Touch screen and electronic device

Abstract

The application provides a touch screen with a bending area, a touch layer is arranged in the bending area, a grid line is arranged in the touch layer, a plurality of channels for disconnecting the grid line are arranged in the touch layer, the plurality of channels divide the grid line into a plurality of electrode areas, the grid line between any two adjacent electrode areas forms a break at the channel, and the width of the break is greater than or equal to 8 um. The touch screen of the application can improve the stress concentration phenomenon of the touch screen when the touch screen is bent, so as to reduce the risk of cracks in the film layer of the touch screen when the touch screen is bent. The application also provides an electronic device.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of electronic devices, in particular to a touch screen and an electronic device. BACKGROUND

[0002] Electronic devices generally carry a touch screen to realize touch control and display functions. In a flexible and foldable electronic device, the area of the touch screen that can be flexibly folded is generally referred to as a folding area.

[0003] When the electronic device is folded, the inner film layer of the touch screen has insufficient performance toughness and poor bending characteristics, resulting in a large stress concentration in the folding area of the touch screen, and the film layer is prone to cracking, causing the electronic device to have black spots or screen failure when displaying. At the same time, due to the graphical design of the film layer of the touch screen, there may be some sharp corners and ends of the wiring, resulting in further stress concentration at the sharp corners and ends of the wiring during the folding process of the touch screen, so that each film layer in the touch screen bears a large tensile force, reducing the use reliability of the touch screen. SUMMARY

[0004] The present application provides a touch screen and an electronic device with the touch screen. By optimizing the film layer structure in the touch screen, the stress concentration phenomenon of the touch screen during folding can be improved to reduce the risk of film layer cracking during folding of the touch screen, thereby improving the yield and use experience of the electronic device. The present application specifically includes the following technical solutions:

[0005] In a first aspect, the present application provides a touch screen having a folding area, the folding area being provided with a touch layer, the touch layer being provided with a grid line, and the touch layer being further provided with a plurality of channels for disconnecting the grid line, the plurality of channels dividing the grid line into a plurality of electrode areas, the grid line between any two adjacent electrode areas forming a break at the channel, and the width of the break being greater than or equal to 8um.

[0006] The touch screen of the present application can divide the grid line into a plurality of independent electrode areas by arranging the grid line in the touch layer and disconnecting the grid line by the plurality of channels, so as to realize the touch sensing and detection function of the touch layer by the cooperation between the plurality of electrode areas, and thus realize the touch control effect of the touch screen.

[0007] The touch screen of the present application can form an enlarged channel width effect by setting the width of the break to be greater than or equal to 8um, so as to reduce the stress concentration phenomenon at the break during folding of the touch screen, avoid the film layer in the touch layer from cracking or breaking at the break, and thus improve the use reliability and service life of the touch screen.

[0008] In a possible implementation, the grid lines include a plurality of first sub-grid lines parallel to each other, and a plurality of second sub-grid lines parallel to each other, any first sub-grid line intersects with the plurality of second sub-grid lines to form a plurality of intersections; the grid line has a stub at the break, one end of the stub is connected to the intersection, and the other end is configured as a boundary of the break, and the length of the stub is 0.5-3 um.

[0009] In the implementation, by arranging the plurality of first sub-grid lines parallel to each other and the plurality of second sub-grid lines parallel to each other, and arranging any first sub-grid line to intersect with the plurality of second sub-grid lines, the first sub-grid lines and the second sub-grid lines can form a grid structure, and the normal function of each electrode area can be ensured without affecting the light emission when the electronic device displays. That is, by arranging the first sub-grid lines and the second sub-grid lines to intersect to form a grid structure, the touch sensing and detection function of the touch layer can be realized, and the display light emission rate and the light emission effect of the electronic device can be ensured. By arranging the length of the stub to be 0.5-3 um, the stress concentration phenomenon caused by the sharp corners of the grid lines at the intersections can be avoided. At the same time, by arranging the length of the stub at the break to be 0.5-3 um to form the effect of further expanding the width of the channel, the stress concentration phenomenon at the break when bending can be further reduced.

[0010] In a possible implementation, each break is parallel to the bending central axis of the bending area.

[0011] In the implementation, by arranging each break to be parallel to the bending central axis of the bending area, that is, arranging the boundary of each break to be parallel to the bending central axis, the effect of dispersing the stress generated when the touch screen bends can be formed, and the stress concentration phenomenon at the break can be avoided. At the same time, by arranging each break to be parallel to the bending central axis of the bending area, the area of the break in the direction along the bending central axis can be increased, the stress generated when bending can be further dispersed, and the stress concentration phenomenon can be avoided.

[0012] In a possible implementation, the width of the stub is greater than the width of the grid line.

[0013] In the implementation, by arranging the width of the stub to be greater than the width of the grid line, the stress bearing area at the stub when the touch screen bends can be increased, and the effect of dispersing the stress generated at the stub when the touch screen bends can be formed, so as to improve the stress concentration phenomenon at the stub when bending.

[0014] In a possible implementation, the width of the stub is greater than or equal to 3.5 um.

[0015] In the present embodiment, the width of the end head is greater than or equal to 3.5 um, so as to increase the stress area of the end head, disperse the stress generated at the end head when the touch screen is bent, and improve the stress concentration phenomenon at the end head when the touch screen is bent.

[0016] In a possible implementation, in the planar direction of the touch layer, the shape of the boundary of the end head structure is arc-shaped.

[0017] In the present embodiment, the shape of the boundary of the end head structure is arc-shaped, so as to disperse the stress concentrated at the end head, and further reduce the stress concentration phenomenon.

[0018] In a possible implementation, in the planar direction of the touch layer, the shape of the boundary of the end head structure is arc-shaped.

[0019] In a possible implementation, the touch layer includes a laminated electrode sub-layer, an insulating sub-layer, and a connecting sub-layer. The electrode sub-layer is configured as a grid line arranged on the first surface of the insulating sub-layer. The electrode sub-layer is also provided with a plurality of channels for disconnecting the grid line, and the plurality of channels divide the grid line into a plurality of electrode areas. The connecting sub-layer is located on the second surface of the insulating sub-layer away from the first surface, and the connecting sub-layer is provided with a plurality of connecting segments. The insulating sub-layer is provided with a plurality of through holes, and at least part of the electrode areas are sequentially conducted through the through holes and the connecting segments.

[0020] In the present embodiment, the connecting sub-layer is also provided with a plurality of connecting segments, and a plurality of through holes are arranged in the insulating sub-layer. The through holes are used to bridge the connecting segments, that is, the connecting segments are sequentially conducted through the through holes to at least part of the electrode areas, so that at least part of the electrode areas can be mutually conducted and realize their functions.

[0021] In a possible implementation, the connecting sub-layer is provided with a plurality of support segments, and the projection of each support segment on the first surface in the length direction of each support segment covers one crack.

[0022] In the present embodiment, the support segments are arranged, and the projection of each support segment on the first surface in the length direction of each support segment covers one crack. In the opposite direction of the electrode sub-layer and the insulating sub-layer, the support segments and the end head can form an overlapping effect, so that the support segments play the role of reinforcing ribs in the connecting sub-layer, that is, the stress bearing capacity of the connecting sub-layer at the crack can be enhanced, and the phenomenon of cracks or fractures at the crack of the connecting sub-layer can be avoided.

[0023] In a possible implementation, the length of the support segment is greater than or equal to 4 um.

[0024] In the present implementation, by setting the length of the support segment to be greater than or equal to 4 um, the stress bearing capacity of the support segment can be ensured, so as to further improve the stress bearing capacity of the connection sub-layer at the fracture.

[0025] In a possible implementation, the grid line has a terminal end at the fracture, the terminal end is configured as a boundary of the fracture; one terminal end has a first length L1, a projection of the support segment on the first surface coincides with a portion of the terminal end with a second length L2, and the second length L2 is less than or equal to 1 / 2 L1.

[0026] In the present implementation, by setting the second length L2 of the portion of the support segment on the first surface coinciding with the terminal end to be less than or equal to 1 / 2 L1, the overlapping length between the support segment and the terminal end in the direction opposite to the electrode sub-layer and the insulating sub-layer can be ensured, so as to further ensure the stress bearing capacity of the support segment.

[0027] In a possible implementation, the width of the terminal end is greater than or equal to the width of the support segment.

[0028] In the present implementation, by setting the width of the terminal end to be greater than or equal to the width of the support segment, the stress bearing capacity of the connection sub-layer when being bent can be improved, and meanwhile, the support segment does not affect the light emission when the electronic device is displayed, so as to improve the use effect and applicability of the touch layer.

[0029] In a possible implementation, the electrode region has a first connecting end at the via, the connecting segment has a second connecting end at the via, and a projection of the second connecting end on the first surface is contained in the first connecting end.

[0030] In the present implementation, by setting the projection of the second connecting end on the first surface to be contained in the first connecting end, the stress bearing area of the grid line can be improved, so as to avoid the stress concentration phenomenon of the first connecting end.

[0031] In a possible implementation, in the planar direction of the touch layer, the distance between the edge of the projection of the second connecting end on the first surface and the edge of the first connecting end is 1-3 um.

[0032] In the present implementation, by setting the distance between the edge of the projection of the second connecting end on the first surface and the edge of the first connecting end to be 1-3 um, the stress bearing area of the first connecting end can be ensured, and meanwhile, the first connecting end does not affect the light emission when the electronic device is displayed, so as to improve the use effect and applicability of the touch layer.

[0033] In a possible implementation, the electrode region includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of conducting segments, the plurality of first electrodes and the plurality of second electrodes are arranged in an array and staggered with each other, and the conducting segments are connected between any two adjacent first electrodes in a first direction to conduct the plurality of first electrodes in the first direction; the connecting segments are connected between any two adjacent second electrodes in a second direction to conduct the plurality of second electrodes in the second direction, where the first direction and the second direction are at an included angle.

[0034] In the implementation, the plurality of first electrodes are sequentially conducted in the first direction, and the plurality of second electrodes are sequentially conducted in the second direction, so that the touch layer can realize the touch detection and sensing function and accurately detect and sense the touch point.

[0035] In a possible implementation, the first electrodes are touch driving electrodes, and the second electrodes are touch sensing electrodes.

[0036] In a possible implementation, the first electrodes are touch sensing electrodes, and the second electrodes are touch driving electrodes.

[0037] In a possible implementation, the touch screen further includes a non-bending region located at at least one side of the bending region, and the touch layer is at least partially arranged in the non-bending region.

[0038] In the implementation, the touch layer is at least partially arranged in the non-bending region, so that the film layer structure of the touch layer in the non-bending region can be optimized to improve the stress bearing capacity of the film layers in the non-bending region and reduce the stress concentration of the film layers in the non-bending region, thereby avoiding the film layer rupture or film layer cracking in the non-bending region of the touch screen.

[0039] In a possible implementation, the non-bending region is located at opposite sides of the bending region.

[0040] In a possible implementation, the non-bending region is completely covered with the touch layer.

[0041] In the implementation, the non-bending region is completely covered with the touch layer, so that the film layer cracking or rupture in the touch screen can be reduced, thereby ensuring the use reliability of the entire touch screen.

[0042] In a possible implementation, the touch screen further includes a flexible substrate and an organic coating layer, and the touch layer is laminated between the flexible substrate and the organic coating layer, where the electrode sublayer of the touch layer is arranged on a side of the insulating sublayer away from the flexible substrate.

[0043] In the present implementation, by arranging the flexible substrate, the touch layer can be supported and carried to ensure normal use and function of the touch layer. By the organic coating layer, the touch layer can be encapsulated and protected to avoid the external dust, water vapor and other electronic structures from eroding the film layer structure in the touch screen, thereby affecting the normal use of the touch screen.

[0044] In a possible implementation, the touch screen further comprises a buffer layer connected between the flexible substrate and the connecting sub-layer of the touch layer, and used for relieving the pressure on the touch layer.

[0045] In the present implementation, by arranging the buffer layer between the flexible substrate and the connecting sub-layer of the touch layer, the buffer layer can relieve the pressure on the touch layer, thereby protecting the film layers in the touch layer.

[0046] In a second aspect, the present application further provides a touch screen having a bending area, the bending area being provided with a touch layer, the touch layer being provided with a grid line, and the touch layer being further provided with a plurality of channels for disconnecting the grid line, the plurality of channels dividing the grid line into a plurality of electrode areas, the grid line between any two adjacent electrode areas forming a break at the channel, and each break being parallel to a bending center axis of the bending area.

[0047] The touch screen of the present application can divide the grid line into a plurality of independent electrode areas by arranging the grid line in the touch layer and disconnecting the grid line by the plurality of channels, so as to realize the touch sensing and detection function of the touch layer by cooperation between the plurality of electrode areas, thereby realizing the touch control effect of the touch screen.

[0048] The touch screen of the present application can form the effect of dispersing the stress generated when the touch screen is bent by arranging each break parallel to the bending center axis of the bending area, i.e. arranging the boundary of each break parallel to the bending center axis, so as to avoid the phenomenon of stress concentration at the break. At the same time, by arranging each break parallel to the bending center axis of the bending area, the area of the break in the direction of the bending center axis can be increased, thereby further dispersing the stress generated when the touch screen is bent, avoiding the phenomenon of stress concentration, and further avoiding the cracks or fractures of the film layers in the touch layer at the break, so as to improve the use reliability and service life of the touch screen.

[0049] In a possible implementation, the width of the break is 4-5.5 um.

[0050] In a possible implementation, the touch control layer comprises a plurality of electrode sub-layers, a plurality of insulating sub-layers, and a plurality of connecting sub-layers, the electrode sub-layers are configured as grid lines arranged on a first surface of the insulating sub-layers, the electrode sub-layers are further provided with a plurality of channels for disconnecting the grid lines, the channels divide the grid lines into a plurality of electrode areas; the connecting sub-layers are located on a second surface of the insulating sub-layers opposite to the first surface, the connecting sub-layers are provided with a plurality of connecting segments, the insulating sub-layers are provided with a plurality of through holes, and at least part of the electrode areas are sequentially conducted through the through holes and the connecting segments.

[0051] In a possible implementation, the connecting sub-layers are provided with a plurality of supporting segments, and in the length direction of each supporting segment, a projection of each supporting segment on the first surface covers one disconnection.

[0052] In a possible implementation, the length of the supporting segment is greater than or equal to 4 um.

[0053] In a possible implementation, the grid lines have end heads at the disconnections, the end heads are configured as boundaries of the disconnections; one end head has a first length L1, a length of a part of the projection of the supporting segment on the first surface that coincides with the end head is a second length L2, and the second length L2 is less than or equal to 1 / 2 L1.

[0054] In a possible implementation, the width of the end head is greater than or equal to the width of the supporting segment.

[0055] In a possible implementation, the width of the end head is greater than or equal to 3.5 um.

[0056] In a possible implementation, the electrode areas have first connecting ends at the through holes, the connecting segments have second connecting ends at the through holes, and a projection of the second connecting end on the first surface is contained in the first connecting end.

[0057] In a possible implementation, in the planar direction of the touch control layer, the distance between the edge of the projection of the second connecting end on the first surface and the edge of the first connecting end is 1-3 um.

[0058] In a possible implementation, the electrode areas comprise a plurality of first electrodes, a plurality of second electrodes, and a plurality of conducting segments, the plurality of first electrodes and the plurality of second electrodes are arranged in an array and staggered with each other, the conducting segments are connected between any two adjacent first electrodes in a first direction to conduct the plurality of first electrodes in the first direction, and the connecting segments are connected between any two adjacent second electrodes in a second direction to sequentially conduct the plurality of second electrodes in the second direction, wherein the first direction and the second direction are at an included angle.

[0059] In a possible implementation, the first electrodes are touch driving electrodes, and the second electrodes are touch sensing electrodes.

[0060] In a possible implementation, the first electrode is a touch sensing electrode, and the second electrode is a touch driving electrode.

[0061] In a possible implementation, the touch screen further comprises a non-bending area located at at least one side of the bending area, and the touch layer is at least partially arranged in the non-bending area.

[0062] In a possible implementation, the non-bending area is located at opposite sides of the bending area.

[0063] In a possible implementation, the non-bending area is completely covered by the touch layer.

[0064] In a possible implementation, the touch screen further comprises a flexible substrate and an organic coating layer, and the touch layer is laminated between the flexible substrate and the organic coating layer, wherein the electrode sublayer of the touch layer is arranged at a side of the insulating sublayer away from the flexible substrate.

[0065] In a possible implementation, the touch screen further comprises a buffer layer connected between the flexible substrate and the connecting sublayer of the touch layer, and used for relieving the pressure on the touch layer.

[0066] In a third aspect, the present application provides a touch screen having a bending area, wherein the bending area is provided with a touch layer, the touch layer is provided with a grid line, the touch layer is further provided with a plurality of channels for disconnecting the grid line, the plurality of channels divide the grid line into a plurality of electrode areas, the grid line between any two adjacent electrode areas has a tail end at the channel, and the width of the tail end is greater than the width of the grid line.

[0067] The touch screen of the present application can divide the grid line into a plurality of independent electrode areas by arranging the grid line in the touch layer and disconnecting the grid line through the plurality of channels, so as to realize the touch sensing and detection function of the touch layer through the cooperation between the plurality of electrode areas, and thus the touch screen can realize the touch control effect.

[0068] The touch screen of the present application can increase the stress bearing area at the tail end when the touch screen is bent by arranging the width of the tail end to be greater than the width of the grid line, so as to disperse the stress generated at the tail end when the touch screen is bent, improve the stress concentration at the tail end when the touch screen is bent, avoid the phenomenon of cracks or breakage of each film layer in the touch layer at the breaking point, and thus improve the use reliability and service life of the touch screen.

[0069] In a possible implementation, the width of the tail end is greater than or equal to 3.5 um.

[0070] In the present embodiment, the width of the end is greater than or equal to 3.5 um, so as to increase the stress area of the end, disperse the stress generated at the end when the touch screen is bent, and improve the stress concentration phenomenon at the end when the touch screen is bent.

[0071] In a possible implementation, in the planar direction of the touch layer, the shape of the boundary of the end of the break is arc-shaped.

[0072] In a possible implementation, in the planar direction of the touch layer, the shape of the boundary of the end of the break is arc-shaped.

[0073] In a possible implementation, the touch layer includes a laminated electrode sublayer, an insulating sublayer and a connecting sublayer. The electrode sublayer is configured as a grid line arranged on the first surface of the insulating sublayer. The electrode sublayer is also provided with a plurality of channels for disconnecting the grid line. The plurality of channels divide the grid line into a plurality of electrode regions. The connecting sublayer is located on the second surface of the insulating sublayer away from the first surface. The connecting sublayer is provided with a plurality of connecting segments. The insulating sublayer is provided with a plurality of vias. At least part of the electrode regions are sequentially conducted through the vias and the connecting segments.

[0074] In a possible implementation, the connecting sublayer is provided with a plurality of support segments. In the length direction of each support segment, the projection of each support segment on the first surface covers one break.

[0075] In a possible implementation, the length of the support segment is greater than or equal to 4 um.

[0076] In a possible implementation, the grid line has an end at the break, and the end is configured as the boundary of the break. One end has a first length L1. The length of the part of the projection of the support segment on the first surface that coincides with the end is a second length L2. The second length L2 is less than or equal to 1 / 2 L1.

[0077] In a possible implementation, the width of the end is greater than or equal to the width of the support segment.

[0078] In a possible implementation, the connecting sublayer is also provided with a plurality of connecting segments. The insulating sublayer is provided with a plurality of vias. At least part of the electrode regions are sequentially conducted through the vias and the connecting segments.

[0079] In a possible implementation, in the planar direction of the touch layer, the distance between the edge of the projection of the second connecting end on the first surface and the edge of the first connecting end is 1-3 um.

[0080] In a possible implementation, the electrode region includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of conducting segments, the plurality of first electrodes and the plurality of second electrodes are arranged in an array and staggered with each other, and the conducting segments are connected between any two adjacent first electrodes in a first direction to conduct the plurality of first electrodes in the first direction; the connecting segments are connected between any two adjacent second electrodes in a second direction to conduct the plurality of second electrodes in the second direction in sequence, where the first direction and the second direction are at an included angle.

[0081] In a possible implementation, the first electrodes are touch control driving electrodes, and the second electrodes are touch control sensing electrodes.

[0082] In a possible implementation, the first electrodes are touch control sensing electrodes, and the second electrodes are touch control driving electrodes.

[0083] In a possible implementation, the touch screen further includes a non-bending region located at at least one side of the bending region, and the touch layer is at least partially arranged in the non-bending region.

[0084] In a possible implementation, the non-bending region is located at opposite sides of the bending region.

[0085] In a possible implementation, the non-bending region is completely covered by the touch layer.

[0086] In a possible implementation, the touch screen further includes a flexible substrate and an organic coating layer, and the touch layer is laminated between the flexible substrate and the organic coating layer, where the electrode sublayer of the touch layer is arranged on a side of the insulating sublayer away from the flexible substrate.

[0087] In a possible implementation, the touch screen further includes a buffer layer connected between the flexible substrate and the connecting sublayer of the touch layer, and used to relieve the pressure on the touch layer.

[0088] In a fourth aspect, the present application provides a touch screen having a bending region, and a touch layer arranged in the bending region, the touch layer includes laminated electrode sublayer, insulating sublayer and connecting sublayer, the electrode sublayer is configured as a grid line arranged on a first surface of the insulating sublayer, the electrode sublayer is further provided with a plurality of channels for disconnecting the grid line, the plurality of channels divide the grid line into a plurality of electrode regions, and the grid line between any two adjacent electrode regions forms a fracture at the channel, the connecting sublayer is located on a second surface of the insulating sublayer away from the first surface, the connecting sublayer is provided with a plurality of supporting segments, and in the length direction of each supporting segment, the projection of each supporting segment on the first surface covers one fracture.

[0089] The touch screen of the present application is configured by arranging the grid lines on the first surface of the insulating sub-layer, and disconnecting the grid lines by arranging a plurality of channels, so that the grid lines are divided into a plurality of independent electrode areas, and the touch sensing and detection function of the touch layer is realized by the cooperation between the plurality of electrode areas, so that the touch screen can realize the effect of touch control.

[0090] The touch screen of the present application is configured by arranging the support segments, and the projection of each support segment on the first surface covers a fracture, so that the support segment and the end can form an overlapping effect in the opposite direction of the electrode sub-layer and the insulating sub-layer, and the support segment plays the role of a reinforcing rib in the connecting sub-layer, that is, the stress bearing capacity of the connecting sub-layer at the fracture can be enhanced, and the phenomenon of cracks or fractures at the fracture of the connecting sub-layer can be avoided, so as to improve the use reliability and service life of the touch screen.

[0091] In a possible implementation, the length of the support segment is greater than or equal to 4um.

[0092] In the present implementation, by setting the length of the support segment to be greater than or equal to 4um, the stress bearing capacity of the support segment can be ensured, so as to further improve the stress bearing capacity of the connecting sub-layer at the fracture.

[0093] In a possible implementation, the grid line has an end at the fracture, the end is configured as the boundary of the fracture; one end has a first length L1, the length of the part of the projection of the support segment on the first surface coinciding with the end is a second length L2, and the second length L2 is less than or equal to 1 / 2L1.

[0094] In the present implementation, by setting the second length L2 of the part of the projection of the support segment on the first surface coinciding with the end to be less than or equal to 1 / 2L1, the overlapping length between the support segment and the end in the opposite direction of the electrode sub-layer and the insulating sub-layer can be ensured, so as to further ensure the stress bearing capacity of the support segment.

[0095] In a possible implementation, the width of the end is greater than or equal to the width of the support segment.

[0096] In the present implementation, by setting the width of the end to be greater than or equal to the width of the support segment, the stress bearing capacity of the connecting sub-layer during bending can be improved, and the support segment does not affect the light emission during display of the electronic device, so as to improve the use effect and applicability of the touch layer.

[0097] In a possible implementation, the connecting sub-layer is further provided with a plurality of connecting segments, the insulating sub-layer is provided with a plurality of vias, and at least part of the electrode areas are sequentially conducted through the vias and the connecting segments.

[0098] In the present implementation, the connection sub-layer is further provided with a plurality of connection segments, and a plurality of vias are provided in the insulating sub-layer. The vias are used to achieve the bridging effect at the connection segments, i.e., the effect of forming the connection segments to sequentially conduct at least part of the electrode regions through the vias, so that at least part of the electrode regions can be conductive to each other and achieve their functions.

[0099] In a possible implementation, the width of the breakage is greater than or equal to 8 um.

[0100] In a possible implementation, the grid lines include a plurality of first sub-grid lines parallel to each other, and a plurality of second sub-grid lines parallel to each other, any first sub-grid line intersects with the plurality of second sub-grid lines to form a plurality of intersections; the grid lines have a terminal end at the breakage, one end of the terminal end is communicated to the intersection, and the other end is configured as a boundary of the breakage, and the length of the terminal end is 0.5-3 um.

[0101] In a possible implementation, the width of the terminal end is greater than the width of the grid line.

[0102] In a possible implementation, the width of the terminal end is greater than or equal to 3.5 um.

[0103] In a possible implementation, in the planar direction of the touch layer, the shape of the terminal end configured as the boundary of the breakage is arc-shaped.

[0104] In a possible implementation, in the planar direction of the touch layer, the shape of the terminal end configured as the boundary of the breakage is circular arc-shaped.

[0105] In a possible implementation, each breakage is parallel to the bending center axis of the bending region.

[0106] In a possible implementation, the connection sub-layer is further provided with a plurality of connection segments, and the insulating sub-layer is provided with a plurality of vias, and at least part of the electrode regions are sequentially conductive through the vias and the connection segments.

[0107] In a possible implementation, the electrode region has a first connection end at the via, the connection segment has a second connection end at the via, and the projection of the second connection end on the first surface is contained in the first connection end.

[0108] In a possible implementation, in the planar direction of the touch layer, the distance between the edge of the projection of the second connection end on the first surface and the edge of the first connection end is 1-3 um.

[0109] In a possible implementation, the electrode region includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of conducting segments, the plurality of first electrodes and the plurality of second electrodes are arranged in an array and staggered with each other, and the conducting segments are connected between any two adjacent first electrodes in a first direction to conduct the plurality of first electrodes in the first direction; the connecting segments are connected between any two adjacent second electrodes in a second direction to conduct the plurality of second electrodes in the second direction in sequence, where the first direction and the second direction are at an included angle with each other.

[0110] In a possible implementation, the first electrodes are touch driving electrodes, and the second electrodes are touch sensing electrodes.

[0111] In a possible implementation, the first electrodes are touch sensing electrodes, and the second electrodes are touch driving electrodes.

[0112] In a possible implementation, the touch screen further includes a non-bending region located at at least one side of the bending region, and the touch layer is at least partially arranged in the non-bending region.

[0113] In a possible implementation, the non-bending region is located at opposite sides of the bending region.

[0114] In a possible implementation, the non-bending region is completely covered with the touch layer.

[0115] In a possible implementation, the touch screen further includes a flexible substrate and an organic coating layer, and the touch layer is laminated between the flexible substrate and the organic coating layer, where the electrode sublayer of the touch layer is arranged on a side of the insulating sublayer away from the flexible substrate.

[0116] In a possible implementation, the touch screen further includes a buffer layer connected between the flexible substrate and the connecting sublayer of the touch layer, and configured to relieve pressure on the touch layer.

[0117] In a fifth aspect, the present application provides a touch screen having a bending region, the bending region being provided with a touch layer, the touch layer including laminated electrode sublayer, insulating sublayer and connecting sublayer, the electrode sublayer being configured as a grid line arranged on a first surface of the insulating sublayer, the electrode sublayer being further provided with a plurality of channels for disconnecting the grid line, the plurality of channels dividing the grid line into a plurality of electrode regions, the connecting sublayer being located on a second surface of the insulating sublayer away from the first surface, the connecting sublayer being provided with a plurality of connecting segments, the insulating sublayer being provided with a plurality of vias, at least part of the electrode regions being conducted in sequence through the vias and the connecting segments, the electrode regions having first connecting ends at the vias, the connecting segments having second connecting ends at the vias, and projections of the second connecting ends on the first surface being contained in the first connecting ends.

[0118] The touch screen of the present application is also configured by arranging the electrode sublayer as a grid line on the first surface of the insulating sublayer, and by arranging a plurality of channels to disconnect the grid line, so that the grid line is divided into a plurality of independent electrode areas, and the touch sensing and detection function of the touch layer is realized by the cooperation between the plurality of electrode areas, thereby enabling the touch screen to realize the effect of touch control.

[0119] The touch screen of the present application is configured by arranging the projection of the second connecting end on the first surface, which is accommodated in the first connecting end, to increase the stress bearing area of the grid line, thereby avoiding the concentration of stress at the first connecting end, and avoiding the occurrence of cracks or fractures at the fracture of each film layer in the touch layer, to improve the use reliability and service life of the touch screen.

[0120] In one possible implementation, in the planar direction of the touch layer, the distance between the edge of the projection of the second connecting end on the first surface and the edge of the first connecting end is 1-3 um.

[0121] In the present implementation, by arranging the distance between the edge of the projection of the second connecting end on the first surface and the edge of the first connecting end to be 1-3 um, the stress bearing area of the first connecting end can be ensured while avoiding the influence of the first connecting end on the light output during display of the electronic device, to improve the use effect and applicability of the touch layer.

[0122] In one possible implementation, the width of the fracture is greater than or equal to 8 um.

[0123] In one possible implementation, the grid line includes a plurality of first sub-grid lines parallel to each other and a plurality of second sub-grid lines parallel to each other, any first sub-grid line intersects with the plurality of second sub-grid lines to form a plurality of intersection portions; the grid line has a terminal end at the fracture, one end of the terminal end is connected to the intersection portion, and the other end is configured as the boundary of the fracture, and the length of the terminal end is 0.5-3 um.

[0124] In one possible implementation, the width of the terminal end is greater than the width of the grid line.

[0125] In one possible implementation, the width of the terminal end is greater than or equal to 3.5 um.

[0126] In one possible implementation, in the planar direction of the touch layer, the shape of the boundary of the fracture configured by the terminal end is arc-shaped.

[0127] In one possible implementation, in the planar direction of the touch layer, the shape of the boundary of the fracture configured by the terminal end is circular arc-shaped.

[0128] In one possible implementation, each fracture is parallel to the bending center axis of the bending area.

[0129] In a possible implementation, the connection sub-layer is provided with a plurality of support segments, and a projection of each support segment on the first surface covers one of the discontinuities in the length direction of the support segment.

[0130] In a possible implementation, the length of the support segment is greater than or equal to 4 um.

[0131] In a possible implementation, the grid lines have end heads at the discontinuities, and the end heads are configured as boundaries of the discontinuities; one end head has a first length L1, and a length of a projection of the support segment on the first surface that coincides with the end head is a second length L2, and the second length L2 is less than or equal to 1 / 2 L1.

[0132] In a possible implementation, the width of the end head is greater than or equal to the width of the support segment.

[0133] In a possible implementation, the electrode region includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of conductive segments, the plurality of first electrodes and the plurality of second electrodes are arranged in an array and staggered with each other, and the conductive segments are connected between any two adjacent first electrodes in a first direction to conduct the plurality of first electrodes in the first direction; the connection segments are connected between any two adjacent second electrodes in a second direction to conduct the plurality of second electrodes in the second direction in sequence, wherein the first direction and the second direction are at an included angle with each other.

[0134] In a possible implementation, the first electrodes are touch driving electrodes, and the second electrodes are touch sensing electrodes.

[0135] In a possible implementation, the first electrodes are touch sensing electrodes, and the second electrodes are touch driving electrodes.

[0136] In a possible implementation, the touch screen further includes a non-bending region located at least one side of the bending region, and the touch layer is at least partially arranged in the non-bending region.

[0137] In a possible implementation, the non-bending region is located at opposite sides of the bending region.

[0138] In a possible implementation, the non-bending region is completely covered with the touch layer.

[0139] In a possible implementation, the touch screen further includes a flexible substrate and an organic coating layer, and the touch layer is laminated between the flexible substrate and the organic coating layer, wherein the electrode sub-layer of the touch layer is arranged on a side of the insulating sub-layer away from the flexible substrate.

[0140] In a possible implementation, the touch screen further includes a buffer layer connected between the flexible substrate and the connection sub-layer of the touch layer, and used for relieving pressure received by the touch layer.

[0141] In a sixth aspect, the present application provides an electronic device, comprising a housing and the touch screen of any one of the first to fifth aspects of the present application, the touch screen being fixed to the housing.

[0142] It can be understood that, for the electronic device provided by the present application, the touch control function is realized through the touch screen. The touch screen of the electronic device is matched with the touch screen of the first to fifth aspects of the present application to reduce the stress concentration problem of each film layer structure when the touch screen is bent, and avoid the phenomenon that each film layer may be broken or cracked when the touch screen is bent, thereby ensuring the use reliability and use experience of the electronic device of the present application. That is, since the electronic device provided by the present application uses the touch screen of any one of the first to fifth aspects, the electronic device provided by the present application has all possible beneficial effects of the touch screen provided in any one of the aspects. BRIEF DESCRIPTION OF DRAWINGS

[0143] In order to more clearly illustrate the technical solutions of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0144] Figure 1 Structure schematic diagram of one side view of the electronic device in one implementation manner of the present application;

[0145] Figure 2 Structure schematic diagram of one side view of the electronic device in another implementation manner of the present application;

[0146] Figure 3 Structure schematic diagram of the touch screen in the implementation manner shown in the figure; Figure 1 Structure schematic diagram of the touch screen in the implementation manner shown in the figure;

[0147] Figure 4 Working principle schematic diagram of the touch layer;

[0148] Figure 5 Planar structure schematic diagram of the touch layer of the touch screen of the electronic device in one possible implementation manner of the present application;

[0149] Figure 6 Structure schematic diagram of the touch layer in the implementation manner shown in the figure at position A-A; Figure 5 Structure schematic diagram of the touch layer in the implementation manner shown in the figure at position A-A;

[0150] Figure 7 Structure schematic diagram of the touch layer in the implementation manner shown in the figure at position A-A;

[0151] Figure 8For Figure 5 Fig. 6 is a partial enlarged schematic view of the local structure of the touch layer at position D in the implementation shown in Fig. 1;

[0152] Figure 9 For Figure 8 Fig. 7 is a schematic view of the cross-sectional structure at position P-P in the embodiment shown in Fig. 1;

[0153] Figure 10 Fig. 8 is a schematic view of the local planar structure of the grid lines in the touch layer in one possible implementation;

[0154] Figure 11 Fig. 9 is a schematic view of the local planar structure of the grid lines in the touch layer in one possible implementation;

[0155] Figure 12 Fig. 10 is a schematic view of the local planar structure of the grid lines in the touch layer in one possible implementation;

[0156] Figure 13 For Figure 12 Fig. 11 is a schematic view of the cross-sectional structure of the touch layer at position C-C in the implementation shown in Fig. 1;

[0157] Figure 14 For Figure 5 Fig. 12 is a partial enlarged schematic view of the local planar structure of the touch screen at position H in the implementation shown in Fig. 1;

[0158] Figure 15 For Figure 14 Fig. 13 is a partial enlarged schematic view of the local planar structure at position T in the implementation shown in Fig. 1;

[0159] Figure 16 For Figure 14 Fig. 14 is a partial enlarged schematic view of the local planar structure at position N in the implementation shown in Fig. 1;

[0160] Figure 17 Fig. 15 is a schematic view of the planar structure of the touch screen in one possible implementation;

[0161] Figure 18 Fig. 16 is a schematic view of the planar structure of the touch screen in one possible implementation;

[0162] Figure 19 Fig. 17 is a schematic view of the planar structure of the touch screen in one possible implementation;

[0163] Figure 20 Fig. 18 is a schematic view of the planar structure of the touch screen in one possible implementation;

[0164] Figure 21 Fig. 19 is a schematic view of the local planar structure of the grid lines in the touch layer in a comparative embodiment;

[0165] Figure 22for Figure 21 A schematic cross-sectional view of the touch layer from one side when it is bent in the embodiment shown;

[0166] Figure 23 A partial planar structure diagram of the touch layer of another touch screen provided in this application;

[0167] Figure 24 for Figure 23 A cross-sectional view of the touch layer from one side of the embodiment shown;

[0168] Figure 25 This is a cross-sectional view of the touch layer from one side in one possible implementation.

[0169] Figure 26 for Figure 25 A partial planar schematic diagram of the grid lines in the implementation shown;

[0170] Figure 27 This is a schematic diagram of a partial planar structure of the touch layer in one possible implementation.

[0171] Figure 28 A schematic diagram of a planar structure in one possible implementation of a touch screen;

[0172] Figure 29 A partial planar structure diagram of another touch screen provided in this application;

[0173] Figure 30 for Figure 29 A cross-sectional view of the touch layer of the touch screen in the illustrated embodiment.

[0174] Figure 31 This is a cross-sectional view of the touch layer from one side in one possible implementation.

[0175] Figure 32 for Figure 31 A partial planar schematic diagram of the grid lines in the implementation shown;

[0176] Figure 33 This is a schematic diagram of a partial planar structure of the touch layer in one possible implementation.

[0177] Figure 34 This is a schematic diagram of a partial planar structure of a touch screen in one possible implementation.

[0178] Figure 35 A partial planar structure diagram of the touch layer of another touch screen provided in this application;

[0179] Figure 36 for Figure 35A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0180] Figure 37 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown; Figure 35 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0181] Figure 38 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0182] Figure 39 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0183] Figure 40 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0184] Figure 41 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown; Figure 40 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0185] Figure 42 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0186] Figure 43 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown; Figure 42 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0187] Figure 44 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown; Figure 40 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0188] Figure 45 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown; Figure 40 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown;

[0189] Figure 46 A cross-sectional structure schematic diagram of the touch layer at position Y-Y in the embodiment shown; DETAILED DESCRIPTION

[0190] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0191] Please refer to Figure 1 and Figure 2 , Figure 1Fig. 1 is a structural schematic diagram of a side view of an electronic device 100 in an embodiment of the present application, Figure 2 Fig. 2 is a structural schematic diagram of a side view of an electronic device 100 in another embodiment of the present application. The present application provides an electronic device 100. The electronic device 100 of the present application can realize the effect of folding or bending, and includes a housing 101 and a touch screen 10 fixed to the housing 101.

[0192] The touch screen 10 is configured to realize the functions of touch sensing, detection and picture display of the electronic device 100 of the present application.

[0193] The housing 101 is configured to realize the effects of supporting, fixing and protecting the touch screen 10, so that the touch screen 10 fixed to the housing 101 can normally realize the functions of touch detection and sensing.

[0194] Meanwhile, the housing 101 can also form the effects of fixing and protecting the touch screen 10 and other electronic devices or structures arranged inside the housing 101 under the action of external force, such as falling, knocking, colliding and the like. The housing 101 can also form the effect of sealing the touch screen 10 and other electronic devices or structures arranged inside the housing 101, so as to avoid the erosion of external moisture, dust and other impurities to the electronic devices or structures arranged inside the housing 101.

[0195] In a possible implementation manner, as shown in Figure 1 The touch screen 10 can be exposed from one side of the housing 101 to realize the functions of touch sensing, detection and picture display.

[0196] In some possible implementation manners, the touch screen 10 can also be arranged inside the housing 101. The housing 101 can be arranged as a transparent structure on the side close to the picture display surface of the touch screen 10, so as to realize the protection effect of the touch screen 10 and enable the touch screen 10 to normally realize its functions.

[0197] It should be noted that, in the implementation manner of the present application, the electronic device 100 is exemplarily introduced as a mobile phone, and the electronic device 100 of the present application is not limited to only being a mobile phone. In other implementation manners of the present application, the electronic device 100 can also be a tablet computer, a television, a notebook computer, a smart wearable device (for example, a smart watch, a smart bracelet and the like), or other electronic products with a touch display function. The present application does not make specific limitations in this regard.

[0198] As shown in Figure 2 The electronic device 100 has a folding area 100a, and the folding area 100a has a folding center axis 100b. It can be understood that the folding electronic device 100 can be folded, bent or folded around the folding center axis 100b.

[0199] The housing 101, the touch screen 10, and other substrates, display screens, and other structures or components of the electronic device 100 are flexible at least in the bending area 100a, so as to be capable of bending, curving, or folding, thereby achieving the bending, curving, or folding effect of the electronic device 100 while realizing the normal functions of the electronic device 100, improving the user experience of using the electronic device 100, and improving the convenience of carrying the electronic device 100.

[0200] It should be noted that Figure 2 Only the positions, structures, and sizes of the bending area 100a and the bending center axis 100b of the electronic device 100 are exemplarily described, and the actual positions, structures, and sizes of the bending area 100a and the bending center axis 100b when the electronic device 100 is bent are not limited. That is, the actual positions, structures, and sizes of the bending area 100a and the bending center axis 100b during the bending process of the electronic device 100 can be adjusted according to actual needs.

[0201] For example, in a possible implementation, the bending area 100a can also cover the entire electronic device 100, that is, the electronic device 100 can realize the effect of a scroll shape.

[0202] For example, in a possible implementation, the bending area 100a can also partially cover the electronic device 100, that is, the arrangement position and the arrangement number of the bending area 100a can be adjusted. Figure 2 Only the case that the number of the bending area 100a of the electronic device 100 is one is exemplarily described, and in other implementations of the present application, the number of the bending area 100a can also be multiple, such as two, three, and the like, that is, the electronic device 100 can also realize the effects of double folding, triple folding, and the like.

[0203] In a possible implementation, the housing 101 can also be provided with a battery (not shown in the figure) and a circuit board (not shown in the figure) and other structures for realizing the functions of the electronic device 100.

[0204] It can be understood that the battery can be used as a power supply device of the electronic device 100, that is, as a power supply of the electronic device 100, which can be used to provide power for the electronic device 100 to realize its normal functions. The circuit board can be electrically connected with various electronic structures or devices in the electronic device 100, so as to be capable of receiving or transmitting various signals, so as to control the various electronic structures or devices to work cooperatively, thereby realizing the various functions of the electronic device 100.

[0205] Please refer to Figure 3 ,Figure 3 for Figure 1 An exploded view of the touchscreen 10 in the implementation shown. Figure 3 In the implementation shown, the touch screen 10 includes a display layer 11, a touch layer 12, and a protective layer 13 stacked in sequence. That is, the touch layer 12 is located between the display layer 11 and the protective layer 13, and both the touch layer 12 and the protective layer 13 are located on the light-emitting side of the display layer 11.

[0206] The display layer 11, touch layer 12, and protective layer 13 can be connected by adhesive or other means, and this application does not limit this.

[0207] The protective layer 13 is made of a flexible and transparent material and is used to encapsulate and protect the touch layer 12, the display layer 11 and other electronic structures located in the touch screen 10, so as to prevent external moisture, dust and other impurities from corroding the touch screen 10 and affecting the use effect and user experience of the touch screen 10.

[0208] exist Figure 3 The implementation shown is only an example of the structural dimensions and position of the protective layer 13, and does not represent the actual structure and structural dimensions of the protective layer 13. For example, the actual thickness of the protective layer 13 can be adjusted according to the design requirements of the electronic device 100.

[0209] Understandably, by making the protective layer 13 a flexible material, at least a portion of the structure of the protective layer 13 can fold along with the bending or folding of the electronic device 100. By making the protective layer 13 a light-transmitting material, light from the display layer 11 used for displaying images or controlling the interface can pass through the protective layer 13 and be emitted outwards, thereby creating a visible effect for the electronic device 100.

[0210] The display layer 11 is used to implement functions such as screen display of the electronic device 100.

[0211] In one possible implementation, such as Figure 3 As shown, the display layer 11 may include a display area 11a and a non-display area 11b. The non-display area 11b surrounds the display area 11a.

[0212] Specifically, in one possible implementation, such as Figure 3 As shown, the display area 11a may have multiple sub-pixels (not shown in the figure) for displaying images, and may have traces electrically connected to the sub-pixels and used to provide driving signals to the sub-pixels, such as multiple scan lines and multiple data lines.

[0213] The non-display area 11b can be provided with a driving circuit electrically connected to each sub-pixel, such as a scan driving circuit, a data driving circuit, and the like, to control the operation of each sub-pixel through the wire electrically connected to each sub-pixel, so as to realize the effect of emitting light outward and displaying a picture by the display layer 11.

[0214] It should be noted that, in the implementation mode shown in the drawings, only the display area 11a and the non-display area 11b of the display layer 11 are located on the same layer as an example, and the functions of the display layer 11 are exemplarily described, but the display area 11a and the non-display area 11b are not limited to being able to be located on the same side of the display layer 11. Figure 3

[0215] In other implementation modes of the present application, the non-display area 11b of the display layer 11 can also be located at other positions of the touch screen 10, so as to realize the effect of narrow-side display, frameless display, or full-screen display of the touch screen 10, and further improve the screen-to-body ratio of the touch screen 10.

[0216] The display layer 11 is a flexible display layer, so that when the electronic device 100 is bent or folded, the display layer 11 can be folded along with the bending of the electronic device 100, so as to realize the functions of picture display or operation interface display of the electronic device 100, and at the same time, the bending effect can be formed.

[0217] It should be noted that the display layer 11 in the electronic device 100 of the present application can be a liquid crystal display layer, an organic electroluminescent display layer, a quantum dot electroluminescent display layer, or other display layers that can be used to realize the picture display function of the touch screen 10, and the implementation modes of the present application do not make specific limitations.

[0218] The touch layer 12 can cooperate with the display layer 11 to realize the functions of touch sensing, detection, and picture display of the touch screen 10. Further, the functions of receiving external input instructions or outputting feedback information to the outside world of the electronic device 100 can be realized, so as to form the human-computer interaction effect between the electronic device 100 and the user (i.e., the operator of the electronic device 100).

[0219] For example, in a possible implementation mode, the display layer 11 can be used to display an operation interface, and the user can touch the touch layer 12 by using a finger, a stylus, or the like, so as to cause the change of the electric signal inside the touch layer 12, so as to realize the effect of selecting a displayed instruction or controlling an operation interface.

[0220] The touch screen 10 can be a self-capacitive touch screen, a mutual-capacitive touch screen, or a touch screen with other structures.

[0221] ​In the implementation of the present application, the touch screen 10 is taken as an example of a mutual-capacitance touch screen, but the structure of the touch screen 10 in the electronic device 100 is not limited to this. In other embodiments of the present application, the touch screen 10 can also be other touch screens capable of achieving touch sensing and detection effects.

[0222] Meanwhile, the setting position of the touch screen 10 in the electronic device 100 can also be adjusted according to actual design requirements, Figure 3 only as an example of a possible implementation, and the touch screen 10 is not limited to being able to only be Figure 3 the implementation shown.

[0223] Please refer to Figure 4 , Figure 4 a schematic diagram of the working principle of the touch layer 12. In Figure 4 the implementation shown, the working principle of the touch layer 12 in the electronic device 100 of the present application is exemplarily introduced taking the mutual-capacitance touch structure of the touch screen 10 as an example.

[0224] As shown in Figure 4 , the mutual-capacitance touch structure includes a plurality of touch drive electrodes Tx and a plurality of touch sensing electrodes Rx extending along different directions, respectively, and the plurality of touch drive electrodes Tx and the plurality of touch sensing electrodes Rx are arranged in a staggered manner (please refer to Figure 5 ) in combination.

[0225] For example, in an implementation, the touch drive electrodes Tx can be sequentially connected along the vertical direction (such as the second direction 002 shown in Figure 5 ), and the touch sensing electrodes Rx can be sequentially connected along the horizontal direction (such as the first direction 001 shown in Figure 5 ).

[0226] Among them, each touch drive electrode Tx and each touch sensing electrode Rx are connected with the touch drive circuit 14, and each touch drive electrode Tx is applied with a touch drive signal and generates an electric field line E that can be received by the touch sensing electrode Rx, so as to form a coupling capacitance between any one touch drive electrode Tx and one touch sensing electrode Rx adjacent thereto. It can be understood that the one touch drive electrode Tx and the one touch sensing electrode Rx forming the coupling capacitance are respectively configured as two poles of the coupling capacitance.

[0227] When the human finger F touches the touch screen 10, for example, touches the protective layer 13 laminated on the touch screen 10, the coupling capacitance value between the two electrodes near the touch point Q will be changed, that is, the capacitance between the two electrodes is changed, so that the sensing signal received by the touch sensing electrode Rx changes, such as the electric field line E received by the touch sensing electrode Rx decreases.

[0228] The touch driving circuit 14 acquires the value of each coupling capacitance based on the touch sensing electrode Rx, and calculates the position of the touch point Q based on the detected coupling capacitance value change data, thereby forming the touch sensing and detection function of the touch screen 10.

[0229] Wherein, Figure 4 Only the effect of changing the coupling capacitance value by the finger F. In other implementations, other conductors such as a stylus can also be used to change the coupling capacitance value.

[0230] Further, please refer to Figure 5 and Figure 6 , Figure 5 is a schematic diagram of the planar structure of the touch layer 12 of the electronic device 100 in a possible implementation, Figure 6 is Figure 5 is a schematic diagram of the cross-sectional structure of the touch layer 12 at position A-A in the implementation shown. The touch layer 12 is used to realize the touch sensing and detection function of the touch screen 10, and in the implementation shown in Figure 5 , it can include a detection area 12a and a wiring area 12b, and the wiring area 12b is arranged around the periphery of the detection area 12a.

[0231] It should be noted that in the implementation shown in Figure 5 , only the wiring area 12b arranged around the periphery of the detection area 12a is taken as an example for exemplary description. In other implementations of the application, the actual layout position of the wiring area 12b can be adjusted according to actual design requirements, which is not limited in the application.

[0232] Further, the detection area 12a is arranged corresponding to the display area 11a of the display layer 11, so that the light emitted by the display layer 11 in the display area 11a can pass through the detection area 12a and be emitted.

[0233] The wiring area 12b is arranged corresponding to the non-display area 11b of the display layer 11, and is used to arrange a plurality of connection lines 12c and a control chip 12d.

[0234] It can be understood that the connection line 12c can realize the electrical connection between each electronic structure or device in the detection area 12a and the control chip 12d, and can realize the effect of signal transmission. The control chip 12d can apply a control signal to each electronic structure or device located in the detection area 12a, or can receive a feedback signal from each electronic structure or device, so as to control the cooperative work between each electronic structure or device, thereby realizing the touch sensing and detection function of the touch layer 12.

[0235] It should be noted that inFigure 5 The implementation shown is merely an example illustrating one possible implementation of the structure, placement, and arrangement of the connecting line 12c and the control chip 12d, and does not limit the structure, placement, and arrangement of the connecting line 12c and the control chip 12d in the actual design. That is, in other implementations of this application, the actual structure, placement, arrangement, and quantity of the connecting line 12c and the control chip 12d can be adjusted according to actual design requirements.

[0236] For example, in one possible implementation, the number of control chips 12d can be one.

[0237] Meanwhile, the layout area and dimensions of inspection area 12a and wiring area 12b can also be adjusted according to actual needs. Figure 5 The structure, location, etc. of the detection area 12a and the wiring area 12b are illustrated by way of example only in one possible implementation.

[0238] Understandably, when a human finger F touches the detection area 12a of the touch layer 12, the touch layer 12 can sense and detect the position of the touch point Q formed between the finger F and the touch screen 10, thereby achieving the effect of touch sensing and detection.

[0239] like Figure 6 As shown, the touch layer 12 includes an electrode sublayer 121, an insulator layer 122, and a connecting sublayer 123 stacked together. The insulator layer 122 includes a first surface 1221 and a second surface 1222 facing away from each other, and is connected between the electrode sublayer 121 and the connecting sublayer 123 to achieve a mutual spacing between the electrode sublayer 121 and the connecting sublayer 123, thereby avoiding crosstalk. Figure 6 In the implementation shown, the electrode sublayer 121 is connected to the first surface 1221 of the insulator layer 122, and the connecting sublayer 123 is connected to the second surface 1222 of the insulator layer 122.

[0240] The insulator layer 122 can be made of dense, inert materials such as silicon nitride or silicon oxide, so as to achieve electrical isolation between different film layers and isolation from the external environment.

[0241] Please continue reading. Figure 5 .exist Figure 5 In the implementation shown, the electrode sublayer 121 is constructed as a grid of lines 1211 arranged on the first surface 1221 of the insulator layer 122 (see [link]). Figure 8 The electrode sublayer 121 is also provided with multiple channels 1212 for disconnecting the grid lines 1211, which divide the grid lines 1211 into multiple electrode regions 1213.

[0242] The structural size and layout position of the channel 1212 can be adjusted according to actual needs. Figure 5 In the implementation shown, only one possible implementation of the channel 1212 is exemplarily described, and the structural features of the channel for dividing the grid line 1211 into a plurality of independent electrode areas 1213 in the touch screen 10 proposed in the present application are not limited to this.

[0243] It can be understood that by setting a plurality of channels 1212 to disconnect the grid line 1211, the effect of dividing the grid line 1211 into a plurality of independent electrode areas 1213 is achieved, thereby enabling each electrode area 1213 to be independent and perform different functions, and the mutual cooperation between the plurality of electrode areas 1213 is used to achieve the touch sensing and detection function of the touch layer 12.

[0244] As shown in Figure 5 , in the planar direction of the electrode sub-layer 121, the shape of each electrode area 1213 can be a rhombus.

[0245] It should be noted that in the implementation shown in Figure 5 , only one possible implementation of the electrode area 1213 is exemplarily described, and the actual structural shape and size of the electrode area 1213 are not limited. That is, in the actual design requirements of the electrode area 1213, the structural shape and size of the electrode area 1213 can be adjusted according to actual design needs, and the present application does not make specific limitations.

[0246] The electrode area 1213 includes a plurality of first electrodes 12131, a plurality of second electrodes 12132, and a plurality of conduction segments 12133. The plurality of first electrodes 12131 and the plurality of second electrodes 12132 are arranged in an array and are arranged alternately.

[0247] The conduction segment 12133 is connected between any two adjacent first electrodes 12131 in the first direction 001, so as to conduct the plurality of first electrodes 12131 in the first direction 001.

[0248] The connection segment 1231 (see Figure 6 ) is connected between any two adjacent second electrodes 12132 in the second direction 002, so as to sequentially conduct the plurality of second electrodes 12132 in the second direction 002, wherein the first direction 001 and the second direction 002 are at an included angle.

[0249] In other words, in Figure 5In the illustrated implementation, the electrode region 1213 includes a plurality of first electrode groups B1 and a plurality of second electrode groups B2. The plurality of first electrode groups B1 are arranged in sequence along the second direction 002 and parallel to each other. The plurality of second electrode groups B2 are arranged in sequence along the first direction 001 and parallel to each other.

[0250] In each first electrode group B1, a plurality of first electrodes 12131 are arranged in sequence along the first direction 001, and a conduction segment 12133 is located between any two adjacent first electrodes 12131 along the first direction 001 to conduct each first electrode 12131 in each first electrode group B1 along the first direction 001.

[0251] In each second electrode group B2, a plurality of second electrodes 12132 are arranged in sequence along the second direction 002. A connection segment 1231 is located between any two adjacent second electrodes 12132 along the second direction 002 to conduct each second electrode 12132 in each second electrode group B2 along the second direction 002.

[0252] In the implementation, the first direction 001 and the second direction 002 are perpendicular to each other. Figure 5

[0253] The first electrode 12131 can be configured as a touch driving electrode Tx, and the second electrode 12132 can be configured as a touch sensing electrode Rx.

[0254] It can be understood that, in the implementation, the first electrode 12131 is configured as the touch driving electrode Tx, and the second electrode 12132 is configured as the touch sensing electrode Rx, so that the first electrode 12131 can realize the function of the touch driving electrode Tx, and the second electrode 12132 can realize the function of the touch sensing electrode Rx. Through the cooperation between the first electrode 12131 and the second electrode 12132, the touch sensing and detection function of the touch layer 12 can be realized.

[0255] It should be noted that, Figure 5 The structure and arrangement of the first electrode 12131 and the second electrode 12132 are exemplarily described by taking the first electrode 12131 as the touch driving electrode Tx and the second electrode 12132 as the touch sensing electrode Rx as an example, and the actual structure and arrangement of the first electrode 12131 and the second electrode 12132 are not limited.

[0256] That is, in other implementations of the present application, the actual structure and arrangement of the first electrode 12131 and the second electrode 12132 can be adjusted according to actual needs, and the present application does not limit the actual structure and arrangement of the first electrode 12131 and the second electrode 12132. ​

[0257] For example, in a possible implementation, the first electrode 12131 can be configured as a touch sensing electrode Rx, and the second electrode 12132 can be configured as a touch driving electrode Tx.

[0258] Please continue to refer to Figure 6 In Figure 6 In the implementation shown, the connection sub-layer 123 is located on the second surface 1222 of the insulating sub-layer 122, the connection sub-layer 123 is provided with a plurality of connection segments 1231, and the insulating sub-layer 122 is provided with a plurality of vias 1223. At least part of the electrode area 1213 is sequentially conductive through the via 1223 and the connection segment 1231. That is, the connection segment 1231 can sequentially conduct each second electrode 12132 in the second direction 002 through the via 1223, that is, through the cooperation between the connection segment 1231 and the via 1223, the effect of bridging and connecting between any two adjacent second electrodes 12132 in the second direction 002 can be achieved.

[0259] As Figure 6 shown, the touch layer 12 further includes a flexible substrate 15 and an organic coating layer (OC) 16, and the touch layer 12 is located between the flexible substrate 15 and the organic coating layer 16. Among them, the electrode sub-layer 121 of the touch layer 12 is located on the side of the insulating sub-layer 122 away from the flexible substrate 15. The flexible substrate 15, the touch layer 12, and the organic coating layer 16 are sequentially stacked, and the organic coating layer 16 is located on the side of the touch layer 12 away from the display layer 11.

[0260] In some possible implementation, the organic coating layer 16 can be connected between the touch layer 12 and the protective layer 13.

[0261] Among them, the flexible substrate 15 can be a flexible material, and is used to form and carry the touch layer 12 and the organic coating layer 16 or other film layer structures stacked on one side surface of the flexible substrate 15, so as to ensure the normal use and function realization of the touch layer 12.

[0262] The organic coating layer 16 can form a packaging and protection effect on the touch layer 12, so as to avoid the erosion of external dust, water vapor and the like to the film layer structure or other electronic structure in the touch screen 10, and affect the normal use of the touch screen 10.

[0263] In a possible implementation, please refer to Figure 7 , Figure 7 is a schematic view of a cross-sectional structure of the touch layer 12 in a possible implementation from one side view. In Figure 7In the shown implementation, the touch screen 10 further comprises a buffer layer 17, which is connected between the flexible substrate 15 and the connecting sub-layer 123 of the touch layer 12, and is used to relieve the pressure on the touch layer 12.

[0264] It can be understood that, in the present implementation, by arranging the buffer layer 17 between the flexible substrate 15 and the connecting sub-layer 123 of the touch layer 12, the buffer layer 17 can relieve the pressure on the touch layer 12, thereby achieving the effect of protecting each film layer in the touch layer 12.

[0265] It can be understood that, in the present implementation, by arranging the buffer layer 17 between the flexible substrate 15 and the connecting sub-layer 123 of the touch layer 12, the buffer layer 17 can relieve the pressure on the touch layer 12, thereby achieving the effect of protecting each film layer in the touch layer 12. Figure 8 Figure 9 It can be understood that, in the present implementation, by arranging the buffer layer 17 between the flexible substrate 15 and the connecting sub-layer 123 of the touch layer 12, the buffer layer 17 can relieve the pressure on the touch layer 12, thereby achieving the effect of protecting each film layer in the touch layer 12. Figure 8 Figure 5 It can be understood that, in the present implementation, by arranging the buffer layer 17 between the flexible substrate 15 and the connecting sub-layer 123 of the touch layer 12, the buffer layer 17 can relieve the pressure on the touch layer 12, thereby achieving the effect of protecting each film layer in the touch layer 12. Figure 9 Figure 8 It can be understood that, in the present implementation, by arranging the buffer layer 17 between the flexible substrate 15 and the connecting sub-layer 123 of the touch layer 12, the buffer layer 17 can relieve the pressure on the touch layer 12, thereby achieving the effect of protecting each film layer in the touch layer 12. Figure 8 In the shown implementation, the grid lines 1211 comprise a plurality of first sub-grid lines 1211a and a plurality of second sub-grid lines 1211b, the plurality of first sub-grid lines 1211a are arranged in parallel with each other, the plurality of second sub-grid lines 1211b are arranged in parallel with each other, and any first sub-grid line 1211a intersects with the plurality of second sub-grid lines 1211b to form a plurality of intersection parts 1211c and a plurality of mesh openings 1211d.

[0266] The intersection parts 1211c and the mesh openings 1211d are arranged in an array and staggered with each other to form a grid structure. The light emitted by the display layer 11 can be emitted outward from the mesh openings 1211d, thereby avoiding the grid lines 1211 in the light emission direction of the display layer 11 from blocking the light emitted by the display layer 11 for displaying the picture.

[0267] It can be understood that, by arranging the plurality of first sub-grid lines 1211a in parallel with each other and the plurality of second sub-grid lines 1211b in parallel with each other, and arranging any first sub-grid line 1211a to intersect with the plurality of second sub-grid lines 1211b, the first sub-grid lines 1211a and the second sub-grid lines 1211b can form a grid structure, which can ensure the normal function of each electrode area 1213 while not affecting the light emission of the display layer 11 when displaying.

[0268] That is, by arranging the first sub-grid lines 1211a and the second sub-grid lines 1211b to intersect and form a grid structure, the touch layer 12 can realize the touch sensing and detection function while ensuring the display light emission rate and the light emission effect of the display layer 11.

[0269] It should be noted that, in the present implementation, Figure 8 ​​​In the shown implementation, only one possible implementation of the grid lines 1211 is exemplarily illustrated, and the actual structure and actual layout of the grid lines 1211 are not limited.

[0270] For example, in one possible implementation, as shown in Figure 8 The angle between the first sub-grid line 1211a and the second sub-grid line 1211b is 90 degrees. That is, in the planar direction of the electrode sub-layer 121, the mesh opening 1211d of the grid line 1211 is square-shaped. In other implementations of the present application, the angle between the first sub-grid line 1211a and the second sub-grid line 1211b can also be other values, such as 60 degrees, 70 degrees, 80 degrees, etc., and the structure shape of the mesh opening 1211d in the planar direction of the electrode sub-layer 121 can also be rhombus-shaped, etc.

[0271] That is, the angle between the first sub-grid line 1211a and the second sub-grid line 1211b can be adjusted according to actual optical requirements, etc., which is not specifically limited in the present application.

[0272] The grid line 1211 between any two adjacent electrode regions 1213 has a break 12111 at the channel 1212. It can be understood that the plurality of breaks 12111 can achieve the effect of breaking the grid line 1211, and when the breaks 12111 are continuously arranged in a certain direction, the channel 1212 can be formed, thereby achieving the effect of dividing the electrode sub-layer 121 into a plurality of independent electrode regions 1213.

[0273] It can be understood that the touch control layer 12 is arranged by the grid line 1211, and the grid line 1211 is broken by the plurality of channels 1212, so that the grid line 1211 is divided into a plurality of independent electrode regions 1213, and the touch control layer 12 is realized by the cooperation between the plurality of electrode regions 1213. The touch control function of the touch control layer 12 is realized, and the touch screen 10 can realize the effect of touch control.

[0274] It should be noted that in Figure 8 only one possible implementation of the channel 1212 is exemplarily illustrated, and the structure shape, extension direction, and structure size of the channel 1212 are not limited to Figure 8 as shown.

[0275] Specifically, the mesh line 1211 located in the two adjacent electrode regions 1213 has an end 12112 configured as a boundary of the break 12111 at the position of the channel 1212. In other words, the mesh line 1211 has the end 12112 at the break 12111, and one end of the end 12112 is connected to the intersection 1211c, and the other end away from the intersection 1211c is configured as the boundary of the break 12111.

[0276] It should be noted that the end 12112, the intersection 1211c and the like described herein are essentially part structures of the mesh line 1211 at different positions or for different functions. The present application distinguishes the part structures of the mesh line 1211 at different positions or for different functions for the convenience of description, but does not mean that the end 12112, the intersection 1211c and the like are different from other parts of the mesh line 1211 in material, process and the like.

[0277] It can be understood that, in the implementation shown in the figure, Figure 9 corresponding to one break 12111, two opposite ends 12112 can be configured as two opposite boundaries of the break 12111 respectively, and thus one break 12111 is formed.

[0278] As shown in the figure, Figure 9 the width W1 of the break 12111 is greater than or equal to 8 micrometres (micrometre, um).

[0279] In other words, the width W1 of the break 12111 can be 8 um, 10 um, 20 um or other values greater than or equal to 8 um.

[0280] It can be understood that, by setting the width W1 of the break 12111 to be greater than or equal to 8 um, the touch screen 10 forms the effect of expanding the width of the channel 1212, so as to be able to reduce the stress concentration phenomenon at the break 12111 when the touch screen 10 is bent, avoid the phenomenon of cracks or breakage of each film layer in the touch layer 12 at the break 12111, and thus improve the use reliability and service life of the touch screen 10.

[0281] In a possible implementation, the length of the end 12112 is 0.5-3 um.

[0282] Specifically, as shown in the figure, Figure 10 in the planar direction of the electrode sub-layer 121, the end 12112 has a first length L1, that is, the first length L1 is 0.5-3 um. The first length L1 of the end 12112 is the distance between one end of the end 12112 connected to the intersection 1211c and the other end away from the intersection 1211c.

[0283] Understandably, by setting the length of the end 12112 to 0.5–3 μm, stress concentration caused by sharp corners at the intersections 1211c of the grid lines 1211 can be avoided. Simultaneously, by setting the length of the end 12112 at the break 12111 to 0.5–3 μm, the width of the channel 1212 is further increased, which can further reduce stress concentration at the break 12111 during bending.

[0284] In one possible implementation, please refer to Figure 10 , Figure 10 This is a schematic diagram of a local planar structure of the grid lines 1211 in the touch layer 12 in one possible implementation. (See diagram below.) Figure 10 As shown, the width W2 of end 12112 is greater than the width W3 of grid line 1211.

[0285] Understandably, in this implementation, by setting the width W2 of the end 12112 to be greater than the width W3 of the grid line 1211, the stress-bearing area at the end 12112 when the touch screen 10 is bent can be increased, thereby dispersing the stress generated at the end 12112 when the touch screen 10 is bent, and improving the stress concentration phenomenon at the end 12112 when bent.

[0286] Specifically, in Figure 10 In the implementation shown, at the location corresponding to the break 12111, at least a portion of the grid line 1211 is constructed as the boundary of the break 12111, one end of which is connected to the intersection 1211c, and the other end away from the intersection 1211c is constructed as the end 12112. In the planar direction of the touch layer 12, the end 12112 is constructed as the boundary of the break 12111 in the shape of an arc.

[0287] That is, the end 12112 is constructed such that the boundary of the break 12111 is an arc, and the diameter of the arc is greater than the width W3 of the grid line 1211, thereby creating the effect that the width W2 of the end 12112 is greater than the width W3 of the grid line 1211.

[0288] It should be noted that, in Figure 10 In the implementation shown, the example of the boundary of the end 12112 being constructed as a break 12111 being an arc is used for illustration only, and it is not limited to the shape of the boundary of the end 12112 being constructed as a break 12111 being limited to an arc. In other embodiments of this application, the shape of the boundary of the end 12112 being constructed as a break 12111 is arc-shaped in the planar direction of the touch layer 12.

[0289] For example, in a possible implementation, the end 12112 can also be configured in an elliptical arc shape or other arc shape, etc.

[0290] It can be understood that, in the present implementation, by configuring the end 12112 in an arc shape as the boundary of the break 12111, the stress concentrated on the end 12112 can be smoothly transitioned and dispersed at the boundary of the end 12112 of the break 12111, so as to further reduce the stress concentration phenomenon.

[0291] In a possible implementation, the width W2 of the end 12112 is greater than or equal to 3.5 um.

[0292] In the present implementation, by configuring the width W2 of the end 12112 to be greater than or equal to 3.5 um, the stress area of the end 12112 is increased, the effect of dispersing the stress generated at the end 12112 of each film layer structure when the touch screen 10 is bent is formed, and the stress concentration phenomenon at the end 12112 when bent can be further improved.

[0293] It should be noted that, in the present implementation, the end 12112 is configured in an arc shape as the boundary of the break 12111. Figure 8 In the implementation shown in FIG. 12, only one possible implementation of the end 12112 is exemplarily introduced. In other possible implementations of the present application, the end 12112 can also be connected to the intersection 1211c at one end, and the other end away from the intersection 1211c is configured as the boundary of the break 12111 (as shown in FIG. 13). Figure 11

[0294] In a possible implementation, please refer to Figure 11 , Figure 11 FIG. 14 is a schematic diagram of a partial planar structure of the grid line 1211 in the touch layer 12 in a possible implementation. In the implementation shown in FIG. 14, each break 12111 is parallel to the bending center axis 100b of the bending area 100a. Figure 11

[0295] Specifically, as shown in FIG. 15, when the electronic device 100 is bent around the bending center axis 100b, at least part of the structure in the touch layer 12 located in the bending area 100a is bent around the bending center axis 100b at the same time. In the planar direction of the electrode sub-layer 121, the boundary extension direction of each break 12111 is parallel to the bending center axis 100b. Figure 12

[0296] ​​​In this implementation, by setting each break 12111 to be parallel to the bending center axis 100b of the bending area 100a, that is, by setting the boundaries of each break 12111 to be parallel to the bending center axis 100b, the stress generated when the touch screen 10 is bent is dispersed, thus avoiding stress concentration at the break 12111.

[0297] Meanwhile, by setting each fracture 12111 to be parallel to the bending center axis 100b within the bending zone 100a, the area of ​​the fracture 12111 in the direction along the bending center axis 100b can be increased, further dispersing the stress generated during bending and avoiding stress concentration.

[0298] Please refer to one possible implementation as well. Figure 13 and Figure 12 , Figure 13 This is a schematic diagram of a local planar structure of the grid lines 1211 in the touch layer 12 in one possible implementation. Figure 12 for Figure 12 The diagram shows a cross-sectional view of the touch layer 12 at position CC in the illustrated implementation. The connecting sublayer 123 has multiple support segments 1232. Along the length of each support segment 1232, the projection of each support segment 1232 onto the first surface 1221 covers a break 12111. The length direction of the support segment 1232 is also its extension direction.

[0299] Specifically, in Figure 12 In the illustrated embodiment, corresponding to the non-bridging positions in the touch layer 12, the connecting sublayer 123 further provides a support segment 1232 on one side of the second surface 1222 of the insulator layer 122. In other words, corresponding to at least a portion of the break 12111, the connecting sublayer 123 achieves the effect of connecting at least a portion of the electrode region 1213 by providing the connecting segment 1231. At the locations of each break 12111 where no connecting segment 1231 is provided, the connecting sublayer 123 provides a support segment 1232.

[0300] Understandably, in this implementation, by setting support segments 1232 and positioning each support segment 1232 along its length, the projection of each support segment 1232 onto the first surface 1221 covers a break 12111. This allows the support segments 1232 and the end 12112 to overlap in the opposite direction of the electrode sub-layer 121 and the insulator layer 122. Consequently, the support segments 1232 act as reinforcing ribs in the connecting sub-layer 123, thereby enhancing the stress bearing capacity of the connecting sub-layer 123 at the break 12111 and preventing cracks or breaks in the connecting sub-layer 123 at the break 12111.

[0301] It should be noted that, in Figure 12 In the implementation shown, the material of the support segment 1232 can be the same as that of the connecting segment 1231. In other implementations of the present application, the material of the support segment 1232 can also be adjusted according to design requirements, for example, it can also be made of other materials with good toughness and strength.

[0302] Meanwhile, in Figure 13 In the implementation shown, only one possible implementation of the support segment 1232 is exemplarily illustrated, and the layout position, structure size, and other characteristics of the support segment 1232 are not limited.

[0303] For example, in one possible implementation, the support segment 1232 can also extend in a direction away from the fracture 12111 corresponding thereto, and the extension wiring thereof can correspond to at least part of the grid lines 1211 in the electrode sub-layer 121, that is, the projection of the support segment 1232 on the first surface 1221 coincides with at least part of the grid lines 1211.

[0304] For example, in one possible implementation, the thickness of the support segment 1232 can be the same as that of the connecting segment 1231.

[0305] In one possible implementation, as Figure 12 shown. The length L3 of the support segment 1232 is greater than or equal to 4 um.

[0306] It can be understood that, in the present implementation, by setting the length L3 of the support segment 1232 to be greater than or equal to 4 um, the stress bearing capacity of the support segment 1232 can be ensured, so as to further improve the stress bearing capacity of the connecting sub-layer 123 at the fracture 12111.

[0307] In one possible implementation, corresponding to one fracture 12111, one end head 12112 configured as the boundary of the fracture 12111 has a first length L1, and the length of the projection of the support segment 1232 on the first surface 1221 coinciding with the end head 12112 is a second length L2.

[0308] Among them, the second length L2 is less than or equal to 1 / 2L1.

[0309] In the present implementation, by setting the second length L2 of the projection of the support segment 1232 on the first surface 1221 coinciding with the end head 12112 to be less than or equal to 1 / 2L1, the overlapping length between the support segment 1232 and the end head 12112 in the direction opposite to the electrode sub-layer 121 and the insulating sub-layer 122 can be ensured, so as to further ensure the stress bearing capacity of the support segment 1232 and form a better stress bearing capacity.

[0310] In a possible implementation, please refer to Figure 12 As shown in Figure 14 , the width W2 of the end 12112 is greater than or equal to the width W4 of the support segment 1232.

[0311] It can be understood that, in the present implementation, by setting the width W2 of the end 12112 to be greater than or equal to the width W4 of the support segment 1232, the stress carrying capacity of the connection sub-layer 123 when bending can be improved, and at the same time, the support segment 1232 does not affect the light emission of the display layer 11 of the electronic device 100 when displaying, so as to improve the use effect and applicability of the touch layer 12.

[0312] In a possible implementation, please refer to Figure 15 and Figure 14 , Figure 5 As shown in Figure 15 , the partial enlarged planar structure schematic diagram of the touch layer 12 at the position H in the implementation, Figure 14 As shown in Figure 14 , the partial enlarged planar structure schematic diagram at the position T in the implementation. The electrode region 1213 has a first connection end 1213a at the via 1223, the connection segment 1231 (shown by a thick solid line in the figure) has a second connection end 1231a at the via 1223, and the projection of the second connection end 1231a on the first surface 1221 is accommodated in the first connection end 1213a. It can be understood that the first connection end 1213a and the second connection end 1231a are in a mutual stacking relationship in the opposite direction of the electrode sub-layer 121 and the connection sub-layer 123, and are connected by the via 1223.

[0313] It should be noted that, in the implementation shown in Figure 14 , only a possible implementation of the connection segment 1231 is exemplarily described, and the actual structure shape, actual wiring direction, and other characteristics of the connection segment 1231 are not limited. That is, in other implementations of the present application, the actual structure shape and other characteristics of the connection segment 1231 can be adjusted according to actual design requirements, such as optical requirements, reliability requirements, etc., which are not limited in the present application.

[0314] At the same time, in order to distinguish the connection segment 1231 and the grid line 1211, in the implementation shown in Figure 14 , the connection segment 1231 is shown by a thick solid line, but does not represent the actual structure characteristics of the connection segment 1231.

[0315] Specifically, in Figure 15In the illustrated implementation, multiple grid lines 1211 located within the electrode region 1213 intersect to form multiple intersections 1211c. At least a portion of the intersections 1211c are aligned with vias 1223 in the direction opposite to the electrode sublayer 121 and the insulator layer 122; that is, at least a portion of the grid lines 1211 at the location corresponding to the via 1223 forms a first connection end 1213a. A second connection end 1231a is formed at the location corresponding to the via 1223. The first connection end 1213a and the second connection end 1231a are connected through the via 1223 to achieve the effect of conducting a portion of the electrode region 1213.

[0316] The projection of the second connecting end 1231a onto the first surface 1221 is accommodated within the first connecting end 1213a. That is, in Figure 15 In the implementation shown, the first connection end 1213a and the second connection end 1231a are both circular in the planar direction of the insulator layer 122, and the diameter of the first connection end 1213a is greater than or equal to the diameter of the second connection end 1231a.

[0317] In other words, in the planar direction of the insulator layer 122, the area of ​​the first connection end 1213a is greater than or equal to the area of ​​the second connection end 1231a.

[0318] It should be noted that, in Figure 15 The implementation shown is only an example of one possible implementation of the first connecting end 1213a and the second connecting end 1231a. In other embodiments of this application, the structural shapes of the first connecting end 1213a and the second connecting end 1231a can also be square, rhombus, or other arbitrary polygons, and their structural dimensions and other features can also be adjusted according to actual design requirements.

[0319] Understandably, in this implementation, by setting the projection of the second connection end 1231a on the first surface 1221 to be housed within the first connection end 1213a, the stress-bearing area of ​​the grid line 1211 is increased, thereby avoiding the phenomenon of stress concentration at the first connection end 1213a.

[0320] In one possible implementation, please refer to Figure 16 As shown. In the planar direction of the touch layer 12, the distance J between the edge of the projection of the second connection terminal 1231a on the first surface 1221 and the edge of the first connection terminal 1213a is 1~3um.

[0321] In the present embodiment, by setting the distance J between the edge of the projection of the second connecting end 1231a on the first surface 1221 and the edge of the first connecting end 1213a to be 1-3 um, the display light of the display layer 11 of the touch screen 10 when displaying can be avoided while ensuring the stress bearing area of the first connecting end 1213a, so as to improve the use effect and applicability of the touch layer 12.

[0322] In a possible implementation, refer to Figure 16 , Figure 14 for Figure 16 the partial enlarged planar structure schematic diagram of the present embodiment at position N. As Figure 16 shown, for the positions without setting the via hole 1223, any two adjacent connecting segments 1231 have a connecting part 1231b, that is, the connecting part 1231b is formed by connecting any two adjacent connecting segments 1231.

[0323] In Figure 16 the present embodiment, in the direction opposite to the electrode sub-layer 121 and the connecting sub-layer 123, the extension direction of the connecting part 1231b corresponds to at least part of the intersection part 1211c formed by the intersection of the plurality of grid lines 1211 of the electrode sub-layer 121. And in the planar direction of the electrode sub-layer 121, the extension direction of the connecting part 1231b intersects with the length direction of the intersection part 1211c, that is, the two are not perpendicular to each other. At the same time, the projection of the connecting part 1231b on the first surface 1221 is accommodated in the intersection part 1211c, thereby being able to form the effect of increasing the area of the intersection part 1211c, and further improve the stress bearing capacity of the electrode sub-layer 121, so as to avoid stress concentration and cause cracks or fractures of the electrode sub-layer 121 or other film layer structures.

[0324] It should be noted that in Figure 17 the present embodiment, only the connecting part 1231b and the intersection part 1211c are exemplarily described, and the actual structure shape of the connecting part 1231b and the intersection part 1211c is not limited. In other embodiments of the present application, the actual structure shape of the connecting part 1231b and the intersection part 1211c can be adjusted according to actual needs, and the present application does not make specific limitation thereon.

[0325] It can be understood that, refer to Figure 17 , Figure 17 for the planar structure schematic diagram of the touch screen 10 in a possible implementation. In Figure 18In the illustrated implementation, the touch control layer 12 proposed in any of the above implementations is arranged in the bending area 100a, so as to be able to optimize the film layer structure in the touch screen 10, and to be able to improve the stress concentration phenomenon of the touch screen 10 when the bending area 100a is bent, so as to reduce the risk of film layer cracking of the touch screen 10 when the touch screen 10 is bent, and to further improve the yield rate and use experience of the electronic device 100.

[0326] That is, in the above implementation, the touch control layer 12 located in the bending area 100a can be optimized to avoid film layer rupture or cracking caused by stress concentration when the touch screen 10 is bent, but it does not mean that the touch control layer for realizing touch sensing and detection function is only arranged in the bending area 100a in the touch screen 10. In other implementations of the present application, the touch control layer 12 proposed in any of the above implementations can also be arranged at other positions of the touch screen 10.

[0327] For example, in a possible implementation, please refer to Figure 18 , Figure 18 FIG. 1 is a schematic diagram of a planar structure of the touch screen 10 in a possible implementation. As Figure 18 shown, the electronic device 100 also includes a non-bending area 100c, that is, the electronic structures or devices of the electronic device 100 located in the non-bending area 100c can not be folded, bent, etc.

[0328] At least part of the structure of the touch screen 10 is also located in the non-bending area 100c, that is, the touch screen 10 also includes the non-bending area 100c, the non-bending area 100c is located at least one side of the bending area 100a, and the touch control layer 12 is also at least partially arranged in the non-bending area 100c.

[0329] It can be understood that, in the present implementation, by arranging the touch control layer 12 at least partially in the non-bending area 100c, the film layer structure of the touch control layer 12 located in the non-bending area 100c can be optimized, so as to improve the stress bearing capacity of the film layer located in the non-bending area 100c, and to reduce the stress concentration phenomenon of the film layer located in the non-bending area 100c, and to avoid the film layer rupture or film layer cracking phenomenon of the touch screen 10 in the non-bending area.

[0330] It should be noted that Figure 18 only a possible implementation of the non-bending area 100c is taken as an example to exemplarily illustrate the arrangement position of the touch control layer 12, but the arrangement area and arrangement position of the non-bending area 100c are not limited to only as Figure 19As shown. That is, the layout area and layout position of the non-bending area 100c can be adjusted according to actual needs, depending on different design requirements or the bending requirements of different electronic devices 100.

[0331] For example, in one possible implementation, please refer to Figure 19 , Figure 19 This is a schematic diagram of the planar structure of the touch screen 10 in one possible implementation. Figure 20 In the implementation shown, the non-bending region 100c is located on opposite sides of the bending region 100a.

[0332] For example, in one possible implementation, please refer to Figure 20 , Figure 20 This is a schematic diagram of the planar structure of the touch screen 10 in one possible implementation. Figure 21 In the implementation shown, the non-bending area 100c is completely covered by the touch layer 12.

[0333] In this implementation, by setting the touch layer 12 to completely cover the non-bending area 100c, the phenomenon of cracks or breaks in the film layers within the touch screen 10 can be reduced, thereby ensuring the reliability of the entire touch screen 10.

[0334] Please refer to the following: Figure 22 and Figure 21 , Figure 22 This is a schematic diagram of a partial planar structure of the grid lines 1211' in the touch layer 12' in a comparative embodiment. Figure 21 for Figure 21 The illustrated embodiment shows a cross-sectional view of the touch layer 12' from one side when it is bent. Figure 23 In the comparative embodiment shown, the width of the break 12111' of the grid line 1211' is too small, which makes it easy for stress concentration to occur at the break 12111' of the grid line 1211'. In addition, due to the insufficient toughness of some film layers inside the touch screen 10 and poor bending characteristics, there is a large stress concentration in the bending area 100a of the touch screen 10. Some film layers are prone to cracks or breaks, causing problems such as black spots or screen failure when the electronic device 100 is displayed.

[0335] The touchscreen 10 of this application, by setting the width W1 of the break 12111 to be greater than or equal to 8µm, effectively widens the channel 1212. This reduces stress concentration at the break 12111 when the touchscreen 10 is bent, preventing cracks or breaks in the various film layers within the touch layer 12 at the break 12111, thereby improving the reliability and lifespan of the touchscreen 10. This, in turn, improves the yield rate and user experience of the electronic device 100 of this application.

[0336] Please refer to the following: Figure 24 and Figure 23 , Figure 24 This is a partial planar structure diagram of the touch layer 22 of another touch screen 20 provided in this application. Figure 23 for Figure 23 The illustrated embodiment shows a cross-sectional view of the touch layer 22 from one side. The touch screen 20 includes multiple film layer structures identical to those in the touch screen 10. Therefore, in the touch screen 20, the film layer structures corresponding to those in the touch screen 10 are numbered the same, except that the reference numerals begin with "2" instead of "1".

[0337] exist Figure 28 In the implementation shown, the touch screen 20 also has a bending area 200a (see [link]). Figure 24 As shown, a touch layer 22 is provided within the bending area 200a. The touch layer 22 also includes an electrode sub-layer 221, an insulator layer 222, and a connecting sub-layer 223. The electrode sub-layer 221 is constructed as grid lines 2211 arranged on the first surface 2221 of the insulator layer 222. The touch layer 22 also has multiple channels 2212 for disconnecting the grid lines 2211. The multiple channels 2212 divide the grid lines 2211 into multiple electrode regions 2213. The grid lines 2211 between any two adjacent electrode regions 2213 form a break 22111 at the channel 2212.

[0338] like Figure 23 As shown, the connecting sublayer 223 is also provided with multiple connecting segments 2231, and the insulator layer 222 is provided with multiple vias 2223. At least a portion of the electrode region 2213 is connected sequentially through the vias 2223 and the connecting segments 2231.

[0339] Specifically, in one possible implementation, such as Figure 23 As shown, the electrode region 2213 also includes multiple first electrodes 22131, multiple second electrodes 22132, and multiple conductive segments 22133. The multiple first electrodes 22131 and multiple second electrodes 22132 are arranged in an array and are staggered with each other.

[0340] The conductive segment 22133 is connected between any two adjacent first electrodes 22131 along the first direction 001 to conduct multiple first electrodes 22131 in the first direction 001.

[0341] The connecting segment 2231 is connected between any two adjacent second electrodes 22132 along the second direction 002, so as to sequentially conduct multiple second electrodes 22132 in the second direction 002.

[0342] In a possible implementation, the first electrode 22131 is a touch control driving electrode Tx, and the second electrode 22132 is a touch control sensing electrode Rx.

[0343] In a possible implementation, the first electrode 22131 is a touch control sensing electrode Rx, and the second electrode 22132 is a touch control driving electrode Tx.

[0344] It can be understood that, the touch screen 20 can also be formed by arranging the grid lines 2211 in the touch control layer 22, and by arranging the plurality of channels 2212 to disconnect the grid lines 2211, so that the grid lines 2211 are divided into a plurality of independent electrode areas 2213, and the touch control sensing function of the touch control layer 22 is realized by cooperation between the plurality of electrode areas 2213, so that the touch screen 20 can realize the touch control effect.

[0345] As shown in Figure 23 , each of the breakages 22111 is parallel to the bending center axis 200b of the bending area 200a.

[0346] Specifically, as shown in Figure 23 , when the electronic device 100 is bent around the bending center axis 200b, at least part of the structure in the touch control layer 22 will be bent around the bending center axis 200b at the same time. In the planar direction of the electrode sub-layer 221, the boundary extension direction of each of the breakages 22111 is parallel to the bending center axis 200b.

[0347] In a possible implementation, the width W5 of the breakage 22111 is 4-5.5 um.

[0348] In a possible implementation, as shown in Figure 25 , in the implementation, the touch screen 20 further includes a flexible substrate 25 and an organic coating layer 26, and the touch control layer 22 is laminated between the flexible substrate 25 and the organic coating layer 26, wherein the electrode sub-layer 221 of the touch control layer 22 is arranged on the side of the insulating sub-layer 222 away from the flexible substrate 25.

[0349] In a possible implementation, the touch screen 20 further includes a buffer layer 27 (see Figure 25 ), which is connected between the flexible substrate 25 and the connecting sub-layer 223 of the touch control layer 22, and is used to relieve the pressure on the touch control layer 22.

[0350] In a possible implementation, please refer to Figure 25 , Figure 25 for a cross-sectional structure diagram of the touch control layer 22 from one side view in a possible implementation. In Figure 25In the shown implementation, the connection sub-layer 223 of the touch screen 20 is also provided with a plurality of support segments 2232, and in the length direction of each support segment 2232, the projection of each support segment 2232 on the first surface 2221 covers one break 22111.

[0351] In a possible implementation, the length of the support segment 2232 is greater than or equal to 4 um.

[0352] In a possible implementation, please refer to Figure 26 In the implementation, one end 22112 of the grid line 2211 has a first length L1, and the length of the part of the projection of the support segment 2232 on the first surface 2221 that coincides with the corresponding one end 22112 is a second length L2, which is less than or equal to 1 / 2 L1.

[0353] In a possible implementation, please refer to Figure 26 , Figure 25 For Figure 26 the partial planar view of the grid line 2211 in the shown implementation. In Figure 27 the implementation, the width W6 of the end 22112 is greater than or equal to the width W7 of the support segment 2232.

[0354] In a possible implementation, the width W6 of the end 22112 is greater than or equal to 3.5 um.

[0355] In a possible implementation, please refer to Figure 27 , Figure 27 For the partial planar structure view of the touch layer 22 in a possible implementation. In Figure 28 the implementation, the electrode region 2213 is also provided with a first connection end 2213a at the via 2223, and the connection segment 2231 is also provided with a second connection end 2231a at the via 2223, and the projection of the second connection end 2231a on the first surface 2221 is contained in the first connection end 2213a.

[0356] In a possible implementation, in the planar direction of the touch layer 22, the distance between the edge of the projection of the second connection end 2231a on the first surface 2221 and the edge of the first connection end 2213a is 1-3 um.

[0357] In a possible implementation, please refer to Figure 28 , Figure 28 For the planar structure view of the touch screen 20 in a possible implementation. In Figure 29In the implementation shown, the touch screen 20 also includes a non-bending area 200c, which is located on at least one side of the bending area 200a, and the touch layer 22 is at least partially disposed within the non-bending area 200c.

[0358] In one possible implementation, the non-bending region 200c is located on opposite sides of the bending region 200a.

[0359] In one possible implementation, the non-bending area 200c is completely covered by the touch layer 22.

[0360] The touch screen 20 of this application is configured such that each break 22111 is parallel to the bending center axis 200b, that is, the boundary of each break 22111 is parallel to the bending center axis 200b, so as to form a stress-dispersing effect when the touch screen 20 is bent, and avoid stress concentration at the break 22111.

[0361] Furthermore, by setting each break point 22111 to be parallel to the bending center axis 200b, the area of ​​the break point 22111 along the bending center axis 200b can be increased, further dispersing the stress generated during bending and avoiding stress concentration. This, in turn, prevents cracks or breaks in the various film layers within the touch screen 20 at the break points 22111, thereby improving the reliability and lifespan of the touch screen 20.

[0362] It should be noted that the specific structures and technical effects of the above-mentioned implementation methods are the same as or similar to the specific structures and technical effects of the corresponding implementation methods in the touch screen 10. This embodiment will not elaborate on them one by one.

[0363] Please refer to the following: Figure 30 and Figure 29 , Figure 30 This is a partial planar structural diagram of the touch layer 32 of another touch screen 30 provided in this application. Figure 29 for Figure 29 The illustrated embodiment shows a cross-sectional view of the touch layer 32 from one side. The touch screen 30 includes multiple film layer structures identical to those in the touch screen 10. Therefore, the film layer structures in the touch screen 30 are numbered the same as those in the touch screen 10, except that the reference numerals begin with "3" instead of "1".

[0364] exist Figure 34 In the implementation shown, the touch screen 30 also has a bending area 300a (see [link]). Figure 30), the bending area 300a is provided with a touch layer 32, and the touch layer 32 also includes electrode sub-layers 321, insulating sub-layers 322 and connecting sub-layers 323. The electrode sub-layers 321 are configured as grid lines 3211 arranged on a first surface 3221 of the insulating sub-layers 322.

[0365] The touch layer 32 is also provided with a plurality of channels 3212 for disconnecting the grid lines 3211, and the plurality of channels 3212 divide the grid lines 3211 into a plurality of electrode areas 3213. The grid lines 3211 between any two adjacent electrode areas 3213 form a break 32111 at the channel 3212.

[0366] As shown in Figure 29 , the connecting sub-layers 323 are also provided with a plurality of connecting segments 3231, and the insulating sub-layers 322 are provided with a plurality of vias 3223. At least part of the electrode areas 3213 are sequentially connected through the vias 3223 and the connecting segments 3231.

[0367] Specifically, in one possible implementation, as shown in Figure 29 , the electrode areas 3213 also include a plurality of first electrodes 32131, a plurality of second electrodes 32132, and a plurality of connecting segments 32133. The plurality of first electrodes 32131 and the plurality of second electrodes 32132 are arranged in an array and staggered with each other.

[0368] The connecting segments 32133 are connected between any two adjacent first electrodes 32131 in the first direction 001, so as to sequentially connect the plurality of first electrodes 32131 in the first direction 001.

[0369] The connecting segments 3231 are connected between any two adjacent second electrodes 32132 in the second direction 002, so as to sequentially connect the plurality of second electrodes 32132 in the second direction 002.

[0370] In one possible implementation, the first electrodes 32131 are touch driving electrodes Tx, and the second electrodes 32132 are touch sensing electrodes Rx.

[0371] In one possible implementation, the first electrodes 32131 are touch sensing electrodes Rx, and the second electrodes 32132 are touch driving electrodes Tx.

[0372] It can be understood that the touch screen 30 of the present application can also divide the grid lines 3211 into a plurality of independent electrode areas 3213 by arranging the grid lines 3211 in the touch layer 31 and disconnecting the grid lines 3211 by the plurality of channels 3212. The touch screen 30 can realize touch control by the cooperation between the plurality of electrode areas 3213 to realize the touch sensing and detection function of the touch layer 32.

[0373] exist Figure 29 In the implementation shown, the grid line 3211 between any two adjacent electrode regions 3213 has an end 32112 at the channel 3212, and the width of the end 32112 is greater than the width of the grid line 3211.

[0374] In one possible implementation, the width of the end 32112 is greater than or equal to 3.5µm.

[0375] Understandably, in this implementation, by setting the width of the end 32112 to be greater than or equal to 3.5um, the force-bearing area of ​​the end 32112 is increased, thereby dispersing the stress generated at the end 32112 when the touch screen 30 is bent, which can improve the stress concentration phenomenon at the end 32112 when bending.

[0376] In one possible implementation, the end 32112 is constructed such that the boundary of the break 32111 is arc-shaped in the planar direction of the touch layer 32.

[0377] In one possible implementation, such as Figure 30 As shown, in the planar direction of the touch layer 32, the end 32112 is constructed such that the boundary of the break 32111 is arc-shaped.

[0378] In one possible implementation, such as Figure 31 As shown. In this implementation, the touch screen 30 also includes a flexible substrate 35 and an organic coating layer 36. The touch layer 32 is stacked between the flexible substrate 35 and the organic coating layer 36. The electrode sublayer 321 of the touch layer 32 is disposed on the side of the insulator layer 322 away from the flexible substrate 35.

[0379] In one possible implementation, the touchscreen 30 also includes a buffer layer 37 (see [link]). Figure 31 The buffer layer 37 is connected between the flexible substrate 35 and the connecting sublayer 323 of the touch layer 32, and is used to relieve the pressure on the touch layer 32.

[0380] In one possible implementation, please refer to Figure 31 , Figure 31 This is a cross-sectional view of the touch layer 32 from one side in one possible implementation. Figure 31 In the implementation shown, the connecting sub-layer 323 of the touch screen 30 is also provided with multiple support segments 3232. In the length direction of each support segment 3232, the projection of each support segment 3232 on the first surface 3221 covers a break 32111.

[0381] In one possible implementation, the length of the support segment 3232 is greater than or equal to 4 μm.

[0382] In a possible implementation, please refer to Figure 32 In the implementation, one end 32112 of the grid line 3211 has a first length L1, and the length of the part of the projection of the support segment 3232 on the first surface 3221 that coincides with the one end 32112 is a second length L2, which is less than or equal to 1 / 2 L1.

[0383] In a possible implementation, please refer to Figure 32 , Figure 31 For the partial planar view of the grid line 3211 in the implementation shown in Figure 32 In the implementation shown in Figure 33 The width of the end 32112 is greater than or equal to the width of the support segment 3232.

[0384] In a possible implementation, please refer to Figure 33 , Figure 33 For the partial planar structure view of the touch layer 32 in a possible implementation. In the implementation shown in Figure 34 The electrode region 3213 also has a first connection end 3213a at the via 3223, and the connection segment 3231 also has a second connection end 3231a at the via 3223, and the projection of the second connection end 3231a on the first surface 3221 is accommodated in the first connection end 3213a.

[0385] In a possible implementation, in the planar direction of the touch layer 32, the distance between the edge of the projection of the second connection end 3231a on the first surface 3221 and the edge of the first connection end 3213a is 1-3 um.

[0386] In a possible implementation, please refer to Figure 34 , Figure 34 For the planar structure view of the touch screen 30 in a possible implementation. In the implementation shown in Figure 35 The touch screen 30 also includes a non-bending region 300c located at least one side of the bending region 300a, and the touch layer 32 is also at least partially arranged in the non-bending region 300c.

[0387] In a possible implementation, the non-bending region 300c is located at opposite sides of the bending region 300a.

[0388] In a possible implementation, the non-bending region 300c is completely covered with the touch layer 32.

[0389] It can be understood that the touch screen 30 provided in the present application can increase the stress bearing area at the end 32112 when the touch screen 30 is bent by setting the width of the end 32112 to be greater than the width of the grid line 32111, and can further form the effect of dispersing the stress generated at the end 32112 when the touch screen 30 is bent, so as to improve the stress concentration at the end 32112 when bent, avoid the phenomenon of cracks or breakage of each film layer in the touch layer 32 at the break 32111, and further improve the use reliability and service life of the touch screen 30.

[0390] It should be noted that the specific structures and technical effects in the above various implementation manners are respectively the same as or similar to the specific structures and technical effects in the corresponding implementation manners in the touch screen 10, and will not be described here.

[0391] Please refer to Figure 36 and Figure 35 , Figure 36 a partial planar structure schematic diagram of a touch layer 42 of another touch screen 40 provided in the present application, Figure 35 a partial planar structure schematic diagram of a touch layer 42 of another touch screen 40 provided in the present application, Figure 35 a cross-sectional structure schematic diagram of the touch layer 42 at position Y-Y in the embodiment shown. The touch screen 40 includes a plurality of film layer structures which are the same as the touch screen 10, so that in the touch screen 40, the numbering corresponding to each film layer structure in the touch screen 10 is the same, and the difference is that the reference numerals start with "4" instead of "1".

[0392] In Figure 39 the implementation manner shown, the touch screen 40 also has a bending area 400a (please refer to Figure 36 ), and the touch layer 42 is arranged in the bending area 400a. The touch layer 42 also includes an electrode sub-layer 421, an insulating sub-layer 422 and a connecting sub-layer 423. The electrode sub-layer 421 is configured as a grid line 4211 arranged on a first surface 4221 of the insulating sub-layer 422.

[0393] The touch layer 42 also has a plurality of channels 4212 for disconnecting the grid line 4211, and the plurality of channels 4212 divide the grid line 4211 into a plurality of electrode areas 4213. The grid line 4211 between any two adjacent electrode areas 4213 forms a break 42111 at the channel 4212.

[0394] As shown in Figure 35 , the connecting sub-layer 423 also has a plurality of connecting segments 4231, and the insulating sub-layer 422 has a plurality of vias 4223. At least part of the electrode areas 4213 are sequentially conducted through the vias 4223 and the connecting segments 4231.

[0395] Specifically, in a possible implementation manner, as shown inFigure 36 As shown, the electrode region 4213 also includes a plurality of first electrodes 42131, a plurality of second electrodes 42132, and a plurality of conducting segments 42133, the plurality of first electrodes 42131 and the plurality of second electrodes 42132 are arranged in an array and staggered with each other.

[0396] The conducting segment 42133 is connected between any two adjacent first electrodes 42131 in the first direction 001 for conducting the plurality of first electrodes 42131 in the first direction 001.

[0397] The connecting segment 4231 is connected between any two adjacent second electrodes 42132 in the second direction 002 for conducting the plurality of second electrodes 42132 in the second direction 002.

[0398] In a possible implementation, the first electrode 42131 is a touch driving electrode Tx, and the second electrode 42132 is a touch sensing electrode Rx.

[0399] In a possible implementation, the first electrode 42131 is a touch sensing electrode Rx, and the second electrode 42132 is a touch driving electrode Tx.

[0400] It can be understood that, the touch screen 40 of the present application can also divide the grid lines 4211 into a plurality of independent electrode regions 4213 by arranging the grid lines 4211 in the touch layer 42 and disconnecting the grid lines 4211 by the plurality of channels 4212, so as to realize the touch sensing detection function of the touch layer 42 by the cooperation between the plurality of electrode regions 4213, and thus the touch screen 40 can realize the touch control effect.

[0401] In a possible implementation, as shown in Figure 37 In the present implementation, the touch screen 40 further includes a flexible substrate 45 and an organic coating layer 46, and the touch layer 42 is laminated between the flexible substrate 45 and the organic coating layer 46, wherein the electrode sub-layer 421 of the touch layer 42 is arranged on the side of the insulating sub-layer 422 away from the flexible substrate 35.

[0402] In a possible implementation, the touch screen 40 further includes a buffer layer 47 (see Figure 35 ), which is connected between the flexible substrate 45 and the connecting sub-layer 423 of the touch layer 42, and is used to relieve the pressure on the touch layer 42.

[0403] Further, please refer to Figure 37 and Figure 37 , Figure 35 for Figure 35A cross-sectional structure schematic diagram at position U-U in the shown implementation. In the present implementation, the connecting sub-layer 423 of the touch screen 40 is provided with a plurality of support segments 4232, and a projection of each support segment 4232 on the first surface 4221 covers one break 42111 in the length direction of each support segment 4232.

[0404] In a possible implementation, the length of the support segment 4232 is greater than or equal to 4 um.

[0405] In the present implementation, by setting the length of the support segment 4232 to be greater than or equal to 4 um, the stress bearing capacity of the support segment 4232 can be ensured, so as to further improve the stress bearing capacity of the connecting sub-layer 423 at the break 42111.

[0406] In a possible implementation, please refer to Figure 35 As shown in Figure 37 , the width of the end head 42112 is greater than or equal to the width of the support segment 4232.

[0407] In a possible implementation, the width of the end head 42112 is greater than or equal to the width of the support segment 4232.

[0408] In the present implementation, by setting the width of the end head 42112 to be greater than or equal to the width of the support segment 4232, the stress bearing capacity of the connecting sub-layer 423 in the bending process can be improved, and at the same time, the support segment 4232 does not affect the light emission of the display layer 11 of the touch screen 10 in the display process, so as to improve the use effect and applicability of the touch layer 42.

[0409] In a possible implementation, please refer to Figure 38 In the present implementation, one end head 42112 of the grid line 4211 has a first length L1, and the length of the overlapping part of the projection of the support segment 4232 on the first surface 4221 and the corresponding one end head 42112 is a second length L2, which is less than or equal to 1 / 2L1.

[0410] In the present implementation, by setting the length of the overlapping part of the projection of the support segment 4232 on the first surface 4221 and the corresponding one end head 42112 to be the second length L2 less than or equal to 1 / 2L1, the overlapping length between the support segment 4232 and the end head 42112 in the direction opposite to the electrode sub-layer 421 and the insulating sub-layer 422 can be ensured, so as to further ensure the stress bearing capacity of the support segment 4232.

[0411] In a possible implementation, the width of the break 42111 is greater than or equal to 8 um.

[0412] In one possible implementation, the length of the end 42112 is 0.5–3 μm.

[0413] In one possible implementation, the width of the end 42112 is greater than the width of the grid line 4211.

[0414] In one possible implementation, the width of the end 42112 is greater than or equal to 3.5µm.

[0415] In one possible implementation, in the planar direction of the touch layer 42, the end 42112 is constructed such that the boundary of the break 42111 is arc-shaped.

[0416] In one possible implementation, in the planar direction of the touch layer 42, the end 42112 is constructed such that the boundary of the break 42111 is circular.

[0417] In one possible implementation, each fracture 42111 is parallel to the bending center axis 400b of the bending zone.

[0418] In one possible implementation, please refer to Figure 38 , Figure 38 This is a schematic diagram of a partial planar structure of the touch layer 42 in one possible implementation. Figure 39 In the implementation shown, the electrode region 4213 also has a first connection end 4213a at the via 4223, and the connection segment 4231 also has a second connection end 4231a at the via 4223. The projection of the second connection end 4231a on the first surface 4221 is accommodated within the first connection end 4213a.

[0419] In one possible implementation, in the planar direction of the touch layer 42, the distance between the edge of the projection of the second connection end 4231a onto the first surface 4221 and the edge of the first connection end 4213a is 1 to 3 μm.

[0420] In one possible implementation, please refer to Figure 39 , Figure 39 This is a schematic diagram of a partial planar structure of the touch screen 40 in one possible implementation. Figure 40 In the implementation shown, the touch screen 40 also includes a non-bending area 400c, which is located on at least one side of the bending area 400a, and the touch layer 42 is at least partially disposed within the non-bending area 400c.

[0421] In one possible implementation, the non-bending region 400c is located on opposite sides of the bending region 400a.

[0422] In one possible implementation, the non-bending area 400c is completely covered by the touch layer 42.

[0423] It can be understood that the touch layer 42 of the touch screen 40 in the application is provided with the support sections 4232, and the projection of each support section 4232 on the first surface 4221 covers a break 42111, so that the support section 4232 and the end 42112 can form an overlapping effect in the opposite direction of the electrode sub-layer 421 and the insulating sub-layer 422, thereby making the support section 4232 play a role of a reinforcing rib in the connecting sub-layer 423, that is, the stress bearing capacity of the connecting sub-layer 423 at the break 42111 can be enhanced, and the phenomenon of cracks or breakage of the connecting sub-layer 423 at the break 42111 can be avoided.

[0424] It should be noted that the specific structures and technical effects in the above various implementation manners are respectively the same as or similar to the specific structures and technical effects in the corresponding implementation manners in the touch screen 10, and will not be described here.

[0425] Please refer to Figure 41 and Figure 40 , Figure 41 for another partial planar structure schematic view of a touch layer 52 of a touch screen 50 provided by the application, Figure 40 for Figure 40 a cross-sectional structure schematic view of a side view of the touch layer 52 in the embodiment shown. The touch screen 50 includes a plurality of film layer structures which are the same as the touch screen 10, so that in the touch screen 50, the numbering corresponding to each film layer structure in the touch screen 10 is the same, and the difference is that the reference numerals start with “5” instead of “1”.

[0426] In the implementation manner shown in Figure 41 , the touch screen 50 also has a bending area 500a, and the touch layer 52 is arranged in the bending area 500a. The touch layer 52 also includes the electrode sub-layer 521, the insulating sub-layer 522 and the connecting sub-layer 523. The electrode sub-layer 521 is configured as a grid line 5211 arranged on the first surface 5221 of the insulating sub-layer 522.

[0427] The touch layer 52 also has a plurality of channels 5212 for disconnecting the grid line 5211. The plurality of channels 5212 divide the grid line 5211 into a plurality of electrode areas 5213. The grid line 5211 between any two adjacent electrode areas 5213 forms a break 52111 at the channel 5212.

[0428] As shown in Figure 40 , the connecting sub-layer 523 also has a plurality of connecting sections 5231, and the insulating sub-layer 522 has a plurality of vias 5223. At least part of the electrode areas 5213 are sequentially conducted through the vias 5223 and the connecting sections 5231.

[0429] Specifically, in a possible implementation, as shown in Figure 40 the electrode region 5213 also includes a plurality of first electrodes 52131, a plurality of second electrodes 52132, and a plurality of conducting segments 5232, the plurality of first electrodes 52131 and the plurality of second electrodes 52132 are arranged in an array and staggered with each other.

[0430] The conducting segment 5232 is connected between any two adjacent first electrodes 52131 in the first direction 001, for conducting the plurality of first electrodes 52131 in the first direction 001.

[0431] The connecting segment 5231 is connected between any two adjacent second electrodes 52132 in the second direction 002, for sequentially conducting the plurality of second electrodes 52132 in the second direction 002.

[0432] In a possible implementation, the first electrode 52131 is a touch driving electrode Tx, and the second electrode 52132 is a touch sensing electrode Rx.

[0433] In a possible implementation, the first electrode 52131 is a touch sensing electrode Rx, and the second electrode 52132 is a touch driving electrode Tx.

[0434] It can be understood that the touch screen 50 of the present application can also divide the grid lines 5211 into a plurality of independent electrode regions 5213 by arranging the grid lines 5211 in the touch layer 52 and disconnecting the grid lines 5211 by arranging a plurality of channels 5212, so as to realize the touch sensing detection function of the touch layer 52 by cooperation between the plurality of electrode regions 5213, and thus realize the touch control effect of the touch screen 50.

[0435] Further, in the implementation shown in Figure 41 the electrode region 5213 has a first connecting end 5213a at the via 5223, the connecting segment 5231 has a second connecting end 5231a at the via 5223, and a projection of the second connecting end 5231a on the first surface 5221 is accommodated in the first connecting end 5213a.

[0436] In a possible implementation, in the planar direction of the touch layer 52, the distance between the edge of the projection of the second connecting end 5231a on the first surface 5221 and the edge of the first connecting end 5213a is 1-3 um.

[0437] It can be understood that, in the present embodiment, by setting the distance between the edge of the projection of the second connecting end 5231a on the first surface 5221 and the edge of the first connecting end 5213a to be 1-3 um, the light output of the first connecting end 5213a during display of the touch screen 50 can be avoided while the stress bearing area of the first connecting end 5213a is ensured, so as to improve the use effect and applicability of the touch layer 52.

[0438] In a possible implementation, as shown in Figure 43 In the present embodiment, the touch screen 50 further comprises a flexible substrate 55 and an organic coating layer 56, and the touch layer 52 is laminated between the flexible substrate 55 and the organic coating layer 56, wherein the electrode sublayer 521 of the touch layer 52 is arranged on the side of the insulating sublayer 522 away from the flexible substrate 55.

[0439] In a possible implementation, the touch screen 50 further comprises a buffer layer 57 (see Figure 42 ), which is connected between the flexible substrate 55 and the connecting sublayer 523 of the touch layer 52 and is used to alleviate the pressure received by the touch layer 52.

[0440] In a possible implementation, the width of the break 52111 is greater than or equal to 8 um.

[0441] In a possible implementation, please refer to Figure 43 and Figure 42 , Figure 43 for a partial planar structure schematic diagram of the touch layer 52 in a possible implementation, Figure 42 for Figure 42 a partial structure schematic diagram of a side view in the implementation shown in Figure 42 In the implementation shown in

[0442] In the implementation shown in Figure 43 , the connecting sublayer 323 of the touch layer 52 is also provided with a plurality of support segments 5232, and in the length direction of each support segment 5232, the projection of each support segment 5232 on the first surface 5221 covers one break 52111.

[0443] In a possible implementation, the length of the support segment 5232 is greater than or equal to 4 um.

[0444] In one possible implementation, the width of end 52112 is greater than or equal to the width of support segment 5232.

[0445] In one possible implementation, please refer to Figure 44 In this implementation, one end 52112 of the grid line 5211 has a first length L1, and the projection of the support segment 5232 on the first surface 5221 has a length of the overlapping portion of the corresponding end 52112, which is a second length L2, and the second length L2 is less than or equal to 1 / 2L1.

[0446] In one possible implementation, the length of the end 52112 is 0.5–3 μm.

[0447] In one possible implementation, the width of the end 52112 is greater than the width of the grid line 5211.

[0448] In one possible implementation, the width of the end 52112 is greater than or equal to 3.5µm.

[0449] In one possible implementation, please refer to Figure 44 , Figure 40 for Figure 44 The diagram shows a partial planar structure of the touch layer 52 in one possible implementation. Figure 45 In the implementation shown, in the planar direction of the touch layer 52, the end 52112 is constructed such that the boundary shape of the break 52111 is an arc.

[0450] In one possible implementation, in the planar direction of the touch layer 52, the end 52112 is constructed such that the boundary of the break 52111 is arc-shaped.

[0451] In one possible implementation, please refer to Figure 45 , Figure 40 for Figure 45 The diagram shows a partial planar structure of the touch layer 52 in one possible implementation. Figure 46 As shown, each fracture 52111 is parallel to the bending center axis 500b of the bending zone 500a.

[0452] In one possible implementation, please refer to Figure 46 , Figure 46 This is a schematic diagram of the planar structure of the touch screen 50 in one possible implementation. ​ In the implementation shown, the touch screen 50 also includes a non-bending area 500c, which is located on at least one side of the bending area 500a, and the touch layer 52 is at least partially disposed within the non-bending area 500c.

[0453] In a possible implementation, the non-bending area 500c is located on opposite sides of the bending area 500a.

[0454] In a possible implementation, the non-bending area 500c is completely covered with the touch layer 52.

[0455] It can be understood that the touch screen 50 of the present application is accommodated in the first connecting end 5213a by setting the projection of the second connecting end 5231a on the first surface 5221, so as to improve the stress bearing area of the grid line 5211, thereby avoiding the concentration of stress at the first connecting end 5213a, and further avoiding the cracks or fractures of each film layer in the touch layer 52 at the fracture, so as to improve the use reliability and service life of the touch screen 50.

[0456] It should be noted that the specific structures and technical effects in the above various implementations are the same as or similar to those in the corresponding implementation of the touch screen 10, and will not be described here.

[0457] It can be understood that the electronic device 100 provided by the present application realizes the touch control function through the touch screen 10. The touch screen 10 of the electronic device 100 cooperates with the touch screen in any of the above implementations to reduce the stress concentration problem of each film layer structure when the touch screen is bent, and avoids the phenomenon that each film layer may be broken or cracked when the touch screen is bent, thereby ensuring the use reliability and use experience of the electronic device 100.

[0458] That is, since the electronic device 100 provided by the present application uses any one of the touch screens in any of the implementations, the electronic device 100 provided by the present application has all the possible beneficial effects of the touch screen provided in any of the above implementations.

[0459] Of course, each of the above embodiments can be applied alone or in combination. The above is the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which are also considered to be within the scope of protection of the present application.

Claims

1. A touch screen having a bending area, characterized by, The touch control layer comprises a layer of electrode sub-layers, a layer of insulating sub-layers and a layer of connecting sub-layers, the electrode sub-layers are configured as grid lines arranged on a first surface of the insulating sub-layers, the electrode sub-layers are further provided with a plurality of channels for disconnecting the grid lines, the plurality of channels divide the grid lines into a plurality of electrode areas, the grid lines between any two adjacent electrode areas form breaks at the channels, the connecting sub-layers are located on a second surface of the insulating sub-layers opposite to the first surface, the connecting sub-layers are provided with a plurality of support segments, and the projection of each support segment on the first surface covers one break in the length direction of each support segment.

2. The touch screen of claim 1, wherein, The length of the support segment is greater than or equal to 4 um.

3. The touch screen of claim 1, wherein, The grid lines have end heads at the breaks, and the end heads are configured as boundaries of the breaks. One of the end heads has a first length L1, the length of the projection of the support segment on the first surface coinciding with the end head is a second length L2, and the second length L2 is less than or equal to 1 / 2 L1.

4. The touch screen of claim 3, wherein, The width of the end head is greater than or equal to the width of the support segment.

5. The touch screen according to any one of claims 1 to 4, characterized in that, The connecting sub-layers are further provided with a plurality of connecting segments, the insulating sub-layers are provided with a plurality of vias, and at least part of the electrode areas are sequentially conducted through the vias and the connecting segments.

6. A touch screen having a bend region, characterized in that The touch control layer comprises a layer of electrode sub-layers, a layer of insulating sub-layers and a layer of connecting sub-layers, the electrode sub-layers are configured as grid lines arranged on a first surface of the insulating sub-layers, the electrode sub-layers are further provided with a plurality of channels for disconnecting the grid lines, the plurality of channels divide the grid lines into a plurality of electrode areas, the connecting sub-layers are located on a second surface of the insulating sub-layers opposite to the first surface, the connecting sub-layers are provided with a plurality of connecting segments, the insulating sub-layers are provided with a plurality of vias, at least part of the electrode areas are sequentially conducted through the vias and the connecting segments, the electrode areas have first connecting ends at the vias, the connecting segments have second connecting ends at the vias, the projection of the second connecting ends on the first surface is accommodated in the first connecting ends, and the distance between the edge of the projection of the second connecting ends on the first surface and the edge of the first connecting ends is 1-3 um.

7. The touch screen of claim 6, wherein, The grid lines between any two adjacent electrode areas form breaks at the channels, and the width of the breaks is greater than or equal to 8 um.

8. The touch screen of claim 7, wherein, The grid lines comprise a plurality of first sub-grid lines parallel to each other and a plurality of second sub-grid lines parallel to each other, any first sub-grid line intersects with a plurality of second sub-grid lines to form a plurality of intersections; The grid lines have end heads at the breaks, one end of the end head is connected to the intersection, and the other end is configured as the boundary of the break, and the length of the end head is 0.5-3 um.

9. The touch screen of claim 6, wherein, The electrode region comprises a plurality of first electrodes, a plurality of second electrodes, and a plurality of conducting segments, the plurality of first electrodes and the plurality of second electrodes are arranged in an array and staggered with each other, and the conducting segments are connected between any two adjacent first electrodes in a first direction for conducting the plurality of first electrodes in the first direction; The connecting segments are connected between any two adjacent second electrodes in a second direction for sequentially conducting the plurality of second electrodes in the second direction, wherein the first direction and the second direction are at an included angle with each other.

10. The touch screen of claim 9, wherein, The first electrodes are touch driving electrodes, and the second electrodes are touch sensing electrodes. Or, the first electrodes are touch sensing electrodes, and the second electrodes are touch driving electrodes.

11. The touch screen of claim 6, wherein, The touch screen further comprises a flexible substrate and an organic coating layer, and the touch layer is laminated between the flexible substrate and the organic coating layer, wherein the electrode sublayer of the touch layer is arranged on the side of the insulating sublayer away from the flexible substrate.

12. The touch screen of claim 11, wherein, The touch screen further comprises a buffer layer connected between the flexible substrate and the connecting sublayer of the touch layer, and used for relieving the pressure received by the touch layer.

13. The touch screen of claim 6, wherein, The touch screen further comprises a non-bending region located at least on one side of the bending region, and the touch layer is at least partially arranged in the non-bending region.

14. The touch screen of claim 7, wherein, Each of the break lines is parallel to the bending center axis of the bending region.

15. The touch screen of claim 8, wherein, The width of the end head is greater than the width of the grid line.

16. The touch screen of claim 15, wherein, The width of the end head is greater than or equal to 3.5um.

17. An electronic device, comprising: The touch screen as claimed in any one of claims 1-16 is fixed on the housing.

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