a board unit; a first pad configured to provide a feed signal to a radiation member; a second pad configured to provide a ground to the radiation member; the radiation member connected to the first pad and the second pad; and a radiation guide unit formed of a dielectric extending from the board unit in a lateral direction of the board unit, and configured to guide a beam emitted from the radiation member in the lateral direction, wherein the radiation guide unit comprises a waveguide substantially surrounding the radiation member, and wherein an end portion of the radiation guide unit has a semi-elliptical shape.
2. 2 . The antenna device of claim 1 , wherein the radiation guide unit is configured to guide a beam reflected by a component included in the board unit in the lateral direction.
3. 3 . The antenna device of claim 1 , wherein a height of the radiation member is substantially equal to a height of the board unit.
4. 4 . The antenna device of claim 1 , wherein the radiation member includes a folded dipole antenna having an elongated hole.
5. 5 . The antenna device of claim 4 , wherein the radiation member includes a wall formed in the elongated hole through plating.
6. 6 . The antenna device of claim 4 , wherein the radiation member is disposed spaced apart from the board unit by a specified distance.
7. 7 . The antenna device of claim 4 , wherein a via hole is formed between the first pad and the second pad.
8. 8 . The antenna device of claim 1 , wherein each of an end portion of the first pad and an end portion of the second pad has a semi-circular shape.
9. 9 . The antenna device of claim 1 , wherein the radiation member includes an antenna configured to support millimeter wave (mm-Wave) communication.
10. 10 . The antenna device of claim 1 , wherein the board unit includes a dielectric substrate comprising a stack of a plurality of layers, and wherein at least some of the plurality of layers include a printed circuit pattern comprising a conductor, a ground, and a plurality of holes.
11. 11 . The antenna device of claim 1 , wherein the dielectric includes a flame retardant 4 (FR4) dielectric.
12. 12 . An electronic device comprising: a wireless communication module comprising wireless communication circuitry configured to support millimeter wave communication; at least one processor comprising processing circuitry; and an antenna device comprising: a board unit; a first pad configured to provide a feed signal to a radiation member, including an antenna; a second pad configured to provide a ground to the radiation member; the radiation member connected to the first pad and the second pad; and a radiation guide unit formed of a dielectric extending from the board unit in a lateral direction of the board unit, and configured to guide a beam emitted from the radiation member in the lateral direction, wherein the radiation guide unit is in a form of a waveguide substantially surrounding the radiation member, and wherein an end portion of the radiation guide unit has a semi-elliptical shape.
13. 13 . The electronic device of claim 12 , wherein the radiation guide unit is configured to guide the beam reflected by a component included in the board unit in the lateral direction.
14. 14 . The electronic device of claim 13 , wherein the semi-elliptical shape includes a concave or convex semi-elliptical shape.
15. 15 . The electronic device of claim 12 , wherein a height of the radiation member is substantially equal to a height of the board unit.
16. 16 . The electronic device of claim 12 , wherein the radiation member includes a folded dipole antenna having an elongated hole.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Application No. PCT/KR2022/016451 designating the United States, filed on Oct. 26, 2022, in the Korean Intellectual Property Receiving Office and claiming priority to Korean Patent Application No. 10-2021-0143581, filed on Oct. 26, 2021, in the Korean Intellectual Property Office, the disclosures of each of which are incorporated by reference herein in their entireties. BACKGROUND Field The disclosure relates to an antenna device and an electronic device including the same. Description of Related Art Wireless communication technology is implemented in various ways, such as wireless local area network (w-LAN) represented by Wi-Fi technology, Bluetooth, and near field communication (NFC). Mobile communication services are evolving from 1st generation mobile communication services centered on voice calls to 5th generation mobile communication networks. The 5th generation mobile communication networks may provide mobile communication services in a ultra-high frequency band of tens of GHz (hereinafter, referred to as “millimeter-wave (mm-Wave) communication”). An antenna device used for wireless communication (e.g., mm-Wave communication) may be implemented on a portion (the periphery) of a circuit board (e.g., a printed circuit board (PCB)), thereby securing antenna radiation performance and overcoming the constraints of a mounting space. When an antenna device used for wireless communication (e.g., millimeter-Wave communication) is implemented on a circuit board including a dielectric (e.g., a flame retardant 4 (FR4) dielectric), a deviation in the dielectric permittivity (or “dielectric constant”) of the dielectric may cause a deviation in frequency resonance, and an antenna gain may be decreased by a high dielectric dissipation factor. SUMMARY Embodiments of the disclosure provide an antenna device and an electronic device including the same, which may maintain user-desired communication band characteristics and prevent and/or reduce the decrease of an antenna gain which might otherwise be caused by a high dielectric dissipation factor, even in the presence of a deviation in the dielectric permittivity of a dielectric. An antenna device according to an example embodiment of the disclosure includes: a board unit including a printed circuit board, a first via pad configured to provide a feed signal to a radiation member including a radiator, a second via pad configured to provide a ground to the radiation member, the radiation member connected to the first via pad and the second via pad, and a radiation guide unit formed of a dielectric extending from the board unit in a lateral direction of the board unit, and configured to guide a beam emitted from the radiation member in the lateral direction. An antenna device according to an example embodiment of the disclosure includes: a board unit comprising a printed circuit board, a radiation member including a radiator, and a radiation guide unit formed of a dielectric extending from the board unit, and configured to guide a beam emitted from the radiation member in a direction in which a top surface or a bottom surface of the board unit faces. An electronic device according to an example embodiment includes a wireless communication module comprising wireless communication circuitry configured to support millimeter wave communication, at least one processor, comprising processing circuitry, and an antenna device. The antenna device includes: a board unit comprising a printed circuit board, a first via pad configured to provide a feed signal to a radiation member including an antenna, a second via pad configured to provide a ground to the radiation member, the radiation member connected to the first via pad and the second via pad, and a radiation guide unit formed of a dielectric extending from the board unit in a lateral direction of the board unit, and configured to guide a beam emitted from the radiation member in the lateral direction. An antenna device and an electronic device including the same according to various example embodiments of the disclosure may maintain user-desired communication band characteristics and prevent and/or reduce the decrease of an antenna gain which might otherwise be caused by a high dielectric dissipation factor, even in the presence of a deviation in the dielectric permittivity of a dielectric. BRIEF DESCRIPTION OF THE DRAWINGS The above and other aspects, features and advantages of certain embodiments of the present disclosure will be more apparent from the following detailed description, taken in conjunction with the accompanying drawings, in which: FIG. 1 is a block diagram illustrating an example electronic device in a network environment according to various embodiments; FIG. 2 is a diagram illustrating an example method of communication between antenna devices according to various embodiments; FIG. 3 is a perspective view illustrating a