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WO2024131176A1 - Appareil d'antenne et dispositif terminal - Google Patents

Appareil d'antenne et dispositif terminal Download PDF

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Publication number
WO2024131176A1
WO2024131176A1 PCT/CN2023/120935 CN2023120935W WO2024131176A1 WO 2024131176 A1 WO2024131176 A1 WO 2024131176A1 CN 2023120935 W CN2023120935 W CN 2023120935W WO 2024131176 A1 WO2024131176 A1 WO 2024131176A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
layer
base
metal layer
radiation
Prior art date
Application number
PCT/CN2023/120935
Other languages
English (en)
Chinese (zh)
Inventor
尹柳中
吴程炜
Original Assignee
深圳Tcl数字技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳Tcl数字技术有限公司 filed Critical 深圳Tcl数字技术有限公司
Publication of WO2024131176A1 publication Critical patent/WO2024131176A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems

Definitions

  • the present application relates to the field of antenna technology, and in particular to an antenna device and a terminal equipment.
  • the wireless signals radiated by the two antennas may interfere with each other.
  • the wireless signals radiated by the two antennas may interfere with each other, thereby affecting the performance of the antennas.
  • the purpose of the present application is to provide an antenna device and a terminal device, which can effectively improve the isolation between antenna structures.
  • An embodiment of the present application provides an antenna device, including:
  • a first antenna structure includes a first radiation area and a first isolation area connected to the first radiation area;
  • a second antenna structure is spaced apart from the first antenna structure
  • the first isolation region is located between the first radiation region and the second antenna structure, and is used to isolate the wireless signal radiated by the first radiation region from the wireless signal radiated by the second antenna structure.
  • the second antenna structure includes:
  • the second isolation zone is connected to the second radiation zone; the second isolation zone is located between the second radiation zone and the first isolation zone, and is used to isolate the antenna signal radiated by the first radiation zone from the antenna signal radiated by the second radiation zone. Line signal.
  • the first antenna structure further includes:
  • the third isolation region is connected to the first radiation region and is located on two opposite sides of the first radiation region.
  • the second antenna structure further includes:
  • the fourth isolation region is connected to the first radiation region and is located on two opposite sides of the second radiation region with the second isolation region.
  • the first isolation region includes:
  • a first patch portion stacked on the first base
  • a first via group includes at least two rows of first metal vias arranged at intervals;
  • Each of the first metal vias in the first via group passes through the patch portion, and at least some of the first metal vias in the first via group pass through the first base and the first patch portion at the same time.
  • the first radiation area includes:
  • the antenna cavity includes a second base, a second patch portion, and a second via group that are stacked;
  • a first feeding hole is provided on the second base, and the first feeding hole penetrates the second base in the thickness direction of the base;
  • a second feeding hole is provided on the second patch portion, one end of the second feeding hole is connected to one end of the first feeding hole, and the other end of the second feeding hole is located in the second patch portion;
  • the second via group includes multiple second metal vias, and the multiple second metal vias all penetrate the second base and the second patch part, and are located at the edges of the second base and the second patch part, forming three equivalent electrical walls around the first feeding hole and the second feeding hole.
  • the first patch portion includes a first metal layer, a first substrate layer, and a second metal layer stacked in sequence; wherein the second metal layer is located on a side close to the first base;
  • the first base includes a third metal layer, a second substrate layer, a fourth metal layer and a first feed layer which are arranged in sequence; wherein the third metal layer is located on a side close to the second metal layer.
  • the first metal layer and the second metal layer are electrically connected through a first metal via.
  • the second patch portion includes a first ink layer, a third substrate layer, and a fifth metal layer that are stacked, and the first ink layer is located on a side close to the second base;
  • the second base comprises a second ink layer, a fourth substrate layer, a sixth metal layer and a second feed layer which are stacked in sequence, and the second ink layer is located on a side close to the first ink layer;
  • a seventh metal layer is arranged around the first ink layer; an eighth metal layer is arranged around the second ink layer; each second metal via penetrates the fifth metal layer, the third substrate layer, the seventh metal layer, the eighth metal layer, the fourth substrate layer, the sixth metal layer and the second feed layer.
  • the first patch portion and the second patch portion are integrally provided.
  • the antenna device further comprises a substrate, the substrate comprises at least two antenna regions, and each antenna region respectively constitutes a first base and a second base in a corresponding antenna structure.
  • the embodiment of the present application further provides a terminal device, including an antenna device, the antenna device including:
  • a first antenna structure includes a first radiation area and a first isolation area connected to the first radiation area;
  • a second antenna structure is spaced apart from the first antenna structure
  • the first isolation region is located between the first radiation region and the second antenna structure, and is used to isolate the wireless signal radiated by the first radiation region from the wireless signal radiated by the second antenna structure.
  • the second antenna structure includes:
  • the second isolation zone is connected to the second radiation zone; the second isolation zone is located between the second radiation zone and the first isolation zone, and is used to isolate the antenna signal radiated by the first radiation zone from the antenna signal radiated by the second radiation zone.
  • the first antenna structure further includes:
  • the third isolation region is connected to the first radiation region and is located on two opposite sides of the first radiation region.
  • the second antenna structure further includes:
  • the fourth isolation region is connected to the first radiation region and is located on two opposite sides of the second radiation region with the second isolation region.
  • the first isolation area includes:
  • a first patch portion stacked on the first base
  • a first via group includes at least two rows of first metal vias arranged at intervals;
  • Each of the first metal vias in the first via group passes through the patch portion, and at least some of the first metal vias in the first via group pass through the first base and the first patch portion at the same time.
  • the first radiation zone includes:
  • the antenna cavity includes a second base, a second patch portion, and a second via group that are stacked;
  • a first feeding hole is provided on the second base, and the first feeding hole penetrates the second base in the thickness direction of the base;
  • a second feeding hole is provided on the second patch portion, one end of the second feeding hole is connected to one end of the first feeding hole, and the other end of the second feeding hole is located in the second patch portion;
  • the second via group includes multiple second metal vias, and the multiple second metal vias all penetrate the second base and the second patch part, and are located at the edges of the second base and the second patch part, forming three equivalent electrical walls around the first feeding hole and the second feeding hole.
  • the first patch portion includes a first metal layer, a first substrate layer, and a second metal layer stacked in sequence; wherein the second metal layer is located on a side close to the first base;
  • the first base comprises a third metal layer, a second substrate layer, a fourth metal layer and a first feed layer which are arranged in sequence; wherein the third metal layer is located on a side close to the second metal layer.
  • the second patch portion includes a first ink layer, a third substrate layer, and a fifth metal layer that are stacked, and the first ink layer is located on a side close to the second base;
  • the second base comprises a second ink layer, a fourth substrate layer, a sixth metal layer and a second feed layer which are stacked in sequence, and the second ink layer is located on a side close to the first ink layer;
  • the first ink layer is provided with a seventh metal layer on the periphery thereof; the second ink layer is provided with a seventh metal layer on the periphery thereof; There is an eighth metal layer; each second metal via penetrates the fifth metal layer, the third substrate layer, the seventh metal layer, the eighth metal layer, the fourth substrate layer, the sixth metal layer and the second feed layer.
  • the antenna device further includes a substrate, the substrate includes at least two antenna areas, and each antenna area respectively constitutes a first base and a second base in the corresponding antenna structure.
  • the present application provides an antenna device and a terminal device, wherein in the antenna device, an isolation zone is set in the antenna structure.
  • an isolation zone is set in the antenna structure.
  • FIG. 1 is a first schematic diagram of antenna structures in an antenna device provided in the present application.
  • FIG. 2 is a second schematic diagram of antenna structures in the antenna device provided in the present application.
  • FIG. 3 is a third schematic diagram of antenna structures in the antenna device provided in the present application.
  • FIG. 4 is a fourth schematic diagram of antenna structures in the antenna device provided in the present application.
  • FIG. 5 is a schematic diagram of a first structure of the first antenna structure in the antenna device provided in the present application.
  • FIG. 6 is a perspective view of a first antenna structure in the antenna device provided in the present application.
  • FIG. 7 is a schematic diagram of the structure of a first metal via and a second metal via in a first antenna structure in an antenna device provided in the present application.
  • FIG. 8 is a schematic diagram of a microstrip feed line of a first structure of a first antenna structure in the antenna device provided in the present application.
  • FIG. 9 is a schematic diagram of a second structure of the first antenna structure in the antenna device provided in the present application.
  • FIG. 10 is a schematic diagram of a microstrip feed line of a second structure of the first antenna structure in the antenna device provided in the present application.
  • FIG. 11 is a schematic diagram of the structure of the antenna device provided in the present application.
  • FIG. 12 is a standing wave ratio curve diagram of the antenna device provided in the present application.
  • FIG. 13 is an S-curve diagram of the antenna device provided in the present application.
  • the purpose of the present application is to provide an antenna device and a terminal device, wherein the isolation between antenna structures can be effectively improved by setting an isolation area in the antenna structure in the antenna device, thereby ensuring the overall performance of the antenna device.
  • the present application provides an antenna device, including a first antenna structure 11 and a second antenna structure 12.
  • the first antenna structure 11 includes a first radiation area 111 and a first isolation area 112 connected to the first radiation area 111.
  • the second antenna structure 12 is spaced apart from the first antenna structure 11; wherein the first isolation area 112 is located between the first radiation area 111 and the second antenna structure 12, and is used to isolate the wireless signal radiated by the first radiation area 111 and the wireless signal radiated by the second antenna structure 12.
  • an isolation zone is set in the antenna structure.
  • the wireless signal radiated by the first radiation zone 111 and the wireless signal radiated by the adjacent antenna structure can be isolated by the isolation zone set in one of the antenna structures, thereby improving the isolation between the antenna structures.
  • the second antenna structure 12 includes a second radiation area 121 and a second isolation area 122; wherein the second isolation area 122 is connected to the second radiation area 121; the second isolation area 122 is located between the second radiation area 121 and the first isolation area 112, and is used to isolate the antenna signal radiated by the first radiation area 111 from the antenna signal radiated by the second radiation area 121.
  • an isolation area can also be provided on the second antenna structure 12 to form a second isolation area.
  • the first radiation area 111 and the second radiation area 121 are isolated from each other by the first isolation area 112 and the second isolation area 122, thereby improving the isolation between the first structure and the second antenna structure 12.
  • the isolation zones can be used to weaken the beam gain in relative directions, so that the ability of the two antennas to send and receive corresponding signals to each other is weakened, thereby improving the isolation between the transmitting and receiving antennas.
  • the antenna device may further include a third antenna structure 13.
  • the first antenna structure 11 is located between the second antenna structure 12 and the third antenna structure 13.
  • the first antenna structure 11 may further be provided with a third isolation region 113.
  • the third isolation region 113 is connected to the first radiation region 111.
  • the third isolation region 113 and the first isolation region 112 are respectively located on opposite sides of the first radiation region 111.
  • the third isolation region 113 is located between the third antenna structure 13 and the first radiation region 111.
  • the third isolation region 113 can isolate the antenna signal radiated by the first radiation region 111 from the antenna signal radiated by the third antenna structure 13.
  • the antenna device also includes a fourth antenna structure 14, and the third antenna structure 13 is located between the fourth antenna structure 14 and the first antenna structure 11; similarly, the second antenna structure 12 also includes a fourth isolation region 123, the fourth isolation region 123 is connected to the second radiation region 121, and the fourth isolation region 123 and the second isolation region 122 are respectively located on opposite sides of the second radiation region 121, that is, the fourth isolation region 123 is located between the second radiation region 121 and the fourth antenna structure 14, and is used to isolate the antenna signal radiated by the fourth antenna structure 14 and the antenna signal radiated by the second radiation region 121.
  • one isolation zone or two isolation zones may be set in the antenna structure.
  • the specific setting may be based on the needs of the actual antenna device, and the present application does not limit this.
  • the first isolation region 112 includes a first base 100; a first patch portion 200, which is stacked on the first base 100; a first via group, which includes at least two rows of first metal vias 310 arranged at intervals; wherein each first metal via 310 in the first via group passes through the patch portion, and at least part of the first metal vias 310 in the first via group passes through the first base 100 and the first patch portion 200 at the same time; in this embodiment, the first metal vias 310 are arranged in rows to form an equivalent electrical wall, and the number of the first metal vias 310 can be adjusted according to actual needs, and then the number of equivalent electrical walls is adjusted to achieve different isolation effects.
  • the first metal vias 310 all pass through the first patch portion 200 and partly pass through the first base 100, which can effectively improve the reliability of the first base 100.
  • the first radiation zone 111 includes an antenna cavity, which includes a second base 500, a second patch portion 400 and a second via group arranged in a stacked manner; a first feeding hole 710 is arranged on the second base 500, and the first feeding hole 710 penetrates the second base 500 in the thickness direction of the base; a second feeding hole 720 is arranged on the second patch portion 400, one end of the second feeding hole 720 is connected to one end of the first feeding hole 710, and the other end of the second feeding hole 720 is located in the second patch portion 400; wherein, the second via group includes a plurality of second metal vias 610, and the plurality of second metal vias all penetrate the second base 500 and the second patch portion 400, and are located at the edges of the second base 500 and the second patch portion 400, and form three equivalent electrical walls around the first feeding hole 710 and the second feeding hole 720; wherein the three equivalent electrical walls surround a gap, and the gap serves as a radiation window, and the antenna signal is radiated outward through
  • a metal plate or a branch piece may be provided at the other end of the second feeding hole 720 located inside the patch portion, and has a function of tuning impedance together with the second feeding hole 720 .
  • the first patch portion 200 includes a first metal layer 210, a first substrate layer 220, and a second metal layer stacked in sequence; wherein the second metal layer is located on a side close to the first base 100; the second base 500 includes a third metal layer, a first substrate layer 120, a fourth metal layer 130, and a first feed layer 140 arranged in sequence; wherein the third metal layer is located on a side close to the second metal layer and is bonded to the second metal layer; in this embodiment
  • the first metal layer 210 and the second metal layer are both copper-plated layers on two opposite surfaces of the first substrate layer 220, and the first metal layer 210 and the second metal layer are electrically connected through the first metal via 310.
  • the first base 100 includes a third metal layer, a first substrate layer 120, a fourth metal layer 130 and a first feed layer 140 arranged in sequence; wherein the third metal layer is located on a side close to the second metal layer, and similarly, the third metal layer and the fourth metal layer 130 are copper-plated layers located on two opposite surfaces of the first substrate layer 120, respectively, so as to be electrically connected to the first metal via 310.
  • the second patch portion 400 includes a first ink layer 410, a third substrate layer 420, and a fifth metal layer 430, which are stacked, and the first ink layer 410 is located on a side close to the second base 500;
  • the second base 500 includes a second ink layer 510, a fourth substrate layer 520, a sixth metal layer 530, and a second feed layer 540, which are stacked in sequence, and the second ink layer 510 is located on a side close to the first ink layer 410 and is attached to the first ink layer 410;
  • the first ink layer 410 A seventh metal layer is arranged on the periphery; an eighth metal layer is arranged on the periphery of the second ink layer 510; each second metal via 610 penetrates the fifth metal layer 430, the third substrate layer 420, the seventh metal layer, the eighth metal layer, the fourth substrate layer 520, the sixth metal layer 530 and the second feeding layer 540;
  • the antenna cavity in this embodiment can be understood as a di
  • a microstrip feed line 800 is provided on one side of the second feed layer 540 away from the fourth substrate layer 520, and the microstrip feed line 800 is connected to the other end of the first feed hole 710.
  • An opening is provided around the connection between the microstrip feed and the first feed hole 710, and the size of the opening is determined by matching the input impedance value to form the feeding part in the antenna structure.
  • the first feed hole 710 and the second feed hole 720 are both metallized vias.
  • the first patch part 200 and the second patch part 400 in this embodiment are integrally arranged, and the first base 100 and the second base 500 are integrally arranged; that is, the first metal layer 210 and the fifth metal layer 430 are located on the same layer and are integrally formed with the fifth metal layer 430; the first substrate layer 220 and the third substrate layer 420 are located on the same layer and are integrally formed with the third substrate layer 420; the first substrate layer 120 and the fourth substrate layer 520 are located on the same layer and are integrally formed with the fourth substrate layer 520; the fourth metal layer 130 and the sixth metal layer 530 are located on the same layer and are integrally formed with the fourth substrate layer 520.
  • the second metal layer is formed integrally with the sixth metal layer 530; the second metal layer is located on the same layer as the seventh metal layer and is formed integrally with the seventh metal layer; the third metal layer is located on the same layer as the eighth metal layer and is formed integrally with the eighth metal layer.
  • the second metal layer and the third metal layer are located in the isolation area and are laminated to separate the first substrate layer 220 and the first substrate layer 120; the seventh metal layer and the eighth metal layer are laminated in the radiation area, the seventh metal layer is located on the same layer as the first ink layer 410 and is connected, and the eighth metal layer is located on the same layer as the second ink layer 510 and is connected, thereby separating the third substrate layer 420 and the fourth substrate layer 520 in the radiation area.
  • the first antenna structure 11 can have two isolation regions on both sides of the first radiation region 111.
  • the two isolation regions are respectively the first isolation region 112 and the second isolation region 122, and the structure of the first isolation region 112 is the same as that of the second isolation region 122.
  • the antenna device further includes a substrate 1 .
  • the substrate 1 includes at least two antenna regions. Each antenna region constitutes a first base 100 and a second base 500 in a corresponding antenna structure.
  • the substrate 1 in this embodiment may be a circuit board.
  • the first base 100 and the second base 500 are integrally arranged and embedded in the circuit board.
  • the first patch portion 200 and the second patch portion 400 are laminated and arranged on the circuit board to form an antenna structure with the first base 100 and the second base 500.
  • the antenna signals radiated between the two antenna structures can be isolated by arranging an isolation region in the antenna structure.
  • the antenna structure in the present application uses a metallized via and a metal layer on the surface of the substrate to form an antenna cavity, and is matched with a branch piece or a metal disk set at the other end of the second feeding hole 720 to obtain an ideal port impedance characteristic, as shown in Figure 12.
  • Figure 12 is a standing wave ratio curve of the antenna device in the present application. When the port impedance VSWR of the antenna device is less than 1.3 in the operating frequency band of 24GHz-24.15GHz.
  • FIG. 13 is an S-curve diagram of the antenna device in the present application.
  • the isolation between the two antenna structures can be as high as -39 dB.
  • the present application also provides a terminal device accordingly, and the terminal device includes the above-mentioned antenna device. Since the antenna device is described in detail above, it will not be repeated here.
  • the present application provides an antenna device and a terminal device, wherein the antenna device includes a first antenna structure, including a first radiation zone and a first isolation zone connected to the first radiation zone; a second antenna structure, which is spaced apart from the first antenna structure; wherein the first isolation zone is located between the first radiation zone and the second antenna structure, and is used to isolate the wireless signal radiated by the first radiation zone from the wireless signal radiated by the second antenna structure; in the present application, by setting an isolation zone in the antenna structure, when the two antenna structures are spaced apart, the wireless signal radiated by the first radiation zone and the wireless signal radiated by the adjacent antenna structure can be isolated by setting the isolation zone in one of the antenna structures, thereby improving the isolation between the antenna structures.

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  • Waveguide Aerials (AREA)

Abstract

La présente demande divulgue concerne un appareil d'antenne et un dispositif terminal. L'appareil d'antenne comprend : une première structure d'antenne, qui comprend une première zone de rayonnement et une première zone d'isolation reliée à la première zone de rayonnement ; et une seconde structure d'antenne, qui est disposée à distance de la première structure d'antenne, la première zone d'isolation étant située entre la première zone de rayonnement et la seconde structure d'antenne, et étant utilisée pour isoler un signal sans fil émis au moyen de la première zone de rayonnement à partir d'un signal sans fil émis au moyen de la seconde structure d'antenne.
PCT/CN2023/120935 2022-12-19 2023-09-25 Appareil d'antenne et dispositif terminal WO2024131176A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211633504.8A CN117117495A (zh) 2022-12-19 2022-12-19 一种天线装置和终端设备
CN202211633504.8 2022-12-19

Publications (1)

Publication Number Publication Date
WO2024131176A1 true WO2024131176A1 (fr) 2024-06-27

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ID=88807970

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Application Number Title Priority Date Filing Date
PCT/CN2023/120935 WO2024131176A1 (fr) 2022-12-19 2023-09-25 Appareil d'antenne et dispositif terminal

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CN (1) CN117117495A (fr)
WO (1) WO2024131176A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106450753A (zh) * 2016-09-12 2017-02-22 广东欧珀移动通信有限公司 天线结构以及移动终端
CN109742507A (zh) * 2018-12-29 2019-05-10 深圳Tcl新技术有限公司 一种智能电视机天线及智能电视机
WO2019190693A1 (fr) * 2018-03-28 2019-10-03 Intel IP Corporation Cartes d'antenne et dispositifs de communication
CN111262003A (zh) * 2020-01-22 2020-06-09 Oppo广东移动通信有限公司 天线封装模组和电子设备
CN112952340A (zh) * 2019-11-26 2021-06-11 华为技术有限公司 一种天线结构、带天线结构的电路板和通信设备
CN113948857A (zh) * 2020-07-15 2022-01-18 华为技术有限公司 一种电子设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106450753A (zh) * 2016-09-12 2017-02-22 广东欧珀移动通信有限公司 天线结构以及移动终端
WO2019190693A1 (fr) * 2018-03-28 2019-10-03 Intel IP Corporation Cartes d'antenne et dispositifs de communication
CN109742507A (zh) * 2018-12-29 2019-05-10 深圳Tcl新技术有限公司 一种智能电视机天线及智能电视机
CN112952340A (zh) * 2019-11-26 2021-06-11 华为技术有限公司 一种天线结构、带天线结构的电路板和通信设备
CN111262003A (zh) * 2020-01-22 2020-06-09 Oppo广东移动通信有限公司 天线封装模组和电子设备
CN113948857A (zh) * 2020-07-15 2022-01-18 华为技术有限公司 一种电子设备

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