WO2016060431A1 - Antenne - Google Patents

Antenne Download PDF

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Publication number
WO2016060431A1
WO2016060431A1 PCT/KR2015/010760 KR2015010760W WO2016060431A1 WO 2016060431 A1 WO2016060431 A1 WO 2016060431A1 KR 2015010760 W KR2015010760 W KR 2015010760W WO 2016060431 A1 WO2016060431 A1 WO 2016060431A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
conductive member
antenna
case
slit
Prior art date
Application number
PCT/KR2015/010760
Other languages
English (en)
Korean (ko)
Inventor
황이슬
이경호
Original Assignee
주식회사 이엠따블유
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 이엠따블유 filed Critical 주식회사 이엠따블유
Publication of WO2016060431A1 publication Critical patent/WO2016060431A1/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
    • H01Q1/36—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
    • H01Q1/12—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

Definitions

  • Embodiments of the present invention relate to antennas, and more particularly to antenna technology with slits.
  • Antennas installed in a portable terminal having a mobile communication function can be largely classified into an external antenna and an internal antenna according to the installation position thereof.
  • the external antenna As the external antenna, a whip type, a helical type antenna, and the like are mainly used.
  • the external antenna is fixedly installed on the side or top of the portable terminal and has a structure capable of being pulled in and out by a user.
  • the external antenna Since the external antenna is installed outside the portable terminal, there is a disadvantage in that it is inconvenient to use and store and damage the appearance of the portable terminal. In addition, since the installation space of the external antenna must be secured to the outside of the portable terminal, there is a limitation in designing the appearance of the portable terminal, damaging the design, and making it difficult to miniaturize and slim the portable terminal.
  • the built-in antenna (or antenna) is mainly a monopole type, a loop type or a planar inverted antenna (PIFA), and is installed inside the portable terminal.
  • the internal antenna should be provided with a space for installing the internal antenna, and as the portable terminal becomes thinner or smaller, the installation space of the internal antenna is reduced.
  • the metal structure makes radiation of the antenna difficult, and even if the antenna is implemented, there is a disadvantage in that only a limited band can be processed. For this reason, in the case of a portable terminal having a metal structure, a metal case is applied to a portion except for an antenna region.
  • Embodiments of the present invention to provide an antenna that can be implemented inside the metal case.
  • a first substrate having a radiation pattern formed on one surface; And a second substrate interposed between the other surface of the first substrate and a case of a wireless communication device including a conductive member and a non-conductive member, wherein at least one slit pattern is formed, wherein the second substrate includes the slit pattern.
  • An antenna interposed over a portion of the conductive member and a portion of the non-conductive member is provided to be positioned over the conductive member and the non-conductive member of the case.
  • the slit pattern may include a first sub slit that extends to one side of the second substrate and opens to an external space.
  • At least a portion of the first sub slit may be formed in a region of the second substrate that contacts the non-conductive member.
  • the slit pattern may include a second sub slit formed in a region of the second substrate that is in contact with the conductive member and bent at least one time.
  • the antenna may further include a ferrite layer formed on one surface of the first substrate or between the first substrate and the second substrate.
  • FIG. 1 is a front perspective view of an antenna according to an embodiment of the present invention.
  • FIG. 2 is a rear perspective view of the antenna according to the embodiment of the present invention.
  • 3A and 3B are exploded perspective views of an antenna according to embodiments of the present invention.
  • FIG. 4 is an exemplary diagram for explaining a state in which an antenna is attached to a case of a wireless communication device according to an embodiment of the present invention.
  • 5 to 7 is an exemplary view for explaining the shape of the metal surface of the case with an antenna according to an embodiment of the present invention
  • FIG. 1 is a front perspective view of an antenna according to an embodiment of the present invention
  • FIG. 2 is a rear perspective view of an antenna according to an embodiment of the present invention
  • FIGS. 3A and 3B are antennas according to embodiments of the present invention. Is an exploded perspective view of the.
  • the antenna 100 according to the embodiments of the present invention is a device mounted in the wireless communication device to mediate wireless communication of the wireless communication device.
  • an antenna 100 according to an embodiment of the present invention includes a first substrate 102, a radiation pattern 104, and a second substrate 106.
  • the first substrate 102 may be made of a dielectric having a predetermined dielectric constant.
  • the substrate 102 may be made of a member having a predetermined dielectric constant and permeability.
  • the first substrate 102 may be a film made of polyimide (PI) or polyethylene terephthalate (PET).
  • the radiation pattern 104 is formed on one surface of the first substrate 102.
  • the radiation pattern 104 may be a looped pattern for Near Field Communication (NFC), but the invention is not so limited, and the radiation pattern 104 may be used for the antenna 100. And it may be configured to have a variety of sizes and shapes according to the frequency of use.
  • NFC Near Field Communication
  • the second substrate 106 is in contact with the first substrate 102 on the other surface of the first substrate 102 and includes at least one slit pattern 110.
  • the second substrate 106 may be composed of a flexible printed circuit board (FPCB).
  • the slit pattern 110 may be formed on the second substrate 106 by etching the conductive layer (copper layer, etc.) on the flexible circuit board.
  • the antenna 100 may be attached to the inner surface of the case of the wireless communication device and configured to emit a signal applied from the wireless communication device.
  • the wireless communication device may include all kinds of personal portable devices capable of wireless communication, such as a desktop computer, a notebook computer, a mobile phone, a smartphone, a tablet, and a wearable device.
  • the case of the wireless communication device may include a conductive member and a non-conductive member.
  • a part of the case may be formed of a conductive member such as stainless, metal, aluminum, and the other part of the case may be formed of a non-conductive member such as plastic or wood.
  • one surface of the second substrate 106 is in contact with the other surface of the first substrate 102, and at least a part of the other surface of the second substrate 106 is mounted with the antenna 100.
  • the conductive member 302-1 of the case 302 of the wireless communication device may be in contact, and the remaining portion of the second substrate 106 may be in contact with the non-conductive member 302-2 of the case 302.
  • the slit pattern 110 on the second substrate 106 is positioned over the conductive member 302-1 and the non-conductive member 302-2 of the case 302. That is, the second substrate 106 may be formed such that at least a portion of the second substrate 106 including the opening 112 of the slit pattern 110 contacts the non-conductive member 302-2.
  • the opening 112 of the slit pattern 110 refers to a point where the one side surface and the slit pattern 110 meet when the slit pattern 110 extends to one side of the second substrate 106 and is opened to the outside space. .
  • the antenna 100 has a surface partially in contact with the conductive member 302-1 of the case, and the other surface including the opening 112 is connected to the non-conductive member 302-2 of the case. It may be configured to contact.
  • the non-conductive member 302-2 may be a material having no conductivity, such as plastic or wood. That is, in this case, the second substrate 106 may be coupled to the case such that at least a part of the region including the opening 112 contacts the non-conductive member 302-2.
  • the wireless communication device when only the remaining portion of the second substrate 106 except for the partial region including the opening 112 of the antenna 100 is in contact with the conductive member 302-1, most cases of the wireless communication device are It is possible to ensure stable radiation characteristics of the antenna 100 while being formed of a conductive member such as metal. This is because the opening 112 formed at one end of the slit pattern 110 serves as a kind of slot so that the radiation pattern of the antenna 100 is biased toward the opening 112. Therefore, according to the embodiment of the present invention, there is an advantage that the degree of freedom in material and shape increases in the design of the case of the wireless communication device, especially the rear case.
  • one end of the slit pattern 110 formed on the second substrate 106 extends to one side surface of the second substrate 106 to open to the outer space, thereby forming the first sub slit 110-. 1) and a second sub slit 110-2 intersecting with the first sub slit 110-1 at the other end of the first sub slit 110-1.
  • the first sub slit 110-1 guides the radiation pattern of the antenna 100 in the direction of the opening 112.
  • at least a portion of the first sub slit 110-1 may be formed in a region of the second substrate 106 that contacts the non-conductive member 302-2 of the case.
  • the second sub slit 110-2 is formed in a region in contact with the conductive member 302-1 of the second substrate 106, and the resonant frequency of the antenna 100 is extended through the length of the entire slit pattern 110. Can be moved to a lower frequency band. Also, in the illustrated embodiment, although the second sub slit 110-2 is formed along the hole 114 inside the antenna 100, the shape of the second sub slit 110-2 is limited thereto. It may be made in various shapes other than that. For example, the second sub slits 110-2 may be formed in a straight line or bent at least once.
  • the hole 114 is illustrated as being formed in the center of the antenna 100, this is generally to secure the insertion position of the camera provided in the wireless communication device, according to the embodiment ( 114 may be changed or omitted (in the case of FIG. 3A).
  • the slit pattern 110 may also be formed on the second substrate 106 accordingly.
  • Embodiments of the present invention may have a specific shape of the slit pattern 110. Note that it is not limited.
  • the antenna 100 further includes a ferrite layer 108 formed on one surface of the radiation pattern 104 or between the first substrate 102 and the second substrate 106. can do.
  • the ferrite layer 108 may not only facilitate the formation of the magnetic field of the radiation pattern 104, but also reduce the size of the overall antenna 100 by reducing the resonance length (ie, electrical length) of the radiation pattern 104. .
  • the ferrite layer 108 according to embodiments of the present invention may be configured not to include a hole in the center as shown in FIG.
  • Whether or not to include a hole in the ferrite layer 108 may be appropriately determined in consideration of mechanical specifications (such as the shape of the camera and the release part) inside the wireless communication device.
  • a case 302 of a wireless communication device may be formed mostly of a conductive member 302-1 and a part of a non-conductive member 302-2, in which case an antenna 100 is a non-conductive material with the conductive member 302-1 such that a portion of the region including the opening 112 (ie, the portion of the first sub slit 110-1) is positioned on the non-conductive member 302-1. It may be attached to the boundary of the member (302-2).
  • the antenna When the 100 is attached to the boundary between the conductive member 302-1 and the non-conductive member 302-2, it is possible to secure stable radiation characteristics of the antenna 100 regardless of the formation of the conductive member 302-1. .

Abstract

La présente invention se rapporte à une antenne. Une antenne selon un mode de réalisation de la présente invention comprend : un premier substrat sur une surface duquel est formé un motif de rayonnement ; et un second substrat qui est intercalé entre l'autre surface du premier substrat et un boîtier d'un dispositif de communication sans fil qui comprend un élément conducteur et un élément non conducteur, et dans lequel est formé au moins un motif de fente, le second substrat étant disposé au-dessus d'une partie de l'élément conducteur et d'une partie de l'élément non conducteur de manière que le motif de fente soit situé au-dessus de l'élément conducteur et de l'élément non conducteur du boîtier.
PCT/KR2015/010760 2014-10-14 2015-10-13 Antenne WO2016060431A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140138355A KR101622173B1 (ko) 2014-10-14 2014-10-14 안테나
KR10-2014-0138355 2014-10-14

Publications (1)

Publication Number Publication Date
WO2016060431A1 true WO2016060431A1 (fr) 2016-04-21

Family

ID=55746919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/010760 WO2016060431A1 (fr) 2014-10-14 2015-10-13 Antenne

Country Status (2)

Country Link
KR (1) KR101622173B1 (fr)
WO (1) WO2016060431A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4007065A4 (fr) * 2019-09-04 2022-09-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Antenne nfc utilisée pour un terminal mobile, et appareil de communication nfc

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107565216A (zh) 2017-08-29 2018-01-09 广州三星通信技术研究有限公司 电子设备的外壳及电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009278440A (ja) * 2008-05-15 2009-11-26 Tokai Rika Co Ltd 携帯機
JP2011521582A (ja) * 2008-05-20 2011-07-21 ユニバーシティー オブ ケント Ｒｆｉｄタグ
KR20120099131A (ko) * 2010-04-12 2012-09-06 가부시키가이샤 무라타 세이사쿠쇼 안테나 장치 및 통신 단말장치
KR101339020B1 (ko) * 2013-07-17 2013-12-09 에이큐 주식회사 안테나 장치
KR20140022420A (ko) * 2011-08-12 2014-02-24 샤프 가부시키가이샤 구조물 및 구조물의 제조 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009278440A (ja) * 2008-05-15 2009-11-26 Tokai Rika Co Ltd 携帯機
JP2011521582A (ja) * 2008-05-20 2011-07-21 ユニバーシティー オブ ケント Ｒｆｉｄタグ
KR20120099131A (ko) * 2010-04-12 2012-09-06 가부시키가이샤 무라타 세이사쿠쇼 안테나 장치 및 통신 단말장치
KR20140022420A (ko) * 2011-08-12 2014-02-24 샤프 가부시키가이샤 구조물 및 구조물의 제조 방법
KR101339020B1 (ko) * 2013-07-17 2013-12-09 에이큐 주식회사 안테나 장치

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4007065A4 (fr) * 2019-09-04 2022-09-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Antenne nfc utilisée pour un terminal mobile, et appareil de communication nfc
US11978952B2 (en) 2019-09-04 2024-05-07 Guangdong Oppo Mobile Telecommunications Corp., Ltd. NFC antenna and NFC communication apparatus for mobile terminal

Also Published As

Publication number Publication date
KR101622173B1 (ko) 2016-05-18
KR20160043752A (ko) 2016-04-22

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