CN-122018726-A - Array substrate, display panel and display device

Abstract

The embodiment of the application provides an array substrate, a display panel and a display device, wherein the array substrate comprises a substrate, a first signal wire, a second signal wire, a first touch control wiring and a second touch control wiring, the first signal wire is positioned on one side of the substrate and extends along a first direction, the second signal wire is positioned on one side of the first signal wire, which is away from the substrate, and extends along a second direction, the second direction intersects the first direction, the first touch control wiring extends along the first direction, a plurality of first touch control wirings form a group of first touch control coils, the first touch control wiring and the first signal wire are arranged on the same layer or are positioned on one side of the second signal wire, which is away from the substrate, the second touch control wiring extends along the second direction, a group of second touch control coils is formed by a plurality of second touch control wirings, and the second touch control wiring and the second signal wire are arranged on the same layer. The array substrate not only realizes the electromagnetic touch function, so that the product has finer writing handwriting and quicker response speed, but also can reduce the mask times of at least one layer, thereby being beneficial to saving the cost.

Inventors

• LIU HAO
• YANG JIANGUANG
• CUI FENGYAN
• DUAN MINGZHENG
• ZHOU BO
• GUO ZHIQIANG
• ZHANG JINGZHI

Assignees

• 北京京东方显示技术有限公司
• 京东方科技集团股份有限公司

Dates

Publication Date

20260512

Application Date

20260304

Claims (15)

1. 1. An array substrate, characterized by comprising: A substrate; A first signal line located at one side of the substrate, the first signal line extending in a first direction; a second signal line located at a side of the first signal line facing away from the substrate, the second signal line extending in a second direction intersecting the first direction; The first touch control wires extend along the first direction, a plurality of first touch control wires form a group of first touch control coils, the first touch control wires and the first signal wires are arranged on the same layer, or the first touch control wires are positioned on one side of the second signal wires, which is away from the substrate; the second touch control wires extend along the second direction, a plurality of second touch control wires form a group of second touch control coils, and the second touch control wires and the second signal wires are arranged on the same layer.
2. 2. The array substrate according to claim 1, further comprising a first connection line extending along the second direction, the first connection line being disposed on the same layer as the second signal line, wherein the plurality of first touch traces in the first touch coil are connected through the plurality of first connection lines.
3. 3. The array substrate of claim 2, wherein a plurality of the first touch traces in the first touch coil are connected in parallel through the first connection line, first ends of the plurality of the first touch traces in the first touch coil are connected to the same first connection line, and second ends of the plurality of the first touch traces are connected to another first connection line, or And a plurality of first touch control wires in the first touch control coil are connected in series through the first connecting wire.
4. 4. The array substrate according to claim 1, further comprising a second connection line, wherein the second connection line extends along the first direction, the second connection line is disposed on the same layer as the first signal line, or the second connection line is located on a side, away from the substrate, of the second signal line, and a plurality of second touch traces in the second touch coil are connected through a plurality of second connection lines.
5. 5. The array substrate of claim 4, wherein a plurality of the second touch traces in the second touch coil are connected in parallel through the second connection line, first ends of the plurality of the second touch traces in the second touch coil are connected to the same second connection line, and second ends of the plurality of the second touch traces are connected to another second connection line, or And a plurality of second touch control wires in the second touch control coil are connected in series through the second connecting wire.
6. 6. The array substrate of claim 1, further comprising a plurality of first electrodes arranged in an array along the first direction and the second direction; The front projection of the first touch wire on the substrate is not overlapped with the front projection of the first electrode on the substrate, and the front projection of the second touch wire on the substrate is not overlapped with the front projection of the first electrode on the substrate.
7. 7. The array substrate of claim 6, wherein the array substrate comprises a first electrode row comprising a plurality of the first electrodes arranged along a first direction and a first electrode column comprising a plurality of the first electrodes arranged along the second direction; the number of the first touch control wires is a positive integer multiple of the number of the first electrode rows, and/or the number of the second touch control wires is a positive integer multiple of the number of the first electrode columns.
8. 8. The array substrate according to claim 6, wherein a plurality of the first touch coils are sequentially arranged along the second direction and/or a plurality of the second touch coils are sequentially arranged along the first direction in the array substrate.
9. 9. The array substrate of claim 6, wherein the array substrate comprises a first region and a second region, the second region comprises a first partition, a second partition, a third partition and a fourth partition nested outside the first region in sequence, the first electrode is located in the first region, the first touch trace is located in the first region, the first partition and the second partition, and the second touch trace is located in the first region, the first partition and the second partition; The array substrate further comprises a third connecting wire, a first public signal wire, a second public signal wire and a driving module, wherein the third connecting wire and the driving module are located in the third partition, the first public signal wire and the second public signal wire are located in the fourth partition, the third connecting wire is used for connecting the first touch coil with the driving module, the first touch wire is connected with the first public signal wire, and the second touch wire is connected with the second public signal wire.
10. 10. The array substrate of claim 9, further comprising a second electrode located on a side of the second signal line facing away from the substrate, the second electrode located on the first and second partitions.
11. 11. The array substrate of claim 10, wherein when the second touch trace is located on a side of the second signal line facing away from the substrate, the second touch trace is located on a side of the second electrode facing away from the substrate.
12. 12. The array substrate of claim 9, wherein a width between an edge of the third partition away from the first region and the first region ranges from 2.9mm to 3.1mm.
13. 13. A display panel comprising the array substrate according to any one of claims 1 to 12.
14. 14. The display panel of claim 13, further comprising a liquid crystal layer and a color film substrate disposed opposite the array substrate, the liquid crystal layer being between the color film substrate and the array substrate.
15. 15. A display device comprising the display panel according to claim 13 or 14.

Description

Array substrate, display panel and display device Technical Field The disclosure relates to the technical field of display, in particular to an array substrate, a display panel and a display device. Background EMR (Electro Magnetic Resonance) Incell is a technology of integrating electromagnetic touch technology into the interior of an LCD liquid crystal panel. Compared with the traditional capacitive touch control, the capacitive touch control device has the advantages of finer handwriting, higher response speed, unique suspension positioning and the like, can be used for writing with higher precision and lower delay in the field of painting, and can make an LCD liquid crystal panel lighter and thinner and lower in cost. Current LCD liquid crystal panel designs result in higher cost LCD liquid crystal panels. Disclosure of Invention Embodiments of the present disclosure provide an array substrate, a display panel, and a display device, to solve or alleviate one or more technical problems in the prior art. As a first aspect of the embodiments of the present disclosure, the embodiments of the present disclosure provide an array substrate, including: A substrate; A first signal line located at one side of the substrate, the first signal line extending in a first direction; a second signal line located at a side of the first signal line facing away from the substrate, the second signal line extending in a second direction intersecting the first direction; The first touch control wires extend along the first direction, a plurality of first touch control wires form a group of first touch control coils, the first touch control wires and the first signal wires are arranged on the same layer, or the first touch control wires are positioned on one side of the second signal wires, which is away from the substrate; the second touch control wires extend along the second direction, a plurality of second touch control wires form a group of second touch control coils, and the second touch control wires and the second signal wires are arranged on the same layer. As a second aspect of the embodiments of the present disclosure, the embodiments of the present disclosure provide a display panel including the array substrate disclosed in the embodiments. As a third aspect of the embodiments of the present disclosure, the embodiments of the present disclosure provide a display device including the display panel in the embodiments of the present disclosure. In the array substrate provided by the application, the first touch wiring and the second touch wiring form the electromagnetic touch module, and the electromagnetic touch module is integrated in the array substrate, so that an electromagnetic touch function can be realized, and the electromagnetic touch module can be matched with an electromagnetic pen, so that touch and display are realized. Specifically, the extending direction of the first touch trace and the extending direction of the first signal line are the same, so that the first touch trace and the first signal line can be arranged on the same layer to reduce the preparation cost, or the first touch trace can be an independent layer. The extending direction of the second touch control wiring is the same as that of the second signal wire, so that the second touch control wiring and the second signal wire can be arranged on the same layer, and the preparation cost is reduced. The array substrate not only realizes the electromagnetic touch function, so that the product has finer writing and faster response speed, but also can reduce the mask times of at least one layer, thereby being beneficial to simplifying the preparation process and saving the preparation cost. The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present disclosure will become apparent by reference to the drawings and the following detailed description. Drawings In the drawings, the same reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily drawn to scale. It is appreciated that these drawings depict only some embodiments according to the disclosure and are not to be considered limiting of its scope. FIG. 1 is a schematic diagram of an array substrate according to the present application; FIG. 2 is a cross-sectional view taken along line P-P' of FIG. 1; FIG. 3 is another cross-sectional view taken along line P-P' of FIG. 1; fig. 4 is a schematic structural diagram of a first touch coil and a second touch coil in an array substrate according to the present application; fig. 5 is a schematic diagram of a first structure of a first touch coil in an array substrate according to the present application; fig. 6 is a schematic diagram of a second structure of a firs