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WO2022103159A1 - Module d'antenne et terminal de communication sans fil le comprenant - Google Patents

Module d'antenne et terminal de communication sans fil le comprenant Download PDF

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Publication number
WO2022103159A1
WO2022103159A1 PCT/KR2021/016364 KR2021016364W WO2022103159A1 WO 2022103159 A1 WO2022103159 A1 WO 2022103159A1 KR 2021016364 W KR2021016364 W KR 2021016364W WO 2022103159 A1 WO2022103159 A1 WO 2022103159A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
ground
antenna module
injection
wireless communication
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2021/016364
Other languages
English (en)
Korean (ko)
Inventor
박상용
오정한
손관우
김용호
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kespion Co Ltd
Original Assignee
EMW Co Ltd
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 EMW Co Ltd filed Critical EMW Co Ltd
Publication of WO2022103159A1 publication Critical patent/WO2022103159A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/25—Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems

Definitions

  • the present invention relates to an antenna module and a wireless communication terminal including the same, and more particularly, by forming an antenna radiator on one surface of a dielectric injection-molded plastic material constituting the antenna module and placing a metallic ground on the other surface of the injection-molded product, It relates to an antenna module capable of improving production efficiency by shortening the time required to form a ground, and a wireless communication terminal including the same.
  • a wireless communication terminal must include an antenna.
  • Existing external antennas spoil the appearance and cause inconvenience to users. Recently, technology development related to internal antennas has been actively carried out.
  • Such an antenna is implemented by forming a radiation circuit pattern on one (Top) side of the injection-molded material and forming a ground pattern on the other (bottom) surface using a plating method after etching the injection-molded material.
  • the ground pattern area compared to the radiation circuit pattern area Since it is a large area, the process of etching and plating the ground pattern takes a long time, so there is a problem in that the process tact-time increases.
  • Patent Document 1 Korean Patent Publication No. 10-1595026 (2016.02.11)
  • the present invention forms an antenna radiator on one surface of a plastic-based dielectric injection-molded material constituting an antenna module, and forms a ground by placing a metallic ground on the other surface of the injection-molded product.
  • an antenna module capable of improving production efficiency by shortening the time required to do so, and a wireless communication terminal including the same.
  • an antenna module disposed in a wireless communication terminal to transmit/receive signals, comprising: an antenna formed on one surface of an injection-molded product; and a metal ground provided on the other surface of the injection-molded product, to provide an antenna module.
  • An end of the ground may include an extension extending outwardly, and the extension may be fixed to a fixing unit formed inside the wireless communication terminal.
  • the antenna may be formed by patterning the injection-molded product using a laser and then plating.
  • the antenna may be formed by a Molded Interconnection Device (MID) method.
  • MID Molded Interconnection Device
  • the antenna may be an Ultra Wide Band (UWB) antenna.
  • UWB Ultra Wide Band
  • the antenna and the ground may be electrically connected.
  • the antenna and the ground may be coupled and connected by a gap formed by the injection-molded product.
  • the extension part may be formed in plurality, and the extension part and the fixing part may be coupled by a fixing means.
  • the ground may include Cu.
  • An application processor may be provided on one surface of the substrate, and the ground may be fixed to be in close contact with the AP.
  • the wireless communication terminal includes a metal case forming an outer shape, the fixing part is formed in the metal case, the extension part is formed in plurality, and at least one of the extension parts mediates the fixing part to be connected to the case made of a metal material.
  • It may further include a fixing part formed on the case made of a metal, and a plurality of extension parts protruding outwardly and extending are formed at the end of the ground, and at least one of the extension parts may be fixed to the fixing part.
  • An application processor may be provided on one surface of the substrate, the ground may be fixed to be in close contact with the AP, and at least one of the extension portions may be connected to the metal case through the fixing portion as a medium.
  • the time required to form the ground is shortened, resulting in production efficiency has the effect of improving
  • the ground is made of a metallic material, the directivity of the antenna radiator is improved and signal noise is shielded, thereby improving the performance of the antenna.
  • FIG 1 and 2 are reference diagrams for explaining an antenna module according to an embodiment of the present invention.
  • FIG. 3 is a reference diagram for explaining a modified example of the antenna module according to an embodiment of the present invention.
  • FIGS. 1 and 2 are reference views for explaining an antenna module according to an embodiment of the present invention.
  • the antenna module according to this embodiment is disposed in a wireless communication terminal to transmit/receive signals receive
  • the antenna module according to the present embodiment may include the antenna 100 and the ground 200 .
  • the antenna 100 may be formed on one surface of the injection-molded product 50 .
  • the injection molding 50 may be formed of an insulating material by injection molding.
  • the injection molding 50 may be formed of a synthetic resin material such as polyester resin or polycarbonate (PC) in order to maintain weather resistance, impact resistance, and mechanical strength.
  • the injection-molded product 50 may be a carrier of the antenna 100 , but the material and type of the injection-molded product 50 are not limited thereto.
  • the antenna 100 may be formed on one surface of the injection-molded product 50 .
  • “one surface” may be the “top surface” of the injection-molded product 50 in the drawing.
  • the antenna 100 is used for transmission and reception of a signal (eg, a wireless communication signal) and is a configuration that is fed by a PCB and radiates a signal into space, and is formed on one surface of the injection product 50 to transmit/receive a wireless signal.
  • a signal eg, a wireless communication signal
  • the antenna 100 may be patterned on one surface of the injection product 50 using a laser and then formed by plating or printing, or may be formed by a Laser Direct Structure (LDS) method.
  • LDS Laser Direct Structure
  • a structure is formed with a material containing a non-conductive and chemically stable heavy metal complex, and a part of the structure is exposed to lasers such as UV (Ultra Violet) laser and Excimer laser to break up the chemical bond of the structure.
  • UV Ultra Violet
  • Excimer laser to break up the chemical bond of the structure.
  • After exposing the metal seed it refers to a method of forming a conductive material on the laser exposed portion of the structure by metalizing the structure.
  • the antenna 100 may be formed by a Molded Interconnect Device (MID) method.
  • MID Molded Interconnect Device
  • MID (Mold Interconnection Device) method is a three-dimensional circuit component that forms a conductive circuit on a predetermined member such as a plastic molded product, and has a mechanical function or an electrical function by utilizing the free three-dimensionality.
  • the pattern is etched by a laser, thereby increasing the degree of freedom in pattern formation, thereby enabling the implementation of complex patterns.
  • a plurality of antennas 100 may be formed to be spaced apart from each other in the injection molding 50 to improve transmission/reception performance of radio signals, and a slot 120 in which a part is trimmed may be formed. .
  • the antenna 100 may be a patch type antenna 100 or an ultra wide band (UWB) antenna 100 .
  • UWB ultra wide band
  • the antenna 100 may be electrically connected to the conductive line 110 formed on one surface of the injection-molded product 50 .
  • the conductive line 110 may be formed to be bent in connection with the antenna 100 , and when the antenna 100 is formed in plurality, the conductive line 110 may also correspond to the number of antennas 100 . It may be formed in plurality.
  • the conductive line 110 may be formed by an LDS or MID method, and may be formed in the same process as the pattern forming process of the antenna 100 .
  • the ground 200 may be provided on the other surface of the injection-molded product 50 .
  • the ground 200 may be electrically connected to the antenna 100 formed on one surface of the injection-molded product 50 , and the ground 200 and the antenna 100 may be electrically connected to each other by a via hole.
  • the electrical connection method between the ground 200 and the antenna 100 is not limited thereto, and may be formed by various methods such as a connector structure.
  • the ground 200 and the antenna 100 may be coupled and connected by a gap between the antenna and the injection-molded product 50 .
  • the antenna 100 and the ground 200 are spaced apart from each other by the thickness of the injection-molded product 50 and Since 50 is formed of a dielectric material, the antenna 100 and the ground 200 are coupled and connected by this gap structure.
  • the antenna 100 is formed on one surface of the injection-molded product 50 and the ground 200 is provided on the other surface of the injection-molded product 50 . It is formed on the other surface and it is also possible that the ground 200 is formed on one surface of the injection-molded product 50 .
  • the ground 200 may be formed of a conductive metal material.
  • the ground may include Cu (copper).
  • the ground 200 is not limited thereto, and may be formed of various materials such as SUS, Al (aluminum), and clad metal.
  • the ground 200 included in the antenna module according to the present embodiment may be formed by providing a plate-shaped metal member or a metal sheet on the other surface of the injection-molded product 50 , unlike the prior art.
  • the ground 200 may be provided by applying an adhesive material such as a pressure-sensitive adhesive or an adhesive sheet to the other surface of the injection-molded product 50 to adhere it, or may be provided for a method such as welding. It is possible.
  • the ground 200 formed on the other surface of the injection-molded product 50 is formed by providing a separate metal member rather than a plating method after etching the conventional injection-molded product 50, thereby forming a large-area ground 200 region. It has the effect of reducing the process tact time by eliminating the etching and plating process.
  • the antenna 100 and the ground 200 are on one surface of the injection-molded product 50 with the antenna 100 and the ground 200 interposed therebetween, and the ground 200 is on the other surface of the injection-molded product 50 . They are formed to be spaced apart from each other, and the directionality of the signal radiated from the antenna 100 is improved. Specifically, when a wireless signal is transmitted by the antenna module, a part of the signal radiated from the antenna 100 may be radiated toward the injection-molded product 50, and the injection-molded product ( The signal radiated in the direction of 50) is reflected and radiated toward one surface of the injection-molded product 50 again. As described above, the directivity of the radio signal is improved by the reflection of the radiated signal by the ground 200, thereby improving the radiation efficiency.
  • the present embodiment by absorbing signal noise generated by the antenna 100 by the ground 200 made of a metal material, an eddy current caused by a metal structure (eg, a chipset) inside the wireless communication device By reducing , the radiation performance of the antenna 100 may be improved.
  • a metal structure eg, a chipset
  • an extension portion 210 that protrudes outwardly and extends may be formed at an end of the ground 200 , and the extension portion 210 may be fixed to the fixing portion 15 inside the wireless communication terminal.
  • the fixing part 15 may be formed to protrude from the inner wall of the case 10 to be described later, and may be formed integrally with the case 10 .
  • FIG. 3 is a modified example of the antenna module according to an embodiment of the present invention, and is a cross-sectional view taken along the III-III direction of FIG. 1 in a state in which the antenna module according to the embodiment of the present invention is provided in a wireless communication terminal.
  • the wireless communication terminal according to the present embodiment may include a case 10 and a substrate 20, and the case 10 forms an external shape of the wireless communication terminal, and electronic components such as a substrate 20 and a battery therein. It is possible to form an internal space provided with this.
  • the extension 210 may be formed to protrude to have a predetermined area, and be formed to extend downwardly in the direction of the other surface of the injection-molded product 50 .
  • the bent height of the extension part 210 may be formed to correspond to the height of the AP 30 mounted on the substrate 20 to be described later.
  • the extension part 210 may be formed in plurality, and may be coupled to the fixing part 15 of the case 10 by the fixing means 250 .
  • a hollow fixing hole 215 is formed in a part of the extension part 210 and a fixing groove (not shown) corresponding to the fixing hole 215 is formed on one surface of the fixing part 15 , and a bolt or the like is formed.
  • the extension part 210 is fixed to the fixing part 15 by the fixing means 250 passing through the fixing hole 215 and being screwed into the fixing groove (not shown).
  • the extension 210 of the ground 200 may be fixed inside the wireless communication terminal by soldering instead of the fixing means 250 .
  • an application processor (AP) 30 is provided on one surface of the substrate 20 , and the ground 200 may be fixed to one surface of the substrate 20 so as to be in close contact with the AP 30 .
  • AP 30 is CPU (Operation Processing Unit), Modem, GPU (Graphic Processing Unit), Memory (RAM), VPU (Video Processing Unit), DSP (Digital Signal Processor), ISP (Image Signal Processor) It may mean various chipsets including the like.
  • the AP 30 is mounted and fixed on the substrate 20 , but in some cases, the AP 30 is not properly fixed or the AP 30 is separated from the substrate 20 due to an external impact. can occur In this embodiment, the AP 30 is firmly fixed to the substrate 20 by the extension 210 so that the ground 200 is in close contact with the AP 30 so that the AP 30 is firmly attached to the substrate 20 by an external impact. ) can be avoided.
  • the AP 30 included in the wireless communication terminal is a core component of the wireless communication terminal, and heat may be generated during the calculation process.
  • the metallic ground 200 included in the antenna module is the AP 30 . ), so that heat generated in the AP 30 is conducted and spread to the large-area ground 200 region to dissipate heat generated in the AP 30 .
  • the extension 210 may be provided to contact the case 10 made of a metal material. That is, the extended part 210 is fixed to the fixing part 15 integrally formed with the case 10 so that the extended part 210 is connected to the metal case 10 through the fixing part 15 .
  • some heat passes through the extension part 210 and the fixing part 15 and passes through the metal case 10 while the heat generated by the AP 30 is conducted and diffused by the ground 200 . It is possible to improve the heat dissipation effect by the ground 200 by being discharged to the outside through the.
  • a wireless communication terminal may include a case 10 , a substrate 20 , and an antenna module.
  • the case 10 forms an internal space and is made of a metal material, the substrate 20 is located in the internal space of the case 10 , and the antenna module can be fixed to one surface of the substrate 20 . there is.
  • the antenna module of this embodiment is the same as the antenna module according to the previous embodiment, a detailed description will be replaced with that of the previous embodiment.
  • the present invention can improve production efficiency by shortening the time required to form the ground by forming an antenna on one surface of the plastic-based dielectric injection molding constituting the antenna module and arranging a metal ground on the other surface of the injection molding product. can have an effect.
  • the ground is made of a metal material, the radiation directivity of the antenna is improved and signal noise is shielded, thereby improving the performance of the antenna.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)

Abstract

La présente invention porte sur un module d'antenne et sur un terminal de communication sans fil le comprenant. Plus précisément, la présente invention concerne un module d'antenne dans lequel le temps nécessaire pour former le sol est réduit pour améliorer l'efficacité de production en formant un radiateur d'antenne sur une surface d'un moulage par injection diélectrique en plastique constituant le module d'antenne et en plaçant un sol métallique sur l'autre surface du moulage par injection ; et un terminal de communication sans fil le comprenant.
PCT/KR2021/016364 2020-11-13 2021-11-10 Module d'antenne et terminal de communication sans fil le comprenant Ceased WO2022103159A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200152348A KR102220020B1 (ko) 2020-11-13 2020-11-13 안테나 모듈 및 이를 포함하는 무선 통신 단말기
KR10-2020-0152348 2020-11-13

Publications (1)

Publication Number Publication Date
WO2022103159A1 true WO2022103159A1 (fr) 2022-05-19

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ID=74730993

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Application Number Title Priority Date Filing Date
PCT/KR2021/016364 Ceased WO2022103159A1 (fr) 2020-11-13 2021-11-10 Module d'antenne et terminal de communication sans fil le comprenant

Country Status (2)

Country Link
KR (2) KR102220020B1 (fr)
WO (1) WO2022103159A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2635577A (en) * 2023-11-15 2025-05-21 Jaguar Land Rover Ltd Fragrance cartridge

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102220020B1 (ko) * 2020-11-13 2021-02-25 주식회사 이엠따블유 안테나 모듈 및 이를 포함하는 무선 통신 단말기
KR20220138236A (ko) * 2021-04-05 2022-10-12 삼성전자주식회사 안테나 모듈 및 이를 포함하는 전자 장치
KR102332611B1 (ko) * 2021-05-06 2021-12-01 주식회사 이엠따블유 안테나 모듈 및 이를 포함하는 무선 통신 디바이스
EP4391227A4 (fr) 2021-09-30 2025-01-08 Samsung Electronics Co., Ltd. Dispositif électronique comprenant une antenne
WO2023075121A1 (fr) * 2021-10-26 2023-05-04 삼성전자주식회사 Carte de circuit imprimé comprenant des antennes fonctionnant dans différentes bandes de fréquence, et dispositif électronique la comprenant
EP4583311A4 (fr) * 2022-10-06 2025-12-24 Samsung Electronics Co Ltd Structure d'antenne et dispositif électronique la comprenant

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KR20160120668A (ko) * 2015-04-08 2016-10-18 모토로라 모빌리티 엘엘씨 단일 피스 금속 하우징을 갖는 초박형 디바이스에서의 안테나 연결
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KR102220020B1 (ko) * 2020-11-13 2021-02-25 주식회사 이엠따블유 안테나 모듈 및 이를 포함하는 무선 통신 단말기

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KR20130029920A (ko) * 2011-09-16 2013-03-26 주식회사 이엠따블유 안테나 장치
KR20150069795A (ko) * 2013-12-16 2015-06-24 삼성전자주식회사 안테나 장치 및 그것을 갖는 통신 장치
KR20160120668A (ko) * 2015-04-08 2016-10-18 모토로라 모빌리티 엘엘씨 단일 피스 금속 하우징을 갖는 초박형 디바이스에서의 안테나 연결
KR101857388B1 (ko) * 2017-04-07 2018-05-14 홍익대학교 산학협력단 이중 대역에서 동작하는 고이득 안테나 장치
KR102220020B1 (ko) * 2020-11-13 2021-02-25 주식회사 이엠따블유 안테나 모듈 및 이를 포함하는 무선 통신 단말기

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Publication number Priority date Publication date Assignee Title
GB2635577A (en) * 2023-11-15 2025-05-21 Jaguar Land Rover Ltd Fragrance cartridge

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Publication number Publication date
KR20220065639A (ko) 2022-05-20
KR102220020B1 (ko) 2021-02-25

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