Display panel and display device

Abstract

The invention discloses a display panel and a display device. Wherein the first conductive layer is arranged on the substrate and comprises a driving signal line arranged in the first wiring area, and the driving signal line is used for loading an alternating current signal; the second conducting layer is arranged on the side, away from the substrate, of the first conducting layer and comprises a power signal line, and the power signal line comprises a transmission part arranged on the side, close to the display area, of the second wiring area and a connecting part connected between the transmission part and the binding area; the third conducting layer is arranged on one side, far away from the first conducting layer, of the second conducting layer and comprises a touch wire, and the touch wire at least extends into the first wiring area from the display area; the second conductive layer further comprises a shielding part arranged in the first wiring area, the shielding part is connected with the transmission part, and the orthographic projection of the shielding part on the substrate and the orthographic projection of the driving signal line on the substrate are at least partially overlapped. According to the invention, signal crosstalk between the touch wires and the driving signal lines can be reduced.

Description

[0001] This divisional application is a divisional application of a Chinese patent application with the application number 202311014931.2, the application date of August 11, 2023, and the invention title of "display panel and display device". Technical Field

[0002] The present invention relates to the field of display technologies, and in particular, to a display panel and a display device. Background Art

[0003] With the continuous development of display technologies, more and more touch screens are attached to display devices. From the initial button-type mobile phones to today's intelligent touch mobile phones, the way of human-computer interaction has undergone earth-shaking changes, and the touch interaction method is very likely to become the next-generation human-computer interaction method, with potential application value. A touch screen is a simple and easy-to-use input device, configured to identify the touch position or related information generated on the screen by a user's contact or pressing using a finger or the like, and send the touch position or related information of the screen to the system.

[0004] Currently, in an Organic Light Emitting Display (OLED) panel, a touch layer is often disposed on the encapsulation layer of the OLED panel, and the touch layer includes touch traces extending into the non-display area. At the same time, driving signal lines are also distributed in the non-display area, so that the signals transmitted in the driving signal lines are likely to cause crosstalk to the signals in the touch traces, resulting in abnormal touch phenomena. Summary of the Invention

[0005] Embodiments of the present invention provide a display panel and a display device, which can improve the signal crosstalk between driving signal lines and touch traces.

[0006] Embodiments of the present invention further provide a display panel. The display panel includes a display area and a non-display area adjacent to the display area. The non-display area includes a wiring area and a bonding area located on a side of the wiring area away from the display area. The wiring area includes an adjacent first wiring area and second wiring area. Driving signal lines for loading alternating current signals are disposed in the first wiring area;

[0007] The display panel further includes:

[0008] a substrate;

[0009] a first conductive layer, disposed on the substrate and including the driving signal lines;

[0010] The second conductive layer is disposed on a side of the first conductive layer away from the substrate. The second conductive layer includes a power signal line, and the power signal line includes a transmission portion disposed on a side of the second wiring region close to the display region, and a connection portion connecting the transmission portion and the bonding region;

[0011] The third conductive layer is disposed on a side of the second conductive layer away from the first conductive layer, and includes touch traces, and the touch traces extend at least into the first wiring region from the display region;

[0012] Wherein, the second conductive layer further includes a shielding portion disposed in the first wiring region, the shielding portion is connected to the transmission portion, and a positive projection of the shielding portion on the substrate at least partially overlaps a positive projection of the driving signal line on the substrate.

[0013] In an embodiment of the present invention, the power signal line is used to load a direct current signal.

[0014] In an embodiment of the present invention, the display region includes a first side close to the bonding region, the transmission portion is parallel to the first side, and an extension line of the connection portion intersects the first side.

[0015] In an embodiment of the present invention, the shielding portion is disposed parallel to the first side.

[0016] In an embodiment of the present invention, the second wiring region includes a first sub-region and a second sub-region located on opposite sides of the first wiring region. The first sub-region is adjacent to the first side, the second sub-region is located on a side of the first wiring region away from the first side. The power signal line includes a first power line and a second power line. The first power line includes a first transmission portion located in the first sub-region, and a first connection portion connecting the first transmission portion and the bonding region. The second power line includes a second transmission portion located in the second sub-region and a second connection portion connecting the second transmission portion and the bonding region;

[0017] Wherein, the shielding portion is connected to the first transmission portion and / or the second transmission portion, and the first power line and the second power line are insulated from each other.

[0018] In an embodiment of the present invention, the shielding portion includes a first shielding portion connected to the first transmission portion, and the first shielding portion is spaced apart from the second power line.

[0019] In an embodiment of the present invention, the shielding portion includes a second shielding portion connected to the second transmission portion, and the second shielding portion is spaced apart from the first power line.

[0020] In an embodiment of the present invention, the shielding portion includes a first shielding portion connected to the first transmission portion and a second shielding portion connected to the second transmission portion, and the first shielding portion and the second shielding portion are arranged at intervals.

[0021] In an embodiment of the present invention, in the first wiring area, the first shielding portion is connected to the first connection portion, and the positive projection of the driving signal line on the substrate is located within the positive projections of the first shielding portion and the first connection portion on the substrate.

[0022] In an embodiment of the present invention, the display area further includes two second sides connected to both sides of the first side, and a third side connected to the two second sides and arranged opposite to the first side;

[0023] Wherein, in the first power line, the first transmission portion is arranged opposite to the first side and parallel to the first side;

[0024] The second power line further includes an auxiliary transmission portion, and the second transmission portion is connected to the auxiliary transmission portion to surround the second side, the third side and a part of the first side of the display area.

[0025] In an embodiment of the present invention, the width of the first wiring area in the first direction is a first width, the first direction is the direction from the first sub-area to the second sub-area, the width of the shielding portion in the first direction is a second width, and the difference between the first width and the second width is greater than or equal to 10 microns and less than or equal to 30 microns.

[0026] In an embodiment of the present invention, the positive projection of the shielding portion on the substrate at least partially overlaps with the positive projection of the touch trace on the substrate, and the positive projection of the touch trace on the substrate at least partially overlaps with the positive projection of the driving signal line on the substrate.

[0027] In an embodiment of the present invention, the display panel further includes a first organic planar layer disposed between the first conductive layer and the second conductive layer, and a plurality of openings are provided in the shielding portion.

[0028] In an embodiment of the present invention, the positive projection of the driving signal line on the substrate does not overlap with the positive projection of the opening on the substrate.

[0029] In an embodiment of the present invention, the driving signal line includes a first trace and a second trace. The overlapping area of the orthographic projection of the first trace on the substrate and the orthographic projection of the opening on the substrate is equal to the overlapping area of the orthographic projection of the second trace on the substrate and the orthographic projection of the opening on the substrate, and the electrical signal loaded in the first trace is the same as the electrical signal loaded in the second trace.

[0030] In an embodiment of the present invention, the display panel further includes a fourth conductive layer disposed between the first conductive layer and the substrate. The fourth conductive layer includes functional signal lines, and the functional signal lines extend from the display area to the first wiring area and are connected to the driving signal lines.

[0031] In an embodiment of the present invention, the display panel further includes a driving component disposed in the bonding area, and the connecting portion at least passes through the first wiring area and is connected between the transmission portion and the driving component.

[0032] According to the above object of the present invention, an embodiment of the present invention further provides a display device, and the display device includes the display panel.

[0033] Advantages of the present invention: By adding a shielding portion in the first wiring area, the shielding portion is connected to the transmission portion, and the shielding portion and the touch trace are at least partially overlapped, so as to shield the signal interference of the driving signal line on the touch trace, thereby reducing the crosstalk between the touch trace and the driving signal line and improving the touch effect of the display panel. Description of the Drawings

[0034] The following will make the technical solutions and other beneficial effects of the present invention obvious by describing the specific embodiments of the present invention in detail in conjunction with the drawings.

[0035] Figure 1 It is a schematic plan view of a planar structure of a display panel provided in the related art;

[0036] Figure 2 It is for the display panel provided in the related art along Figure 1 A schematic cross-sectional structure diagram taken along the AA line in;

[0037] Figure 3 It is for the display panel provided in the related art at Figure 1 A schematic diagram of a partial enlarged wiring plane distribution at B in;

[0038] Figure 4 It is a schematic plan view of a planar distribution of a display panel provided by an embodiment of the present invention;

[0039] Figure 5A schematic cross-sectional structure diagram taken along the aa line of the display panel provided by the embodiment of the present invention; Figure 4

[0040] Figure 6 A schematic partial enlarged planar structure diagram at C1 in the display panel provided by the embodiment of the present invention; Figure 4

[0041] Figure 7 A schematic distribution structure diagram of the shielding portion and the driving signal line provided by the embodiment of the present invention;

[0042] Figure 8 Another schematic distribution structure diagram of the shielding portion and the driving signal line provided by the embodiment of the present invention;

[0043] Figure 9 Another schematic cross-sectional structure diagram taken along the aa line of the display panel provided by the embodiment of the present invention; Figure 4

[0044] Figure 10 Another schematic partial enlarged planar structure diagram at C1 in the display panel provided by the embodiment of the present invention; Figure 4

[0045] Figure 11 Another schematic planar distribution structure diagram of the display panel provided by the embodiment of the present invention;

[0046] Figure 12 A schematic cross-sectional structure diagram taken along the bb line of the display panel provided by the embodiment of the present invention; Figure 11

[0047] Figure 13 A schematic partial enlarged planar structure diagram at C2 in the display panel provided by the embodiment of the present invention; Figure 11

[0048] Figure 14 Another schematic planar distribution structure diagram of the display panel provided by the embodiment of the present invention;

[0049] Figure 15 A schematic cross-sectional structure diagram taken along the cc line of the display panel provided by the embodiment of the present invention; Figure 14

[0050] Figure 16 A schematic partial enlarged planar structure diagram at C3 in the display panel provided by the embodiment of the present invention; Figure 14 Detailed implementation manners

[0051] ​​​​​​​​The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0052] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides examples of various specific processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0053] Please refer to Figure 1 、 Figure 2 and Figure 3 In a display panel in the related art, it includes a VDD power line 1, a VSS power line 2, a driving signal line 3, a touch trace 4, and a cathode layer 5 disposed in the display panel. Both the VDD power line 1 and the VSS power line 2 are located between the driving signal line 3 and the touch trace 4, and the cathode layer 5 is located between the VDD power line 1 and the touch trace 4. Among them, in the related art, since an alternating current signal is loaded in the driving signal line 3, it is easy to generate signal interference to the touch trace 4. Therefore, the cathode layer 5 is often used to shield the driving signal line 3 to reduce signal crosstalk. However, after verification, it is found that there is still relatively serious signal crosstalk at the lower border of the display panel, so that the signal transmitted in the touch trace 4 is interfered, affecting the touch effect. After further research, it is found that in Figure 2At the cross-section shown, the VDD power line 1 and the cathode layer 5 are located in the first region A1, the VSS power line 2 is located in the second region A2, and the touch trace 4 can be located in the first region A1, the second region A2, and the third region A3 at the same time; further, since the organic layer between the VDD power line 1 and the cathode layer 5 needs to be removed within the second region A2, and the region where the organic layer is removed is the fourth region A4 to block the intrusion of water vapor, and thus the VDD power line 1 will be exposed during the manufacturing process; in order to prevent the cathode layer 5 from extending into the second region A2 and short-circuiting with the exposed VDD power line 1, and at the same time considering issues such as the manufacturing accuracy and alignment accuracy of the cathode layer 5, a safety distance needs to be left between the boundary of the cathode layer 5 and the fourth region A4. Therefore, the cathode layer 5 is usually restricted within the first region A1, which in turn causes the cathode layer 5 not to cover the third region A3, so that the lower border corresponding to the third region A3 cannot effectively shield the signal crosstalk of the driving signal line 3 to the touch trace 4 through the cathode layer 5.

[0054] Please combine Figure 4 、 Figure 5 and Figure 6 According to the embodiments of the present invention, a display panel is further provided. The display panel includes a display area 101 and a non-display area 102 adjacent to the display area 101. The non-display area 102 includes an adjacent first wiring area 103 and a second wiring area 104, and a bonding area 105 located on the side of the first wiring area 103 and the second wiring area 104 away from the display area 101.

[0055] The display panel further includes a substrate 10, a first conductive layer 20, a second conductive layer 300, and a third conductive layer 400; wherein, the first conductive layer 20 is disposed on the substrate 10, and the first conductive layer 20 includes a driving signal line 21 disposed in the first wiring area 103, and the driving signal line 21 is used to load an alternating current signal; the second conductive layer 300 is disposed on the side of the first conductive layer 20 away from the substrate 10, and the second conductive layer 300 includes a power signal line 30. The power signal line 30 includes a transmission portion C disposed on the side of the second wiring area 104 close to the display area 101 and a connection portion L connected between the transmission portion C and the bonding area 105; the third conductive layer 400 is disposed on the side of the second conductive layer 300 away from the first conductive layer 20 and includes a touch trace 40, and the touch trace 40 extends at least into the first wiring area 103 from the display area 101.

[0056] Further, the second conductive layer 300 further includes a shielding portion 33 disposed in the first wiring area 103. The shielding portion 33 is connected to the transmission portion C, and the orthographic projection of the shielding portion 33 on the substrate 10 at least partially overlaps with the orthographic projection of the driving signal line 21 on the substrate 10.

[0057] In an embodiment of the present invention, a shielding portion 33 is added in the first wiring region 103. The shielding portion 33 is connected to the transmission portion C, and the shielding portion 33 and the driving signal line 21 are at least partially overlapped, so as to shield the signal interference of the driving signal line 21 on the touch wiring 40, thereby reducing the crosstalk between the touch wiring 40 and the driving signal line 21 and improving the touch effect of the display panel.

[0058] Specifically, please continue to refer to Figure 4 , Figure 5 and Figure 6 . The display panel provided by the embodiment of the present invention includes a display area 101 and a non-display area 102, and the non-display area 102 may be a four-side frame area surrounding the display area 101. Among them, in the lower border of the display panel, the non-display area 102 includes a wiring area and a bonding area 105 located on the side of the wiring area away from the display area 101, and the wiring area may include a first wiring area 103 and a second wiring area 104 adjacent to the first wiring area 103.

[0059] In one embodiment, the second wiring area 104 may be connected to opposite sides of the first wiring area 103, and the second wiring area 104 may include a first sub-area 1041 and a second sub-area 1042 respectively located on opposite sides of the first wiring area 103. The first sub-area 1041 is located between the first wiring area 103 and the display area 101, and the second sub-area 1042 is located between the first wiring area 103 and the bonding area 105. The arrangement of the wiring area in subsequent embodiments will be described by taking this as an example.

[0060] The display panel further includes a substrate 10, a semiconductor layer 61, a fourth conductive layer 50, a first conductive layer 20 sequentially disposed on the substrate 10, and an insulating layer disposed between any two of the semiconductor layer 61, the fourth conductive layer 50, the first conductive layer 20, and the second conductive layer 300.

[0061] Among them, the semiconductor layer 61 includes an active layer disposed in the display area 101; the fourth conductive layer 50 may include functional signal lines 51 disposed in the non-display area 102; the first conductive layer 20 includes source electrodes, drain electrodes, data lines, etc. disposed in the display area 101, and driving signal lines 21 disposed in the first wiring area 103, and the driving signal lines 21 are used to load alternating current signals.

[0062] In one embodiment, the driving signal line 21 is electrically connected to a multiplexing circuit, for example, it can be connected to the multiplexing circuit through the functional signal line 51, and one multiplexing circuit can be connected to at least two data lines.

[0063] In one embodiment, the driving signal line 21 can also be used to load a clock signal and can be connected to the gate driving circuit through the functional signal line 51.

[0064] The display panel further includes a first organic planarization layer 62 disposed on the first conductive layer 20, a second conductive layer 300 disposed on the first organic planarization layer 62, a second organic planarization layer 63 disposed on the second conductive layer 300, a pixel definition layer 64 disposed on the second organic planarization layer 63, an organic light-emitting layer 65 disposed on the pixel definition layer 64, a cathode layer 66 and a protective layer 67 disposed on the organic light-emitting layer 65, a packaging layer 70 disposed on the protective layer 67, and a third conductive layer 400 disposed on the packaging layer 70.

[0065] Among them, the second conductive layer 300 includes a power signal line 30 disposed in the non-display area 102; the packaging layer 70 includes a first inorganic packaging layer 71, an organic packaging layer 72, and a third inorganic packaging layer 73 sequentially disposed on the protective layer 67; the third conductive layer 400 includes a touch trace 40 disposed on the packaging layer 70.

[0066] In one embodiment, the touch trace 40 may include a first touch trace 41 and a second touch trace 42, and one of the first touch trace 41 and the second touch trace 42 may be a transmitting signal line, and the other may be a receiving signal line; then the display panel further includes an insulating layer disposed between the touch trace 40 and the packaging layer 70, between the first touch trace 41 and the second touch trace 42, and covering the second touch trace 42.

[0067] In the embodiment of the present invention, the touch trace 40 extends from the display area 101 into the non-display area 102, and may extend into the first sub-area 1041, the first wiring area 103, and the second sub-area 1042. Furthermore, there is an overlapping portion between the touch trace 40 and the driving signal line 21. Since an alternating current signal is loaded in the driving signal line 21, it is easy to generate signal interference to the touch trace 40; in one embodiment, the orthographic projection of the touch trace 40 on the substrate 10 and the orthographic projection of the driving signal line 21 on the substrate 10 at least partially overlap, and the extending direction of the touch trace 40 in the first wiring area 103 may be the same as or intersect with the extending direction of the driving signal line 21 in the first wiring area 103. For example, the extending direction of the touch trace 40 in the first wiring area 103 and the extending direction of the driving signal line 21 in the first wiring area 103 may both be perpendicular to the first direction X, and the first direction X is the direction from the first sub-area 1041 to the second sub-area 1042.

[0068] However, in the embodiment of the present invention, the second conductive layer 300 further includes a shielding portion 33 disposed in the first wiring area 103, and the orthographic projection of the shielding portion 33 on the substrate 10 and the orthographic projection of the driving signal line 21 on the substrate 10 at least partially overlap, so as to reduce the signal crosstalk of the driving signal line 21 to the touch trace 40 and improve the touch effect of the display panel.

[0069] Furthermore, the power signal line 30 includes a transmission portion C on the side close to the display area 101 and a connection portion L that at least passes through the first wiring area 103 and is connected between the transmission portion C and the bonding area 105, and the shielding portion 33 is connected to the transmission portion C. For specific details, please refer to the subsequent embodiments.

[0070] In one embodiment, a plurality of openings 330 are provided in the shielding portion 33. Since a first organic planar layer 62 is provided below the shielding portion 33, in order to prevent the first organic planar layer 62 from emitting gas during subsequent high-temperature processes and damaging the second conductive layer 300, openings 330 are provided in the second conductive layer 300 to allow the gas to pass through.

[0071] In one embodiment, as Figure 7 shown, the orthographic projection of the driving signal line 21 on the substrate 10 does not overlap with the orthographic projection of the opening 330 on the substrate 10. For example, the driving signal line 21 is arranged to avoid the opening 330, or a hole is dug at the position of the driving signal line 21 corresponding to the opening 330. Thus, more of the driving signal line 21 can be shielded by the shielding portion 33, so as to improve the shielding effect of the shielding portion 33 on signal interference.

[0072] In another embodiment, as Figure 8 shown, the orthographic projection of the driving signal line 21 on the substrate 10 partially overlaps with the orthographic projection of the opening 330 on the substrate 10. Specifically, the driving signal line 21 may include a first trace 211 and a second trace 212. The overlapping area of the orthographic projection of the first trace 211 on the substrate 10 and the orthographic projection of the opening 330 on the substrate 10 is equal to the overlapping area of the orthographic projection of the second trace 212 on the substrate 10 and the orthographic projection of the opening 330 on the substrate 10, and the electrical signals loaded in the first trace 211 and the second trace 212 are the same. Since the first trace 211 and the second trace 212 overlap with the shielding portion 33, a capacitance will be generated, which will affect the loads in the first trace 211 and the second trace 212. In the embodiment of the present invention, it is controlled that the areas of the first trace 211 and the second trace 212 exposed by the opening 330 are the same. Thus, the influence of the shielding portion 33 on the loads of the first trace 211 and the second trace 212 can be made the same, and the display effect of the display panel is prevented from being affected due to different loads of the first trace 211 and the second trace 212 that transmit the same signal.

[0073] It can be understood that the display panel further includes a driving component 80 provided in the bonding area 105, and the connection portion L at least passes through the first wiring area 103 and is connected between the transmission portion C and the driving component 80.

[0074] In one embodiment of the present invention, please refer to Figure 4 、 Figure 5and Figure 6 The power signal line 30 includes a first power line 31 and a second power line 32, the transmission part C includes a first transmission part 311, a second transmission part 321 and an auxiliary transmission part 323, and the connection part L includes a first connection part 312 and a second connection part 322.

[0075] Among them, the first power line 31 includes a first transmission part 311 on the side close to the display area 101 and a first connection part 312 connected between the first transmission part 311 and the driving component 80; the first transmission part 311 is located in the first sub-area 1041, and one end of the first connection part 312 is connected to the first transmission part 311, and the other end passes through the first wiring area 103 and the second sub-area 1042 and is connected to the driving component 80.

[0076] The second power line 32 includes a second transmission part 321 on the side close to the display area 101 and located in the second sub-area 1042, a second connection part 322 connected between the second transmission part 321 and the driving component 80, and an auxiliary transmission part 323 connected to the second transmission part 321. Among them, one end of the second connection part 322 is connected to the second transmission part 321, the other end passes through the second sub-area 1042 and is connected to the driving component 80, and the auxiliary transmission part 323 is connected to the second transmission part 321 and passes through the first wiring area 103 and the first sub-area 1041 to be arranged around part of the display area 101.

[0077] Specifically, the display area 101 includes a first side 1011 on the side close to the bonding area 105, and both the first transmission part 311 and the second transmission part 321 are arranged close to the first side 1011. The display area 101 further includes two second sides 1012 connecting opposite sides of the first side 1011, and a third side 1013 connecting the two second sides 1012 and opposite to the first side 1011. The second transmission part 321 is connected to the auxiliary transmission part 323 to be arranged around the second side 1012, the third side 1013 and part of the first side 1011 of the display area 101.

[0078] In the embodiment of the present invention, the transmission part C of the power signal line 30 is parallel to the first side 1011, and the connection part L of the power signal line 30 intersects with the first side 1011, for example, it can be perpendicular. Specifically, the first transmission part 311 and the second transmission part 321 are parallel to the first side 1011, and the first connection part 312 and the second connection part 322 intersect with the first side 1011.

[0079] In one embodiment, the first power line 31 may be a VDD signal line, and the second power line 32 may be a VSS signal line.

[0080] The shielding portion 33 includes a first shielding portion 331 disposed in the first wiring region 103 and connected to the first transmission portion 311. The first shielding portion 331 is arranged parallel to the first side 1011 and is disposed opposite to the first side 1011. The orthographic projection of the first shielding portion 331 on the substrate 10 partially overlaps with the orthographic projection of the driving signal line 21 on the substrate 10.

[0081] In one embodiment, the portion of the first shielding portion 331 and the first connecting portion 312 located in the first wiring region 103 are connected. In the first wiring region 103, the orthographic projection of the driving signal line 21 on the substrate 10 is located within the orthographic projections of the first shielding portion 331 and the first connecting portion 312 on the substrate 10; in the first wiring region 103, the orthographic projection of the driving signal line 21 on the substrate 10 is located within the orthographic projection of the first shielding portion 331 on the substrate 10, or a part of the orthographic projection of the driving signal line 21 on the substrate 10 is located within the orthographic projection of the first shielding portion 331 on the substrate 10, and another part of the orthographic projection of the driving signal line 21 on the substrate 10 is located within the orthographic projection of the first connecting portion 312 on the substrate 10.

[0082] It can be understood that the first shielding portion 331 can be integrally formed with the first transmission portion 311, that is, the first shielding portion 331 can be integrally formed with the first power line 31.

[0083] In one embodiment, a plurality of first openings 3310 are provided in the first shielding portion 331, and a plurality of third openings 310 are provided in the first transmission portion 311. Since a first organic planarization layer 62 is provided below the first shielding portion 331, in order to prevent the first organic planarization layer 62 from emitting gas during subsequent high-temperature processes, which may damage the second conductive layer 300, the first openings 3310 and the third openings 310 are provided in the second conductive layer 300 to allow the gas to pass through.

[0084] Among them, the areas of the first openings 3310 and the third openings 310 can be the same or different, and can be selected according to actual requirements, which are not limited herein.

[0085] In one embodiment, the power signal line 30 is used to load a direct current signal, that is, both the first power line 31 and the second power line 32 load direct current signals. Furthermore, the first shielding portion 331 also loads a direct current signal, which can shield the signal crosstalk generated by the alternating current signal loaded in the driving signal line 21 on the touch trace 40, so as to improve the touch effect of the display panel.

[0086] Among them, the first shielding portion 331 is spaced apart from the second power line 32 to prevent a short circuit between the first power line 31 and the second power line 32.

[0087] In one embodiment, the width of the region between the first sub-region 1041 and the second sub-region 1042 in the first direction X is the first width, that is, the width of the first wiring region 103 in the first direction X is the first width, and the width of the first shielding portion 331 in the first direction X is the second width. The difference between the first width and the second width is greater than or equal to 10 microns and less than or equal to 30 microns. The distance from the first shielding portion 331 to the second transmission portion 321 in the first direction X is greater than or equal to 10 microns and less than or equal to 30 microns.

[0088] Continuing from the above, in this embodiment, by adding the first shielding portion 331 connected to the first transmission portion 311 in the first wiring region 103, the driving signal line 21 below can be shielded, thereby reducing the signal crosstalk generated by the alternating current signal in the driving signal line 21 on the touch wiring 40 and improving the touch effect of the display panel.

[0089] In another embodiment of the present invention, please refer to Figure 9 and Figure 10 , the difference between this embodiment and the embodiment shown in Figure 5 , Figure 6 is that the orthographic projection of the driving signal line 21 on the substrate 10 is located within the orthographic projections of the first shielding portion 331 and the first connection portion 312 on the substrate 10.

[0090] Continuing from the above, the added first shielding portion 331 in this embodiment can shield all the driving signal lines 21, further improving the shielding effect of the shielding portion 33 and further improving the touch effect of the display panel.

[0091] In another embodiment of the present invention, please refer to Figure 11 , Figure 12 and Figure 13 , the difference between this embodiment and the embodiments shown in Figure 5 , Figure 6 is that the shielding portion 33 includes a second shielding portion 332 disposed in the first wiring region 103 and connected to the second transmission portion 321.

[0092] Among them, the second shielding portion 332 and the second transmission portion 321 can be integrally formed, that is, they can be integrally formed with the second power supply line 32, and the second shielding portion 332 is parallel to the first side 1011.

[0093] In one embodiment, the distance from the second shielding portion 332 to the first transmission portion 311 in the first direction X is greater than or equal to 10 microns and less than or equal to 30 microns.

[0094] In one embodiment, a plurality of second openings 3320 are provided on the second shielding portion 332 to release the gas generated during the manufacturing process in the first organic planarization layer 62.

[0095] Among them, the areas of the second opening 3320 and the third opening 310 can be the same or different, and can be selected according to actual needs, which is not limited herein.

[0096] Continuing from the above, in this embodiment, by adding a second shielding portion 332 connected to the second transmission portion 321 in the first wiring region 103, the driving signal line 21 below can be shielded, thereby reducing the signal crosstalk generated by the alternating current signal in the driving signal line 21 on the touch wiring 40 and improving the touch effect of the display panel.

[0097] In another embodiment of the present invention, please refer to Figure 14 , Figure 15 and Figure 16 , the difference between this embodiment and the embodiment shown in Figure 5 , Figure 6 is that the shielding portion 33 includes a first shielding portion 331 disposed in the first wiring region 103 and connected to the first transmission portion 311, and a second shielding portion 332 disposed in the first wiring region 103 and connected to the second transmission portion 321.

[0098] Among them, the first shielding portion 331 can be integrally formed with the first transmission portion 311, and the second shielding portion 332 can be integrally formed with the second transmission portion 321, and both the first shielding portion 331 and the second shielding portion 332 are parallel to the first side 1011.

[0099] In one embodiment, the distance from the first shielding portion 331 to the second shielding portion 332 along the first direction X is greater than or equal to 10 microns and less than or equal to 30 microns.

[0100] In one embodiment, a plurality of first openings 3310 are provided in the first shielding portion 331, and a plurality of second openings 3320 are provided in the second shielding portion 332 to release the gas generated during the manufacturing process in the first organic planarization layer 62.

[0101] Continuing from the above, in this embodiment, by adding a first shielding portion 331 connected to the first transmission portion 311 and a second shielding portion 332 connected to the second transmission portion 321 in the first wiring region 103, the driving signal line 21 below can be shielded, thereby reducing the signal crosstalk generated by the alternating current signal in the driving signal line 21 on the touch wiring 40 and improving the touch effect of the display panel.

[0102] In addition, an embodiment of the present invention further provides a display device, which includes a display panel, and the display panel is the display panel described in the above embodiment.

[0103] The display device may include display devices such as televisions, mobile phones, computers, and tablets.

[0104] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0105] The above has introduced in detail a display panel and a display device provided by an embodiment of the present invention. Specific examples are used herein to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the technical solution and its core idea of the present invention; those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A display panel, characterized in that, The display panel includes a display area and a non-display area adjacent to the display area. The non-display area includes a wiring area and a bonding area located on a side of the wiring area away from the display area. The wiring area includes an adjacent first wiring area and a second wiring area. A driving signal line for loading an alternating current signal is provided in the first wiring area. The display panel further includes: a substrate; a first conductive layer provided on the substrate and including the driving signal line; a second conductive layer provided on a side of the first conductive layer away from the substrate. The second conductive layer includes a power supply signal line; a third conductive layer provided on a side of the second conductive layer away from the first conductive layer and including a touch trace. The touch trace extends from the display area to at least the first wiring area; wherein, the second conductive layer further includes a shielding portion provided in the first wiring area. A positive projection of the shielding portion on the substrate at least partially overlaps a positive projection of the driving signal line on the substrate. The power supply signal line includes a first power supply line and a second power supply line for transmitting different current signals. The first power supply line and the second power supply line do not overlap, and the shielding portion is integrally formed with the first power supply line and / or the second power supply line.

2. The display panel according to claim 1, characterized in that, The display area includes a first side close to the bonding area. The second wiring area includes a first sub-area and a second sub-area located on opposite sides of the first wiring area. The first sub-area is adjacent to the first side, and the second sub-area is located on a side of the first wiring area away from the first side. The first power supply line includes a first transmission portion located in the first sub-area and a first connection portion connected between the first transmission portion and the bonding area. The first transmission portion is parallel to the first side, and an extension line of the first connection portion intersects the first side; wherein, the shielding portion includes a first shielding portion connected to the first transmission portion, and the first shielding portion is spaced apart from the second power supply line.

3. The display panel according to claim 2, wherein The second power supply line includes a second transmission portion located in the second sub-area, a second connection portion connected between the second transmission portion and the bonding area, and an auxiliary transmission portion connected to the second transmission portion. The auxiliary transmission portion passes through the first wiring area and the first sub-area to surround part of the display area. The second transmission portion is parallel to the first side, and an extension line of the second connection portion intersects the first side; wherein, the shielding portion includes a second shielding portion connected to the second transmission portion, and the first shielding portion and the second shielding portion are spaced apart from each other.

4. The display panel according to claim 2 or 3, characterized in that, A positive projection of the first shielding portion on the substrate at least partially overlaps a positive projection of the driving signal line on the substrate.

5. The display panel according to claim 2 or 3, characterized in that, A positive projection of the driving signal line on the substrate is located within positive projections of the first shielding portion and the first connection portion on the substrate.

6. The display panel according to claim 2 or 3, characterized in that, In the first wiring area, the first shielding portion is connected to the first connection portion.

7. The display panel according to claim 2 or 3, characterized in that, The display panel further includes a driving component provided in the bonding area, and the first connection portion at least passes through the first wiring area to be connected between the first transmission portion and the driving component.

8. The display panel according to claim 1, characterized in that The display area includes a first side close to the bonding area. The second wiring area includes a first sub-area and a second sub-area located on opposite sides of the first wiring area. The first sub-area is adjacent to the first side, and the second sub-area is located on a side of the first wiring area away from the first side. The second power line includes a second transmission portion located in the second sub-area, a second connection portion connected between the second transmission portion and the bonding area, and an auxiliary transmission portion connected to the second transmission portion. The auxiliary transmission portion passes through the first wiring area and the first sub-area to surround part of the display area. The second transmission portion is parallel to the first side, and an extension line of the second connection portion intersects the first side; Wherein, the shielding portion includes a second shielding portion connected to the second transmission portion, and the second shielding portion is spaced apart from the first power line.

9. The display panel according to claim 3 or 8, characterized in that, The display area further includes two second sides connected to both sides of the first side, and a third side connected to the two second sides and disposed opposite to the first side; Wherein, in the first power line, the first transmission portion is disposed opposite to the first side and parallel to the first side; The second transmission portion is parallel to the first side, and the second transmission portion is connected to the auxiliary transmission portion so that the second transmission portion and the auxiliary transmission portion surround the second side, the third side, and part of the first side of the display area.

10. The display panel according to claim 2, 3 or 8, characterized in that, The width of the first wiring area in the first direction is a first width, the first direction is the direction from the first sub-area to the second sub-area, the width of the shielding portion in the first direction is a second width, and the difference between the first width and the second width is greater than or equal to 10 microns and less than or equal to 30 microns.

11. The display panel according to claim 2, 3 or 8, characterized in that, The shielding portion is disposed parallel to the first side.

12. The display panel according to claim 1, 2, 3 or 8, characterized in that, A positive projection of the shielding portion on the substrate at least partially overlaps a positive projection of the touch trace on the substrate, and the positive projection of the touch trace on the substrate at least partially overlaps a positive projection of the driving signal line on the substrate.

13. The display panel according to claim 1, 2, 3 or 8, characterized in that, The display panel further includes a first organic planarization layer disposed between the first conductive layer and the second conductive layer. The first organic planarization layer is disposed below the shielding portion, and a plurality of openings are provided in the shielding portion.

14. The display panel according to claim 13, characterized in that, A positive projection of the driving signal line on the substrate partially overlaps a positive projection of the opening on the substrate.

15. The display panel according to claim 14, wherein The driving signal line includes a first trace and a second trace. An overlapping area of a positive projection of the first trace on the substrate and a positive projection of the opening on the substrate is equal to an overlapping area of a positive projection of the second trace on the substrate and a positive projection of the opening on the substrate, and an electrical signal loaded in the first trace is the same as an electrical signal loaded in the second trace.

16. The display panel according to claim 13, wherein A positive projection of the driving signal line on the substrate does not overlap a positive projection of the opening on the substrate.

17. The display panel according to claim 1, wherein, The display panel further includes a fourth conductive layer disposed between the first conductive layer and the substrate. The fourth conductive layer includes functional signal lines, and the functional signal lines extend from the display area to the first wiring area and are connected to the driving signal lines.

18. The display panel according to claim 17, wherein, The driving signal lines are connected to the multiplexing circuit or the gate driving circuit through the functional signal lines.

19. The display panel according to claim 1, characterized in that, The power supply signal lines are used to load DC signals.

20. A display device, characterized in that, The display device includes the display panel according to any one of claims 1 to 19.

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