WO2019134497A1 - Module d'antenne de terminal mobile - Google Patents

Module d'antenne de terminal mobile Download PDF

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Publication number
WO2019134497A1
WO2019134497A1 PCT/CN2018/121484 CN2018121484W WO2019134497A1 WO 2019134497 A1 WO2019134497 A1 WO 2019134497A1 CN 2018121484 W CN2018121484 W CN 2018121484W WO 2019134497 A1 WO2019134497 A1 WO 2019134497A1
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WO
WIPO (PCT)
Prior art keywords
frequency antenna
antenna
high frequency
mobile terminal
signal
Prior art date
Application number
PCT/CN2018/121484
Other languages
English (en)
Chinese (zh)
Inventor
盘龙
李立忠
胡沥
Original Assignee
上海安费诺永亿通讯电子有限公司
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 上海安费诺永亿通讯电子有限公司 filed Critical 上海安费诺永亿通讯电子有限公司
Publication of WO2019134497A1 publication Critical patent/WO2019134497A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors

Definitions

  • the invention belongs to the field of mobile terminal antenna design, and particularly relates to a mobile terminal antenna module used in a 5G communication system.
  • the wireless spectrum is the most valuable resource for mobile communication systems.
  • the spectrum resources below 6 GHz are quite crowded, while the high transmission rate and high data density in 5G systems require more spectrum resources to provide support, while in the high frequency bands (such as the millimeter wave band) there is a very rich spectrum of unused. Resources can meet the high transmission rate requirements of 5G communication.
  • the high frequency band has the characteristics of high frequency and short wavelength, and even a short physical length will introduce considerable loss; when installing a high-band antenna on a mobile terminal, it is also necessary to take into account the existing low-band applications.
  • the area of antennas left in existing mobile terminals is decreasing, which poses a major challenge to the antenna and its overall design layout.
  • the technical problem to be solved by the present invention is to provide a mobile terminal antenna module capable of meeting the requirement of high transmission rate of 5G communication and reducing transmission loss of high frequency signals, and installing a high frequency band antenna on the mobile terminal. It can also take into account existing low-band applications.
  • a mobile terminal antenna module includes a substrate, a high frequency antenna disposed on the substrate, and a signal processing module;
  • the substrate includes a plurality of conductor layers and a plurality of dielectric layers covering an upper surface or a lower surface of the plurality of conductor layers;
  • the substrate is placed on a side edge of the mobile terminal, and is placed vertically or in parallel with a main board of the mobile terminal;
  • the outermost conductor layers on both sides of the substrate are a first conductor layer and a second conductor layer, respectively;
  • the high frequency antenna includes at least two high frequency antenna subunits arranged on the substrate;
  • the signal processing module corresponds to the high frequency antenna subunit
  • the high frequency antenna subunit includes a high frequency antenna radiator and a high frequency antenna reference ground corresponding to the high frequency antenna radiator;
  • the high frequency antenna radiator is disposed on the first conductor layer or simultaneously on other conductor layers;
  • the high frequency antenna is disposed on the second conductor layer or simultaneously on other conductor layers, and the conductor layer provided with the high frequency antenna reference ground is electrically connected through the first metallization via;
  • the high frequency antenna radiator is electrically connected to the signal processing module through at least one first feed line; the high frequency antenna radiator is electrically connected to the first feed line by direct connection or electromagnetic coupling connection;
  • a high frequency antenna disposed on the other conductor layer except the second conductor layer is electrically connected to the signal processing module through a second feed line;
  • the high frequency antenna subunit transmits the received signal to the signal processing module, and the signal processing module passes through the third feeding line and the third feeding line
  • the electrically connected signal transmission line transmits the processed high frequency antenna signal to the signal post-processing circuit; the mobile terminal transmits a signal opposite to the above-described signal transmission process.
  • the signal processing module is encapsulated on the upper portion of the first conductor layer or the bottom of the second conductor layer; or the interior of the substrate is hollowed out, and the signal processing module is encapsulated in the hollowed out Area.
  • the first feeding line and the signal processing module are electrically connected to the first signal island; the signal processing module and the third feeding line are electrically connected to the second signal island. ;
  • a first slit and a second slit are respectively disposed around the first signal island and the second signal island.
  • the signal processing module is electrically connected to the first signal island and the second signal island by any one of a bonding technique, a surface mount, and a solder ball array package.
  • the mobile terminal antenna module when the substrate is placed perpendicular to the main board of the mobile terminal, the mobile terminal antenna module further includes a low frequency antenna;
  • the low frequency antenna radiator of the low frequency antenna multiplexes the high frequency antenna reference ground while setting a plurality of metal structures to form a complete low frequency antenna radiator; the reference ground of the low frequency antenna is the main board ground of the mobile terminal.
  • the low frequency antenna operates at a frequency below 15 GHz.
  • the high frequency antenna operates at a frequency above 15 GHz and has a beam scanning function.
  • the substrate is any one of a flexible circuit board, a carrier board, a printed circuit board, a ceramic substrate, a glass substrate, a thermoplastic polymer substrate, a thermosetting polymer substrate, or a composite substrate. Its combination.
  • the high frequency antenna is in the form of a patch antenna, a slot antenna, a waveguide antenna, a mesh antenna, and a printed antenna.
  • the signal processing module comprises a microchip and a wafer semiconductor component.
  • the signal processing module has a size smaller than a size of the substrate.
  • a high-frequency band for example, a millimeter-wave band
  • a high-frequency band has a very rich spectrum resource that is not yet utilized, and can meet the demand for a high transmission rate of 5G communication.
  • the high frequency band has the characteristics of high frequency and short wavelength, and even if it is transmitted over a short physical length, a considerable loss is introduced, and the signal processing module is packaged on the upper part of the first conductor layer or the bottom of the second conductor layer; The inside of the substrate is hollowed out, and the signal processing module is packaged in the hollowed out area, which reduces the distance between the antenna and the signal processing module.
  • This design can greatly reduce the transmission loss of the high frequency signal and is more conducive to signal transmission.
  • the high frequency antenna has a beam scanning function.
  • the high-band antenna can be installed on the mobile terminal, and the existing low-band antenna application can also be taken into consideration; the low-frequency antenna radiator of the low-frequency antenna is multiplexed with the reference ground of the high-frequency antenna, and a plurality of metal structures are arranged at the same time.
  • the complete low-frequency antenna radiator saves the application space of the antenna.
  • the dielectric layer has the function of insulation and oxidation prevention, which can ensure the use effect of the antenna and prolong the life of the antenna.
  • a first slit and a second slit are respectively disposed around the first signal island and the second signal island, and the first signal island and the second signal island are separated from the high frequency antenna by reference.
  • the substrate is designed as a flexible substrate, which has bendable characteristics and can be bent into different shapes to meet the requirements of the installation space on the mobile terminal.
  • FIG. 1 is a schematic diagram of an overall structure of a mobile terminal antenna module (a patch antenna) according to the present invention
  • Figure 2 is a cross-sectional view taken along the line A in Figure 1;
  • Figure 3 is a rear elevational view of area B of Figure 1;
  • FIG. 4 is a schematic diagram of an internal transmission line of a mobile terminal antenna module according to the present invention.
  • Figure 5 is a cross-sectional view taken in the section C direction of Figure 1;
  • FIG. 6 is a diagram of a substrate of a mobile terminal antenna module according to the present invention as a combined circuit board (the substrate in the vertical direction and the substrate in the horizontal direction are different circuit boards);
  • Figure 7 is a view of another perspective of the substrate of Figure 6;
  • FIG. 8 is a schematic diagram of an overall structure of a mobile terminal antenna module (slot antenna) according to the present invention.
  • Figure 9 is a cross-sectional view taken along the line D in Figure 8.
  • FIG. 10 is a schematic structural diagram of a mobile terminal antenna module applied to a mobile terminal (having two parts of high frequency and low frequency).
  • 101 substrate; 11: high frequency antenna radiator; 12: signal processing module; 21: dielectric layer; 31: first conductor layer; 32: second conductor layer; 33: first signal island; 34: second signal island 35: first slit; 36: second slit; 37: first metallized via; 38: signal transmission line; 39: high frequency antenna reference ground; 40: first feed line; 41: second feed line 42: third feeder line; 61: mobile terminal board ground; 62: mobile terminal.
  • a mobile terminal antenna module according to the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will be apparent from the description and appended claims. It should be noted that the drawings are in a very simplified form and both use non-precise ratios, and are merely for convenience and clarity of the purpose of the embodiments of the present invention.
  • a mobile terminal antenna module includes a substrate 101, a high frequency antenna disposed on the substrate 101, and a signal processing module 12; wherein the substrate 101 includes a plurality of conductor layers and covers a plurality of dielectric layers 21 on the upper or lower surface of the plurality of conductor layers; the substrate 101 is placed on the side edge of the mobile terminal 62, placed vertically or parallel to the main board of the mobile terminal; the outermost conductor layers on both sides of the substrate 101 are the first conductors, respectively The layer 31 and the second conductor layer 32; the high frequency antenna includes at least two high frequency antenna subunits arranged on the substrate 101; the number of the signal processing modules 12 is the same as the number of the high frequency antenna subunits, and the signal processing module 12 Corresponding to the high frequency antenna subunit; the high frequency antenna subunit includes a high frequency antenna radiator 11 and a high frequency antenna reference ground 39 corresponding to the high frequency antenna radiator 11; the high frequency antenna radiator 11 is disposed on the
  • the radiator 11 is electrically connected to the first feeder line 40 by direct connection or electromagnetic coupling; the high frequency antenna reference ground 39 disposed on the conductor layer other than the second conductor layer 32 passes through the second feed line 41 is electrically connected to the signal processing module 12; referring to FIG. 4, when the mobile terminal 62 receives the high frequency signal, the high frequency antenna subunit transmits the received signal to the signal processing module 12, and the signal processing module 12 passes the third feeding line. 42 and a signal transmission line 38 electrically connected to the third feeder line 42 transmits the processed high frequency antenna signal to the signal post-processing circuit; the mobile terminal 62 transmits the signal in opposition to the signal transmission process.
  • the wireless spectrum is the most valuable resource of the mobile communication system, and the high transmission rate and high data density in the 5G system require more spectrum resources to provide support, and the high frequency antenna module can be used for the millimeter wave of the mobile terminal.
  • high frequency bands such as the millimeter wave band
  • the high frequency antenna has a beam scanning function by providing at least two sets of high frequency antenna subunits.
  • the dielectric layer 21 has an insulating and anti-oxidation function, which can ensure the use effect of the antenna and prolong the life of the antenna.
  • the high frequency band has the characteristics of high frequency and short wavelength, and even if it is transmitted over a short physical length, a considerable loss is introduced, and the signal processing module 12 is packaged on the upper portion of the first conductor layer 31 or the bottom of the second conductor layer 32. Or hollowing out the substrate 101, the signal processing module 12 is packaged in the hollowed out area, and the distance between the antenna and the signal processing module 12 is reduced. This design can greatly reduce the transmission loss of the high frequency signal, and Conducive to the transmission of signals.
  • the high frequency antenna subunit is any one of a patch antenna, a slot antenna, a waveguide antenna, a mesh antenna, and a printed antenna. 1 and 8, wherein FIG. 1 is a patch antenna, and FIG. 8 is a slot antenna.
  • the high frequency antenna operates at a frequency above 15 GHz and has a beam scanning function.
  • the above feeding line may be a metal via line commonly used in the art.
  • the first feeding line 40 and the signal processing module 12 are electrically connected to the first signal island 33; the signal processing module 12 and the third feeding line 42 are electrically connected to the second signal island. 34.
  • the first signal island 33 and the second signal island 34 are respectively provided with a first slit 35 and a second slit 36 around the first signal island 33 and the second signal island 34.
  • the first slit 35 and the second slit 36 are provided to be able to separate the first signal island 33, the second signal island 34 from the high frequency antenna reference ground 39.
  • the signal processing module 12 is electrically connected to the first signal island 33 and the second signal island 34 by any one of a bonding technique, a surface mount, and a solder ball array package.
  • the substrate 101 is any one of a flexible circuit board, a carrier-like board, a printed circuit board, a ceramic substrate 101, a glass substrate 101, a thermoplastic polymer material substrate 101, a thermosetting polymer material substrate 101, and a composite material substrate 101.
  • the substrate 101 may also be a combination of the above-mentioned circuit boards.
  • the substrate 101 is a flexible circuit board. It can be understood that the substrate 101 is designed as a flexible substrate 101 having bendable characteristics.
  • the mobile terminal antenna module when the substrate 101 is placed perpendicular to the main board of the mobile terminal, the mobile terminal antenna module further includes a low frequency antenna; wherein the low frequency antenna of the low frequency antenna is multiplexed with the high frequency antenna reference ground 39 At the same time, a plurality of metal structures are arranged to form a complete low-frequency antenna radiator; the reference ground of the low-frequency antenna is connected to the mobile terminal board 61.
  • the existing low frequency band application can also be taken into consideration, for example, existing 2G, 3G, 4G, LTE can be used. , WiFi, ISM and other communication systems. It is conceivable that as the area left by the antenna in the mobile terminal is decreasing, the antenna and its overall design layout will bring great challenges.
  • the low frequency antenna radiating body multiplexed high frequency antenna reference ground 39 of the low frequency antenna can save the antenna. Application space.

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  • Details Of Aerials (AREA)
  • Waveguide Aerials (AREA)

Abstract

L'invention concerne un module d'antenne de terminal mobile, comprenant un substrat, une antenne haute fréquence et des modules de traitement de signaux, le substrat comprenant plusieurs couches conductrices et plusieurs couches diélectriques ; l'antenne haute fréquence comprend des sous-unités d'antenne haute fréquence ; le nombre de modules de traitement de signaux est identique au nombre de sous-unités d'antenne haute fréquence ; chacune des sous-unités d'antenne haute fréquence comprend un élément rayonnant d'antenne haute fréquence et une masse de référence d'antenne haute fréquence ; les éléments rayonnants d'antenne haute fréquence sont disposés sur une première couche conductrice ou sont disposés simultanément sur les autres couches conductrices ; les masses de référence d'antenne haute fréquence sont disposées sur une seconde couche conductrice ou sont disposées simultanément sur les autres couches conductrices , et les couches conductrices sur lesquelles les masses de référence d'antenne haute fréquence sont agencées sont électriquement connectées au moyen de premiers trous d'interconnexion métallisés ; les éléments rayonnants d'antenne haute fréquence et les masses de référence d'antenne haute fréquence étant respectivement connectés électriquement aux modules de traitement de signaux au moyen de premiers circuits d'alimentation et de deuxièmes circuits d'alimentation ; et les modules de traitement de signaux transmettent, au moyen de troisièmes circuits d'alimentation et de lignes de transmission de signaux, des signaux d'antenne haute fréquence traités à un circuit de post-traitement de signaux.
PCT/CN2018/121484 2018-01-08 2018-12-17 Module d'antenne de terminal mobile WO2019134497A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810015354.1 2018-01-08
CN201810015354.1A CN108183319B (zh) 2018-01-08 2018-01-08 一种移动终端天线模组

Publications (1)

Publication Number Publication Date
WO2019134497A1 true WO2019134497A1 (fr) 2019-07-11

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Application Number Title Priority Date Filing Date
PCT/CN2018/121484 WO2019134497A1 (fr) 2018-01-08 2018-12-17 Module d'antenne de terminal mobile

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CN (1) CN108183319B (fr)
WO (1) WO2019134497A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108183319B (zh) * 2018-01-08 2019-05-24 上海安费诺永亿通讯电子有限公司 一种移动终端天线模组
WO2019137159A1 (fr) * 2018-01-10 2019-07-18 上海安费诺永亿通讯电子有限公司 Antenne de terminal mobile et son réseau d'alimentation
CN109167165A (zh) * 2018-09-10 2019-01-08 苏州迅联佰丰智能科技有限公司 一种基于5g通信的信息处理装置
US11056800B2 (en) * 2018-10-16 2021-07-06 Google Llc Antenna arrays integrated into an electromagnetic transparent metallic surface
CN109786934B (zh) * 2018-12-29 2021-08-17 瑞声科技（南京）有限公司 封装天线系统及移动终端
CN109586004A (zh) * 2018-12-29 2019-04-05 瑞声科技（南京）有限公司 一种封装天线模组及电子设备
CN109888462A (zh) * 2019-03-07 2019-06-14 昆山联滔电子有限公司 一种毫米波天线装置和电子设备
CN112542686B (zh) * 2019-09-23 2024-03-26 北京小米移动软件有限公司 天线组件及终端设备
CN113540768B (zh) * 2020-04-20 2024-04-05 成都恪赛科技有限公司 一种应用于微波系统的连接结构
CN111509380A (zh) * 2020-04-22 2020-08-07 京东方科技集团股份有限公司 天线及制备方法、天线阵列、电子设备
CN115036675B (zh) * 2021-03-04 2023-03-21 Oppo广东移动通信有限公司 终端配件及移动终端
CN113437505A (zh) * 2021-06-24 2021-09-24 维沃移动通信有限公司 多层天线结构及电子设备

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US20140145883A1 (en) * 2012-11-26 2014-05-29 International Business Machines Corporation Millimeter-wave radio frequency integrated circuit packages with integrated antennas
WO2014097846A1 (fr) * 2012-12-20 2014-06-26 株式会社村田製作所 Antenne multibande
CN104037497A (zh) * 2014-05-13 2014-09-10 安徽华东光电技术研究所 Ku波段收发共口径多层印制天线
CN108183319A (zh) * 2018-01-08 2018-06-19 上海安费诺永亿通讯电子有限公司 一种移动终端天线模组

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140145883A1 (en) * 2012-11-26 2014-05-29 International Business Machines Corporation Millimeter-wave radio frequency integrated circuit packages with integrated antennas
WO2014097846A1 (fr) * 2012-12-20 2014-06-26 株式会社村田製作所 Antenne multibande
CN104037497A (zh) * 2014-05-13 2014-09-10 安徽华东光电技术研究所 Ku波段收发共口径多层印制天线
CN108183319A (zh) * 2018-01-08 2018-06-19 上海安费诺永亿通讯电子有限公司 一种移动终端天线模组

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CN108183319B (zh) 2019-05-24
CN108183319A (zh) 2018-06-19

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