WO2020037829A1 - Capacitive touch screen - Google Patents

Capacitive touch screen Download PDF

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Publication number
WO2020037829A1
WO2020037829A1 PCT/CN2018/113651 CN2018113651W WO2020037829A1 WO 2020037829 A1 WO2020037829 A1 WO 2020037829A1 CN 2018113651 W CN2018113651 W CN 2018113651W WO 2020037829 A1 WO2020037829 A1 WO 2020037829A1
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WIPO (PCT)
Prior art keywords
touch screen
capacitive touch
circuit board
flexible circuit
copper foil
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PCT/CN2018/113651
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French (fr)
Chinese (zh)
Inventor
马正
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广州视源电子科技股份有限公司
广州视睿电子科技有限公司
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Publication of WO2020037829A1 publication Critical patent/WO2020037829A1/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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits

Definitions

  • the utility model relates to the technical field of touch screens, in particular to a capacitive touch screen.
  • a copper foil is provided between the lower surface of the flexible circuit board and the conductive medium, and the upper surface is directly in contact with the conductive medium. Because the capacitive touch screen is affected by external forces, The internal stress generated on the lower surface of the flexible circuit board is greater than the upper surface. In addition, the bonding force between the conductive medium and the substrate of the flexible circuit board is large, and the bonding force with the copper foil is small. Therefore, the external force or the conductive medium has a low temperature. When shrinking, the copper foil will separate from the conductive medium and cause a gap, which will cause the circuit of the capacitive touch screen to be disconnected and the function to fail.
  • the present utility model provides a capacitive touch screen.
  • the capacitive touch screen has stable performance, is not easily damaged, and has a long service life.
  • the present invention provides a capacitive touch screen including a flexible circuit board and a conductive medium filled above and below the flexible circuit board.
  • the flexible circuit board includes a substrate, and the upper surface of the substrate is covered with A first copper foil in contact with the conductive medium.
  • the flexible circuit board is provided with leads.
  • the lead is led out from the first copper foil.
  • the lower surface of the substrate is covered with a second copper foil that is in contact with the conductive medium, and the leads are led out from the second copper foil.
  • the substrate is provided with a through hole penetrating from an upper surface to a lower surface, the through hole is filled with the conductive medium, and the first copper foil and the second copper foil pass through the through holes.
  • the conductive medium filled in the hole is electrically connected.
  • the flexible circuit board is provided with an opening for filling the conductive medium.
  • the capacitive touch screen further includes a nano silver wire conductive layer, the nano silver wire conductive layer is disposed below the flexible circuit board, and the nano silver wire conductive layer and the flexible circuit board Filled with the conductive medium.
  • the substrate is a PET substrate.
  • the conductive medium is a conductive silver paste.
  • the capacitive touch screen provided by the utility model includes a flexible circuit board and a conductive medium filled above and below the flexible circuit board.
  • the flexible circuit board includes a substrate, and an upper surface of the substrate is covered with a first copper foil in contact with the conductive medium.
  • the first copper foil and the conductive medium will not Separation occurs.
  • the separation of the lower surface of the substrate from the conductive medium will not cause the circuit of the capacitive touch screen to be disconnected, and will not affect the normal use of the capacitive touch screen. Therefore, the structure of the flexible circuit board improves the stability of the capacitive touch screen. Compared with the prior art, the capacitive touch screen is not easily damaged and has a long service life.
  • FIG. 1 is a schematic structural diagram of a capacitive touch screen according to the first embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a capacitive touch screen according to a second embodiment of the present invention.
  • Flexible circuit board 1a, substrate, 1a1, through hole, 1b, first copper foil, 1c, second copper foil, 11, open hole, 2.
  • conductive layer of nano silver wire 3. conductive medium.
  • an embodiment of the present invention provides a capacitive touch screen, which mainly includes a flexible circuit board 1 and a nano silver wire conductive layer 2.
  • the nano silver wire conductive layer 2 is disposed below the flexible circuit board 1, and the flexible circuit board 1
  • There are openings 11 for filling the conductive medium 3 the conductive medium 3 is filled from the openings 11, and the space between the nano-silver wire conductive layer 2 and the flexible circuit board 1 is filled, and the conductive medium 3 is from the openings 11
  • the overflow also forms a covering of the conductive medium 3 on the flexible circuit board 1.
  • the flexible circuit board 1 includes a base material 1a, and an upper surface of the base material 1a is covered with a first copper foil 1b that is in contact with the conductive medium 3. Leads of the flexible circuit board 1 are led out from the first copper foil 1b.
  • the structure of the flexible circuit board 1 improves the stability of the capacitive touch screen. Compared with the prior art, the capacitive touch screen is not easily damaged and has a long service life.
  • this embodiment is different from the first embodiment in that the lower surface of the substrate 1 a in this embodiment is also covered with a second copper foil 1 c that is in contact with the conductive medium 3.
  • the leads of the flexible circuit board 1 are The second copper foil 1c is led out, and the substrate 1a is provided with a through hole 1a1 penetrating from the upper surface to the lower surface.
  • the through hole 1a1 may be a circular hole or an arc-shaped hole.
  • a copper foil 1b and a second copper foil 1c are electrically connected through the conductive medium 3 filled in the through hole 1a1. Based on the above structure, on the one hand, the first copper foil 1b is not separated from the conductive medium 3, which ensures that the circuit of the capacitive touch screen is conductive.
  • the second copper foil 1c is separated from the conductive medium 3
  • the first copper foil 1b and the second copper foil 1c are conductive with each other, so that the circuit of the capacitive touch screen will not be disconnected, and it will not affect the normal use of the capacitive touch screen. Therefore, similar to the effect achieved by the structure of the flexible circuit board 1 in Embodiment 1, the structure of the upper and lower double-layer copper foils improves the stability of the capacitive touch screen. Compared with the prior art, the capacitive touch screen is not easily damaged and has a long service life. .
  • the substrate 1a mentioned in the above two embodiments uses a PET (Polyethyleneterephthalate) substrate
  • the conductive medium 3 uses a conductive silver paste having excellent conductivity.
  • an embodiment of the present invention provides a capacitive touch screen, which includes a flexible circuit board 1 and a conductive medium 3 filled above and below the flexible circuit board 1.
  • the flexible circuit board 1 includes a substrate 1a, and an upper surface of the substrate 1a is covered.
  • the first copper foil 1b or the upper and lower surfaces are covered with the first copper foil 1b and the second copper foil 1c, respectively.
  • the capacitive touch screen has stable performance, is not easily damaged, and has a long service life.
  • first, second and the like are used in the present utility model to describe various kinds of information, but the information should not be limited to these terms, these terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as “second” information
  • second information may also be referred to as “first” information.

Abstract

The present utility model provides a capacitive touch screen, comprising a flexible circuit board and a conducting medium filled above and below the flexible circuit board, wherein the flexible circuit board comprises a base material, and a first copper foil which is in contact with the conducting medium covers an upper surface of the base material. Based on the structure, and in conjunction with the feature that an internal stress generated by a lower surface of the flexible circuit board is greater than that of an upper surface thereof, under the influence of an external force and an environmental stress or when low temperature shrinkage occurs in the conducting medium, the first copper foil and the conducting medium cannot be separated, and the separation of a lower surface of the base material and the conducting medium cannot cause the disconnection of a circuit of the capacitive touch screen, with no influence on the normal use of the capacitive touch screen. Therefore, such a structure of a flexible circuit board improves the stability of a capacitive touch screen. Compared with the prior art, the capacitive touch screen cannot be easily damaged, and has a long service life.

Description

一种电容触摸屏Capacitive touch screen 技术领域Technical field
本实用新型涉及触摸屏技术领域，尤其涉及一种电容触摸屏。The utility model relates to the technical field of touch screens, in particular to a capacitive touch screen.
背景技术Background technique
现有的大尺寸(55寸及以上)电容触摸屏，其柔性电路板的下表面与导电介质之间设有铜箔，而上表面则直接与导电介质相接触，由于电容触摸屏在受到外力影响时，柔性电路板下表面产生的内部应力大于上表面，再加上导电介质与柔性电路板基材的结合力大，而与铜箔的结合力小，因而在外力的影响下或导电介质发生低温收缩时，铜箔会与导电介质发生分离并产生间隙，进而导致电容触摸屏的电路断开，功能失效。For existing large-size (55-inch and above) capacitive touch screens, a copper foil is provided between the lower surface of the flexible circuit board and the conductive medium, and the upper surface is directly in contact with the conductive medium. Because the capacitive touch screen is affected by external forces, The internal stress generated on the lower surface of the flexible circuit board is greater than the upper surface. In addition, the bonding force between the conductive medium and the substrate of the flexible circuit board is large, and the bonding force with the copper foil is small. Therefore, the external force or the conductive medium has a low temperature. When shrinking, the copper foil will separate from the conductive medium and cause a gap, which will cause the circuit of the capacitive touch screen to be disconnected and the function to fail.
发明内容Summary of the Invention
为解决上述技术问题，本实用新型提供一种电容触摸屏，该电容触摸屏性能稳定，不易损坏，使用寿命长。In order to solve the above technical problems, the present utility model provides a capacitive touch screen. The capacitive touch screen has stable performance, is not easily damaged, and has a long service life.
基于此，本实用新型提供了一种电容触摸屏，包括柔性电路板以及填充于所述柔性电路板上方和下方的导电介质，所述柔性电路板包括基材，所述基材的上表面覆盖有与所述导电介质相接触的第一铜箔。Based on this, the present invention provides a capacitive touch screen including a flexible circuit board and a conductive medium filled above and below the flexible circuit board. The flexible circuit board includes a substrate, and the upper surface of the substrate is covered with A first copper foil in contact with the conductive medium.
作为优选方案，所述柔性电路板设有引线。As a preferred solution, the flexible circuit board is provided with leads.
作为优选方案，所述引线从所述第一铜箔引出。As a preferred solution, the lead is led out from the first copper foil.
作为优选方案，所述基材的下表面覆盖有与所述导电介质相接触的第二铜箔，所述引线从所述第二铜箔引出。As a preferred solution, the lower surface of the substrate is covered with a second copper foil that is in contact with the conductive medium, and the leads are led out from the second copper foil.
作为优选方案，所述基材设有从上表面贯通至下表面的通孔，所述通孔内填充有所述导电介质，所述第一铜箔和所述第二铜箔通过所述通孔内填充的导电介质电连接。As a preferred solution, the substrate is provided with a through hole penetrating from an upper surface to a lower surface, the through hole is filled with the conductive medium, and the first copper foil and the second copper foil pass through the through holes. The conductive medium filled in the hole is electrically connected.
作为优选方案，所述柔性电路板设有用于灌入所述导电介质的开孔。As a preferred solution, the flexible circuit board is provided with an opening for filling the conductive medium.
作为优选方案，所述电容触摸屏还包括有纳米银线导电层，所述纳米银线导电层设于所述柔性电路板的下方，且所述纳米银线导电层与所述柔性电路板 之间填充有所述导电介质。As a preferred solution, the capacitive touch screen further includes a nano silver wire conductive layer, the nano silver wire conductive layer is disposed below the flexible circuit board, and the nano silver wire conductive layer and the flexible circuit board Filled with the conductive medium.
作为优选方案，所述基材为PET基材。As a preferred solution, the substrate is a PET substrate.
作为优选方案，所述导电介质为导电银浆。As a preferred solution, the conductive medium is a conductive silver paste.
实施本实用新型实施例，具有如下有益效果：The implementation of the embodiments of the utility model has the following beneficial effects:
本实用新型提供的电容触摸屏包括柔性电路板以及填充于柔性电路板上方和下方的导电介质，柔性电路板包括基材，基材的上表面覆盖有与导电介质相接触的第一铜箔。基于上述结构，再结合柔性电路板下表面产生的内部应力大于上表面的特点，从而在外力、环境应力的影响下或导电介质发生低温收缩时，一方面，第一铜箔与导电介质不会发生分离，另一方面，基材下表面与导电介质的分离不会造成电容触摸屏的电路断开，对电容触摸屏的正常使用无影响。因此，柔性电路板的此种结构提高了电容触摸屏的稳定性，跟现有技术相比，该电容触摸屏不易损坏，使用寿命长。The capacitive touch screen provided by the utility model includes a flexible circuit board and a conductive medium filled above and below the flexible circuit board. The flexible circuit board includes a substrate, and an upper surface of the substrate is covered with a first copper foil in contact with the conductive medium. Based on the above structure, combined with the characteristics that the internal stress generated on the lower surface of the flexible circuit board is greater than the upper surface, so that under the influence of external forces and environmental stresses or when the conductive medium shrinks at low temperature, on the one hand, the first copper foil and the conductive medium will not Separation occurs. On the other hand, the separation of the lower surface of the substrate from the conductive medium will not cause the circuit of the capacitive touch screen to be disconnected, and will not affect the normal use of the capacitive touch screen. Therefore, the structure of the flexible circuit board improves the stability of the capacitive touch screen. Compared with the prior art, the capacitive touch screen is not easily damaged and has a long service life.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本实用新型实施例一的电容触摸屏的结构示意图。FIG. 1 is a schematic structural diagram of a capacitive touch screen according to the first embodiment of the present invention.
图2是本实用新型实施例二的电容触摸屏的结构示意图。FIG. 2 is a schematic structural diagram of a capacitive touch screen according to a second embodiment of the present invention.
附图标记说明：Reference sign description:
1、柔性电路板，1a、基材，1a1、通孔，1b、第一铜箔，1c、第二铜箔，11、开孔，2、纳米银线导电层，3、导电介质。1. Flexible circuit board, 1a, substrate, 1a1, through hole, 1b, first copper foil, 1c, second copper foil, 11, open hole, 2. conductive layer of nano silver wire, 3. conductive medium.
具体实施方式detailed description
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative labor shall fall within the protection scope of the present invention.
在本实用新型实施例的描述中，需要理解的是，术语“上”、“下”、“左”、“右”、“顶”、“底”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不 能理解为对本实用新型的限制。In the description of the embodiments of the present utility model, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom" and the like are based on the drawings The orientation or position relationship shown is only for the convenience of describing the present invention and simplified description, and does not indicate or imply that the device or element referred to must have a specific orientation, structure and operation in a specific orientation, so it cannot be understood as Limitations of utility models.
实施例一Example one
如图1所示，本实用新型实施例提供一种电容触摸屏，主要包括柔性电路板1和纳米银线导电层2，纳米银线导电层2设于柔性电路板1的下方，柔性电路板1上设有用于灌入导电介质3的开孔11，导电介质3从开孔11灌入，将纳米银线导电层2与柔性电路板1之间填充满，并且，导电介质3从开孔11溢出，在柔性电路板1的上方也形成导电介质3的覆盖。柔性电路板1包括基材1a，基材1a的上表面覆盖有与导电介质3相接触的第一铜箔1b，柔性电路板1的引线从第一铜箔1b引出。As shown in FIG. 1, an embodiment of the present invention provides a capacitive touch screen, which mainly includes a flexible circuit board 1 and a nano silver wire conductive layer 2. The nano silver wire conductive layer 2 is disposed below the flexible circuit board 1, and the flexible circuit board 1 There are openings 11 for filling the conductive medium 3, the conductive medium 3 is filled from the openings 11, and the space between the nano-silver wire conductive layer 2 and the flexible circuit board 1 is filled, and the conductive medium 3 is from the openings 11 The overflow also forms a covering of the conductive medium 3 on the flexible circuit board 1. The flexible circuit board 1 includes a base material 1a, and an upper surface of the base material 1a is covered with a first copper foil 1b that is in contact with the conductive medium 3. Leads of the flexible circuit board 1 are led out from the first copper foil 1b.
基于上述结构，由于电容触摸屏在受到外力影响时，柔性电路板1下表面产生的内部应力大于上表面，从而在外力、环境应力的影响下或导电介质3发生低温收缩时，一方面，第一铜箔1b与导电介质3不会发生分离，保证了电容触摸屏的电路导通，另一方面，基材1a下表面与导电介质3的分离不会造成电容触摸屏的电路断开，对电容触摸屏的正常使用无影响。因此，柔性电路板1的此种结构提高了电容触摸屏的稳定性，跟现有技术相比，该电容触摸屏不易损坏，使用寿命长。Based on the above structure, when the capacitive touch screen is affected by an external force, the internal stress generated on the lower surface of the flexible circuit board 1 is greater than the upper surface, so that under the influence of external forces and environmental stresses or when the conductive medium 3 contracts at low temperature, on the one hand, The copper foil 1b and the conductive medium 3 will not be separated to ensure the circuit of the capacitive touch screen. On the other hand, the separation of the lower surface of the substrate 1a and the conductive medium 3 will not cause the circuit of the capacitive touch screen to be disconnected. Normal use has no effect. Therefore, the structure of the flexible circuit board 1 improves the stability of the capacitive touch screen. Compared with the prior art, the capacitive touch screen is not easily damaged and has a long service life.
实施例二Example two
如图2所示，本实施例与实施例一的区别在于，本实施例中基材1a的下表面还覆盖有与导电介质3相接触的第二铜箔1c，柔性电路板1的引线从第二铜箔1c引出，基材1a设有从上表面贯通至下表面的通孔1a1，通孔1a1可以为环形孔，也可以为弧形孔，通孔1a1内填充有导电介质3，第一铜箔1b和第二铜箔1c通过通孔1a1内填充的导电介质3电连接。基于上述结构，一方面，第一铜箔1b与导电介质3不会发生分离，保证了电容触摸屏的电路导通，另一方面，虽然第二铜箔1c与导电介质3发生了分离，但是由于第一铜箔1b与第二铜箔1c之间是相互导通的，从而不会造成电容触摸屏的电路断开，对电容触摸屏的正常使用无影响。因此，与实施例一中的柔性电路板1结构所达到的效果一样，上下双层铜箔的结构提高了电容触摸屏的稳定性，跟现有技术相比，该电容触摸屏不易损坏，使用寿命长。As shown in FIG. 2, this embodiment is different from the first embodiment in that the lower surface of the substrate 1 a in this embodiment is also covered with a second copper foil 1 c that is in contact with the conductive medium 3. The leads of the flexible circuit board 1 are The second copper foil 1c is led out, and the substrate 1a is provided with a through hole 1a1 penetrating from the upper surface to the lower surface. The through hole 1a1 may be a circular hole or an arc-shaped hole. A copper foil 1b and a second copper foil 1c are electrically connected through the conductive medium 3 filled in the through hole 1a1. Based on the above structure, on the one hand, the first copper foil 1b is not separated from the conductive medium 3, which ensures that the circuit of the capacitive touch screen is conductive. On the other hand, although the second copper foil 1c is separated from the conductive medium 3, The first copper foil 1b and the second copper foil 1c are conductive with each other, so that the circuit of the capacitive touch screen will not be disconnected, and it will not affect the normal use of the capacitive touch screen. Therefore, similar to the effect achieved by the structure of the flexible circuit board 1 in Embodiment 1, the structure of the upper and lower double-layer copper foils improves the stability of the capacitive touch screen. Compared with the prior art, the capacitive touch screen is not easily damaged and has a long service life. .
另外，需要指出的是，上述两个实施例中提到的基材1a采用PET(Polyethylene terephthalate)基材，导电介质3采用传导性能优越的导电银 浆。In addition, it should be noted that the substrate 1a mentioned in the above two embodiments uses a PET (Polyethyleneterephthalate) substrate, and the conductive medium 3 uses a conductive silver paste having excellent conductivity.
综上，本实用新型实施例提供一种电容触摸屏，包括柔性电路板1以及填充于柔性电路板1上方和下方的导电介质3，柔性电路板1包括基材1a，基材1a的上表面覆盖有第一铜箔1b或上下表面分别覆盖有第一铜箔1b和第二铜箔1c。跟现有技术相比，该电容触摸屏性能稳定，不易损坏，使用寿命长。In summary, an embodiment of the present invention provides a capacitive touch screen, which includes a flexible circuit board 1 and a conductive medium 3 filled above and below the flexible circuit board 1. The flexible circuit board 1 includes a substrate 1a, and an upper surface of the substrate 1a is covered. The first copper foil 1b or the upper and lower surfaces are covered with the first copper foil 1b and the second copper foil 1c, respectively. Compared with the prior art, the capacitive touch screen has stable performance, is not easily damaged, and has a long service life.
应当理解的是，本实用新型中采用术语“第一”、“第二”等来描述各种信息，但这些信息不应限于这些术语，这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本实用新型范围的情况下，“第一”信息也可以被称为“第二”信息，类似的，“第二”信息也可以被称为“第一”信息。It should be understood that the terms "first", "second" and the like are used in the present utility model to describe various kinds of information, but the information should not be limited to these terms, these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as "second" information, and similarly, the "second" information may also be referred to as "first" information.
以上所述是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和变形，这些改进和变形也视为本实用新型的保护范围。The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and deformations can be made. These improvements and deformations It is also regarded as the protection scope of the present invention.

Claims (9)

  1. 一种电容触摸屏，其特征在于，包括柔性电路板以及填充于所述柔性电路板上方和下方的导电介质，所述柔性电路板包括基材，所述基材的上表面覆盖有与所述导电介质相接触的第一铜箔。A capacitive touch screen includes a flexible circuit board and a conductive medium filled above and below the flexible circuit board. The flexible circuit board includes a substrate, and an upper surface of the substrate is covered with the conductive substrate. The first copper foil in contact with the dielectric.
  2. 根据权利要求1所述的电容触摸屏，其特征在于，所述柔性电路板设有引线。The capacitive touch screen according to claim 1, wherein the flexible circuit board is provided with leads.
  3. 根据权利要求2所述的电容触摸屏，其特征在于，所述引线从所述第一铜箔引出。The capacitive touch screen according to claim 2, wherein the lead is led out from the first copper foil.
  4. 根据权利要求2所述的电容触摸屏，其特征在于，所述基材的下表面覆盖有与所述导电介质相接触的第二铜箔，所述引线从所述第二铜箔引出。The capacitive touch screen according to claim 2, wherein a lower surface of the base material is covered with a second copper foil in contact with the conductive medium, and the lead wires are led out from the second copper foil.
  5. 根据权利要求4所述的电容触摸屏，其特征在于，所述基材设有从上表面贯通至下表面的通孔，所述通孔内填充有所述导电介质，所述第一铜箔和所述第二铜箔通过所述通孔内填充的导电介质电连接。The capacitive touch screen according to claim 4, wherein the substrate is provided with a through hole penetrating from an upper surface to a lower surface, and the through hole is filled with the conductive medium, the first copper foil and The second copper foil is electrically connected through a conductive medium filled in the through hole.
  6. 根据权利要求1所述的电容触摸屏，其特征在于，所述柔性电路板设有用于灌入所述导电介质的开孔。The capacitive touch screen according to claim 1, wherein the flexible circuit board is provided with an opening for filling the conductive medium.
  7. 根据权利要求1所述的电容触摸屏，其特征在于，所述电容触摸屏还包括有纳米银线导电层，所述纳米银线导电层设于所述柔性电路板的下方，且所述纳米银线导电层与所述柔性电路板之间填充有所述导电介质。The capacitive touch screen according to claim 1, wherein the capacitive touch screen further comprises a nano silver wire conductive layer, the nano silver wire conductive layer is disposed below the flexible circuit board, and the nano silver wire The conductive layer and the flexible circuit board are filled with the conductive medium.
  8. 根据权利要求1-7任一项所述的电容触摸屏，其特征在于，所述基材为PET基材。The capacitive touch screen according to any one of claims 1 to 7, wherein the substrate is a PET substrate.
  9. 根据权利要求1-7任一项所述的电容触摸屏，其特征在于，所述导电介质为导电银浆。The capacitive touch screen according to any one of claims 1 to 7, wherein the conductive medium is a conductive silver paste.
PCT/CN2018/113651 2018-08-23 2018-11-02 Capacitive touch screen WO2020037829A1 (en)

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CN201821371634.8U CN208969640U (en) 2018-08-23 2018-08-23 A kind of capacitance touch screen
CN201821371634.8 2018-08-23

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0927665A (en) * 1995-07-10 1997-01-28 Sony Chem Corp Constant-resistance flexible circuit board and manufacture thereof
CN206461832U (en) * 2017-02-07 2017-09-01 苏州维信电子有限公司 It is adapted to the FPC of high density winding displacement
CN206461831U (en) * 2017-02-07 2017-09-01 苏州维信电子有限公司 Double-faced flexible wiring board
CN107172808A (en) * 2016-03-08 2017-09-15 讯芯电子科技（中山）有限公司 Two-sided direct copper plating ceramic circuit board and its manufacture method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0927665A (en) * 1995-07-10 1997-01-28 Sony Chem Corp Constant-resistance flexible circuit board and manufacture thereof
CN107172808A (en) * 2016-03-08 2017-09-15 讯芯电子科技（中山）有限公司 Two-sided direct copper plating ceramic circuit board and its manufacture method
CN206461832U (en) * 2017-02-07 2017-09-01 苏州维信电子有限公司 It is adapted to the FPC of high density winding displacement
CN206461831U (en) * 2017-02-07 2017-09-01 苏州维信电子有限公司 Double-faced flexible wiring board

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