Search

CN-122026059-A - Antenna assembly and electronic equipment

CN122026059ACN 122026059 ACN122026059 ACN 122026059ACN-122026059-A

Abstract

The application provides an antenna assembly and electronic equipment, wherein the antenna assembly comprises a first metal surface and a second metal surface which are arranged at intervals along a first direction, a plurality of first conductive pieces which are arranged between the first metal surface and the second metal surface and are enclosed with the first metal surface and the second metal surface to form at least two adjacent side surfaces of an antenna cavity, the side surfaces of the cavity, which are not provided with the first conductive pieces, are used for receiving and/or transmitting radio frequency signals, the first conductive pieces form first intervals along a second direction and/or a third direction, the second direction is perpendicular to the first direction, the second direction is not parallel to the third direction, and the first intervals are used for penetrating signal wires passing through the different side surfaces of the cavity.

Inventors

  • GUO HENG
  • TU FANG

Assignees

  • 联想(北京)有限公司

Dates

Publication Date
20260512
Application Date
20260128

Claims (10)

  1. 1. An antenna assembly, comprising: A first metal surface and a second metal surface arranged at intervals along a first direction; The plurality of first conductive pieces are arranged between the first metal surface and the second metal surface, are enclosed with the first metal surface and the second metal surface, form at least two adjacent side surfaces of an antenna cavity, and form an opening on the side surface of the cavity, where the first conductive pieces are not arranged, for receiving and/or transmitting radio frequency signals; The first conductive pieces form first intervals along a second direction and/or a third direction, the second direction and the third direction are respectively perpendicular to the first direction, and the second direction and the third direction are not parallel; the first interval is used for penetrating through signal wires between different sides of the cavity.
  2. 2. The antenna assembly of claim 1, wherein the plurality of first conductive members on a first side opposite to a second side where the opening is formed with the first space, the signal line passing through the first space via the opening and the cavity.
  3. 3. The antenna assembly of claim 1, wherein the first metal face is a metal back plate of a non-display face of a display panel, the display panel further comprising a backlight module, the signal line being configured to transmit a power supply signal and/or a control signal of the backlight module.
  4. 4. The antenna assembly of any of claims 1-3, further comprising a plastic layer filling at least a partial region of the cavity; The plastic layer is provided with a containing groove penetrating along the first direction, and at least part of the signal wire is embedded in the containing groove.
  5. 5. The antenna assembly of any of claims 1-3, the first metal face being a metal back plate of a non-display face of a display panel, the second metal face being a metal housing of an electronic device, the first plurality of conductive pieces being a first plurality of conductive foam, one end of the first plurality of conductive foam abutting against the metal back plate, the other end abutting against the metal housing, the first spacing being one of a plurality of spacings formed by the first plurality of conductive foam.
  6. 6. The antenna assembly of claim 5, a distance between adjacent ones of the first conductive foam being less than one tenth of a wavelength of the radio frequency signal.
  7. 7. The antenna assembly of any of claims 1-3, further comprising: A feed source; the circuit board is arranged in the cavity, and the second metal surface is connected with the first end of the circuit board to form a reference ground of the antenna assembly; the second conductive pieces and the adjacent first conductive pieces are arranged at intervals along the second direction, and the second conductive pieces are connected with the circuit board and the feeding point on the first metal surface.
  8. 8. The antenna assembly of claim 7, a height of the second conductive element in the first direction being less than a height of the first conductive element.
  9. 9. The antenna assembly according to claim 7, The adjacent sides are vertical; The length of the antenna cavity along the second direction and the width of the antenna cavity along the third direction are smaller than half wavelength of the radio frequency signal; The frequency of the radio frequency signal is 2.4GHz or 5GHz.
  10. 10. An electronic device, comprising: A display panel, a non-display surface of the display panel having a metal back plate; the metal shell is arranged at intervals with the metal back plate along the first direction; the antenna assembly includes: The metal backboard is used as the first metal surface, and the metal shell is used as the second metal surface; The plurality of first conductive pieces are arranged between the first metal surface and the second metal surface, are enclosed with the first metal surface and the second metal surface, form at least two adjacent side surfaces of an antenna cavity, and form an opening on the side surface of the cavity, where the first conductive pieces are not arranged, for receiving and/or transmitting radio frequency signals; The first conductive pieces form first intervals along a second direction and/or a third direction, the second direction and the third direction are respectively perpendicular to the first direction, and the second direction and the third direction are not parallel; the first interval is used for penetrating through signal wires between different sides of the cavity.

Description

Antenna assembly and electronic equipment Technical Field The present application relates to antenna technologies, and in particular, to an antenna assembly and an electronic device. Background The antenna component is an important component for realizing wireless communication of the electronic equipment, and the structural design of the antenna component needs to be compatible with electromagnetic performance and complete machine space layout. Cavity antennas are commonly used in the related art to achieve good radiation performance, and the antenna structure includes a metal cavity. Along with the diversification of functions of the device and the compactness of the appearance design, the mounting position of the antenna is limited by connecting wires in the electronic device and functional modules such as a circuit board, so that the traditional antenna structure is difficult to adapt to complex space limitation. For example, when the backlight module with side light entering and the antenna assembly share the corner area of the device, the integrated design of the cavity antenna faces a great challenge due to factors such as limited signal line layout path, fixed turning radius, and unalterable flexible circuit board running. Disclosure of Invention The embodiment of the application provides an antenna assembly and electronic equipment. The technical scheme of the embodiment of the application is realized as follows: The antenna assembly comprises a first metal surface and a second metal surface which are arranged at intervals along a first direction, a plurality of first conductive pieces which are arranged between the first metal surface and the second metal surface and are surrounded with the first metal surface and the second metal surface to form at least two adjacent side surfaces of an antenna cavity, openings are formed in the side surfaces of the cavity, which are not provided with the first conductive pieces, for receiving and/or transmitting radio-frequency signals, wherein the first conductive pieces form first intervals along a second direction and/or a third direction, the second direction is perpendicular to the first direction respectively, the second direction is not parallel to the third direction, and the first intervals are used for penetrating signal wires between different side surfaces of the cavity. In some embodiments, the plurality of first conductive members on a first side opposite to a second side where the opening is formed with the first space, and the signal line passes through the first space via the opening and the cavity. In some embodiments, the first metal surface is a metal back plate of a non-display surface of a display panel, the display panel further includes a backlight module, and the signal line is used for transmitting a power supply signal and/or a control signal of the backlight module. In some embodiments, the antenna assembly further comprises a plastic layer, wherein the plastic layer at least fills part of the area of the cavity, the plastic layer is provided with a containing groove penetrating along the first direction, and at least part of the signal wire is embedded in the containing groove. In some embodiments, the first metal surface is a metal back plate of a non-display surface of the display panel, the second metal surface is a metal shell of the electronic device, the plurality of first conductive pieces are a plurality of first conductive foam pieces, one ends of the plurality of first conductive foam pieces are abutted on the metal back plate, the other ends of the plurality of first conductive foam pieces are abutted on the metal shell, and the first interval is one of a plurality of intervals formed by the plurality of first conductive foam pieces. In some embodiments, the distance between adjacent first conductive foam is less than one tenth of the wavelength of the radio frequency signal. In some embodiments, the antenna assembly further comprises a feed source, a circuit board, a second conductive piece and a first conductive piece, wherein the circuit board is arranged in the cavity, the second metal surface is connected with the first end of the circuit board to form a reference ground of the antenna assembly, the second conductive piece and the adjacent first conductive piece are arranged at intervals along the second direction, and the second conductive piece is connected with the circuit board and a feed point on the first metal surface. In some embodiments, the second conductive member has a height in the first direction that is less than a height of the first conductive member. In some embodiments, the adjacent sides are perpendicular, the length of the antenna cavity along the second direction and the width of the antenna cavity along the third direction are less than half a wavelength of the radio frequency signal, and the frequency of the radio frequency signal is 2.4GHz or 5GHz. The electronic device comprises a display pan