WO2020124707A1 - 一种触控显示面板 - Google Patents

一种触控显示面板 Download PDF

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Publication number
WO2020124707A1
WO2020124707A1 PCT/CN2019/070974 CN2019070974W WO2020124707A1 WO 2020124707 A1 WO2020124707 A1 WO 2020124707A1 CN 2019070974 W CN2019070974 W CN 2019070974W WO 2020124707 A1 WO2020124707 A1 WO 2020124707A1
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WO
WIPO (PCT)
Prior art keywords
metal
area
line
bending
electrode
Prior art date
Application number
PCT/CN2019/070974
Other languages
English (en)
French (fr)
Inventor
冯校亮
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US16/468,703 priority Critical patent/US11042236B2/en
Publication of WO2020124707A1 publication Critical patent/WO2020124707A1/zh

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Classifications

    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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
    • G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Definitions

  • the invention relates to a touch display panel.
  • the touch panel has been widely used in the field of touch display technology as a new input device.
  • display technology people hope that the screen will become larger and larger, and that it will be convenient and portable, but there is a contradiction between the two to some extent. Therefore, the appearance of folding display panels can solve this problem well: unfolding can be used for entertainment, folding can be used for communication and carrying, and the application and development of this technology have gradually penetrated into the mainstream display field.
  • the existing bendable touch device is connected to the touch electrodes with a metal wire at a fixed bending position, so that the touch device can only be bent at a fixed position, and if the touch electrode is bent, Once the touch electrode cracks, it can easily spread to the whole electrode, resulting in touch failure.
  • the purpose of the present invention is to provide a touch display panel, which can effectively solve the technical problems that the display screen is too large and is not easy to carry; the touch electrode in the bending area is easily broken when bent.
  • a touch display panel including:
  • the touch display panel Including a plurality of first metal wires and a plurality of second metal wires; each first metal wire is parallel to the bending center line; each second metal wire has a plurality of second metal wire segments spaced apart from each other, and each second metal wire segment Vertically connected to a first metal line; the first metal line and the second metal line form a grid-shaped first metal layer; in the bending area, the touch display panel further includes an organic layer and A plurality of third metal lines, the organic layer overlies the first metal layer; the plurality of third metal lines is provided on the organic layer and is perpendicular to the first metal line; each third metal line Corresponding to the second metal wire, each third metal wire has a plurality of spaced third metal wire segments, the third metal wire segment is connected to one of the second metal wire segments, and the adjacent two third metal wire segments are connected In
  • the touch display panel further includes: a substrate; a plurality of touch areas, the array is arranged in the bending area and the non-bending area; each touch area has two first electrode areas disposed oppositely and Two oppositely arranged second electrode regions; the center line of the two oppositely arranged first electrode regions and the center line of the two oppositely arranged second electrode regions cross each other and form a cross region.
  • first metal line extends from one first electrode area of the touch area through the intersection area to another first electrode area; the second metal line extends from one of the touch area The first electrode area extends through the intersection area to another first electrode area.
  • connection line of the area extends from one second electrode area of the touch area through the intersection area to another second electrode area; at least one fourth metal line insulated from the third metal line is the first Bridge connection of an electrode area.
  • the organic layer has a first through hole penetrating the entire organic layer, and the center line of the first through hole has a first angle with the direction of the first metal trace, and the first angle The angle range of is 40° ⁇ 70°, and the third metal wire segment is connected to the second metal wire segment through a corresponding first through hole.
  • the organic layer has a second through hole penetrating the entire organic layer, and the center line of the second through hole has a second included angle with the direction of the first metal trace, and the second included angle
  • the angle range of is 40° ⁇ 70°
  • the fourth metal wire segment is connected to the second metal wire segment through a corresponding second through hole.
  • both sides of the third metal wire forming the connecting wire of the second electrode region have an extension line; the extension line extends from the organic layer to the There is no bending region, and the extension line extends to the layer where the first metal line is located.
  • At least one fourth metal line insulated from the third metal line is a bridge line of the first electrode area of the touch area.
  • the first electrode area and the second electrode area are both diamond-shaped patterns, two first electrode areas are oppositely arranged, two second electrode areas are oppositely arranged, and two The touch area formed by one electrode area and two second electrode areas is also a diamond pattern.
  • the touch display panel further includes a protective layer covering the third metal line and the fourth metal line.
  • the touch display panel provided by the present invention compared with the conventional touch screen manufacturing process, adds a layer of organic layer in the bending area, and the metal line in the vertical bending direction passes through two layers when the metal grid of the bending layer is manufactured
  • the metal is formed by interpenetrating up and down, which enhances the bending resistance of the metal.
  • FIG. 1 is a schematic structural diagram of a touch display panel provided by the present invention.
  • FIG. 2 is a schematic structural diagram of a folded state of a touch display panel provided by the present invention.
  • FIG. 3 is a schematic structural diagram of a second touch area of a non-bending area of a touch display panel provided by the present invention.
  • FIG. 4 is a schematic diagram of a cross-sectional structure of the connecting line BB of the second touch area provided by the present invention.
  • FIG. 5 is a schematic cross-sectional structure diagram of the connecting line AA of the second touch area provided by the present invention.
  • FIG. 6 is a schematic cross-sectional structure diagram of a bending area of a touch display panel provided by the present invention.
  • FIG. 7 is a schematic diagram of the structure of the first metal wire and the second metal wire in the bending area of the touch display panel heard in the present invention.
  • FIG. 8 is a schematic diagram of a connection line structure of a first touch area provided by the present invention.
  • FIG. 9 is a schematic structural diagram of a first touch area of a bending area of a touch display panel provided by the present invention.
  • the present invention provides a touch display panel 100 including: a bending area 102 and a non-bending area 101 connected to both sides of the bending area 102, the bending area 102 has a bending center line 12.
  • the touch display panel 100 is mainly formed by a substrate 10 and a touch area 103 covering the substrate 10.
  • the touch area array is arranged in the bending area and the non-bending area, the touch area 103 includes a first touch area 13 and a second touch area 11, the first touch area 13 Distributed in the bending area, the second touch area 11 is distributed in the non-bending area 101.
  • the substrate 10 is generally a TFT array substrate.
  • the touch display panel 100 provided by the present invention can be folded around the bending center line 12 to form the state as shown in FIG. 2. Folding the touch display panel 100 can be easily carried, and can also perform touch display in the state of FIG. 2.
  • the touch display panel 100 when the touch display panel 100 is used, the touch display panel can be used according to the unfolded condition shown in FIG. 1, the non-bending area 101 is located in the middle of the bending area 102 and connected to the Non-bending zone 101. Further, the touch panel can also be folded and used according to FIG. 2. In order to enable the bending region 102 to be bent better, the present invention uses an organic film layer to fill the bending region 102 to form an organic layer 20 to facilitate better bending.
  • the touch display panel 100 includes a plurality of first metal wires 21 and a plurality of second metal wires 22; each first metal wire 21 is parallel to the bending Center line 12; each second metal line 22 has a plurality of second metal line segments 221 spaced apart from each other, each second metal line segment 221 is vertically connected to a first metal line 21; the first metal line 21 and the first The two metal lines 22 form a grid-shaped first metal layer (corresponding to the metal grid line 210 marked in FIG. 3 ).
  • the non-bending area 101 includes a plurality of second touch areas 11, and the second touch area 11 also includes two oppositely arranged first electrode areas 201 and two oppositely arranged second electrode areas 202
  • the center connection of the two first electrode regions 201 and the center connection of the two second electrode regions 202 cross each other and form a cross region 104.
  • Both the first electrode area 201 and the second electrode area 202 of the touch area are metal grid lines 210 formed by horizontally and vertically interlaced metal lines.
  • the touch area 103 formed by the two first electrode areas 201 and the two second electrode areas 202 is also a diamond pattern.
  • the touch display panel 100 includes a first metal layer covering the substrate 10, an insulating layer 15 and a fourth metal line 16;
  • the first metal line 21 extends from one first electrode area 201 of the touch area through the intersection area 104 to another first electrode area 201; the second metal line 22 extends from the second touch One first electrode area of the control area extends through the intersection area to another first electrode area.
  • the first metal layer 14 covers the substrate 10; the insulating layer 15 covers the first metal layer 14 and the substrate; the The fourth metal line 16 partially covers the insulating layer 15 and another part passes through the insulating layer 15 and is connected to the second metal layer 14.
  • the fourth metal line 18 is the first electrode of the touch area ⁇ 16.
  • the first metal layer 14 forms a metal grid line 210 of the touch area in the non-bending area 101.
  • the portion of the first metal layer 14 serves as a center line connecting the two first electrode regions 201 of the touch area, as marked 141 in FIG. 4 or 5; the fifth metal line 16 is used to connect the The center of the second electrode region 202 is connected to the line.
  • An insulating layer 15 is provided between the central connecting lines of different electrodes, which can prevent different electrodes from affecting each other's work.
  • AA and BB are the center lines connecting the second electrode areas 202, wherein AA is a metal line segment insulated from each other and does not serve to connect the two second electrode areas 202
  • the BB connection line plays the technical effect of connecting the second electrode region 202.
  • the first electrode area and the second electrode area are connected to each other through the center line to form a complete second touch area 11, so that the non-bent area 101 can obtain touch signals and transmit touch signals.
  • the center connection of the first electrode region 201 is on the same layer as the first electrode; the center connection of the second electrode region 202 passes through the second electrode A fifth metal wire 16 is provided for connection.
  • An insulating layer 15 is provided between the fifth metal line 16 and the central connection of the first electrode area 201, the first electrode area 201 is used to transmit touch signals, and the second electrode area 202 is used to receive Touch signal.
  • the touch sensing effect of the touch display panel 100 can be enhanced.
  • the bending zone 102 of the present invention will be further described with reference to FIGS. 6 and 7.
  • the touch display panel 100 includes a plurality of first metal lines 21, second metal lines 22, organic layers 20, third metal lines 19 and fourth metal lines 18.
  • the touch display panel 100 includes a plurality of first metal wires 21a and a plurality of second metal wires 22a; each first metal wire 21a is parallel to the bending center line 12;
  • the two metal wires 22a have a plurality of second metal wire segments 221 spaced apart from each other, and each second metal wire segment 221 is vertically connected to a first metal wire 21a; the first metal wire 21a and the second metal wire 22a form a grid
  • the first metal layer (corresponding to the marked metal grid line 210 of FIG. 8).
  • the first metal wire 21a is disposed on the substrate 10 parallel to the bending center line 12.
  • the first metal wires 21 a include parallel to each other on the substrate 10 and correspond to the bending region 102.
  • Each first metal wire 21 a includes a plurality of first metal wire segments 211.
  • Each second metal wire 22a has a plurality of second metal wire segments 221 spaced apart from each other, and each second metal wire segment 221 is vertically connected to a first metal wire 21a; the first metal wire 21a and the second metal
  • the line 22a forms a grid-like first metal layer (not marked in the figure); this is used to form a rhombic pattern of the touch electrodes of the bending region 102 (see the pattern shown in FIG. 8).
  • the organic layer 20 covers the first metal layer 21 of the bending region; the material of the organic layer 20 may be a polyimide film; the organic layer 20 is yellow and transparent, and the relative density is 1.39 ⁇ 1.45, polyimide film has excellent high and low temperature resistance, electrical insulation, adhesion, radiation resistance, medium resistance, can be used for a long time in the temperature range of -269 °C ⁇ 280 °C, short-term It reaches a high temperature of 400°C.
  • the third metal wire 19 is perpendicular to the first metal wire 21; wherein, each third metal wire 19 corresponds to a second metal wire 22.
  • Each third metal line 19 has a plurality of mutually spaced third metal line segments 191 and a plurality of extension line segments 192, each third metal line segment 191 is disposed on the organic layer 20, and the third metal line segment 192 is connected to one of them In the second metal line segment 221, two adjacent third metal line segments 191 are connected to the same second metal line segment 221.
  • first through hole 23 penetrating the entire organic layer 20.
  • the center line of the first through hole 23 has a first angle A with the direction of the first metal trace 21.
  • the angle range of the first included angle A is 40° to 70°, which is optimally 60° in this embodiment, and may also be 40°, 50°, or 70°; the third metal wire segment 191 passes through the corresponding first
  • the through hole 23 is connected to the second metal line segment 221.
  • the angle range of the first included angle A may be that when the bending area is bent, the metal trace may bear greater stress.
  • a portion of the extension line 192 is provided on the organic layer 20, and one end of the extension line 192 is connected to the first metal layer adjacent to the non-bending area 101 through the organic layer 20, that is, connected The second touch area 11 of the non-bending area 101.
  • the third metal wire 19 is disposed on the organic layer 20 in the same layer and parallel to the bending center line 12. There is a gap between the third metal wire 19 and the fourth metal wire 18, each The third metal wire 19 is correspondingly connected to at least one second metal wire 21.
  • the fourth metal line 18 is disposed on the organic layer 20 and parallel to the bending center line 12, and each fourth metal line 18 is correspondingly connected to at least one first Metal wire 21.
  • the fourth metal wire 18 is used to connect two connecting wires of the second electrode region 202.
  • the organic layer 20 has a second through hole 24 penetrating the entire organic layer 20.
  • the center line of the second through hole 24 has a second angle B with the direction of the first metal trace 21.
  • the angle range of the second included angle B is 40° to 70°, which is optimally 60° in this embodiment, and may also be 40°, 50°, or 70°.
  • the fourth metal wire segment 18 is connected to the second metal wire segment 221 through the corresponding second through hole 24.
  • the fourth metal line 18 is used to form the touch electrode pattern or as a center line connecting the first electrode area 201; the fifth metal line 16 is used as a center connecting the second electrode area 202 line.
  • the first touch area 13 covers the substrate 10, and each touch area has a touch electrode area, including two first electrode areas 201 and two second electrode areas 202
  • the center connection of the two first electrode regions 201 and the center connection of the two second electrode regions 202 are perpendicular to and cross each other, and the touch electrode regions are insulated.
  • the center line of the two first electrode regions 201 is parallel to the bending center line 12.
  • the fourth metal wire 18 is used as a connecting wire for connecting the second electrode region 202, and the fourth metal wire 18 at the C1 C1C2C3-C1'C2'C3' position is connected downward to the first metal wire 21
  • the first metal line segment 211 The position of C1 C1C2C3-C1'C2'C3' in Fig. 7 corresponds to the mark in Fig. 8.
  • the fourth metal line 18 forms the bridge point grid line, and the pattern in the first electrode area 201 is in communication with the second metal line segment, and it is not necessary to form the span in the non-bending area 101 Bridge structure.
  • the second metal line segment 221 of the second metal line 22 is used as a connection line for connecting the first electrode area.
  • the connection line of the first electrode area and the connection line of the second electrode area are insulated from each other Connected.
  • the first touch area 13 the first electrode area 201, and the second electrode area 202 are all diamond-shaped patterns, and may also be square or rectangular.
  • the structure of the first touch area 13 is different from that of the second touch area 11.
  • the metal grid lines 210 of the touch electrodes in the non-bending area 101 are connected and arranged in the same layer.
  • the first touch area 13 The upper and lower layers of the touch electrode metal grid line 210 are interspersed with each other, which is convenient for bending and deforming and increases the stress of the bending area 102, and can protect the first touch area 13 of the bending area 102. This is a great progress made by the present invention to the bending area 102, and the second touch area of the bending area 102 can be better protected.
  • the electrodes of the second touch area 11 of the bending area 102 can be made of a conductive material with high ductility, so that the electrode area of the bending area 102 can be bent for a long time or It is folded, and the electrode area of the touch area of the bending area 102 can be protected.
  • the touch display panel 100 further includes a protective layer 17 covering the first metal layer 14 and the fourth metal line 18 of the first touch area 13, the protective layer 17 Cover the fourth metal line 18 and the third metal line 19 of the second touch area 11 to protect the touch area 103 of the touch panel.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种触控显示面板（100），包括弯折区（102）和连接所述弯折区（102）两侧的非弯折区（101），所述弯折区（102）具有一弯折中心线（12）；在所述弯折区（102）和所述非弯折区（101），所述触控显示面板（100）包括若干第一金属线（21）、若干第二金属线（22）；每一第一金属线（21）平行于所述弯折中心线（12）；每一第二金属线（22）具有若干相互间隔的第二金属线段（221），每一第二金属线段（221）与一第一金属线（21）垂直连接；所述第一金属线（21）和所述第二金属线（22）形成网格状的第一金属层（14）；在所述弯折区（102）触控显示面板（100）包括有机层（20）以及若干第三金属线（19），所述有机层（20）覆于所述第一金属层（14）上；和常规触控屏制作工艺相比，增加了一层弯曲区域有机层（20）的制作，并在制作弯曲层金属网格时垂直弯曲方向金属线通过两层金属上下穿插互联而成，这样增强了金属耐弯折特性。

Description

一种触控显示面板 技术领域
本发明涉及一种触控显示面板。
 背景技术
在显示技术领域，触控面板作为一种新的输入装置已经在触控显示技术领域得到广泛应用。随着显示技术的发展，人们即希望屏幕越来越大，又希望可以方便便携，但是这两者在一定程度上存在矛盾。所以折叠显示面板的出现可以很好解决这个问题：展开可以用于娱乐，折叠可以用于通讯、携带，而这项技术的应用和发展也渐渐渗透到主流显示领域中来。
现有的可弯折触控装置在某一或某几个固定的弯折位置用金属线连接触控电极，使得触控装置只能在固定位置弯折，并且若触控电极被弯折，一旦触控电极出现裂纹时，容易扩展到整片电极，导致触控失灵。
 技术问题
本发明的目的在于，提供一种触控显示面板，可以有效地解决显示屏过大，不易携带；弯折区触控电极在弯折的时候易断裂等技术问题。
 技术解决方案
为解决上述技术问题，本发明提供一种触控显示面板，包括：
弯折区和连接所述弯折区两侧的非弯折区，所述弯折区具有一弯折中心线；在所述弯折区和所述非弯折区，所述触控显示面板包括若干第一金属线、若干第二金属线；每一第一金属线平行于所述弯折中心线；每一第二金属线具有若干相互间隔的第二金属线段，每一第二金属线段与一第一金属线垂直连接；所述第一金属线和所述第二金属线形成网格状的第一金属层；在所述弯折区，所述触控显示面板还包括有机层以及若干第三金属线，所述有机层覆于所述第一金属层上；所述若干第三金属线设于所述有机层上且垂直于所述第一金属线；每一第三金属线对应一所述第二金属线，每一第三金属线具有若干相互间隔的第三金属线段，所述第三金属线段连接至其中一第二金属线段，相邻的两条第三金属线段连接于同一所述第二金属线段；在所述弯折区和所述非弯折区，所述触控显示面板还包括若干第四金属线，设于所述有机层上且平行于所述弯折中心线，至少一第四金属线对应的连接至与所述第三金属线绝缘的至少一第一金属线。
进一步地，所述触控显示面板还包括：基板；若干触控区，阵列排布于所述弯折区和非弯折区；每一触控区具有两个相对设置的第一电极区以及两个相对设设置的第二电极区；两个相对设置的第一电极区的中线连线与两个相对设设置的第二电极区的中线连线相互交叉并形成交叉区。
进一步地，所述第一金属线从所述触控区的一个第一电极区穿过所述交叉区延伸至另一第一电极区；所述第二金属线从所述触控区的一个第一电极区穿过所述交叉区延伸至另一第一电极区。
进一步地，在所述弯折区，其中至少一第三金属线的第三金属线段以及与与这些第三金属线段连接的第二金属线段形成第二电极区的连接线，所述第二电极区的连接线从所述触控区的一个第二电极区穿过所述交叉区延伸至另一个第二电极区；与所述第三金属线绝缘的至少一第四金属线为所述第一电极区的桥接线。
进一步地，在所述有机层，具有贯穿整个所述有机层的第一通孔，所述第一通孔的中心线与第一金属走线方向具有一第一夹角，该第一夹角的角度范围为40°~70°，所述第三金属线段通过对应的第一通孔与所述第二金属线段连接。
进一步地，在所述有机层，具有贯穿整个所述有机层的第二通孔，所述第二通孔的中心线与第一金属走线方向具有一第二夹角，该第二夹角的角度范围为40°~70°，所述第四金属线段通过对应的第二通孔与所述第二金属线段连接。
进一步地，其特征在于，在所述弯折区，形成所述第二电极区的连接线的第三金属线的两侧具有延长线；所述延长线从所述有机层上延伸至所述非弯折区，且所述延长线延伸至所述第一金属线所在层。
进一步地，在所述非弯折区，其中与所述第三金属线绝缘的至少一第四金属线为所述触控区的第一电极区的桥接线。
进一步地，在每一触控区，所述第一电极区与所述第二电极区均为菱形图案，两个第一电极区相对设置，两个第二电极区相对设置，且两个第一电极区、两个第二电极区形成的所述触控区也为菱形图案。
进一步地，所述触控显示面板还包括一保护层，覆于所述第三金属线与所述第四金属线上。
 有益效果
本发明的提供的一种触控显示面板，和常规触控屏制作工艺相比，增加了一层弯曲区域有机层的制作，并在制作弯曲层金属网格时垂直弯曲方向金属线通过两层金属上下穿插互联而成，这样增强了金属耐弯折特性。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明提供的触控显示面板结构示意图；
图2为本发明提供的触控显示面板折叠状态的结构示意图；
图3为本发明提供的触控显示面板非弯折区的第二触控区的结构示意图；
图4为本发明提供的第二触控区的连接线BB剖面结构示意图；
图5为本发明提供的第二触控区的连接线AA剖面结构示意图；
图6为本发明提供的触控显示面板弯折区的剖面结构示意图；
图7为本发明听过的触控显示面板弯折区第一金属线与第二金属线结构示意图；
图8为本发明提供的第一触控区的连接线结构示意图；
图9为本发明提供的触控显示面板弯折区的第一触控区的结构示意图。
 本发明的实施方式
以下是各实施例的说明是参考附加的图式，用以例示本发明可以用实施的特定实施例。本发明所提到的方向用语，例如上、下、前、后、左、右、内、外、侧等，仅是参考附图式的方向。本发明提到的元件名称，例如第一、第二等，仅是区分不同的元部件，可以更好的表达。在图中，结构相似的单元以相同标号表示。
本文将参照附图来详细描述本发明的实施例。本发明可以表现为许多不同形式，本发明不应仅被解释为本文阐述的具体实施例。本发明提供实施例是为了解释本发明的实际应用，从而使本领域其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改方案。
如图1所示，在一实施例中本发明提供一种触控显示面板100，包括：弯折区102和连接所述弯折区102两侧的非弯折区101，所述弯折区102具有一弯折中心线12。
所述触控显示面板100主要由基板10以及覆于所述基板10上的触控区103形成。所述触控区阵列排布于所述弯折区和非弯折区中，所述触控区103包括第一触控区13和第二触控区11，所述第一触控区13分布于所述弯折区中，所述第二触控区11分布于所述非弯折区101中。所述基板10一般为TFT阵列基板。
如图2所示，本发明提供的触控显示面板100可以绕着所述弯折中心线12进行折叠，形成如图2的状态。对所述触控显示面板100进行折叠，可以携带方便，并且在图2的状态下还可以进行触控显示。
一般而言，在使用触控显示面板100的时候，触控显示面板可依图1所示的未折叠情况使用，所述非弯折区101位于所述弯折区102的中间并连接所述非弯折区101。进一步而言，所述触控面板也可依图2进行折叠使用。为了能够使所述弯折区102可以较好的弯折，本发明在所述弯折区102域采用有机膜层进行填充形成一有机层20，以便于更好的弯折。
如图3所示，在所述非弯折区101，所述触控显示面板100包括若干第一金属线21、若干第二金属线22；每一第一金属线21平行于所述弯折中心线12；每一第二金属线22具有若干相互间隔的第二金属线段221，每一第二金属线段221与一第一金属线21垂直连接；所述第一金属线21和所述第二金属线22形成网格状的第一金属层（对应图3标记的金属网格线210）。
在所述非弯折区101中包括多个第二触控区11，所述第二触控区11也包括两个相对设置的第一电极区201和两个相对设置的第二电极区202，两个第一电极区201的中心连线与两个第二电极区202的中心连接相互交叉并形成交叉区104。所述触控区的所述第一电极区201和所述第二电极区202皆是通过横纵交错的金属线形成的金属网格线210。两个第一电极区201、两个第二电极区202形成的所述触控区103也为菱形图案。
在所述非弯折区101中，所述触控显示面板100包括覆于所述基板10的第一金属层、绝缘层15以及第四金属线16；
所述第一金属线21从所述触控区的一个第一电极区201穿过所述交叉区104延伸至另一第一电极区201；所述第二金属线22从所述第二触控区的一个第一电极区穿过所述交叉区延伸至另一第一电极区。
如图4和5所示，在非弯折区中，所述第一金属层14覆于所述基板10上；所述绝缘层15覆于所述第一金属层14与基板上；所述第四金属线16部分覆于所述绝缘层15上且另一部分穿过所述绝缘层15与所述第二金属层14相连，所述第四金属线18所述触控区的第一电极区的桥接线16。所述第一金属层14形成所述非弯折区101中所述触控区的金属网格线210。
所述第一金属层14部分作为连接所述触控区的两个第一电极区201的中心线，如图4或5中的标记141；所述第五金属线16用以作为连接所述第二电极区202的中心连接线。不同电极中心连接线之间设有绝缘层15，这可以防止不同电极会影响到相互的工作。
在所述非弯折区101中，AA，BB为连接所述第二电极区202的中心线，其中，AA为相互绝缘的金属线段，并不起到连接所述两个第二电极区202的作用，所述BB连接线起到连接所述第二电极区202的技术效果。通过所述中心线对所述第一电极区与所述第二电极区相互连接，构成完整的第二触控区11，使非弯折区101可以获得触控信号，以及传送触控信号。
在所述非弯折区101中，所述第一电极区201的中心连线与所述第一电极同层；所述第二电极区202的中心连线通过一在所述第二电极上设置一第五金属线16进行连接。所述第五金属线16 与所述第一电极区201的中心连线间设有绝缘层15，所述第一电极区201用以传输触控信号，所述第二电极区202用以接受触控信号。
通过在触控显示面板100上交错地设置多个所述第二触控区11，由此可以加强本触控显示面板100的触控感应效果。
参照图6和图7对本发明弯折区102进行进一步描述。
在所述弯折区102中，所述触控显示面板100包括若干第一金属线21、第二金属线22、有机层20、第三金属线19以及第四金属线18。
在所述弯折区101，所述触控显示面板100包括若干第一金属线21a、若干第二金属线22a；每一第一金属线21a平行于所述弯折中心线12；每一第二金属线22a具有若干相互间隔的第二金属线段221，每一第二金属线段221与一第一金属线21a垂直连接；所述第一金属线21a和所述第二金属线22a形成网格状的第一金属层（对应图8的标记的金属网格线210）。
所述第一金属线21a设置在所述基板10上平行于所述弯折中心线12。所述第一金属线21a包括相互平行排列于所述基板10上且对应于所述弯折区102，每一第一金属线21a包括若干第一金属线段211。
所述每跟第二金属线22a具有若干相互间隔的第二金属线段221，每一第二金属线段221与一第一金属线21a垂直连接；所述第一金属线21a和所述第二金属线22a形成网格状的第一金属层（图中未标记）；这用以形成所述弯折区102的触控电极菱形图案（参见图8所示的图案）。
所述有机层20覆于所述弯折区的第一金属层21上；所述有机层20材料可以为聚酰亚胺薄膜(Polyimide Film)；所述有机层20呈黄色透明，相对密度1.39～1.45，聚酰亚胺薄膜具有优良的耐高低温性、电气绝缘性、粘结性、耐辐射性、耐介质性，能在－269℃～280℃的温度范围内长期使用，短时可达到400℃的高温。
所述第三金属线19垂直于所述第一金属线21；其中，所述每一第三金属线19对应一所述第二金属线22。
每一第三金属线19具有若干相互间隔的第三金属线段191以及若干延长线段192，每一第三金属线段191设于所述有机层20上，所述第三金属线段192连接至其中一第二金属线段221，相邻的两条第三金属线段191连接于同一所述第二金属线段221。
在所述有机层20中，具有贯穿整个所述有机层20的第一通孔23，所述第一通孔23的中心线与第一金属走线21方向具有一第一夹角A，该第一夹角A的角度范围为40°~70°，在本实施例中最优为60°,也可以为40°、50°或70°；所述第三金属线段191通过对应的第一通孔23与所述第二金属线段221连接。所述第一夹角A角度范围可以在弯折区弯折的时候，所述金属走线可以承受更大的应力。
所述延长线192的部分设于所述有机层20上，且其一端穿过所述有机层20连接至与所述非弯折区101相邻的一所述第一金属层上，即连接所述非弯折区101的所述第二触控区11。
所述第三金属线19同层设于所述有机层20上且平行于所述弯折中心线12，所述第三金属线19与所述第四金属线18之间具有间隙，每一第三金属线19对应的连接至至少一第二金属线21。
在所述弯折区102中，所述第四金属线18设于所述有机层20上且平行于所述弯折中心线12，每一第四金属线18对应的连接至至少一第一金属线21。所述第四金属线18用于连接两个所述第二电极区202的连接线。
在所述有机层20，具有贯穿整个所述有机层20的第二通孔24，所述第二通孔24的中心线与第一金属走线21方向具有一第二夹角B，该第二夹角B的角度范围为40°~70°，在本实施例中最优为60°,也可以为40°、50°或70°。所述第四金属线段18通过对应的第二通孔24与所述第二金属线段221连接。
所述第四金属线18用以形成所述触控电极图案或作为连接所述第一电极区201的中心线；所述第五金属线16用以作为连接所述第二电极区202的中心线。
如图8和图9所示，所述第一触控区13覆于基板10上，每一触控区具有触控电极区，包括两个第一电极区201和两个第二电极区202，两个第一电极区201的中心连线与两个第二电极区202的中心连接相互垂直并且交叉，所述触控电极区之间绝缘设置。所述两个第一电极区201的中心连线与所述弯折中心线12平行。
所述第四金属线18用作连接所述第二电极区202的连接线，并在C1 C1C2C3-C1’C2’C3’位置的第四金属线18向下连接所述第一金属线21的所述第一金属线段211。所述图7中的C1 C1C2C3-C1’C2’C3’位置与图8中标记相对应。所述第四金属线18形成所述桥点网格线，在所述第一电极区201图案处于所述第二金属线段连通，并不需要在所述非弯折区101形成所述的跨桥结构。
所述第二金属线22的第二金属线段221用作连接所述第一电极区的连接线，所述第一电极区的连接线与所述第二电极区的连接线相互绝缘，相互不连通。
在所述非弯折区101中，所述第一触控区13、所述第一电极区201与所述第二电极区202均为菱形图案，也可以为正方形或者长方形。
所述第一触控区13与所述第二触控区11结构不同，在所述非弯折区101的触控电极金属网格线210同层连接设置，所述第一触控区13的触控电极金属网格线210上下层穿插连接，这便于弯折变形时，增加弯折区102的应力，可以保护好所述弯折区102的第一触控区13。这是本发明对所述弯折区102作出的一大进步，可以更好的保护好弯折区102的所述第二触控区。
更进一步而言，所述弯折区102的第二触控区11的电极可采用延展性较高的导电材料制作，这样即可使所述弯折区102的电极区在长时间可以弯曲或者折叠，并且可以保护好所述弯折区102的所述触控区的电极区。
所述触控显示面板100还包括一保护层17，所述保护层17覆于所述第一触控区13的所述第一金属层14与第四金属线18上，所述保护层17覆于所述第二触控区11的第四金属线18与第三金属线19上，用以保护所述触控面板的触控区103。
本发明的技术范围不仅仅局限于所述说明中的内容，本领域技术人员可以在不脱离本发明技术思想的前提下，对所述实施例进行多种变形和修改，而这些变形和修改均应当属于本发明的范围内。

Claims (10)

  1.       一种触控显示面板，其中，包括：
    弯折区和连接所述弯折区两侧的非弯折区，所述弯折区具有一弯折中心线；
    在所述弯折区和所述非弯折区，所述触控显示面板包括若干第一金属线、若干第二金属线；
    每一第一金属线平行于所述弯折中心线；
    每一第二金属线具有若干相互间隔的第二金属线段，每一第二金属线段与一第一金属线垂直连接；所述第一金属线和所述第二金属线形成网格状的第一金属层；
    在所述弯折区，所述触控显示面板还包括有机层以及若干第三金属线，所述有机层覆于所述第一金属层上；所述若干第三金属线设于所述有机层上且垂直于所述第一金属线；每一第三金属线对应一所述第二金属线，每一第三金属线具有若干相互间隔的第三金属线段，所述第三金属线段连接至其中一第二金属线段，相邻的两条第三金属线段连接于同一所述第二金属线段；
    在所述弯折区和所述非弯折区，所述触控显示面板还包括若干第四金属线，设于所述有机层上且平行于所述弯折中心线，至少一第四金属线对应的连接至与所述第三金属线绝缘的至少一第一金属线。
  2.   根据权利要求1所述的触控显示面板，其中，还包括：
    基板；
    若干触控区，阵列排布于所述弯折区和非弯折区；
    每一触控区具有两个相对设置的第一电极区以及两个相对设设置的第二电极区；两个相对设置的第一电极区的中线连线与两个相对设设置的第二电极区的中线连线相互交叉并形成交叉区。
  3.   根据权利要求2所述的触控显示面板，其中，所述第一金属线从所述触控区的一个第一电极区穿过所述交叉区延伸至另一第一电极区；所述第二金属线从所述触控区的一个第一电极区穿过所述交叉区延伸至另一第一电极区。
  4.   根据权利要求3所述的触控显示面板，其中，
    在所述弯折区，
    其中至少一第三金属线的第三金属线段以及与与这些第三金属线段连接的第二金属线段形成第二电极区的连接线，所述第二电极区的连接线从所述触控区的一个第二电极区穿过所述交叉区延伸至另一个第二电极区；与所述第三金属线绝缘的至少一第四金属线为所述第一电极区的桥接线。
  5.   根据权利要求3所述的触控显示面板，其中，在所述有机层，具有贯穿整个所述有机层的第一通孔，所述第一通孔的中心线与第一金属走线方向具有一第一夹角，该第一夹角的角度范围为40°~70°，所述第三金属线段通过对应的第一通孔与所述第二金属线段连接。
  6.   根据权利要求3所述的触控显示面板，其中，在所述有机层，具有贯穿整个所述有机层的第二通孔，所述第二通孔的中心线与第一金属走线方向具有一第二夹角，该第二夹角的角度范围为40°~70°，所述第四金属线段通过对应的第二通孔与所述第二金属线段连接。
  7.   根据权利要求3所述的触控显示面板，其中，在所述弯折区，形成所述第二电极区的连接线的第三金属线的两侧具有延长线；所述延长线从所述有机层上延伸至所述非弯折区，且所述延长线延伸至所述第一金属线所在层。
  8.   根据权利要求3所述的触控显示面板，其中，在所述非弯折区，其中与所述第三金属线绝缘的至少一第四金属线为所述触控区的第一电极区的桥接线。
  9.   根据权利要求1所述的触控显示面板，其中，在每一触控区，所述第一电极区与所述第二电极区均为菱形图案，两个第一电极区相对设置，两个第二电极区相对设置，且两个第一电极区、两个第二电极区形成的所述触控区也为菱形图案。
  10. 根据权利要求2所述触控显示面板，其中，
    还包括一保护层，覆于所述第三金属线与所述第四金属线上。
PCT/CN2019/070974 2018-12-17 2019-01-09 一种触控显示面板 WO2020124707A1 (zh)

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