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WO2017146407A1 - Dispositif électronique présentant un capteur tactile et une antenne dans ce dernier - Google Patents

Dispositif électronique présentant un capteur tactile et une antenne dans ce dernier Download PDF

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Publication number
WO2017146407A1
WO2017146407A1 PCT/KR2017/001556 KR2017001556W WO2017146407A1 WO 2017146407 A1 WO2017146407 A1 WO 2017146407A1 KR 2017001556 W KR2017001556 W KR 2017001556W WO 2017146407 A1 WO2017146407 A1 WO 2017146407A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
touch sensor
bonding pad
electronic device
printed circuit
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/KR2017/001556
Other languages
English (en)
Korean (ko)
Inventor
유성우
손동진
이철훈
최병진
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 WO2017146407A1 publication Critical patent/WO2017146407A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • 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 touch sensor and an antenna built-in electronic device. More specifically, the present invention can effectively block noise due to interference between the touch sensor driving signal and the antenna transmission and reception signal, and can simplify the electrical connection structure of the antenna to improve the manufacturing efficiency of the electronic device and reduce the product size.
  • the present invention relates to a touch sensor and an antenna-embedded electronic device.
  • the touch sensor is a display panel that allows a user to input and manipulate desired information on the screen using a hand or a pen while looking at the screen, and is a portable information terminal (PDA), a mobile phone, a digital camera, a car navigation device, a game machine, and an office device. It is widely used in various electronic device fields such as a device, a medical device, a guide device of a bank or a government office.
  • PDA portable information terminal
  • the touch sensor may be used in a state of being coupled to various display devices such as a liquid crystal display, an organic light emitting device, a plasma display, and the like, and may include a resistive film type, capacitive type, ultrasonic type, or infrared type according to a method of sensing a touch input. And the like.
  • the electronic device when the touch sensor is applied to an electronic device that supports a communication function, the electronic device includes a touch sensor driver IC and an antenna driver IC mounted on a printed circuit board, and drives the touch sensor and the touch sensor. Electrical connection between the IC and between the antenna and the drive IC for the antenna is indispensable.
  • FPCs Conventionally, one or two FPCs have been used as a means for electrical connection to each of the touch sensor and antenna.
  • a shielding layer or a shielding line must be additionally formed on the laminated structure of the FPC or on the same plane in order to separate the drive signal of the touch sensor and the transmission / reception signal of the antenna.
  • a shielding layer or a shielding line must be additionally formed on the laminated structure of the FPC or on the same plane in order to separate the drive signal of the touch sensor and the transmission / reception signal of the antenna.
  • Patent Document 1 Korean Unexamined Patent Publication No. 10-2010-0037463 (published date: April 09, 2010, name: portable terminal, and antenna connection device of the portable terminal)
  • Patent Document 2 Korean Unexamined Patent Publication No. 10-2009-0119600 (published date: November 19, 2009, name: touch panel integrated flat panel display device)
  • An object of the present invention is to provide a touch sensor and an antenna-embedded electronic device that can effectively block noise caused by interference between a touch sensor driving signal and an antenna transmission / reception signal.
  • the present invention aims to simplify the electrical connection structure of the antenna to improve the manufacturing efficiency of the electronic device and to reduce the product size.
  • a touch sensor and an antenna-embedded electronic device comprising a printed circuit board having a touch sensor, an antenna bonded to the touch sensor, an antenna driver for driving the antenna, and a touch sensor driver for driving the touch sensor; And an anisotropic conductive material layer formed between the first bonding pad formed on the antenna and the second bonding pad formed on the printed circuit board and connected to the antenna driver.
  • the anisotropic conductive material layer comprises an anisotropic conductive film or an anisotropic conductive adhesive.
  • the first bonding pad and the second bonding pad are formed to face each other.
  • the first bonding pad is formed on one surface of the antenna, and the second bonding pad is formed on one surface of the printed circuit board to face the first bonding pad. It is characterized by being formed.
  • the antenna is characterized in that bonded to the support formed in the housing.
  • the support portion is formed of a plurality of unit supports spaced apart along the inner circumferential surface of the housing, wherein a part of the edge of one surface of the antenna is one of the unit supports It is characterized by being joined to the above.
  • the touch sensor and the antenna-embedded electronic device according to the present invention are formed on the printed circuit board and are connected to a third bonding pad connected to the touch sensor driver and a fourth bonding pad formed on the touch sensor. It further comprises a).
  • the touch sensor and the antenna-embedded electronic device according to the present invention may further include a window bonded to the touch sensor.
  • a touch sensor and an antenna-embedded electronic device capable of effectively blocking noise due to interference between the touch sensor driving signal and the antenna transmission / reception signal are provided.
  • FIG. 1 is a conceptual cross-sectional view of a touch sensor and an antenna-embedded electronic device according to an embodiment of the present invention
  • FIG. 2 is a conceptual exploded perspective view of a touch sensor and an antenna-embedded electronic device according to an embodiment of the present invention
  • FIG. 3 is a conceptual cross-sectional view of a touch sensor and an antenna-embedded electronic device according to an embodiment of the present invention.
  • Embodiments according to the inventive concept may be variously modified and may have various forms, so the embodiments are illustrated in the drawings and described in detail herein. However, this is not intended to limit the embodiments in accordance with the concept of the present invention to the specific forms disclosed, it includes all changes, equivalents, or substitutes included in the spirit and scope of the present invention.
  • first or second may be used to describe various components, but the components should not be limited by the terms. The terms are for the purpose of distinguishing one component from another component only, for example, without departing from the scope of rights in accordance with the inventive concept, and the first component may be called a second component and similarly the second component. The component may also be referred to as the first component.
  • FIG. 1 is a conceptual cross-sectional view of a touch sensor and an antenna-embedded electronic device according to an embodiment of the present invention
  • FIG. 2 is a conceptual separated perspective view of the touch sensor and the antenna-embedded electronic device according to an embodiment of the present invention
  • 3 is a conceptual cross-sectional view of a touch sensor and an antenna-embedded electronic device according to an embodiment of the present invention.
  • the present invention can be applied to any electronic device having an antenna for communication with a touch sensor and the outside.
  • the present invention may be applied to various wearable electronic devices such as smart watches, smart bands, and the like, and various mobile communication devices represented by smart phones.
  • an embodiment of the present invention will be described taking the case of being implemented in a smart watch as an example, but it should be understood that the spirit of the present invention is not limited thereto.
  • a touch sensor and an antenna embedded electronic device may include a touch sensor 10, an antenna 20, a printed circuit board 30, a window 40, and a housing ( 50), an anisotropic conductive material layer 60 and FPC (Flexible Printed Circuit 70).
  • the touch sensor 10 detects a position when a user performs an input action such as touching a screen using a finger or a touch pen.
  • the touch sensor 10 may be applied to a capacitive type, a resistive film type, an ultrasonic type, an infrared type, and the like.
  • the user's finger and a dedicated touch pen may be used as input devices. Capacitive methods that allow touch and high resolution are suitable.
  • the touch sensor 10 may be divided into a display area and a non-display area based on whether visual information is displayed.
  • the display area is an area in which an image provided by the device coupled to the touch sensor 10 is displayed, and an area for capacitively detecting a touch signal input from a user.
  • the display area is formed in a direction crossing each other.
  • a touch sensor layer including a plurality of sensing patterns is formed.
  • connection line part electrically connected to the touch sensor layer and a fourth bonding pad 12 electrically connected to the connection line part are formed.
  • the fourth bonding pad 12 is a means for electrical connection with the touch sensor driver 90 mounted on the printed circuit board 30.
  • the fourth bonding pad 12 is connected to an FPC (Flexible Printed Circuit) 70 that transmits a touch signal sensed in the display area to the touch sensor driver 90.
  • the fourth bonding pad 12 has terminals corresponding to the connection lines forming the connection line part.
  • the connecting lines constituting the connecting line portion are electrically connected to corresponding terminals of the fourth bonding pad 12.
  • the terminals provided in the fourth bonding pad 12 are electrically connected to corresponding terminals provided in the FPC 70.
  • the fourth bonding pad 12 and the FPC 70 may be electrically connected and physically connected by being adhered through a conductive adhesive such as an ACF.
  • the antenna 20 is bonded to the touch sensor 10 and performs a function of receiving an external radio signal and wirelessly transmitting an internal signal.
  • the antenna 20 is provided with a first bonding pad 22 for electrical connection with the antenna driver 80 mounted on the printed circuit board 30.
  • the first bonding pad 22 provided in the antenna 20 is connected to the second bonding pad 32 provided in the printed circuit board 30.
  • the first bonding pad 22 and the second bonding pad 22 are provided.
  • the pad 32 is provided with terminals corresponding to each other.
  • a connection configuration of the first bonding pad 22 and the second bonding pad 32 will be described in detail in the process of describing the anisotropic conductive material layer 60.
  • various displays may be provided between the antenna 20 and the touch sensor 10 such as a liquid crystal display, an organic light emitting display, a plasma display, and the like, but in order to explain the technical features of the present invention more effectively. Description of the display device is omitted.
  • the printed circuit board 30 includes an antenna driver 80 for driving the antenna 20 and a touch sensor driver 90 for driving the touch sensor 10 to drive the electronic device according to an embodiment of the present invention. Various drive devices are mounted. If necessary, the printed circuit board 30 may be formed of one or a plurality.
  • the printed circuit board 30 has a second bonding pad 32 electrically connected to the antenna driver 80 and a third bonding pad 34 electrically connected to the touch sensor driver 90. Although briefly described above, the second bonding pad 32 is connected to the first bonding pad 22 provided in the antenna 20, and the third bonding pad 34 is the fourth bonding pad provided in the touch sensor 10. It is connected to the bonding pad 12.
  • the anisotropic conductive material layer 60 is formed on the first bonding pad 22 and the printed circuit board 30 formed on the antenna 20 and electrically connects the second bonding pad 32 connected to the antenna driver 80. At the same time, they connect and physically connect them.
  • the first bonding pad 22 is formed on one surface of the antenna 20, and the second bonding pad 32 is formed on one surface of the printed circuit board 30 to face the first bonding pad 22. It may be configured to.
  • the anisotropic conductive material layer 60 may include an anisotropic conductive film (ACF) or an anisotropic conductive adhesive.
  • ACF anisotropic conductive film
  • the anisotropic conductive film is an anisotropic conductive film in which fine conductive particles 62 are mixed with a polymer material 64 for adhesion such as a resin to form a film, and electrically connected only in a specific direction.
  • the fine conductive particles 62 include Acrylic, Ni, Silicon, Metal, carbon, solder ball, and the like.
  • the anisotropic conductive pressure sensitive adhesive may be formed by adding a conductive pressure sensitive adhesive to both surfaces of the anisotropic conductive film.
  • the FPC 70 is formed on the printed circuit board 30 and connects the third bonding pad 34 connected to the touch sensor driver 90 and the fourth bonding pad 12 formed on the touch sensor 10. .
  • the antenna driver 80 mounted on the antenna 20 and the printed circuit board 30 is connected by using the anisotropic conductive material layer 60, and the FPC 70 is used by using the FPC 70.
  • the touch sensor 10 and the touch sensor driver 90 mounted on the printed circuit board 30 are connected to each other, noise caused by interference between the driving signal of the touch sensor 10 and the transmission / reception signal of the antenna 20 may be effectively blocked.
  • the electrical connection structure of the antenna 20 is simplified, the manufacturing efficiency of the electronic device may be improved, and the product size may be reduced.
  • the touch sensor 10 In the electronic device including the touch sensor 10 and the antenna 20, electrical connection of the touch sensor 10 and electrical connection of the antenna 20 are essential. That is, the touch sensor 10 should be electrically connected to the touch sensor driver 90, and the antenna 20 should be electrically connected to the antenna driver 80.
  • FPCs 70 Conventionally, one or two FPCs 70 have been used as a means for electrical connection to each of the touch sensor 10 and antenna 20.
  • a shielding layer or a shielding line is formed on the laminated structure of the FPC 70 or on the same plane. It must be formed additionally.
  • the structure of the FPC 70 becomes complicated, the manufacturing cost increases, and the signal is not separated to a reliable level.
  • the present invention using the anisotropic conductive material layer 60 to connect the antenna 20 and the antenna driver 80 mounted on the printed circuit board 30, using the FPC 70 touch sensor ( 10) and the touch sensor driver 90 mounted on the printed circuit board 30, the noise due to the interference between the drive signal of the touch sensor 10 and the transmission and reception signal of the antenna 20 can be effectively blocked.
  • the electrical connection structure of the antenna 20 is simplified to improve the manufacturing efficiency of the electronic device and to reduce the product size.
  • the window 40 is bonded to the touch sensor 10 and functions to protect the touch sensor 10 from external factors.
  • the housing 50 accommodates the components of the electronic device according to an embodiment of the present invention.
  • the appearance of the electronic device according to an embodiment of the present invention is determined according to the shape of the housing 50, and the housing 50 may be any shape such as a cylindrical shape having a thin thickness and a hexahedron shape having rounded corners, if necessary. It may have a shape.
  • components such as the touch sensor 10, the antenna 20, the printed circuit board 30, and the window 40 accommodated in the housing 50 may correspond to the shape of the housing 50 to increase the receiving efficiency. It may have a shape.
  • a support part 52 supporting the antenna 20 may be provided on an inner circumferential surface of the housing 50, and the support part 52 may include a plurality of unit support parts formed to be spaced apart from each other. For example, portions of the edges of one surface of the antenna 20 may be bonded to one or more of the unit supports by an adhesive or an adhesive.
  • the anisotropic conductive material layer 60 is used as a means for connecting the first bonding pad 22 formed on the antenna 20 and the second bonding pad 32 formed on the printed circuit board 30.
  • the example has been described.
  • the connecting means of the first bonding pad 22 and the second bonding pad 32 is not limited thereto, and for example, a contact pin may be applied as the connecting means.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Support Of Aerials (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

La présente invention concerne un capteur tactile, un capteur tactile d'un appareil électronique présentant une antenne dans ce dernier, un capteur tactile du dispositif électronique présentant une antenne dans ce dernier, une antenne soudée sur le capteur tactile, une carte de circuits imprimés sur laquelle une unité de pilotage d'antenne destinée à piloter l'antenne et une unité de pilotage de capteur tactile destinée à piloter le capteur tactile sont montées et une couche de matériau conducteur anisotrope destinée à connecter un second plot de soudure formé sur la carte de circuits imprimés et connecté à l'unité de pilotage d'antenne et un premier plot de soudure formé sur l'antenne. La présente invention peut efficacement bloquer le bruit provoqué par une interférence entre un signal de pilotage du capteur tactile et des signaux de réception et de transmission de l'antenne, améliorer l'efficacité de fabrication du dispositif électronique en raison d'une structure de connexion électrique simplifiée de l'antenne et réduire la taille du produit.
PCT/KR2017/001556 2016-02-25 2017-02-13 Dispositif électronique présentant un capteur tactile et une antenne dans ce dernier Ceased WO2017146407A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20-2016-0001012 2016-02-25
KR2020160001012U KR20170003085U (ko) 2016-02-25 2016-02-25 터치 센서와 안테나 내장형 전자 장치

Publications (1)

Publication Number Publication Date
WO2017146407A1 true WO2017146407A1 (fr) 2017-08-31

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PCT/KR2017/001556 Ceased WO2017146407A1 (fr) 2016-02-25 2017-02-13 Dispositif électronique présentant un capteur tactile et une antenne dans ce dernier

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KR (1) KR20170003085U (fr)
TW (1) TWM552133U (fr)
WO (1) WO2017146407A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113360018A (zh) * 2020-03-05 2021-09-07 东友精细化工有限公司 天线封装件和包括该天线封装件的图像显示装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7369457B2 (ja) * 2018-01-19 2023-10-26 タクチュアル ラブズ シーオー． 受信分離を伴うマトリックスセンサ
JP6621502B1 (ja) * 2018-06-22 2019-12-18 レノボ・シンガポール・プライベート・リミテッド 電子機器
CN108877501A (zh) * 2018-07-02 2018-11-23 京东方科技集团股份有限公司 显示面板及其制作方法、显示装置
KR102119346B1 (ko) * 2019-08-22 2020-06-26 고종민 초소형 복합센서 모듈

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KR20130065920A (ko) * 2011-12-12 2013-06-20 엘지이노텍 주식회사 터치 윈도우
KR101301064B1 (ko) * 2013-05-29 2013-08-28 (주)드림텍 플렉서블 안테나 탑재형 ｐｃｂ 모듈
US20140176819A1 (en) * 2012-12-21 2014-06-26 Esat Yilmaz Touch Sensor with Integrated Antenna
KR20150050945A (ko) * 2013-11-01 2015-05-11 에이큐 주식회사 단자부와 안테나 패턴부를 연결하는 장치
KR101570373B1 (ko) * 2009-01-20 2015-11-20 엘지전자 주식회사 이동 단말기

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KR101354292B1 (ko) 2008-05-16 2014-02-05 주식회사 옵솔 터치 패널 일체형 평판 디스플레이 장치
KR101443339B1 (ko) 2008-10-01 2014-09-22 엘지전자 주식회사 휴대단말기, 및 휴대단말기의 안테나 접속장치

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KR101570373B1 (ko) * 2009-01-20 2015-11-20 엘지전자 주식회사 이동 단말기
KR20130065920A (ko) * 2011-12-12 2013-06-20 엘지이노텍 주식회사 터치 윈도우
US20140176819A1 (en) * 2012-12-21 2014-06-26 Esat Yilmaz Touch Sensor with Integrated Antenna
KR101301064B1 (ko) * 2013-05-29 2013-08-28 (주)드림텍 플렉서블 안테나 탑재형 ｐｃｂ 모듈
KR20150050945A (ko) * 2013-11-01 2015-05-11 에이큐 주식회사 단자부와 안테나 패턴부를 연결하는 장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113360018A (zh) * 2020-03-05 2021-09-07 东友精细化工有限公司 天线封装件和包括该天线封装件的图像显示装置
US20220416403A1 (en) * 2020-03-05 2022-12-29 Dongwoo Fine-Chem Co., Ltd. Antenna package and image display device including the same
US12244054B2 (en) * 2020-03-05 2025-03-04 Dongwoo Fine-Chem Co., Ltd. Antenna package and image display device including the same

Also Published As

Publication number Publication date
KR20170003085U (ko) 2017-09-04
TWM552133U (zh) 2017-11-21

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