WO2021190047A1 - Touch-control module, touch-control display screen, and method for manufacturing touch-control display screen - Google Patents

Touch-control module, touch-control display screen, and method for manufacturing touch-control display screen Download PDF

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Publication number
WO2021190047A1
WO2021190047A1 PCT/CN2020/141297 CN2020141297W WO2021190047A1 WO 2021190047 A1 WO2021190047 A1 WO 2021190047A1 CN 2020141297 W CN2020141297 W CN 2020141297W WO 2021190047 A1 WO2021190047 A1 WO 2021190047A1
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WIPO (PCT)
Prior art keywords
electrode
touch
unit
electrodes
trace
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PCT/CN2020/141297
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French (fr)
Chinese (zh)
Inventor
杨明
张良浩
韩文超
尹晓峰
陈小川
王海生
玄明花
张粲
Original Assignee
京东方科技集团股份有限公司
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Publication of WO2021190047A1 publication Critical patent/WO2021190047A1/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
    • G06F3/0412—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
    • 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
    • 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
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

Definitions

  • the present disclosure relates to the technical field of touch display screens, in particular to a touch control module, a touch display screen, and a manufacturing method of the touch display screen.
  • Some touch display screens in related technologies include a display module and a touch module arranged on the display module.
  • the electrodes and wiring in the touch module usually adopt a mutual-capacitive multilayer design, which leads to a touch display
  • the thickness of the screen is relatively thick, and more manufacturing processes are required, the manufacturing is cumbersome, and the product yield is low.
  • the present disclosure aims to solve at least one of the technical problems existing in the prior art. To this end, the present disclosure is to provide a touch module, which has a small thickness, few manufacturing processes, easy manufacturing, and high product yield.
  • the present disclosure also proposes a touch display screen with the above touch module.
  • the present disclosure also proposes a method for manufacturing the above-mentioned touch display screen.
  • a touch module includes: a touch layer, the touch layer having a single-layer structure and including n rows of touch units sequentially arranged along a first direction, each row of Each touch unit includes a first unit and a second unit arranged in sequence along the first direction, the first unit includes a row of first electrode rows and m first electrode traces, and the first electrode row includes M first electrodes arranged sequentially along the second direction, each of the first electrode traces is connected to one of the first electrodes to form m first signal lines, and the second direction is connected to the The first direction intersects; the second unit includes a row of second electrode rows and j second electrode traces, and the second electrode row includes m groups of second electrode units sequentially arranged along the second direction, m The group of the second electrode units and the m of the first electrodes are arranged opposite to each other along the first direction, and each group of the second electrode units includes j second electrode units arranged in sequence along the second direction.
  • the touch module has a small thickness, few manufacturing processes, easy manufacturing, and high product yield.
  • the widths of the m first electrodes in the first electrode column sequentially decrease along the second direction.
  • the width sides of the m first electrodes in the first unit are aligned, and the m first electrode traces are all located on the same side of the width of the first electrode column.
  • the center positions of the j second electrodes in the second electrode unit are sequentially shifted in the first direction along the second direction.
  • the widths of the j second electrodes in the second electrode unit are the same, and the center positions of every two adjacent second electrodes have the same spacing in the first direction. .
  • each group of the second electrode unit in the second electrode column has the same structure, and the second electrode traces are aligned with each group of the second electrode unit along the second direction. The second electrodes in the same order are connected.
  • the order of the j second electrodes in each group of the second electrode units along the second direction is a first order electrode to a jth order electrode
  • the j of the second electrode traces are respectively a first trace to a first trace
  • the first trace is connected to the first sequence electrode in each group of the second electrode unit
  • the first trace is The j wiring is connected to the j-th order electrode in each group of the second electrode unit, wherein the first wiring and the j-th wiring are respectively located on both sides of the width of the second electrode column.
  • the x-th trace in the second unit is connected to the x-th order electrode in each group of the second electrode unit, and the The x-th trace passes between every two adjacent second electrode units to connect to the two adjacent x-th sequence electrodes, and the x-th trace runs from each x-th sequence electrode.
  • the width of the sequence electrode has an input connection on one side and an output connection on the other side of the width.
  • the structure of each row of the touch unit in the touch layer is the same.
  • the entire touch layer is a single-layer metal grid, and the first electrode, the first electrode trace, the second electrode, and the second electrode trace are all made of The metal grid is composed.
  • the metal mesh is composed of a plurality of mesh units, and some of the mesh units of the plurality of mesh units have short-circuit-proof openings.
  • the grid unit is a polygonal grid, and the break opening is formed on a straight side of the grid unit.
  • a touch display screen includes a display module and a touch module, the display module includes an encapsulation layer, and the touch module is a touch screen according to the embodiment of the first aspect of the present disclosure.
  • the control module, and the touch control layer is arranged on the encapsulation layer.
  • the touch display screen of the embodiment of the second aspect of the present disclosure by providing the touch module of the embodiment of the first aspect, the thickness of the touch screen is small, the manufacturing process is small, the manufacturing is easy, and the product yield is high.
  • the touch display screen is the touch display screen according to the embodiment of the second aspect of the present disclosure
  • the manufacturing method includes the step of: making the encapsulation layer , Making a single-layer metal grid on the encapsulation layer to form the touch control layer.
  • the manufacturing is simple and convenient, the production efficiency is high, and the yield rate is high.
  • the metal grid is manufactured on the encapsulation layer using an exposure process or a screen printing process.
  • FIG. 1 is a schematic plan view of the arrangement of electrodes and traces of a touch layer according to an embodiment of the present disclosure
  • FIG. 2 is a schematic plan view of one row of touch units shown in FIG. 1;
  • Fig. 3 is a partial enlarged view of M1 shown in Fig. 2;
  • FIG. 4 is a partial enlarged view of M2 shown in FIG. 3;
  • FIG. 5 is a partial stacking schematic diagram of part of the structure of the touch display screen according to an embodiment of the present disclosure.
  • FIG. 1 is a schematic plan view of the arrangement of electrodes and traces of a touch layer 100 according to an embodiment of the present disclosure.
  • the touch layer 100 includes n rows of touch units 10 arranged in sequence along a first direction F1 (from left to right as shown in FIG. 1), and the n rows of touch units 10 are arranged along the first direction F1.
  • the touch layer 100 has a single-layer structure, so that n columns of touch units 10 are arranged in the same layer.
  • FIG. 2 is a schematic plan view of a touch unit 10 shown in FIG. 1.
  • each column of touch units 10 includes a first direction F1 (as shown in FIG. 2 from left to right). The direction) is arranged in sequence: the first unit 1 and the second unit 2. Since the touch layer 100 is a single-layer structure, the first unit 1 and the second unit 2 in the n columns of touch units 10 are arranged in the same layer.
  • the first unit 1 includes a first electrode column 1a and m first electrode traces 1b.
  • the row direction from top to bottom as shown in Figure 2
  • Correspondingly connected that is, one first electrode 1a1 is connected to one first electrode wiring 1b to form a first signal line, so m first electrode wirings 1b can form m first signal lines.
  • the second unit 2 includes a row of second electrode rows 2a and j second electrode traces 2b.
  • the m groups of second electrode units 2a0 are arranged in sequence.
  • the m groups of second electrode units 2a0 and m first electrodes 1a1 are arranged opposite to each other along the first direction F1.
  • each first electrode 1a1 corresponds to j second electrodes 2a1
  • m first electrodes 1a1 correspond to mj second electrodes.
  • the electrode 2a1, therefore, M mj
  • the j second electrodes 2a1 in each group of the second electrode unit 2a0 are respectively connected to the j second electrode traces 2b in a one-to-one correspondence, so that each second electrode trace 2b is connected to One second electrode 2a1 in each group of second electrode units 2a0 is respectively connected, so that each second electrode trace 2b is simultaneously connected to m second electrodes 2a1 to form a second signal line, so j second electrodes
  • the wiring 2b can form j second signal lines.
  • each column of touch unit 10 there are m first electrodes 1a1, mj second electrodes 2a1, m first electrode traces 1b, and j second electrodes.
  • the traces 2b so that when the touch layer 100 has n rows of touch units 10, there are n (m+j) touch electrode traces and n (m+mj) touch electrodes.
  • the touch layer 100 of the embodiment of the present disclosure since the number of touch electrode traces (including the first electrode traces 1b and the second electrode traces 2b) is small, when the touch layer 100 is a single layer In the structure, the area occupied by the touch electrode traces is small, which in turn can ensure that the touch electrodes (including the first electrode 1a1 and the second electrode 2a1) can use a larger space, so the touch accuracy of the touch module A can be improved .
  • one of the first electrode 1a1 and the second electrode 2a1 is a touch transmitting electrode, and the other is a touch receiving electrode.
  • one of the first electrode wiring 1b and the second electrode wiring 2b is The touch transmitting electrode trace, and the other is the touch receiving electrode trace.
  • the first electrode 1a1 is a touch emitting electrode
  • the second electrode 2a1 is a touch receiving electrode
  • the first electrode trace 1b is a touch emitting electrode trace
  • the second electrode trace 2b is a touch receiving electrode trace.
  • the first electrode 1a1 is a touch receiving electrode
  • the second electrode trace 2b is a touch emitting electrode trace
  • the first electrode trace 1b is a touch The receiving electrode is routed.
  • each column of touch units 10 includes touch emitting electrodes, touch receiving electrodes, touch emitting electrode traces, and touch receiving electrode traces. Since the touch layer 100 is a single Layer structure, so that all touch emitting electrodes, touch receiving electrodes, touch emitting electrode traces and touch receiving electrode traces in the touch layer 100 are arranged in the same layer, thereby greatly reducing the touch layer The thickness of 100 makes the manufacturing process of the touch layer 100 less, easy to manufacture, and higher product yield.
  • the touch layer 100 since the touch layer 100 according to the embodiment of the present disclosure adopts a single-layer design, the overall thickness of the touch module A is thinner, and fewer manufacturing processes are required, the manufacturing is easy, and the product yield is higher. Moreover, by arranging the first electrode 1a1 and the second electrode 2a1 in the above manner, the total number of the first electrode wiring 1b and the second electrode wiring 2b can be reduced, so that for the single-layer structure of the touch layer 100, By increasing the distribution area of the first electrode 1a1 and the second electrode 2a1, the touch accuracy of the touch module A can be improved.
  • the first electrode 1a1 is used as the touch emitting electrode
  • the second electrode 2a1 is the touch receiving electrode
  • the first electrode trace 1b is the touch emitting electrode trace
  • the second electrode trace 2b is the touch
  • the wiring of the receiving electrode is described as an example. After reading the technical solutions of the present disclosure, those skilled in the art can clearly understand that the second electrode 2a1 is a touch transmitting electrode
  • the first electrode 1a1 is a touch receiving electrode
  • the wiring 2b is a touch transmitting electrode wiring
  • the first electrode wiring 1b is a specific implementation of a touch receiving electrode wiring, which will not be repeated here.
  • the m first electrode columns 1a decreases sequentially along the second direction F2 (the direction from top to bottom as shown in FIG. 2).
  • m first electrodes 1a1 arranged in the second direction F2 in the first electrode column 1a are electrodes TXi-1 and electrode TXi-1, respectively. TXi-2...
  • the electrode TXi-m wherein the width of the electrode TXi-1 is greater than the width of the electrode TXi-2, and the width of the electrode TXi-2 is greater than the width of the electrode TXi-m.
  • the space where the width of the first electrodes 1a1 is reduced can be used to arrange the first electrode traces 1b to ensure The m first electrode traces 1b may be connected to the m first electrodes 1a1 respectively. It is worth noting that the position where the width of the first electrode 1a1 is reduced will form a touch dead zone, which means that the touch dead zone of the first electrode column 1a will increase sequentially along the second direction F2.
  • one first electrode 1a1 is opposed to j second electrodes 2a1 along the first direction F1, so that the number of first electrodes 1a1 can be reduced, thereby reducing the touch blind area to a certain extent. , To ensure the touch effect.
  • the method of reducing the width of the first electrode trace 1b can also be used to further reduce the touch blind area, so as to better ensure the touch effect.
  • the maximum ratio of the touch blind area to the width of the touch electrodes can be reduced below 15%, which can effectively guarantee the touch effect.
  • the width of the first electrode 1a1, the width of the second electrode 2a1, the width of the first electrode trace 1b, and the width of the second electrode trace 2b extend along the second direction F2.
  • the width of the portion refers to the width in the first direction F1
  • the width of the portion of the second electrode trace 2b extending along the first direction F1 refers to the width in the second direction F2.
  • the ratio of the width of the first electrode trace 1b to the width of the widest first electrode 1a1 is not limited. For example, it can be calculated according to the value of m.
  • the widest first electrode The width of 1a1 may be about 4 mm, the width of each first electrode trace 1b is not less than 30 ⁇ m, the value of m may be between 2-10, or the upper limit of the value of m is not limited.
  • the width of the m first electrode traces 1b can be equal or unequal.
  • each first electrode 1a1 phase Compared with the previous first electrode 1a1, the magnitude of the width reduction can be the same, for example, can be equal to the width of one first electrode trace 1b.
  • the width sides of the m first electrodes 1a1 in the first unit 1 are aligned, and the m first electrode traces 1b are all located at the width of the first electrode column 1a.
  • the same side that is, the center line of the first electrode column 1a extending in the second direction F2, and the same side in the first direction F1.
  • it can be located on the first electrode 1a1 except the widest first electrode 1a1.
  • the other side of the width that is, the side that is not aligned).
  • the right edge of the electrode TXi-1, the right edge of the electrode TXi-2, and the right edge of the electrode TXi-m are aligned and located on the same vertical line as the electrode TXi-1.
  • the connected electrode trace TXLi-1, the electrode trace TXLi-2 connected to the electrode TXi-2, and the electrode trace TXLi-m connected to the electrode TXi-m are all located between the electrode TXi-2 and the electrode TXi-m On the left side, and the electrode trace TXLi-1 is aligned with the left side of the electrode TXi-1.
  • the present disclosure is not limited to this, and the m first electrodes 1a1 may also be arranged in other ways.
  • the center sides of the m first electrodes 1a1 in the first unit 1 are aligned.
  • the m first electrode traces 1b are respectively located on both sides of the width of at least one first electrode 1a1 (the embodiment is not shown in the figure), etc., which will not be repeated here.
  • the center positions of the j second electrodes 2a1 in the second electrode unit 2a0 are sequentially shifted in the first direction F1 along the second direction F2. Therefore, the offset position of the second electrode 2a1 can be used to set the second electrode traces 2b to ensure that the j second electrode traces 2b can be connected to the mj second electrodes 2a1 correspondingly.
  • the second electrode column 2a includes m second electrode units 2a0 sequentially arranged along the second direction F2, and each second electrode unit 2a0 It includes j second electrodes 2a1, which are electrode RXi-1, electrode RXi-2, electrode RXi-3...electrode RXi-j, where the center of electrode RXi-1, the center of electrode RXi-2, and electrode RXi- The center of 3 and the center of electrode RXi-j are shifted to the left in turn, or the line connecting the center of RXi-1, the center of electrode RXi-2, the center of electrode RXi-3, and the center of electrode RXi-j Tilt from top to bottom, from right to left.
  • the widths of j second electrodes 2a1 in the second electrode unit 2a0 are the same, and the center positions of every two adjacent second electrodes 2a1 are in the first direction F1.
  • the distances above are all the same, that is, the centers of the j second electrodes 2a1 in the second electrode unit 2a0 are sequentially offset in the first direction F1 along the second direction F2 by the same distance.
  • the width of the electrode RXi-1, the width of the electrode RXi-2, the width of the electrode RXi-3, and the width of the electrode RXi-j are the same, and the center of the electrode RXi-2 is relative to the electrode
  • the center of RXi-1 is offset to the left by L1
  • the center of electrode RXi-3 is offset to the left with respect to the center of electrode RXi-2 is L2
  • the center of electrode RXi-j is relative to the center of electrode RXi-3
  • the ratio of the width of the portion of the second electrode trace 2b extending in the second direction F2 to the width of the second electrode 2a1 is not limited, for example, it can be calculated according to the value of j, for example, in some specific examples ,
  • the width of the second electrode 2a1 can be about 4mm
  • the width of the portion of the second electrode trace 2b extending along the second direction F2 is not less than 30 ⁇ m
  • the value of j can be between 2-10, or the value of j
  • the upper limit is unlimited.
  • the width of the portion of the second electrode trace 2b extending in the first direction F1 is greater than or equal to the width of the portion of the second electrode trace 2b extending in the second direction F2, which is not limited here.
  • each group of second electrode units 2a0 in the second electrode column 2a has the same structure, so that m groups of second electrode units 2a0 are repeatedly arranged in sequence along the second direction F2.
  • the second electrode wiring 2b is connected to the second electrodes 2a1 in the same order along the second direction F2 in each group of second electrode units 2a0, that is, the second electrodes 2a1 in the same order in each group of second electrode units 2a0 It is used to transmit the same signal and is connected to the same second electrode trace 2b.
  • FIG. 1 the example, in the example shown in FIG.
  • the electrode trace RXLi-1 is connected to the electrode RXi-1 in the first order in each group of the second electrode unit 2a0, and the electrode trace RXLi-2 is connected to each group of the second electrode unit 2a0.
  • the electrode RXi-2 in the second order in 2a0 is connected, the electrode trace RXLi-3 is connected to the electrode RXi-3 in the third order in each group of second electrode unit 2a0, and the electrode trace RXLi-j is connected to the second electrode unit in each group.
  • the electrodes RXi-j located in the j-th order in the electrode unit 2a0 are connected. As a result, it is convenient to manufacture and to facilitate the wiring design.
  • the order of the j second electrodes 2a1 in each group of second electrode units 2a0 along the second direction F2 is the first order electrode c1 (as shown in FIG. 2
  • the electrode RXi-1) shown in FIG. 1) to the j-th order electrode cj (the electrode RXi-j shown in FIG. 2), and the j second electrode traces 2b in the second unit 2 are the first traces d1.
  • the electrode trace RXLi-1 as shown in Figure 2) to the j-th trace dj (the electrode trace RXLi-j as shown in Figure 2), the first trace d1 is connected to the first sequence electrode c1 , The j-th trace dj is connected to the j-th order electrode cj, where the first trace d1 (the electrode trace RXLi-1 shown in Figure 2) and the j-th trace dj (as shown in Figure 2)
  • the electrode traces RXLi-j) are respectively located on both sides of the width of the second electrode column 2a in the second unit 2, that is, are respectively located on the center line of the second electrode column 2a extending along the second direction F2 in the first direction F1 On both sides.
  • it is convenient to manufacture, and to facilitate the wiring design, and the occupied space of the second electrode wiring 2b can be reduced, and the touch accuracy can be improved.
  • the other second electrodes 2a1 except for the first order electrode c1 and the j-th order electrode cj are all located on the first trace d1 (as shown in FIG. 2 Between the electrode trace RXLi-1) and the j-th trace dj (the electrode trace RXLi-j shown in Figure 2), and the first trace d1 (the electrode trace shown in Figure 2 RXLi-1) and the j-th trace dj (the electrode trace RXLi-j as shown in FIG.
  • the order of the xth trace dx in the second unit 2 and the second electrode unit 2a0 in each group is The x-th order electrode cx is connected, the x-th trace dx passes between every two adjacent second electrode units 2a0 to connect to two adjacent x-th sequence electrodes cx respectively, and the x-th trace dx is connected from every The x-th order electrode cx has an input connection on one side of the width and an output connection on the other side of the width.
  • the x-th trace dx in the second unit 2 (the electrode trace RXLi-2 shown in Fig. 2) is firstly transferred from the upper Count the width of the x-th order electrode cx (electrode RXi-2 shown in Figure 2) in the first group of the second electrode unit 2a0 (R1 group shown in Figure 2) Output connection, and then the xth trace dx (electrode trace RXLi-2 as shown in Figure 2) from the first group of the second electrode unit 2a0 (R1 group as shown in Figure 2) and the upper number Two sets of second electrode units 2a0 (group R2 as shown in FIG.
  • the structure of each row of touch units 10 in the touch layer 100 is the same, that is, the structure of the first unit 1 in each row of touch units 10 They are all the same, and the structure of the second unit 2 in each column of the touch unit 10 is also the same. Therefore, the structure of the touch layer 100 is simple and easy to manufacture.
  • the present disclosure is not limited to this.
  • the structure of each column of touch units 10 in the touch layer 100 may also be different.
  • the structure of the first unit 1 in some touch units 10 The structure is different, or the structure of the second unit 2 in some touch units 10 is different, etc., which will not be repeated here.
  • FIG. 3 is a partial enlarged view of the touch unit 10 shown in FIG. 2.
  • the touch layer 100 as a whole is a single-layer metal mesh 20 (ie, metal mesh capacitive touch technology, Metal Mesh) , So that the first electrode 1a1, the first electrode trace 1b, the second electrode 2a1, and the second electrode trace 2b are all composed of the metal mesh 20, that is to say, all touch electrodes and all touch electrode traces use
  • the metal grid 20 is designed, all signals are of the same layer of metal, which is convenient for manufacturing and manufacturing.
  • the metal grid 20 can avoid the pixel light-emitting area of the display module B, for example
  • the display module B is an Organic Electroluminesence Display (OLED)
  • the metal grid 20 can be located outside the light-emitting area of a single OLED light-emitting unit, which can significantly reduce the influence of touch traces on OLED light emission. The problem of poor optical image.
  • the touch layer 100 is composed of a plurality of mesh units 20a because the whole is a metal mesh 20 (for example, a hexagonal mesh in FIG. 3 is a mesh unit 20a).
  • the column width of the first electrode trace 1b may not exceed the column width of the two columns of grid cells 20a
  • the second electrode trace 2b extends along the first
  • the column width of the second electrode trace 2b may not exceed the column width of the two rows of grid cells 20a.
  • the second electrode trace 2b is a broken line, the column width of the second electrode trace 2b extends along the second direction F2.
  • the width may not exceed the column width of the two columns of grid cells 20a, and the row width of the portion extending along the first direction F1 may not exceed the row width of the three rows of grid cells 20a.
  • the laying area of the touch electrode traces can be reduced, thereby increasing the laying area of the touch electrode, thereby improving the touch accuracy.
  • the column width described herein refers to the width in the first direction F1
  • the row width described herein refers to the width in the second direction F2.
  • each grid unit 20a is not required to be the same.
  • the touch layer 100 and the display module B are stacked together, it can be determined according to the pixel arrangement of the display module B.
  • the design can be matched according to the shape of the pixel light-emitting area of the display module B.
  • the specific shape of each grid unit 20a is not limited, and the design needs to be matched according to the shape of the pixel light-emitting area of the display module B, for example, The hexagonal grid shown in Figure 3, or other polygonal grids, etc.
  • FIG. 4 is a partial enlarged view of the metal grid 20 shown in FIG. 3.
  • some grid units 20a have short-circuit-proof openings 20b, so that the openings 20b can be used to avoid any two One first signal line is short-circuited, any two second signal lines are short-circuited, and any one first signal line is short-circuited with any one second signal line. Therefore, by providing the opening 20b, the short circuit problem can be effectively avoided, and the manufacturing difficulty can be simplified, so that the touch layer 100 can be realized as a single-layer structure.
  • the touch layer 100 has a regular metal grid 20 structure as a whole, and all the grid units 20a included in it are regularly and periodically arranged, thereby facilitating manufacturing.
  • the mesh unit 20a is a polygonal mesh surrounded by a plurality of straight sides, the opening 20b is formed on the straight side, and the gap between the straight side and the opening 20b is 2.5. um-5um, so that the two signal lines can be separated without short circuit, and the disconnection distance can meet the exposure accuracy of the exposure machine, making manufacturing possible. Therefore, it can be ensured that the traces of the touch electrodes and the touch electrode traces at the boundary are perpendicular to each other and the gap is small, thereby significantly reducing the problem of poor optical images caused by the touch electrode traces.
  • FIG. 5 is a partial stacking schematic diagram of a part of the structure of the touch display screen 1000 according to an embodiment of the present disclosure.
  • the touch display screen 1000 may include a display module B and a touch module A.
  • the display module B includes an encapsulation layer 200
  • the touch module A is a touch module A according to any embodiment of the present disclosure
  • the touch layer 100 is disposed on the encapsulation layer 200. Therefore, since the thickness of the touch module A is thinner, and fewer manufacturing processes are required, the manufacturing is easy, and the product yield rate is higher, so that the overall thickness of the touch display screen 1000 is thinner, and fewer manufacturing processes are required. It is easy to manufacture, and the product yield is high.
  • the thickness of the touch display screen 1000 can be further reduced. .
  • the present disclosure also proposes a manufacturing method for manufacturing the aforementioned touch display screen 1000.
  • the manufacturing method includes the steps of: fabricating an encapsulation layer 200, and fabricating a single-layer metal grid 20 on the encapsulation layer 200 to form a touch screen. ⁇ 100 ⁇ Control layer 100. Therefore, the manufacturing is very simple and fast, and the thickness of the touch display screen 1000 is thinner.
  • an exposure process or a screen printing process may be used to manufacture the metal mesh 20 on the packaging layer 200 to form the touch layer 100, thereby facilitating manufacturing and easily manufacturing a metal mesh that meets the requirements. 20.
  • the operation is very convenient, the cost is low, the manufacturing efficiency is high, and the yield rate is high.
  • the material of the encapsulation layer 200 is not limited, for example, it may be an organic or inorganic film layer.
  • the type of display module B is not limited, for example, it can be OLED, liquid crystal display (LCD), electronic paper, electronic ink screen, etc., and display module B can also be an active matrix organic in OLED. Active-matrix organic light-emitting diode (AMOLED for short), Passive matrix organic light-emitting diode (PMOLED for short), etc.
  • the display module B may also include a cathode layer 300, and the cathode layer 300 is located on the side of the encapsulation layer 200 away from the touch layer 100, or in other words, The encapsulation layer 200 is sandwiched between the cathode layer 300 and the touch layer 100.
  • the touch emitting electrode, the touch receiving electrode, and the touch can be directly fabricated on the top of the encapsulation layer 200.
  • the single-layer touch layer 100 for controlling the routing of the transmitting electrode and the routing of the touch receiving electrode is very simple and fast to manufacture, and makes the thickness of the touch display screen 1000 thinner.
  • the touch display screen 1000 according to the embodiment of the present disclosure can be used in an electronic device.
  • the electronic device of the embodiment of the present disclosure by providing the above-mentioned touch module A, the thickness of the electronic device can be reduced, and the production cost of the electronic device can be reduced.
  • the type of electronic device is not limited, for example, it can be a mobile phone, a tablet computer, a car computer, a wearable device, etc.
  • the person skilled in the art can know the other components of the electronic device, which will not be described here. Go into details.

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Abstract

Provided are a touch-control module (A), a touch-control display screen (1000), and a method for manufacturing the touch-control display screen (1000). The touch-control module (A) comprises: a touch-control layer (100), the touch-control layer (100) being of a single-layer structure and comprising n columns of touch-control units (10). Each column of touch-control units (10) comprises a first unit (1) and a second unit (2). The first unit (1) comprises one first electrode column (1a) and m first electrode wires (1b), wherein the first electrode column (1a) comprises m first electrodes (1a1). The second unit (2) comprises one second electrode column (2a) and j second electrode wires (2b), wherein the second electrode column (2a) comprises m groups of second electrode units (2a0), the m groups of second electrode units (2a0) are arranged such that same correspond to the m first electrodes (1a1) on a one-to-one basis, and each group of second electrode units (2a0) comprises j second electrodes (2a1).

Description

触控模组、触控显示屏及触控显示屏的制造方法Touch control module, touch display screen and manufacturing method of touch display screen
相关申请的交叉引用Cross-references to related applications
本申请基于申请号为202010222751.3、申请日为2020-03-26的中国专利申请的中国专利申请提出，并要求上述中国专利申请的优先权，上述中国专利申请的全部内容在此引入本申请作为参考。This application is filed based on the Chinese patent application of the Chinese patent application with the application number 202010222751.3 and the filing date of 2020-03-26, and claims the priority of the above-mentioned Chinese patent application. The entire content of the above-mentioned Chinese patent application is hereby incorporated into this application as a reference .
技术领域Technical field
本公开涉及触控显示屏技术领域，尤其是涉及一种触控模组、触控显示屏及触控显示屏的制造方法。The present disclosure relates to the technical field of touch display screens, in particular to a touch control module, a touch display screen, and a manufacturing method of the touch display screen.
背景技术Background technique
相关技术中的一些触控显示屏，包括显示模组和设置在显示模组上的触控模组，触控模组中的电极及走线通常采用互容多层设计，从而导致触控显示屏的厚度较厚，且所需制程较多，制造繁琐，产品良率较低。Some touch display screens in related technologies include a display module and a touch module arranged on the display module. The electrodes and wiring in the touch module usually adopt a mutual-capacitive multilayer design, which leads to a touch display The thickness of the screen is relatively thick, and more manufacturing processes are required, the manufacturing is cumbersome, and the product yield is low.
发明内容Summary of the invention
本公开旨在至少解决现有技术中存在的技术问题之一。为此，本公开在于提出一种触控模组，所述触控模组的厚度小，制程少，制造容易，产品良率较高。The present disclosure aims to solve at least one of the technical problems existing in the prior art. To this end, the present disclosure is to provide a touch module, which has a small thickness, few manufacturing processes, easy manufacturing, and high product yield.
本公开还提出一种具有上述触控模组的触控显示屏。The present disclosure also proposes a touch display screen with the above touch module.
本公开还提出一种上述触控显示屏的制造方法。The present disclosure also proposes a method for manufacturing the above-mentioned touch display screen.
根据本公开第一方面实施例的触控模组，包括：触控层，所述触控层为单层结构，且包括沿第一方向依次排布的n列触控单元，每列所述触控单元均包括沿所述第一方向依次排布的第一单元和第二单元，所述第一单元包括一列第一电极列和m条第一电极走线，所述第一电极列包括沿第二方向依次排布的m个第一电极，每条所述第一电极走线分别与一个所述第一电极相连，以形成m条第一信号线，所述第二方向与所述第一方向交叉；所述第二单元包括一列第二电极列和j条第二电极走线，所述第二电极列包括沿所述第二方向依次排布的m组第二电极单元，m组所述第二电极单元与m个所述第一电极沿所述第一方向一一相对设置，每组所述第二电极单元均包括沿所述第二方向依次排布的j个第二电极，每条所述第二电极走线分别与每组所述第二电极单元中一个所述第二电极相连，以形成j条第二 信号线。A touch module according to an embodiment of the first aspect of the present disclosure includes: a touch layer, the touch layer having a single-layer structure and including n rows of touch units sequentially arranged along a first direction, each row of Each touch unit includes a first unit and a second unit arranged in sequence along the first direction, the first unit includes a row of first electrode rows and m first electrode traces, and the first electrode row includes M first electrodes arranged sequentially along the second direction, each of the first electrode traces is connected to one of the first electrodes to form m first signal lines, and the second direction is connected to the The first direction intersects; the second unit includes a row of second electrode rows and j second electrode traces, and the second electrode row includes m groups of second electrode units sequentially arranged along the second direction, m The group of the second electrode units and the m of the first electrodes are arranged opposite to each other along the first direction, and each group of the second electrode units includes j second electrode units arranged in sequence along the second direction. An electrode, each of the second electrode traces is connected to one of the second electrodes in each group of the second electrode units to form j second signal lines.
根据本公开第一方面实施例的触控模组，厚度小，制程少，制造容易，产品良率较高。According to the embodiment of the first aspect of the present disclosure, the touch module has a small thickness, few manufacturing processes, easy manufacturing, and high product yield.
在一些实施例中，所述第一电极列中的m个所述第一电极的宽度沿着所述第二方向依次减小。In some embodiments, the widths of the m first electrodes in the first electrode column sequentially decrease along the second direction.
在一些实施例中，所述第一单元中的m个所述第一电极的宽度一侧对齐，m条所述第一电极走线均位于所述第一电极列的宽度同侧。In some embodiments, the width sides of the m first electrodes in the first unit are aligned, and the m first electrode traces are all located on the same side of the width of the first electrode column.
在一些实施例中，所述第二电极单元中的j个所述第二电极的中心位置沿着所述第二方向在所述第一方向上依次偏移。In some embodiments, the center positions of the j second electrodes in the second electrode unit are sequentially shifted in the first direction along the second direction.
在一些实施例中，所述第二电极单元中的j个所述第二电极的宽度相同，且每相邻两个所述第二电极的中心位置在所述第一方向上的间距均相同。In some embodiments, the widths of the j second electrodes in the second electrode unit are the same, and the center positions of every two adjacent second electrodes have the same spacing in the first direction. .
在一些实施例中，所述第二电极列中的每组所述第二电极单元的结构均相同，所述第二电极走线与每组所述第二电极单元中沿所述第二方向次序相同的所述第二电极相连。In some embodiments, each group of the second electrode unit in the second electrode column has the same structure, and the second electrode traces are aligned with each group of the second electrode unit along the second direction. The second electrodes in the same order are connected.
在一些实施例中，每组所述第二电极单元中的j个所述第二电极沿着所述第二方向的次序依次为第一次序电极到第j次序电极，所述第二单元中的j条所述第二电极走线分别为第一走线到第走线，所述第一走线与每组所述第二电极单元中所述第一次序电极相连，所述第j走线与每组所述第二电极单元中所述第j次序电极相连，其中，所述第一走线与所述第j走线分别位于所述第二电极列的宽度两侧。In some embodiments, the order of the j second electrodes in each group of the second electrode units along the second direction is a first order electrode to a jth order electrode, and the second unit The j of the second electrode traces are respectively a first trace to a first trace, and the first trace is connected to the first sequence electrode in each group of the second electrode unit, and the first trace is The j wiring is connected to the j-th order electrode in each group of the second electrode unit, wherein the first wiring and the j-th wiring are respectively located on both sides of the width of the second electrode column.
在一些实施例中，当j＞2，且1＜x＜j时，所述第二单元中的第x走线与每组所述第二电极单元中次序为第x次序电极相连，所述第x走线从每相邻的两个所述第二电极单元之间经过以与相邻的两个所述第x次序电极分别相连，且所述第x走线从每个所述第x次序电极的宽度一侧输入连接、宽度另一侧输出连接。In some embodiments, when j>2 and 1<x<j, the x-th trace in the second unit is connected to the x-th order electrode in each group of the second electrode unit, and the The x-th trace passes between every two adjacent second electrode units to connect to the two adjacent x-th sequence electrodes, and the x-th trace runs from each x-th sequence electrode. The width of the sequence electrode has an input connection on one side and an output connection on the other side of the width.
在一些实施例中，所述触控层中的每列所述触控单元的结构均相同。In some embodiments, the structure of each row of the touch unit in the touch layer is the same.
在一些实施例中，所述触控层整体为单层的金属网格，所述第一电极、所述第一电极走线、所述第二电极、所述第二电极走线均由所述金属网格构成。In some embodiments, the entire touch layer is a single-layer metal grid, and the first electrode, the first electrode trace, the second electrode, and the second electrode trace are all made of The metal grid is composed.
在一些实施例中，所述金属网格由多个网格单元组成，多个所述网格单元中一些所述网格单元上具有防短路的断开口。In some embodiments, the metal mesh is composed of a plurality of mesh units, and some of the mesh units of the plurality of mesh units have short-circuit-proof openings.
在一些实施例中，所述网格单元为多边形网格，所述断开口形成在所述网格单元的直线侧边上。In some embodiments, the grid unit is a polygonal grid, and the break opening is formed on a straight side of the grid unit.
根据本公开第二方面实施例的触控显示屏，包括显示模组和触控模组，所述显示模组包括封装层，所述触控模组为根据本公开第一方面实施例的触控模组，且所述触控层设置在 所述封装层上。A touch display screen according to an embodiment of the second aspect of the present disclosure includes a display module and a touch module, the display module includes an encapsulation layer, and the touch module is a touch screen according to the embodiment of the first aspect of the present disclosure. The control module, and the touch control layer is arranged on the encapsulation layer.
根据本公开第二方面实施例的触控显示屏，通过设置上述第一方面实施例的触控模组，从而使得触控显示屏的厚度小，制程少，制造容易，产品良率较高。According to the touch display screen of the embodiment of the second aspect of the present disclosure, by providing the touch module of the embodiment of the first aspect, the thickness of the touch screen is small, the manufacturing process is small, the manufacturing is easy, and the product yield is high.
根据本公开第三方面实施例的触控显示屏的制造方法，所述触控显示屏为根据本公开第二方面实施例的触控显示屏，所述制造方法包括步骤：制作所述封装层，在所述封装层上制作单层的金属网格，以构成所述触控层。According to the manufacturing method of the touch display screen according to the embodiment of the third aspect of the present disclosure, the touch display screen is the touch display screen according to the embodiment of the second aspect of the present disclosure, and the manufacturing method includes the step of: making the encapsulation layer , Making a single-layer metal grid on the encapsulation layer to form the touch control layer.
根据本公开第三方面实施例的触控显示屏的制造方法，制造简便，生产效率高，良品率高。According to the manufacturing method of the touch display screen of the embodiment of the third aspect of the present disclosure, the manufacturing is simple and convenient, the production efficiency is high, and the yield rate is high.
在一些实施例中，所述金属网格采用曝光工艺或丝网印刷工艺制造在所述封装层上。In some embodiments, the metal grid is manufactured on the encapsulation layer using an exposure process or a screen printing process.
本公开的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本公开的实践了解到。The additional aspects and advantages of the present disclosure will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the present disclosure.
附图说明Description of the drawings
图1是根据本公开一个实施例的触控层的电极和走线排布的平面示意图；FIG. 1 is a schematic plan view of the arrangement of electrodes and traces of a touch layer according to an embodiment of the present disclosure;
图2是图1中所示的其中一列触控单元的平面示意图；FIG. 2 is a schematic plan view of one row of touch units shown in FIG. 1;
图3是图2中所示的M1处的局部放大图；Fig. 3 is a partial enlarged view of M1 shown in Fig. 2;
图4是图3中所示的M2处的局部放大图；FIG. 4 is a partial enlarged view of M2 shown in FIG. 3;
图5是根据本公开一个实施例的触控显示屏的部分结构的局部层叠示意图。FIG. 5 is a partial stacking schematic diagram of part of the structure of the touch display screen according to an embodiment of the present disclosure.
具体实施方式Detailed ways
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。The embodiments of the present disclosure are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are intended to explain the present disclosure, but should not be construed as limiting the present disclosure.
下文的公开提供了许多不同的实施例或例子用来实现本公开的不同结构。为了简化本公开的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本公开。此外，本公开可以在不同例子中重复参考数字和/或字母。这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施例和/或设置之间的关系。此外，本公开提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的可应用于性和/或其他材料的使用。The following disclosure provides many different embodiments or examples for realizing different structures of the present disclosure. In order to simplify the disclosure of the present disclosure, the components and settings of specific examples are described below. Of course, they are only examples, and are not intended to limit the present disclosure. In addition, the present disclosure may repeat reference numerals and/or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not in itself indicate the relationship between the various embodiments and/or settings discussed. In addition, the present disclosure provides examples of various specific processes and materials, but those of ordinary skill in the art may be aware of the applicability of other processes and/or the use of other materials.
下面，参照附图，描述根据本公开实施例的触控模组A、触控显示屏1000和触控显示 屏1000的制造方法。Hereinafter, referring to the accompanying drawings, a method for manufacturing the touch module A, the touch display screen 1000, and the touch display screen 1000 according to the embodiments of the present disclosure will be described.
图1为根据本公开一个实施例的触控层100的电极和走线排布的平面示意图。如图1所示，触控层100包括沿第一方向F1(如图1中所示的从左向右的方向)依次排布的n列触控单元10，n列触控单元10沿第一方向F1依次分别为TG1至TGn，设定触控模组A的触控分辨率为M行、N列，则N＝2n。在本公开的实施例中，触控层100为单层结构，从而n列触控单元10同层设置。FIG. 1 is a schematic plan view of the arrangement of electrodes and traces of a touch layer 100 according to an embodiment of the present disclosure. As shown in FIG. 1, the touch layer 100 includes n rows of touch units 10 arranged in sequence along a first direction F1 (from left to right as shown in FIG. 1), and the n rows of touch units 10 are arranged along the first direction F1. One direction F1 is TG1 to TGn respectively, and if the touch resolution of the touch module A is set to M rows and N columns, then N=2n. In the embodiment of the present disclosure, the touch layer 100 has a single-layer structure, so that n columns of touch units 10 are arranged in the same layer.
图2为图1中所示的一个触控单元10的平面示意图，如图2所示，每列触控单元10均包括沿第一方向F1(如图2中所示的从左向右的方向)依次排布的：第一单元1和第二单元2，由于触控层100为单层结构，从而n列触控单元10中的第一单元1和第二单元2均同层设置。FIG. 2 is a schematic plan view of a touch unit 10 shown in FIG. 1. As shown in FIG. 2, each column of touch units 10 includes a first direction F1 (as shown in FIG. 2 from left to right). The direction) is arranged in sequence: the first unit 1 and the second unit 2. Since the touch layer 100 is a single-layer structure, the first unit 1 and the second unit 2 in the n columns of touch units 10 are arranged in the same layer.
如图2所示，第一单元1包括一列第一电极列1a和m条第一电极走线1b，第一电极列1a包括沿第二方向F2(如图2中所示的从上向下的方向)依次排布的m个第一电极1a1，每条第一电极走线1b分别与一个第一电极1a1相连，以形成m条第一信号线，其中，第二方向F2与第一方向F1交叉，例如垂直、或者相交锐角、或者相交钝角。简言之，在行方向(如图2中所示的从上向下的方向)上，共存在m个第一电极1a1，m个第一电极1a1与m条第一电极走线1b一一对应相连，即一个第一电极1a1与一条第一电极走线1b相连，以形成一条第一信号线，因此m条第一电极走线1b，可形成m条第一信号线。As shown in FIG. 2, the first unit 1 includes a first electrode column 1a and m first electrode traces 1b. Direction) m first electrodes 1a1 arranged in sequence, and each first electrode trace 1b is connected to a first electrode 1a1 to form m first signal lines, wherein the second direction F2 is the same as the first direction F1 intersects, for example perpendicular, or intersects at an acute angle, or intersects at an obtuse angle. In short, in the row direction (from top to bottom as shown in Figure 2), there are m first electrodes 1a1, m first electrodes 1a1 and m first electrode traces 1b one by one. Correspondingly connected, that is, one first electrode 1a1 is connected to one first electrode wiring 1b to form a first signal line, so m first electrode wirings 1b can form m first signal lines.
如图2所示，第二单元2包括一列第二电极列2a和j条第二电极走线2b，第二电极列2a包括沿第二方向F2(如图2中所示的从上向下的方向)依次排布的m组第二电极单元2a0，m组第二电极单元2a0与m个第一电极1a1沿第一方向F1一一相对设置，每组第二电极单元2a0均包括沿第二方向F2依次排布的j个第二电极2a1，每条第二电极走线2b分别与每组第二电极单元2a0中一个第二电极2a1相连，以形成j条第二信号线，M＝mj，j≥2。As shown in FIG. 2, the second unit 2 includes a row of second electrode rows 2a and j second electrode traces 2b. The m groups of second electrode units 2a0 are arranged in sequence. The m groups of second electrode units 2a0 and m first electrodes 1a1 are arranged opposite to each other along the first direction F1. Each group of second electrode units 2a0 includes There are j second electrodes 2a1 arranged in sequence in the two directions F2, and each second electrode wire 2b is respectively connected to a second electrode 2a1 in each group of second electrode units 2a0 to form j second signal lines, M= mj, j≥2.
简言之，在列方向(如图2中所示的从左向右的方向)上，每个第一电极1a1对应j个第二电极2a1，那么m个第一电极1a1对应mj个第二电极2a1，因此，M＝mj，每组第二电极单元2a0中的j个第二电极2a1分别与j条第二电极走线2b一一对应相连，以使每条第二电极走线2b与每组第二电极单元2a0中的一个第二电极2a1分别相连，从而每条第二电极走线2b同时与m个第二电极2a1相连，以形成一条第二信号线，因此j条第二电极走线2b，可形成j条第二信号线。In short, in the column direction (from left to right as shown in Figure 2), each first electrode 1a1 corresponds to j second electrodes 2a1, then m first electrodes 1a1 correspond to mj second electrodes. The electrode 2a1, therefore, M=mj, the j second electrodes 2a1 in each group of the second electrode unit 2a0 are respectively connected to the j second electrode traces 2b in a one-to-one correspondence, so that each second electrode trace 2b is connected to One second electrode 2a1 in each group of second electrode units 2a0 is respectively connected, so that each second electrode trace 2b is simultaneously connected to m second electrodes 2a1 to form a second signal line, so j second electrodes The wiring 2b can form j second signal lines.
基于上述论述，如图1和图2所示，每列触控单元10中，存在m个第一电极1a1，mj个第二电极2a1，m条第一电极走线1b，j条第二电极走线2b，从而当触控层100具有n列 触控单元10时，从而就存在：n(m+j)条触控电极走线和n(m+mj)个触控电极。由此，根据本公开实施例的触控层100，由于触控电极走线(包括第一电极走线1b和第二电极走线2b)的数量较小，从而当触控层100为单层结构时，触控电极走线占用的面积较小，进而可以保证触控电极(包括第一电极1a1和第二电极2a1)可利用空间较大，因此可以提高触控模组A的触控精度。Based on the above discussion, as shown in FIGS. 1 and 2, in each column of touch unit 10, there are m first electrodes 1a1, mj second electrodes 2a1, m first electrode traces 1b, and j second electrodes. The traces 2b, so that when the touch layer 100 has n rows of touch units 10, there are n (m+j) touch electrode traces and n (m+mj) touch electrodes. Therefore, according to the touch layer 100 of the embodiment of the present disclosure, since the number of touch electrode traces (including the first electrode traces 1b and the second electrode traces 2b) is small, when the touch layer 100 is a single layer In the structure, the area occupied by the touch electrode traces is small, which in turn can ensure that the touch electrodes (including the first electrode 1a1 and the second electrode 2a1) can use a larger space, so the touch accuracy of the touch module A can be improved .
可以理解的是，第一电极1a1和第二电极2a1中的一个为触控发射电极、另一个为触控接收电极，同理第一电极走线1b和第二电极走线2b中的一个为触控发射电极走线、另一个为触控接收电极走线。例如，当第一电极1a1为触控发射电极时，第二电极2a1为触控接收电极，第一电极走线1b为触控发射电极走线，第二电极走线2b为触控接收电极走线；又例如，当第二电极2a1为触控发射电极时，第一电极1a1为触控接收电极，第二电极走线2b为触控发射电极走线，第一电极走线1b为触控接收电极走线。It can be understood that one of the first electrode 1a1 and the second electrode 2a1 is a touch transmitting electrode, and the other is a touch receiving electrode. Similarly, one of the first electrode wiring 1b and the second electrode wiring 2b is The touch transmitting electrode trace, and the other is the touch receiving electrode trace. For example, when the first electrode 1a1 is a touch emitting electrode, the second electrode 2a1 is a touch receiving electrode, the first electrode trace 1b is a touch emitting electrode trace, and the second electrode trace 2b is a touch receiving electrode trace. For example, when the second electrode 2a1 is a touch emitting electrode, the first electrode 1a1 is a touch receiving electrode, the second electrode trace 2b is a touch emitting electrode trace, and the first electrode trace 1b is a touch The receiving electrode is routed.
由此，在本公开的实施例中，每列触控单元10均包括触控发射电极、触控接收电极、触控发射电极走线和触控接收电极走线，由于触控层100为单层结构，从而触控层100中的全部触控发射电极、触控接收电极、触控发射电极走线和触控接收电极走线均同层设置，进而极大程度地减小了触控层100的厚度，使得触控层100的制程较少，制造容易，产品良率较高。Therefore, in the embodiment of the present disclosure, each column of touch units 10 includes touch emitting electrodes, touch receiving electrodes, touch emitting electrode traces, and touch receiving electrode traces. Since the touch layer 100 is a single Layer structure, so that all touch emitting electrodes, touch receiving electrodes, touch emitting electrode traces and touch receiving electrode traces in the touch layer 100 are arranged in the same layer, thereby greatly reducing the touch layer The thickness of 100 makes the manufacturing process of the touch layer 100 less, easy to manufacture, and higher product yield.
综上，由于根据本公开实施例的触控层100采用单层设计，从而使得触控模组A整体的厚度较薄，且所需制程较少，制造容易，产品良率较高。而且，通过如上形式排布第一电极1a1和第二电极2a1，可以减少第一电极走线1b和第二电极走线2b的总数量，从而对于单层结构的触控层100来说，可以增大第一电极1a1和第二电极2a1的分布面积，进而可以提高触控模组A的触控精度。In summary, since the touch layer 100 according to the embodiment of the present disclosure adopts a single-layer design, the overall thickness of the touch module A is thinner, and fewer manufacturing processes are required, the manufacturing is easy, and the product yield is higher. Moreover, by arranging the first electrode 1a1 and the second electrode 2a1 in the above manner, the total number of the first electrode wiring 1b and the second electrode wiring 2b can be reduced, so that for the single-layer structure of the touch layer 100, By increasing the distribution area of the first electrode 1a1 and the second electrode 2a1, the touch accuracy of the touch module A can be improved.
为简化描述，后文中以第一电极1a1为触控发射电极，第二电极2a1为触控接收电极，第一电极走线1b为触控发射电极走线，第二电极走线2b为触控接收电极走线，为例进行说明，在本领域技术人员阅读了本公开的技术方案后，显然能够理解第二电极2a1为触控发射电极，第一电极1a1为触控接收电极，第二电极走线2b为触控发射电极走线，第一电极走线1b为触控接收电极走线的具体实施方案，这里不作赘述。To simplify the description, the first electrode 1a1 is used as the touch emitting electrode, the second electrode 2a1 is the touch receiving electrode, the first electrode trace 1b is the touch emitting electrode trace, and the second electrode trace 2b is the touch The wiring of the receiving electrode is described as an example. After reading the technical solutions of the present disclosure, those skilled in the art can clearly understand that the second electrode 2a1 is a touch transmitting electrode, the first electrode 1a1 is a touch receiving electrode, and the second electrode The wiring 2b is a touch transmitting electrode wiring, and the first electrode wiring 1b is a specific implementation of a touch receiving electrode wiring, which will not be repeated here.
在本公开的一些实施例中，如图2所示，对于第i个触控单元10(1≤i≤n，图2中所示的TGi)，第一电极列1a中的m个第一电极1a1的宽度沿着第二方向F2(如图2中所示的从上向下的方向)依次减小。In some embodiments of the present disclosure, as shown in FIG. 2, for the i-th touch unit 10 (1≤i≤n, TGi shown in FIG. 2), the m first electrode columns 1a The width of the electrode 1a1 decreases sequentially along the second direction F2 (the direction from top to bottom as shown in FIG. 2).
例如在图2所示的示例中，对于第i列触控单元10来说，第一电极列1a中沿第二方向 F2依次排列的m个第一电极1a1，分别为电极TXi-1、电极TXi-2……电极TXi-m，其中，电极TXi-1的宽度大于电极TXi-2的宽度，电极TXi-2的宽度大于电极TXi-m的宽度。需要说明的是，在图2中所示的具体示例中，m＝3，但本公开不限于此，在本领域技术人员阅读了本申请的方案后，显然能够理解m≥2的全部实施例。For example, in the example shown in FIG. 2, for the i-th column of touch units 10, m first electrodes 1a1 arranged in the second direction F2 in the first electrode column 1a are electrodes TXi-1 and electrode TXi-1, respectively. TXi-2... The electrode TXi-m, wherein the width of the electrode TXi-1 is greater than the width of the electrode TXi-2, and the width of the electrode TXi-2 is greater than the width of the electrode TXi-m. It should be noted that in the specific example shown in FIG. 2, m=3, but the present disclosure is not limited to this. After reading the solution of this application, a person skilled in the art can obviously understand all embodiments where m≥2 .
由此，由于第一电极列1a中的m个第一电极1a1的宽度可以沿第二方向F2依次减小，从而可以利用第一电极1a1宽度减小的空间设置第一电极走线1b，保证m条第一电极走线1b可以与m个第一电极1a1分别对应相连。值得说明的是，第一电极1a1的宽度减小位置，会形成触控盲区，从而说明第一电极列1a的触控盲区会沿第二方向F2依次增大，为了避免影响触控效果，在本公开的实施例中，使一个第一电极1a1沿第一方向F1与j个第二电极2a1相对，从而就能够减少第一电极1a1的数量，由此可以在一定程度上减小触控盲区，保证触控效果。Thus, since the widths of the m first electrodes 1a1 in the first electrode column 1a can be sequentially reduced along the second direction F2, the space where the width of the first electrodes 1a1 is reduced can be used to arrange the first electrode traces 1b to ensure The m first electrode traces 1b may be connected to the m first electrodes 1a1 respectively. It is worth noting that the position where the width of the first electrode 1a1 is reduced will form a touch dead zone, which means that the touch dead zone of the first electrode column 1a will increase sequentially along the second direction F2. In order to avoid affecting the touch effect, In the embodiment of the present disclosure, one first electrode 1a1 is opposed to j second electrodes 2a1 along the first direction F1, so that the number of first electrodes 1a1 can be reduced, thereby reducing the touch blind area to a certain extent. , To ensure the touch effect.
此外，还可以配合减小第一电极走线1b的宽度的方式，来进一步减小触控盲区，以更好地保证触控效果。例如在本公开的一些具体实施例中，可以通过减小第一电极1a1的数量以及减小第一电极走线1b宽度的方式，将触控盲区占触控电极宽度的最大比例降低至低于15％，从而可以有效地保证触控效果。另外，需要说明的是，在本公开的描述中，第一电极1a1的宽度、第二电极2a1的宽度、第一电极走线1b的宽度、第二电极走线2b的沿第二方向F2延伸的部分的宽度均指的是在第一方向F1上的宽度、第二电极走线2b的沿第一方向F1延伸的部分的宽度指的是在第二方向F2上的宽度。In addition, the method of reducing the width of the first electrode trace 1b can also be used to further reduce the touch blind area, so as to better ensure the touch effect. For example, in some specific embodiments of the present disclosure, by reducing the number of the first electrodes 1a1 and the width of the first electrode traces 1b, the maximum ratio of the touch blind area to the width of the touch electrodes can be reduced below 15%, which can effectively guarantee the touch effect. In addition, it should be noted that in the description of the present disclosure, the width of the first electrode 1a1, the width of the second electrode 2a1, the width of the first electrode trace 1b, and the width of the second electrode trace 2b extend along the second direction F2. The width of the portion refers to the width in the first direction F1, and the width of the portion of the second electrode trace 2b extending along the first direction F1 refers to the width in the second direction F2.
需要说明的是：第一电极走线1b的宽度与最宽的第一电极1a1的宽度的比值不限，例如可以根据m的取值计算，例如在一些具体示例中，最宽的第一电极1a1的宽度可以为4mm左右，每个第一电极走线1b的宽度不小于30μm，m的取值可以在2～10之间，或者m的取值的上限不限。此外，m个第一电极走线1b的宽度可以相等或者不等，当m个第一电极走线1b的宽度相等时，除最宽的第一电极1a1之外，每个第一电极1a1相比于前一个第一电极1a1，宽度减小的幅度可以相同、例如可以等于一个第一电极走线1b的宽度。It should be noted that the ratio of the width of the first electrode trace 1b to the width of the widest first electrode 1a1 is not limited. For example, it can be calculated according to the value of m. For example, in some specific examples, the widest first electrode The width of 1a1 may be about 4 mm, the width of each first electrode trace 1b is not less than 30 μm, the value of m may be between 2-10, or the upper limit of the value of m is not limited. In addition, the width of the m first electrode traces 1b can be equal or unequal. When the width of the m first electrode traces 1b is equal, except for the widest first electrode 1a1, each first electrode 1a1 phase Compared with the previous first electrode 1a1, the magnitude of the width reduction can be the same, for example, can be equal to the width of one first electrode trace 1b.
在本公开的一些实施例中，如图2所示，第一单元1中的m个第一电极1a1的宽度一侧对齐，m条第一电极走线1b均位于第一电极列1a的宽度同侧，即位于第一电极列1a的沿第二方向F2延伸的中心线、在第一方向F1上的同一侧，例如可以位于除最宽的第一电极1a1以外的其他第一电极1a1的宽度另一侧(即非对齐的一侧)。例如在图2所示的示例中，电极TXi-1的右侧边沿、电极TXi-2的右侧边沿、电极TXi-m的右侧边沿对齐、位于同一竖直线上，与电极TXi-1相连的电极走线TXLi-1、与电极TXi-2相连的电极走线TXLi-2、 以及与电极TXi-m相连的电极走线TXLi-m，均位于电极TXi-2和电极TXi-m的左侧，且电极走线TXLi-1与电极TXi-1的左侧对齐。由此，方便制造和制造。In some embodiments of the present disclosure, as shown in FIG. 2, the width sides of the m first electrodes 1a1 in the first unit 1 are aligned, and the m first electrode traces 1b are all located at the width of the first electrode column 1a. The same side, that is, the center line of the first electrode column 1a extending in the second direction F2, and the same side in the first direction F1. For example, it can be located on the first electrode 1a1 except the widest first electrode 1a1. The other side of the width (that is, the side that is not aligned). For example, in the example shown in Figure 2, the right edge of the electrode TXi-1, the right edge of the electrode TXi-2, and the right edge of the electrode TXi-m are aligned and located on the same vertical line as the electrode TXi-1. The connected electrode trace TXLi-1, the electrode trace TXLi-2 connected to the electrode TXi-2, and the electrode trace TXLi-m connected to the electrode TXi-m are all located between the electrode TXi-2 and the electrode TXi-m On the left side, and the electrode trace TXLi-1 is aligned with the left side of the electrode TXi-1. Thus, it is convenient to manufacture and manufacture.
当然，本公开不限于此，还可以采用其他方式排布m个第一电极1a1，例如在本公开的其他一些实施例中，第一单元1中的m个第一电极1a1的中心一侧对齐，m条第一电极走线1b分别位于均位于至少一个第一电极1a1的宽度两侧(图未示出该实施例)等等，这里不再赘述。Of course, the present disclosure is not limited to this, and the m first electrodes 1a1 may also be arranged in other ways. For example, in some other embodiments of the present disclosure, the center sides of the m first electrodes 1a1 in the first unit 1 are aligned. , The m first electrode traces 1b are respectively located on both sides of the width of at least one first electrode 1a1 (the embodiment is not shown in the figure), etc., which will not be repeated here.
在本公开的一些实施例中，如图2所示，第二电极单元2a0中的j个第二电极2a1的中心位置沿着第二方向F2在第一方向F1上依次偏移。由此，可以利用第二电极2a1的偏移位置设置第二电极走线2b，保证j条第二电极走线2b可以与mj个第二电极2a1对应相连。In some embodiments of the present disclosure, as shown in FIG. 2, the center positions of the j second electrodes 2a1 in the second electrode unit 2a0 are sequentially shifted in the first direction F1 along the second direction F2. Therefore, the offset position of the second electrode 2a1 can be used to set the second electrode traces 2b to ensure that the j second electrode traces 2b can be connected to the mj second electrodes 2a1 correspondingly.
例如在图2所示的示例中，对于第i列触控单元10来说，第二电极列2a包括沿第二方向F2依次排列的m个第二电极单元2a0，每个第二电极单元2a0包括j个第二电极2a1，分别为电极RXi-1、电极RXi-2、电极RXi-3……电极RXi-j，其中，电极RXi-1的中心、电极RXi-2的中心、电极RXi-3的中心、以及电极RXi-j的中心依次向左偏移，或者说，RXi-1的中心、电极RXi-2的中心、电极RXi-3的中心、以及电极RXi-j的中心的连线自上向下、从右向左倾斜。需要说明的是，在图2中所示的具体示例中，j＝4，但本公开不限于此，在本领域技术人员阅读了本申请的方案后，显然能够理解j≥2的全部实施例。For example, in the example shown in FIG. 2, for the i-th column of touch units 10, the second electrode column 2a includes m second electrode units 2a0 sequentially arranged along the second direction F2, and each second electrode unit 2a0 It includes j second electrodes 2a1, which are electrode RXi-1, electrode RXi-2, electrode RXi-3...electrode RXi-j, where the center of electrode RXi-1, the center of electrode RXi-2, and electrode RXi- The center of 3 and the center of electrode RXi-j are shifted to the left in turn, or the line connecting the center of RXi-1, the center of electrode RXi-2, the center of electrode RXi-3, and the center of electrode RXi-j Tilt from top to bottom, from right to left. It should be noted that in the specific example shown in FIG. 2, j=4, but the present disclosure is not limited to this. After reading the solution of this application, a person skilled in the art can obviously understand all embodiments where j≥2 .
在本公开的一些实施例中，如图2所示，第二电极单元2a0中的j个第二电极2a1的宽度相同，且每相邻两个第二电极2a1的中心位置在第一方向F1上的间距均相同，也就是说，第二电极单元2a0中的j个第二电极2a1的中心沿着第二方向F2在第一方向F1上依次偏移的距离相同。例如在图2所示的示例中，电极RXi-1的宽度、电极RXi-2的宽度、电极RXi-3的宽度、以及电极RXi-j的宽度相同，且电极RXi-2的中心相对于电极RXi-1的中心向左偏移的距离为L1、电极RXi-3的中心相对于电极RXi-2的中心向左偏移的距离为L2、电极RXi-j的中心相对于电极RXi-3的中心向左偏移的距离为L3，L1＝L2＝L3。由此，方便制造和设计，且能够使得该第二单元2中的j条第二电极走线2b沿第二方向F2延伸的部分的宽度一致，从而可以提高触控单元10的可靠性。In some embodiments of the present disclosure, as shown in FIG. 2, the widths of j second electrodes 2a1 in the second electrode unit 2a0 are the same, and the center positions of every two adjacent second electrodes 2a1 are in the first direction F1. The distances above are all the same, that is, the centers of the j second electrodes 2a1 in the second electrode unit 2a0 are sequentially offset in the first direction F1 along the second direction F2 by the same distance. For example, in the example shown in FIG. 2, the width of the electrode RXi-1, the width of the electrode RXi-2, the width of the electrode RXi-3, and the width of the electrode RXi-j are the same, and the center of the electrode RXi-2 is relative to the electrode The center of RXi-1 is offset to the left by L1, the center of electrode RXi-3 is offset to the left with respect to the center of electrode RXi-2 is L2, the center of electrode RXi-j is relative to the center of electrode RXi-3 The distance from the center to the left is L3, L1=L2=L3. Therefore, it is convenient to manufacture and design, and the width of the portion of the j second electrode traces 2b in the second unit 2 extending along the second direction F2 can be made uniform, so that the reliability of the touch unit 10 can be improved.
此外，需要说明的是：第二电极走线2b沿第二方向F2延伸的部分的宽度与第二电极2a1的宽度的比值不限，例如可以根据j的取值计算，例如在一些具体示例中，第二电极2a1的宽度可以为4mm左右，第二电极走线2b的沿第二方向F2延伸的部分的宽度不小于30μm，j的取值可以在2～10之间，或者j的取值的上限不限。此外，第二电极走线2b的沿第一方向F1延伸的部分在的宽度大于等于第二电极走线2b的沿第二方向F2延伸的部分的宽度， 这里不作限定。In addition, it should be noted that the ratio of the width of the portion of the second electrode trace 2b extending in the second direction F2 to the width of the second electrode 2a1 is not limited, for example, it can be calculated according to the value of j, for example, in some specific examples , The width of the second electrode 2a1 can be about 4mm, the width of the portion of the second electrode trace 2b extending along the second direction F2 is not less than 30μm, the value of j can be between 2-10, or the value of j The upper limit is unlimited. In addition, the width of the portion of the second electrode trace 2b extending in the first direction F1 is greater than or equal to the width of the portion of the second electrode trace 2b extending in the second direction F2, which is not limited here.
在本公开的一些实施例中，如图2所示，第二电极列2a中的每组第二电极单元2a0的结构相同，从而m组第二电极单元2a0沿第二方向F2依次重复设置，其中，第二电极走线2b与每组第二电极单元2a0中沿第二方向F2次序相同的第二电极2a1相连，也就是说，每组第二电极单元2a0中排序相同的第二电极2a1用于传输同一个信号且与同一个第二电极走线2b相连。例如在图2所示的示例中，电极走线RXLi-1与每组第二电极单元2a0中位于第一次序的电极RXi-1相连，电极走线RXLi-2与每组第二电极单元2a0中位于第二次序的电极RXi-2相连，电极走线RXLi-3与每组第二电极单元2a0中位于第三次序的电极RXi-3相连，电极走线RXLi-j与每组第二电极单元2a0中位于第j次序的电极RXi-j相连。由此，方便制造，且便于走线设计。In some embodiments of the present disclosure, as shown in FIG. 2, each group of second electrode units 2a0 in the second electrode column 2a has the same structure, so that m groups of second electrode units 2a0 are repeatedly arranged in sequence along the second direction F2. The second electrode wiring 2b is connected to the second electrodes 2a1 in the same order along the second direction F2 in each group of second electrode units 2a0, that is, the second electrodes 2a1 in the same order in each group of second electrode units 2a0 It is used to transmit the same signal and is connected to the same second electrode trace 2b. For example, in the example shown in FIG. 2, the electrode trace RXLi-1 is connected to the electrode RXi-1 in the first order in each group of the second electrode unit 2a0, and the electrode trace RXLi-2 is connected to each group of the second electrode unit 2a0. The electrode RXi-2 in the second order in 2a0 is connected, the electrode trace RXLi-3 is connected to the electrode RXi-3 in the third order in each group of second electrode unit 2a0, and the electrode trace RXLi-j is connected to the second electrode unit in each group. The electrodes RXi-j located in the j-th order in the electrode unit 2a0 are connected. As a result, it is convenient to manufacture and to facilitate the wiring design.
在本公开的一些实施例中，如图2所示，每组第二电极单元2a0中的j个第二电极2a1沿着第二方向F2的次序依次为第一次序电极c1(如图2中所示的电极RXi-1)到第j次序电极cj(如图2中所示的电极RXi-j)，第二单元2中的j条第二电极走线2b分别为第一走线d1(如图2中所示的电极走线RXLi-1)到第j走线dj(如图2中所示的电极走线RXLi-j)，第一走线d1与第一次序电极c1相连，第j走线dj与第j次序电极cj相连，其中，第一走线d1(如图2中所示的电极走线RXLi-1)与第j走线dj(如图2中所示的电极走线RXLi-j)分别位于该第二单元2中的第二电极列2a的宽度两侧，即分别位于第二电极列2a的沿第二方向F2延伸的中心线在第一方向F1上的两侧。由此，方便制造，且便于走线设计，且可以减小第二电极走线2b的占用空间，提高触控精度。In some embodiments of the present disclosure, as shown in FIG. 2, the order of the j second electrodes 2a1 in each group of second electrode units 2a0 along the second direction F2 is the first order electrode c1 (as shown in FIG. 2 The electrode RXi-1) shown in FIG. 1) to the j-th order electrode cj (the electrode RXi-j shown in FIG. 2), and the j second electrode traces 2b in the second unit 2 are the first traces d1. (The electrode trace RXLi-1 as shown in Figure 2) to the j-th trace dj (the electrode trace RXLi-j as shown in Figure 2), the first trace d1 is connected to the first sequence electrode c1 , The j-th trace dj is connected to the j-th order electrode cj, where the first trace d1 (the electrode trace RXLi-1 shown in Figure 2) and the j-th trace dj (as shown in Figure 2) The electrode traces RXLi-j) are respectively located on both sides of the width of the second electrode column 2a in the second unit 2, that is, are respectively located on the center line of the second electrode column 2a extending along the second direction F2 in the first direction F1 On both sides. As a result, it is convenient to manufacture, and to facilitate the wiring design, and the occupied space of the second electrode wiring 2b can be reduced, and the touch accuracy can be improved.
例如在图2所示的示例中，在第二单元2中，除第一次序电极c1和第j次序电极cj以外的其他第二电极2a1均位于第一走线d1(如图2中所示的电极走线RXLi-1)与第j走线dj(如图2中所示的电极走线RXLi-j)之间，且第一走线d1(如图2中所示的电极走线RXLi-1)与第j走线dj(如图2中所示的电极走线RXLi-j)均沿第二方向F2延伸，第一走线d1与第一次序电极c1的右侧对齐，第j走线dj与第j次序电极cj的左侧对齐，从而方便制造，且可以减小第二电极走线2b的占用空间，提高触控精度。For example, in the example shown in FIG. 2, in the second unit 2, the other second electrodes 2a1 except for the first order electrode c1 and the j-th order electrode cj are all located on the first trace d1 (as shown in FIG. 2 Between the electrode trace RXLi-1) and the j-th trace dj (the electrode trace RXLi-j shown in Figure 2), and the first trace d1 (the electrode trace shown in Figure 2 RXLi-1) and the j-th trace dj (the electrode trace RXLi-j as shown in FIG. 2) both extend along the second direction F2, and the first trace d1 is aligned with the right side of the first sequence electrode c1, The j-th trace dj is aligned with the left side of the j-th order electrode cj, thereby facilitating manufacturing, reducing the occupied space of the second electrode trace 2b, and improving touch accuracy.
在本公开的一些实施例中，如图2所示，当j＞2，且1＜x＜j时，第二单元2中的第x走线dx与每组第二电极单元2a0中次序为第x次序电极cx相连，第x走线dx从每相邻的两个第二电极单元2a0之间经过以与相邻的两个第x次序电极cx分别相连，且第x走线dx从每个第x次序电极cx的宽度一侧输入连接、宽度另一侧输出连接。由此，方便制造，且便于走线设计，且可以尽量减小第二电极走线2b的占用空间，提高触控精度。In some embodiments of the present disclosure, as shown in FIG. 2, when j>2 and 1<x<j, the order of the xth trace dx in the second unit 2 and the second electrode unit 2a0 in each group is The x-th order electrode cx is connected, the x-th trace dx passes between every two adjacent second electrode units 2a0 to connect to two adjacent x-th sequence electrodes cx respectively, and the x-th trace dx is connected from every The x-th order electrode cx has an input connection on one side of the width and an output connection on the other side of the width. As a result, it is convenient to manufacture, and to facilitate the wiring design, and the occupied space of the second electrode wiring 2b can be reduced as much as possible, and the touch accuracy can be improved.
例如在图2所示的示例中，当x＝2、m＝3时，第二单元2中的第x走线dx(如图2中所示的电极走线RXLi-2)，首先由上数第一组第二电极单元2a0(如图2中所示的R1组)中的第x次序电极cx(如图2中所示的电极RXi-2)的宽度左侧输入连接、宽度右侧输出连接，之后第x走线dx(如图2中所示的电极走线RXLi-2)从上数第一组第二电极单元2a0(如图2中所示的R1组)与上数第二组第二电极单元2a0(如图2中所示的R2组)之间从右向左经过，以由上数第二组第二电极单元2a0(如图2中所示的R2组)中的第x次序电极cx(如图2中所示的电极RXi-2)的宽度左侧输入连接、宽度右侧输出连接，之后第x走线dx(如图2中所示的电极走线RXLi-2)从上数第二组第二电极单元2a0(如图2中所示的R2组)与上数第三组第二电极单元2a0(如图2中所示的Rm组)之间从右向左经过，以由上数第三组第二电极单元2a0(如图2中所示的Rm组)中的第x次序电极cx(如图2中所示的电极RXi-2)的宽度左侧输入连接、宽度右侧输出连接。For example, in the example shown in Fig. 2, when x=2, m=3, the x-th trace dx in the second unit 2 (the electrode trace RXLi-2 shown in Fig. 2) is firstly transferred from the upper Count the width of the x-th order electrode cx (electrode RXi-2 shown in Figure 2) in the first group of the second electrode unit 2a0 (R1 group shown in Figure 2) Output connection, and then the xth trace dx (electrode trace RXLi-2 as shown in Figure 2) from the first group of the second electrode unit 2a0 (R1 group as shown in Figure 2) and the upper number Two sets of second electrode units 2a0 (group R2 as shown in FIG. 2) pass from right to left, so as to count the second group of second electrode units 2a0 from the top (group R2 as shown in FIG. 2). The width of the x-th order electrode cx (electrode RXi-2 as shown in Figure 2) is connected to the input on the left and the output is connected to the right of the width. -2) Between the second electrode unit 2a0 from the top (R2 group as shown in Figure 2) and the second electrode unit 2a0 from the third group from the top (Rm group as shown in Figure 2) Pass right to left, with the width of the x-th order electrode cx (electrode RXi-2 as shown in Fig. 2) in the third group of second electrode unit 2a0 from the top (Rm group as shown in Fig. 2) Input connection on the left side and output connection on the right side of the width.
在本公开的一些实施例中，如图2所示，触控层100中的每列触控单元10的结构均相同，也就是说，每列触控单元10中的第一单元1的结构均相同，每列触控单元10中的第二单元2的结构也均相同。由此，触控层100的结构简单，且方便制造。当然，本公开不限于此，在本公开的其他实施例中，触控层100中的每列触控单元10的结构还可以不相同，例如，一些触控单元10中的第一单元1的结构不相同，或者一些触控单元10中的第二单元2的结构不相同，等等，这里不作赘述。In some embodiments of the present disclosure, as shown in FIG. 2, the structure of each row of touch units 10 in the touch layer 100 is the same, that is, the structure of the first unit 1 in each row of touch units 10 They are all the same, and the structure of the second unit 2 in each column of the touch unit 10 is also the same. Therefore, the structure of the touch layer 100 is simple and easy to manufacture. Of course, the present disclosure is not limited to this. In other embodiments of the present disclosure, the structure of each column of touch units 10 in the touch layer 100 may also be different. For example, the structure of the first unit 1 in some touch units 10 The structure is different, or the structure of the second unit 2 in some touch units 10 is different, etc., which will not be repeated here.
图3是图2中所示的触控单元10的局部放大图，如图3所示，触控层100整体为单层的金属网格20(即金属网格电容触控技术、Metal Mesh)，从而使得第一电极1a1、第一电极走线1b、第二电极2a1和第二电极走线2b均由金属网格20构成，也就是说，全部触控电极及全部触控电极走线采用金属网格20设计，全部信号为同层金属，方便制造和制造，且当触控层100和显示模组B层叠在一起时，金属网格20可以避让显示模组B的像素发光区域，例如当显示模组B为有机电激光显示模组(Organic Electroluminesence Display，简称OLED)时，金属网格20可以位于单个OLED发光单元的发光区域***，从而可以明显降低触控走线影响OLED发光造成的光学影像不良的问题。FIG. 3 is a partial enlarged view of the touch unit 10 shown in FIG. 2. As shown in FIG. 3, the touch layer 100 as a whole is a single-layer metal mesh 20 (ie, metal mesh capacitive touch technology, Metal Mesh) , So that the first electrode 1a1, the first electrode trace 1b, the second electrode 2a1, and the second electrode trace 2b are all composed of the metal mesh 20, that is to say, all touch electrodes and all touch electrode traces use The metal grid 20 is designed, all signals are of the same layer of metal, which is convenient for manufacturing and manufacturing. When the touch layer 100 and the display module B are stacked together, the metal grid 20 can avoid the pixel light-emitting area of the display module B, for example When the display module B is an Organic Electroluminesence Display (OLED), the metal grid 20 can be located outside the light-emitting area of a single OLED light-emitting unit, which can significantly reduce the influence of touch traces on OLED light emission. The problem of poor optical image.
如图3所示，触控层100由于整体为金属网格20，从而由多个网格单元20a组成(例如图3中一个六边形网格为一个网格单元20a)，在上文的实施例中，当第一电极走线1b沿第二方向F2延伸时，第一电极走线1b的列宽可以不超过两列网格单元20a的列宽，当第二电极走线2b沿第二方向F2延伸时，第二电极走线2b的列宽也可以不超过两列网格单元20a的列宽，当第二电极走线2b为折线，其沿第二方向F2延伸的部分的列宽也可以不 超过两列网格单元20a的列宽，其沿第一方向F1延伸的部分的行宽可以不超过三行网格单元20a的行宽。由此，可以减少触控电极走线的铺设面积，从而增大触控电极的铺设面积，进而提高触控精度。需要说明的是，本文所述的列宽指的是在第一方向F1上的宽度，本文所述的行宽指的是在第二方向F2上的宽度。As shown in FIG. 3, the touch layer 100 is composed of a plurality of mesh units 20a because the whole is a metal mesh 20 (for example, a hexagonal mesh in FIG. 3 is a mesh unit 20a). In an embodiment, when the first electrode trace 1b extends along the second direction F2, the column width of the first electrode trace 1b may not exceed the column width of the two columns of grid cells 20a, and when the second electrode trace 2b extends along the first When extending in the two directions F2, the column width of the second electrode trace 2b may not exceed the column width of the two rows of grid cells 20a. When the second electrode trace 2b is a broken line, the column width of the second electrode trace 2b extends along the second direction F2. The width may not exceed the column width of the two columns of grid cells 20a, and the row width of the portion extending along the first direction F1 may not exceed the row width of the three rows of grid cells 20a. As a result, the laying area of the touch electrode traces can be reduced, thereby increasing the laying area of the touch electrode, thereby improving the touch accuracy. It should be noted that the column width described herein refers to the width in the first direction F1, and the row width described herein refers to the width in the second direction F2.
需要说明的是，如图3所示，不要求每个网格单元20a的结构均相同，例如当触控层100和显示模组B层叠在一起时，可以根据显示模组B的像素排列决定，例如可以根据显示模组B的像素发光区域的形态匹配设计，此外，每个网格单元20a的具体形状不限，也需要根据显示模组B的像素发光区域的形态匹配设计，例如可以是图3中所示的六边形网格、或者其他多边形网格等等。It should be noted that, as shown in FIG. 3, the structure of each grid unit 20a is not required to be the same. For example, when the touch layer 100 and the display module B are stacked together, it can be determined according to the pixel arrangement of the display module B. For example, the design can be matched according to the shape of the pixel light-emitting area of the display module B. In addition, the specific shape of each grid unit 20a is not limited, and the design needs to be matched according to the shape of the pixel light-emitting area of the display module B, for example, The hexagonal grid shown in Figure 3, or other polygonal grids, etc.
图4是图3中所示的金属网格20的局部放大图，如图4所示，一些网格单元20a上具有防短路的断开口20b，从而可以利用断开口20b来避免任意两个第一信号线短路、任意两个第二信号线短路，以及任意一个第一信号线与任意一个第二信号线短路。由此，通过设置断开口20b，可以有效地避免短路问题，且可以简化制造难度，使得触控层100为单层结构能够实现。在本公开的一些实施例中，除去断开口20b，触控层100整体为规则的金属网格20结构，其包括的全部网格单元20a规则且周期性排布，从而方便制造。FIG. 4 is a partial enlarged view of the metal grid 20 shown in FIG. 3. As shown in FIG. 4, some grid units 20a have short-circuit-proof openings 20b, so that the openings 20b can be used to avoid any two One first signal line is short-circuited, any two second signal lines are short-circuited, and any one first signal line is short-circuited with any one second signal line. Therefore, by providing the opening 20b, the short circuit problem can be effectively avoided, and the manufacturing difficulty can be simplified, so that the touch layer 100 can be realized as a single-layer structure. In some embodiments of the present disclosure, excluding the opening 20b, the touch layer 100 has a regular metal grid 20 structure as a whole, and all the grid units 20a included in it are regularly and periodically arranged, thereby facilitating manufacturing.
如图4所示，网格单元20a为由多个直线侧边围成的多边形网格，断开口20b形成在直线侧边上，直线侧边在断开口20b处断开的间隙为2.5um-5um，从而可以使得两条信号线分开不发生短路，而且该断开距离可以满足曝光机的曝光精度，使得制造成为可能。由此，可以保证各触控电极及触控电极走线在分界处的走线垂直相对且间隙较小，从而可以明显降低触控电极走线造成的光学影像不良问题。As shown in Fig. 4, the mesh unit 20a is a polygonal mesh surrounded by a plurality of straight sides, the opening 20b is formed on the straight side, and the gap between the straight side and the opening 20b is 2.5. um-5um, so that the two signal lines can be separated without short circuit, and the disconnection distance can meet the exposure accuracy of the exposure machine, making manufacturing possible. Therefore, it can be ensured that the traces of the touch electrodes and the touch electrode traces at the boundary are perpendicular to each other and the gap is small, thereby significantly reducing the problem of poor optical images caused by the touch electrode traces.
图5为根据本公开一个实施例的触控显示屏1000的部分结构的局部层叠示意图，如图5所示，触控显示屏1000可以包括显示模组B和触控模组A，显示模组B包括封装层200，触控模组A为根据本公开任一实施例的触控模组A，触控层100设置在封装层200上。由此，由于触控模组A的厚度较薄，且所需制程较少，制造容易，产品良率较高，从而使得触控显示屏1000整体的厚度较薄，且所需制程较少，制造容易，产品良率较高。而且，通过将触控层100直接制造在显示模组B的封装层200上，利用显示模组B的封装层200作为触控层100的基底，从而可以进一步减小触控显示屏1000的厚度。FIG. 5 is a partial stacking schematic diagram of a part of the structure of the touch display screen 1000 according to an embodiment of the present disclosure. As shown in FIG. 5, the touch display screen 1000 may include a display module B and a touch module A. The display module B includes an encapsulation layer 200, the touch module A is a touch module A according to any embodiment of the present disclosure, and the touch layer 100 is disposed on the encapsulation layer 200. Therefore, since the thickness of the touch module A is thinner, and fewer manufacturing processes are required, the manufacturing is easy, and the product yield rate is higher, so that the overall thickness of the touch display screen 1000 is thinner, and fewer manufacturing processes are required. It is easy to manufacture, and the product yield is high. Moreover, by directly manufacturing the touch layer 100 on the packaging layer 200 of the display module B, and using the packaging layer 200 of the display module B as the base of the touch layer 100, the thickness of the touch display screen 1000 can be further reduced. .
本公开还提出了一种用于制造上述触控显示屏1000的制造方法，具体而言，制造方法包括步骤：制作封装层200，在封装层200上制作单层金属网格20，以构成触控层100。由此，制造非常简便、快捷，且使得触控显示屏1000的厚度较薄。例如在一些实施例中，可 以采用曝光工艺或丝网印刷工艺制造在封装层200上制造出金属网格20，以构成触控层100，从而方便制造，且容易制造出符合要求的金属网格20，操作非常方便，成本低，制造效率高，良品率高。The present disclosure also proposes a manufacturing method for manufacturing the aforementioned touch display screen 1000. Specifically, the manufacturing method includes the steps of: fabricating an encapsulation layer 200, and fabricating a single-layer metal grid 20 on the encapsulation layer 200 to form a touch screen.控层100。 Control layer 100. Therefore, the manufacturing is very simple and fast, and the thickness of the touch display screen 1000 is thinner. For example, in some embodiments, an exposure process or a screen printing process may be used to manufacture the metal mesh 20 on the packaging layer 200 to form the touch layer 100, thereby facilitating manufacturing and easily manufacturing a metal mesh that meets the requirements. 20. The operation is very convenient, the cost is low, the manufacturing efficiency is high, and the yield rate is high.
其中，封装层200的材质不限、例如可以是有机或者无机膜层等。另外，显示模组B的类型不限，例如可以是OLED、液晶显示器(Liquid Crystal Display，简称LCD)、电子纸、电子墨水屏等，而且，显示模组B还可以为OLED中的主动矩阵有机发光二极管(Active-matrix organic light-emitting diode，简称AMOLED)、被动矩阵有机发光二极管Passive matrix organic light-emitting diode，简称PMOLED)等。Wherein, the material of the encapsulation layer 200 is not limited, for example, it may be an organic or inorganic film layer. In addition, the type of display module B is not limited, for example, it can be OLED, liquid crystal display (LCD), electronic paper, electronic ink screen, etc., and display module B can also be an active matrix organic in OLED. Active-matrix organic light-emitting diode (AMOLED for short), Passive matrix organic light-emitting diode (PMOLED for short), etc.
可以理解的是，在显示模组B的类型确定后，本领域技术人员能够知晓显示模组B的其他构成。例如在图5所示的示例中，当显示模组B为AMOLED时，显示模组B还可以包括阴极层300，阴极层300位于封装层200的远离触控层100的一侧，或者说，封装层200夹设在阴极层300和触控层100之间。由此，在制造时，可以在AMOLED的阴极层300及封装层200(例如薄膜封装层TFE)的工艺完成后，直接在封装层200的顶部制作包括触控发射电极、触控接收电极、触控发射电极走线和触控接收电极走线的单层触控层100，制造非常简便、快捷，且使得触控显示屏1000的厚度较薄。It can be understood that after the type of the display module B is determined, those skilled in the art can know other components of the display module B. For example, in the example shown in FIG. 5, when the display module B is an AMOLED, the display module B may also include a cathode layer 300, and the cathode layer 300 is located on the side of the encapsulation layer 200 away from the touch layer 100, or in other words, The encapsulation layer 200 is sandwiched between the cathode layer 300 and the touch layer 100. Therefore, during manufacturing, after the process of the cathode layer 300 and the encapsulation layer 200 (such as the thin film encapsulation layer TFE) of the AMOLED is completed, the touch emitting electrode, the touch receiving electrode, and the touch can be directly fabricated on the top of the encapsulation layer 200. The single-layer touch layer 100 for controlling the routing of the transmitting electrode and the routing of the touch receiving electrode is very simple and fast to manufacture, and makes the thickness of the touch display screen 1000 thinner.
根据本公开实施例的触控显示屏1000可以用于电子设备，根据本公开实施例的电子设备，通过设置上述触控模组A，可以减小电子设备的厚度，降低电子设备的生产成本。需要说明的是，电子设备的类型不限，例如可以是手机、平板电脑、车载电脑、穿戴设备等等，当电子设备的类型确定后，本领域技术人员能够知晓电子设备的其他构成，这里不作赘述。The touch display screen 1000 according to the embodiment of the present disclosure can be used in an electronic device. According to the electronic device of the embodiment of the present disclosure, by providing the above-mentioned touch module A, the thickness of the electronic device can be reduced, and the production cost of the electronic device can be reduced. It should be noted that the type of electronic device is not limited, for example, it can be a mobile phone, a tablet computer, a car computer, a wearable device, etc. When the type of the electronic device is determined, the person skilled in the art can know the other components of the electronic device, which will not be described here. Go into details.
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean specific features described in conjunction with the embodiment or example , Structures, materials, or characteristics are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples and the features of the different embodiments or examples described in this specification without contradicting each other.
尽管已经示出和描述了本公开的实施例，本领域的普通技术人员可以理解：在不脱离本公开的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本公开的范围由权利要求及其等同物限定。Although the embodiments of the present disclosure have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and modifications can be made to these embodiments without departing from the principle and purpose of the present disclosure. The scope of the present disclosure is defined by the claims and their equivalents.

Claims (15)

  1. 一种触控模组，其中，包括：A touch control module, which includes:
    触控层，所述触控层为单层结构，且包括沿第一方向依次排布的n列触控单元，每列所述触控单元均包括沿所述第一方向依次排布的第一单元和第二单元，A touch layer, the touch layer is a single-layer structure and includes n rows of touch units arranged in sequence along a first direction, and each row of the touch units includes a first row of touch units arranged in sequence along the first direction. Unit one and unit two,
    所述第一单元包括一列第一电极列和m条第一电极走线，所述第一电极列包括沿第二方向依次排布的m个第一电极，每条所述第一电极走线分别与一个所述第一电极相连，以形成m条第一信号线，所述第二方向与所述第一方向交叉；The first unit includes a row of first electrode rows and m first electrode traces, the first electrode row includes m first electrodes sequentially arranged along a second direction, and each of the first electrode traces Are respectively connected to one of the first electrodes to form m first signal lines, and the second direction crosses the first direction;
    所述第二单元包括一列第二电极列和j条第二电极走线，所述第二电极列包括沿所述第二方向依次排布的m组第二电极单元，m组所述第二电极单元与m个所述第一电极沿所述第一方向一一相对设置，每组所述第二电极单元均包括沿所述第二方向依次排布的j个第二电极，每条所述第二电极走线分别与每组所述第二电极单元中一个所述第二电极相连，以形成j条第二信号线。The second unit includes a row of second electrode rows and j second electrode traces, and the second electrode row includes m groups of second electrode units arranged in sequence along the second direction, and m groups of second electrode units. The electrode unit and the m first electrodes are arranged opposite to each other along the first direction, and each group of the second electrode units includes j second electrodes arranged in sequence along the second direction, and each The second electrode traces are respectively connected to one of the second electrodes in each group of the second electrode units to form j second signal lines.
  2. 根据权利要求1所述的触控模组，其中，所述第一电极列中的m个所述第一电极的宽度沿着所述第二方向依次减小。3. The touch module of claim 1, wherein the widths of the m first electrodes in the first electrode column are sequentially reduced along the second direction.
  3. 根据权利要求2所述的触控模组，其中，所述第一单元中的m个所述第一电极的宽度一侧对齐，m条所述第一电极走线均位于所述第一电极列的宽度同侧。The touch module according to claim 2, wherein the width sides of the m first electrodes in the first unit are aligned, and the m first electrode traces are all located on the first electrodes The width of the column is on the same side.
  4. 根据权利要求1-3中任一项所述的触控模组，其中，所述第二电极单元中的j个所述第二电极的中心位置沿着所述第二方向在所述第一方向上依次偏移。The touch module according to any one of claims 1-3, wherein the center positions of the j second electrodes in the second electrode unit are in the first direction along the second direction. Offset in the direction.
  5. 根据权利要求4所述的触控模组，其中，所述第二电极单元中的j个所述第二电极的宽度相同，且每相邻两个所述第二电极的中心位置在所述第一方向上的间距均相同。The touch module according to claim 4, wherein the widths of the j second electrodes in the second electrode unit are the same, and the center positions of every two adjacent second electrodes are in the The pitches in the first direction are all the same.
  6. 根据权利要求4或5所述的触控模组，其中，所述第二电极列中的每组所述第二电极单元的结构均相同，所述第二电极走线与每组所述第二电极单元中沿所述第二方向次序相同的所述第二电极相连。The touch module according to claim 4 or 5, wherein the structure of each group of the second electrode unit in the second electrode row is the same, and the second electrode trace is connected to each group of the second electrode unit. The second electrodes in the same order along the second direction in the two electrode units are connected.
  7. 根据权利要求6所述的触控模组，其中，每组所述第二电极单元中的j个所述第二电极沿着所述第二方向的次序依次为第一次序电极到第j次序电极，所述第二单元中的j条所述第二电极走线分别为第一走线到第j走线，所述第一走线与每组所述第二电极单元中所述第一次序电极相连，所述第j走线与每组所述第二电极单元中所述第j次序电极相连，所述第一走线与所述第j走线分别位于所述第二电极列的宽度两侧。The touch module according to claim 6, wherein the order of the j second electrodes in each group of the second electrode unit along the second direction is from the first order electrode to the jth electrode. Sequence electrodes, the j second electrode traces in the second unit are respectively a first trace to a j-th trace, and the first trace is connected to the first trace in each group of the second electrode unit. A sequence electrode is connected, the j-th trace is connected to the j-th sequence electrode in each group of the second electrode unit, and the first trace and the j-th trace are respectively located on the second electrode The width of the column on both sides.
  8. 根据权利要求7所述的触控模组，其中，当j＞2，且1＜x＜j时，所述第二单元中 的第x走线与每组所述第二电极单元中次序为第x次序电极相连，所述第x走线从每相邻的两个所述第二电极单元之间经过以与相邻的两个所述第x次序电极分别相连，且所述第x走线从每个所述第x次序电极的宽度一侧输入连接、宽度另一侧输出连接。8. The touch module of claim 7, wherein when j>2 and 1<x<j, the order of the xth trace in the second unit and each group of the second electrode unit is The x-th order electrode is connected, and the x-th trace passes between every two adjacent second electrode units to connect to two adjacent x-th sequence electrodes respectively, and the x-th trace Lines are connected from one side of the width of each x-th order electrode and output from the other side of the width.
  9. 根据权利要求1-8中任一项所述的触控模组，其中，所述触控层中的每列所述触控单元的结构均相同。8. The touch module according to any one of claims 1-8, wherein each row of the touch unit in the touch layer has the same structure.
  10. 根据权利要求1-9中任一项所述的触控模组，其中，所述触控层整体为单层的金属网格，所述第一电极、所述第一电极走线、所述第二电极、所述第二电极走线均由所述金属网格构成。8. The touch module of any one of claims 1-9, wherein the entire touch layer is a single-layer metal mesh, and the first electrode, the first electrode trace, and the Both the second electrode and the second electrode trace are formed by the metal mesh.
  11. 根据权利要求10所述的触控模组，其中，所述金属网格由多个网格单元组成，多个所述网格单元中一些所述网格单元上具有防短路的断开口。10. The touch module of claim 10, wherein the metal grid is composed of a plurality of grid units, and some of the grid units are provided with short-circuit-proof openings.
  12. 根据权利要求11所述的触控模组，其中，所述网格单元为多边形网格，所述断开口形成在所述网格单元的直线侧边上。11. The touch module of claim 11, wherein the grid unit is a polygonal grid, and the opening is formed on a straight side of the grid unit.
  13. 一种触控显示屏，其中，包括显示模组和触控模组，所述显示模组包括封装层，所述触控模组为根据权利要求1-12中任一项所述的触控模组，且所述触控层设置在所述封装层上。A touch display screen, comprising a display module and a touch module, the display module includes an encapsulation layer, and the touch module is the touch control module according to any one of claims 1-12 Module, and the touch control layer is arranged on the encapsulation layer.
  14. 一种触控显示屏的制造方法，其中，所述触控显示屏为根据权利要求13所示的触控显示屏，所述制造方法包括步骤：制作所述封装层，在所述封装层上制作单层的金属网格，以构成所述触控层。A method for manufacturing a touch display screen, wherein the touch display screen is the touch display screen according to claim 13, and the manufacturing method includes the steps of: fabricating the packaging layer, and forming the packaging layer on the packaging layer. A single-layer metal grid is made to form the touch control layer.
  15. 根据权利要求14所述的触控显示屏的制造方法，其中，所述金属网格采用曝光工艺或丝网印刷工艺制造在所述封装层上。The method for manufacturing a touch display screen according to claim 14, wherein the metal grid is manufactured on the packaging layer by an exposure process or a screen printing process.
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