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WO2018155786A1 - Antenne du type film et dispositif d'affichage d'image comprenant cette dernière - Google Patents

Antenne du type film et dispositif d'affichage d'image comprenant cette dernière Download PDF

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Publication number
WO2018155786A1
WO2018155786A1 PCT/KR2017/012843 KR2017012843W WO2018155786A1 WO 2018155786 A1 WO2018155786 A1 WO 2018155786A1 KR 2017012843 W KR2017012843 W KR 2017012843W WO 2018155786 A1 WO2018155786 A1 WO 2018155786A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode pattern
film
type antenna
antenna
substrate
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/KR2017/012843
Other languages
English (en)
Korean (ko)
Inventor
박동필
김종민
이재현
오윤석
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.)
Dongwoo Fine Chem Co Ltd
Original Assignee
Dongwoo Fine Chem 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 Dongwoo Fine Chem Co Ltd filed Critical Dongwoo Fine Chem Co Ltd
Publication of WO2018155786A1 publication Critical patent/WO2018155786A1/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
    • H01Q1/12—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
    • H01Q1/2291—Supports; Mounting means by structural association with other equipment or articles used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN]
    • 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
    • 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

Definitions

  • the present invention relates to a film antenna and an image display device including the same.
  • an antenna installed in a portable terminal having a mobile communication function may be classified into an external antenna and an internal antenna according to an installation position.
  • 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.
  • an internal antenna scheme for installing the antenna inside the portable terminal may be mainly used.
  • 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 interior should be provided with a space for the internal antenna, and as the portable terminal becomes thinner or smaller, the installation space of the internal antenna is also reduced.
  • portable terminals having an outer case made of a metal material are increasing for the robustness and beautiful design of the portable terminal.
  • Korean Laid-Open Patent Publication No. 2003-0095557 discloses a technology related to an internal antenna of a portable terminal.
  • One object of the present invention is to provide a film type antenna having improved transmittance and signal sensitivity.
  • One object of the present invention is to provide an image display device including a film antenna having improved transmittance and signal sensitivity.
  • Base material And an electrode pattern disposed on the substrate, the electrode pattern having a volume range of 5000 to 35000 ⁇ m 3 per unit area of 1 mm 2 of the substrate.
  • the electrode pattern comprises at least one selected from the group consisting of Ag, Cu, Ni, Al, Cr, Mo, Co, Ti, Pd and their alloys, film type antenna.
  • the light transmittance is 80% or more, film-type antenna.
  • the sheet resistance of the electrode pattern is 10 ⁇ / ⁇ or less, film type antenna.
  • the resistance of the transmission line of the electrode pattern is 50 ⁇ or less, film-type antenna.
  • the electrode pattern has a laminated structure of a plurality of conductive layers, film type antenna.
  • the electrode pattern comprises at least one conductive metal oxide layer and at least one metal layer, the volume range of the electrode pattern is defined by the volume range of the metal layer, the film-type antenna.
  • the image display device including the film antenna of the above 1 to 8.
  • the film type antenna according to the embodiments of the present invention is included in the display unit of the portable terminal, the antenna visibility may be low due to excellent light transmittance.
  • the signal resistance is improved due to the improved resistance while having excellent visibility characteristics, the signal loss rate of the antenna can be lowered.
  • the film antenna according to the embodiments of the present invention may be disposed on the front portion of the image display device, and thus a thinner and slimmer image display device may be implemented.
  • FIG. 1 is a schematic plan view of a film-shaped antenna according to an embodiment of the present invention.
  • FIG. 2 is a schematic exploded cross-sectional view of a window substrate, a film-type antenna, and a display panel according to an embodiment of the present invention.
  • FIG. 3 is a schematic perspective view of an exemplary portable terminal.
  • Embodiments of the invention are described; And an electrode pattern disposed on the substrate, the electrode pattern having a volume range of 5000 to 35000 ⁇ m 3 per unit area of 1 mm 2 of the substrate, thereby providing a low-visibility and low signal loss film-type antenna and an image display apparatus including the same. It is about.
  • FIG. 1 is a schematic plan view of a film-shaped antenna according to an embodiment of the present invention.
  • the film antenna includes a substrate 200 and an electrode pattern 300.
  • FIG. 3 is a schematic perspective view of an exemplary portable terminal.
  • 2 is a schematic exploded cross-sectional view of a window substrate 100, a film-type antenna, and a display panel 400 according to an embodiment of the present invention.
  • the film antenna may be included in a portion overlapping the display unit, and specifically, may be disposed between the window substrate 100 and the display panel 400, and the film antenna may be disposed at the aforementioned position.
  • the wireless signal transmission and reception efficiency can be further improved.
  • the substrate 200 is a member on which the electrode pattern 300 of the film antenna may be formed and is transparent.
  • the substrate 200 may include, for example, a material having transparency that can be applied to an LCD device, an OLED device, a touch screen panel (TSP), and the like.
  • the substrate 200 may include a plastic material having predetermined flexibility.
  • the display device to which the substrate 200 is applied may be provided as a flexible image display device.
  • the substrate 200 may be made of polyethersulphone (PES), polyacrylate (PAR), polyetherimide (PEI), polyethylene naphthalate (PEN), polyethylene terephthalate (PET, polyethyelene terepthalate), polyphenylene sulfide (PPS), polyallylate, polyimide, polycarbonate (PC, polycarbonate), cellulose tri acetate (TAC), cellulose acetate propio Cellulose acetate propionate (CAP), cycloolefin (Cycloolepin Polymer: COP), and the like. These may be used alone or in combination of two or more.
  • PES polyethersulphone
  • PAR polyacrylate
  • PEI polyetherimide
  • PEN polyethylene naphthalate
  • PET polyethylene terephthalate
  • PPS polyphenylene sulfide
  • PC polycarbonate
  • TAC cellulose tri acetate
  • CAP cellulose acetate propio Cellulose acetate prop
  • the film antenna according to the embodiment of the present invention includes an electrode pattern 300 disposed on the substrate 200.
  • the electrode pattern 300 may be formed on at least a portion of one surface of the substrate 200.
  • the electrode pattern 300 may be formed on substantially the entire upper surface of the substrate 200.
  • the electrode pattern 300 may transmit and receive a wireless signal of a portable terminal, and the range of the transmitted and received signal is not particularly limited.
  • the electrode pattern 300 may be a wireless signal such as a high frequency band or a low frequency band. millimeter Wavelength, 30 to 300 GHZ), WIFI (Wireless Fidelity.2.4 GHz), DCS (Digital Cordless System.1710 to 1880MHz), PCS (Personal Communication Services, 1850 to 1990MHz)
  • the low frequency band may include Global System for Mobile telecommunication (GSM) 880 to 960 MHz (GSM) and Near Field Communication (NFC) 13.5 MHz.
  • GSM Global System for Mobile telecommunication
  • GSM Global System for Mobile telecommunication
  • NFC Near Field Communication
  • the electrode pattern 300 has a volume range of 5000 to 35000 ⁇ m 3 per unit area 1 mm 2 of the substrate 200.
  • the unit area of the substrate 200 is based on the area of the substrate 200 measured in the plane direction as shown in FIG. 1, and the volume range of the electrode pattern 300 is formed in the pattern shape as shown in FIG. 1. ) Is the volume of the structure.
  • the electrode pattern 300 may include a plurality of conductive layers, and may include a conductive metal oxide layer and a metal layer, wherein the volume range of the electrode pattern 300 is defined as the volume range of the metal layer. do.
  • the volume of the electrode pattern 300 if 5000 ⁇ m less than 3 per unit area of 1mm 2 of the substrate (200) 35000 ⁇ m unit area, and the signal sensitivity of the antenna decreases, the substrate (200) per 1mm 2, as resistance rises 3 When exceeding, the electrode pattern 300 is visually recognized and light transmittance falls.
  • the electrode pattern 300 When the electrode pattern 300 satisfies the above-described volume range per unit area of 1 mm 2 of the substrate 200, even if the electrode pattern 300 is included in the display portion of the portable terminal (see FIG. 3), the light transmittance is excellent and the antenna visibility is low. The signal loss rate can also be low at the same time. Therefore, the internal space utilization efficiency of the portable terminal can be significantly improved, and the size or thickness of the portable terminal can be designed to be significantly smaller.
  • the film-type antenna according to the embodiments of the present invention may be disposed on the front portion of the image display device, and thus a thinner and slimmer image display device may be implemented.
  • the film-type antenna according to an embodiment of the present invention may have a light transmittance of 80% or more, preferably 85% or more of the substrate 200 on which the electrode pattern 300 is formed. Since the light transmittance of the substrate 200 on which the electrode pattern 300 is formed satisfies the aforementioned range, the film antenna may not be visually recognized by the user.
  • the sheet resistance of the electrode pattern 300 may be 10 ⁇ / ⁇ or less, or the transmission line resistance of the antenna may be 50 ⁇ or less, and the electrode pattern 300 satisfies the above-described range.
  • the signal loss rate may be low, and thus the signal sensitivity may be excellent.
  • the pattern shape of the electrode pattern 300 may be used without any limitation as long as it is a shape that can satisfy the volume range of the electrode pattern 300 described above.
  • the shape may be regular, irregular, or regular.
  • it may be a mesh (mesh) shape.
  • the mesh shape is illustrated in FIG. 1, the present invention is not limited thereto, and other mesh shapes may be used.
  • the unit pattern constituting the mesh structure of the electrode pattern 300 may be a pattern having a repeating rhombus-shaped opening as shown, and specifically, the pattern may be a predetermined pattern. Has a predetermined width as shown in the cross-sectional view of FIG. 2, and the pattern may have a first diagonal b and a second diagonal c as shown in FIG. 1. have.
  • the material of the electrode pattern 300 is a metal
  • a metal known in the art may be used without particular limitation, for example, Ag, Cu, Ni, Al, Cr, Mo, Co, Ti, Pd and alloys thereof. It may be a metal having a specific resistance of preferably 20 n ⁇ m or less.
  • the electrode pattern 300 may have a stacked structure of a plurality of conductive layers.
  • the plurality of conductive layers may be two or more conductive layers selected from the group consisting of metal layers and conductive metal oxide layers.
  • the electrode pattern 300 may include at least one conductive metal oxide layer and at least one metal layer, wherein the volume range of the electrode pattern 300 is defined as the volume range of the metal layer.
  • the formation method of the electrode pattern 300 is not particularly limited, and may be formed by various thin film deposition techniques such as physical vapor deposition (PVD) and chemical vapor deposition (Chemical VaporDeposition, CVD). For example, it may be formed by reactive sputtering, which is an example of physical vapor deposition.
  • the electrode pattern 300 may be formed through a printing process.
  • the present invention additionally provides an image display device including the above-described film-type antennas.
  • the film antenna may at least partially cover the display portion of the image display device. Since the film antenna can at least partially cover the display portion of the image display device, the internal space utilization efficiency of the image display device can be significantly improved, and the size or thickness of the image display device can be designed to be significantly smaller. . In some embodiments, the film antenna may substantially overlap the display portion.
  • the film antenna may be combined with a display panel included in an OLED device, an LCD device, or the like.
  • the display panel may include a pixel circuit including a thin film transistor (TFT) arranged on a substrate, and a pixel portion or a light emitting portion electrically connected to the pixel circuit.
  • TFT thin film transistor
  • the film antenna may be applied to various image display devices such as FED devices and PDP devices.
  • the first diagonal (b) length is 200 ⁇ m
  • the second diagonal (c) length is 100 ⁇ m
  • An electrode pattern was formed, including unit patterns of the materials (Ag, Pd, Cu alloy (APC), Cu) and the pattern width (a) described in Table 2 (see FIG. 1).
  • the electrode pattern volume ( ⁇ m 3 ) per 1 mm 2 of substrate base unit was converted while changing the pattern width a for each height of the unit pattern (160 ⁇ , 360 ⁇ , 700 ⁇ , 1000 ⁇ , 2000 ⁇ , 3000 ⁇ ).
  • the prepared examples and comparative examples were visually determined at a distance of 20 cm to determine the level of the moire.
  • the transmittance was measured by transmitting light having a wavelength of 550 nm in the prepared examples and comparative examples.
  • the S-parameter was extracted at 28 GHz using a network analyzer to evaluate antenna performance of the prepared examples and comparative examples.
  • the visibility evaluation item is X and the transmittance evaluation value is 83.18 or more, the transmittance performance is excellent, all the examples, the transmission line resistance is 31.33 ⁇ or less and Return loss As the value was -16.04 or less, it was confirmed that the signal sensitivity was excellent.
  • Comparative Examples 1 to 4 and Comparative Examples 7 to 9 have excellent visibility transmittance performance, but the transmission line resistance is 50.12 ⁇ or more and the return loss value is -9.32 or more. As a result, it was confirmed that the signal sensitivity was inferior. Therefore, Comparative Examples 1 to 4 and Comparative Examples 7 to 9 are large in resistance and difficult to function as antennas.
  • Comparative Examples 5, 6, 10, and 11 in which the volume of the electrode pattern is more than 35000 ⁇ m 3 per 1 mm 2 of the substrate have a transmission line resistance of 7.15 ⁇ or less and a return loss value of -27.08 or less, but excellent signal sensitivity.
  • the visibility evaluation item was (circle), and the transmittance
  • the comparative example using Cu as an electrode material among the comparative examples confirmed that the effect fell rather than the comparative example using Ag, Pd, and Cu alloy (APC).

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

Abstract

La présente invention concerne une antenne du type film et, plus spécifiquement, une antenne du type film qui comprend: un substrat; et un motif d'électrode disposé sur le substrat et ayant une plage de volume comprise entre 5 000 et 35000㎛3 pour une surface unitaire de 1mm2 du substrat, et qui a une faible visibilité et une faible perte de signal.
PCT/KR2017/012843 2017-02-23 2017-11-14 Antenne du type film et dispositif d'affichage d'image comprenant cette dernière Ceased WO2018155786A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170023988A KR102035689B1 (ko) 2017-02-23 2017-02-23 필름형 안테나 및 이를 포함하는 화상 표시 장치
KR10-2017-0023988 2017-02-23

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WO2018155786A1 true WO2018155786A1 (fr) 2018-08-30

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WO (1) WO2018155786A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115997321A (zh) * 2020-08-28 2023-04-21 东友精细化工有限公司 导电性网格结构体和包含其的天线元件

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102703335B1 (ko) * 2020-02-28 2024-09-04 동우 화인켐 주식회사 안테나 소자 및 이를 포함하는 디스플레이 장치
KR102832198B1 (ko) 2020-09-24 2025-07-09 삼성전자주식회사 안테나를 포함하는 전자 장치
KR102864025B1 (ko) 2020-10-05 2025-09-25 삼성디스플레이 주식회사 전자 장치
KR102833066B1 (ko) 2020-10-14 2025-07-15 삼성디스플레이 주식회사 전자 장치
KR102753216B1 (ko) * 2022-07-21 2025-01-14 크리모 주식회사 적층형 다중 대역 방사체 모듈

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JP2016219999A (ja) * 2015-05-19 2016-12-22 富士フイルム株式会社 アンテナ、アンテナの製造方法およびタッチセンサ

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KR20080002909A (ko) * 2005-04-01 2008-01-04 니폰샤신인사츠가부시키가이샤 디스플레이용 투명 안테나 및 안테나 부착 디스플레이용투광성 부재 및 안테나 부착 하우징용 부품
KR20140030120A (ko) * 2010-12-16 2014-03-11 쓰리엠 이노베이티브 프로퍼티즈 컴파니 투명한 미세 패턴화된 rfid 안테나 및 이를 포함하는 물품
KR20120079803A (ko) * 2011-01-05 2012-07-13 린텍 가부시키가이샤 투명 전극 기판, 그 제조 방법, 이 투명 전극 기판을 가지는 전자 디바이스 및 태양 전지
KR101541517B1 (ko) * 2014-03-26 2015-08-03 부산대학교 산학협력단 단결정 구리를 이용한 나노 망사 다층 구조의 투명전극 및 그 제조방법
JP2016219999A (ja) * 2015-05-19 2016-12-22 富士フイルム株式会社 アンテナ、アンテナの製造方法およびタッチセンサ

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115997321A (zh) * 2020-08-28 2023-04-21 东友精细化工有限公司 导电性网格结构体和包含其的天线元件

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KR20180097249A (ko) 2018-08-31
KR102035689B1 (ko) 2019-10-23

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