Touch display panel and display device

Abstract

The invention discloses a touch display panel and a display device, and relates to the technical field of display. The touch display panel (10) includes a first filling portion (1015) located on a target side of the first blocking structure (1014). The first filling part (1015) can play a role in raising, so that the subsequently formed first organic insulating layer (104) completely covers the first blocking structure (1014), the residue of a touch electrode material in a touch substrate (102) formed on one side of the first organic insulating layer (104) away from the display substrate (101) is avoided, the short circuit of different touch electrodes is avoided, and the touch performance of the touch display panel (10) is ensured.

Description

Touch display panel and display device Technical Field

[0001] The present application relates to the field of display technology, and in particular to a touch display panel and a display device. Background Art

[0002] The touch display panel includes a display substrate, a touch substrate located on the display substrate, and an organic insulating layer located between the display substrate and the touch substrate.

[0003] Summary of the Invention

[0004] The present application provides a touch display panel and a display device, and the technical solutions are as follows:

[0005] In one aspect, a touch display panel is provided, the touch display panel comprising: a display substrate; the display substrate comprising:

[0006] a base substrate, the base substrate having a display area and a peripheral area surrounding the display area;

[0007] a plurality of pixel units located on one side of the base substrate, wherein the plurality of pixel units are located in the display area;

[0008] a plurality of dimming sections located on a side of the plurality of pixel units away from the base substrate, wherein the orthographic projection of each dimming section on the base substrate covers the orthographic projection of a light-emitting area of ​​a corresponding pixel unit on the base substrate, and light from the light-emitting area is emitted through the dimming section;

[0009] a first blocking structure located on one side of the base substrate, the first blocking structure being located in the peripheral area, and an orthographic projection of the first blocking structure on the base substrate surrounding the display area;

[0010] and a first filling portion located on one side of the base substrate, the first filling portion being located on a target side of the first blocking structure, the target side of the first blocking structure comprising at least one of a side of the first blocking structure close to the display area and a side of the first blocking structure away from the display area;

[0011] The first filling portion and the plurality of dimming portions are located in the same layer.

[0012] Optionally, in the film layer structure included in the display substrate, the total thickness of the film layer structure located on the target side of the first blocking structure is smaller than the total thickness of the film layer structure at the location where the first blocking structure is located.

[0013] Optionally, the first barrier structure includes: a first barrier dam and a second barrier dam, the first barrier dam is closer to the display area than the second barrier dam, and the height of the first barrier dam is smaller than that of the second barrier dam;

[0014] The total thickness of the film structure between the first barrier dam and the second barrier dam, and the total thickness of the film structure on the side of the second barrier dam away from the display area, are both smaller than the total thickness of the film structure at the location of the first barrier dam;

[0015] The first filling portion is located between the first barrier dam and the second barrier dam, and is located on a side of the second barrier dam away from the display area.

[0016] Optionally, the total thickness of the film structure on the side of the first barrier dam close to the display area is greater than the total thickness of the film structure where the first barrier dam is located, and the first filling portion is not located on the side of the first barrier dam close to the display area.

[0017] Optionally, an orthographic projection of the dimming unit on a reference plane is approximately a regular trapezoidal structure, the reference plane is perpendicular to the supporting surface of the base substrate, and the regular trapezoidal structure has a first surface on a side close to the base substrate, a second surface on a side away from the base substrate, and a side surface connecting the first surface and the second surface;

[0018] The light irradiated to the side surface is converged and then emitted.

[0019] Optionally, the area of ​​the orthographic projection of the dimming unit on the base substrate is positively correlated with the area of ​​the corresponding light-emitting region of the pixel unit.

[0020] Optionally, the plurality of pixel units include: a plurality of first pixel units, a plurality of second pixel units and a plurality of third pixel units; the plurality of dimming sections include: a plurality of first dimming sections corresponding to the plurality of first pixel units, a plurality of second dimming sections corresponding to the plurality of second pixel units, and a plurality of third dimming sections corresponding to the plurality of third pixel units;

[0021] Among them, the area of ​​the light-emitting area of ​​the first pixel unit is greater than the area of ​​the light-emitting area of ​​the second pixel unit, and the area of ​​the light-emitting area of ​​the second pixel unit is greater than the area of ​​the light-emitting area of ​​the third pixel unit; the area of ​​the orthographic projection of the first dimming part on the substrate is greater than the area of ​​the orthographic projection of the second dimming part on the substrate, and the area of ​​the orthographic projection of the second dimming part on the substrate is greater than the area of ​​the orthographic projection of the third dimming part on the substrate.

[0022] Optionally, the touch display panel includes: a plurality of second filling parts;

[0023] The plurality of second filling portions are located between the display area and the first blocking structure, and the plurality of second filling portions are closer to the display area than to the first blocking structure.

[0024] Optionally, the plurality of second filling parts include: a plurality of first sub-filling parts, a plurality of second sub-filling parts and a plurality of third sub-filling parts;

[0025] The orthographic projection of the first sub-filling portion on the base substrate is equal to the orthographic projection of the first dimming portion on the base substrate in area and shape, the orthographic projection of the second sub-filling portion on the base substrate is equal to the orthographic projection of the second dimming portion on the base substrate in area and shape, and the orthographic projection of the third sub-filling portion on the base substrate is equal to the orthographic projection of the third dimming portion on the base substrate in area and shape;

[0026] The plurality of second filling parts and the plurality of dimming parts are arranged in the same manner, and the plurality of second filling parts and the plurality of dimming parts are located in the same layer.

[0027] Optionally, the touch display panel further includes: a first organic insulating layer located on a side of the plurality of dimming parts and the first filling part away from the base substrate;

[0028] The refractive index of the light modulating unit is greater than the refractive index of the first organic insulating layer, and light irradiated to the interface between the light modulating unit and the first organic insulating layer is concentrated.

[0029] Optionally, the base substrate further has a hole area and a transition area surrounding the hole area, and the display area surrounds the transition area; the display substrate further includes:

[0030] a second blocking structure located on one side of the base substrate, the second blocking structure being located in the transition region, and an orthographic projection of the second blocking structure on the base substrate surrounding the hole region;

[0031] and a third filling portion located on one side of the substrate, the third filling portion being located on a target side of the second blocking structure, the target side of the second blocking structure comprising at least one of a side of the second blocking structure close to the hole region and a side of the second blocking structure away from the hole region;

[0032] Wherein, the third filling part and the plurality of dimming parts are located in the same layer.

[0033] Optionally, the second barrier structure includes: a third barrier dam and at least one fourth barrier dam sequentially arranged away from the display area;

[0034] The thickness of the film structure between any two adjacent barrier dams of the third barrier dam and the at least one fourth barrier dam is smaller than the thickness of the film structure at the location of any barrier dam of the third barrier dam or the fourth barrier dam;

[0035] The third filling portion is located between any two adjacent barrier dams among the third barrier dam and the at least one fourth barrier dam.

[0036] Optionally, the display substrate further comprises: a first organic functional layer located on one side of the base substrate, the first organic functional layer being located in the display area and the transition area; the display substrate further comprises: a first spacer located on a side of the third barrier dam close to the display area, and a second spacer located between the third barrier dam and the at least one fourth barrier dam;

[0037] The first organic functional layer is broken at at least one of the first isolation column and the second isolation column.

[0038] Optionally, the display substrate includes: a buffer layer, an active layer, a first gate insulating layer, a first gate layer, a second gate insulating layer, a second gate layer, an interlayer dielectric layer, a first source and drain electrode layer, a first planarization layer, a second source and drain electrode layer, a second planarization layer, an anode layer, a pixel defining layer, a support layer, a light-emitting film layer, a cathode layer, and an encapsulation film layer, which are sequentially stacked in a direction away from the base substrate;

[0039] The light-emitting film layer includes the first organic functional layer, the second organic functional layer and the light-emitting pattern, the first organic functional layer includes at least a hole transport layer and an electron transport layer, and the second organic functional layer includes at least a hole injection layer and an electron injection layer;

[0040] The encapsulation film layer includes a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer stacked in sequence. The first inorganic encapsulation layer and the second inorganic encapsulation layer are located in the display area, the peripheral area, and the transition area. The organic encapsulation layer is located in the display area.

[0041] Optionally, both the first isolation column and the second isolation column include at least a target film layer;

[0042] The target film layer is located in the first source and drain electrode layer, and the orthographic projection of the target film layer on the reference plane is in an I-shape, and the reference plane is perpendicular to the supporting surface of the base substrate.

[0043] Optionally, the target film layer includes: a first metal layer, a second metal layer, and a third metal layer stacked in sequence in a direction away from the base substrate;

[0044] The etching rate of the second metal layer is greater than that of the first metal layer, and greater than that of the third metal layer.

[0045] Optionally, the touch display panel further includes: a touch substrate; the touch substrate includes a first touch electrode layer, a second organic insulating layer, and a second touch electrode layer, which are located on the light-emitting side of the display substrate and are stacked in sequence;

[0046] One of the first touch electrode layer and the second touch electrode layer includes a plurality of bridging electrodes of the first touch electrodes, the other of the first touch electrode layer and the second touch electrode layer includes main electrodes of the plurality of first touch electrodes and a plurality of second touch electrodes, the bridging electrodes and the main electrodes being electrically connected through via holes in the second organic insulating layer;

[0047] Wherein, the material of the second organic insulating layer is an organic material.

[0048] Optionally, the touch substrate further includes: a plurality of first touch signal lines and a plurality of second touch signal lines;

[0049] Each of the first touch signal lines is connected to one of the first touch electrodes, and each of the second touch signal lines is connected to one of the second touch electrodes;

[0050] The orthographic projection of each of the plurality of first touch signal lines and the plurality of second touch signal lines on the base substrate at least partially overlaps with the orthographic projection of the first blocking structure on the base substrate, and the orthographic projection of the first filling portion on the base substrate at least partially overlaps.

[0051] Optionally, at an overlapping position of the touch signal line and the first blocking structure, an extension direction of the touch signal line and an extension direction of the first blocking structure intersect;

[0052] At an overlapping position between the touch signal line and the first filling portion, an extending direction of the touch signal line intersects with an extending direction of the first filling portion.

[0053] Optionally, the touch display panel further includes: a third organic insulating layer and a color filter layer located on a side of the touch substrate away from the display substrate;

[0054] The color filter layer includes a plurality of color resist blocks and a black matrix located between adjacent color resist blocks. The orthographic projection of each color resist block on the base substrate covers the light emitting area of ​​a corresponding pixel unit.

[0055] In another aspect, a touch display panel is provided, comprising: a display substrate and a first organic insulating layer located on one side of the display substrate; the display substrate comprises:

[0056] a base substrate, the base substrate having a display area and a peripheral area surrounding the display area;

[0057] a plurality of pixel units located on one side of the base substrate, wherein the plurality of pixel units are located in the display area;

[0058] a plurality of dimming units located on a side of the plurality of pixel units away from the base substrate, the first organic insulating layer located on a side of the plurality of dimming units away from the base substrate, light from the light-emitting areas of the pixel units converged at an interface between the dimming units and the first organic insulating layer and then emitted; the dimming units and the first organic insulating layer have different refractive indices;

[0059] a first blocking structure located on one side of the base substrate, the first blocking structure being located in the peripheral area, and an orthographic projection of the first blocking structure on the base substrate surrounding the display area;

[0060] and a first filling portion located on one side of the base substrate, the first filling portion being located on a target side of the first blocking structure, the target side of the first blocking structure comprising at least one of a side of the first blocking structure close to the display area and a side of the first blocking structure away from the display area;

[0061] The first filling portion and the plurality of dimming portions are located in the same layer.

[0062] Optionally, the touch display panel further comprises: a touch substrate located on a side of the first organic insulating layer away from the display substrate; the touch substrate comprises a touch electrode layer; the touch electrode layer comprises touch electrodes and touch signal lines electrically connected to the touch electrodes;

[0063] The orthographic projection of the touch signal line on the base substrate at least partially overlaps with the orthographic projection of the first blocking structure on the base substrate, and at least partially overlaps with the orthographic projection of the first filling portion on the base substrate;

[0064] At the overlapping position of the touch signal line and the first blocking structure, the extension direction of the touch signal line intersects with the extension direction of the first blocking structure; at the overlapping position of the touch signal line and the first filling portion, the extension direction of the touch signal line intersects with the extension direction of the first filling portion.

[0065] In another aspect, a display device is provided, comprising: a power supply component and the touch display panel as described in the above aspect;

[0066] The power supply component is used to supply power to the touch display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0067] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0068] FIG1 is a schematic structural diagram of a touch display panel provided in an embodiment of the present application;

[0069] FIG2 is a partial cross-sectional schematic diagram of a touch display panel provided in an embodiment of the present application;

[0070] FIG3 is a partial cross-sectional schematic diagram of another touch display panel provided in an embodiment of the present application;

[0071] FIG4 is a partial cross-sectional schematic diagram of another touch display panel provided in an embodiment of the present application;

[0072] FIG5 is a schematic diagram of an embodiment of the present application showing a first blocking structure exposed to the outside;

[0073] 6 is a schematic diagram of forming a first touch electrode layer of a touch substrate on an exposed first barrier structure according to an embodiment of the present application;

[0074] FIG7 is a schematic diagram of a residual touch electrode material provided in an embodiment of the present application;

[0075] FIG8 is a partial cross-sectional schematic diagram of another touch display panel provided in an embodiment of the present application;

[0076] FIG9 is a top view of a partial structure of a touch display panel provided in an embodiment of the present application;

[0077] FIG10 is a schematic diagram of the touch display panel shown in FIG9 in area A;

[0078] FIG11 is another schematic diagram of the touch display panel shown in FIG9 in area A;

[0079] FIG12 is another schematic diagram of the touch display panel shown in FIG9 in area A;

[0080] FIG13 is another schematic diagram of the touch display panel shown in FIG9 in area A;

[0081] FIG14 is a partial cross-sectional schematic diagram of another touch display panel provided in an embodiment of the present application;

[0082] FIG15 is a partial cross-sectional schematic diagram of a touch substrate provided in an embodiment of the present application;

[0083] FIG16 is a top view of a touch substrate provided in an embodiment of the present application;

[0084] FIG17 is a partial cross-sectional schematic diagram of a display substrate provided in an embodiment of the present application;

[0085] FIG18 is a schematic structural diagram of a display device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0086] In order to make the objectives, technical solutions and advantages of this application clearer, the implementation methods of this application will be further described in detail below with reference to the accompanying drawings.

[0087] In related art, a touch substrate includes a first touch electrode and a second touch electrode that are insulated from each other to implement the touch function of a touch display panel. The display substrate includes a blocking structure that can be used to prevent organic material from overflowing from the display area of ​​the display substrate.

[0088] However, the barrier structure is typically quite high, so the top of the barrier structure is exposed by the organic insulating layer. The organic insulating layer is discontinuous at the location of the barrier structure and has rough edges. Consequently, when preparing the first touch electrode layer in the touch substrate, touch electrode material may remain in the discontinuous areas of the organic insulating layer. This residual touch electrode material may cause short circuits between different touch electrodes, leading to poor touch performance of the touch display panel.

[0089] Figure 1 is a schematic diagram of the structure of a touch display panel provided in an embodiment of the present application. Figure 2 is a schematic diagram of a partial cross-section of a touch display panel provided in an embodiment of the present application. Figure 3 is a schematic diagram of a partial cross-section of another touch display panel provided in an embodiment of the present application. Referring to Figures 1 to 3 , the touch display panel 10 includes a display substrate 101. The display substrate 101 includes a base substrate 1011, a plurality of pixel units 1012, a plurality of dimming sections 1013, a first blocking structure 1014, and a first filling section 1015.

[0090] Referring to Figure 1 , a substrate 1011 includes a display area 1011a and a peripheral area 1011b surrounding the display area 1011a. Multiple pixel units 1012 are located on one side of the substrate 1011, within the display area 1011a. The orthographic projections of multiple dimming units 1013 on the substrate 1011 overlap the orthographic projections of the light-emitting areas of corresponding pixel units 1012 on the substrate 1011. Light from the light-emitting areas is emitted through the dimming units 1013.

[0091] The plurality of dimming units 1013 may correspond one-to-one to the plurality of pixel units 1012, and each dimming unit 1013 may dim the light emitted by its corresponding pixel unit 1012 to increase the amount of light emitted by the pixel unit 1012, thereby increasing the brightness of the touch display panel 10 and improving the display effect. Optionally, the dimming unit 1013 may converge light at the edge of the pixel unit 1012 to increase the amount of forward light emitted by the pixel unit 1012.

[0092] The first blocking structure 1014 is located on one side of the base substrate 1011 and in the peripheral area 1011b. The orthographic projection of the first blocking structure 1014 on the base substrate 1011 surrounds the display area 1011a. That is, referring to FIG. 1 , the first blocking structure 1014 can surround the plurality of pixel units 1012.

[0093] It should be noted that, with reference to Figure 4, the touch display panel 10 also includes a touch substrate 102. There is an insulating layer between the touch substrate 102 and the display substrate 101. In order to achieve the bending effect of the touch display panel 10, the insulating layer between the touch substrate 102 and the display substrate 101 can be an organic insulating layer (such as the first organic insulating layer 104 described below). Furthermore, the touch display panel 10 also includes a color filter layer 103 located on the side of the touch substrate 102 away from the display substrate 101. Among them, the color filter layer 103 includes a black matrix 10312, and the orthographic projection of the black matrix 10312 on the base substrate 1011 is located between adjacent pixel units 1012, and the light irradiated on the black matrix 10312 cannot be emitted. In order to reduce the distance between the pixel unit 1012 and the black matrix 10312 and improve the viewing angle of the light, the thickness of the first organic insulating layer 104 between the touch substrate 102 and the display substrate 101 can be designed to be thinner.

[0094] However, referring to FIG5 , if the thickness of the first organic insulating layer 104 is designed to be thin, the first organic insulating layer 104 will not be able to completely cover the first blocking structure 1014 (the top of the second blocking dam 1014210142 of the first blocking structure 1014 in FIG5 is exposed), and the edge of the first organic insulating layer 104 is relatively rough at the location where the first blocking structure 1014 is exposed. Furthermore, referring to FIG6 , the first touch electrode layer 10211021 of the touch substrate 102 is located on the side of the first organic insulating layer 104 away from the display substrate 101. However, when the touch electrode film is etched using an etching process to form the first touch electrode layer 1021, touch electrode material may remain at the location where the first blocking structure 1014 is exposed (the etching is not clean). Therefore, referring to FIG7 , this residual touch electrode material may cause different touch signal lines to short-circuit, which may in turn cause different touch electrodes to short-circuit, resulting in poor touch performance of the touch display panel 10.

[0095] In an embodiment of the present application, to solve the above-mentioned technical problems, referring to FIG1 and FIG3 , the touch display panel 10 includes a first filling portion 1015 located on one side of the base substrate 1011 and on a target side of the first barrier structure 1014. The target side of the first barrier structure 1014 includes at least one of a side of the first barrier structure 1014 close to the display area 1011a and a side of the first barrier structure 1014 away from the display area 1011a.

[0096] Since the upper surface of the first barrier structure 1014 is generally higher than the upper surface of the film layer in the areas on both sides of the first barrier structure 1014, the first filling portion 1015 is provided on the target side of the first barrier structure 1014 to raise the upper surface of the film layer in the areas on both sides of the first barrier structure 1014. In other words, since the first filling portion 1015 can have a certain thickness, the step difference between the upper surface of the first barrier structure 1014 and the upper surface of the film layer in the areas on both sides of the first barrier structure 1014 can be reduced.

[0097] As a result, the first organic insulating layer 104 formed on the display substrate 101 can cover the first barrier structure 1014, preventing the top of the first barrier structure 1014 from being exposed. In other words, the first organic insulating layer 104 is a continuous film layer. When the first touch electrode layer 10211021 in the touch substrate 102 is subsequently formed, no touch electrode material residue remains. This prevents short circuits between different touch signal lines and, in turn, between different touch electrodes, thereby ensuring the touch performance of the touch display panel 10.

[0098] In the embodiment of the present application, the first filling portion 1015 can be located in the same layer as the multiple dimming portions 1013. "Located in the same layer" can mean that they are made of the same material and are fabricated using a single patterning process. By locating the first filling portion 1015 and the multiple dimming portions 1013 in the same layer, the number of process steps in fabricating the touch display panel 10 can be reduced, thereby improving fabrication efficiency.

[0099] In summary, embodiments of the present application provide a touch display panel comprising a first filling portion located on the target side of a first barrier structure. This first filling portion acts as a cushion to allow a subsequently formed first organic insulating layer to completely cover the first barrier structure, thereby preventing residual touch electrode material from forming on the touch substrate on the side of the first organic insulating layer away from the display substrate, thereby preventing short circuits between different touch electrodes and maintaining the touch performance of the touch display panel.

[0100] In the embodiment of the present application, the total thickness of the film structure included in the display substrate 101 on the target side of the first barrier structure 1014 is smaller than the total thickness of the film structure at the location where the first barrier structure 1014 is located.

[0101] Optionally, the first barrier structure 1014 has a first side proximal to the display area 1011a and a second side distal to the display area 1011a. Assuming that the total thickness of the film structures on the first side of the first barrier structure 1014, among the film structures included in the display substrate 101, is not less than the total thickness of the film structures at the location where the first barrier structure 1014 is located, the first side of the first barrier structure 1014 may not need to include the first filling portion 1015. Assuming that the total thickness of the film structures on the second side of the first barrier structure 1014, among the film structures included in the display substrate 101, is less than the total thickness of the film structures at the location where the first barrier structure 1014 is located, the first filling portion 1015 may be included on the second side of the first barrier structure 1014.

[0102] In the embodiment of the present application, the first barrier structure 1014 may be an annular structure surrounding the display area 1011a, and is used to prevent overflow of organic material from the display substrate 101 within the area enclosed by the first barrier structure 1014. Referring to Figures 1 and 3, the first barrier structure 1014 includes a first barrier dam 10141 and a second barrier dam 10142. The first barrier dam 10141 is closer to the display area 1011a than the second barrier dam 10142, and the height of the first barrier dam 10141 is less than that of the second barrier dam 10142.

[0103] By providing two barrier dams, with the second barrier dam 10142, which is farther from the display area 1011a, being thicker than the first barrier dam 10141, which is closer to the display area 1011a, overflow of the organic material within the area enclosed by the first barrier structure 1014 can be further prevented. Of course, the first barrier structure 1014 may also include one barrier dam, or more than two barrier dams, which are not limited in this embodiment of the present application.

[0104] 8 , the total thickness h1 of the film structure between first barrier dam 10141 and second barrier dam 10142, as well as the total thickness h2 of the film structure on the side of second barrier dam 10142 away from display area 1011a, are both less than the total thickness h3 of the film structure at the location of first barrier dam 10141. Furthermore, first filling portion 1015 is located between first barrier dam 10141 and second barrier dam 10142, and on the side of second barrier dam 10142 away from display area 1011a.

[0105] Thus, the first filling portion 1015 can raise the area between the first barrier dam 10141 and the second barrier dam 10142, as well as the side of the second barrier dam 10142 away from the display area 1011a. The subsequently formed first organic insulating layer 104 can be located on the surface of this raised film layer. Therefore, referring to FIG8 , even if the first organic insulating layer 104 is relatively thin, the organic material will not be exposed on the top of the second barrier dam 10142 after leveling. This prevents residual touch electrode material from forming a touch electrode layer in the subsequently formed touch substrate 102, thereby ensuring the touch performance of the touch display panel 10.

[0106] 8 , the total thickness h4 of the film structure on the side of the first barrier dam 10141 close to the display area 1011a is greater than the total thickness h3 of the film structure at the location of the first barrier dam 10141. The first filling portion 1015 is not located on the side of the first barrier dam 10141 close to the display area 1011a.

[0107] Since the total thickness h4 of the film structure on the side of the first blocking dam 10141 close to the display area 1011a is larger, there is no need to raise it with the first filling part 1015, and thus there is no need to set the first filling part 1015 on the side of the first blocking dam 10141 close to the display area 1011a.

[0108] Referring to Figure 2 , the orthographic projection of the dimming unit 1013 onto a reference plane forms a roughly regular trapezoidal structure. The reference plane is perpendicular to the supporting surface of the substrate 1011. The regular trapezoidal structure comprises a first surface located on a side close to the substrate 1011, a second surface located away from the substrate 1011, and side surfaces connecting the first and second surfaces. The orthographic projection of the second surface onto the substrate 1011 lies within the orthographic projection of the first surface onto the substrate 1011. The roughly regular trapezoidal structure can be a roughly axisymmetric shape.

[0109] The regular trapezoidal structure may mean that the angles between the sections at any position of the side surface and the first surface are equal. The approximate regular trapezoidal structure may mean that the angles between the sections at different positions of the side surface and the first surface may vary slightly due to errors in the manufacturing process.

[0110] Optionally, the angle between the side surface of the regular trapezoidal structure and the first surface may be in the range of 70° to 80°.

[0111] The main function of the dimming unit 1013 is to converge light from the edges of the light-emitting area of ​​the pixel unit 1012 to increase the amount of light emitted. Light from the edges of the light-emitting area of ​​the pixel unit 1012 can be irradiated by the side of the dimming unit 1013. After being converged, the light irradiated by the side can be emitted from the opening area of ​​the touch display panel 10. At the same time, light from the center of the light-emitting area of ​​the pixel unit 1012 can be irradiated by the second surface of the dimming unit 1013. The light irradiated by the second surface can also be emitted from the opening area of ​​the touch display panel 10.

[0112] It should be noted that even though the light irradiating the second surface may be diverged, the diverged light can still be emitted from the opening area of ​​the touch display panel 10 , so the light emission amount will not be reduced due to the light divergence.

[0113] In addition, the orthographic projection of the dimming unit 1013 on the reference plane may also be in other shapes. The embodiment of the present application does not specifically limit the shape of the dimming unit 1013. It is only necessary that the dimming unit 1013 can achieve the function of converging the light at the edge of the luminous area of ​​the pixel unit 1012.

[0114] Optionally, the area of ​​the orthographic projection of the dimming unit 1013 on the substrate 1011 is positively correlated with the area of ​​the light-emitting area of ​​the corresponding pixel unit 1012. That is, the larger the area of ​​the light-emitting area of ​​the pixel unit 1012, the larger the area of ​​the orthographic projection of the dimming unit 1013 on the substrate 1011; and the smaller the area of ​​the light-emitting area of ​​the pixel unit 1012, the smaller the area of ​​the orthographic projection of the dimming unit 1013 on the substrate 1011.

[0115] The plurality of pixel units 1012 include: a plurality of first pixel units, a plurality of second pixel units, and a plurality of third pixel units. The plurality of dimming units 1013 include: a plurality of first dimming units corresponding to the plurality of first pixel units, a plurality of second dimming units corresponding to the plurality of second pixel units, and a plurality of third dimming units corresponding to the plurality of third pixel units.

[0116] Optionally, the area of ​​the light-emitting region of the first pixel unit is larger than the area of ​​the light-emitting region of the second pixel unit, and the area of ​​the light-emitting region of the second pixel unit is larger than the area of ​​the light-emitting region of the third pixel unit. Accordingly, the area of ​​the orthographic projection of the first dimming unit on the substrate is larger than the area of ​​the orthographic projection of the second dimming unit on the substrate 1011, and the area of ​​the orthographic projection of the second dimming unit on the substrate 1011 is larger than the area of ​​the orthographic projection of the third dimming unit on the substrate 1011.

[0117] For example, the first pixel unit may be a blue pixel unit, the second pixel unit may be a red pixel unit, and the third pixel unit may be a green pixel unit.

[0118] It should be noted that, in addition to the aforementioned plurality of first pixel units, plurality of second pixel units, and plurality of third pixel units, the plurality of pixel units 1012 may further include a plurality of fourth pixel units. The fourth pixel units may be pixel units of other colors, for example, yellow pixel units. Accordingly, the plurality of dimming units 1013 may include a fourth dimming unit that may correspond to the fourth pixel units.

[0119] In the embodiment of the present application, the organic layer in the display substrate 101 is confined to the side of the first blocking structure 1014 near the display area 1011a. Furthermore, the thickness of the film structure of the display substrate 101 on both sides of the boundary of the display area 1011a varies significantly, which in turn makes the slope of the display substrate 101 at the boundary of the display area 1011a steeper. As a result, when the subsequently formed first organic insulating layer 104 is leveled at the boundary of the display area 1011a, the first organic insulating material that should have remained in the display area 1011a may flow from the steeper boundary of the display area 1011a to outside the display area 1011a. This may cause the dimming unit 1013 located at the edge of the display area 1011a and within the display area 1011a to be exposed by the first organic insulating layer 104, affecting the dimming performance of the dimming unit 1013.

[0120] Figure 9 is a top view of a display substrate provided in an embodiment of the present application. Figure 10 is a partially enlarged view of the display substrate shown in Figure 9 . In conjunction with Figures 9 and 10 , to address the aforementioned technical issues, the display substrate 101 may further include: a plurality of second filling portions 1016 . The plurality of second filling portions 1016 are located between the display area 1011a and the first blocking structure 1014 , and the plurality of second filling portions 1016 are closer to the display area 1011a than to the first blocking structure 1014 .

[0121] By disposing multiple second filling portions 1016 between the display region 1011a and the first barrier structure 1014, and near the display region 1011a, the film structure at that location can be elevated. This provides a barrier to the first organic insulating material during subsequent leveling of the first organic insulating layer 104, preventing the dimming portion 1013 in the display region 1011a from being exposed. Furthermore, the slope of the display substrate 101 is steeper at the boundary of the display region 1011a and more gradual between the display region 1011a and the first barrier structure 1014. Even if the first organic insulating layer 104 flows outside the display region 1011a during leveling, this does not expose the second filling portions 1016, minimizing the impact on the subsequent preparation of other film layers.

[0122] Optionally, the design of the multiple second filling parts 1016 can be consistent with the multiple dimming parts 1013, thereby improving the consistency of the film layer patterns on both sides of the display area 1011a and ensuring the display effect at the edge of the display area 1011a.

[0123] For example, the plurality of second filling portions 1016 include: a plurality of first sub-filling portions, a plurality of second sub-filling portions, and a plurality of third sub-filling portions. The orthographic projection of the first sub-filling portion on the substrate 1011 is equal to the area and shape of the orthographic projection of the first dimming portion on the substrate 1011. The orthographic projection of the second sub-filling portion on the substrate 1011 is equal to the area and shape of the orthographic projection of the second dimming portion on the substrate 1011. The orthographic projection of the third sub-filling portion on the substrate 1011 is equal to the area and shape of the orthographic projection of the third dimming portion on the substrate 1011. The arrangement of the plurality of second filling portions 1016 and the plurality of dimming portions 1013 is the same.

[0124] In the embodiment of the present application, the second filling portion 1016 may also adopt a different design from the dimming portion 1013 , and the filling portion only needs to be provided between the display area 1011 a and the first blocking structure 1014 and close to the display area 1011 a .

[0125] Referring to FIG. 11 , taking the area to the right of the display area 1011a as an example, the plurality of second filling portions 1016 may include a plurality of strip structures arranged along a first direction X and extending along a second direction Y. Optionally, the length of each strip structure along the first direction X (i.e., the width of the strip structure) ranges from 8 microns to 20 microns, and the distance between two adjacent strip structures along the first direction X ranges from 10 microns to 30 microns. The first direction X and the second direction Y are perpendicular. The first direction X may be the pixel row direction of the display substrate 10, and the second direction Y may be the pixel column direction of the display substrate 10.

[0126] Referring to FIG12 , the plurality of second filling sections 1016 may include: a plurality of first sub-filling sections corresponding to the first dimming sections, a plurality of second sub-filling sections corresponding to the second dimming sections, a plurality of third sub-filling sections corresponding to the third dimming sections, and a plurality of strip-shaped structures arranged along the first direction and extending along the second direction. The designs of the first sub-filling sections, the second sub-filling sections, and the third sub-filling sections may be the same as those of the dimming sections 1013. The length of each strip-shaped structure along the first direction X (i.e., the width of the strip-shaped structure) ranges from 8 microns to 20 microns, and the distance between two adjacent strip-shaped structures along the first direction X ranges from 10 microns to 30 microns.

[0127] Referring to FIG. 13 , the plurality of second filling portions 1016 include: a plurality of strip-shaped groups arranged along a first direction X. Each strip-shaped group includes a plurality of spaced-apart strip-shaped structures arranged and extending along a second direction Y. Furthermore, two adjacent strip-shaped groups are staggered. Each strip-shaped structure has a length along the second direction Y ranging from 50 microns to 100 microns, and the distance between two adjacent strip-shaped structures arranged along the second direction Y is less than 100 microns. The distance between two adjacent strip-shaped groups ranges from 10 microns to 40 microns.

[0128] Furthermore, the plurality of second filling portions 1016 and the plurality of dimming portions 1013 are located in the same layer. That is, the plurality of second filling portions 1016 and the plurality of dimming portions 1013 can be manufactured using the same material and in the same manufacturing process. By locating the second filling portions 1016 and the plurality of dimming portions 1013 in the same layer, the number of manufacturing steps in the touch display panel 10 can be reduced, thereby improving manufacturing efficiency.

[0129] In the embodiment of the present application, referring to FIG4 , the touch display panel 10 further includes a first organic insulating layer 104 located on a side of the plurality of dimming parts 1013 and the first filling part 1015 away from the base substrate 1011. The refractive index of the dimming parts 1013 is greater than that of the first organic insulating layer 104, and light irradiated onto the interface between the dimming parts 1013 and the first organic insulating layer 104 is converged or diverged.

[0130] 4 , light irradiated to the interface between the side surface of the light modulating unit 1013 and the first organic insulating layer 104 is converged, and light irradiated to the interface between the first surface of the light modulating unit 1013 and the first organic insulating layer 104 is diverged.

[0131] Optionally, the refractive index of the light modulating unit 1013 is in a range of 1.6 to 1.9, and the refractive index of the first organic insulating layer 104 is in a range of 1.2 to 1.4.

[0132] In an embodiment of the present application, referring to FIG9 , the base substrate 1011 further comprises a hole region 1011c and a transition region 1011d surrounding the hole region 1011c. The display area 1011a surrounds the transition region 1011d. The hole region 1011c may comprise a through hole or a blind hole, in which a camera may be disposed for capturing an image. The transition region 1011d may be a transition region between the hole region 1011c and the display area 1011a. Referring to FIG14 , the display substrate 101 further comprises a second blocking structure 1017 located on one side of the base substrate 1011. The second blocking structure 1017 is located in the transition region 1011d, and the orthographic projection of the second blocking structure 1017 on the base substrate 1011 includes the hole region 1011c.

[0133] By providing the second blocking structure 1017 in the transition region 1011d, the organic material in the display region 1011a can be prevented from overflowing into the hole region 1011c, thereby ensuring reliable placement of the camera.

[0134] 14 , the touch display panel 10 further includes a third filling portion 1018 located on one side of the base substrate 1011. The third filling portion 1018 is located on a target side of the second barrier structure 1017. The target side of the second barrier structure 1017 includes at least one of a side of the second barrier structure 1017 close to the hole region 1011 c and a side of the second barrier structure 1017 away from the hole region 1011 c.

[0135] Because the upper surface of the second barrier structure 1017 is generally higher than the upper surface of the film layer in the areas on both sides of the second barrier structure 1017, by designing the third filling portion 1018 on the target side of the second barrier structure 1017, the surface of the third filling portion 1018 away from the base substrate 1011 can be the upper surface of the film layer in the areas on both sides of the second barrier structure 1017. In other words, because the third filling portion 1018 can have a certain thickness, the step difference between the upper surface of the second barrier structure 1017 and the upper surface of the film layer in the areas on both sides of the second barrier structure 1017 can be reduced.

[0136] As a result, the first organic insulating layer 104 formed on the display substrate 101 can cover the second barrier structure 1017, preventing the top of the second barrier structure 1017 from being exposed. In other words, the first organic insulating layer 104 can be a continuous film layer at the location of the second barrier structure 1017. When the first touch electrode layer 10211021 of the touch substrate 102 is subsequently fabricated, no touch electrode material residue remains, preventing short circuits between different touch signal lines and, consequently, between different touch electrodes, thereby ensuring the touch performance of the touch display panel 10.

[0137] In the embodiment of the present application, the third filling portion 1018 can be located in the same layer as the first filling portion 1015 , the second filling portion 1016 , and the dimming portion 1013 , thereby reducing the number of process steps in manufacturing the touch display panel 10 and improving manufacturing efficiency.

[0138] Referring to FIG. 14 , second barrier structure 1017 includes a third barrier dam 10171 and at least one fourth barrier dam 10172, which are sequentially arranged away from display area 1011a. The thickness of the film structure between any two adjacent third barrier dams 10171 and at least one fourth barrier dam 10172 is less than the thickness of the film structure at the location of either third barrier dam 10171 or fourth barrier dam 10172. A third filling portion 1018 is located between any two adjacent third barrier dams 10171 and at least one fourth barrier dam 10172.

[0139] Thus, the third filling portion 1018 can raise the space between any two adjacent barrier dams among the third barrier dam 10171 and at least one fourth barrier dam 10172, and the subsequently formed first organic insulating layer 104 can be formed on the surface of the raised film layer. Even if the thickness of the first organic insulating layer 104 is relatively thin, it will not cause the top of the third barrier dam 10171 or the fourth barrier dam 10172 to be exposed after the first organic insulating material is leveled. This can avoid the presence of residual touch electrode material in the touch electrode layer in the subsequently formed touch substrate 102, thereby ensuring the touch performance of the touch display panel 10.

[0140] In the embodiment of the present application, the display substrate 101 further includes a first organic functional layer M located on one side of the base substrate 1011. The first organic functional layer M is located in the display region 1011a and the transition region 1011d. The display substrate 101 further includes a first spacer 1019a located on a side of the third barrier dam 10171 proximal to the display region 1011a, and a second spacer 1019b located between the third barrier dam 10171 and at least one fourth barrier dam 10172. The first organic functional layer M is broken at at least one of the first spacer 1019a and the second spacer 1019b.

[0141] It should be noted that water vapor and oxygen will be transmitted along the first organic functional layer M to the display area 1011a. Since the first organic functional layer M is broken at at least one isolation column, even if water vapor and oxygen enter the first organic functional layer M from the side of the display panel located in the hole area 1011c, the water vapor and oxygen can be blocked outside the at least one isolation column and will not enter the display area 1011a along the first organic functional layer M. Furthermore, the first organic functional layer M can be broken at both the first isolation column 1019a and the second isolation column 1019b, thereby further preventing water vapor and oxygen from entering the display area 1011a. As a result, the pixel units 1012 of the display substrate 101 located in the display area 1011a can be prevented from being corroded by water vapor and oxygen, thereby ensuring the display effect.

[0142] In the embodiment of the present application, the material of the first organic functional layer M can be an organic material, which easily absorbs water and oxygen. Therefore, water vapor and oxygen can enter the display substrate 101 through the first organic functional layer M located on the side of the display substrate 101 in the hole area 1011c. By breaking the first organic functional layer M at at least one of the first isolation column 1019a and the second isolation column 1019b, water vapor and oxygen can be prevented from entering the display area 1011a along the first organic functional layer M.

[0143] Optionally, both the first isolation pillar 1019a and the second isolation pillar 1019b may be annular structures surrounding the hole region 1011c. The display substrate 101 may include multiple first isolation pillars 1019a and multiple second isolation pillars 1019b. For example, the display substrate 101 may include four first isolation pillars 1019a and seven second isolation pillars 1019b.

[0144] In the embodiment of the present application, referring to Figures 2 and 4, the display substrate 101 includes: a buffer layer (buffer) n1, an active layer n2, a first gate insulating layer (GI) n3, a first gate layer n4, a second gate insulating layer n5, a second gate layer n6, an inter-level dielectric layer (ILD) n7, a first source and drain layer n8, a first planarization layer (PLN) n9, a second source and drain layer n10, a second planarization layer n11, an anode layer (anode) n12, a pixel definition layer (PDL) n13, a support layer (PS) n14, a light-emitting film layer n15, a cathode layer (cathode) n16 and an encapsulation film layer n17 stacked in sequence along a direction away from the base substrate 1011.

[0145] Among them, the first gate layer n4, the second gate layer n6, the first source and drain layer n8, the first planar layer n9, the second source and drain layer n10 and the second planar layer n11 are located in the display area 1011a, and the first gate insulating layer n3, the second gate insulating layer n5 and the interlayer dielectric layer n7 are located in the transition area 1011d and the display area 1011a.

[0146] In the embodiment of the present application, both the first isolation column 1019a and the second isolation column 1019b include a target film layer H. The target film layer H is located on the first source / drain electrode layer n8, and its orthographic projection on the reference plane is in the shape of an I. By configuring the target film layer H in the first isolation column 1019a and the second isolation column 1019b in the shape of an I, the first organic functional layer M can be easily broken at the first isolation column 1019a and the second isolation column 1019b, thereby preventing moisture and oxygen from entering the display area 1011a.

[0147] Optionally, the target film layer H includes a first metal layer, a second metal layer, and a third metal layer stacked sequentially in a direction away from the base substrate 1011. The etching rate of the second metal layer is greater than that of the first metal layer and greater than that of the third metal layer.

[0148] In the embodiment of the present application, since the etching rate of the second metal layer is relatively high, while the etching rates of the first metal layer and the third metal layer are relatively low, the target film layer H can be made into an I-shape based on the difference in etching rates of the various metal layers.

[0149] For example, assuming that the target film layer H and the first source and drain layer n8 are located in the same layer, since the first source and drain layer n8 and the second source and drain layer n10 are generally composed of three stacked metal layers of titanium (Ti), aluminum (Al) and titanium, the materials of the first metal layer and the third metal layer in the target film layer H can both be titanium, and the material of the second metal layer can be aluminum.

[0150] In an embodiment of the present application, the first isolation column 1019a and the second isolation column 1019b may include other film layers in addition to the target film layer H. For example, the first isolation column 1019a and the second isolation column 1019b both include a gate pattern located on the same layer as the first gate layer n4, and a gate pattern located on the same layer as the second gate layer n6.

[0151] In the embodiment of the present application, the film layers included in each isolation column included in the display substrate 101 can be different. Of course, the film layers included in each isolation column included in the display substrate 101 can also be the same. This embodiment of the present application is not limited to this. Regardless of the film layers included in each isolation column in the display substrate 101, it is sufficient to ensure that the first organic functional layer M is broken at at least one isolation column in the display substrate 101.

[0152] In the embodiment of the present application, each pixel unit 1012 located in the display area 1011a of the display substrate 101 may include a pixel circuit 10121 and a light emitting unit 10122. The pixel circuit 10121 may include a storage capacitor and at least one thin film transistor.

[0153] Optionally, the active layer n2 may include multiple active patterns. The first gate layer n4 may include multiple first gate patterns. The second gate layer n6 may include multiple second gate patterns. The first source-drain layer n8 may include multiple source electrodes and multiple drain electrodes corresponding to the multiple source electrodes. The second source-drain layer n10 may include multiple connection patterns.

[0154] An active pattern, a first gate pattern, a source electrode, and a drain electrode can constitute a thin film transistor, and the source electrode and the corresponding drain electrode of each thin film transistor can be connected to the active pattern. A first gate pattern and a second gate pattern can constitute a storage capacitor.

[0155] Referring to Figure 2 , the display substrate 101 includes an anode layer n12, a light-emitting film layer n15, and a cathode layer n16, which can constitute light-emitting units 10122 of multiple pixel units 1012. The anode layer n12 can include multiple anode patterns. The light-emitting film layer n15 can include a first organic functional layer M, a second organic functional layer, and a light-emitting pattern (only the light-emitting pattern is shown in the figure to represent the light-emitting film layer n15). The anode layer n12, the second organic functional layer, and the light-emitting pattern are all located in the display area 1011a, and the cathode layer n16 is located in the transition region 1011d and the display area 1011a.

[0156] The anode layer n12, the second organic functional layer, and the light-emitting pattern are all located in the display region 1011a, which means that the anode layer n12, the second organic functional layer, and the light-emitting pattern are located only in the display region 1011a and not in the transition region 1011d. The first organic functional layer M may include at least a hole transport layer and an electron transport layer, and the second organic functional layer may include at least a hole injection layer and an electron injection layer.

[0157] 2 , the pixel defining layer n13 included in the display substrate 101 may have multiple hollow regions, each of which may be used to expose the anode pattern of a pixel unit 1012. The anode pattern of each pixel unit 1012 is connected to the drain of the thin film transistor via a connection pattern.

[0158] In the embodiment of the present application, the encapsulation film layer n17 may include a first inorganic encapsulation layer n171, an organic encapsulation layer n172, and a second inorganic encapsulation layer n173 stacked in sequence. The first inorganic encapsulation layer n171 and the second inorganic encapsulation layer n173 are both located in the display area 1011a, the peripheral area 1011b, and the transition area 1011d, and the organic encapsulation layer n172 is located in the display area 1011a.

[0159] Among them, the organic encapsulation layer n172 is only located in the display area 1011a, and not in the peripheral area 1011b and the transition area 1011d. This is the main reason why the total thickness of the film layer structure in the display area 1011a in the display substrate 101 is greater than the total thickness of the film layer structure in the peripheral area 1011b, and greater than the total thickness of the film layer structure in the transition area 1011d.

[0160] Since the material of the organic encapsulation layer n172 can be an organic material, the organic encapsulation layer n172 is not located in the peripheral area 1011b and the transition area 1011d, which can prevent water vapor and oxygen from entering the display area 1011a from the organic encapsulation layer n172, thereby ensuring the encapsulation effect.

[0161] Optionally, the material of the first inorganic encapsulation layer n171 is silicon oxynitride (SiNO), and the material of the second inorganic encapsulation layer n173 is silicon nitride (SiN). The organic encapsulation layer n172 is made of a resin material. The resin can be a thermoplastic resin or a thermoplastic resin. The thermoplastic resin can include acrylic (PMMA) resin, and the thermosetting resin can include epoxy resin.

[0162] Optionally, the first inorganic encapsulation layer n171 and the second inorganic encapsulation layer n173 may be manufactured by chemical vapor deposition (CVD), and the organic encapsulation layer n172 may be manufactured by ink jet printing (IJP).

[0163] In the embodiment of the present application, the first barrier dam 10141 may include a first pattern t1, a second pattern t2, and a third pattern t3, stacked sequentially along a side away from the base substrate 1011. The second barrier dam 10142 may include a fourth pattern t4, a fifth pattern t5, a sixth pattern t6, and a seventh pattern t7, stacked sequentially along a side away from the base substrate 1011. The fourth pattern t4 is located on the first planar layer n9, the first pattern t1 and the fifth pattern t5 are located on the second planar layer n11, the second pattern t2 and the sixth pattern t6 are located on the pixel defining layer n13, and the third pattern t3 and the seventh pattern t7 are located on the supporting layer n14.

[0164] That is, the second barrier dam 10142 has an additional pattern layer located on the first planar layer n9 compared to the first barrier dam 10141 , so that the thickness of the second barrier dam 10142 is greater than that of the first barrier dam 10141 , thereby preventing overflow of the organic layer.

[0165] Optionally, the height of the third barrier dam 10171 and the height of the fourth barrier dam 10172 can be equal. For example, the third barrier dam 10171 and the fourth barrier dam 10172 each include a pattern of the first planar layer n9, a pattern of the second planar layer n11, and a pattern of the pixel defining layer n13. Of course, the height of the third barrier dam 10171 and the height of the fourth barrier dam 10172 can also be unequal, and this is not limited in this embodiment of the present application.

[0166] In the embodiment of the present application, referring to FIG4 , the touch display panel 10 further includes a touch substrate 102 . The touch substrate 102 includes a first touch electrode layer 1021 , a second organic insulating layer 1022 , and a second touch electrode layer 1023 , which are stacked sequentially on the light-emitting side of the display substrate 101 .

[0167] One of the first touch electrode layer 1021 and the second touch electrode layer 1023 includes a plurality of bridging electrodes s12 for the first touch electrodes s1, and the other of the first touch electrode layer 1021 and the second touch electrode layer 1023 includes a plurality of main electrodes s11 for the first touch electrodes s1 and a plurality of second touch electrodes s2. The bridging electrodes and the main electrodes are electrically connected via vias in the second organic insulating layer 1022. The second organic insulating layer 1022 can be made of an organic material to facilitate bending of the touch display panel 10.

[0168] Optionally, referring to FIG15 , the bridging electrodes of the plurality of first touch electrodes s1 are located in the first touch electrode layer 10211021, and the plurality of main electrodes s11 of the first touch electrodes s1 and the plurality of second touch electrodes s2 are located in the second touch electrode layer 1023. Alternatively, the main electrodes s11 of the plurality of first touch electrodes s1 and the plurality of second touch electrodes s2 are located in the first touch electrode layer 10211021, and the bridging electrodes s12 of the plurality of first touch electrodes s1 are located in the second touch electrode layer 1023.

[0169] 16 , the touch display panel 10 includes a plurality of first touch electrodes s1 arranged along the second direction Y, and a plurality of second touch electrodes s2 arranged along the first direction X. Furthermore, the bridging electrode s12 of the first touch electrode s1 is located in a region overlapping with the orthographic projection of the second touch electrode s2.

[0170] Referring to Figure 16 , the touch substrate 102 may further include a driving circuit 1024 and a detection circuit 1025 located in the peripheral region 1011b. The driving circuit 1024 is electrically connected to the plurality of first touch electrodes s1 and is configured to provide driving signals to the first touch electrodes s1. The detection circuit 1025 is electrically connected to the second touch electrodes s2 and is configured to detect sensing signals received from the second touch electrodes s2 between the first touch electrodes s1 and the second touch electrodes s2.

[0171] While the driving circuit 1024 provides a driving signal to the first touch electrode s1, the detection circuit 1025 can detect the sensing signal between the first touch electrode s1 and the second touch electrode s2 received from the second touch electrode s2. If a user's finger approaches the touch display panel 10, the detection circuit 1025 can detect a change in the sensing signal at the location of the user's finger and determine the location where the sensing signal changed as the touch location.

[0172] Optionally, since the driving circuit 1024 is electrically connected to the first touch electrode s1, the first touch electrode s1 may be a transmitting (TX) electrode, and since the detecting circuit 1025 is electrically connected to the second touch electrode s2, the second touch electrode s2 may be a sensing (RX) electrode.

[0173] In the embodiment of the present application, the touch substrate 102 may further include: a plurality of first touch signal lines 1026 and a plurality of second touch signal lines 1027. Each first touch signal line 1026 is connected to a first touch electrode s1, and each second touch signal line 1027 is connected to a second touch electrode s2.

[0174] Optionally, one end of each first touch signal line 1026 is connected to the driver circuit 1024, and the other end is connected to a first touch electrode s1. One end of each second touch signal line 1027 is connected to the detection circuit 1025, and the other end is connected to a second touch electrode s2. That is, the driver circuit 1024 is connected to the first touch electrode s1 via the first touch signal line 1026, and the detection circuit 1025 is connected to the second touch electrode s2 via the second touch signal line 1027.

[0175] Typically, the driving circuit 1024 and the detecting circuit 1025 are located on a side of the first blocking structure 1014 away from the display area 1011a, while the first touch electrode s1 and the second touch electrode s2 are located in the display area 1011a. Therefore, to achieve connections between the driving circuit 1024 and the first touch electrode s1, and between the detecting circuit 1025 and the second touch electrode s2, the first touch signal line 1026 and the second touch signal line 1027 must cross the first blocking structure 1014. In other words, the orthographic projection of each of the plurality of first touch signal lines 1026 and the plurality of second touch signal lines 1027 on the base substrate 1011 at least partially overlaps with the orthographic projection of the first blocking structure 1014 on the base substrate 1011. For example, at the overlapping position of the touch signal line and the first blocking structure 1014 , the extending direction of the touch signal line intersects with the extending direction of the first blocking structure 1014 , for example, the extending direction of the touch signal line is perpendicular to the extending direction of the first blocking structure 1014 .

[0176] Furthermore, the first filling portion 1015 located on the target side of the first blocking structure 1014 can be a ring-shaped structure, so that the plurality of first touch signal lines 1026 and the plurality of second touch signal lines 1027 also cross the first filling portion 1015. That is, the orthographic projection of each of the plurality of first touch signal lines 1026 and the plurality of second touch signal lines 1027 on the base substrate 1011 at least partially overlaps with the orthographic projection of the first filling portion 1015 on the base substrate 1011. For example, at the intersection of the touch signal line and the first filling portion 1015, the extension direction of the touch signal line intersects with the extension direction of the first filling portion 1015. For example, the extension direction of the touch signal line is perpendicular to the extension direction of the first filling portion 1015.

[0177] In the embodiment of the present application, referring to FIG4 , the touch display panel 10 further includes: a third organic insulating layer 105 and a color filter layer 103 located on a side of the touch substrate 102 away from the display substrate 101. The color filter layer 103 includes a plurality of color resist blocks 10311 and a black matrix (BM) 10312 located between adjacent color resist blocks 10311. The orthographic projection of each color resist block 10311 on the base substrate 1011 covers the light-emitting area of ​​a corresponding pixel unit 1012. The opening area of ​​the touch display panel 10 may refer to an area of ​​the color filter layer 103 where the black matrix 10312 is not provided.

[0178] In the embodiment of the present application, the sum of the thickness of the first organic insulating layer 104, the thickness of the second organic insulating layer 1022, and the thickness of the third organic insulating layer 105 affects the distance between the light-emitting unit 10122 and the black matrix 10312 in the direction perpendicular to the supporting surface of the base substrate 1011 in the pixel unit 1012. Specifically, the greater the distance between the light-emitting unit 10122 and the black matrix 10312 in the direction perpendicular to the supporting surface of the base substrate 1011, the smaller the angular range of the light emitted by the light-emitting unit 10122 that can be emitted; and the smaller the distance between the light-emitting unit and the black matrix 10312 in the direction perpendicular to the supporting surface of the base substrate 1011, the larger the angular range of the light emitted by the light-emitting unit 10122 that can be emitted.

[0179] Therefore, in order to increase the angular range of the light emitted by the light-emitting unit 10122, the sum of the thicknesses of the first organic insulating layer 104, the second organic insulating layer 1022, and the third organic insulating layer 105 can be reduced. For example, the thicknesses of the first organic insulating layer 104, the second organic insulating layer 1022, and the third organic insulating layer 105 can all be relatively small.

[0180] However, if the thickness of the first organic insulating layer 104 is relatively small, the first barrier structure 1014 or the second barrier structure 1017 may be exposed, which may result in residual touch electrode material in the first touch electrode layer 10211021 of the touch substrate 102. In the embodiment of the present application, the first filling portion 1015 and the third filling portion 1018 are provided to raise the surface of the film layer adjacent to the first barrier structure 1014 and the second barrier structure 1017. When the organic material of the first organic insulating layer 104 is leveled, the first organic insulating layer 104 can cover the first barrier structure 1014 and the second barrier structure 1017, thereby preventing residual touch electrode material and ensuring the touch performance of the touch display panel 10.

[0181] In the embodiment of the present application, the dimming unit 1013 can also be located on the side of the touch substrate 102 away from the base substrate 1011, or on the side of the color filter layer 103 away from the base substrate 1011. Of course, the touch substrate 102 can also be located on the side of the color filter layer 103 away from the base substrate 1011. In other words, the positions of the dimming unit 1013, the touch substrate 102, and the color filter layer 103 can be arbitrarily interchanged, and this embodiment of the present application does not limit this.

[0182] 4 , the touch display panel 10 further includes a fourth organic insulating layer 106 . The fourth organic insulating layer 106 is located on a side of the color filter layer 103 away from the display substrate 101 . The fourth organic insulating layer 106 can protect the color filter layer 103 .

[0183] Optionally, the materials of the first organic insulating layer 104 , the second organic insulating layer 1022 , the third organic insulating layer 105 and the fourth organic insulating layer 106 may all be optical adhesive (OC).

[0184] In summary, embodiments of the present application provide a touch display panel comprising a first filling portion located on the target side of a first barrier structure. This first filling portion acts as a cushion to allow a subsequently formed first organic insulating layer to completely cover the first barrier structure, thereby preventing residual touch electrode material from forming on the touch substrate on the side of the first organic insulating layer away from the display substrate, thereby preventing short circuits between different touch electrodes and maintaining the touch performance of the touch display panel.

[0185] Figure 17 is a partial cross-sectional diagram of a display substrate provided in an embodiment of the present application. As can be seen from Figures 1, 8, and 17, the touch display panel 10 includes a display substrate 101 and a first organic insulating layer 104 located on one side of the display substrate 101. The display substrate 101 includes a base substrate 1011, a plurality of pixel units 1012, a plurality of dimming units 1013, a first blocking structure 1014, and a first filling unit 1015.

[0186] Referring to FIG1 , a base substrate 1011 includes a display area 1011a and a peripheral area 1011b surrounding the display area 1011a. A plurality of pixel units 1012 are located on one side of the base substrate 1011, within the display area 1011a. Referring to FIG17 and FIG8 , a plurality of dimming sections 1013 are located on a side of the plurality of pixel units 1012 that is away from the base substrate 1011. A first organic insulating layer 104 is located on a side of the plurality of dimming sections 1013 that is away from the base substrate 1011. Light from the light-emitting area of ​​the pixel unit 1012 converges at the interface between the dimming section 1013 and the first organic insulating layer 104 and then exits. The dimming section 1013 and the first organic insulating layer 104 have different refractive indices.

[0187] As a possible scenario, referring to FIG2 , the refractive index of the dimming unit 1013 can be greater than the refractive index of the first organic insulating layer 104. Multiple dimming units 1013 can correspond one-to-one to multiple pixel units 1012. Each dimming unit 1013 can converge the light emitted by its corresponding pixel unit 1012 to increase the amount of light emitted by the pixel unit 1012, thereby increasing the brightness of the touch display panel 10 and improving the display effect. Optionally, the dimming unit 1013 can converge light at the edge of the pixel unit 1012 to increase the amount of forward light emitted by the pixel unit 1012.

[0188] As another possible embodiment, referring to FIG17 , the refractive index of the dimming unit 1013 may be smaller than the refractive index of the first organic insulating layer 104. The dimming unit 1013 may be located between adjacent pixel units 1012 among the plurality of pixel units 1012. The dimming unit 1013 may converge light at the edge regions of the pixel units 1012 to increase the amount of forward light emitted from the pixel units 1012.

[0189] The first blocking structure 1014 is located on one side of the base substrate 1011 and in the peripheral area 1011b. The orthographic projection of the first blocking structure 1014 on the base substrate 1011 surrounds the display area 1011a. That is, referring to FIG. 1 , the first blocking structure 1014 can surround the plurality of pixel units 1012.

[0190] It should be noted that, referring to FIG4 , the touch display panel 10 also includes a touch substrate 102 and a color filter layer 103 located on the side of the touch substrate 102 away from the display substrate 101. The color filter layer 103 includes a black matrix 10312. The orthographic projection of the black matrix 10312 on the base substrate 1011 is located between adjacent pixel units 1012, preventing light from irradiating the black matrix 10312. To reduce the distance between the pixel units 1012 and the black matrix 10312 and improve the viewing angle of light, the thickness of the first organic insulating layer 104 between the touch substrate 102 and the display substrate 101 can be designed to be thinner.

[0191] However, referring to FIG5 , if the thickness of the first organic insulating layer 104 is designed to be thin, the first organic insulating layer 104 will not be able to completely cover the first blocking structure 1014 (the top of the second blocking dam 1014210142 of the first blocking structure 1014 in FIG5 is exposed), and the edge of the first organic insulating layer 104 is relatively rough at the location where the first blocking structure 1014 is exposed. Furthermore, referring to FIG6 , the first touch electrode layer 10211021 of the touch substrate 102 is located on the side of the first organic insulating layer 104 away from the display substrate 101. However, when the touch electrode film is etched using an etching process to form the first touch electrode layer 1021, touch electrode material may remain at the location where the first blocking structure 1014 is exposed (the etching is not clean). Therefore, referring to FIG7 , this residual touch electrode material may cause different touch signal lines to short-circuit, which may in turn cause different touch electrodes to short-circuit, resulting in poor touch performance of the touch display panel 10.

[0192] In an embodiment of the present application, to address the aforementioned technical issues, with reference to FIG1 and FIG8 , the touch display panel 10 includes a first filling portion 1015 located on one side of the base substrate 1011 and on a target side of the first barrier structure 1014. The target side of the first barrier structure 1014 includes at least one of a side of the first barrier structure 1014 close to the display area 1011a and a side of the first barrier structure 1014 away from the display area 1011a.

[0193] Since the upper surface of the first barrier structure 1014 is generally higher than the upper surface of the film layer in the areas on both sides of the first barrier structure 1014, the first filling portion 1015 is provided on the target side of the first barrier structure 1014 to raise the upper surface of the film layer in the areas on both sides of the first barrier structure 1014. In other words, since the first filling portion 1015 can have a certain thickness, the step difference between the upper surface of the first barrier structure 1014 and the upper surface of the film layer in the areas on both sides of the first barrier structure 1014 can be reduced.

[0194] As a result, the first organic insulating layer 104 formed on the display substrate 101 can cover the first barrier structure 1014, preventing the top of the first barrier structure 1014 from being exposed. In other words, the first organic insulating layer 104 is a continuous film layer. When the first touch electrode layer 10211021 in the touch substrate 102 is subsequently formed, no touch electrode material residue remains. This prevents short circuits between different touch signal lines and, in turn, between different touch electrodes, thereby ensuring the touch performance of the touch display panel 10.

[0195] In the embodiment of the present application, the first filling portion 1015 can be located in the same layer as the multiple dimming portions 1013. "Located in the same layer" can mean that they are made of the same material and are fabricated using a single patterning process. By locating the first filling portion 1015 and the multiple dimming portions 1013 in the same layer, the number of process steps in fabricating the touch display panel 10 can be reduced, thereby improving fabrication efficiency.

[0196] In the embodiment of the present application, the touch substrate 102 may include a touch electrode layer (e.g., the first touch electrode layer 1021 and the second touch electrode layer 1022 in FIG. 15 ). The touch electrode layer may include touch electrodes (e.g., the first touch electrode s1 and the second touch electrode s2 in FIG. 16 ), and touch signal lines electrically connected to the touch electrodes (e.g., the first touch signal line and the second touch signal line in FIG. 16 ).

[0197] The orthographic projection of the touch signal line on the base substrate 1011 at least partially overlaps with the orthographic projection of the first blocking structure 1014 on the base substrate 1011. At the overlapping position of the touch signal line and the first blocking structure 1014, the extension direction of the touch signal line intersects with the extension direction of the first blocking structure 1014. For example, the extension direction of the touch signal line is perpendicular to the extension direction of the first blocking structure 1014.

[0198] The orthographic projection of the touch signal line on the base substrate 1011 at least partially overlaps with the orthographic projection of the first filling portion 1015 on the base substrate 1011. At the overlapping position of the touch signal line and the first filling portion 1015, the extension direction of the touch signal line intersects with the extension direction of the first filling portion 1015. For example, the extension direction of the touch signal line is perpendicular to the extension direction of the first filling portion 1015.

[0199] In summary, embodiments of the present application provide a touch display panel comprising a first filling portion located on the target side of a first barrier structure. This first filling portion acts as a cushion to allow a subsequently formed first organic insulating layer to completely cover the first barrier structure, thereby preventing residual touch electrode material from forming on the touch substrate on the side of the first organic insulating layer away from the display substrate, thereby preventing short circuits between different touch electrodes and maintaining the touch performance of the touch display panel.

[0200] It should be noted that, since other relevant features in the embodiments of the present application can be found in the specific description of the above embodiments, they will not be repeated here for the purpose of brevity.

[0201] FIG18 is a schematic diagram of the structure of a display device provided in an embodiment of the present application. Referring to FIG18 , the display device may include: a power supply component 20 and the touch display panel 10 provided in the above embodiment. The power supply component 20 may be used to supply power to the touch display panel 10.

[0202] Optionally, the display device can be an OLED display device, a quantum dot light emitting diode (QLED) display device, electronic paper, a mobile phone, a tablet computer, a television, a monitor, a laptop computer, a digital photo frame or a navigator, or any other product or component with a display function and a fingerprint recognition function.

[0203] For example, the display device is an active-matrix organic light emitting diode (AMOLED) display panel.

[0204] Since the display device can have substantially the same technical effects as the light-emitting module described in the previous embodiment, the technical effects of the display device will not be repeatedly described here for the purpose of brevity.

[0205] The terms used in the embodiments of this application are only used to explain the embodiments of this application and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in the embodiments of this application should have the common meaning understood by people with ordinary skills in the field to which this application belongs.

[0206] The terms used in the embodiments of this application are intended solely to illustrate the embodiments of this application and are not intended to limit this application. Unless otherwise defined, technical or scientific terms used in the embodiments of this application should have the same ordinary meaning as those understood by persons of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and similar terms used in this patent specification and claims do not denote any order, quantity, or importance, but are simply used to distinguish between different components. Similarly, terms such as "a" or "an" do not denote a limitation of quantity, but rather denote the presence of at least one. Terms such as "include" or "comprising" and similar terms mean that the elements or objects listed before "include" or "comprising" include the elements or objects listed after "include" or "comprising," and their equivalents, and do not exclude other elements or objects. Terms such as "connected" or "connected" are not limited to physical or mechanical connections but may include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used solely to indicate relative positions. When the absolute position of the described objects changes, the relative positions may also change accordingly.

[0207] The above description is merely an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A touch display panel, characterized in that: The touch display panel (10) comprises: a display substrate (101); the display substrate (101) comprises: A base substrate (1011), wherein the base substrate (1011) has a display area (1011a) and a peripheral area (1011b) surrounding the display area (1011a); A plurality of pixel units (1012) located on one side of the base substrate (1011), the plurality of pixel units (1012) being located in the display area (1011a); a plurality of dimming sections (1013) located on a side of the plurality of pixel units (1012) away from the base substrate (1011), the orthographic projection of each of the dimming sections (1013) on the base substrate (1011) covering the orthographic projection of a light emitting area of ​​a corresponding pixel unit (1012) on the base substrate (1011), and light from the light emitting area being emitted through the dimming section (1013); a first blocking structure (1014) located on one side of the base substrate (1011), the first blocking structure (1014) being located in the peripheral area (1011b), and an orthographic projection of the first blocking structure (1014) on the base substrate (1011) surrounding the display area (1011a); and a first filling portion (1015) located on one side of the base substrate (1011), the first filling portion (1015) being located on a target side of the first blocking structure (1014), the target side of the first blocking structure (1014) comprising at least one of a side of the first blocking structure (1014) close to the display area (1011a) and a side of the first blocking structure (1014) far from the display area (1011a); Wherein, the first filling part (1015) and the plurality of dimming parts (1013) are located in the same layer.

2. The touch display panel according to claim 1, characterized in that: In the film layer structure included in the display substrate (101), the total thickness of the film layer structure located on the target side of the first blocking structure (1014) is smaller than the total thickness of the film layer structure at the location where the first blocking structure (1014) is located.

3. The touch display panel according to claim 2, characterized in that: The first blocking structure (1014) comprises: a first blocking dam (10141) and a second blocking dam (10142), the first blocking dam (10141) being closer to the display area (1011a) than the second blocking dam (10142), and the height of the first blocking dam (10141) being smaller than the height of the second blocking dam (10142); The total thickness of the film layer structure between the first blocking dam (10141) and the second blocking dam (10142), as well as the total thickness of the film layer structure on the side of the second blocking dam (10142) away from the display area (1011a), are both smaller than the total thickness of the film layer structure at the location of the first blocking dam (10141); The first filling portion (1015) is located between the first blocking dam (10141) and the second blocking dam (10142), and is located on a side of the second blocking dam (10142) away from the display area (1011a).

4. The touch display panel according to claim 3, characterized in that: The total thickness of the film layer structure on the side of the first blocking dam (10141) close to the display area (1011a) is greater than the total thickness of the film layer structure at the location where the first blocking dam (10141) is located, and the first filling portion (1015) is not located on the side of the first blocking dam (10141) close to the display area (1011a).

5. The touch display panel according to any one of claims 1 to 4, characterized in that: The orthographic projection of the dimming unit (1013) on a reference plane is approximately a regular trapezoidal structure, the reference plane is perpendicular to the bearing surface of the base substrate (1011), and the regular trapezoidal structure has a first surface on a side close to the base substrate (1011), a second surface on a side away from the base substrate (1011), and a side surface connecting the first surface and the second surface; The light irradiated to the side surface is converged and then emitted.

6. The touch display panel according to any one of claims 1 to 5, characterized in that: The area of ​​the orthographic projection of the dimming unit (1013) on the base substrate (1011) is positively correlated with the area of ​​the corresponding light-emitting region of the pixel unit (1012).

7. The touch display panel according to claim 6, characterized in that: The plurality of pixel units (1012) include: a plurality of first pixel units, a plurality of second pixel units and a plurality of third pixel units; the plurality of dimming units (1013) include: a plurality of first dimming units corresponding to the plurality of first pixel units, a plurality of second dimming units corresponding to the plurality of second pixel units, and a plurality of third dimming units corresponding to the plurality of third pixel units; The light emitting area of ​​the first pixel unit is larger than the light emitting area of ​​the second pixel unit. The area of ​​the light-emitting area of ​​the second pixel unit is greater than the area of ​​the light-emitting area of ​​the third pixel unit; the area of ​​the orthographic projection of the first dimming unit on the base substrate (1011) is greater than the area of ​​the orthographic projection of the second dimming unit on the base substrate (1011), and the area of ​​the orthographic projection of the second dimming unit on the base substrate (1011) is greater than the area of ​​the orthographic projection of the third dimming unit on the base substrate (1011).

8. The touch display panel according to claim 7, characterized in that: The touch display panel comprises: a plurality of second filling parts (1016); The plurality of second filling portions (1016) are located between the display area (1011a) and the first blocking structure (1014), and the plurality of second filling portions (1016) are closer to the display area (1011a) than the first blocking structure (1014).

9. The touch display panel according to claim 8, characterized in that: The plurality of second filling parts (1016) include: a plurality of first sub-filling parts, a plurality of second sub-filling parts and a plurality of third sub-filling parts; The orthographic projection of the first sub-filling portion on the base substrate (1011) is equal to the area and shape of the orthographic projection of the first dimming portion on the base substrate (1011); the orthographic projection of the second sub-filling portion on the base substrate (1011) is equal to the area and shape of the orthographic projection of the second dimming portion on the base substrate (1011); and the orthographic projection of the third sub-filling portion on the base substrate (1011) is equal to the area and shape of the orthographic projection of the third dimming portion on the base substrate (1011); The arrangement of the plurality of second filling parts (1016) and the plurality of dimming parts (1013) is the same, and the plurality of second filling parts (1016) and the plurality of dimming parts (1013) are located in the same layer.

10. The touch display panel according to any one of claims 1 to 9, characterized in that: The touch display panel further comprises: a first organic insulating layer (104) located on a side of the plurality of dimming parts (1013) and the first filling part (1015) away from the base substrate (1011); The refractive index of the dimming portion (1013) is greater than the refractive index of the first organic insulating layer (104), and light irradiated to the interface between the dimming portion (1013) and the first organic insulating layer (104) is converged.

11. The touch display panel according to any one of claims 1 to 10, characterized in that: The base substrate (1011) further comprises a hole area (1011c) and a transition area (1011d) surrounding the hole area (1011c), and the display area (1011a) surrounds the transition area (1011d); the display substrate (101) further comprises: a second blocking structure (1017) located on one side of the base substrate (1011), the second blocking structure (1017) being located in the transition area (1011d), and an orthographic projection of the second blocking structure (1017) on the base substrate (1011) surrounding the hole area (1011c); and, a third filling portion (1018) located on one side of the substrate (1011), the third filling portion (1018) being located on a target side of the second blocking structure (1017), the target side of the second blocking structure (1017) comprising at least one of a side of the second blocking structure (1017) close to the hole area (1011c) and a side of the second blocking structure (1017) away from the hole area (1011c); Wherein, the third filling part (1018) and the plurality of dimming parts (1013) are located in the same layer.

12. The touch display panel according to claim 11, characterized in that: The second blocking structure (1017) comprises: a third blocking dam (10171) and at least one fourth blocking dam (10172) which are sequentially arranged away from the display area (1011a); The thickness of the film layer structure between any two adjacent barrier dams of the third barrier dam (10171) and the at least one fourth barrier dam (10172) is smaller than the thickness of the film layer structure at the location of any barrier dam of the third barrier dam (10171) and the fourth barrier dam (10172); Wherein, the third filling portion (1018) is located between any two adjacent barrier dams among the third barrier dam (10171) and the at least one fourth barrier dam (10172).

13. The touch display panel according to claim 12, characterized in that: The display substrate (101) further comprises: a first organic functional layer (M) located on one side of the base substrate (1011), the first organic functional layer (M) being located in the display area (1011a) and the transition area (1011d); the display substrate (101) further comprises: a first isolation column (1019a) located on one side of the third blocking dam (10171) close to the display area (1011a), and a second isolation column (1019b) located between the third blocking dam (10171) and the at least one fourth blocking dam (10172); The first organic functional layer (M) is broken at at least one of the first isolation column (1019a) and the second isolation column (1019b).

14. The touch display panel according to claim 13, characterized in that: The display substrate (101) comprises: a buffer layer (n1), an active layer (n2), a first gate insulating layer (n3), a first gate layer (n4), a second gate insulating layer (n5), a second gate layer (n6), an interlayer dielectric layer (n7), a first source-drain electrode layer (n8), a first flat layer (n9), a second source-drain electrode layer (n10), a second flat layer (n11), an anode layer (n12), a pixel defining layer (n13), a supporting layer (n14), a light-emitting film layer (n15), a cathode layer (n16) and a packaging film layer (n17) which are sequentially stacked in a direction away from the base substrate (1011); The light-emitting film layer (n15) comprises the first organic functional layer (M), a second organic functional layer and a light-emitting pattern, the first organic functional layer (M) comprises at least a hole transport layer and an electron transport layer, and the second organic functional layer comprises at least a hole injection layer and an electron injection layer; The encapsulation film layer (n17) includes a first inorganic encapsulation layer (n171), an organic encapsulation layer (n172) and a second inorganic encapsulation layer (n173) stacked in sequence, the first inorganic encapsulation layer (n171) and the second inorganic encapsulation layer (n173) are located in the display area (1011a), the peripheral area (1011b), and the transition area (1011d), and the organic encapsulation layer (n172) is located in the display area (1011a).

15. The touch display panel according to claim 14, characterized in that: The first isolation column (1019a) and the second isolation column (1019b) both include at least a target film layer (H); The target film layer (H) is located on the first source and drain electrode layer (n8), and the orthographic projection of the target film layer (H) on the reference plane is in the shape of an I, and the reference plane is perpendicular to the supporting surface of the base substrate (1011).

16. The touch display panel according to claim 15, characterized in that: The target film layer (H) comprises: a first metal layer, a second metal layer, and a third metal layer stacked in sequence in a direction away from the base substrate (1011); The etching rate of the second metal layer is greater than that of the first metal layer, and greater than that of the third metal layer.

17. The touch display panel according to any one of claims 1 to 16, characterized in that: The touch display panel (10) further comprises: a touch substrate (102); the touch substrate (102) comprises a first touch electrode layer (1021), a second organic insulating layer (1022) and a second touch electrode layer (1023) which are located on the light-emitting side of the display substrate (101) and are stacked in sequence; One of the first touch electrode layer (1021) and the second touch electrode layer (1023) comprises a plurality of bridging electrodes of first touch electrodes, the other of the first touch electrode layer (1021) and the second touch electrode layer (1023) comprises a plurality of main electrodes of the first touch electrodes and a plurality of second touch electrodes, and the bridging electrode and the main electrodes are electrically connected via via holes in the second organic insulating layer (1022); Wherein, the material of the second organic insulating layer (1022) is an organic material.

18. The touch display panel according to claim 17, characterized in that: The touch control substrate (102) further comprises: a plurality of first touch control signal lines (1026) and a plurality of second touch control signal lines (1027); Each of the first touch signal lines (1026) is connected to one of the first touch electrodes, and each of the second touch signal lines (1027) is connected to one of the second touch electrodes; The orthographic projection of each of the plurality of first touch signal lines (1026) and the plurality of second touch signal lines (1027) on the base substrate (1011) at least partially overlaps with the orthographic projection of the first blocking structure (1014) on the base substrate (1011), and the orthographic projection of the first filling portion (1015) on the base substrate (1011) at least partially overlaps.

19. The touch display panel according to claim 18, characterized in that: At the overlapping position of the touch signal line and the first blocking structure (1014), the extension direction of the touch signal line and the extension direction of the first blocking structure (1014) intersect; At the overlapping position of the touch signal line and the first filling portion (1015), the extension direction of the touch signal line and the extension direction of the first filling portion (1015) intersect.

20. The touch display panel according to claim 17, characterized in that: The touch display panel (10) further comprises: a third organic insulating layer (105) and a color filter layer (103) located on a side of the touch substrate (102) away from the display substrate (101); The color filter layer (103) comprises a plurality of color resist blocks (10311) and a black matrix (10312) located between adjacent color resist blocks (10311), wherein the orthographic projection of each color resist block (10311) on the base substrate (1011) covers the light emitting area of ​​a corresponding pixel unit (1012).

21. A touch display panel, characterized in that: The touch display panel (10) comprises: a display substrate (101) and a first organic insulating layer (104) located on one side of the display substrate (101); the display substrate (101) comprises: A base substrate (1011), wherein the base substrate (1011) has a display area (1011a) and a peripheral area (1011b) surrounding the display area (1011a); A plurality of pixel units (1012) located on one side of the base substrate (1011), the plurality of pixel units (1012) being located in the display area (1011a); A plurality of dimming sections (1013) are located on a side of the plurality of pixel units (1012) away from the base substrate (1011); the first organic insulating layer (104) is located on a side of the plurality of dimming sections (1013) away from the base substrate (1011); light from a light-emitting area of ​​the pixel unit (1012) is converged at an interface between the dimming section (1013) and the first organic insulating layer (104) and then emitted; and the refractive index of the dimming section (1013) and the first organic insulating layer (104) are different; a first blocking structure (1014) located on one side of the base substrate (1011), the first blocking structure (1014) being located in the peripheral area (1011b), and an orthographic projection of the first blocking structure (1014) on the base substrate (1011) surrounding the display area (1011a); and a first filling portion (1015) located on one side of the base substrate (1011), the first filling portion (1015) being located on a target side of the first blocking structure (1014), the target side of the first blocking structure (1014) comprising at least one of a side of the first blocking structure (1014) close to the display area (1011a) and a side of the first blocking structure (1014) far from the display area (1011a); Wherein, the first filling part (1015) and the plurality of dimming parts (1013) are located in the same layer.

22. The touch display panel according to claim 21, characterized in that: The touch display panel (10) further comprises: a touch substrate (102) located on a side of the first organic insulating layer (104) away from the display substrate (101); the touch substrate (102) comprises a touch electrode layer; the touch electrode layer comprises touch electrodes and touch signal lines electrically connected to the touch electrodes; The orthographic projection of the touch signal line on the base substrate (1011) at least partially overlaps with the orthographic projection of the first blocking structure (1014) on the base substrate (1011), and at least partially overlaps with the orthographic projection of the first filling portion (1015) on the base substrate (1011); At the overlapping position of the touch signal line and the first blocking structure, the extension of the touch signal line The extension direction of the touch signal line intersects with the extension direction of the first blocking structure (1014); at the overlapping position of the touch signal line and the first filling portion (1015), the extension direction of the touch signal line intersects with the extension direction of the first filling portion (1015).

23. A display device, characterized in that: The display device comprises: a power supply component (20) and a touch display panel (10) according to any one of claims 1 to 22; Wherein, the power supply component (20) is used to supply power to the touch display panel (10).

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