KR20080092633A - Touch screen - Google Patents

Touch screen Download PDF

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Publication number
KR20080092633A
KR20080092633A KR1020070036213A KR20070036213A KR20080092633A KR 20080092633 A KR20080092633 A KR 20080092633A KR 1020070036213 A KR1020070036213 A KR 1020070036213A KR 20070036213 A KR20070036213 A KR 20070036213A KR 20080092633 A KR20080092633 A KR 20080092633A
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South Korea
Prior art keywords
electrode
fpcb
ito
film
connector
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KR1020070036213A
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Korean (ko)
Inventor
이주현
김태환
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주식회사 협진아이엔씨
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Priority to KR1020070036213A priority Critical patent/KR20080092633A/en
Publication of KR20080092633A publication Critical patent/KR20080092633A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds

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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)

Abstract

A touch screen is provided to minimize the width and minimize an incorrect operation area of an electrode part by forming the electrode part with an FPCB(Flexible Printed Circuit Board) electrode and a film electrode. A signal electrode of an electrode part is an FPCB electrode(110) integrally formed with a connector. A sensing electrode of the electrode part is a film electrode(120) painted on an ITO(Indium Tin Oxide) film(200) with silver paste. An FPCB connector(111) is formed to the inside of a corner of the FPCB electrode. A film connector(121) matched with the FPCB connector is formed to the outside of the film electrode. The FPCB connector and the film connector are electrically connected with ACA(Anisotropic Conductive Adhesive). The width and the line width of the FPCB electrode are wide as much as the line width of an electrode line. An electrode insulation layer is formed to an upper side of the electrode line. A ground electrode is formed to the upper side of the electrode insulation layer. A shield coating part is formed to the upper side of the ground electrode in parallel to the upper surface of the ITO film.

Description

터치스크린{Touch screen}Touch screen {Touch screen}

도 1 은 본 발명에 따른 일 실시 예를 보인 분해 예시도.1 is an exploded view showing an embodiment according to the present invention.

도 2 는 본 발명에 따른 일 실시 예를 보인 사시도.2 is a perspective view showing an embodiment according to the present invention.

도 3 은 본 발명에 따른 일 실시 예를 보인 측 단면도.Figure 3 is a side cross-sectional view showing an embodiment according to the present invention.

도 4 는 본 발명의 실시에 있어 4 illustrates the practice of the present invention.

투레이어(2 layer)방식에 따른 실시 예를 보인 분해 사시도.An exploded perspective view showing an embodiment according to a two-layer method.

도 5 는 도 4 의 투레이어방식에 따른 측 단면도.5 is a side cross-sectional view of the two-layer method of FIG. 4.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

110 : FPCB전극 111 : FPCB접속부110: FPCB electrode 111: FPCB connection

120 : 피막전극 121 : 피막접속부120: film electrode 121: film connection

130 : 전극절연층130: electrode insulating layer

140 : 접지전극140: ground electrode

150 : 차폐코팅부150: shielding coating

160 : FPCB절연층160: FPCB insulation layer

200 : ITO 300 : 이방성 도전 접착제200: ITO 300: anisotropic conductive adhesive

본 발명은 터치스크린에 관한 것으로, 더욱 상세하게는 전극부 중 신호전극은 연결 커넥터와 일체로 형성된 FPCB전극과 감지전극은 ITO에 페인팅된 피막전극으로 구성하고, 상기 피막전극과 FPCB전극의 접속이 이방성 도전 접착제(ACA)에 의하여 이루어지게 구성하여서 선로 폭을 최소하고 비감지 영역을 최소화할 수 있도록 하며, FPCB전극의 상측에 접지전극과 차폐코팅부를 형성하여서 ITO 표면 돌출부가 형성되는 것을 방지할 수 있도록 함을 목적을 것이다.The present invention relates to a touch screen, and more particularly, the signal electrode of the electrode portion is formed of the FPCB electrode and the sensing electrode integrally formed with the connection connector and the coating electrode painted on the ITO, the connection between the film electrode and the FPCB electrode It is made of an anisotropic conductive adhesive (ACA) to minimize the line width and minimize the non-sensing area, and to form the ground electrode and the shield coating on the upper side of the FPCB electrode to prevent the formation of the ITO surface protrusions. It is intended to be.

일반적으로, 터치스크린은 디스플레이에 표시되어 있는 버튼을 손가락으로 접촉하는 것만으로 컴퓨터를 대화적, 직감적으로 조작함으로써 남녀노소 누구나 쉽게 사용할 수 있는 입력장치이다.In general, a touch screen is an input device that can be easily used by anyone of all ages by interactively and intuitively manipulating a computer by simply touching a button displayed on a display with a finger.

이상과 같은 터치스크린은 저항막방식과 정전용량방식, 적외선방식, 초음파 방식 등이 사용되고 있으며 현재로 저항막방식이 대세를 이루고 있고 그 두께를 최소화함에 있어서는 정전용량방식이 사용되고 있다.Resistive film method, capacitive method, infrared method, ultrasonic method and the like are used as the touch screen as described above, and the resistive film method is generally used and the capacitive method is used to minimize the thickness thereof.

여기서, 상기 정전용량방식의 터치스크린은 그 구조가 도전투광판으로 이루어진 ITO와, 상기 ITO의 테두리에 은분페인트를 페인트 형성한 전극부와, 상기 전극부의 하부를 절연하는 절연코팅부와, 상기 전극부의 터치로 인한 오동작을 방지하기 위하여 상면에 전극부의 상측에 코팅된 차폐코팅부로 구성되는 것이다.The capacitive touch screen may include an ITO structure having a conductive floodlight plate, an electrode portion having a silver powder painted on the edge of the ITO, an insulating coating portion for insulating the lower portion of the electrode portion, and the electrode. In order to prevent malfunction due to the touch of the negative portion is to be composed of a shielding coating coated on the upper side of the electrode.

한편, 상기 ITO는 투광성 수지로 이루어진 ITO필름과, 상기 ITO필름의 하부에 도전성 물질이 코팅 형성된 ITO코팅층으로 구성되는 것이다.On the other hand, the ITO is composed of an ITO film made of a light-transmissive resin, and an ITO coating layer having a conductive material coated on the lower portion of the ITO film.

또한, 상기 정전용량방식의 터치스크린은 그 적용에 있어서, X축과 Y축의 전극부를 하나의 ITO에 형성한 원레이어(1 layer)방식과, 상기 X축의 전극부와 Y축의 전극부를 각각의 ITO에 형성하여서, 상기 ITO를 복층으로 형성한 투레이어(2 layer)어 방식으로 개발되어 사용되고 있으며, 그 두께를 최소화하기 위하여 하나의 ITO로만 이루어진 원레이어 방식이 중점적으로 개발되고 있는 실정이다.In addition, in the application of the capacitive touch screen, the one-layer method in which the electrode portions of the X-axis and the Y-axis are formed in one ITO, and the electrode portions of the X-axis and the Y-axis electrode portions are each ITO. It is formed in the, is developed and used in a two-layer (two-layer) method of forming the ITO in multiple layers, in order to minimize the thickness of the one-layer method consisting of only one ITO is currently being developed.

상기한 바와 같은 종래의 정전용량방식의 터치스크린은 손가락으로 ITO의 상면을 터치하게 되면 손가락을 통하여 정전용량의 변동에 따라 4변에 구비된 X축의 전극부와 Y축의 전극부가 이를 감지함으로써 터치 위치를 감지할 수 있도록 하는 것이다.In the conventional capacitive touch screen as described above, when the upper surface of the ITO is touched by a finger, the X-axis electrode unit and the Y-axis electrode unit provided at four sides according to the variation of capacitance through the finger sense the touch position. To be detected.

그러나, 상기한 바와 같은 종래의 터치스크린은 전극부가 은분페인팅에 의하여 형성되어 있어 그 선로 폭이 넓어 감지가 되지 않은 오동작 영역이 넓게 형성되는 문제점이 있었다.However, the conventional touch screen as described above has a problem in that the electrode part is formed by silver painting, so that the width of the line is wide so that a malfunction area that is not detected is wide.

또한, 상기 전극부의 터치시 감지로 인한 오동작을 방지하기 위하여 ITO의 표면에 차폐코팅부를 형성하게 되는데, 상기 차페코팅부가 단차를 형성하여 ITO의 상면에 보호필름 층의 형성시 원활한 밀착이 이루어지지 않고 들뜸 현상이 발생하는 등의 문제점이 있었다.In addition, a shield coating is formed on the surface of the ITO in order to prevent a malfunction due to sensing when the electrode is touched. The car coating is formed of a step so that the close contact is not made when the protective film layer is formed on the upper surface of the ITO. There was a problem that the lifting phenomenon occurs.

이에, 본 발명은 상술한 바와 같은 종래의 터치스크린에 있어서 전극부의 폭이 넓게 형성됨으로 인한 오동작 영역이 넓게 형성되는 문제점과 상기 오동작 영역 의 터치시 오동작 감지를 위한 차폐코팅부로 인한 단차가 형성되는 문제점을 해결할 수 있도록 한 것이다.Accordingly, the present invention has a problem in that a malfunction area is formed wide due to the wide width of the electrode in the conventional touch screen as described above, and a step is formed due to a shield coating part for detecting a malfunction when the malfunction area is touched. It is to help solve.

즉, 본 발명은 전극부를 신호전극을 이루며 연결 커넥터와 일체로 형성된 FPCB전극과 감지전극을 이루며 ITO에 페인팅된 피막전극으로 구성하고, 상기 피막전극과 FPCB전의 접속이 이방성 도전 접착제(ACA)에 의하여 이루어지게 구성한 것이다.That is, the present invention consists of a film electrode painted on the ITO, forming a signal electrode, a FPCB electrode and a sensing electrode integrally formed with a connecting connector, and the connection between the film electrode and the FPCB is made by an anisotropic conductive adhesive (ACA). It is configured to be made.

따라서, 본 발명은 전극부를 FPCB전극과 피막전극으로 구성함으로써, 그 폭이 최소화되고 오동작영역이 최소화되는 것이다.Therefore, the present invention is to configure the electrode portion of the FPCB electrode and the film electrode, the width thereof is minimized and the malfunction area is minimized.

이하, 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings as follows.

본 발명은 ITO에 테두리에 형성되는 전극부의 폭을 최소화하여 오동작 영역을 줄이고, 표면 단차를 방지할 수 있도록 한 것이다.The present invention is to minimize the width of the electrode portion formed on the edge of the ITO to reduce the malfunction area, to prevent the surface step.

즉, 본 발명은 도전투광판으로 이루어진 ITO(200)와, 상기 ITO(200)의 테두리에 감지신호를 감지하여 출력할 수 있게 감지전극과 신호전극으로 구성한 전극부와, 상기 전극부의 하부를 절연하는 절연코팅부와, 상기 전극부의 터치로 인한 오동작을 방지하기 위하여 상면에 전극부의 상측에 코팅된 차폐코팅부로 구성되는 터치스크린에 있어서, 전극부 중 신호전극은 연결 커넥터와 일체로 형성된 FPCB전극(110)으로 형성하고 감지전극은 ITO에 은분 페인팅된 피막전극(120)으로 형성하며, 상기 FPCB전극의 모서리 내측에 FPCB접속부(111)를 형성하고, 상기 피막전극의 외측에 상기 FPCB접속부(111)와 대응되는 피막접속부(121)를 형성하며, 상기 FPCB접속부(111)와 피막접속부(121)는 이방성 도전 접착제(ACA)(300)를 매개로 전기적 접속되게 구성한 것이다.That is, the present invention insulates an ITO 200 made of a conductive floodlight plate, an electrode part composed of a sensing electrode and a signal electrode so as to sense and output a sensing signal at an edge of the ITO 200, and a lower portion of the electrode part. In the touch screen consisting of an insulating coating portion and a shielding coating portion coated on the upper side of the electrode portion on the upper surface in order to prevent malfunction due to the touch of the electrode portion, the signal electrode of the electrode portion is formed of an FPCB electrode integrally connected with the connecting connector ( 110 and the sensing electrode is formed of a coated electrode 120 coated with silver powder on ITO, and an FPCB connecting portion 111 is formed inside a corner of the FPCB electrode, and the FPCB connecting portion 111 is formed outside the coating electrode. The film connecting portion 121 is formed to correspond to the FPCB connecting portion 111 and the film connecting portion 121 is configured to be electrically connected through the anisotropic conductive adhesive (ACA) (300).

여기서, 상기 이방성 도전 접착제 (ACA, Anisotropic Conductive Adhesives)는 접착성이 있는 절연물질로 이루어진 절연성 접착제 및 상기 절연성 접착제 내에 분산되어 있는 다수의 도전성 입자를 구성된 것이다.Here, the anisotropic conductive adhesives (ACA) is composed of an insulating adhesive made of an adhesive insulating material and a plurality of conductive particles dispersed in the insulating adhesive.

또한, 상기 FPCB전극(110)은 ITO(200)보다 그 폭과 넓이가 전극선로의 폭 만큼 넓게 형성하고, 전극선로의 상측에 전극절연층(130)을 형성하며 상기 전극절연층(130)의 상측에 접지전극(140)을 형성하고, 상기 접지전극의 상측에 ITO의 상면과 수평을 이루는 차폐코팅부(150)를 형성하여 구성한 것이다.In addition, the FPCB electrode 110 is formed to have a width and a width wider than that of the ITO 200 by the width of the electrode line, an electrode insulating layer 130 is formed on the electrode line, and the electrode insulating layer 130 The ground electrode 140 is formed on the upper side, and the shielding coating unit 150 is formed on the upper side of the ground electrode to be horizontal to the upper surface of the ITO.

한편, 본 발명의 실시에 있어서, 도 1 내지 도 3 에 도시된 바와 같이 X 축의 전극부와 Y 축의 전극부를 하나의 ITO에 형성한 원레이어 방식과 도 4 와 도 5 에 도시된 바와 같이 X축의 전극부와 Y축의 전극부를 각각의 ITO에 형성하여 상기 ITO를 복층으로 형성한 투레이어 방식에 모두 적용하여 실시할 수 있는 것으로서, 본 발명을 투레이어 방식에 적용하게 되며, 도 4 와 도 5 에 도시된 바와 같이 FPCB전극(110)의 하면에 형성되는 FPCB절열층(160)을 중심으로 하여 FPCB전극(110)과 ITO(200)를 대칭을 이루게 구성하여 실시한 것이며, 하층의 FPCB전극(110)의 하면에는 상측부와 대칭을 이루게 전극절연층과 접지전극(140) 및 차폐코팅부(150)가 형성되게 구성한 것이다.Meanwhile, in the practice of the present invention, as shown in FIGS. 1 to 3, the one-layer method in which the electrode portion on the X axis and the electrode portion on the Y axis are formed in one ITO, and the X axis as shown in FIGS. 4 and 5. As the electrode portion and the Y-axis electrode portion are formed in each ITO, the present invention can be applied to the two-layer method in which the ITO is formed in multiple layers, and the present invention is applied to the two-layer method. As illustrated, the FPCB electrode 110 and the ITO 200 are formed symmetrically with respect to the FPCB insulation layer 160 formed on the lower surface of the FPCB electrode 110, and the lower FPCB electrode 110 is formed. The lower surface of the electrode insulating layer, the ground electrode 140 and the shielding coating unit 150 are formed to be symmetrical with the upper side.

이하, 본 발명에 따른 동작과정을 설명하면 다음과 같다.Hereinafter, an operation process according to the present invention will be described.

상기한 바와 같이 터치스크린에 있어서, 전극부 중 신호전극은 연결 커넥터와 일체로 형성된 FPCB전극(110)으로 형성하고 감지전극은 ITO에 은분 페인팅된 피막전극(120)으로 형성하며, 상기 FPCB전극의 모서리 내측에 FPCB접속부(111)를 형성하고, 상기 피막전극의 외측에 상기 FPCB접속부(111)와 대응되는 피막접속부(121)를 형성하며, 상기 FPCB접속부(111)와 피막접속부(121)는 이방성 도전 접착제(ACA)를 매개로 전기적 접속되게 구성한 본 발명을 적용하여 실시하게 되면, 전극부의 폭이 최소화되어 오동작영역이 최소화되고 그 감지영역이 극대화되는 것이다.As described above, in the touch screen, the signal electrode of the electrode portion is formed of the FPCB electrode 110 formed integrally with the connecting connector, the sensing electrode is formed of a film electrode 120 coated with silver powder on the ITO, and of the FPCB electrode An FPCB connecting portion 111 is formed inside a corner, and a film connecting portion 121 corresponding to the FPCB connecting portion 111 is formed outside the film electrode, and the FPCB connecting portion 111 and the film connecting portion 121 are anisotropic. When applying the present invention configured to be electrically connected through the conductive adhesive (ACA), the width of the electrode portion is minimized to minimize the malfunction area and to maximize the detection area.

그리고, 전극부 중 신호전극을 내부저항이 적은 FPCB전극(110)으로 구성함으로써 신호손실이 최소화되고 응답성과 신뢰성이 높아지게 되는 것이다.In addition, by configuring the signal electrode of the electrode portion of the FPCB electrode 110 with low internal resistance, the signal loss is minimized and the response and reliability are increased.

또한, 상기 ITO(200) 보다 그 폭과 길이가 넓게 형성된 FPCB전극(110)의 상측에 접지전극(140)과 차폐코팅부(150)가 형성되고, 상기 차폐코팅부(150)가 ITO(200)의 상면과 수평을 이루게 구성되어 있어 이차 가공과정에 있어 ITO보호층의 형성시 들뜸과 같은 현상이 방지되는 것이다.In addition, the ground electrode 140 and the shielding coating unit 150 are formed on the upper side of the FPCB electrode 110 formed wider and longer than the ITO 200, and the shielding coating unit 150 is formed of ITO 200. It is configured to be parallel to the upper surface of the) to prevent the phenomenon such as lifting during the formation of the ITO protective layer in the secondary processing.

따라서, 본 발명은 전극부를 FPCB전극과 피막전극으로 구성함으로써, 그 폭이 최소화되고 오동작영역이 최소화되는 것이다.Therefore, the present invention is to configure the electrode portion of the FPCB electrode and the film electrode, the width thereof is minimized and the malfunction area is minimized.

그리고, 차폐코팅부가 FPCB전극의 상측에 형성되어 있어 ITO의 상면과 수평을 이루게 형성되며 ITO와 차폐코팅부가 수평을 이루므로 ITO 보호층의 형성시 들 뜸과 같은 제품 불량이 방지되는 것이다.In addition, the shield coating is formed on the upper side of the FPCB electrode is formed to be horizontal to the upper surface of the ITO, and the ITO and the shield coating is horizontal to prevent product defects such as lifting during the formation of the ITO protective layer.

Claims (2)

도전투광판으로 이루어진 ITO(200)와, 상기 ITO(200)의 테두리에 감지신호를 감지하여 출력할 수 있게 감지전극과 신호전극으로 구성한 전극부와, 상기 전극부의 터치로 인한 오동작을 방지하기 위하여 상면에 전극부의 상측에 코팅된 차폐코팅부로 구성되는 터치스크린에 있어서,ITO 200 made of a conductive floodlight plate, an electrode portion consisting of a sensing electrode and a signal electrode to detect and output a sensing signal on the edge of the ITO 200, and to prevent malfunction due to touch of the electrode portion In the touch screen consisting of a shield coating coated on the upper side of the electrode, 전극부 중 신호전극은 연결 커넥터와 일체로 형성된 FPCB전극(110)으로 형성하고 감지전극은 ITO에 은분 페인팅된 피막전극(120)으로 형성하며, 상기 FPCB전극의 모서리 내측에 FPCB접속부(111)를 형성하고, 상기 피막전극의 외측에 상기 FPCB접속부(111)와 대응되는 피막접속부(121)를 형성하며, 상기 FPCB접속부(111)와 피막접속부(121)는 이방성 도전 접착제(ACA)(300)를 매개로 전기적 접속되게 구성한 것을 특징으로 하는 터치스크린.The signal electrode of the electrode part is formed of the FPCB electrode 110 formed integrally with the connecting connector, the sensing electrode is formed of a film electrode 120 coated with silver powder on ITO, and the FPCB connection part 111 is formed inside the corner of the FPCB electrode. And a film connecting portion 121 corresponding to the FPCB connecting portion 111 on an outer side of the film electrode, and the FPCB connecting portion 111 and the coating connecting portion 121 form an anisotropic conductive adhesive (ACA) 300. Touch screen, characterized in that configured to be electrically connected to each other. 제 1 항에 있어서;The method of claim 1; 상기 FPCB전극(110)은 ITO(200)보다 그 폭과 넓이가 전극선로의 폭 만큼 넓게 형성하고, 전극선로의 상측에 전극절연층(130)을 형성하며 상기 전극절연층(130)의 상측에 접지전극(140)을 형성하고, 상기 접지전극의 상측에 ITO의 상면과 수평을 이루는 차폐코팅부(150)를 형성하여 구성한 것을 특징으로 하는 터치스크린.The FPCB electrode 110 is formed to have a width and a width wider than that of the ITO 200 by the width of the electrode line, an electrode insulation layer 130 is formed on the electrode line, and is formed on the electrode insulation layer 130. A touch screen, comprising: a ground electrode (140) formed, and a shield coating (150) formed on the upper side of the ground electrode to be parallel to the upper surface of the ITO.
KR1020070036213A 2007-04-13 2007-04-13 Touch screen KR20080092633A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012008704A2 (en) * 2010-07-12 2012-01-19 일진디스플레이(주) Capacitative touch sensor and capacitative touch panel integerated into a window panel and including same
CN102928675A (en) * 2012-11-19 2013-02-13 天津市中环高科技有限公司 Method for detecting shielding layer of capacitive touch screen
WO2012170399A3 (en) * 2011-06-09 2013-07-04 3M Innovative Properties Company Touch sensitive device with multilayer electrode and underlayer
CN106843616A (en) * 2017-01-03 2017-06-13 京东方科技集团股份有限公司 A kind of touch base plate and preparation method thereof, touch control display apparatus
CN107219949A (en) * 2017-04-28 2017-09-29 深圳市深越光电技术有限公司 A kind of binding technique of touch-screen

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012008704A2 (en) * 2010-07-12 2012-01-19 일진디스플레이(주) Capacitative touch sensor and capacitative touch panel integerated into a window panel and including same
WO2012008704A3 (en) * 2010-07-12 2012-04-05 일진디스플레이(주) Capacitative touch sensor and capacitative touch panel integerated into a window panel and including same
KR101152716B1 (en) * 2010-07-12 2012-06-15 일진디스플레이(주) Capacitive touch sensor and capacitive touch panel of integrated window panel type including the same
CN103052932A (en) * 2010-07-12 2013-04-17 日进显示器株式会社 Capacitative touch sensor and capacitative touch panel integerated into a window panel and including same
TWI464655B (en) * 2010-07-12 2014-12-11 Iljin Display Co Ltd Electrostatic capacitance touch sensor and including the electrostatic capacitance of the touch sensor with a window panel integrated electrostatic capacitance touchpad
WO2012170399A3 (en) * 2011-06-09 2013-07-04 3M Innovative Properties Company Touch sensitive device with multilayer electrode and underlayer
CN102928675A (en) * 2012-11-19 2013-02-13 天津市中环高科技有限公司 Method for detecting shielding layer of capacitive touch screen
CN106843616A (en) * 2017-01-03 2017-06-13 京东方科技集团股份有限公司 A kind of touch base plate and preparation method thereof, touch control display apparatus
CN106843616B (en) * 2017-01-03 2020-05-19 京东方科技集团股份有限公司 Touch substrate, manufacturing method thereof and touch display device
US11360610B2 (en) 2017-01-03 2022-06-14 Boe Technology Group Co., Ltd. Touch control substrate, method for fabricating the same, and touch control display device
CN107219949A (en) * 2017-04-28 2017-09-29 深圳市深越光电技术有限公司 A kind of binding technique of touch-screen

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