Display touch module and electronic device

Abstract

The present application discloses a display touch control module and an electronic device. The display touch control module includes: a display panel, a first organic layer disposed on the display panel, and a second organic layer disposed on the first organic layer. The display touch control module further includes a first metal layer and a second metal layer. The first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer; compared with using an inorganic layer, it has better deformation ability; the first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are used to output a first signal when a touch operation is detected; there is no need for an opening and bridging, reducing the risk of signal interruption caused by opening residues. The projection of the first electrode on the second metal layer and the second electrode are alternately arranged along a first direction and a second direction respectively. The first direction is perpendicular to the second direction, and is arranged in a checkerboard pattern, reducing the driving load of the touch control module.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of displays, and in particular, to a display touch control module and an electronic device. Background Art

[0002] Currently, flexible display panels are widely used in foldable electronic devices. However, foldable electronic devices usually have problems with folding reliability. During the folding process of foldable electronic devices, different degrees of stress and deformation will occur in each film layer due to the force, and the stress and deformation generated will increase as the folding radius decreases. If the stress or deformation of a certain film layer exceeds its failure threshold during the folding process, then cracks (cracks) or even peeling will occur in that film layer, ultimately leading to the failure of the folding function and serious display defects such as black spots and black screens.

[0003] In addition, flexible display panels can also be used in straight-bar mobile phones, such as double-sided curved display panels, four-curved display panels, etc. These new forms usually require a 3D cover plate. If the anti-deformation ability of the display panel body is not good, cracks are likely to occur at the curved edges, rounded corners, etc. when it is attached to the cover plate, ultimately leading to the failure of the display panel encapsulation and the generation of black spots or black screens.

[0004] The organic encapsulation on touch integration (Touch on Encapsulation, TOE) technology can improve the bending and deformation ability of the display panel body. However, the fluidity of the new organic materials is relatively large, and the yield of the organic encapsulation on touch integration is significantly lower than that of the inorganic encapsulation on touch integration. Summary of the Invention

[0005] The embodiments of the present application provide a display touch control module and an electronic device, which can improve the bending and deformation ability while taking into account the yield of the organic touch integration.

[0006] In the first aspect of the embodiments of the present application, a display touch module is provided, including: a display panel, and an organic layer disposed on the display panel. The organic layer includes a first organic layer and a second organic layer. The display touch module further includes a first metal layer and a second metal layer. The first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer; the first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are configured to output a first signal when a touch operation is detected; the projection of the first electrode on the second metal layer and the second electrode are alternately arranged along a first direction and a second direction respectively, and the first direction is perpendicular to the second direction. Thus, the organic layer, the first metal layer, and the second metal layer form a touch integration layer. The organic layer is used to encapsulate the first metal layer and the second metal layer, and has better deformation ability compared with an inorganic encapsulation layer, reducing the risk of breakage of the display touch module during a large strain or deformation process. At the same time, by arranging the first electrode and the second electrode in different layers, compared with arranging the first electrode and the second electrode in the same layer, there is no need to adopt a design of a large number of bridging micropores in the organic layer, avoiding the risk of opening residue caused by insufficient resolution of the organic material, thereby reducing the risk of signal interruption caused by opening residue and improving the product yield. In addition, the projection of the first electrode on the second metal layer and the second electrode are mutually interlocked and arranged in a checkerboard pattern, reducing the driving load of the touch control module.

[0007] In an optional implementation manner, the size of each of the first electrodes along the first direction and along the second direction remains unchanged, and the size of each of the second electrodes along the first direction and along the second direction remains unchanged. Thus, the size of a single electrode in the first direction and the second direction remains unchanged, making the signal intensity uniform everywhere when a stylus pen swipes across the screen, having better active pen performance and a better linearity effect.

[0008] In an optional implementation manner, both the first electrode and the second electrode adopt a square pattern. Thus, the size of a single electrode in the first direction and the second direction can be made uniformly unchanged, making the signal intensity uniform everywhere when a stylus pen swipes across the screen, having better active pen performance and a better linearity effect.

[0009] In an optional implementation manner, the display panel includes: a plurality of pixel regions arranged in an array. The first electrode includes a plurality of first sub-metal wires, and the plurality of first sub-metal wires form a plurality of metal grids; the second electrode includes a plurality of second sub-metal wires, and the plurality of second sub-metal wires form a plurality of metal grids. The plurality of metal grids correspond to the plurality of pixel regions. Thus, both the first electrode and the second electrode adopt a metal grid structure, enabling the metal grids to be disposed opposite to and surround the pixel regions, thereby effectively preventing the metal wires from affecting the display brightness of the pixel regions when overlapping with the pixel regions.

[0010] In an alternative implementation, the plurality of first electrodes extend in a third direction, and the plurality of second electrodes extend in a fourth direction, where the third direction intersects the fourth direction, and the overlapping width at the intersection position of the first electrode and the second electrode is greater than or equal to the line width of the metal grid; the overlapping width at the non-intersecting position of the first electrode and the second electrode is less than the line width of the metal grid. Thus, the overlapping width of the first electrode and the second electrode is only at the line width level, reducing the overlapping width of the first electrode and the second electrode, and further effectively reducing the inductive capacitance between the first sub-metal wire and the second sub-metal wire in the vertical stacking direction, thereby further reducing the driving load of the touch control module.

[0011] In an alternative implementation, the line width of the metal grid is: 3 μm - 6 μm. Thus, the line width of the metal grid is at the micron level, reducing the overlapping width of the first electrode and the second electrode, and further effectively reducing the inductive capacitance between the first sub-metal wire and the second sub-metal wire in the vertical stacking direction, thereby further reducing the driving load of the touch control module.

[0012] In an alternative implementation, the first metal layer further includes a plurality of first floating ground metal grids, the floating ground metal grids are arranged at intervals between adjacent first electrodes, and the first floating ground metal grids are insulated from the first electrodes. Thus, the first floating ground metal grid reduces the large-area over-etching of the organic layer at the gap position of the first electrode, reduces the flow of the organic layer above the first metal layer into the first electrode gap, then the loss of the organic layer between the first metal layer and the second metal layer is reduced, and the risk of short circuit between the first metal layer and the second metal layer is lowered.

[0013] In an alternative implementation, the second metal layer further includes a plurality of second floating ground metal grids, the second floating ground metal grids are arranged at intervals between adjacent second electrodes, and the floating ground metal grids are insulated from the second electrodes. Thus, the second floating ground metal grid improves the flatness above the second metal layer.

[0014] In an alternative implementation, the projection of the plurality of first floating ground metal grids on the second metal layer completely coincides with the second metal grid; thus, floating ground metal grids are provided in all the gaps of the first metal layer, which can further prevent the second organic layer from flowing into the gap positions.

[0015] In an alternative implementation, the projection of the plurality of first floating ground metal grids on the second metal layer partially coincides with the second metal grid; thus, floating ground metal grids are provided in some of the gaps of the first metal layer, which can reduce the load of the first metal layer and improve the touch performance.

[0016] In an alternative implementation, the projections of the multiple second floating ground metal meshes on the first metal layer completely coincide with the first metal mesh. Thus, floating ground metal meshes are provided in all the gaps of the second metal layer, which can further improve the flatness above the second metal layer.

[0017] In an alternative implementation, the projections of the multiple second floating ground metal meshes on the first metal layer partially coincide with the first metal mesh. Thus, floating ground metal meshes are provided in some of the gaps of the second metal layer, which can reduce the load on the first metal layer and improve the touch performance.

[0018] In an alternative implementation, the display touch module further includes: a bending portion and a lower bonding area. One end of the display panel is connected through the bending portion and the lower bonding area. The lower bonding area is bent to the back side of the light-emitting surface of the display panel through the bending portion. The lower bonding area includes: a first metal trace, and the first metal trace is electrically connected to the first metal layer and the second metal layer. The connection points of the metal trace with the first metal layer and the second metal layer are located outside the lower bonding area. Thus, the first metal trace in the lower bonding area is used instead of the traces of the first metal layer and the second metal layer. The touch integrated metal trace and the first organic layer or the second organic layer can be removed in the lower bonding area, avoiding the etching residues of the first metal layer or the second metal layer on the first organic layer or the second organic layer, and reducing the risk of short circuit between touch signals.

[0019] In an alternative implementation, the display panel includes: a display area, a non-display area, and an organic clearance area and a dam located in the non-display area. The organic clearance area and the dam are arranged at intervals and both surround the display area. In the area of the non-display area adjacent to the bending portion, the first metal layer and the second metal layer adopt single-layer traces on the organic clearance area and the dam. Thus, by providing single-layer metal traces above the organic clearance area and the dam, the etching metal residues of the first metal layer and the second metal layer above the dam and the organic clearance area in the area of the non-display area adjacent to the bending portion can be reduced, and the short circuit risk can be lowered.

[0020] In an alternative implementation, the organic clearance area includes: a first organic clearance area, a second organic clearance area, and a third organic clearance area arranged in sequence along the direction away from the bending portion. The dam includes: a first dam and a second dam. The first dam is located between the first organic clearance area and the second organic clearance area, and the second dam is located between the second organic clearance area and the third organic clearance area. The height of the first dam is higher than the height of the second dam. Thus, by providing a double-layer dam, the organic layer can be better restricted within the display panel area.

[0021] In an alternative implementation, the organic layer includes a first organic layer, a second organic layer, and a third organic layer that are stacked in a direction away from the display panel. The first metal layer is disposed on a surface of the first organic layer adjacent to the second organic layer, and the second organic layer covers the first metal layer. The second metal layer is disposed on a surface of the second organic layer adjacent to the third organic layer, and the third organic layer covers the second metal layer. Thus, by providing three organic layers, the first metal layer and the second metal layer can be encapsulated within the organic layer, resulting in a better encapsulation effect.

[0022] In an alternative implementation, the display and touch module further includes an encapsulation layer disposed between the display panel and the organic layer. Thus, the display and touch module adopts an organic top-encapsulation touch integration structure.

[0023] In a second aspect of the embodiments of the present application, there is provided a display and touch module, including a display panel, a bending portion, a lower bonding region, a first organic layer, a second organic layer, a first metal layer, and a second metal layer. One end of the display panel is connected to the lower bonding region through the bending portion, and the lower bonding region is bent to the back side of the light-emitting surface of the display panel through the bending portion. The first organic layer is disposed on the display panel, the second organic layer is disposed on the first organic layer, the first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer. The first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are configured to output a first signal when a touch operation is detected. The lower bonding region includes a first metal trace that is electrically connected to the first metal layer and the second metal layer, and the connection points of the metal trace with the first metal layer and the second metal layer are located outside the lower bonding region.

[0024] In a third aspect of the embodiments of the present application, there is provided a display and touch module, including a display panel, a bending portion, a lower bonding region, a first organic layer, a second organic layer, a first metal layer, and a second metal layer. One end of the display panel is connected to the lower bonding region through the bending portion, and the lower bonding region is bent to the back side of the light-emitting surface of the display panel through the bending portion. The first organic layer is disposed on the display panel, the second organic layer is disposed on the first organic layer, the first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer. The first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are configured to output a first signal when a touch operation is detected. The display panel includes a display area, a non-display area, an organic clearance area, and a dam located in the non-display area. The organic clearance area and the dam are spaced apart and both surround the display area. In a region of the non-display area adjacent to the bending portion, the first metal layer and the second metal layer adopt single-layer routing on the organic clearance area and the dam.

[0025] In an alternative implementation, the organic clearance area includes a first organic clearance area, a second organic clearance area, and a third organic clearance area sequentially arranged in a direction away from the bent portion. The dam includes a first dam and a second dam. The first dam is located between the first organic clearance area and the second organic clearance area, and the second dam is located between the second organic clearance area and the third organic clearance area.

[0026] In a fourth aspect of the embodiments of the present application, there is provided a display touch module, including a display panel, a first organic layer disposed on the display panel, and a second organic layer disposed on the first organic layer. The display touch module further includes a first metal layer and a second metal layer. The first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer. The first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are configured to output a first signal when a touch operation is detected. The first metal layer further includes a plurality of first floating ground metal meshes, which are spaced between adjacent first electrodes and are insulated from the first electrodes. And / or, the second metal layer further includes a plurality of second floating ground metal meshes, which are spaced between adjacent second electrodes and are insulated from the second electrodes.

[0027] In an alternative implementation, the projection of the plurality of first floating ground metal meshes on the second metal layer coincides with the second metal mesh; and / or, the projection of the plurality of second floating ground metal meshes on the first metal layer coincides with the first metal mesh.

[0028] In a fifth aspect of the embodiments of the present application, there is provided an electronic device, which further includes a touch control module and the display touch module as described above. The touch control module is configured to identify the position of the touch operation received by the display touch module according to the received first signal.

[0029] Embodiments of the present application provide a display touch module and an electronic device. The display touch module includes: a display panel, a first organic layer disposed on the display panel, and a second organic layer disposed on the first organic layer. The display touch module further includes a first metal layer and a second metal layer. The first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer. Compared with an inorganic encapsulation layer, it has better deformation ability and reduces the risk of fracture during large strain or deformation of the display touch module. The first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are configured to output a first signal when a touch operation is detected; by disposing the first electrode and the second electrode in different layers, compared with disposing the first electrode and the second electrode in the same layer, there is no need to adopt a large number of bridging micro-holes design in the organic layer, avoiding the residue of the opening due to insufficient resolution of the organic material, thereby reducing the risk of signal interruption caused by the residue of the opening and improving the product yield. The projection of the first electrode on the second metal layer and the second electrode are alternately arranged along a first direction and a second direction respectively, and the first direction is perpendicular to the second direction, so that the projection of the first electrode on the second metal layer and the second electrode are mutually interlocked and arranged in a checkerboard pattern, reducing the driving load of the touch control module.

[0030] In some embodiments, the present application further provides a display touch module. Compared with the above display touch module, it further includes: a bending portion and a lower bonding region; one end of the display panel is connected through the bending portion and the lower bonding region, and the lower bonding region is bent to the back side of the light-emitting surface of the display panel through the bending portion; the first metal layer and the second metal layer are stacked in a direction away from the display panel, and both the first metal layer and the second metal layer are located within the organic layer; the lower bonding region includes: a first metal trace, and the first metal trace is electrically connected to the first metal layer and the second metal layer, and the connection points of the metal trace with the first metal layer and the second metal layer are located outside the lower bonding region. That is, the first metal trace in the lower bonding region can be used to replace the traces of the first metal layer and the second metal layer, without the need to provide the above-mentioned touch integration layer in the lower bonding region, reducing the etching residue of the first metal layer or the second metal layer on the organic layer and reducing the risk of short circuit between touch signals.

[0031] In some embodiments, the present application further provides a display and touch module. The display panel of the display and touch module includes: a display area, a non-display area, an organic clearance area and a dam located in the non-display area. The organic clearance area and the dam are arranged at intervals, and both the organic clearance area and the dam surround the display area. In the area of the non-display area adjacent to the bending part, the first metal layer and the second metal layer adopt single-layer routing on the organic clearance area and the dam. Thus, by arranging single-layer metal routing above the organic clearance area and the dam, the etched metal residue of the dam and the first and second metal layers above the organic clearance area in the area of the non-display area adjacent to the bending part can be reduced, and the short-circuit risk can be lowered.

[0032] In some embodiments, the present application further provides a display and touch module. The first metal layer in the display and touch module further includes a plurality of first floating ground metal grids. The first floating ground metal grids are arranged at intervals between adjacent first electrodes, and the first floating ground metal grids are insulated from the first electrodes. Thus, the first floating ground metal grids reduce the over-etching of the organic layer in the large area at the position of the first electrode gap, and reduce the flow of the organic layer above the first metal layer towards the first electrode gap. Then, the loss of the organic layer between the first metal layer and the second metal layer is reduced, and the risk of short circuit between the first metal layer and the second metal layer is lowered.

[0033] Among them, the display and touch modules in the above several aspects all fall within the protection scope of the present application, and their order is not limited. Description of the Drawings

[0034] Figure 1 It is a schematic structural diagram of an electronic device;

[0035] Figure 2 It is a schematic structural diagram of a curved screen mobile phone;

[0036] Figure 3 It is a schematic structural diagram of a flexible screen mobile phone;

[0037] Figure 4 It is a schematic structural diagram of a display module provided by an embodiment of the present application;

[0038] Figure 5 For a Figure 4 NN cross-sectional view of the display module in;

[0039] Figure 6 For another Figure 4 NN cross-sectional view of the display module in;

[0040] Figure 7 It is a Figure 4 NN cross-sectional view of the display module in provided by an embodiment of the present application;

[0041] Figure 8 Schematic diagram of the arrangement of the first electrode provided by the embodiment of the present application;

[0042] Figure 9 Schematic diagram of the arrangement of the second electrode provided by the embodiment of the present application;

[0043] Figure 10 Schematic diagram of the arrangement of the first electrode and the second electrode provided by the embodiment of the present application;

[0044] Figure 11 Schematic diagram of the overlapping position of the first electrode and the second electrode provided by the embodiment of the present application;

[0045] Figure 12 Schematic diagram of the structure of a first metal layer;

[0046] Figure 13 For Figure 12 MM cross-sectional view of the first metal layer in

[0047] Figure 14 Adopting Figure 12 Schematic diagram of the distance between the first metal layer and the second metal layer with the structure shown;

[0048] Figure 15 Schematic diagram of an arrangement of the first metal layer provided by the embodiment of the present application;

[0049] Figure 16 For Figure 15 aa cross-sectional view of

[0050] Figure 17 Schematic diagram of another arrangement of the first metal layer provided by the embodiment of the present application;

[0051] Figure 18 For Figure 17 bb cross-sectional view of

[0052] Figure 19 Schematic diagram of an arrangement of the second metal layer provided by the embodiment of the present application;

[0053] Figure 20 For Figure 19 cc cross-sectional view of

[0054] Figure 21 Schematic diagram of another arrangement of the second metal layer provided by the embodiment of the present application;

[0055] Figure 22 For Figure 21 dd cross-sectional view of

[0056] Figure 23 Schematic diagram of the structure of a display touch module provided by the embodiment of the present application;

[0057] Figure 24 is a Figure 23 schematic diagram of the structure of region C in

[0058] Figure 25 is Figure 24 AB cross-sectional view in

[0059] Figure 26 is a Figure 23 schematic diagram of the structure of region C in

[0060] Figure 27 is Figure 26 CD cross-sectional view in

[0061] Figure 28 is another Figure 23 schematic diagram of the structure of region C in

[0062] Figure 29 is Figure 28 EF cross-sectional view in

[0063] Figure 30 Schematic diagram of the metal trace structure of the lower binding region provided by the embodiment of the present application. Detailed implementation manners

[0064] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings.

[0065] Hereinafter, terms such as "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise specified, the meaning of "a plurality" is two or more.

[0066] In addition, in the present application, orientation terms such as "upper" and "lower" are defined relative to the orientation of the components shown in the drawings. It should be understood that these directional terms are relative concepts, which are used for relative description and clarification, and they may change accordingly with the change of the orientation of the components placed in the drawings.

[0067] Embodiments of the present application provide an electronic device. The electronic device may be a tablet computer, a mobile phone, an e-reader, a remote control, a personal computer (PC), a laptop computer, a personal digital assistant (PDA), a vehicle-mounted device, an Internet TV, a wearable device, a TV set and other products with a display interface, as well as intelligent display wearable products such as smart watches and smart bracelets. Embodiments of the present application do not impose special restrictions on the form of the above-mentioned electronic devices. For the convenience of description, the following embodiments are all exemplified by taking the electronic device as a mobile phone.

[0068] As Figure 1 shown, the electronic device 1 includes a display module 10, a middle frame 11, and a battery cover (or called a rear case) 12. The middle frame 11 is located between the display module 10 and the battery cover 12.

[0069] The display module 10 is used for displaying images.

[0070] The display module 10, the middle frame 11, and the battery cover 12 may be respectively disposed on different layers in the thickness direction of the electronic device. These layers may be parallel to each other, and the plane where each layer is located may be called the X-Y plane, and the direction perpendicular to the X-Y plane may be called the Z direction. That is to say, the display module 10, the middle frame 11, and the battery cover 12 may be distributed in layers in the Z direction.

[0071] The display module 10 can pass through the middle frame 11 through a flexible printed circuit (FPC) as Figure 1 shown, and is electrically connected to a PCB disposed on the middle frame 11. Thereby, the PCB can transmit display data to the display module 10 to control the display module 10 to display images.

[0072] The middle frame 11 is located between the display module 10 and the battery cover 12. The surface of the middle frame 11 away from the display module 10 is used for installing internal components such as a battery, a printed circuit board (PCB), a camera, and an antenna. After the battery cover 12 is covered with the middle frame 11, the above internal components are located between the battery cover 12 and the middle frame 11.

[0073] The battery cover 12 is connected to the middle frame 11 to form a receiving cavity for receiving the above-mentioned electronic devices such as the PCB, the camera, and the battery. Thereby, it is possible to prevent external moisture and dust from invading the receiving cavity and affecting the performance of the above-mentioned electronic devices.

[0074] Embodiments of the present application do not limit the structure of the mobile phone. In some embodiments of the present application, as Figure 2As shown, the mobile phone can be a curved screen mobile phone. The display module of the curved screen mobile phone includes: a curved screen 10a, the curved screen 10a is disposed opposite to the battery cover 12, and the edge of the curved screen 10 is bent toward the direction close to the battery cover 12. The curved screen 10a includes a flat portion 101 and a curved portion 102 connected to the flat portion 101. It can be understood that the flat portion 101 is the part of the curved screen 10a parallel to the X-Y plane, and the curved portion 102 is the part where the curved screen 10a is bent.

[0075] In some embodiments, referring to Figure 3 , the curved screen 10a is a double-sided curved display panel. The curved screen 10a includes a flat portion 101 and two curved portions 102. The two curved portions 102 are disposed on both sides of the flat portion 101 along the X direction.

[0076] In other embodiments, the curved screen 10a is a four-curved display panel. The curved screen 10a includes a flat portion 101 and four curved portions 102. Two curved portions 102 are disposed on both sides of the flat portion 101 along the X direction, and the other two curved portions 102 are disposed on both sides of the flat portion 101 along the Y direction.

[0077] In other embodiments, as Figure 3 shown, the mobile phone can also be a folding screen mobile phone. The display module of the folding screen mobile phone includes: a flexible display panel 10b. The flexible display panel 10b includes a first non-bending area 105, a second non-bending area 104, and a bending area 105 located between the first non-bending area 105 and the second non-bending area 104.

[0078] Figure 4 It is a schematic structural diagram of a display module provided by an embodiment of the present application. As Figure 4 shown, the display module 10 includes a display area AA (active area) and a non-display area NA (non-active area). The display area AA is set corresponding to the screen display area of the display module 10 and is used to perform image display. The non-display area NA is used to set functional modules such as a display driving control module and a touch driving control module. The display module 10 can be applied to electronic devices, such as the above-mentioned mobile phones, tablet computers and other electronic devices capable of performing display and touch functions.

[0079] Figure 5 It is a Figure 4 NN cross-sectional view of the display module in Figure 6 It is another Figure 4 NN cross-sectional view of the display module in Figure 5 , Figure 6As shown in the figure, the display module 10 includes: a backplane (BP) 1001, a display panel 1002, a thin film encapsulation (TFE) layer 1003, a touch on encapsulation (TOE) layer 1004, and a color filter on encapsulation (COE) 1005, which are stacked in the Z direction.

[0080] In this embodiment, the display panel 1002 is an organic light-emitting diode (OLED). A pixel area arranged in a matrix is provided on the backplane 1001. A driving circuit and a driving electrode for driving the display panel 1002 to emit light are provided in each pixel area. The thin film encapsulation layer 1003 is used to encapsulate the display panel 1002. The driving circuit and the driving electrode cooperate to drive the material of the display panel 1002 to emit light, thereby performing image display.

[0081] In some embodiments, the display panel 1002 may be an active matrix organic light emitting diode (AMOLED) display panel.

[0082] As a self-luminous display panel, the AMOLED display panel does not need to be provided with a backlight module (BLM). When the substrate of the AMOLED display panel is made of a flexible resin material, such as polyethylene terephthalate (PET), the AMOLED display panel 1002 can have the characteristic of being bendable.

[0083] In this embodiment, the thin film encapsulation layer 1003 includes two opposite surfaces: a first surface and a second surface. The first surface is close to the display panel 1002, and the second surface is far from the display panel 1002. The touch on encapsulation layer 1004 is provided on the second surface. The touch on encapsulation layer 1004 includes: an encapsulation layer and a touch detection layer. The touch detection layer is used to identify the touch position applied to the display module 10, and the encapsulation layer is used to protect the touch detection layer and structures such as the thin film encapsulation layer 1003. Among them, the touch detection layer is arranged on the surface of the thin film encapsulation layer 1003 in a touch on encapsulation layer manner.

[0084] In some embodiments, the touch detection layer includes: a first metal layer 10043 and a second metal layer 10044. The encapsulation layer uses inorganic materials and organic materials. The inorganic materials include: silicon nitride (SINx), silicon oxide, or silicon oxynitride. The organic materials include: organic coating (OC).

[0085] In this embodiment, the encapsulation layer includes: a first inorganic material layer 10041a, a second inorganic material layer 10041b, and an organic layer 10042 that are stacked. The first metal layer 10043 is disposed on the surface of the first inorganic material layer 10041a close to the second inorganic material layer 10041b. The second inorganic material layer 10041b covers the first metal layer 10043. The second metal layer 10044 is disposed on the surface of the second inorganic material layer 10041b close to the organic layer 10042. The organic layer 10042 covers the second metal layer 10044.

[0086] In some embodiments, as Figure 5 shown, the first metal layer 10043 includes a plurality of first electrodes 100a, and the second metal layer 10044 includes a plurality of second electrodes 100b.

[0087] In other embodiments, as Figure 6 shown, the second metal layer 10044 includes: a plurality of first electrodes 100a, a plurality of second electrodes 100b, and connection channels (not shown in the figure). The plurality of first electrodes 100a are connected through the connection channels. The first metal layer 10043 includes: a plurality of metal bridges 100f. The plurality of second electrodes 100b are connected through the plurality of metal bridges 100f.

[0088] In some embodiments, the first electrode 100a is a touch driving electrode TX, and the second electrode 100b is a touch sensing electrode RX. Alternatively, the first electrode 100a is a touch sensing electrode RX, and the second electrode 100b is a touch driving electrode TX.

[0089] In this embodiment, a plurality of touch driving electrodes TX are used to receive touch driving signals provided by a touch control module. The plurality of touch driving electrodes TX generate capacitive coupling with the plurality of touch sensing electrodes RX through the touch driving signals. The plurality of touch sensing electrodes RX can then output corresponding electrical signals as touch sensing signals. When the capacitance between the touch driving electrode TX and the touch sensing electrode RX changes due to a user's touch operation, the touch sensing signals output by the touch sensing electrodes RX also change correspondingly. By analyzing the specific location where the sensing signals change, the specific location of the touch operation can be identified.

[0090] However, in the above embodiments, the inorganic material has poor anti-bending performance. When it is used in the curved screen 10a or the flexible display panel 100210b, it is likely to cause the failure of the display panel packaging and generate black spots or black screens.

[0091] Therefore, an improved display module is provided in an embodiment of the present application. In the upper touch integrated layer of the display module, an organic material is used to replace the inorganic material in the packaging upper touch integrated layer 1004 in the above embodiments, making full use of the deformation ability of the organic material to reduce the risk of fracture during large strain or deformation of the display module.

[0092] Figure 7 A cross-sectional view of a display module provided in an embodiment of the present application is shown as Figure 7 shown. The display module includes: a backplane 1001, a display panel 1002, a packaging layer, and a packaging upper touch integrated layer 1004 stacked in the z direction. The display panel 1002 emits light to display an image under the cooperation of the backplane 1001 and the packaging layer.

[0093] The organic packaging upper touch integrated layer 1004 includes: organic layers (10042a, 10042b, 10042c), a first metal layer 10043, and a second metal layer 10044. The first metal layer 10043 and the second metal layer 10044 are stacked in a direction away from the display panel, and both the first metal layer 10043 and the second metal layer 10044 are located in the organic layers.

[0094] In some embodiments, the organic layer uses a coated organic material (Organic Coating, OC). Exemplarily, the materials of the organic layer include: organic materials such as silicone resin and epoxy resin.

[0095] In some embodiments, the organic layer includes: a first organic layer 10042b and a second organic layer 10042c. The first organic layer 10042b is disposed on the display panel 1002, the second organic layer 10042c is disposed on the first organic layer 10042b, the first metal layer 10043 is disposed in the first organic layer 10042b, and the second metal layer 10044 is disposed in the second organic layer 10042c.

[0096] In some embodiments, the organic layer further includes: a third organic layer 10042a, and the third organic layer 10042 is disposed between the display panel 1002 and the first organic layer 10042b.

[0097] Next, in conjunction with Figure 7 the structure of the packaging layer will be described. As Figure 7As shown in the figure, the encapsulation layer includes: a third organic layer 10042a, a first organic layer 10042b, and a second organic layer 10042c arranged in a stacked manner. A first metal layer 10043 is disposed on the surface of the third organic layer 10042a close to the first organic layer 10042b, and the first organic layer 10042b covers the first metal layer 10043. A second metal layer 10044 is disposed on the surface of the first organic layer 10042b close to the second organic layer 10042c, and the second organic layer 10042c covers the second metal layer 10044.

[0098] Therefore, in the display module provided by the embodiments of the present application, the encapsulation layer in the touch integration layer 1004 uses an organic material for encapsulation. Compared with the Figure 4 solution shown in the figure, it has better deformation ability and reduces the risk of fracture during large strain or deformation of the display module.

[0099] In some embodiments of the present application, the first metal layer 10043 includes a first electrode 100a, and the second metal layer 10044 includes a second electrode 100b. The first electrode and the second electrode are used to output a first signal when a touch operation is detected.

[0100] Therefore, by arranging the first electrode 100a and the second electrode 100b in different layers, compared with arranging the first electrode 100a and the second electrode 100b in the same layer, there is no need to adopt a large number of bridging micropore designs in the organic layer, avoiding the problem of hole residue caused by insufficient resolution of the organic material, thereby reducing the risk of signal interruption caused by hole residue and improving the product yield.

[0101] The embodiments of the present application do not limit the number of the first electrode 100a and the second electrode 100b. The first electrode 100a can be multiple, and the second electrode 100b can be multiple. The multiple first electrodes 100a and the multiple second electrodes 100b can be arranged in an array.

[0102] In some embodiments, the minimum unit (the shape of a single electrode) of the first electrode 100a and the second electrode 100b is diamond-shaped, and the signal intensity at the endpoints of the diamond is greater than the signal intensity on the sides of the diamond, resulting in a poor linear effect of the active stylus.

[0103] To further improve the touch performance of the display module, the arrangement of the first electrode 100a and the second electrode 100b can be adjusted to improve the linear effect of the active stylus.

[0104] In some embodiments of the present application, such as Figure 10As shown in (a), (b), (c), and (d) therein, the projection of the first electrode 100a on the second metal layer 10044 and the second electrode 100b are alternately arranged along the first direction and the second direction, respectively, and the first direction is perpendicular to the second direction.

[0105] In some embodiments, referring to Figure 10 , the first direction may be the X direction and the second direction may be the Y direction, or the first direction may be the Y direction and the second direction may be the X direction.

[0106] Thus, the projection of the first electrode 100a on the second metal layer 10044 and the second electrode 100b can be interlocked with each other and arranged in a checkerboard pattern, reducing the driving load of the touch control module.

[0107] In some embodiments of the present application, the dimensions of the first electrode 100a along the first direction and the second direction remain unchanged, and the dimensions of the second electrode 100b along the first direction and the second direction remain unchanged. By way of example, both the first electrode 100a and the second electrode 100b adopt a square pattern, so that the dimensions of the first electrode 100a along the X direction and the Y direction remain unchanged, and the dimensions of the second electrode 100b along the X direction and the Y direction remain unchanged.

[0108] Thus, the dimensions of a single electrode in the first direction and the second direction remain unchanged, so that when the stylus pen slides across the screen, the signal strength at each place is uniform, having better active pen performance and better linearity effect.

[0109] Next, with reference to Figure 8 , Figure 9 and Figure 10 , the arrangement manners of the multiple first electrodes 100a in the first metal layer 10043 and the multiple second electrodes 100b in the second metal layer 10044 are described.

[0110] Figure 8 FIG. is a schematic diagram of the arrangement manner of the first electrode. In some embodiments, the first metal layer 10043 may include multiple 2×2 repeating units (units) as shown in (a) in Figure 8 , and the repeating unit includes: two first electrodes 100a, which are spaced apart along the X direction and the Y direction respectively, and the dimensions of the repeating unit along the X direction and the Y direction remain unchanged.

[0111] Alternatively, the first metal layer 10043 may include multiple 4×4 repeating units as shown in (b) in Figure 8 , and the repeating unit includes: eight first electrodes 100a, which are spaced apart along the X direction and the Y direction respectively, and the dimensions of the repeating unit along the X direction and the Y direction remain unchanged.

[0112] Alternatively, the first metal layer 10043 includes multiple such asFigure 8 The 6×6 repeating unit shown in (c) therein, which repeating unit includes: 18 first electrodes 100a, arranged at intervals along the X direction and the Y direction respectively, and the dimensions of the repeating unit along the X direction and along the Y direction remain unchanged.

[0113] Alternatively, the first metal layer 10043 includes a plurality of Figure 8 8×8 repeating units shown in (d) therein, which repeating unit includes: 32 first electrodes 100a, arranged at intervals along the X direction and the Y direction respectively, and the dimensions of the repeating unit along the X direction and along the Y direction remain unchanged.

[0114] Figure 9 Schematic diagram of the arrangement of the second electrodes. In some embodiments, the second metal layer 10044 may include a plurality of Figure 9 2×2 repeating units shown in (a) therein, which repeating unit includes: 2 second electrodes 100b, arranged at intervals along the X direction and the Y direction respectively, and the dimensions of the repeating unit along the X direction and along the Y direction remain unchanged.

[0115] Or includes a plurality of Figure 9 4×4 repeating units shown in (b) therein, which repeating unit includes: 8 second electrodes 100b, arranged at intervals along the X direction and the Y direction respectively, and the dimensions of the repeating unit along the X direction and along the Y direction remain unchanged.

[0116] Or includes a plurality of Figure 9 6×6 repeating units shown in (c) therein, which repeating unit includes: 18 second electrodes 100b, arranged at intervals along the X direction and the Y direction respectively, and the dimensions of the repeating unit along the X direction and along the Y direction remain unchanged.

[0117] Or includes a plurality of Figure 9 8×8 repeating units shown in (d) therein, which repeating unit includes: 32 second electrodes 100b. The dimensions of the repeating unit along the X direction and along the Y direction remain unchanged, arranged at intervals along the X direction and the Y direction respectively, and the dimensions of the repeating unit along the X direction and along the Y direction remain unchanged.

[0118] Figure 10 Schematic diagram of the arrangement of the first metal layer 10043 and the second metal layer 10044. In some embodiments, as shown in Figure 10 (a), (b), (c), (d) therein, a plurality of repeating units of the first metal layer 10043 and the second metal layer 10044 are mutually interlocked in the vertical direction, presenting a checkerboard distribution.

[0119] Among them, the size of the side length of the above single checkerboard is 3 mm - 5 mm.

[0120] Therefore, in the display touch module provided by the embodiments of the present application, the projection of the first electrode 100a on the second metal layer and the second electrode 100b are mutually interlocked, presenting a checkerboard arrangement, and the sizes of a single electrode in the first direction and the second direction remain unchanged, so that when the stylus pen slides across the screen, the signal strength at each place is uniform, having more excellent active pen performance and better linearity effect.

[0121] The embodiments of the present application do not limit the structures of the first electrode 100a and the second electrode 100b. In some embodiments of the present application, as Figure 8 , Figure 10 shown, the first electrode 100a includes a plurality of first sub-metal wires, and the plurality of first sub-metal wires form a plurality of metal grids. As Figure 9 , Figure 10 shown, the second electrode 100b includes a plurality of second sub-metal wires, and the plurality of second sub-metal wires form a plurality of metal grids.

[0122] In some embodiments, the shape of the metal grid can be square, rectangular, rhombic or other types of polygonal shapes. The metal grids of the first electrode 100a and the second electrode 100b can adopt the same shape. For the convenience of distinction, Figure 8 , Figure 9 and Figure 10 show the first electrode 100a and the second electrode 100b respectively with grids of different shapes for reference only, and the grid shape is not limited.

[0123] In some embodiments of the present application, the display panel includes a plurality of pixel regions arranged in a matrix, each of the metal grids faces a pixel unit, and the shape of the metal grid is the same as the shape of the pixel unit.

[0124] As Figure 11 shown, the plurality of first electrodes 100a extend along the third direction a, the plurality of second electrodes 100b extend along the fourth direction b, and the third direction a and the fourth direction b are perpendicular. In some embodiments, the overlapping width at the intersection position A1 of the first electrode 100a and the second electrode 100b is greater than or equal to the line width of the metal grid; the overlapping width at the non-intersection position A2 of the first electrode 100a and the second electrode 100b is less than the line width of the metal grid.

[0125] In some embodiments, the line width of the metal grid is: 3μm - 6μm. Thus, the line width of the metal grid is at the micron level, reducing the overlapping width of the first electrode and the second electrode, and further capable of effectively reducing the inductive capacitance of the first sub-metal wire and the second sub-metal wire in the vertical stacking direction, thereby further reducing the driving load of the touch control module.

[0126] In the above embodiments, the first metal layer 10043 is as Figure 12 shown, including a plurality of first electrodes 100a. The plurality of first electrodes 100a are arranged at intervals, and there are gaps between the plurality of first electrodes 100a. The gaps correspond to the second electrodes.

[0127] Figure 13 is Figure 12 the MM cross-sectional view of the first metal layer in Figure 13 shown. As Figure 13 shown, the first metal layer 10043 is located on the surface of the third organic layer 10042a. When preparing the first metal layer 10043, in order to etch the first metal layer 10043 cleanly at the gap position, a certain over-etch amount will be increased. At this time, due to the existence of over-etching, the third organic layer 10042a will be over-etched to a certain depth, and there will be a large area of over-etching of the third organic layer 10042a where there are no first electrodes 100a. The first organic layer 10042b covers the first metal layer 10043. Due to the existence of the large area of over-etching region of the third organic layer 10042a, the first organic layer 10042b above the first metal layer 10043 will flow a large amount in the direction indicated by the arrow in Figure 13 towards the region where the voids are located, so that the first organic layer 10042b between the first metal layer 10043 and the second metal layer 10044 is as Figure 14 shown, with a relatively thin thickness, and there is a risk of short circuit between the first metal layer 10043 and the second metal layer 10044.

[0128] In order to reduce the risk of short circuit between the first metal layer 10043 and the second metal layer 10044, in some embodiments, a first floating ground metal grid 100c can be provided in the region of the first metal layer 10043 other than the first electrodes 100a. Exemplarily, as Figure 15 、 Figure 17 shown, the first metal layer 10043 further includes a plurality of first floating ground metal grids 100c. The first floating ground metal grids 100c are arranged at intervals between adjacent first electrodes 100a, and the first floating ground metal grids 100c are insulated from the first electrodes 100a. The first floating ground metal grids 100c are in a suspended and vacant state.

[0129] In some embodiments, as Figure 15 shown, providing the first floating ground metal grid 100c in the region of the first metal layer 10043 other than the first electrodes 100a can be to provide the first floating ground metal grid 100c in all regions of the first metal layer 10043 other than the first electrodes 100a. The projections of the plurality of first floating ground metal grids 100c on the second metal layer 10044 coincide with the second metal grid.

[0130] In this embodiment, the first floating ground metal grid 100c can be in the shape of a rhombus, rectangle, square, etc. Among them, the grids of the first floating ground metal grid 100c and the first electrode 100a can adopt the same structure. For the convenience of distinction, Figure 15 in Figure 15 , the metal grids of the first floating ground metal grid 100c and the first electrode 100a are respectively shown in different shapes for reference only, and the grid shape is not limited.

[0131] In some embodiments, the first floating ground metal grid 100c in the first metal layer 10043 can be obtained by cutting and separating from the conductive pattern of the first electrode 100a.

[0132] Figure 16 For Figure 15 aa cross-sectional view of. As Figure 16 shown, the first floating ground metal grid 100c in the first metal layer 10043 reduces the large-area over-etching of the third organic layer 10042a and reduces the flow of the first organic layer 10042b. Then, the thickness h2 of the first organic layer 10042b between the first metal layer 10043 and the second metal layer 10044 is greater than Figure 14 the thickness h1, which can effectively improve the risk of short circuit (micro-short) between the touch metal layer, the first metal layer 10043 and the second metal layer 10044 caused by the insufficient thickness of the first organic layer 10042b.

[0133] In some other embodiments, the first floating ground metal grid 100c is provided in the area of the first metal layer 10043 other than the first electrode 100a, and can be provided in a partial area of the first metal layer 10043 other than the first electrode 100a. As Figure 17 shown, the projections of the multiple first floating ground metal grids 100c on the second metal layer 10044 partially coincide with the second metal grid.

[0134] In this embodiment, in the area of the first metal layer 10043 other than the first electrode 100a, the first floating ground metal grid 100c is added at some positions. The area of the first floating ground metal grid 100c can be adjusted according to actual needs and is not limited here, as long as the area of the first floating ground metal grid 100c is greater than 0 and less than the area of the first floating ground metal grid 100c as Figure 15 shown.

[0135] Figure 18 For Figure 17 bb cross-sectional view of. As Figure 18As shown, the presence of the first floating ground metal grid 100c in the first metal layer 10043 eliminates the large-area over-etching of the third organic layer 10042a. Since a large amount of the first organic layer 10042b is prevented from flowing, the thickness h3 of the first organic layer 10042b between the first metal layer 10043 and the second metal layer 10044 is greater than Figure 14 the thickness h1, which can effectively reduce the risk of short circuit (micro-short) between the first metal layer 10043 and the second metal layer 10044 of the touch control metal layer caused by the insufficient thickness of the first organic layer 10042b.

[0136] At the same time, compared with Figure 16 , Figure 18 the overlapping area between the first metal layer 10043 and the second metal layer 10044 in [reference] is reduced, resulting in lower loads on the first metal layer 10043 and the second metal layer 10044 and better touch control performance. In addition, the area of the first floating ground metal grid 100c is smaller, further reducing the risk of short circuit between the second electrode 100b and the first floating ground metal grid 100c.

[0137] In the above embodiment, by providing the first floating ground metal grid 100c in the area of the first metal layer 10043 other than the first electrode 100a, the risk of short circuit between the first metal layer 10043 and the second metal layer 10044 of the touch control metal layer caused by the loss of the first organic layer 10042b is reduced. In other embodiments, to further reduce the short circuit risk, the second metal layer 10044 can be further improved.

[0138] The second metal layer 10044 further includes a plurality of second floating ground metal grids 100d, and the second floating ground metal grids 100d can be provided in the area of the second metal layer 10044 other than the second electrode 100b. As Figure 19 , Figure 21 shown, the second floating ground metal grids 100d are arranged at intervals between adjacent second electrodes 100b, and the floating ground metal grids are insulated from the second electrodes 100b.

[0139] In some embodiments, as Figure 19 shown, providing the second floating ground metal grids 100d in the area of the second metal layer 10044 other than the second electrode 100b can be providing the second floating ground metal grids 100d in the entire area of the second metal layer 10044 other than the second electrode 100b. The projections of the plurality of second floating ground metal grids 100d on the first metal layer 10043 coincide with the first metal grid.

[0140] In this embodiment, the second floating ground metal grid 100d can be in the shape of a rhombus, rectangle, square, etc. Among them, the grids of the second floating ground metal grid 100d and the first electrode 100a can adopt the same structure. For the convenience of distinction, Figure 19 in Figure 19 , the metal grids of the second floating ground metal grid 100d and the second electrode 100b are respectively shown in different shapes for reference only, and the grid shape is not limited.

[0141] In some embodiments, the second floating ground metal grid 100d in the second metal layer 10044 can be obtained by cutting and separating from the conductive pattern of the second electrode 100b.

[0142] In some examples of this embodiment, a first floating ground metal grid 100c (not shown in the figure) can be provided in a partial area of the first metal layer 10043 other than the first electrode 100a. In some other examples of this embodiment, as Figure 20 shown, the first floating ground metal grid 100c can be provided in the entire area of the first metal layer 10043 other than the first electrode 100a, and these all belong to the protection scope of this application.

[0143] Figure 20 For Figure 19 is the cc cross-sectional view. As Figure 20 shown, the first floating ground metal grid 100c in the first metal layer 10043 reduces the large-area over-etching of the third organic layer 10042a and reduces the flow of the first organic layer 10042b. Then, the thickness h4 of the first organic layer 10042b between the first metal layer 10043 and the second metal layer 10044 is greater than Figure 14 the thickness h1, which can effectively improve the risk of short circuit (micro-short) between the first metal layer 10043 and the second metal layer 10044 caused by the insufficient thickness of the second metal layer 10044. In addition, the second floating ground metal grid 100d in the second metal layer 10044 further improves the flatness above the second metal layer 10044.

[0144] In the above embodiment, as Figure 19 shown, the projection of the plurality of second floating ground metal grids 100d on the first metal layer 10043 completely coincides with the first metal grid. In some other embodiments, the second floating ground metal grid 100d can be provided in the area of the second metal layer 10044 other than the second electrode 100b, and it can be that the second floating ground metal grid 100d is provided in a partial area of the second metal layer 10044 other than the second electrode 100b. As Figure 21 shown, the projection of the plurality of second floating ground metal grids 100d on the first metal layer 10043 partially coincides with the first metal grid.

[0145] SeeFigure 21 , except that the first floating ground metal grid 100c area is added at some positions of the first metal layer 10043, the second floating ground metal grid 100d is also added at some positions of the second metal layer 10044. Among them, the area of the first floating ground metal grid 100c and the area of the second floating ground metal grid 100d can be freely selected according to actual needs, as long as the area of the first floating ground metal grid 100c is greater than 0 and less than, for example, Figure 15 the area of the first floating ground metal grid 100c shown. The area of the second floating ground metal grid 100d is greater than 0 and less than, for example, Figure 19 the area of the first floating ground metal grid 100c shown.

[0146] In this embodiment, the second floating ground metal grid 100d is provided in some areas of the second metal layer 10044 except for the second electrode 100b. In some examples of this embodiment, as Figure 22 shown, the first floating ground metal grid 100c can be provided in some areas of the first metal layer 10043 except for the first electrode 100a. In some other examples of this embodiment, the first floating ground metal grid 100c can be provided in all areas of the first metal layer 10043 except for the first electrode 100a, which is not shown in the figure, and these all belong to the protection scope of the present application.

[0147] Figure 22 is the dd cross-sectional view in Figure 21 . As Figure 22 shown, the existence of the first floating ground metal grid 100c in the first metal layer 10043 eliminates the large-area over-etching of the third organic layer 10042a. Since a large amount of the first organic layer 10042b is avoided from flowing, the thickness h5 of the first organic layer 10042b between the first metal layer 10043 and the second metal layer 10044 is greater than Figure 14 the thickness h1 of the first organic layer 10042b in

[0148] Compared with Figure 20 , Figure 22 the overlapping area between the first metal layer 10043 and the second metal layer 10044 in

[0149] In the above embodiments, the structure of the touch integration layer of the display touch module is improved, thereby enhancing the touch performance. In some other embodiments, the display touch module further includes touch metal traces disposed in the machine layer, which are prone to etching residues.

[0150] Therefore, an embodiment of the present application further provides a display touch module to reduce the etching residues of the touch metal traces. As Figure 23 shown, the display touch module includes: a display module 10, a bending portion 20, and a lower bonding region 30. One end of the display module 10 is connected to the lower bonding region 30 through the bending portion 20, and the lower bonding region 30 is bent to the back side of the light-emitting surface of the display module 10 through the bending portion 20.

[0151] In some embodiments, the lower bonding region includes: a system-on-chip (SoC) 300, which can be bonded within the lower bonding region 30. Here, bonding, that is, bonding, refers to a wire bonding method in the production and packaging processes of microelectronic devices. For example, it can be the use of metal wires (such as gold wires), using thermal compression or ultrasonic energy to complete the connection of the internal interconnection lines of the solid-state circuit in the microelectronic device. The process can include thermocompression bonding, wire bonding, bonding, ball bonding, flat bonding, etc. Exemplarily, the system-on-chip 300 is bonded within the lower bonding region 30.

[0152] In some embodiments, the display module 10 includes: a display panel, an organic layer, a first metal layer 10043, and a second metal layer 10044. The first metal layer 10043 and the second metal layer 10044 are stacked in a direction away from the display panel, and both the first metal layer 10043 and the second metal layer 10044 are located within the organic layer.

[0153] In some embodiments, the display module 10 includes: a display area AA, a non-display area NA, and organic clearance areas (C3, C4, C5) and dams (C1, C2) located in the non-display area NA. The organic clearance areas (C3, C4, C5) and the dams (C1, C2) are arranged at intervals, and both the organic clearance areas (C3, C4, C5) and the dams (C1, C2) surround the display area AA. The first metal layer 10043 and the second metal layer 10044 need to cross over the dams (C1, C2) and the organic clearance areas (C3, C4, C5) in the region C adjacent to the bending portion 20 in the non-display area NA and are connected to the lower bonding region 30 above.

[0154] In some embodiments, the organic clearance areas (C3, C4, C5) include: a first organic clearance area C3, a second organic clearance area C4, and a third organic clearance area C5 arranged in sequence along the direction close to the bending portion 20. The dams (C1, C2) include: a first dam C1 and a second dam C2. The first dam C1 is located between the first organic clearance area C3 and the second organic clearance area C4, and the second dam C2 is located between the second organic clearance area C4 and the third organic clearance area C5.

[0155] In some embodiments, the height of the second dam C2 is higher than that of the first dam C1, which can better confine the organic layer within the display panel area.

[0156] In some embodiments, as Figure 24 , Figure 25 shown, above the dams (C1, C2) and the organic clearance areas (C3, C4, C5) in the area C adjacent to the bending portion 20 in the non-display area NA, the touch metal traces adopt a double-layer metal design of a first metal layer 10043 + a second metal layer 10044. There is a height difference near the first dam C1 and the second dam C2 due to the organic clearance areas (C3, C4, C5) of the backplane 1001. The third organic layer 10042a and the first organic layer 10042b accumulate at the positions of the organic clearance areas (C3, C4, C5) of the backplane 1001, resulting in etching residues of the first metal layer 10043 and the second metal layer 10044 at the accumulation positions of the third organic layer 10042a and the first organic layer 10042b. Moreover, the thicker the accumulated thickness of the third organic layer 10042a and the first organic layer 10042b, the more likely it is to cause etching residues of the first metal layer 10043 and the second metal layer 10044.

[0157] In some embodiments, the first metal layer 10043 and the second metal layer 10044 adopt a single-layer trace above the dams (C1, C2) and the organic clearance areas (C3, C4, C5) in the area C adjacent to the bending portion 20 in the non-display area NA.

[0158] In some examples of this embodiment, as Figure 26 , Figure 27 shown, the touch traces above the first dam C1, the second dam C2, the first organic clearance area C3, the second organic clearance area C4, and the third organic clearance area C5 adopt a single-layer first metal layer 10043 design. Adopting a single-layer first metal layer 10043 metal trace can effectively avoid the short-circuit risk between touch signal lines caused by etching residues of the second metal layer 10044.

[0159] In some other examples of this embodiment, as Figure 28 , Figure 29As shown, the touch wiring above the first dam C1, the second dam C2, the first organic clearance area C3, the second organic clearance area C4, and the third organic clearance area C5 adopts a single-layer second metal layer 10044 touch wiring design.

[0160] For the display touch module provided in this embodiment, the etching metal residues of the first metal layer 10043 and the second metal layer 10044 above the dams (C1, C2) and the organic clearance areas (C3, C4, C5) in the area C where the non-display area NA is adjacent to the bending part 20 can be reduced, and the short-circuit risk can be lowered.

[0161] In some embodiments, the first metal layer 10043 and the second metal layer 10044 extend into the lower bonding area 30. In the lower bonding area, all touch signals adopt the metal wiring of the touch integration layer. The wiring in the lower bonding area is dense, and metal etching residues are likely to occur on the surface of the third organic layer 10042a or the first organic layer 10042b, resulting in short circuits between touch signals.

[0162] Therefore, the embodiment of the present application further provides a display touch module to further reduce the etching residues of the touch metal wiring. The display touch module includes: a display module 10, a bending part 20, and a lower bonding area 30. One end of the display module 10 is connected to the lower bonding area 30 through the bending part 20, and the lower bonding area 30 is bent to the back side of the light-emitting surface of the display module 10 through the bending part 20.

[0163] In some embodiments, the display module 10 includes: a display panel, an organic layer, a first metal layer 10043, and a second metal layer 10044. The first metal layer 10043 and the second metal layer 10044 are stacked in a direction away from the display panel, and both the first metal layer 10043 and the second metal layer 10044 are located within the organic layer.

[0164] In some embodiments, as Figure 30 shown, the lower bonding area 30 includes: a first metal wiring 301. The first metal wiring 301 is electrically connected to the first metal layer 10043 and the second metal layer 10044, and the connection points of the first metal wiring 301 with the first metal layer 10043 and the second metal layer 10044 are located outside the lower bonding area 30. That is, within the lower bonding area, the first metal wiring 301 in the lower bonding area can be used to replace the wiring of the first metal layer 10043 and the second metal layer 10044.

[0165] Exemplarily, the first metal wiring 301 can be the backplane metal wiring, and the first metal wiring 301 can be used to replace all or part of the wiring of the first metal layer 10043 or the second metal layer 10044, improving the short circuit between touch signals caused by the etching residues of the touch metal wiring above the organic layer in the upper touch integration technology.

[0166] In some examples of this embodiment, all touch signal traces in the lower bonding area 30 are replaced by the first metal traces 301.

[0167] In other examples of this embodiment, some touch signal traces in the lower bonding area 30 are replaced by the first metal traces 301.

[0168] The display touch module provided by the embodiment of the present application uses the backplane metal traces 301 to replace the touch integrated metal traces in the lower bonding area 30. The touch integrated metal traces and the third organic layer 10042a or the first organic layer 10042b material in the lower bonding area 30 can be removed, avoiding the etching residue of the first metal layer 10043 or the second metal layer 10044 on the third organic layer 10042a or the first organic layer 10042b material, and reducing the risk of short circuit between touch signals.

[0169] The embodiment of the present application provides a display touch module and an electronic device. The display touch module includes: a display panel, a first organic layer disposed on the display panel, and a second organic layer disposed on the first organic layer. The display touch module further includes a first metal layer and a second metal layer. The first metal layer is disposed in the first organic layer, and the second metal layer is disposed in the second organic layer. Compared with the inorganic encapsulation layer, it has better deformation ability and reduces the risk of breakage of the display touch module during large strain or deformation. The first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are used to output a first signal when a touch operation is detected; setting the first electrode and the second electrode in different layers, compared with setting the first electrode and the second electrode in the same layer, there is no need to adopt a large number of bridging micro-holes design in the organic layer, avoiding the opening residue caused by insufficient resolution of the organic material, thereby reducing the risk of signal interruption caused by the opening residue and improving the product yield. The projection of the first electrode on the second metal layer and the second electrode are alternately arranged along a first direction and a second direction respectively. The first direction is perpendicular to the second direction, so that the projection of the first electrode on the second metal layer and the second electrode are mutually embedded, arranged in a checkerboard pattern, reducing the driving load of the touch control module.

[0170] In some embodiments, the present application further provides a display touch module. Compared with the above display touch module, it further includes: a bending portion and a lower bonding area; one end of the display panel is connected through the bending portion and the lower bonding area, and the lower bonding area is bent to the back side of the light-emitting surface of the display panel through the bending portion; the first metal layer and the second metal layer are stacked in a direction away from the display panel, and both the first metal layer and the second metal layer are located within the organic layer; the lower bonding area includes: a first metal trace, the first metal trace is electrically connected to the first metal layer and the second metal layer, and the connection points of the metal trace with the first metal layer and the second metal layer are located outside the lower bonding area. That is, the first metal trace in the lower bonding area can be used to replace the traces of the first metal layer and the second metal layer, without setting the above-mentioned touch integration layer in the lower bonding area, reducing the etching residue of the first metal layer or the second metal layer on the organic layer, and reducing the risk of short circuit between touch signals.

[0171] In some embodiments, the present application further provides a display touch module. The display panel of the display touch module includes: a display area, a non-display area, and an organic clearance area and a dam located in the non-display area. The organic clearance area and the dam are arranged at intervals, and both the organic clearance area and the dam surround the display area. In the area adjacent to the bending portion in the non-display area, the first metal layer and the second metal layer adopt single-layer traces on the organic clearance area and the dam. Thus, by setting single-layer metal traces above the organic clearance area and the dam, the etching metal residue of the first metal layer and the second metal layer above the dam and the organic clearance area in the area adjacent to the bending portion in the non-display area can be reduced, and the short-circuit risk can be reduced.

[0172] In some embodiments, the present application further provides a display touch module. The first metal layer in the display touch module further includes a plurality of first floating ground metal grids. The first floating ground metal grids are arranged at intervals between adjacent first electrodes, and the first floating ground metal grids are insulated from the first electrodes. Thus, the first floating ground metal grids reduce the large-area over-etching of the organic layer at the position of the first electrode gap, reduce the flow of the organic layer above the first metal layer to the first electrode gap, then the loss of the organic layer between the first metal layer and the second metal layer is reduced, and the risk of short circuit between the first metal layer and the second metal layer is reduced.

[0173] The display touch modules in the above several aspects all belong to the protection scope of the present application, and the order thereof is not limited.

[0174] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A display touch module, characterized in that, Comprising: A display panel, a first organic layer disposed on the display panel, and a second organic layer disposed on the first organic layer. The display touch module further includes a first metal layer and a second metal layer. The first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer; The first metal layer includes a plurality of first repeating units, and each first repeating unit includes at least two first electrodes. The second metal layer includes a plurality of second repeating units, and each second repeating unit includes at least two second electrodes. The first electrodes and the second electrodes are configured to output a first signal when a touch operation is detected; The projections of the first electrodes on the second metal layer and the second electrodes are alternately arranged along a first direction and a second direction respectively. The first direction is perpendicular to the second direction. The plurality of first repeating units of the first metal layer and the plurality of second repeating units of the second metal layer are mutually interlocked in the vertical direction.

2. The display touch module according to claim 1, wherein, The dimensions of the first electrodes along the first direction and along the second direction remain unchanged, and the dimensions of the second electrodes along the first direction and along the second direction remain unchanged.

3. The display touch module according to claim 2, wherein Both the first electrodes and the second electrodes are square patterns.

4. The display touch module according to any one of claims 1-3, characterized in that, The first electrodes extend along a third direction, and the second electrodes extend along a fourth direction, wherein the third direction and the fourth direction intersect.

5. The display touch module according to any one of claims 1-3, characterized in that, The first metal layer further includes a first floating ground metal grid. The first floating ground metal grid is disposed at intervals between adjacent first electrodes, and the first floating ground metal grid is insulated from the first electrodes.

6. The display touch module according to claim 5, wherein The second metal layer further includes a second floating ground metal grid. The second floating ground metal grid is disposed at intervals between adjacent second electrodes, and the floating ground metal grid is insulated from the second electrodes.

7. The display touch module according to claim 6, wherein The projected area of the first floating ground metal grid on the second metal layer is less than or equal to the area of the second electrodes.

8. The display touch module according to any one of claims 1-3 or 6-7, characterized in that, The display touch module further includes: a bending portion and a lower bonding region. One end of the display panel is connected through the bending portion and the lower bonding region. The lower bonding region is bent to the back side of the light-emitting surface of the display panel through the bending portion. The lower bonding region includes: a first metal trace, and the first metal trace is electrically connected to the first metal layer and the second metal layer. The connection points of the metal trace with the first metal layer and the second metal layer are located outside the lower bonding region.

9. The display touch module according to claim 8, wherein, The display panel includes: a display area, a non-display area, and an organic clearance area and a dam located in the non-display area. The organic clearance area and the dam are disposed at intervals, and both the organic clearance area and the dam surround the display area. In the area of the non-display area adjacent to the bending portion, the first metal layer and the second metal layer adopt single-layer wiring on the organic clearance area and the dam.

10. The display touch module according to claim 9, wherein The organic clearance area includes: a first organic clearance area, a second organic clearance area, and a third organic clearance area arranged in sequence along a direction away from the bending portion. The dam includes: a first dam and a second dam. The first dam is located between the first organic clearance area and the second organic clearance area, and the second dam is located between the second organic clearance area and the third organic clearance area. The height of the first dam is higher than the height of the second dam.

11. The display touch module according to any one of claims 1-3, 6-7 or 9-10, characterized in that, The display and touch module further includes: a third organic layer disposed between the display panel and the first organic layer.

12. The display touch module according to any one of claims 1-3, 6-7 or 9-10, characterized in that, The display and touch module further includes: a packaging layer located between the display panel and the first organic layer.

13. A display touch module, characterized in that, Comprising: A display panel, a bending portion, a lower bonding area, a first organic layer, a second organic layer, a first metal layer, and a second metal layer; One end of the display panel is connected to the lower bonding area through the bending portion, and the lower bonding area is bent to the back side of the light-emitting surface of the display panel through the bending portion; The first organic layer is disposed on the display panel, the second organic layer is disposed on the first organic layer, the first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer; The first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are configured to output a first signal when a touch operation is detected; The lower bonding area includes: a first metal trace electrically connected to the first metal layer and the second metal layer. The connection points of the metal trace with the first metal layer and the second metal layer are located outside the lower bonding area.

14. A display touch module, characterized in that, Comprising: A display panel, a bending portion, a lower bonding area, a first organic layer, a second organic layer, a first metal layer, and a second metal layer; One end of the display panel is connected to the lower bonding area through the bending portion, and the lower bonding area is bent to the back side of the light-emitting surface of the display panel through the bending portion; The first organic layer is disposed on the display panel, the second organic layer is disposed on the first organic layer, the first metal layer is disposed within the first organic layer, and the second metal layer is disposed within the second organic layer; The first metal layer includes a first electrode, and the second metal layer includes a second electrode. The first electrode and the second electrode are configured to output a first signal when a touch operation is detected; The display panel includes: a display area, a non-display area, and an organic clearance area and a dam located in the non-display area. The organic clearance area and the dam are arranged at intervals and both surround the display area. In a region where the non-display area is adjacent to the bending portion, the first metal layer and the second metal layer adopt single-layer routing on the organic clearance area and the dam, and the single-layer routing is disposed within the organic layer.

15. The display touch module according to claim 14, wherein, The organic clearance area includes: a first organic clearance area, a second organic clearance area, and a third organic clearance area arranged in sequence along a direction away from the bent portion. The dam includes: a first dam and a second dam. The first dam is located between the first organic clearance area and the second organic clearance area, and the second dam is located between the second organic clearance area and the third organic clearance area. The height of the first dam is higher than the height of the second dam.

16. An electronic device, characterized in that, The electronic device includes: a touch control module, and a display touch module as described in any one of claims 1-15. The touch control module is configured to identify the position of the touch operation received by the display touch module according to the received first signal.

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