WO2024120183A1

WO2024120183A1 - Display panel and display apparatus

Info

Publication number: WO2024120183A1
Application number: PCT/CN2023/132958
Authority: WO
Inventors: 巩厚富; 罗垒垒; 靳增建
Original assignee: 武汉华星光电半导体显示技术有限公司
Priority date: 2022-12-08
Filing date: 2023-11-21
Publication date: 2024-06-13
Also published as: CN115811918A

Abstract

Disclosed in the present application are a display panel and a display apparatus. In the present application, first touch wires are provided inside a shielding layer, the first touch wires extending from a first frame area to a second frame area; a first end of each first touch electrode is electrically connected to a first end of a first touch lead; a second end of each first touch lead is electrically connected to a first end of a first touch wire located inside the first frame area; and a second end of each first touch wire located in the second frame area is electrically connected to a second touch lead.

Description

Display panel and display device

Technical Field

The present application belongs to the field of display technology, and specifically relates to a display panel and a display device.

Background technique

Organic light emitting diode (OLED) is a photoelectric technology that uses organic semiconductor materials to produce reversible color change under current drive to achieve colorful display. OLED has the advantages of lightness, high brightness, active light emission, low energy consumption, wide viewing angle, fast response, flexibility, wide operating temperature range, low voltage requirement, high power saving efficiency, fast response, simple structure, low cost, and almost infinite contrast, and is considered to be the most promising new generation display technology.

As OLED display panels are applied to medium and large-sized products such as foldable phones/tablets/laptops, touch technology also needs to be adapted. Touch package integrated (English full name: Direct On Cell Touch, referred to as DOT) technology is a touch technology that directly makes the touch layer on the package layer. Compared with external touch technology, DOT technology has problems such as longer capacitor charging time RC and poor touch performance, which leads to bottlenecks in the use of DOT technology in medium and large-sized products.

In order to use DOT technology on medium and large size products, the 2T2R (two sets of transmit traces Tx, two sets of receive traces Rx) architecture is generally used to reduce the charging time RC of the capacitor. Using two sets of Rx traces can reduce the charging time of the capacitor to 1/4 of the original time compared to one set of Rx traces.

However, the current 2T2R architecture requires pulling out a set of Rx traces from the bottom frame of the product and another set of Rx traces from the top frame of the product. The set of Rx traces on the top frame will occupy the positions of the top, left and right frames, causing the width of the top, left and right frames of the product to increase, which is not conducive to the narrow frame design of the product.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a display panel and a display device, which can solve the problems that the frame size is large and cannot meet the narrow frame design requirements when the 2T2R technology is used in the prior art to reduce the capacitor charging time.

In order to solve the above technical problems, the present application provides a display panel. The display panel includes a display area and a frame area surrounding the display area; the frame area includes a first frame area and a second frame area arranged opposite to each other;

The display panel comprises:

Substrate;

a shielding layer, disposed on the substrate; and

The shielding layer includes: a plurality of first touch lines extending along a first direction, a first end of the first touch line being disposed in the first frame area, and a second end of the first touch line being disposed in the second frame area;

A touch layer, disposed on a side of the shielding layer away from the substrate;

The touch layer comprises:

a plurality of first touch electrodes, all extending along the first direction and disposed in the display area; and

A plurality of first touch leads are arranged corresponding to the first touch electrodes one by one and are arranged in the first border area; a first end of each of the first touch leads is electrically connected to the first end of the first touch electrode, and a second end of each of the first touch leads is electrically connected to the first end of the first touch wiring through a first via hole.

The present application also provides a display device, including a display panel. The display panel has a display area and a frame area surrounding the display area; the frame area includes a first frame area and a second frame area arranged opposite to each other;

The display panel comprises:

Substrate;

a shielding layer, disposed on the substrate; and

The touch layer comprises:

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic plan view of a display panel of the present application;

Fig. 2 is a schematic diagram of the A-A section in Fig. 1;

FIG3 is a schematic plan view of a shielding layer of the present application;

Fig. 4 is a schematic diagram of the B-B cross section in Fig. 1;

FIG5 is a schematic diagram of the C-C cross section in FIG1.

Description of reference numerals:

100, display panel; 101, display area; 102, frame area; 1021, first frame area; 1022, second frame area; 1023, third frame area; 1024, fourth frame area; 1, substrate; 2, shielding layer; 3, barrier layer; 4, buffer layer; 5, thin film transistor layer; 6, first flat layer; 7, first conductive layer; 8, second flat layer; 9, light emitting layer; 10, encapsulation layer; 11, touch layer; 12, first via hole; 13, second via hole; 21, first touch line; 22, shielding unit; 221, first shielding unit; 2 22. Second shielding unit; 51. Thin film transistor device; 511. Active layer; 512. First gate insulating layer; 513. First gate; 514. Second gate insulating layer; 515. Second gate; 516. Interlayer insulating layer; 517. Source and drain layer; 5171. Source; 5172. Drain; 5173. Conductive unit; 71. Second touch lead; 111. First touch electrode; 112. First touch lead; 113. Second touch routing; 114. Second touch electrode; 115. Third touch routing; 116. Fourth touch routing.

Embodiments of the present invention

The following detailed description of the embodiments of the present application is made in conjunction with the accompanying drawings in the specification to fully introduce the technical content of the present application to those skilled in the art, to illustrate that the present application can be implemented, to make the technical content disclosed in the present application clearer, and to make it easier for those skilled in the art to understand how to implement the present application. However, the present application can be embodied through many different forms of embodiments, and the protection scope of the present application is not limited to the embodiments mentioned in the text, and the description of the embodiments below is not intended to limit the scope of the present application.

The directional terms mentioned in this application, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., are only directions in the drawings. The directional terms used in this article are used to explain and illustrate this application, and are not used to limit the scope of protection of this application.

In the drawings, components with the same structure are represented by the same numerical labels, and components with similar structures or functions are represented by similar numerical labels. In addition, for the convenience of understanding and description, the size and thickness of each component shown in the drawings are arbitrarily shown, and the present application does not limit the size and thickness of each component.

The embodiment of the present application provides a display panel. The display panel includes a display area and a frame area surrounding the display area; the frame area includes a first frame area and a second frame area arranged opposite to each other;

The display panel comprises:

Substrate;

a shielding layer, disposed on the substrate; and

The touch layer comprises:

In a display panel provided in an embodiment of the present application, the display panel further includes:

A thin film transistor layer, disposed between the shielding layer and the touch control layer; and

A first conductive layer, disposed between the thin film transistor layer and the touch control layer;

The first conductive layer includes: a plurality of second touch control leads, arranged in the second frame area;

The second end of each of the first touch-control traces is electrically connected to the second touch-control lead.

In the display panel provided in one embodiment of the present application, the thin film transistor layer includes a plurality of thin film transistor devices arranged in an array; each of the thin film transistor devices includes an active layer arranged on a side of the shielding layer away from the substrate;

The shielding layer further includes a shielding unit correspondingly arranged between the active layer and the substrate;

The shielding unit comprises:

A plurality of first shielding units extending along the first direction; and

A plurality of second shielding units extend along a second direction intersecting with the first direction.

In the display panel provided in an embodiment of the present application, the projection of the first touch-sensing trace on the substrate does not overlap with the projection of the shielding unit on the substrate.

In the display panel provided in one embodiment of the present application, each of the thin film transistor devices further includes:

A source-drain electrode layer, disposed on the active layer; the source-drain electrode layer comprises a source electrode, a drain electrode and a conductive unit spaced apart from each other;

The first touch control wiring is electrically connected to the conductive unit through a second via hole, and the conductive unit is electrically connected to the second touch control lead through a third via hole.

In the display panel provided in an embodiment of the present application, the second via hole penetrates from a surface of the conductive unit close to the substrate to a surface of the first touch wiring away from the substrate.

In a display panel provided in an embodiment of the present application, the first via hole penetrates from a surface of the touch layer close to the substrate to a surface of the first touch trace away from the substrate.

In the display panel provided in one embodiment of the present application, the touch layer further includes:

A plurality of second touch control traces are arranged corresponding to the first touch control electrodes one by one and are arranged in the second frame area; each of the second touch control traces is electrically connected to the second end of the first touch control electrode.

In the display panel provided in an embodiment of the present application, the frame area further includes a third frame area and a fourth frame area which are arranged opposite to each other, and the third frame area and the fourth frame area are arranged between the first frame area and the second frame area;

The touch layer further includes:

a plurality of second touch control electrodes extending along a second direction intersecting with the first direction and insulated from the first touch control electrodes;

a plurality of third touch control traces, which are electrically connected to the first ends of the second touch control electrodes, are disposed in the third frame area, and extend to the second frame area; and

A plurality of fourth touch control traces are electrically connected to the second ends of the second touch control electrodes, are disposed in the fourth frame area, and extend to the second frame area.

In a display panel provided in an embodiment of the present application, the first touch electrodes are receiving electrodes, and the second touch electrodes are sending electrodes.

In a display panel provided in an embodiment of the present application, the first touch electrodes are transmitting electrodes, and the second touch electrodes are receiving electrodes.

The display panel comprises:

Substrate;

a shielding layer, disposed on the substrate; and

The touch layer comprises:

In the display device provided in one embodiment of the present application, the display panel further includes:

In the display device provided in one embodiment of the present application, the thin film transistor layer includes a plurality of thin film transistor devices arranged in an array; each of the thin film transistor devices includes an active layer arranged on a side of the shielding layer away from the substrate;

The shielding unit comprises:

A plurality of first shielding units extending along the first direction; and

In a display device provided in an embodiment of the present application, a projection of the first touch-control trace on the substrate does not overlap with a projection of the shielding unit on the substrate.

In the display device provided in one embodiment of the present application, each of the thin film transistor devices further includes:

In a display device provided in an embodiment of the present application, the second via hole penetrates from a surface of the conductive unit close to the substrate to a surface of the first touch wiring away from the substrate.

In a display device provided in an embodiment of the present application, the first via hole penetrates from a surface of the touch layer close to the substrate to a surface of the first touch trace away from the substrate.

In the display device provided in one embodiment of the present application, the touch layer further includes:

In the display device provided in an embodiment of the present application, the frame area further includes a third frame area and a fourth frame area which are arranged opposite to each other, and the third frame area and the fourth frame area are arranged between the first frame area and the second frame area;

The touch layer further includes:

The display panel and display device provided by the embodiments of the present application. The first end of the first touch electrode of the display panel is electrically connected to the first end of the first touch lead, the second end of the first touch lead is electrically connected to the first end of the first touch routing, and the second end of the first touch routing is electrically connected to the second touch lead. The first touch routing of the present application is arranged in the same layer as the shielding unit and the first touch routing extends from the first frame area to the second frame area. Compared with the first touch routing in the prior art occupying the first frame area, the third frame area and the fourth frame area and going around to the second frame area, the width of the first frame area, the third frame area and the fourth frame area can be reduced, thereby meeting the user's demand for a narrow frame design.

The second touch line of the present application is arranged in the second frame area and is electrically connected to the second end of the first touch electrode. Compared with a group of touch lines in the prior art, the combination of the first touch line and the second touch line can reduce the charging time of the capacitor and improve the touch performance.

Example 1

As shown in FIG1 , the present application provides a display device, which includes a display panel 100 .

As shown in FIG1 , the display panel 100 includes a display area 101 and a frame area 102 surrounding the display area 101. The frame area 102 includes: a first frame area 1021, a second frame area 1022, a third frame area 1023 and a fourth frame area 1024. The first frame area 1021 and the second frame area 1022 are arranged opposite to each other, and the third frame area 1023 and the fourth frame area 1024 are arranged opposite to each other. The third frame area 1023 and the fourth frame area 1024 are both connected between the first frame area 1021 and the second frame area 1022.

As shown in FIG. 2 , the display panel 100 includes: a substrate 1 , a shielding layer 2 , a barrier layer 3 , a buffer layer 4 , a thin film transistor layer 5 , a first planar layer 6 , a first conductive layer 7 , a second planar layer 8 , a light emitting layer 9 , an encapsulation layer 10 and a touch layer 11 .

The material of the substrate 1 includes glass, polyimide, polycarbonate, polyethylene terephthalate, polyethylene naphthalate, etc. In this embodiment, the material of the substrate 1 is polyimide, so the substrate 1 has good impact resistance and can effectively protect the display panel 100 .

As shown in FIG3 , the shielding layer 2 is disposed on the substrate 1 . The shielding layer 2 includes: a plurality of first touch control traces 21 and a shielding unit 22 .

The first touch line 21 extends along the first direction M, a first end of the first touch line 21 is disposed in the first frame area 1021 , and a second end of the first touch line 21 is disposed in the second frame area 1022 .

Wherein, the shielding unit 22 is arranged corresponding to the active layer of the thin film transistor device in the thin film transistor layer. The shielding unit 22 shields the electric field formed by the non-coincidence of the charge centers of the positive and negative ions inside the substrate 1 and the electric field formed at the interface of different film layers, so as to avoid the electric field affecting the working characteristics of the active layer, and avoid the display afterimage phenomenon and electrostatic discharge (English full name: Electro-Static Discharge, referred to as ESD) phenomenon. Wherein, the shielding unit 22 includes: a plurality of first shielding units 221 and a plurality of second shielding units 222. The first shielding unit 221 extends along the first direction M; the plurality of second shielding units 222 extend along the second direction N intersecting with the first direction M. In this embodiment, the first direction M and the second direction N are perpendicular to each other.

The projection of the first touch-sensing trace 21 on the substrate 1 does not overlap with the projection of the shielding unit 22 on the substrate 1. In other words, the first touch-sensing trace 21 and the shielding unit 22 are spaced apart and insulated from each other.

Wherein, the blocking layer 3 is arranged on the shielding layer 2 .

The buffer layer 4 is disposed on the side of the barrier layer away from the substrate 1. The buffer layer 4 mainly plays a buffering role, and its material includes one or more combinations of silicon oxide (SiOx), silicon nitride (SiNx) or silicon oxynitride (SiNOx). The buffer layer 4 is a single-layer or multi-layer structure, for example, the buffer layer 4 is a stacked structure combination of multiple layers of silicon oxide (SiOx), silicon nitride (SiNx) or silicon oxynitride (SiNOx).

The thin film transistor layer 5 is disposed on a side of the buffer layer 4 away from the substrate 1. The thin film transistor layer 5 includes a plurality of thin film transistor devices 51 arranged in an array.

As shown in FIG. 2 , each of the thin film transistor devices 51 includes an active layer 511 , a first gate insulating layer 512 , a first gate electrode 513 , a second gate insulating layer 514 , a second gate electrode 515 , an interlayer insulating layer 516 and a source-drain electrode layer 517 .

The first gate insulating layer 512 is arranged on the side of the active layer 511 away from the substrate 1, and extends to cover the buffer layer 4. The first gate insulating layer 512 is mainly used to prevent the contact between the active layer 511 and the first gate 513 from causing a short circuit. The material of the first gate insulating layer 512 includes one or more of silicon oxide (SiOx), silicon nitride (SiNx) or aluminum oxide (Al2O3). The first gate insulating layer 512 is a single-layer or multi-layer structure, for example, the first gate insulating layer 512 is a stacked structure combination of multiple layers of silicon oxide (SiOx), silicon nitride (SiNx) or silicon oxynitride (SiNOx).

The first gate 513 is arranged on a side of the first gate insulating layer 512 away from the substrate 1. The material of the first gate 513 includes one or more of molybdenum (Mo), aluminum (Al), copper (Cu), indium zinc oxide (IZO), indium tin oxide (ITO), and may also include molybdenum titanium nickel alloy (MoTiNi), nickel chromium alloy (NiCr) or copper niobium alloy (CuNb). The first gate 513 may be a single-layer structure, or a double-layer stack of molybdenum and aluminum, a double-layer stack of molybdenum and copper, a three-layer stack of molybdenum, copper and indium zinc oxide, a three-layer stack of indium zinc oxide, copper and indium tin oxide, a three-layer stack of molybdenum, copper and indium tin oxide, a three-layer stack of nickel, copper and nickel, a three-layer stack of molybdenum titanium nickel alloy, copper and molybdenum titanium nickel alloy, or a three-layer stack of nickel chromium alloy, copper and nickel chromium alloy, etc.

The second gate insulating layer 514 is arranged on the side of the first gate 513 away from the substrate 1, and extends to cover the first gate insulating layer 512. The second gate insulating layer 514 is mainly used to prevent the first gate 513 and the second gate 515 from short-circuiting. The material of the second gate insulating layer 514 includes one or more of silicon oxide, silicon nitride or aluminum oxide. The second gate insulating layer 514 is a single-layer or multi-layer structure, for example, the first gate insulating layer 512 is a stacked structure of multiple layers of silicon oxide, silicon nitride or silicon oxynitride.

Among them, the second gate 515 is arranged on the side of the second gate insulating layer 514 away from the substrate 1. The second gate 515 is used to couple with the first gate 513 to form a storage capacitor Cst. The material of the second gate 515 includes one or more of molybdenum, aluminum, copper, indium zinc oxide, and indium tin oxide, and may also include molybdenum-titanium-nickel alloy, nickel-chromium alloy, or copper-niobium alloy, etc. The first gate 513 can be a single-layer structure, or a double-layer stack of molybdenum and aluminum, a double-layer stack of molybdenum and copper, or a three-layer stack of molybdenum, copper and indium zinc oxide, or a three-layer stack of indium zinc oxide, copper and indium tin oxide, or a three-layer stack of molybdenum, copper and indium tin oxide, or a three-layer stack of nickel, copper and nickel, or a three-layer stack of molybdenum-titanium-nickel alloy, copper and molybdenum-titanium-nickel alloy, or a three-layer stack of nickel-chromium alloy, copper and nickel-chromium alloy, etc.

The interlayer insulating layer 516 is disposed on a side of the second gate 515 away from the substrate 1, and extends to cover the second gate insulating layer 514. The material of the interlayer insulating layer 516 includes one or more of silicon oxide, silicon nitride or silicon oxynitride.

The source-drain electrode layer 517 is disposed on a side of the interlayer insulating layer 516 away from the substrate 1. The source-drain electrode layer 517 includes a source electrode 5171, a drain electrode 5172 and a conductive unit 5173 that are spaced apart from each other. The source electrode 5171 and the drain electrode 5172 are electrically connected to two ends of the active layer 511, respectively.

The first planar layer 6 covers the source-drain electrode layer 517. The material of the first planar layer 6 may include one or a combination of silicon oxide, silicon nitride or silicon oxynitride.

The first conductive layer 7 is disposed on a side of the first flat layer 6 away from the substrate 1 . The first conductive layer 7 includes a plurality of second touch control leads 71 . The second touch control leads 71 are disposed in the second border area 1022 .

The second planar layer 8 covers the first conductive layer 7. The material of the second planar layer 8 may include one or a combination of silicon oxide, silicon nitride or silicon oxynitride.

The light emitting layer 9 is disposed on the side of the second flat layer 8 away from the substrate 1. The light emitting layer 9 includes: an anode (not shown), a light emitting unit (not shown) and a cathode (not shown) and other film layer structures.

The encapsulation layer 10 is disposed on the side of the light emitting layer 9 away from the substrate 1. The encapsulation layer 10 includes: a first inorganic encapsulation layer (not shown), an organic encapsulation layer (not shown), a second inorganic encapsulation layer (not shown) and other film structures.

As shown in FIG. 2 , FIG. 4 and FIG. 5 , the touch layer 11 is disposed on a side of the packaging layer 10 away from the substrate 1. The touch layer 11 includes: a plurality of first touch electrodes 111, a plurality of first touch leads 112, a plurality of second touch traces 113, a plurality of second touch electrodes 114, a plurality of third touch traces 115 and a plurality of fourth touch traces 116. In this embodiment, the first touch electrodes 111 are receiving electrodes, and the second touch electrodes 114 are sending electrodes. In other embodiments, the first touch electrodes 111 may be sending electrodes, and the second touch electrodes 114 may be receiving electrodes.

The plurality of first touch electrodes 111 are all extended along the first direction M and are disposed in the display area 101 .

The plurality of first touch leads 112 are arranged in one-to-one correspondence with the first touch electrodes 111 and are arranged in the first border area 1021 .

The plurality of second touch control traces 113 are arranged in one-to-one correspondence with the first touch control electrodes 111 and are arranged in the second border area 1022. Each of the second touch control traces 113 is electrically connected to the second end of the first touch control electrode 111.

The plurality of second touch electrodes 114 extend along a second direction N intersecting with the first direction M, and are insulated from the first touch electrodes 111 .

The plurality of third touch control traces 115 are electrically connected to the first ends of the second touch control electrodes 114 , and are disposed in the third border area 1023 , and extend to the second border area 1022 .

The plurality of fourth touch lines 116 are electrically connected to the second ends of the second touch electrodes 114 , are disposed in the fourth border area 1024 , and extend to the second border area 1022 .

The first end of each first touch lead 112 is electrically connected to the first end of the first touch electrode 111 , and the second end of each first touch lead 112 is electrically connected to the first end of the first touch trace 21 through the first via 12 .

The first via hole 12 penetrates from a surface of the touch layer 11 close to the substrate 1 to a surface of the first touch trace 21 away from the substrate 1 .

The second end of each first touch line 21 is electrically connected to the second touch lead 71. Specifically, the second end of the first touch line 21 is electrically connected to the conductive unit 5173 through the second via 13, and the conductive unit 5173 is electrically connected to the second touch lead 71 through the third via.

The second via hole 13 penetrates from the surface of the conductive unit 5173 close to the substrate 1 to the surface of the first touch trace 21 away from the substrate 1 .

The first end of the first touch electrode 111 of the present application is electrically connected to the first end of the first touch lead 112, the second end of the first touch lead 112 is electrically connected to the first end of the first touch wiring 21, and the second end of the first touch wiring 21 is electrically connected to the second touch lead 71. The present application extends the first touch wiring 21 arranged on the same layer as the shielding unit 22 from the first border area 1021 to the second border area 1022. Compared with the first touch wiring 21 in the prior art occupying the first border area 1021, the third border area 1023 and the fourth border area 1024 and winding around to the second border area 1022, the widths of the first border area 1021, the third border area 1023 and the fourth border area 1024 can be reduced, thereby meeting the user's demand for a narrow border design.

The second touch line 113 of the present application is arranged in the second border area 1022 and is electrically connected to the second end of the first touch electrode 111. Compared with a group of touch lines in the prior art, the combination of the first touch line 21 and the second touch line 113 of the present application can reduce the charging time of the capacitor and improve the touch performance.

Furthermore, a display panel and a display device provided by the present application are introduced in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for technical personnel in this field, according to the idea of the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

A display panel comprises a display area and a frame area surrounding the display area; the frame area comprises a first frame area and a second frame area arranged opposite to each other;

The display panel comprises:

Substrate;

a shielding layer, disposed on the substrate; and

The shielding layer includes: a plurality of first touch lines extending along a first direction, a first end of the first touch line being disposed in the first frame area, and a second end of the first touch line being disposed in the second frame area;

A touch layer, disposed on a side of the shielding layer away from the substrate;

The touch layer comprises:

a plurality of first touch electrodes, all extending along the first direction and disposed in the display area; and

A plurality of first touch leads are arranged corresponding to the first touch electrodes one by one and are arranged in the first border area; a first end of each of the first touch leads is electrically connected to the first end of the first touch electrode, and a second end of each of the first touch leads is electrically connected to the first end of the first touch wiring through a first via hole.
The display panel according to claim 1, wherein the display panel further comprises:

A thin film transistor layer, disposed between the shielding layer and the touch control layer; and

A first conductive layer, disposed between the thin film transistor layer and the touch control layer;

The first conductive layer includes: a plurality of second touch control leads, arranged in the second frame area;

The second end of each of the first touch-control traces is electrically connected to the second touch-control lead.
The display panel according to claim 2, wherein the thin film transistor layer comprises a plurality of thin film transistor devices arranged in an array; each of the thin film transistor devices comprises an active layer disposed on a side of the shielding layer away from the substrate;

The shielding layer further includes a shielding unit correspondingly arranged between the active layer and the substrate;

The shielding unit comprises:

A plurality of first shielding units extending along the first direction; and

A plurality of second shielding units extend along a second direction intersecting with the first direction.
The display panel according to claim 3, wherein a projection of the first touch-sensing trace on the substrate does not overlap with a projection of the shielding unit on the substrate.
The display panel according to claim 3, wherein each of the thin film transistor devices further comprises:

A source-drain electrode layer, disposed on the active layer; the source-drain electrode layer comprises a source electrode, a drain electrode and a conductive unit spaced apart from each other;

The first touch control wiring is electrically connected to the conductive unit through a second via hole, and the conductive unit is electrically connected to the second touch control lead through a third via hole.
The display panel according to claim 5, wherein the second via hole penetrates from a surface of the conductive unit on a side close to the substrate to a surface of the first touch trace on a side away from the substrate.
The display panel according to claim 1, wherein the first via hole penetrates from a surface of the touch layer close to the substrate to a surface of the first touch trace away from the substrate.
The display panel according to claim 1, wherein the touch layer further comprises:

A plurality of second touch control traces are arranged corresponding to the first touch control electrodes one by one and are arranged in the second frame area; each of the second touch control traces is electrically connected to the second end of the first touch control electrode.
The display panel according to claim 8, wherein the frame area further comprises a third frame area and a fourth frame area that are arranged opposite to each other, and the third frame area and the fourth frame area are arranged between the first frame area and the second frame area;

The touch layer further includes:

a plurality of second touch control electrodes extending along a second direction intersecting with the first direction and insulated from the first touch control electrodes;

a plurality of third touch control traces, which are electrically connected to the first ends of the second touch control electrodes, are disposed in the third frame area, and extend to the second frame area; and

A plurality of fourth touch control traces are electrically connected to the second ends of the second touch control electrodes, are disposed in the fourth frame area, and extend to the second frame area.
The display panel according to claim 9, wherein the first touch electrode is a receiving electrode, and the second touch electrode is a sending electrode.
The display panel according to claim 9, wherein the first touch electrode is a transmitting electrode, and the second touch electrode is a receiving electrode.
A display device comprises a display panel, wherein the display panel has a display area and a frame area surrounding the display area; the frame area comprises a first frame area and a second frame area arranged opposite to each other;

The display panel comprises:

Substrate;

a shielding layer, disposed on the substrate; and

The shielding layer includes: a plurality of first touch lines extending along a first direction, a first end of the first touch line being disposed in the first frame area, and a second end of the first touch line being disposed in the second frame area;

A touch layer, disposed on a side of the shielding layer away from the substrate;

The touch layer comprises:

a plurality of first touch electrodes, all extending along the first direction and disposed in the display area; and

A plurality of first touch leads are arranged corresponding to the first touch electrodes one by one and are arranged in the first border area; a first end of each of the first touch leads is electrically connected to the first end of the first touch electrode, and a second end of each of the first touch leads is electrically connected to the first end of the first touch wiring through a first via hole.
The display device according to claim 12, wherein the display panel further comprises:

A thin film transistor layer, disposed between the shielding layer and the touch control layer; and

A first conductive layer, disposed between the thin film transistor layer and the touch control layer;

The first conductive layer includes: a plurality of second touch control leads, arranged in the second frame area;

The second end of each of the first touch-control traces is electrically connected to the second touch-control lead.
The display device according to claim 13, wherein the thin film transistor layer comprises a plurality of thin film transistor devices arranged in an array; each of the thin film transistor devices comprises an active layer disposed on a side of the shielding layer away from the substrate;

The shielding layer further includes a shielding unit correspondingly arranged between the active layer and the substrate;

The shielding unit comprises:

A plurality of first shielding units extending along the first direction; and

A plurality of second shielding units extend along a second direction intersecting with the first direction.
The display device according to claim 14, wherein a projection of the first touch-sensing trace on the substrate does not overlap with a projection of the shielding unit on the substrate.
The display device according to claim 14, wherein each of the thin film transistor devices further comprises:

A source-drain electrode layer, disposed on the active layer; the source-drain electrode layer comprises a source electrode, a drain electrode and a conductive unit spaced apart from each other;

The first touch control wiring is electrically connected to the conductive unit through a second via hole, and the conductive unit is electrically connected to the second touch control lead through a third via hole.
The display device according to claim 16, wherein the second via hole penetrates from a surface of the conductive unit on a side close to the substrate to a surface of the first touch trace on a side away from the substrate.
The display device according to claim 12, wherein the first via hole penetrates from a surface of the touch layer close to the substrate to a surface of the first touch trace away from the substrate.
The display device according to claim 12, wherein the touch layer further comprises:

A plurality of second touch control traces are arranged corresponding to the first touch control electrodes one by one and are arranged in the second frame area; each of the second touch control traces is electrically connected to the second end of the first touch control electrode.
The display device according to claim 19, wherein the frame area further comprises a third frame area and a fourth frame area that are arranged opposite to each other, and the third frame area and the fourth frame area are arranged between the first frame area and the second frame area;

The touch layer further includes:

a plurality of second touch control electrodes extending along a second direction intersecting with the first direction and insulated from the first touch control electrodes;

a plurality of third touch control traces, which are electrically connected to the first ends of the second touch control electrodes, are disposed in the third frame area, and extend to the second frame area; and

A plurality of fourth touch control traces are electrically connected to the second ends of the second touch control electrodes, are disposed in the fourth frame area, and extend to the second frame area.