CN211124000U - Display panel and display device - Google Patents
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- CN211124000U CN211124000U CN202020006879.1U CN202020006879U CN211124000U CN 211124000 U CN211124000 U CN 211124000U CN 202020006879 U CN202020006879 U CN 202020006879U CN 211124000 U CN211124000 U CN 211124000U
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- 238000002955 isolation Methods 0.000 claims abstract description 43
- 239000000758 substrate Substances 0.000 claims description 23
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 abstract description 13
- 239000004332 silver Substances 0.000 abstract description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 12
- 230000005012 migration Effects 0.000 abstract description 9
- 238000013508 migration Methods 0.000 abstract description 9
- 238000006056 electrooxidation reaction Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- -1 silver ions Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The application relates to the technical field of display, and discloses a display panel and display device, display panel includes the base plate, and the base plate has relative first side and the second side that sets up, relative third side and the fourth side that sets up and relative first surface and the second surface that sets up, and the base plate includes the touch-control district, walks the line and distinguishes and bind the district, walks to have set gradually along the direction of touch-control district to the base plate side in the line and distinguishes: the display panel comprises a first channel wire, an isolation wire, a second channel wire and a grounding wire, wherein the grounding wire is not arranged between at least one part of the second channel wire and the side edge of the display panel in the part corresponding to each side edge; the wiring terminal comprises a binding area, a plurality of wiring terminals, a first channel wiring, an isolation wiring, a second channel wiring and a grounding wiring, wherein the binding area is located on the first side edge, the plurality of wiring terminals are arranged in the binding area, and the first channel wiring, the isolation wiring, the second channel wiring and the grounding wiring are all connected with the corresponding wiring terminals in the binding area. The display panel disclosed by the application can effectively improve the silver migration resistance and the electrochemical corrosion resistance of a product.
Description
Technical Field
The present disclosure relates to display technologies, and particularly to a display panel and a display device.
Background
Flexible products have been on the market for a long time, such as curved screen products, i.e. products with curved edges. The ductility of the metal material must be improved to achieve the capability of bending and not breaking the edge of the flexible product, and currently, more metal materials are selected to be APC materials, i.e. a silver alloy material, 90% of which is silver. However, the silver material is ionized under the action of the re-electric field, and silver migration occurs in the presence of water, so that the product is subjected to electrochemical corrosion, and the product is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a display panel can effectively improve the anti silver migration and the electrochemical corrosion's of product ability.
In order to achieve the above object, the present application provides a display panel, including a substrate, the substrate has a first side, a second side, a third side and a fourth side, the first side is opposite to the second side, the third side is opposite to the fourth side, the substrate further has a first surface and a second surface which are oppositely disposed, the substrate includes:
a touch area;
the touch control device comprises a wiring area, a first channel wire, a second channel wire, an isolation wire and a grounding wire, wherein the wiring area is positioned at the periphery of the touch control area, the first channel wire is arranged in the wiring area, the second channel wire is arranged in the wiring area and positioned at one side of the first channel wire, which is deviated from the touch control area, the isolation wire is arranged between the first channel wire and the second channel wire and used for isolating the first channel wire and the second channel wire, and the grounding wire is arranged at the second channel wire, which is deviated from the touch control area; the first channel wire and the second channel wire are both arranged on the first surface, and in the part of the second channel wire corresponding to the first side edge, at least one part of the first surface between the second channel wire and the first side edge is not provided with a grounding wire; and/or in the part of the second channel trace corresponding to the third side, at least a part of the first surface between the second channel trace and the third side is not provided with a grounding trace; and/or in a portion of the second channel trace corresponding to the fourth side, at least a portion of the first surface between the second channel trace and the fourth side is not provided with a ground trace;
the first channel routing, the isolation routing, the second channel routing and the grounding routing are connected with the corresponding wiring terminals in the binding area.
Above-mentioned display panel, including the base plate, the base plate has relative first side and the second side that sets up, third side and fourth side and relative first surface and the second surface that sets up, and the base plate still includes touch-control district, wiring district and binding area, and the wiring is distinguished in the region that display panel buckles, and the wiring is distinguished and is set gradually along the direction of touch-control district to the base plate side: the display panel comprises a first channel wire, an isolation wire, a second channel wire and a grounding wire, wherein the second channel wire is used for connecting a driving electrode to generate a driving signal, the first channel wire is used for receiving a touch signal, the isolation wire is used for isolating the first channel wire from the second channel wire, the grounding wire positioned at the outermost periphery is used for electrostatic shielding, and the second channel wire is not arranged between at least one part of the second channel wire and the side edge of the display panel in the position corresponding to each side edge, so that the phenomenon of silver migration between the channel wire and the grounding wire in a humidity environment is avoided, the phenomenon of circuit breaking or circuit breaking of a product is avoided, and the quality of the product is improved.
Therefore, the display panel in the application does not have the grounding wire between at least one part of the second channel wire and the side edge of the display panel, so that the silver migration phenomenon of the product is avoided, and the silver migration resistance and the electrochemical corrosion resistance of the product can be effectively improved.
Preferably, the ground trace includes a first ground trace disposed on the second surface, and the first ground trace is connected to the corresponding connection terminal in the bonding area through the via hole of the substrate.
Preferably, the ground trace further includes a second ground trace disposed on the first surface, the second ground trace includes a plurality of ground sub-traces disposed at intervals, and each of the ground sub-traces is electrically connected to the first ground trace disposed on the second surface through the via hole of the substrate.
Preferably, the distance between every two adjacent ground sub-traces is greater than or equal to the distance between the two adjacent ground sub-traces and the side edge of the substrate, and is less than twice the distance between the two adjacent ground sub-traces and the side edge of the substrate.
Preferably, each of the ground sub-traces has a cross-section along the first surface that is circular, square or rectangular in shape.
Preferably, the isolation trace includes a first isolation trace disposed on the first surface and a second isolation trace disposed on the second surface, and the first isolation trace and the second isolation trace are electrically connected through the via hole of the substrate.
Preferably, the first isolation trace includes a plurality of isolation sub-traces arranged at intervals.
Preferably, the distance between every two adjacent spacer wires is greater than or equal to the distance between the grounding wire on the same side and the side edge of the substrate, and is less than twice the distance between the grounding wire on the same side and the side edge of the substrate.
Preferably, the display device further comprises a shielding electrode layer disposed between the second surface and the first ground trace.
Preferably, the shielding electrode layer is a grid-like structure.
Preferably, the shielding electrode layer is a metal mesh.
Preferably, the present application further provides a display device including the display panel according to any one of the above features.
Drawings
FIG. 1 is a schematic top view of a display panel in the prior art;
FIG. 2 is a schematic cross-sectional view illustrating a wiring region of a display panel according to the prior art;
FIG. 3 is a schematic top view of a display panel according to the present application;
FIG. 4 is a schematic bottom view of a display panel according to the present application;
FIG. 5 is a schematic top view illustrating a display panel according to the present application;
FIG. 6 is a schematic cross-sectional view of a wiring area of a display panel according to the present application;
fig. 7 is a schematic longitudinal cross-sectional structure diagram of a routing area of a display panel according to the present application;
FIG. 8 is a schematic bottom view of a display panel according to the present application;
FIG. 9 is a schematic top view illustrating a display panel according to the present application;
FIG. 10 is a schematic bottom view of a display panel according to the present application;
fig. 11 is a schematic longitudinal cross-sectional structure diagram of a routing area of a display panel according to the present application.
In the figure:
1-a substrate; 11-a first side; 12-a second side edge; 13-third side; 14-a fourth side; 15-a first surface; 16-a second surface; 2-a touch area; 3-a wiring area; 31-first channel routing; 32-isolated traces; 321-a first isolation trace; 3211-isolator routing; 322-a second isolation trace; 33-second channel routing; 34-a ground trace; 341-first ground trace; 342-a second ground trace; 3421-ground sub-trace; 4-a binding region; 5-shielding electrode layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, in the conventional display panel, the display panel includes a touch area 2, a routing area 3 and a binding area 4, the first channel routing 31, the second channel routing 33, the isolation routing 32 and the ground routing 34 are all disposed at the same side of the display panel, and due to the existence of a potential difference, a strong electric field is formed, so that silver particles are charged, silver ions are formed, silver migration occurs in a humidity environment, and finally, a product is broken and is broken, and defects are caused.
Based on the above problem, refer to fig. 5, the utility model provides a display panel, including base plate 1, base plate 1 includes relative first side 11 and second side 12, relative third side 13 and fourth side 14 and relative first surface 15 and second surface 16, and this display panel still includes touch-control district 2, walks to distinguish 3 and bind district 4, walks to distinguish 3 and is located display panel's the position of buckling. The first channel wire 31, the isolation wire 32, the second channel wire 33 and the grounding wire 34 are sequentially arranged in the wire area 3 along the direction from the touch area 2 to the side edge of the substrate 1, wherein the second channel wire 33 is connected with the driving electrode and generates a driving signal, the first channel wire 31 is used for receiving the touch signal, the isolation wire 32 is used for isolating the first channel wire 31 from the second channel wire 33 so as to avoid signal crosstalk, and the grounding wire 34 is located at the outermost periphery and plays a role in electrostatic shielding.
In addition, the first channel trace 31 and the second channel trace 33 are disposed on the first surface 15, the isolation trace 32 is disposed on the first surface 15, and optionally disposed on the second surface 16, and the ground trace 34 is disposed on the first surface 15, the second surface 16, or disposed on the first surface 15 and the second surface 16, it should be noted that the following conditions should be satisfied between the second channel trace 33 and each side of the display panel: in the portion of the second channel trace 33 corresponding to the first side 11, at least a portion of the first surface 15 between the second channel trace 33 and the first side 11 is not provided with a ground trace; and/or in the portion of the second channel trace 33 corresponding to the third side 13, at least a portion of the first surface 15 between the second channel trace 33 and the third side 13 is not provided with a ground trace; and/or in a portion of the second channel trace 33 corresponding to the fourth side 14, at least a portion of the first surface 15 between the second channel trace 33 and the fourth side 14 is not provided with a ground trace.
The binding area 4 is located on the first side 11, and a plurality of connection terminals are disposed in the binding area 4, and the first channel trace 31, the isolation trace 32, the second channel trace 33, and the ground trace 34 are all connected to corresponding connection terminals in the binding area 4.
Above-mentioned display panel, through making at least some in the part that second channel is walked line 33 and display panel's each side corresponds and each side of display panel do not be equipped with the ground connection and walk the line between first surface 15, avoided the channel to walk the phenomenon that takes place silver migration under humidity environment between line and the ground connection line to avoid causing the phenomenon of opening circuit or the phenomenon of opening circuit of product, improved the quality of product.
Specifically, the structure of the display panel in the present application may include, but is not limited to, the following embodiments:
the first embodiment is as follows: referring to fig. 3 and 4, the first channel trace 31 and the second channel trace 33 of the display panel are disposed on the first surface 15, the isolation trace 32 includes a first isolation trace 321 disposed on the first surface 15, the ground trace 34 includes a first ground trace 341 disposed on the second surface 16, and the substrate 1 has a via hole through which the first ground trace 341 disposed on the second surface 16 is connected to a corresponding connection terminal located in the bonding region 4. The grounding wire arranged on the first surface 15 in the prior art is cancelled by the design and is arranged on the second surface 16, so that the point discharge can be avoided, and the touch performance of the product is improved.
Second embodiment, on the basis of the first embodiment, referring to fig. 8, a shielding electrode layer 5 may be further formed between the first ground traces 341 on the second surface 16, where the shielding electrode layer 5 can serve as a shield O L ED and improve the antistatic capability, and as an achievable manner, the shielding electrode layer 5 may be a grid-shaped metal shielding layer.
Example three: referring to fig. 5-7, the first channel trace 31 and the second channel trace 33 of the display panel are disposed on the first surface 15, the isolation trace 32 includes a first isolation trace 321 disposed on the first surface 15, and the ground trace 34 includes a first ground trace 341 disposed on the second surface 16 and a second ground trace 342 disposed on the first surface 15, where the second ground trace 342 includes a plurality of ground sub-traces 3421 disposed at intervals, the substrate 1 is disposed with a via corresponding to each ground sub-trace 3421, and each ground sub-trace 3421 is connected to the first ground trace 341 disposed on the second surface 16 through a corresponding via. It should be noted that the size of the cross section of each of the ground sub-traces 3421 along the direction of the first surface 15 is at least twice the size of the corresponding via, so as to improve the anti-static effect of the product, and the ground traces of the first surface 15 and the second surface 16 are connected by using the via and finally connected with the corresponding connection terminal at the bonding area 4, thereby omitting an additional bonding design.
In a preferred manner, each of the ground sub-traces 3421 has the same width, and the interval between every two adjacent ground sub-traces 3421 is also the same, and the cross-sectional shape of each ground sub-trace 3421 along the first surface 15 may preferably be circular, square or rectangular, which is convenient for manufacturing the display panel.
Further, the distance between every two adjacent ground sub-traces 3421 should satisfy the following requirements: the distance between the side edge and the corresponding side edge is greater than or equal to the distance between the side edge and the corresponding side edge, and is less than twice the distance between the side edge and the corresponding side edge, so that a better electrostatic shielding effect is ensured.
Fourth embodiment, on the basis of the third embodiment, referring to fig. 8, a shielding electrode layer 5 may be further formed between the first ground traces 341 disposed on the second surface 16, where the shielding electrode layer 5 can serve as a shield O L ED and improve the antistatic capability, and as an achievable manner, the shielding electrode layer 5 may be a grid-shaped metal shielding layer.
Example five: referring to fig. 9 and 11, the first surface 15 of the display panel is provided with a first channel trace 31 and a second channel trace 33, the ground trace 34 includes a first ground trace 341 disposed on the second surface 16 and a second ground trace 342 disposed on the first surface 15, the isolation trace 32 includes a first isolation trace 321 disposed on the first surface 15 and a second isolation trace 322 disposed on the second surface 16, wherein the second ground trace 342 includes a plurality of ground sub-traces 3421 disposed at intervals, the first isolation trace 321 includes a plurality of isolation sub-traces 3211 disposed at intervals, the substrate 1 is provided with vias corresponding to the ground sub-traces 3421 and the isolation sub-traces 3211, each ground sub-trace 3421 is connected to the first ground sub-isolation trace 3421 disposed on the second surface 16 through a via, each ground sub-trace 3211 is connected to the second isolation trace 322 disposed on the second surface 16 through a via, and finally connected at the binding region 4.
It should be noted that the cross-sectional dimension of each of the ground sub-traces 3421 and each of the spacer sub-traces 3211 along the first surface 15 is at least twice as large as the dimension of the corresponding via to improve the anti-static effect, and the cross-sectional shapes of the ground sub-traces 3421 and the spacer sub-traces 3211 along the first surface 15 may preferably be circular, square or rectangular.
In a preferred mode, each of the spacer sub-traces 3211 has the same width, and the distance between every two adjacent spacer sub-traces 3211 is the same, and each of the ground sub-traces 3421 has the same width, and the distance between every two adjacent ground sub-traces 3421 is the same. The distance between every two adjacent spacer traces 3211 and the distance between every two adjacent ground traces 3421 on the same side should satisfy the following requirements: the distance between the grounding sub-trace 3421 and the corresponding side is greater than or equal to the distance between the grounding sub-trace 3421 and the corresponding side, and is less than twice the distance between the grounding sub-trace 3421 and the corresponding side, so as to ensure better electrostatic shielding effect.
Sixth embodiment on the basis of the fifth embodiment, referring to fig. 10, a shielding electrode layer 5 may be further formed between the first ground traces 341 on the second surface 16, where the shielding electrode layer 5 can serve as a shield O L ED and improve the antistatic capability, and as an achievable manner, the shielding electrode layer 5 may be a grid-shaped metal shielding layer.
Further, this application still provides a display device, and this display device has included the display panel in any above-mentioned embodiment, because above-mentioned display panel has improved anti silver migration and electrochemical corrosion's ability, and can also shield O L ED signal, has reduced O L ED signal interference, has promoted touch-control performance, consequently, display device's in this application product quality also can be ensured.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (12)
1. The utility model provides a display panel, includes the base plate, the base plate has first side, second side, third side and fourth side, first side with the second side is relative, the third side with the fourth side is relative, the base plate still has relative first surface and the second surface that sets up, its characterized in that, the base plate includes:
a touch area;
the touch control device comprises a wiring area, a first channel wire, a second channel wire, an isolation wire and a grounding wire, wherein the wiring area is positioned at the periphery of the touch control area, the first channel wire is arranged in the wiring area, the second channel wire is arranged in the wiring area and positioned at one side of the first channel wire, which is deviated from the touch control area, the isolation wire is arranged between the first channel wire and the second channel wire and used for isolating the first channel wire and the second channel wire, and the grounding wire is arranged at the second channel wire, which is deviated from the touch control area; the first channel wire and the second channel wire are both arranged on the first surface, and in the part of the second channel wire corresponding to the first side edge, at least one part of the first surface between the second channel wire and the first side edge is not provided with a grounding wire; and/or in the part of the second channel trace corresponding to the third side, at least a part of the first surface between the second channel trace and the third side is not provided with a grounding trace; and/or in a portion of the second channel trace corresponding to the fourth side, at least a portion of the first surface between the second channel trace and the fourth side is not provided with a ground trace;
the first channel routing, the isolation routing, the second channel routing and the grounding routing are connected with the corresponding wiring terminals in the binding area.
2. The display panel of claim 1, wherein the ground traces include a first ground trace disposed on the second surface, and the first ground trace is connected to a corresponding connection terminal in the bonding area through a via hole of the substrate.
3. The display panel according to claim 2, wherein the ground trace further includes a second ground trace disposed on the first surface, the second ground trace includes a plurality of ground sub-traces disposed at intervals, and each of the ground sub-traces is electrically connected to the first ground trace disposed on the second surface through the via hole of the substrate.
4. The display panel according to claim 3, wherein the distance between every two adjacent ground sub-traces is greater than or equal to the distance between the two adjacent ground sub-traces and the side of the substrate, and is less than twice the distance between the two adjacent ground sub-traces and the side of the substrate.
5. The display panel of claim 3, wherein each of the ground sub-traces has a cross-section along the first surface that is circular, square, or rectangular in shape.
6. The display panel of claim 1, wherein the isolation traces include a first isolation trace disposed on the first surface and a second isolation trace disposed on the second surface, and the first isolation trace and the second isolation trace are electrically connected through the via of the substrate.
7. The display panel of claim 6, wherein the first isolation trace comprises a plurality of isolated sub-traces arranged at intervals.
8. The display panel according to claim 7, wherein a distance between every two adjacent spacer traces is greater than or equal to a distance between the ground trace on the same side and the side of the substrate, and is less than twice a distance between the ground trace on the same side and the side of the substrate.
9. The display panel of claim 4 or 5, further comprising a shielding electrode layer disposed between the first ground trace and the second surface.
10. The display panel according to claim 9, wherein the shielding electrode layer has a grid structure.
11. The display panel according to claim 10, wherein the shielding electrode layer is a metal mesh.
12. A display device characterized by comprising the display panel according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020006879.1U CN211124000U (en) | 2020-01-02 | 2020-01-02 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020006879.1U CN211124000U (en) | 2020-01-02 | 2020-01-02 | Display panel and display device |
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| Publication Number | Publication Date |
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| CN211124000U true CN211124000U (en) | 2020-07-28 |
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| CN202020006879.1U Active CN211124000U (en) | 2020-01-02 | 2020-01-02 | Display panel and display device |
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| CN (1) | CN211124000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041057A1 (en) * | 2020-08-27 | 2022-03-03 | 京东方科技集团股份有限公司 | Touch substrate and manufacturing method therefor, and touch display device |
| CN114428570A (en) * | 2022-01-24 | 2022-05-03 | 京东方科技集团股份有限公司 | Display panel, display module and display device |
| WO2022156346A1 (en) * | 2021-01-25 | 2022-07-28 | 京东方科技集团股份有限公司 | Display apparatus, touch-control display panel and manufacturing method therefor, and touch-control panel |
-
2020
- 2020-01-02 CN CN202020006879.1U patent/CN211124000U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041057A1 (en) * | 2020-08-27 | 2022-03-03 | 京东方科技集团股份有限公司 | Touch substrate and manufacturing method therefor, and touch display device |
| CN114730229A (en) * | 2020-08-27 | 2022-07-08 | 京东方科技集团股份有限公司 | Touch substrate, manufacturing method thereof and touch display device |
| US11768569B2 (en) | 2020-08-27 | 2023-09-26 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Touch substrate and method of forming the same, and touch display device |
| WO2022156346A1 (en) * | 2021-01-25 | 2022-07-28 | 京东方科技集团股份有限公司 | Display apparatus, touch-control display panel and manufacturing method therefor, and touch-control panel |
| US20230102480A1 (en) * | 2021-01-25 | 2023-03-30 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Display apparatus, touch-control display panel and manufacturing method therefor, and touch-control panel |
| US11829545B2 (en) * | 2021-01-25 | 2023-11-28 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Display apparatus, touch-control display panel and manufacturing method therefor, and touch-control panel |
| CN114428570A (en) * | 2022-01-24 | 2022-05-03 | 京东方科技集团股份有限公司 | Display panel, display module and display device |
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