WO2018026126A1 - Structure d'antenne, boîtier d'antenne et dispositif électronique le comprenant - Google Patents

Structure d'antenne, boîtier d'antenne et dispositif électronique le comprenant Download PDF

Info

Publication number
WO2018026126A1
WO2018026126A1 PCT/KR2017/007875 KR2017007875W WO2018026126A1 WO 2018026126 A1 WO2018026126 A1 WO 2018026126A1 KR 2017007875 W KR2017007875 W KR 2017007875W WO 2018026126 A1 WO2018026126 A1 WO 2018026126A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
recognition range
chip antenna
line pattern
conductive line
Prior art date
Application number
PCT/KR2017/007875
Other languages
English (en)
Korean (ko)
Inventor
나혁휘
황호석
김영석
박성범
안상훈
김선호
Original Assignee
주식회사 아이티엠반도체
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 주식회사 아이티엠반도체 filed Critical 주식회사 아이티엠반도체
Publication of WO2018026126A1 publication Critical patent/WO2018026126A1/fr

Links

Images

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
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • 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
    • 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
    • H01Q1/2283—Supports; Mounting means by structural association with other equipment or articles mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material

Definitions

  • the present invention relates to an antenna structure, an antenna package, and an electronic device having the same, and more particularly, to an antenna structure, an antenna package, and an electronic device having the same using a chip antenna.
  • NFC Near Field Communication
  • NFC Near Field Communication
  • NFC Near Field Communication
  • NFC Near Field Communication
  • the present invention has been made to solve various problems including the above problems, and an object of the present invention is to provide an antenna structure, an antenna package, and an electronic device having the same, which can improve the recognition range of NFC.
  • problems are exemplary, and the scope of the present invention is not limited thereby.
  • the antenna structure may include a chip antenna having an antenna coil wound around at least a portion of the core; And a recognition range increaser disposed to be spaced apart from the chip antenna, wherein the recognition range increaser includes a conductive line pattern at least partially overlapping the chip antenna, and overlapping the chip antenna.
  • the direction in which the conductive line pattern extends in the region and the winding direction of the antenna coil are parallel to each other.
  • the recognition range increase unit is not controlled by a separate element and may be grounded.
  • the recognition range increasing unit may further include a matching device electrically connected to the conductive line pattern.
  • the matching element may include a matching capacitor.
  • the recognition range increasing part may further include an external conductive structure electrically connected to the conductive line pattern.
  • the outer conductive structure may include a metal rear case of the smartphone.
  • the antenna package may include a chip antenna having an antenna coil wound around at least a portion of the core; And a recognition range increaser including conductive line patterns and matching elements spaced apart from each other without being connected to the chip antenna, the package comprising: first terminals spaced apart from each other; A second terminal electrically spaced from the first terminals; The chip antenna mounted at both ends on the first terminals; The matching element mounted on the second terminal; And an encapsulation member configured to expose the terminals to the outside while sealing the chip antenna and the matching element.
  • the electronic device may include a main set board; A chip antenna mounted on the main set board, the antenna coil wound around at least a part of the core; And a recognition range increase unit disposed on the main set board and spaced apart from each other without being connected to the chip antenna.
  • the recognition range increase unit may not be controlled by a separate element and may be grounded.
  • the recognition range increaser may further include a matching element electrically connected to the conductive line pattern.
  • the recognition range increaser may further include an external conductive structure electrically connected to the conductive line pattern and disposed outside the main set board.
  • the external conductive structure may include a metal case of the electronic device.
  • FIG. 1 is a diagram schematically illustrating the configuration of an antenna structure according to an embodiment of the present invention.
  • FIG. 2 is a diagram schematically illustrating a configuration of an electronic device according to another embodiment of the present disclosure.
  • FIG. 3 is a diagram schematically illustrating a configuration of an antenna package according to another embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a configuration of a comparative example and an embodiment of the present invention in an antenna structure.
  • FIG. 1 is a diagram schematically illustrating the configuration of an antenna structure according to an embodiment of the present invention.
  • an antenna structure 100 includes a chip antenna 20 and a recognition range increasing unit 50.
  • the chip antenna 20 includes a core 22 and an antenna coil 24 wound around at least a portion of the core 22.
  • the core 22 may be made of, for example, nickel ferrite material.
  • the antenna coil 24 may have various winding structures to implement an inductor that may resonate in a specific frequency band.
  • the antenna coil 24 may be disposed to surround the side surface of the core 22, and in this case, the direction of the induced magnetic field generated by interlocking may be perpendicular to the winding direction.
  • the winding wire structure disclosed in the antenna coil 24 has been described as a winding structure in which a coil is wound around the core 22.
  • the antenna structure according to the technical spirit of the present invention is limited to the winding structure.
  • the winding structure may be implemented by, for example, patterning a conductive material on the side of the core 22.
  • the recognition range increasing unit 50 is introduced to improve the recognition range due to the small size of the chip antenna 20. That is, the recognition range increasing unit 50 increases the induction constant K to improve the recognition range and performance.
  • the recognition range increasing unit 50 is spaced apart from the chip antenna 20, and at least a portion thereof overlaps the chip antenna 20.
  • the meaning of overlapping has an overlapping area spaced up and down on a specific cross section.
  • the recognition range increasing unit 50 is spaced apart from the chip antenna 20.
  • the chip antenna 20 does not have a portion in physical contact with the recognition range increasing unit 50. That is, the recognition range increasing unit 50 is not directly connected to the chip antenna 20 via the conductive member.
  • the recognition range increasing unit 50 and the chip antenna 20 do not need an electrical connection, and induce the increase of the recognition range and the recognition distance by inducing a magnetic field according to the current flow.
  • the recognition range increasing unit 50 is not controlled by a separate element, and may be connected to the ground terminal GND and grounded.
  • the recognition range increasing unit 50 includes a conductive line pattern 52, and at least a portion of the conductive line pattern 52 may overlap the chip antenna 20. Further, the direction in which the conductive line pattern 52 extends in the region overlapping the chip antenna 20 and the winding direction of the antenna coil 24 are parallel to each other. On the other hand, in the expanded embodiment, the vector in the direction in which the antenna coil 24 is wound in the region where the conductive line pattern 52 and the chip antenna 20 overlap with each other indicates a component in the direction in which the conductive line pattern 52 extends. It can have a nonzero value.
  • the recognition range increasing unit 50 may further include a matching device 55 electrically connected to the conductive line pattern 52.
  • the matching element 55 may include, for example, a matching capacitor.
  • At least a portion of the conductive line pattern 52 may be configured to extend in parallel with the winding direction of the chip antenna 20, and both ends of the conductive line pattern 52 may be connected to the matching element 55 for matching.
  • the matching element 55 is not connected to the passive element 45 connected to the chip antenna 20, but if necessary, the matching element 55 and the passive element 45 may be connected to each other.
  • the recognition range increasing unit 50 may further include an external conductive structure 53 electrically connected to the conductive line pattern 52.
  • the external conductive structure 53 may include a metal case constituting a device such as a smartphone or a smart pad.
  • the recognition range of the antenna 20 may be further extended by introducing the external conductive structure 53.
  • FIG. 2 is a diagram schematically illustrating a configuration of an electronic device according to another embodiment of the present disclosure.
  • the electronic device 200 is an electronic device that may include a chip antenna 20.
  • a mobile phone a tablet PC, a smartphone, a smart pad, and a smart device may be provided. It may include a watch, smart glasses, and the like.
  • the electronic device 200 includes a main set board 40 (main SET-Board); The above-described chip antenna 20 mounted on the main set board 40; And a recognition range increaser 50 disposed on the main set board 40 and spaced apart from the chip antenna 20 without being connected to the chip antenna 20.
  • the main set board 40 is an electronic component provided to generate, process, and / or transmit an electrical signal for performing various functions to be implemented in the electronic device 200.
  • the main set board 40 may include a printed circuit board.
  • the conductive line pattern 52 constituting the recognition range increasing unit 50 is connected to the ground terminals 12 and GND of the main set board 40 and grounded.
  • the conductive line pattern 52 may be a conductive pattern introduced to improve the recognition range of the chip antenna 20 without being controlled by a separate element on the main set board 40.
  • the conductive line pattern 52 may be a loop pattern formed by utilizing the pattern of the main set board 40.
  • the recognition range increasing unit 50 may further include an external conductive structure 53 electrically connected to the conductive line pattern 52 and disposed outside the main set board 40.
  • the outer conductive structure 53 may include a metal back case of the smartphone.
  • the recognition range increasing unit 50 may further include a matching element electrically connected to the conductive line pattern 52 and disposed on the main set board 40.
  • the conductive line pattern 52 extends in a direction parallel to the winding direction of the antenna coil 24 at the center of the chip antenna 20, and corresponds to the inductance value of the conductive line pattern 52 and / or the external conductive structure 53.
  • the conductive line pattern 52 and / or the external conductive structure 53 may be utilized as the NFC antenna.
  • the conductive line pattern 52 may be directly connected to the external conductive structure 53 to form a loop, or may be connected to the conductor through the ground terminal of the main set board 40.
  • the configuration in which the recognition range increasing unit 50 and the chip antenna 20 are disposed on the main set board 40 of the electronic device 200 is disclosed, but other configurations may be provided.
  • the chip antenna 20 and the recognition range increasing unit 50 may be disposed in a battery pack of the electronic device 200 and disposed in a module that may be additionally coupled to the electronic device 200. May be
  • FIG. 3 is a diagram schematically illustrating a configuration of an antenna package 30 according to another embodiment of the present invention.
  • Figure 3 (a) is a perspective view of the antenna package 30, (b) is a rear view of the antenna package 30, (c) is a diagram illustrating the internal configuration of the antenna package 30 excluding the encapsulant 35 Perspective view.
  • the antenna package 30 is a package for implementing a part of an antenna system including the above-described chip antenna 20 and the recognition range increasing unit 50, and spaced apart from each other.
  • the first terminals 33a on which the chip antenna 20 is mounted so as not to be electrically connected to the matching element 55 constituting a part of the recognition range increasing unit 50 may include a second terminal on which the matching element 55 is mounted. 33b) and spaced apart.
  • the winding direction of the antenna coil 24 can be understood as the extension direction of the subcoil 24a shown in FIG. 3C and can be connected to the second terminal 33b of the antenna package 30.
  • Reference numeral 52 may pass through the central portion of the chip antenna 20 while extending in the direction parallel to the extending direction of the subcoil 24a.
  • Example (a) is a diagram illustrating the configuration of Example (a) and Comparative Example (b) of the present invention in an antenna structure.
  • a conductive line pattern 52 and a matching element 55 that cross the central portion of the chip antenna 20 are formed.
  • the direction in which the conductive line pattern 52 extends in the region overlapping the chip antenna 20 is parallel to the winding direction of the antenna coil 24 constituting the chip antenna 20.
  • the direction in which the conductive line pattern 52 extends in the region overlapping with the chip antenna 20 is different from the winding direction of the antenna coil 24 constituting the chip antenna 20.
  • the NFC recognition range was 36.42mm in the card mode and 26.50mm in the reader mode of the type 1 when only the single chip of the chip antenna 20 was provided without providing the above-mentioned recognition range increase unit.
  • the capacitance of the matching element 55 is 820pF
  • the NFC recognition range is 36.42mm in the card mode and 26.50mm in the type 1 reader mode in the configuration of FIG.
  • the NFC recognition range is 90.04 mm in the card mode. It measured 52.65mm in reader mode.
  • the conductive line pattern 52 passes in the direction parallel to the winding direction of the antenna coil 24 in the chip antenna 20, it can be seen that there is an improvement in the antenna recognition range.
  • the conductive line pattern 52 passes through the chip antenna 20 in a direction perpendicular to the winding direction of the antenna coil 24, there is no improvement in the antenna recognition range.
  • the effect of increasing and decreasing the antenna performance varies depending on the material and size of the conductor used.

Abstract

Une structure d'antenne selon un aspect de la présente invention comprend : une antenne à puce dans laquelle une bobine d'antenne est enroulée sur au moins une partie d'un noyau; et une unité d'augmentation de plage de reconnaissance conçue pour être espacée de l'antenne à puce sans être connectée à l'antenne à puce, l'unité d'augmentation de plage de reconnaissance comprenant un motif de lignes conductrices dont au moins une partie chevauche l'antenne à puce. La direction dans laquelle le motif de lignes conductrices s'étend dans une région chevauchant l'antenne à puce et la direction d'enroulement de la bobine d'antenne sont parallèles l'une à l'autre.
PCT/KR2017/007875 2016-08-01 2017-07-21 Structure d'antenne, boîtier d'antenne et dispositif électronique le comprenant WO2018026126A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0098205 2016-08-01
KR1020160098205A KR101804566B1 (ko) 2016-08-01 2016-08-01 안테나 구조체, 안테나 패키지 및 이를 구비하는 전자 장치

Publications (1)

Publication Number Publication Date
WO2018026126A1 true WO2018026126A1 (fr) 2018-02-08

Family

ID=60920802

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/007875 WO2018026126A1 (fr) 2016-08-01 2017-07-21 Structure d'antenne, boîtier d'antenne et dispositif électronique le comprenant

Country Status (2)

Country Link
KR (1) KR101804566B1 (fr)
WO (1) WO2018026126A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100664216B1 (ko) * 2005-09-06 2007-01-04 엘지전자 주식회사 휴대단말기의 다중대역 안테나 구조 및 장치 및 방법
KR101052115B1 (ko) * 2009-06-10 2011-07-26 엘지이노텍 주식회사 이중 공진을 이용한 ｎｆｃ 안테나
JP5660229B2 (ja) * 2011-11-08 2015-01-28 株式会社村田製作所 アンテナ装置および通信装置
KR20150131924A (ko) * 2014-05-15 2015-11-25 주식회사 아이티엠반도체 안테나 모듈 패키지
KR101619322B1 (ko) * 2015-01-05 2016-05-10 주식회사 아모텍 메탈 케이스를 이용한 ｎｆｃ 안테나 모듈

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100664216B1 (ko) * 2005-09-06 2007-01-04 엘지전자 주식회사 휴대단말기의 다중대역 안테나 구조 및 장치 및 방법
KR101052115B1 (ko) * 2009-06-10 2011-07-26 엘지이노텍 주식회사 이중 공진을 이용한 ｎｆｃ 안테나
JP5660229B2 (ja) * 2011-11-08 2015-01-28 株式会社村田製作所 アンテナ装置および通信装置
KR20150131924A (ko) * 2014-05-15 2015-11-25 주식회사 아이티엠반도체 안테나 모듈 패키지
KR101619322B1 (ko) * 2015-01-05 2016-05-10 주식회사 아모텍 메탈 케이스를 이용한 ｎｆｃ 안테나 모듈

Also Published As

Publication number Publication date
KR101804566B1 (ko) 2017-12-05

Similar Documents

Publication Publication Date Title
US9767450B2 (en) Antenna module package, antenna module package circuit, battery pack including the same and mobile device including the same
US9865924B2 (en) Antenna device and communication terminal apparatus
US9692128B2 (en) Antenna device and wireless communication device
US9576238B2 (en) Antenna device and communication terminal device
EP2811656B1 (fr) Dispositif d'antenne et dispositif de communication sans fil
EP2523255B1 (fr) Dispositif d'antenne et dispositif formant terminal de communication
US9236651B2 (en) Communication terminal device
US10916834B2 (en) Conductive plate used as near field communication antenna and terminal
US20140184461A1 (en) Antenna Assembly
US10270155B2 (en) Antenna device and electronic apparatus
CN106797073B (zh) 天线模块以及电子设备
KR20150131923A (ko) Nfc 통신이 가능한 전자장치
CN105405578A (zh) 壳体及包括该壳体的装置
KR20170033253A (ko) 근거리 통신 안테나 모듈 및 이를 구비하는 휴대 단말
CN205646165U (zh) 天线装置与通信终端装置
WO2014185688A1 (fr) Module d'antenne de ccp et terminal portatif le comprenant
US20170229772A1 (en) Antenna device and electronic device
JP6172407B2 (ja) アンテナ装置、カード型情報媒体および通信端末装置
WO2016122102A1 (fr) Boîtier de module d'antenne et circuit de boîtier de module d'antenne
WO2016186307A1 (fr) Conditionnement de module d'antenne et son procédé de fabrication
WO2018026126A1 (fr) Structure d'antenne, boîtier d'antenne et dispositif électronique le comprenant
WO2016186306A1 (fr) Antenne à puce multibande, bloc-batterie l'incluant, et dispositif mobile incluant le bloc-batterie
KR20170050044A (ko) 안테나장치
US10305187B2 (en) Antenna device, communication apparatus, and method of manufacturing antenna device
US20190148815A1 (en) Antenna module and radio equipment

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17837178

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17837178

Country of ref document: EP

Kind code of ref document: A1