WO2018152923A1 - 触控面板及其制作方法、触控显示屏 - Google Patents

触控面板及其制作方法、触控显示屏 Download PDF

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Publication number
WO2018152923A1
WO2018152923A1 PCT/CN2017/078632 CN2017078632W WO2018152923A1 WO 2018152923 A1 WO2018152923 A1 WO 2018152923A1 CN 2017078632 W CN2017078632 W CN 2017078632W WO 2018152923 A1 WO2018152923 A1 WO 2018152923A1
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trace
touch
forming
insulating layer
area
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PCT/CN2017/078632
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English (en)
French (fr)
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叶剑
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武汉华星光电技术有限公司
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Priority to JP2019544866A priority Critical patent/JP6882500B2/ja
Priority to US15/535,642 priority patent/US10318055B2/en
Priority to EP17898235.1A priority patent/EP3588252A4/en
Priority to KR1020197026350A priority patent/KR102262952B1/ko
Publication of WO2018152923A1 publication Critical patent/WO2018152923A1/zh

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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
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • 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
    • 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
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Definitions

  • the present invention relates to the field of touch screen technologies, and in particular, to a touch panel, a manufacturing method thereof, and a touch display screen.
  • the inner surface of the visible area of the traditional touch screen is made of transparent conductive material.
  • the surrounding area is made of metal. Because the in-plane and surrounding conductive materials are different materials, they need to be separately and independently produced.
  • the traditional Metal Mesh-based technology is used. For a single-layer conductive layer touch screen, since the in-plane and peripheral traces are all the same metal layer, it is usually necessary to make two metal layer touch/drive electrodes and a metal bridge; and the peripheral trace has only one metal conductive layer, and the peripheral traces The impedance is relatively high.
  • the invention provides a touch panel and a manufacturing method thereof, which reduce the impedance of the peripheral trace and effectively reduce the risk of breakage of the peripheral trace.
  • the application also provides a touch display screen.
  • the touch panel of the present application includes a substrate provided with a touch area and a routing area located at an edge of the touch area, and the substrate is provided with a metal bridge located in the touch area and located in the routing area. a plurality of first traces, wherein the substrate is further formed with an insulating layer covering the metal bridge and the traces, wherein the insulating layer is provided with a plurality of first via holes at the position of the touch area, and corresponding to each of the first strips A second via hole is formed in the position of the trace.
  • the insulating layer is formed with a metal layer.
  • the metal layer includes a plurality of sensing electrodes and a plurality of driving electrodes located in the touch area, and the connection sensing is located at the position of the routing area.
  • the second trace and the third trace are in one-to-one correspondence with the first trace position, and the second trace and the third trace are both Connecting the first trace corresponding thereto through the second via, the plurality
  • the sensing electrode is electrically connected to the metal bridge through the plurality of first via holes.
  • the plurality of the second via holes are spaced apart from each other along the extending direction of each of the first traces on the insulating layer.
  • each of the first vias is located between its corresponding two adjacent sensing electrodes separated by the driving electrodes.
  • the plurality of sensing electrodes are arranged in a matrix, the plurality of driving electrodes are arranged in a matrix, and the plurality of sensing electrodes are insulatively distributed with a plurality of driving electrodes.
  • the method for manufacturing a touch panel according to the present application includes:
  • the plurality of the second via holes are spaced apart from each other along the extending direction of each of the first traces on the insulating layer.
  • each of the first vias is formed between two adjacent sensing electrodes corresponding to the driving electrodes.
  • the step of forming a first trace in the trace region of the substrate while forming a metal bridge in the touch region of the substrate comprises forming a first metal line layer on the substrate, and patterning the first metal layer to form the metal The bridge and the first line.
  • the step of forming a plurality of sensing electrodes, a plurality of driving electrodes, a second trace corresponding to the first trace position, and a third trace on the insulating layer comprising: forming a second metal on the insulating layer a layer, the second metal layer is patterned to form the sensing electrode, the driving electrode, the second trace, and the third trace.
  • the second metal layer forming the sensing electrode is filled with the first via and The metal bridges are connected, and the second metal layer portion forming the second trace and the third trace is filled with the second via and connected to the first trace.
  • the touch display screen of the present application includes a display screen module, and further includes the touch panel described above.
  • the touch panel is stacked on the display module.
  • the trace layer of the trace area is provided with two metal traces separated by an insulating layer and connected through via holes, which is beneficial to reducing the impedance of the traces in the peripheral trace area.
  • the traces located under the insulating layer effectively reduce the risk of problems such as breakage of the traces of the layer due to the protection of the insulating layer, thereby improving product reliability.
  • FIG. 1 is a schematic cross-sectional view of a touch panel of the present invention
  • FIG. 2 is a top plan view of the touch panel shown in FIG. 1;
  • FIG. 3 is a flow chart of a method for fabricating a touch panel of the present invention.
  • the present invention provides a touch panel for touching a device with a touch display.
  • the touch panel includes a substrate 10 having a touch area 11 and a trace area 12 at an edge of the touch area 11.
  • the substrate 10 is provided with a metal bridge 13 in the touch area 11 and a plurality of first traces 14 in the routing area 12, and the substrate 10 is further formed with a cover of the metal bridge 13 and
  • the insulating layer 15 of the first trace 14 is provided with a plurality of first vias 151 at the position of the touch region 11 , and a second via 152 is disposed at a position corresponding to each of the first traces 14 .
  • a metal layer (not labeled) is formed on the insulating layer 15.
  • the metal layer includes a plurality of sensing electrodes 17 located in the touch area 11 and a plurality of driving electrodes 18, and the sensing electrodes 17 are located at the position of the wiring area 12.
  • a second trace 19 and a third trace 20 connecting the drive electrodes 18, the second trace 19 and the third trace 20 are in one-to-one correspondence with the first trace 14, and the second trace 19
  • the third traces 152 are connected to the first traces 14 corresponding thereto through the second vias 152, and the plurality of sensing electrodes 17 pass through the plurality of first vias 151 and the metal bridge 13 Electrical connection.
  • the plurality of sensing electrodes 17 are arranged in a matrix, and it can be considered that the plurality of sensing electrodes 17 are arranged in a plurality of rows along the X-axis direction.
  • the plurality of driving electrodes 18 are arranged in a matrix and can be considered to be arranged in a plurality of rows along the Y-axis direction, and the plurality of sensing electrodes 17 are intermittently insulated from the plurality of driving electrodes 18.
  • Each row of the sensing electrodes 17 is connected through the first via 151 along the X-axis direction, and one row of the second traces 19 is connected to each row of sensing electrodes.
  • One of the third traces 20 is connected to each row of drive electrodes 18 along the Y-axis direction. That is, the number of the first plurality of traces is the same as the total number of the second traces and the third traces, and the number of rows of the sense electrodes is the same as the number of the second traces.
  • Each of the first vias 151 is located between its corresponding two adjacent sensing electrodes 17 separated by the driving electrodes 18, that is, the first vias 151 on the insulating layer 15 are along A first via 151 is provided at a position separated by the driving electrode 18 between each of the two sensing electrodes 17 in the X-axis direction, which can be understood as a position at which the sensing electrode 17 and the driving electrode intersect.
  • the sensing electrode 17 is connected to the metal bridge 13 through the first via 151 to realize electrical connection between the plurality of sensing electrodes 17 in the same row along the X-axis direction.
  • the connecting position of the sensing electrode 17 and the first via 151 may be a plane, that is, the outer surface of the sensing electrode 17 is a complete plane.
  • the sensing electrode 17 and the first via 151 are connected to each other to form a recess in the via direction, as long as the sensing electrode 17 can be connected to the metal bridge 13.
  • a plurality of the second via holes 152 are spaced apart from each other along the extending direction of each of the first traces 14 on the insulating layer 15. That is to say, a plurality of spaced second vias 152 may be disposed on each of the first traces 14, and each of the second traces 19 is connected to the corresponding first trace 14 through the second vias 152. Each of the third traces 20 is connected to its corresponding first trace 14 through the second via 152.
  • the second trace 19 is disposed above and below the corresponding first trace 14
  • the third trace 20 is stacked on top of and below the corresponding first trace 14 , and is protected by an insulating layer and passed through
  • the via holes are electrically connected to each other, even if the trace of the trace area is a two-layer structure, the impedance of the second trace 19 and the third trace 20 in the reduced trace area is reduced, and the first trace below the insulating layer 15 is Due to the protection of the insulating layer 15, the wire 14 effectively reduces the risk of problems such as wire breakage in the layer, thereby improving product reliability.
  • the first trace is used to electrically connect each electrode to the main control board.
  • the present invention further provides a method for manufacturing a touch panel, the method comprising:
  • step S1 a plurality of first traces 14 are formed in the wiring region 12 of the substrate 10 while the metal gate 13 is formed in the touch region 11 of the substrate 10.
  • the method further includes forming a first metal line layer on the substrate 10, and patterning the first metal layer to form the metal bridge 13 and the first trace 14.
  • Step S2 forming an insulating layer 15 covering the metal bridge 13 and the first trace 14; wherein the insulating layer covers the touch area 11 and the trace area 12 of the substrate.
  • the insulating layer 15 covers the first trace 14 to protect it, reducing the risk of problems such as first trace breakage.
  • step S3 a plurality of first via holes 151 are formed on the insulating layer 15 at a position relative to the touch control region 11, and a second via hole 152 is formed at a position opposite to each of the first traces 14, wherein each of the holes
  • the number of the second via holes 20 on the first trace 14 is not limited, and it is preferable to provide a plurality of intervals, so that connection stability can be ensured.
  • step S4 a plurality of sensing electrodes 17, a plurality of driving electrodes 18, a second trace 19 corresponding to the position of the first trace 14, and a third trace 20 are formed on the insulating layer 15. And connecting the sensing electrode to the metal bridge through a first via 151 corresponding thereto; the second trace 19 and the third trace 20 are connected to the corresponding first trace 14 through the second via 152 .
  • the second metal layer portion forming the sensing electrode 17 is filled with the first via hole 151 and connected to the metal bridge 13, and the second metal layer portion forming the second trace and the third trace is filled with the second via hole 152. Connected to the first trace 14.
  • the double-layer traces are formed without increasing the manufacturing steps, the impedance of the traces is reduced, and the stability of the traces is improved.
  • the present invention also provides a touch display screen comprising a display screen module and the touch panel, wherein the touch panel is stacked on the display screen module.

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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)
  • Computer Networks & Wireless Communication (AREA)
  • Position Input By Displaying (AREA)
  • Push-Button Switches (AREA)

Abstract

本发明提供一种触控面板，包括设有触控区及位于触控区边缘的走线区的基板，基板上设有位于所述触控区的金属桥及位于所述走线区的多条第一走线，所述基板上还形成有覆盖所述金属桥及第一走线的绝缘层，绝缘层上位于触控区位置设有数个第一过孔，且对应每一条第一走线的位置均设有第二过孔，绝缘层上形成有金属层，金属层包括位于触控区的多个感应电极、多个驱动电极，位于走线区位置的连接感应电极的第二走线及连接驱动电极的第三走线，第二走线与第三走线与第一走线位置一一对应，第二走线与第三走线均通过第二过孔连接与其对应的第一走线，数个感应电极通过数个第一过孔与金属桥电连接。本发明还提供一种制作方法及触控显示屏。

Description

触控面板及其制作方法、触控显示屏
本发明要求2017年2月23日递交的发明名称为“触控面板及其制作方法、触控显示屏”的申请号2017101013074的在先申请优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及触摸屏技术领域，尤其涉及一种触控面板及其制作方法、触控显示屏。
背景技术
传统触摸屏的可视区面内电极为透明的导电等材质，四周走线区为金属材质，由于面内及周边导电材料是不同的材料，因此需要分开独立制作；而传统的基于Metal Mesh工艺的单层导电层触摸屏，由于面内及周边走线均为同一金属层，因此通常需要制作两次金属层触控/驱动电极及金属桥；而周边走线只有一层金属导电层，周边走线的阻抗比较高。
发明内容
本发明提供一种减小周边走线阻抗，有效降低了周边走线断裂风险的触控面板及制作方法。
本申请还提供一种触控显示屏。
本申请所述的触控面板包括设有触控区及位于触控区边缘的走线区的基板，所述基板上设有位于所述触控区的金属桥及位于所述走线区的多条第一走线，所述基板上还形成有覆盖所述金属桥及走线的绝缘层，所述绝缘层上位于触控区位置设有数个第一过孔，且对应每一条第一走线的位置均设有第二过孔，所述绝缘层上形成有金属层，所述金属层包括位于触控区的多个感应电极、多个驱动电极，位于走线区位置的连接感应电极的第二走线及连接驱动电极的第三走线，所述第二走线与第三走线与第一走线位置一一对应，并且所述第二走线与第三走线均通过所述第二过孔连接与其对应的所述第一走线，所述数个 感应电极通过所述数个第一过孔与所述金属桥电连接。
其中，所述绝缘层上沿着每一所述第一走线延伸方向间隔设置数个所述第二过孔。
其中，每一所述第一过孔位于与其对应的被所述驱动电极隔开的两个相邻的感应电极之间。
其中，所述数个感应电极成矩阵排列，所述数个驱动电极成矩阵排列，并且所述数个感应电极与数个驱动电极交叉绝缘分布。
本申请所述的触控面板制作方法，所述方法包括：
在基板的触控区形成金属桥的同时在基板的走线区形成数条第一走线；
形成覆盖所述金属桥及所述第一走线的绝缘层；
在所述绝缘层上相对所述触控区的位置形成数个第一过孔，相对每一所述第一走线的位置形成第二过孔；
在所述绝缘层上形成数个感应电极、数个驱动电极、对应第一走线位置的第二走线及第三走线，并且使所述感应电极通过与其对应的第一过孔与所述金属桥连接；第二走线与第三走线通过第二过孔与其对应的所述第一走线连接。
其中，所述绝缘层上沿着每一所述第一走线延伸方向间隔设置数个所述第二过孔。
其中，每一所述第一过孔形成于与其对应的被所述驱动电极隔开的两个相邻的感应电极之间。
其中，所述步骤在基板的触控区形成金属桥的同时在基板的走线区形成第一走线包括在所述基板上形成第一金属线层，图案化第一金属层形成所述金属桥及所述第一走线。
其中，所述步骤在所述绝缘层上形成数个感应电极、数个驱动电极、对应第一走线位置的第二走线及第三走线包括，在所述绝缘层上形成第二金属层，图案化所述第二金属层形成所述感应电极、驱动电极、第二走线及第三走线，在形成的过程中，形成感应电极的第二金属层部分充满第一过孔与金属桥连接，形成第二走线及第三走线的第二金属层部分充满第二过孔与第一走线连接。
本申请所述的触控显示屏，包括显示屏模组，还包括以上所述的触控面板， 所述触控面板层叠于所述显示屏模组上。
本申请所述的触控面板中，所述走线区的走线层设置有由绝缘层隔绝的两层金属走线并通过过孔连接，有利于减小周边走线区走线的阻抗，同时位于绝缘层下方的走线由于绝缘层的保护，有效降低了该层走线断裂等问题的风险，进而提高产品可靠性。
附图说明
为更清楚地阐述本发明的构造特征和功效，下面结合附图与具体实施例来对其进行详细说明。
图1是本发明触控面板的剖面示意图；
图2是图1所示的触控面板的俯视图；
图3是本发明触控面板制作方法流程图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。其中，附图仅用于示例性说明，表示的仅是示意图，不能理解为对本专利的限制。
请参阅图1与图2，本发明提供一种触控面板，用于触控具有触控显示屏的设备。所述触控面板包括设有触控区11及位于触控区11边缘的走线区12的基板10。所述基板10上设有位于所述触控区11的金属桥13及位于所述走线区12的多条第一走线14，所述基板10上还形成有覆盖所述金属桥13及第一走线14的绝缘层15，所述绝缘层15上位于触控区11位置设有数个第一过孔151，且对应每一条第一走线14的位置均设有第二过孔152。所述绝缘层15上形成有金属层(图未标)，所述金属层包括位于触控区11的多个感应电极17、多个驱动电极18，位于走线区12位置的连接感应电极17的第二走线19及连接驱动电极18的第三走线20，所述第二走线19与第三走线20与第一走线14位置一一对应，并且所述第二走线19与第三走线20均通过所述第二过孔152连接与其对应的所述第一走线14，所述数个感应电极17通过所述数个第一过孔151与所述金属桥13电连接。
本实施例中，所述数个感应电极17成矩阵排列，可以认为沿着X轴方向多行设置。所述数个驱动电极18成矩阵排列，可以认为是沿着Y轴方向多行设置，并且所述数个感应电极17与数个驱动电极18交叉绝缘分布。沿着X轴方向每一行感应电极17通过第一过孔151连接，并且每一行感应电极连接有一条所述第二走线19。沿着Y轴方向每一行驱动电极18连接有一条所述第三走线20。也就是说，所述数条第一走线的数量与第二走线及第三走线的总和数量相同，并且感应电极的行数与所述第二走线数量相同。
每一所述第一过孔151位于与其对应的被所述驱动电极18隔开的两个相邻的感应电极17之间，也就是，所述绝缘层15上的第一过孔151沿着X轴方向每两个感应电极17之间被驱动电极18隔开的位置设置有第一过孔151，可以理解为感应电极17与驱动电极交叉位置。所述感应电极17通过第一过孔151与所述金属桥13连接，实现沿着X轴方向同一行的数个感应电极17之间的电连接。
所述感应电极17与所述第一过孔151连接位置可以是平面，也就是说所述感应电极17的外部表面为完整的平面。或者所述感应电极17与所述第一过孔151连接位置为向所述过孔方向形成凹部，只要可以使感应电极17与金属桥13连接即可。
本实施例中，所述绝缘层15上沿着每一所述第一走线14延伸方向间隔设置数个所述第二过孔152。也就是说每一条第一走线14上可以设置多个间隔的第二过孔152，每一条第二走线19通过第二过孔152与其对应的第一走线14连接。每一条第三走线20通过第二过孔152与其对应的第一走线14连接。
也就是说，所述第二走线19与其对应的第一走线14上下层叠设置，所述第三走线20与其对应的第一走线14上下层叠设置，中间通过绝缘层隔离保护并通过过孔相互电连接，即使走线区的走线为双层结构，有减小的走线区内第二走线19与第三走线20的阻抗，同时位于绝缘层15下方的第一走线14由于绝缘层15的保护，有效降低了该层走线断裂等问题的风险，进而提高产品可靠性。其中，所述第一走线用于将各个电极电连接至主控板。
请一并参阅图1、图2与图3，本发明还提供一种触控面板制作方法，所述方法包括：
步骤S1，在基10的触控区11形成金属桥13的同时在基板10的走线区12形成数条第一走线14。主要包括在所述基板10上形成第一金属线层，图案化第一金属层形成所述金属桥13及所述第一走线14。
步骤S2，形成覆盖所述金属桥13及所述第一走线14的绝缘层15；其中所述绝缘层整面覆盖所述基板的触控区11及走线区12。所述绝缘层15覆盖所述第一走线14，对其起到保护作用，降低了第一走线断裂等问题的风险。
步骤S3，在所述绝缘层15上相对所述触控区11的位置形成数个第一过孔151，相对每一所述第一走线14的位置形成第二过孔152，其中每一个第一走线14上的第二过孔20数量不限，优选的为间隔设置多个，这样可以保证连接稳定性。
步骤S4，在所述绝缘层15上形成数个感应电极17、数个驱动电极18、对应第一走线14位置的第二走线19及第三走线20。并且使所述感应电极通过与其对应的第一过孔151与所述金属桥连接；第二走线19与第三走线20通过第二过孔152与其对应的所述第一走线14连接。本步骤包括，在所述绝缘层15上形成第二金属层，通过光罩等图案化工艺使所述第二金属层形成所述感应电极、驱动电极、第二走线及第三走线，在形成的过程中，形成感应电极17的第二金属层部分充满第一过孔151与金属桥13连接，形成第二走线及第三走线的第二金属层部分充满第二过孔152与第一走线14连接。
本触控面板制作方法中，在不增加制作步骤的前提下，形成双层的走线，减小了走线的阻抗，提高走线使用稳定性。
本发明还提供一种触控显示屏，其包括显示屏模组及所述的触控面板，所述触控面板层叠于所述显示屏模组上。
以上所述是本发明的优选实施例，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (13)

  1. 一种触控面板，所述触控面板包括设有触控区及位于触控区边缘的走线区的基板，其中，所述基板上设有位于所述触控区的金属桥及位于所述走线区的多条第一走线，所述基板上还形成有覆盖所述金属桥及第一走线的绝缘层，所述绝缘层上位于触控区位置设有数个第一过孔，且对应每一条第一走线的位置均设有第二过孔，所述绝缘层上形成有金属层，所述金属层包括位于触控区的多个感应电极、多个驱动电极，位于走线区位置的连接感应电极的第二走线及连接驱动电极的第三走线，所述第二走线与第三走线与第一走线位置一一对应，并且所述第二走线与第三走线均通过所述第二过孔连接与其对应的所述第一走线，所述数个感应电极通过所述数个第一过孔与所述金属桥电连接。
  2. 如权利要求1所述的触控面板，其中，所述绝缘层上沿着每一所述第一走线延伸方向间隔设置数个所述第二过孔。
  3. 如权利要求2所述的触控面板，其中，每一所述第一过孔位于与其对应的被所述驱动电极隔开的两个相邻的感应电极之间。
  4. 如权利要求3所述的触控面板，其中，所述数个感应电极成矩阵排列，所述数个驱动电极成矩阵排列，并且所述数个感应电极与数个驱动电极交叉绝缘分布。
  5. 一种触控面板制作方法，其中，所述方法包括：
    在基板的触控区形成金属桥的同时在基板的走线区形成数条第一走线；
    形成覆盖所述金属桥及所述第一走线的绝缘层；
    在所述绝缘层上相对所述触控区的位置形成数个第一过孔，相对每一所述第一走线的位置形成第二过孔；
    在所述绝缘层上形成数个感应电极、数个驱动电极、对应第一走线位置的第二走线及第三走线，并且使所述感应电极通过与其对应的第一过孔与所述金属桥连接；第二走线与第三走线通过第二过孔与其对应的所述第一走线连接。
  6. 如权利要求5所述的触控面板制作方法，其中，所述绝缘层上沿着每一所述第一走线延伸方向间隔设置数个所述第二过孔。
  7. 如权利要求6所述的触控面板制作方法，其中，每一所述第一过孔形 成于与其对应的被所述驱动电极隔开的两个相邻的感应电极之间。
  8. 如权利要求5所述的触控面板制作方法，其中，所述步骤在基板的触控区形成金属桥的同时在基板的走线区形成第一走线包括在所述基板上形成第一金属线层，图案化第一金属层形成所述金属桥及所述第一走线。
  9. 如权利要求5所述的触控面板制作方法，其中，所述步骤在所述绝缘层上形成数个感应电极、数个驱动电极、对应第一走线位置的第二走线及第三走线包括，在所述绝缘层上形成第二金属层，图案化所述第二金属层形成所述感应电极、驱动电极、第二走线及第三走线，在形成的过程中，形成感应电极的第二金属层部分充满第一过孔与金属桥连接，形成第二走线及第三走线的第二金属层部分充满第二过孔与第一走线连接。
  10. 一种触控显示屏，包括显示屏模组，其中，还包括触控面板，所述触控面板层叠于所述显示屏模组上，所述触控面板包括设有触控区及位于触控区边缘的走线区的基板，所述基板上设有位于所述触控区的金属桥及位于所述走线区的多条第一走线，所述基板上还形成有覆盖所述金属桥及第一走线的绝缘层，所述绝缘层上位于触控区位置设有数个第一过孔，且对应每一条第一走线的位置均设有第二过孔，所述绝缘层上形成有金属层，所述金属层包括位于触控区的多个感应电极、多个驱动电极，位于走线区位置的连接感应电极的第二走线及连接驱动电极的第三走线，所述第二走线与第三走线与第一走线位置一一对应，并且所述第二走线与第三走线均通过所述第二过孔连接与其对应的所述第一走线，所述数个感应电极通过所述数个第一过孔与所述金属桥电连接。
  11. 如权利要求10所述的触控显示屏，其中，所述绝缘层上沿着每一所述第一走线延伸方向间隔设置数个所述第二过孔。
  12. 如权利要求11所述的触控显示屏，其中，每一所述第一过孔位于与其对应的被所述驱动电极隔开的两个相邻的感应电极之间。
  13. 如权利要求12所述的触控显示屏，其中，所述数个感应电极成矩阵排列，所述数个驱动电极成矩阵排列，并且所述数个感应电极与数个驱动电极交叉绝缘分布。
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