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EP-4738606-A1 - ELECTRONIC DEVICE COMPRISING ANTENNA

EP4738606A1EP 4738606 A1EP4738606 A1EP 4738606A1EP-4738606-A1

Abstract

In embodiments, an antenna module is provided. The antenna module may comprise: an insulating plate including at least one conductive pattern; and a plurality of radiation structures disposed on one surface of the insulating plate. Each of the plurality of radiation structures may comprise a substrate part and a support part disposed between the substrate part and the insulating plate. The substrate part may comprise a non-conductive substrate and a metal pattern arranged on the non-conductive substrate to radiate signals. The support part may comprise a plurality of side-surface regions and a feed region. The at least one conductive pattern may be electrically connected to a first feed portion for first polarization and a second feed portion for second polarization.

Inventors

  • LEE, JUNESEOK
  • PARK, SANGHOON
  • JUNG, Sohyeon
  • LEE, JUNGYUB

Assignees

  • Samsung Electronics Co., Ltd.

Dates

Publication Date
20260506
Application Date
20240503

Claims (15)

  1. An antenna module, comprising: an insulating plate including at least one conductive pattern; and a plurality of radiation structures disposed on a surface of the insulating plate, wherein each radiation structure of the plurality of radiation structures comprises a substrate portion and a support portion disposed between the substrate portion and the insulating plate, wherein the substrate portion comprises a non-conductive substrate and a metal pattern formed on the non-conductive substrate and configured to radiate signals, wherein the support portion comprises a plurality of side areas and a feeding area, wherein the at least one conductive pattern is electrically connected to a first feeding portion for a first polarization and a second feeding portion for a second polarization, wherein the first feeding portion is disposed along at least one first side area among the plurality of side areas of the support portion and the feeding area, wherein the second feeding portion is disposed along at least one second side area among the plurality of side areas of the support portion and the feeding area.
  2. The antenna module of claim 1, wherein the plurality of side areas of the support portion includes a plurality of inner surfaces and a plurality of outer surfaces wherein the plurality of inner surfaces includes the at least one first side area and the at least one second side area, and wherein a conductive portion for a ground is formed on each outer surface of the plurality of outer surfaces.
  3. The antenna module of claim 1, wherein at least a portion of the first feeding portion is disposed on a first surface of the feeding area of the support portion, and wherein at least a portion of the second feeding portion is disposed on a second surface opposite to the first surface of the feeding area of the support portion.
  4. The antenna module of claim 1, wherein the plurality of side areas are disposed to connect between the substrate portion and the insulating plate in an inclined posture according to a predetermined inclination.
  5. The antenna module of claim 1, wherein the at least one conductive pattern includes a first conductive pattern for the first polarization and a second conductive pattern for the second polarization, wherein the first conductive pattern is electrically connected to the first feeding portion, wherein the second conductive pattern is electrically connected to the second feeding portion, and wherein the first polarization and the second polarization are substantially perpendicular.
  6. The antenna module of claim 1, wherein the first feeding portion comprises: a first feeding segment formed on the surface of the insulating plate; a second feeding segment connecting between the surface of the insulating plate and another surface opposite to the surface; a third feeding segment formed on the other surface of the insulating plate; a fourth feeding segment formed along one side area of the at least one first side area of the support portion; a fifth feeding segment formed along the feeding area of the support portion; and a sixth feeding segment formed along another side area of the at least one first side area of the support portion.
  7. The antenna module of claim 6, further comprising: a first conductive via for electrically connecting the fourth feeding segment and the fifth feeding segment; and a second conductive via for electrically connecting the fifth feeding segment and the sixth feeding segment, and wherein each of the first conductive via and the second conductive via is disposed over the feeding area.
  8. The antenna module of claim 7, wherein the second feeding portion comprises: a first feeding segment formed on the surface of the insulating plate; a second feeding segment connecting between the surface of the insulating plate and the other surface opposite to the surface; a third feeding segment formed on the other surface of the insulating plate; a fourth feeding segment formed along one side area of the at least one second side area of the support portion; a fifth feeding segment formed along the feeding area of the support portion; and a sixth feeding segment formed along another side area of the at least one second side area of the support portion.
  9. The antenna module of claim 1, further comprising: at least one via for coupling each side area of the plurality of side areas and the insulating plate, wherein a shape of the at least one via comprises rectangular cross sections.
  10. The antenna module of claim 1, wherein a shape of the support portion is a frustum of quadrangular pyramid, and wherein a width of the feeding area of the support portion is smaller than a width of an area where the support portion is coupled to the insulating plate,
  11. The antenna module of claim 1, wherein the non-conductive substrate of the substrate portion and the support portion are dielectrics of same materials and are integrally formed.
  12. The antenna module of claim 1, wherein each side portion of the side areas of the support portion is disposed to maintain a constant distance from the insulating plate to the substrate portion, and wherein the feeding area of the support portion is disposed substantially parallel to the substrate portion.
  13. The antenna module of claim 1, wherein the metal pattern comprises a first pattern part, a second pattern part, a third pattern part, and a fourth pattern part, and wherein each of the first pattern part, the second pattern part, the third pattern part, and the fourth pattern part are used as a radiator of a folded dipole antenna through the first feeding portion and the second feeding portion of the feeding area.
  14. The antenna module of claim 1, further comprising: a plurality of pillar structures disposed between the insulating plate and the substrate portion, wherein a conductive portion is formed on at least a portion of each pillar structure of the plurality of pillar structures. wherein the plurality of pillar structures are disposed to surround the support portion, and wherein a shape of the conductive portion has a longest length in a direction from the insulating plate to the substrate portion.
  15. A communication apparatus comprising: a processor; at least one wireless communication circuitry; and an antenna module comprising a plurality of sub-arrays, wherein, for each sub-array, the antenna module comprises: an insulating plate including at least one conductive pattern; and a plurality of radiation structures disposed on a surface of the insulating plate, wherein each radiation structure of the plurality of radiation structures comprises a substrate portion and a support portion disposed between the substrate portion and the insulating plate, wherein the substrate portion comprises a non-conductive substrate and a metal pattern formed on the non-conductive substrate and configured to radiate signals, wherein the support portion comprises a plurality of side areas and a feeding area, wherein the at least one conductive pattern is electrically connected to a first feeding portion for a first polarization and a second feeding portion for a second polarization, wherein the first feeding portion is disposed along at least one first side area among the plurality of side areas of the support portion and the feeding area, wherein the second feeding portion is disposed along at least one second side area among the plurality of side areas of the support portion and the feeding area.

Description

[Technical Field] The present disclosure relates to an electronic device including an antenna. [Background Art] As one of technologies for mitigating a propagation path loss and increasing a transmission distance of radio waves, a beamforming technology is used. Beamforming, in general, concentrates a coverage of the radio waves by using a plurality of antennas or increases a directivity of reception sensitivity with respect to a specific direction. To operate the beamforming technology, a communication node may be provided with the plurality of antennas. The above-described information may be provided as related art for the purpose of helping understanding of the present disclosure. No argument or decision is made as to whether any of the above descriptions may be applied as prior art related to the present disclosure. [Disclosure] [Technical Solution] In embodiments, an antenna module is provided. The antenna module may comprise an insulating plate including at least one conductive pattern, and a plurality of radiation structures disposed on a surface of the insulating plate. Each radiation structure of the plurality of radiation structures may comprise a substrate portion and a support portion disposed between the substrate portion and the insulating plate. The substrate portion may comprise a non-conductive substrate and a metal pattern formed on the non-conductive substrate and configured to radiate signals. The support portion may comprise a plurality of side areas and a feeding area. The at least one conductive pattern may be electrically connected to a first feeding portion for a first polarization and a second feeding portion for a second polarization. The first feeding portion may be disposed along at least one first side area among the plurality of side areas of the support portion and the feeding area. The second feeding portion may be disposed along at least one second side area among the plurality of side areas of the support portion and the feeding area. In embodiments, a communication apparatus is provided. The communication apparatus may comprise a processor, at least one wireless communication circuitry, and an antenna module comprising a plurality of sub-arrays. For each sub-array, the antenna module may comprise an insulating plate including at least one conductive pattern, and a plurality of radiation structures disposed on a surface of the insulating plate. Each radiation structure of the plurality of radiation structures may comprise a substrate portion and a support portion disposed between the substrate portion and the insulating plate. The substrate portion may comprise a non-conductive substrate and a metal pattern formed on the non-conductive substrate and configured to radiate signals. The support portion may comprise a plurality of side areas and a feeding area. The at least one conductive pattern may be electrically connected to a first feeding portion for a first polarization and a second feeding portion for a second polarization. The first feeding portion may be disposed along at least one first side area among the plurality of side areas of the support portion and the feeding area. The second feeding portion may be disposed along at least one second side area among the plurality of side areas of the support portion and the feeding area. [Description of the Drawings] FIG. 1 indicates a wireless communication system.FIGS. 2A to 2C indicate an example of a radiation structure for a dipole antenna.FIGS. 3A to 3C indicate another example of a radiation structure for a dipole antenna.FIG. 4 indicates an example of a radiation pattern of an antenna module using a dipole antenna.FIG. 5A indicates a cross-section of a radiation structure for a dipole antenna.FIG. 5B indicates an example of feeding lines of a radiation structure for a dipole antenna.FIG. 6A indicates examples of a via for a radiation structure for a dipole antenna.FIG. 6B indicates an example of a method for generating a radiation structure for a dipole antenna.FIG. 7 indicates an example of a metal pattern for a dipole antenna.FIGS. 8A to 8C indicate an example of an antenna element including a pillar structure for beamforming control.FIG. 9 indicates an example of performance of an antenna element including a pillar structure for beamforming control.FIG. 10 indicates an example of a conductive portion of a pillar structure for beamforming control.FIG. 11 is a diagram for describing a principle of beamforming control using a pillar structure.FIGS. 12A to 12C indicates examples of performance of a sub-array for a dipole antenna.FIGS. 13A to 13D indicates examples of an antenna module including a radiation structure for a dipole antenna.FIG. 14 illustrates an example of a functional component of an electronic device including a radiation structure for a dipole antenna. Throughout the drawings, the same reference numerals will be understood to refer to the same parts, components, and structures. [Mode for Invention] Te