WO2018076264A1 - 触摸屏及其制造方法 - Google Patents

触摸屏及其制造方法 Download PDF

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Publication number
WO2018076264A1
WO2018076264A1 PCT/CN2016/103709 CN2016103709W WO2018076264A1 WO 2018076264 A1 WO2018076264 A1 WO 2018076264A1 CN 2016103709 W CN2016103709 W CN 2016103709W WO 2018076264 A1 WO2018076264 A1 WO 2018076264A1
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WIPO (PCT)
Prior art keywords
electrode
pattern
touch screen
irregular edge
substrate
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Ceased
Application number
PCT/CN2016/103709
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English (en)
French (fr)
Inventor
陈刚
包春贵
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Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Technologies Co Ltd
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Application filed by Shenzhen Royole Technologies Co Ltd filed Critical Shenzhen Royole Technologies Co Ltd
Priority to CN201680036286.6A priority Critical patent/CN107820594A/zh
Priority to PCT/CN2016/103709 priority patent/WO2018076264A1/zh
Publication of WO2018076264A1 publication Critical patent/WO2018076264A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • 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
    • G06F3/0416—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 OR CALCULATING; 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
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Definitions

  • the present invention relates to the field of touch sensor manufacturing technologies, and in particular, to a touch screen and a method of fabricating the same.
  • the existing touch screens are generally regular rectangles, and thus the sensing electrodes and the driving electrodes of the touch screen are also arranged in a regular shape, for example, the driving electrodes and the sensing electrodes are arranged in a rectangular shape.
  • the existing processing method is to cut off the excess electrode directly along the irregular edge. This way some of the electrodes are partially cut and some are left behind.
  • the electrode that is cut during the cutting process is prone to damage, and the remaining part may also be cut when the cutting is performed, resulting in failure to work properly, thereby affecting the touch effect at the edge position; Waste.
  • the present application provides a touch screen and a manufacturing method thereof, which prevent the electrodes from being partially cut and cause normal operation, thereby ensuring the touch effect at the edge position.
  • the present application provides a touch screen comprising a substrate, the substrate is provided with an irregular edge, and the substrate is provided with an electrode, the electrode being close to the irregular edge and provided with a spacing between the irregular edge.
  • the substrate is further provided with leads connected to the electrodes, the leads being close to the irregular edges and spaced apart from the irregular edges.
  • Another electrode disposed on the substrate, the other electrode being away from the irregular edge, and the area of the electrode is smaller than the area of the other electrode.
  • the shape of the electrode is different from the shape of the other electrode.
  • one electrode is triangular and the other electrode is diamond shaped.
  • the method further includes a further electrode disposed on the substrate, and the other electrode is adjacent to the irregular edge, and the area of the electrode is larger than the area of the further electrode.
  • the electrode includes a sensing electrode and a driving electrode, the sensing electrode includes a first end near the irregular edge, and the driving electrode includes a second end near the irregular edge, the first end and the irregular edge The distance of the rim is greater than the distance between the second end and the irregular edge.
  • the number of the electrodes is plural, and the shape of the electrodes changes according to the shape of the irregular edge.
  • the touch screen is a flexible touch screen.
  • the irregular edge is curved.
  • the touch screen manufacturing method provided by the present application includes:
  • An electrode is fabricated according to the new electrode arrangement pattern.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • An electrode identical to the above-described new electrode array pattern is formed on the substrate through a mask.
  • the same electrode as the above-mentioned new electrode arrangement pattern is formed on the substrate through the mask, including:
  • the electrode is then patterned by masking the conductive layer.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • a new electrode arrangement pattern is etched on the conductive layer by laser laser.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • the same electrode as the above-described new electrode array pattern is formed directly on the substrate by precision printing.
  • the electrode pattern located on the irregular edge is adjusted, including:
  • the electrode pattern is shortened to form the pitch.
  • the electrode pattern located on the irregular edge is adjusted, including:
  • the electrode pattern located at the irregular edge is removed.
  • the substrate is further provided with another electrode pattern away from the irregular edge, and the area of the other electrode pattern is larger than the area of the adjusted electrode pattern.
  • the method further includes:
  • the lead pattern of the electrode on the irregular edge is adjusted to separate the lead pattern from the irregular edge.
  • the touch screen is a flexible touch screen.
  • the irregular edge is curved.
  • the touch screen manufacturing method provided by the present application adopts an electrode shape that first defines an electrode pattern and then forms a substrate shape adapted to an irregular edge, thereby ensuring that the electrodes at the edge of the touch screen are complete, and avoiding electrode damage caused by cutting the electrode first. It affects the touch effect of the touch screen edge.
  • FIG. 1 is a schematic view of a touch screen of the present invention, specifically illustrating an electrode arrangement on a substrate.
  • FIG. 2 is an illustration of an embodiment of the electrode shape of the touch screen of FIG. 1.
  • FIG. 3 is a flow chart of a method of manufacturing a touch screen of the present invention.
  • the present invention provides a touch screen including a substrate 10, the substrate 10 is provided with an irregular edge 11, and the substrate 10 is provided with an electrode, the electrode is close to the irregular edge 11 and is A spacing is provided between the irregular edges 11.
  • Another electrode is further disposed on the substrate 10, and the other electrode is away from the irregular edge 11, the shape of the electrode is different from the shape of the other electrode; and the area of the electrode is smaller than the area of the other electrode.
  • the substrate 10 is provided with a plurality of first electrodes 12 and a second electrode 13 interposed between each of the two first electrodes 12, the first electrode 12 And/or a spacing is provided between the second electrode 13 and the at least one irregular edge 11.
  • the first electrode 12 and the second electrode 13 are covered with a protective layer.
  • the first electrode 12 is a sensing electrode and the second electrode 13 is a driving electrode.
  • the protective layer is a layer of transparent optical adhesive material and is covered with a flexible or non-flexible cover to protect the first electrode 12 and the second electrode 13.
  • the substrate 10 is a substrate made of a flexible material, so that the touch screen as a whole is also flexible, and can be bent according to actual needs to meet the application requirements of different occasions.
  • the sensing electrode includes a first end proximate the irregular edge
  • the driving electrode includes a second end proximate the irregular edge, the first end being at a greater distance from the irregular edge 11 than the second end is from the irregular edge 11.
  • the sensing electrode having the first end and the driving electrode having the second end respectively refer to the first electrode 12 and the second electrode 13 which are closest to the irregular edge 11 on the leftmost side shown in FIG.
  • the touch screen includes an electrode and another electrode.
  • the electrode is near the irregular edge and the other electrode is away from the irregular edge.
  • the area of the electrode is smaller than the area of the other electrode.
  • the touch screen further includes a further electrode disposed on the substrate 10, and another electrode is adjacent to the irregular edge 11.
  • the area of the electrode is larger than the area of the further electrode.
  • the other electrode and the electrode are the same type of electrodes, that is, the first electrode 12 or the second electrode 13.
  • the electrode and the further electrode refer to the uppermost second electrode 13 and the uppermost left second electrode 13 shown in FIG. 1, respectively.
  • a spacing is provided between the first electrode 12 and the second electrode 13 and the irregular edge 11 , and the spacing is determined to ensure that the irregular edge 11 does not extend to contact with the first electrode 12 and the second electrode 13 and is larger than The safe distance is enough.
  • the irregular edge 11 referred to in the present invention refers to all shapes except a straight line, such as an arc, a wave, a triangle, and the like.
  • the shape or arrangement of the portion of the first electrode 12 close to the irregular edge 11 varies with the shape of the irregular edge 11.
  • the first electrode 12 is a strip electrode and extends along the first direction A.
  • the area of the first electrode 12 adjacent to the irregular edge 11 is smaller than the area of the first electrode 12 away from the irregular edge. . That is, the first electrode 12 near the irregular edge 11 avoids the irregular edge 11 by reducing the area at the position of the irregular edge 11, thereby constituting the pitch.
  • the plurality of first electrodes 12 are sequentially arranged from left to right, and each of the first electrodes is connected to the control chip through a lead 121.
  • the first electrode 12 is a sensing electrode.
  • the second electrode 13 includes a plurality of electrodes arranged in a column smaller than the first electrode 12, and an electrode arrangement or shape close to the irregular edge 11 follows the shape of the irregular edge 11 And change.
  • the second electrode 13 includes a plurality of electrodes 131 arranged in a matrix, and the area of the electrode 131 near the irregular edge 11 is smaller than the area of the electrode 131 away from the irregular edge 11, thereby forming the spacing.
  • the electrode 131 is rectangular, a plurality of electrodes in each column in the matrix are arranged along the first direction, and each column electrode of the second electrode 13 extends along the first direction and is located at every two first Between the electrodes 12.
  • the first electrode 12 is insulated from the second electrode 13.
  • Each of the second electrodes 13 is connected to the control chip via a lead 132.
  • the substrate 10 is further provided with leads 121, 132 connected to the electrodes, and the leads 121, 132 are close to the irregular edge 11 and spaced apart from the irregular edge 11.
  • the leads 121, 132 of the first electrode 12 and the second electrode 13 are spaced apart from the irregular edge 11 to prevent the occurrence of a disconnection from causing failure of the connected first electrode 12 or second electrode 13.
  • the first electrode 12 and the second electrode 13 are plural, and are rectangular or triangular or diamond-shaped, and are regularly arranged, adjacent to the first electrode 12 and the second electrode of the irregular edge 11 .
  • the size and shape vary depending on the degree of irregularity of the irregular edge 11, as long as the first electrode 12 and the second electrode 13 which are spaced apart from the irregular edge 11 are ensured to be intact. In particular, the closer the electrodes 12, 13 are to the irregular edge 11, the smaller the area retained.
  • the first electrode near the irregular edge 11 is directly removed. 12 and the second electrode 13, such that the first electrode 12 and the second electrode 13 located below the removed first electrode 12 and the second electrode 13 also form a pitch. It is also ensured that each of the first electrode 12 and the second electrode 13 is complete.
  • the electrode arrangement and the lead arrangement method of the selected sensing electrode and the driving electrode are applied to the touch screen without the edge rule, and the current edge is cut directly along the irregular edge.
  • the excess electrode is removed and the lead is cut and cannot work normally, it can be ensured that the electrode and the lead of the edge are intact, and the touch effect that affects the edge position is avoided.
  • there is no possibility that the electrode is exposed due to the direct cutting, and the electrode is exposed to the outside, thereby avoiding the situation of easy failure.
  • first electrode 12 and the second electrode 13 are covered with a protective layer to prevent the first electrode 12 and the second electrode 13 from being affected by the external environment.
  • the present application further provides a method for manufacturing the touch screen for manufacturing the same.
  • An electrode is fabricated according to the new electrode arrangement pattern.
  • the touch screen is a flexible touch screen.
  • the irregular edge is curved.
  • Step S1 presetting the arrangement pattern of the first electrode 12 and the second electrode 13 on the substrate 10;
  • Step S2 dividing the irregular edge of the substrate 10;
  • Step S3 adjusting or removing the shape of the first electrode 12 pattern and the second electrode 13 pattern on the irregular edge 11 to form a new electrode arrangement pattern
  • step S4 the first electrode and the second electrode are fabricated according to the electrode arrangement pattern.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • An electrode identical to the above-described new electrode array pattern is formed on the substrate through a mask.
  • the electrode including the first electrode 12 and the second electrode 13 is formed on the substrate 10 by the mask, that is, the conductive layer is patterned by the mask to form the first electrode 12 and Second electrode 13.
  • the first electrode 12 and the second electrode 13 have a spacing from the irregular edge 11.
  • the same electrode as the above-mentioned new electrode arrangement pattern is formed on the substrate 10 through a mask, including:
  • the electrode is then patterned by masking the conductive layer.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • a new electrode arrangement pattern is etched on the conductive layer by laser laser.
  • the electrode is fabricated according to the new electrode arrangement pattern, including:
  • the same electrode as the above-described new electrode array pattern is directly printed on the substrate 10 by precision printing. That is, an electrode including the first electrode 12 and the second electrode 13 which is the same as the electrode array pattern described above is directly printed on the substrate 10 by precision printing.
  • Adjusting the electrode pattern on the irregular edge including:
  • the electrode pattern is shortened to form the pitch.
  • the first electrode 12 and the second electrode 13 located at the irregular edge 11 are different in size or shape from the electrodes at other positions.
  • Adjusting the electrode pattern located on the irregular edge 11 further includes:
  • the electrode pattern located at the irregular edge is removed.
  • the substrate 10 is further provided with another electrode pattern away from the irregular edge 11 , and the area of the other electrode pattern is larger than the area of the adjusted electrode pattern.
  • the method further includes:
  • the lead pattern of the electrode on the irregular edge 11 is adjusted to separate the lead pattern from the irregular edge. Specifically, the step of adjusting the lead according to the adjusted first electrode 12 and second electrode 13 is performed. Since some of the electrodes are not adjusted after adjustment, the leads may still exceed the irregular edges 11, so the leads need to be adjusted for these electrodes so that the leads are also spaced from the irregular edges 11.
  • the irregular edge 11 can be avoided by shortening.
  • the area outside the irregular edge 11 accounts for less than 80% of the original area, and the electrode can be shortened.
  • the limits that are removed or shortened can also be adapted according to actual needs, but preferably do not exceed 80%. That is, if more than 80% of the area is outside the irregular edge, then the electrode is directly removed, otherwise the shortening process is performed.
  • the electrodes are ensured to be enclosed within the protective layer without being exposed. Also, the adjusted leads can be ensured to remain connected.
  • the touch screen manufacturing method provided by the present application firstly defines an electrode pattern and then forms an electrode shape adapted to the shape of the substrate of the irregular edge 11 to avoid electrode damage caused by forming the electrode and then cutting, thereby affecting the edge touch effect of the touch screen.

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  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
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Abstract

一种触摸屏，其包括基板（10），所述基板（10）设有不规则边缘（11），所述基板（10）上设有电极（12，13），所述电极（12，13）靠近所述不规则边缘（11）并与所述不规则边缘（11）之间设有间距。以及一种触摸屏的制造方法。

Description

触摸屏及其制造方法 技术领域
本发明涉及触摸传感器制造技术领域，尤其涉及一种触摸屏及其制造方法。
背景技术
现有的触摸屏一般都是规则的矩形，因而触摸屏的感应电极及驱动电极也是按照规则的形状排列，比如驱动电极和感应电极按照矩形的形状排列。但是，当这种电极排布方式应用于不边缘规则的触摸屏时，现有的处理方式是直接沿着不规则的边缘裁切掉多余的电极。这种方式会导致有些电极被部分裁切，而部分被留下。在裁切过程中被裁切的电极容易发生损坏，并且被留下的部分也有可能在裁切时对应的引线被裁断，导致无法正常工作，从而影响到边缘位置的触摸效果；且会造成排版的浪费。
发明内容
基于上述问题，本申请提供一种触摸屏及其制造方法，避免电极被部分裁切而导致无法正常工作，从而保证边缘位置的触摸效果。
本申请提供一种触摸屏，其包括基板，所述基板设有不规则边缘，所述基板上设有电极，所述电极靠近所不规则边缘并与所述不规则边缘之间设有间距。
其中，基板上还设有与电极连接的引线，引线靠近不规则边缘并与不规则边缘隔开间距。
其中，还包括设于基板上的另一电极，另一电极远离不规则边缘，所述电极的面积小于另一电极的面积。
其中，所述电极的形状不同于另一电极的形状。
其中，所述一电极为三角形，另一电极为菱形。
其中，还包括设于基板上的再一电极，再一电极靠近不规则边缘，所述电极的面积大于再一电极的面积。
其中，所述电极包括感应电极及驱动电极，感应电极包括靠近不规则边缘的第一末端，驱动电极包括靠近不规则边缘的第二末端，第一末端与不规则边 缘的距离大于第二末端与不规则边缘的距离。
其中，所述电极的数量为多个，这些电极的形状跟随所述不规则边缘的形状而变化。
其中，所述触摸屏为柔性触摸屏。
其中，不规则边缘为弧形。
本申请提供的触摸屏制造方法，包括：
在基板上预设电极排列图案；
设置基板的不规则边缘；
对位于所述不规则边缘上的电极图案做调整，使被调整后的电极图案与不规则边缘间隔，形成新的电极排列图案；
根据所述新的电极排列图案制造电极。
其中，根据所述新的电极排列图案制造电极，包括：
根据所述新的电极排列图案制造具有相同图案的掩膜；
通过掩膜在基板上形成与上述新的电极排列图案相同的电极。
其中，通过掩膜在基板上形成与上述新的电极排列图案相同的电极，包括：
在所述基板上通过印刷或镀膜或者涂布方式形成一层导电层，
然后对导电层通过掩膜图案化形成所述电极。
其中，根据所述新的电极排列图案制造电极，包括：
在所述基板上通过印刷或镀膜或者涂布方式形成一层导电层，
通过激光镭射在导电层上蚀刻出新的电极排列图案。
其中，根据所述新的电极排列图案制造电极，包括：
通过精密印刷的方式直接在所述基板上印刷形成与上述新的电极排列图案相同的电极。
其中，对位于所述不规则边缘上的电极图案做调整，包括：
当电极图案位于不规则边缘之外的区域面积占所述电极图案原面积的80％以下时，缩短电极图案而形成所述间距。
其中，对位于所述不规则边缘上的电极图案做调整，包括：
当电极图案位于不规则边缘之外的区域面积占所述电极图案原面积的80％以上，去除位于不规则边缘处的电极图案。
其中，基板上还设有远离不规则边缘的另一电极图案，另一电极图案的面积大于被调整后的电极图案的面积。
其中，对位于所述不规则边缘上的电极图案做调整之后，还包括：
对位于所述不规则边缘上的电极的引线图案做调整，使引线图案与不规则边缘隔开。
其中，所述触摸屏为柔性触摸屏。
其中，不规则边缘为弧形。
本申请提供的触控屏制造方法采用先定义电极图案后再形成适应不规则边缘的基板形状的电极，可以保证触控屏边缘的电极都是完整的，避免先形成电极在裁切造成电极损伤而影响触控屏边缘触控效果。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明触摸屏的示意图，具体示意的是基板上电极排布。
图2是图1所述的触摸屏的电极形状的一实施例意图。
图3是本发明触摸屏制造方法流程图。
具体实施方式
下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述。
请参阅图1，本发明提供一种触摸屏，其包括基板10，所述基板10设有不规则边缘11，所述基板10上设有电极，所述电极靠近所不规则边缘11并与所述不规则边缘11之间设有间距。基板10上还设有另一电极，另一电极远离不规则边缘11，所述电极的形状不同于另一电极的形状；且所述电极的面积小于另一电极的面积。本实施例中，所述基板10上设有数个第一电极12及穿插排列于每两个所述第一电极12之间的第二电极13，所述第一电极12 和/或者第二电极13与所述至少一个不规则边缘11之间设有间距。所述第一电极12及第二电极13上覆盖有保护层。第一电极12为感应电极，第二电极13为驱动电极。保护层是一层透明的光学胶材料，并且贴上柔性或非柔性盖板覆盖在电极上以对第一电极12及第二电极13进行保护。基板10为柔性材料所制造的基板，因而触摸屏整体也为柔性，可以根据实际需求进行弯曲，以适应不同场合的应用需求。
感应电极包括靠近不规则边缘的第一末端，驱动电极包括靠近不规则边缘的第二末端，第一末端与不规则边缘11的距离大于第二末端与不规则边缘11的距离。本实施例中，具有第一末端的感应电极及具有第二末端的驱动电极分别是指图1中所示的最左侧上方的最靠近不规则边缘11第一电极12及第二电极13。
一实施例中，触摸屏包括电极及另一电极。电极靠近不规则边缘，另一电极远离不规则边缘。电极的面积小于另一电极的面积。另一实施例中，触摸屏还包括设于基板10上的再一电极，再一电极靠近不规则边缘11，所述电极的面积大于再一电极的面积。再一电极与电极为同类电极，即同为第一电极12或第二电极13。本实施例中，电极及再一电极分别是指图1中所示的最上方中间的第二电极13及最上方左侧的第二电极13。
所述第一电极12和第二电极13与不规则边缘11之间均设有间距，所述间距的大小只要保证不规则边缘11不延伸至与第一电极12及第二电极13接触且大于安全距离即可。本发明所称不规则边缘11是指除了直线之外的所有形状，比如弧形、波浪形、三角形等等。
所述第一电极12靠近所述不规则边缘11的部分的形状或排列随着所述不规则边缘11的形状而变化。本实施例中，所述第一电极12为条状电极并沿着第一方向A延伸，靠近所述不规则边缘的11所述第一电极12面积小于远离不规则边缘的第一电极12面积。也就是说，靠近不规则边缘11的第一电极12在不规则边缘11的位置通过缩小面积的方式避开不规则边缘11，从而构成所述间距。所述数个第一电极12由左至右依次间隔排列，并且每一第一电极通过引线121连接控制芯片。所述第一电极12为感应电极。
所述第二电极13包括呈列排列的数个小于所述第一电极12的电极，并且靠近所述不规则边缘11的电极排列方式或形状随着所述不规则边缘11的形状 而变化。具体为，所述第二电极13包括呈矩阵排列的数个电极131，并且靠近所述不规则边缘11处的所述电极131面积小于远离不规则边缘11的电极131的面积，进而形成所述间距。所述电极131为矩形，矩阵内的每一列中有多个电极沿着所述第一方向排列，并且所述第二电极13中每一列电极沿着第一方向延伸并且位于每两个第一电极12之间。所述第一电极12与第二电极13绝缘。每一第二电极13通过引线132连接控制芯片。
基板10上还设有与电极连接的引线121、132，引线121、132靠近不规则边缘11并与不规则边缘11隔开间距。第一电极12及第二电极13的引线121、132与不规则边缘11隔开间距，以防止出现断开的情况而导致与连接的第一电极12或第二电极13失效。
请参阅图2，所述第一电极12与第二电极13均为多个，且呈矩形或者三角形或者菱形，并规则排布，靠近所述不规则边缘11的第一电极12及第二电极大小及形状随着不规则边缘11不规则程度而变化，只要保证与不规则边缘11保持间距的第一电极12及第二电极13是完整的即可。特别地，距离不规则边缘11越近的电极12、13，所保留的面积越小。
另一实施例中，在设计过程中，当所述第一电极12及第二电极13有大部分区域超出所述不规则边缘11时，选择直接移除靠近不规则边缘11处的第一电极12及第二电极13，这样位于被移除的第一电极12及第二电极13下方的第一电极12及第二电极13同样会形成间距。并保证每一个第一电极12及第二电极13都是完整的。
本申请所述的触摸屏中，选用的感应电极及驱动电极这种电极排布方式及引线排布方式应用于不边缘规则的触摸屏时，相较于现有的直接沿着不规则的边缘裁切掉多余的电极而导致引线被裁断无法正常工作的情况，可以保证边缘的电极及引线都是完整的，避免影响到边缘位置的触摸效果。并且，也不会产生由于直接裁切导致电极被裁断而裸露在外的情况，从而避免电极裸露在外而造成容易失效的情形。
此外，所述第一电极12及第二电极13上覆盖有保护层，避免第一电极12及第二电极13受到外界环境的影响失灵。
请参阅图3，本申请还提供一种用于制造所述的触摸屏制造方法，
在基板上预设电极排列图案；
设置基板的不规则边缘；
对位于所述不规则边缘上的电极图案做调整，使被调整后的电极图案与不规则边缘间隔，形成新的电极排列图案；
根据所述新的电极排列图案制造电极。本实施例中，所述触摸屏为柔性触摸屏。所述不规则边缘为弧形。
具体实施例如下：
步骤S1，在基板10上预设第一电极12和第二电极13排列图案；
步骤S2，划分基板10的不规则边缘；
步骤S3，对位于所述不规则边缘11上的第一电极12图案与第二电极13图案的形状做调整或者去除，形成新的电极排列图案；
步骤S4，根据所述电极排列图案制造第一电极及第二电极。
一实施例中，根据所述新的电极排列图案制造电极，包括：
根据所述新的电极排列图案制造具有相同图案的掩膜；
通过掩膜在基板上形成与上述新的电极排列图案相同的电极。本实施例中，通过掩膜在基板10上形成与上述电极排列图案相同的包含第一电极12及第二电极13的电极，即对导电层通过掩膜图案化形成所述第一电极12和第二电极13。其中，第一电极12和第二电极13与所述不规则边缘11具有间距。
其中，通过掩膜在基板10上形成与上述新的电极排列图案相同的电极，包括：
在所述基板上通过印刷或镀膜或者涂布方式形成一层导电层，
然后对导电层通过掩膜图案化形成所述电极。
另一实施例中，根据所述新的电极排列图案制造电极，包括：
在所述基板上通过印刷或镀膜或者涂布方式形成一层导电层，
通过激光镭射在导电层上蚀刻出新的电极排列图案。
另一实施例中，根据所述新的电极排列图案制造电极，包括：
通过精密印刷的方式直接在所述基板10上印刷形成与上述新的电极排列图案相同的电极。即通过精密印刷的方式直接在所述基板10上印刷形成与上述电极排列图案相同的包含第一电极12及第二电极13的电极。
对位于所述不规则边缘上的电极图案做调整，包括：
当电极图案位于不规则边缘11之外的区域面积占所述电极图案原面积的80％以下时，缩短电极图案而形成所述间距。如图1-2所示，位于不规则边缘11处的第一电极12及第二电极13与其他位置的电极的大小或形状不同。
对位于所述不规则边缘11上的电极图案做调整，还包括：
当电极图案位于不规则边缘之外的区域面积占所述电极图案原面积的80％以上，去除位于不规则边缘处的电极图案。
其中，基板10上还设有远离不规则边缘11的另一电极图案，另一电极图案的面积大于被调整后的电极图案的面积。
对位于所述不规则边缘上的电极图案做调整之后，还包括：
对位于所述不规则边缘11上的电极的引线图案做调整，使引线图案与不规则边缘隔开。具体的，根据调整后的第一电极12及第二电极13对引线进行调整的步骤。由于有些电极调整之后，如果引线不进行调整，那么引线仍有可能超出不规则边缘11，所以对于这些电极还需要对其引线进行调整，使引线也与不规则边缘11隔开间距。
具体的，对于部分位于不规则边缘11上的第一电极12及第二电极13来说，可以通过缩短的方式来避开不规则边缘11。比如位于不规则边缘11之外的区域面积占原面积的80％以下，可以对电极进行缩短。但如果位于不规则边缘11之外的区域的面积超过原面积的80％，那么剩余的20％面积即使保留也作用不大，触摸感应功能有限，因此可以考虑将此电极全部移除。当然，被移除还是被缩短的界限也可以根据实际需求进行适应性调整，但优选不超过80％。即假如超过80％的面积位于不规则边缘外，那么就直接移除电极，否则做缩短处理。通过被缩短，电极可确保被包围在保护层内而不会裸露。并且，调整之后的引线也可以确保保持连接。
本申请提供的触控屏制造方法采用先定义电极图案后再形成适应不规则边缘11的基板形状的电极，避免先形成电极再裁切造成电极损伤而影响触控屏边缘触控效果。

Claims (20)

  1. 一种触摸屏，其特征在于，包括基板，所述基板设有不规则边缘，所述基板上设有电极，所述电极靠近所不规则边缘并与所述不规则边缘之间设有间距。
  2. 如权利要求1所述的触摸屏，其特征在于，基板上还设有与电极连接的引线，引线靠近不规则边缘并与不规则边缘隔开间距。
  3. 如权利要求1所述的触摸屏，其特征在于，还包括设于基板上的另一电极，另一电极远离不规则边缘，所述电极的面积小于另一电极的面积。
  4. 如权利要求3所述的触摸屏，其特征在于，所述电极的形状不同于另一电极的形状。
  5. 如权利要求4所述的触摸屏，其特征在于，所述一电极为三角形，另一电极为菱形。
  6. 如权利要求1至5任一项所述的触摸屏，其特征在于，还包括设于基板上的再一电极，再一电极靠近不规则边缘，所述电极的面积大于再一电极的面积。
  7. 如权利要求1至5任一项所述的触摸屏，其特征在于，所述电极包括感应电极及驱动电极，感应电极包括靠近不规则边缘的第一末端，驱动电极包括靠近不规则边缘的第二末端，第一末端与不规则边缘的距离大于第二末端与不规则边缘的距离。
  8. 如权利要求1至5任一项所述的触摸屏，其特征在于，所述电极的数量为多个，这些电极的形状跟随所述不规则边缘的形状而变化。
  9. 如权利要求1至5任一项所述的触摸屏，其特征在于，所述触摸屏为柔性触摸屏。
  10. 如权利要求1至5任一项所述的触摸屏，其特征在于，不规则边缘为弧形。
  11. 一种触摸屏制造方法，包括：
    在基板上预设电极排列图案；
    设置基板的不规则边缘；
    对位于所述不规则边缘上的电极图案做调整，使被调整后的电极图案与不规则边缘间隔，形成新的电极排列图案；
    根据所述新的电极排列图案制造电极。
  12. 如权利要求11所述的触摸屏制造方法，其特征在于，根据所述新的电极排列图案制造电极，包括：
    根据所述新的电极排列图案制造具有相同图案的掩膜；
    通过掩膜在基板上形成与上述新的电极排列图案相同的电极。
  13. 如权利要求12所述的触摸屏制造方法，其特征在于，通过掩膜在基板上形成与上述新的电极排列图案相同的电极，包括：
    在所述基板上通过印刷或镀膜或者涂布方式形成一层导电层，
    然后对导电层通过掩膜图案化形成所述电极。
  14. 如权利要求11所述的触摸屏制造方法，其特征在于，根据所述新的电极排列图案制造电极，包括：
    在所述基板上通过印刷或镀膜或者涂布方式形成一层导电层，
    通过激光镭射在导电层上蚀刻出新的电极排列图案。
  15. 如权利要求11所述的触摸屏制造方法，其特征在于，根据所述新的电极排列图案制造电极，包括：
    通过精密印刷的方式直接在所述基板上印刷形成与上述新的电极排列图案相同的电极。
  16. 如权利要求11所述的触摸屏制造方法，其特征在于，对位于所述不规则边缘上的电极图案做调整，包括：
    当电极图案位于不规则边缘之外的区域面积占所述电极图案原面积的80％以下时，缩短电极图案而形成所述间距。
  17. 如权利要求11至16任一项所述的触摸屏制造方法，其特征在于，对位于所述不规则边缘上的电极图案做调整，包括：
    当电极图案位于不规则边缘之外的区域面积占所述电极图案原面积的80％以上，去除位于不规则边缘处的电极图案。
  18. 如权利要求11至16任一项所述的触摸屏制造方法，其特征在于，基板上还设有远离不规则边缘的另一电极图案，另一电极图案的面积大于被调整 后的电极图案的面积。
  19. 如权利要求11至16任一项所述的触摸屏制造方法，其特征在于，对位于所述不规则边缘上的电极图案做调整之后，还包括：
    对位于所述不规则边缘上的电极的引线图案做调整，使引线图案与不规则边缘隔开。
  20. 如权利要求11至16任一项所述的触摸屏制造方法，其特征在于，所述触摸屏为柔性触摸屏，不规则边缘为弧形。
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