Display panel and display device

The display panel integrates capacitive and electromagnetic touch control channels with insulated arrangements to reduce thickness and simplify manufacturing, ensuring both touch functions operate effectively without interference.

JP7820395B2Active Publication Date: 2026-02-25WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO LTD
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Patent Information

Application Number
JP2023548958
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2023-05-11
Filing Date
2023-05-31
Publication Date
2026-02-25
Estimated Expiration
2043-05-31

AI Technical Summary

Technical Problem

Conventional OLED display panels face issues of increased thickness and complex manufacturing processes due to the integration of electromagnetic touch control layers, which complicates production and design.

Method used

A display panel design incorporating capacitive and electromagnetic touch control channels arranged in intersecting directions with insulated connections, allowing both touch control methods to share a common space without interference, thereby reducing thickness and simplifying the manufacturing process.

Benefits of technology

The design achieves a lightweight and thin display panel with both electromagnetic and capacitive touch functions, minimizing signal interference and enhancing production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application provides a display panel and a display device. In the touch control layer of the display panel, the capacitive touch control unit includes a first capacitive touch control channel and a second capacitive touch control channel arranged in an intersecting manner, and the electromagnetic touch control unit includes a first electromagnetic touch control channel and a second electromagnetic touch control channel arranged in an intersecting manner. The first capacitive touch control channel is arranged in insulation between two adjacent first electromagnetic touch control channels, and the second capacitive touch control channel is arranged in insulation between two adjacent second electromagnetic touch control channels.
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Description

[Technical Field]

[0001] The present application relates to the field of display technology, and more particularly to a display panel and a display device. [Background technology]

[0002] Organic Light-Emitting Diode (OLED) display panels have advantages over LCD panels, such as being lighter and thinner, having better display effects, higher resolution, a wider color gamut, lower power consumption, and the ability to realize flexible displays. They have developed rapidly in recent years and have become the leading display panel type for small and medium-sized displays.

[0003] The usual method for providing electromagnetic touch control function to a conventional display panel is to add an electromagnetic coil layer inside or outside the display panel, which brings about technical defects such as increasing the overall thickness of the display panel and complicating the production process. Summary of the Invention [Problem to be solved by the invention]

[0004] In response to the above technical drawbacks, there is a need to design a display panel that is lightweight, thin, and relatively easy to manufacture.

[0005] The present application provides a display panel and a display device, which can effectively solve the problems of the conventional OLED display panel, such as the overall thickness and the complicated manufacturing process. [Means for solving the problem]

[0006] In one example, the present application provides a display panel, the display panel including a touch control layer, the touch control layer including a plurality of first capacitive touch control channels spaced apart along a first direction and a plurality of second capacitive touch control channels spaced apart along a second direction, the first capacitive touch control channels extending along the second direction and the second capacitive touch control channels extending along the first direction; and an electromagnetic touch control including a plurality of first electromagnetic touch control channels spaced apart along the first direction and a plurality of second electromagnetic touch control channels spaced apart along the second direction, the first electromagnetic touch control channels extending along the second direction and the second electromagnetic touch control channels extending along the first direction, wherein the first direction intersects with the second direction, the first capacitive touch control channels being disposed in isolation between two adjacent first electromagnetic touch control channels, and the second capacitive touch control channels being disposed in isolation between two adjacent second electromagnetic touch control channels.

[0007] Preferably, the first terminals of every two of the first electromagnetic touch control channels are electrically connected to form a first electromagnetic touch control channel group, and the first terminals of every two of the second electromagnetic touch control channels are electrically connected to form a second electromagnetic touch control channel group, wherein the two first electromagnetic touch control channels in each of the first electromagnetic touch control channel groups are not adjacent, and the two second electromagnetic touch control channels in each of the second electromagnetic touch control channel groups are not adjacent.

[0008] Preferably, two of the first electromagnetic touch control channels are disposed between any two adjacent first capacitive touch control channels, and two of the second electromagnetic touch control channels are disposed between any two adjacent second capacitive touch control channels.

[0009] Preferably, the first capacitive touch control channel located on the periphery of the display panel is a first peripheral capacitive touch control channel, and two first electromagnetic touch control channels are arranged on the first peripheral capacitive touch control channel away from the other first capacitive touch control channel, and the two first electromagnetic touch control channels belong to different first electromagnetic touch control channel groups; the second capacitive touch control channel located on the periphery of the display panel is a second peripheral capacitive touch control channel, and two second electromagnetic touch control channels are arranged on the second peripheral capacitive touch control channel away from the other second capacitive touch control channel, and the two second electromagnetic touch control channels belong to different second electromagnetic touch control channel groups.

[0010] Preferably, the first terminals of all the first electromagnetic touch control channels are electrically connected, and the first terminals of all the second electromagnetic touch control channels are electrically connected, wherein the display panel further includes a touch driving chip and a switch selection circuit, and the touch driving chip is electrically connected to the second terminals of the first electromagnetic touch control channel and the second terminals of the second electromagnetic touch control channel respectively by the switch selection circuit.

[0011] Preferably, one of the first capacitive touch control channels is disposed between any two adjacent first electromagnetic touch control channels, and one of the second capacitive touch control channels is disposed between any two adjacent second electromagnetic touch control channels.

[0012] Preferably, the first capacitive touch control channel includes a plurality of first touch control electrodes arranged sequentially along a second direction, and the second capacitive touch control channel includes a plurality of second touch control electrodes arranged sequentially along the first direction, and adjacent first touch control electrodes and second touch control electrodes form a touch control electrode unit, where the touch control electrode unit is surrounded by the first electromagnetic touch control channel and the second electromagnetic touch control channel arranged crosswise.

[0013] Preferably, the first touch control electrode includes one first body portion and two first branch portions, the first body portion extending along the second direction, and the two first branch portions respectively located on both sides of the first body portion; the second touch control electrode includes one second body portion and two second branch portions, the second body portion extending along the first direction, and the two second branch portions respectively located on both sides of the second body portion; wherein the first branch portion includes a plurality of first branch bars arranged at intervals, and the second branch portion includes a plurality of second branch bars arranged at intervals.

[0014] Preferably, the touch control layer includes a first touch control layer and a second touch control layer, the first capacitive touch control channel includes a first portion and a second portion, the first portion overlaps with the second capacitive touch control channel in a direction perpendicular to a plane on which the display panel is located, but the second portion does not overlap with the second capacitive touch control channel, the first capacitive touch control channel includes a third portion and a fourth portion, the third portion overlaps with the second capacitive touch control channel in a direction perpendicular to a plane on which the display panel is located, but the fourth portion does not overlap with the second capacitive touch control channel, wherein the first portion and the third portion are located on the first touch control layer, and the second portion and the fourth portion are located on the second touch control layer.

[0015] In another example, the present application provides a display device, the display device including a housing and any of the display panels described above, wherein the housing has an accommodation space and the display panel is disposed within the accommodation space. [Effects of the Invention]

[0016] The present application provides a display panel and a display device, the display panel including a touch control layer, the touch control layer including a capacitive touch controller and an electromagnetic touch controller, the capacitive touch controller including a plurality of first capacitive touch control channels and a plurality of second capacitive touch control channels, the first capacitive touch control channels being arranged crosswise with the second capacitive touch control channels, the electromagnetic touch controller including a plurality of first electromagnetic touch control channels and a plurality of second electromagnetic touch control channels, the first electromagnetic touch control channels being arranged crosswise with the second electromagnetic touch control channels, wherein the first capacitive touch control channels are arranged with insulation between adjacent two first electromagnetic touch control channels, and the second capacitive touch control channels are arranged with insulation between adjacent two second electromagnetic touch control channels. The display panel and display device provided by the present application can achieve the objective of reducing the thickness of the display panel and simplifying the production process, and the display panel can have both electromagnetic touch functions and capacitive touch functions, without mutual interference between the electromagnetic touch control signals and the capacitive touch control signals.

[0017] In order to more clearly explain the technical solutions in the embodiments of the present application, the drawings necessary in the description of the embodiments are briefly described below. However, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained without any creative efforts and are obvious to those skilled in the art. [Brief explanation of the drawings]

[0018] [Figure 1] 1 is a schematic diagram showing a film layer structure of a display panel according to Example 1 of the present application. [Figure 2]1 is a schematic top view illustrating a capacitive touch control unit and an electromagnetic touch control unit according to a first embodiment of the present invention. [Figure 3] FIG. 2 is a schematic top view illustrating a first capacitive touch control channel according to the first embodiment of the present invention; [Figure 4] FIG. 2 is a schematic top view illustrating a second capacitive touch control channel according to the first embodiment of the present invention; [Figure 5] FIG. 2 is a top view of a first electromagnetic touch control channel according to a first embodiment of the present disclosure; [Figure 6] FIG. 10 is a top view of a second electromagnetic touch control channel according to the first embodiment of the present invention; [Figure 7] FIG. 2 is a schematic top view illustrating a touch control electrode unit according to the first embodiment of the present invention; [Figure 8] FIG. 10 is a schematic top view illustrating a capacitive touch control unit and an electromagnetic touch control unit according to a second embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. However, it is clear that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that a person skilled in the art can obtain without inventive efforts are within the scope of protection of the present application based on the embodiments described herein. Furthermore, it should be understood that the detailed description of the present application is merely for the purpose of explaining the present application and is not intended to limit the present application. In this application, directional terms such as "upper" and "lower" generally refer to the upper and lower sides of the device in its actual use or operating state, specifically in the drawings, unless otherwise specified. Meanwhile, "inner" and "outer" are terms relative to the contour of the device.

[0020] The following disclosure provides many different embodiments or examples for implementing various configurations of the present application. To simplify the disclosure of the present application, the components and configurations of specific examples are described below. It should be understood that these are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and / or characters in various examples; such repetition is for purposes of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or configurations described. Furthermore, while the present application provides examples of various specific processes and materials, those skilled in the art will recognize the application of other processes or the use of other materials. Note that, although each will be described in detail below, the order in which the following examples are described does not limit the preferred order of the examples.

[0021] Example 1 FIG. 1 is a schematic diagram showing a film layer structure of a display panel according to Example 1 of the present application, FIG. 2 is a schematic top view showing a capacitive touch controller and an electromagnetic touch controller according to Example 1 of the present application, FIG. 3 is a schematic top view showing a first capacitive touch control channel according to Example 1 of the present application, FIG. 4 is a schematic top view showing a second capacitive touch control channel according to Example 1 of the present application, FIG. 5 is a schematic top view showing the first electromagnetic touch control channel according to Example 1 of the present application, and FIG. 6 is a schematic top view showing the second electromagnetic touch control channel according to Example 1 of the present application. 1 to 6, in one example, Example 1 of the present application provides a display panel 01, the display panel 01 including a touch control layer 03, the touch control layer 03 including a capacitive touch controller 10 and an electromagnetic touch controller 20, the capacitive touch controller 10 including a plurality of first capacitive touch control channels 11 spaced apart along a first direction X and a plurality of second capacitive touch control channels 12 spaced apart along a second direction Y, the first capacitive touch control channels 11 extending along the second direction Y and the second capacitive touch control channels 12 extending along the first direction X, the electromagnetic touch controller 20 including a first capacitive touch control channel 11 extending along the second direction Y and the second capacitive touch control channel 12 extending along the first direction X, The touch control device includes a plurality of first electromagnetic touch control channels 21 spaced apart along one direction X and a plurality of second electromagnetic touch control channels 22 spaced apart along a second direction Y, wherein the first electromagnetic touch control channels 21 extend along the second direction Y and the second electromagnetic touch control channels 22 extend along the first direction X, where the first direction X crosses the second direction Y, and the first capacitive touch control channel 11 is disposed between two adjacent first electromagnetic touch control channels 21 in an insulated manner, and the second capacitive touch control channel 12 is disposed between two adjacent second electromagnetic touch control channels 22 in an insulated manner.

[0022] In the display panel 01 provided in the present application, the first capacitive touch control channel 11 is disposed between two adjacent first electromagnetic touch control channels 21, so that the first electromagnetic touch control channel 21 does not overlap with the first capacitive touch control channel 11 in a direction perpendicular to the plane on which the display panel 01 is located, and the second capacitive touch control channel 12 is disposed between two adjacent second electromagnetic touch control channels 22, so that the second electromagnetic touch control channel 22 does not overlap with the second capacitive touch control channel 12 in a direction perpendicular to the plane on which the display panel 01 is located. As a result, the capacitive touch controller 10 and the electromagnetic touch controller 20 share a space in a direction perpendicular to the plane on which the display panel 01 is located, and a structural design in which the capacitive touch controller 10 and the electromagnetic touch controller 20 are both disposed on the touch control layer 03 is realized, thereby achieving the objective of reducing the thickness of the display panel 01 and simplifying the manufacturing process.

[0023] In addition, the first capacitive touch control channel 11 is arranged insulated from the first electromagnetic touch control channel 21, and the second capacitive touch control channel 12 is arranged insulated from the second electromagnetic touch control channel 22, so that the display panel 01 has both an electromagnetic touch function and a capacitive touch function, and the electromagnetic touch control signal and the capacitive touch control signal do not interfere with each other.

[0024] In some embodiments of the present application, the first direction X is the horizontal direction in Fig. 2 and the second direction Y is the vertical direction in Fig. 2, but the present application does not limit the specific directions indicated by the first direction X and the second direction Y. For example, in other embodiments of the present application, the first direction X may be the vertical direction in Fig. 2 and the second direction Y may be the horizontal direction in Fig. 2.

[0025] In some embodiments of the present application, the first terminals 211 of every two of the first electromagnetic touch control channels 21 are electrically connected to form one first electromagnetic touch control channel group 40, and the first terminals 221 of every two of the second electromagnetic touch control channels 22 are electrically connected to form one second electromagnetic touch control channel group 50, where the two first electromagnetic touch control channels 21 in each of the first electromagnetic touch control channel groups 40 are not adjacent, and the two second electromagnetic touch control channels 22 in each of the second electromagnetic touch control channel groups 50 are not adjacent.

[0026] In the display panel 01 provided by the present application, the two first electromagnetic touch control channels 21 in each of the first electromagnetic touch control channel groups 40 are not adjacent to each other, and the two second electromagnetic touch control channels 22 in each of the second electromagnetic touch control channel groups 50 are not adjacent to each other. That is, between two first electromagnetic touch control channels 21 in each of the first electromagnetic touch control channel groups 40, at least one first electromagnetic touch control channel 21 in another of the first electromagnetic touch control channel groups 40 is disposed, and between two second electromagnetic touch control channels 22 in each of the second electromagnetic touch control channel groups 50, at least one second electromagnetic touch control channel 22 in another of the second electromagnetic touch control channel groups 50 is disposed, so that, in the direction perpendicular to the plane on which the display panel 01 is located, the area defined by each of the first electromagnetic touch control channel groups 40 overlaps with the area defined by at least one other of the first electromagnetic touch control channel groups 40, and the area defined by each of the second electromagnetic touch control channel groups 50 overlaps with the area defined by at least one other of the second electromagnetic touch control channel groups 50, thereby realizing a coil design for the electromagnetic coil and greatly improving the electromagnetic driving function of the electromagnetic touch controller 20.

[0027] Furthermore, the first terminal 111 of the first capacitive touch control channel 11 is arranged insulated from the first electromagnetic touch control channel 21, and the first terminal 121 of the second capacitive touch control channel 12 is arranged insulated from the second electromagnetic touch control channel 22.

[0028] In some embodiments of the present application, the display panel 01 further includes a touch control driving chip 30, and the second terminal 112 of the first capacitive touch control channel 11, the second terminal 122 of the second capacitive touch control channel 12, the second terminal 212 of the first electromagnetic touch control channel 21, and the second terminal 222 of the second electromagnetic touch control channel 22 are all electrically connected to the touch control driving chip 30.

[0029] In the display panel 01 provided by the present application, the second terminal 112 of the first capacitive touch control channel 11, the second terminal 122 of the second capacitive touch control channel 12, the second terminal 212 of the first electromagnetic touch control channel 21, and the second terminal 222 of the second electromagnetic touch control channel 22 are all electrically connected to the touch driving chip 30. Therefore, the display panel 01 only needs one touch driving chip 30 to control each capacitive touch control channel in the capacitive touch controller 10 and each electromagnetic touch control channel in the electromagnetic touch controller 20, which is advantageous to improve the integration degree of the display panel 01 and reduce the width of the lower frame of the display panel 01.

[0030] In some embodiments of the present application, two of the first electromagnetic touch control channels 21 are arranged between any two adjacent first capacitive touch control channels 11, and two of the first electromagnetic touch control channels 22 are arranged between any two adjacent second capacitive touch control channels 12.

[0031] In the display panel 01 provided by the present application, two of the first electromagnetic touch control channels 21 are arranged between any two adjacent first capacitive touch control channels 11, and two of the second electromagnetic touch control channels 22 are arranged between any two adjacent second capacitive touch control channels 12, thereby greatly improving the touch control accuracy of the electromagnetic touch controller 20 and improving the quality of the electromagnetic touch control.

[0032] Furthermore, the first capacitive touch control channel 11 located on the periphery of the display panel 01 is a first peripheral capacitive touch control channel 110, and two first electromagnetic touch control channels 21 are arranged on the first peripheral capacitive touch control channel 110 away from the other first capacitive touch control channels 11, and the two first electromagnetic touch control channels 21 belong to different first electromagnetic touch control channel groups 40. The second capacitive touch control channel 12 located on the periphery of the display panel 01 is a second peripheral capacitive touch control channel 120, and two second electromagnetic touch control channels 22 are arranged on the second peripheral capacitive touch control channel 120 away from the other second capacitive touch control channels 12, and the two second electromagnetic touch control channels 22 belong to different second electromagnetic touch control channel groups 50.

[0033] In the display panel 01 provided by the present application, two first electromagnetic touch control channels 21 are arranged on the side of the first peripheral capacitive touch control channel 110 away from the other first capacitive touch control channels 11, and the two first electromagnetic touch control channels 21 belong to different first electromagnetic touch control channel groups 40, so that the first electromagnetic touch control channel group 40 located on the peripheral edge of the display panel 01 can also realize a coil design with other first electromagnetic touch control channel groups 40.

[0034] Similarly, in the display panel 01 provided by the present application, two second electromagnetic touch control channels 22 are arranged on the side of the second peripheral capacitive touch control channel 120 away from the other second capacitive touch control channels 12, and the two second electromagnetic touch control channels 22 belong to different second electromagnetic touch control channel groups 50, so that the second electromagnetic touch control channel group 50 located on the peripheral edge of the display panel 01 can also realize a coil design with other second electromagnetic touch control channel groups 50.

[0035] 7 is a top schematic diagram of a touch control electrode unit according to a first embodiment of the present application. Referring to FIGS. 1 to 7 together, in some embodiments of the present application, the first capacitive touch control channel 11 includes a plurality of first touch control electrodes 113 sequentially arranged along a second direction Y, the second capacitive touch control channel 12 includes a plurality of second touch control electrodes 123 sequentially arranged along a first direction X, and the adjacent first touch control electrode 113 and the adjacent second touch control electrode 123 constitute a touch control electrode unit TRD, where the touch control electrode unit TRD is surrounded by the first electromagnetic touch control channel 21 and the second electromagnetic touch control channel 22 arranged crosswise.

[0036] In the display panel 01 provided in the present application, the touch control electrode unit TRD is surrounded by the first electromagnetic touch control channel 21 and the second electromagnetic touch control channel 22, which are arranged crosswise, so that the touch control electrode unit TRD does not overlap with the first electromagnetic touch control channel 21 and the second electromagnetic touch control channel 22 in a direction perpendicular to the plane on which the display panel 01 is located. This realizes a structural design in which both the capacitive touch controller 10 and the electromagnetic touch controller 20 are arranged on the touch control layer 03, thereby achieving the purpose of reducing the thickness of the display panel 01 and simplifying the production process.

[0037] Specifically, in a manner that reduces the area of ​​the touch control electrode unit TRD, the touch control electrode unit TRD can be surrounded by the first electromagnetic touch control channel 21 and the second electromagnetic touch control channel 22 that are arranged crosswise.

[0038] Furthermore, a dummy electrode B is arranged between the touch control electrode unit TRD and the first electromagnetic touch control channel 21 and the second electromagnetic touch control channel 22 arranged crosswise, and the dummy electrode B is arranged to be insulated from the touch control electrode unit TRD, the first electromagnetic touch control channel 21, and the second electromagnetic touch control channel 22, respectively.

[0039] In some embodiments of the present application, the first touch control electrode 113 includes one first body 1131 and two first branch portions 1132, the first body 1131 extends along the second direction Y, and the two first branch portions 1132 are located on both sides of the first body 1131, respectively; the second touch control electrode 123 includes one first body 1231 and two second branch portions 1232, the second body 1231 extends along the first direction X, and the two second branch portions 1232 are located on both sides of the second body 1231, respectively; the first branch portion 1132 includes a plurality of first branch bars 1133 arranged at intervals, and the second branch portion 1232 includes a plurality of second branch bars 1233 arranged at intervals.

[0040] In the display panel 01 provided by the present application, the first branch portion 1132 includes a plurality of first branch bars 1133 spaced apart, thereby increasing the capacitive coupling amount of the first touch control electrode 113, and the second branch portion 1232 includes a plurality of second branch bars 1233 spaced apart, thereby increasing the capacitive coupling amount of the second touch control electrode 123, thereby improving the accuracy of touch control of the capacitive touch controller 10 and avoiding the problem of degrading the quality of capacitive touch control due to a reduction in the area of ​​the touch control electrode unit TRD.

[0041] Preferably, the two first branch portions 1132 located on both sides of the first main body portion 1131 are axially symmetrical with respect to the first main body portion 1131, and the two second branch portions 1232 located on both sides of the second main body portion 1231 are axially symmetrical with respect to the second main body portion 1231.

[0042] Preferably, the first branch portion 1132 includes two first sub-branches, which are axially symmetrical with respect to the second main body portion 1231, and each of the first sub-branches includes a plurality of first branch bars 1133 spaced apart, and the second branch portion 1232 includes two second sub-branches, which are axially symmetrical with respect to the first main body portion 1131, and each of the second sub-branches includes a plurality of second branch bars 1233 spaced apart.

[0043] In some embodiments of the present application, the touch control layer 03 includes a first touch control layer 04 and a second touch control layer 05, the first capacitive touch control channel 11 includes a first portion 041 and a second portion 051, and in a direction perpendicular to a plane on which the display panel 01 is located, the first portion 041 does not overlap with the second capacitive touch control channel 12, the first electromagnetic touch control channel 21 includes a third portion 042 and a fourth portion 052, and in a direction perpendicular to a plane on which the display panel 01 is located, the third portion 042 does not overlap with the second electromagnetic touch control channel 22, wherein the first portion 041 and the third portion 042 are located on the first touch control layer 04, and the second portion 051 and the fourth portion 052 are located on the second touch control layer 05.

[0044] In the display panel 01 provided by the present application, the first portion 041 overlaps the second capacitive touch control channel 12, and the third portion 042 overlaps the second electromagnetic touch control channel 22, i.e., the first portion 041 belongs to the bridge portion of the capacitive touch controller 10, and the third portion 042 belongs to the bridge portion of the electromagnetic touch controller 20. The second portion 051 does not overlap the second electromagnetic touch control channel 22, and the fourth portion 052 does not overlap the second electromagnetic touch control channel 22, i.e., the second portion 051 and the second capacitive touch control channel 12 belong to the main body of the capacitive touch controller 10, and the fourth portion 052 and the second electromagnetic touch control channel 22 belong to the main body of the electromagnetic touch controller 20.

[0045] In the present application, the bridging portion of the capacitive touch controller 10 is arranged on the same layer as the bridging portion of the electromagnetic touch controller 20, and the main body portion of the capacitive touch controller 10 is arranged on the same layer as the main body portion of the electromagnetic touch controller 20, thereby realizing the sharing of film layers between the capacitive touch controller 10 and the electromagnetic touch controller 20, thereby achieving the purpose of reducing the thickness of the display panel 01 and simplifying the production and manufacturing process.

[0046] Furthermore, the dummy electrode B is disposed in the same layer as the second portion 051, that is, the dummy electrode B is disposed in the second touch control layer 05.

[0047] In some embodiments of the present application, the display panel 01 includes a display panel body 02, and the display panel body 02 includes a plurality of pixel units arranged in an array, and the types of the pixel units may be OLED pixel units, LED pixel units, or LCD pixel units.

[0048] In some embodiments of the present application, the touch control layer 03 is disposed on the display side of the main body 02 of the display panel, where the display side refers to the side where a user can see the display screen of the display panel 01. Here, the first touch control layer 04 and the second touch control layer 05 are sequentially stacked on the display side of the main body 02 of the display panel, and a touch control insulating layer 06 is disposed between the first touch control layer 04 and the second touch control layer 05. Of course, the present application does not limit the relative positional relationship between the first touch control layer 04 and the second touch control layer 05 with respect to the main body 02 of the display panel. For example, in other embodiments of the present application, the second touch control layer 05 and the first touch control layer 04 are sequentially stacked on the display side of the main body 02 of the display panel.

[0049] In another example, Example 1 of the present application provides a display device, the display device including a housing and any of the display panels 01 described above, wherein the housing has an accommodation space, and the display panel 01 is disposed within the accommodation space.

[0050] Example 2 8 is a top view of a capacitive touch control unit and an electromagnetic touch control unit according to a second embodiment of the present invention. As shown in FIGS. 1, 3-4, and 7-8, the second embodiment of the present invention provides a display panel 01 and a display device, the display panel 01 including a touch control layer 03, the touch control layer 03 including a capacitive touch control unit 10 and an electromagnetic touch control unit 20, the capacitive touch control unit 10 including a plurality of first capacitive touch control channels 11 spaced apart along a first direction X and a plurality of second capacitive touch control channels 12 spaced apart along a second direction Y, the first capacitive touch control channels 11 extending along the second direction Y and the second capacitive touch control channels 12 extending along the first direction X, the electromagnetic touch control The control unit 20 includes a plurality of first electromagnetic touch control channels 21 spaced apart along a first direction X and a plurality of second electromagnetic touch control channels 22 spaced apart along a second direction Y, the first electromagnetic touch control channels 21 extending along the second direction Y and the second electromagnetic touch control channels 22 extending along the first direction X, where the first direction X intersects with the second direction Y, the first capacitive touch control channel 11 being insulated between two adjacent first electromagnetic touch control channels 21, and the second capacitive touch control channel 12 being insulated between two adjacent second electromagnetic touch control channels 22. The display device includes a housing and the display panel 01, where the housing has a receiving space and the display panel 01 is disposed in the receiving space.

[0051] The configuration of the display panel 01 and the display device according to the second embodiment of the present invention is similar to the configuration of the display panel 01 and the display device according to the first embodiment of the present invention, and therefore, a description of the same parts will be omitted in the second embodiment of the present invention.

[0052] The difference is that the first terminals 211 of all the first electromagnetic touch control channels 21 are electrically connected, and the first terminals 221 of all the second electromagnetic touch control channels 22 are electrically connected. The display panel 01 further includes a touch driving chip 30 and a switch selection circuit 31, and the touch driving chip 30 is electrically connected to the second terminals 212 of the first electromagnetic touch control channels 21 and the second terminals 222 of the second electromagnetic touch control channels 22 through the switch selection circuit 31.

[0053] In the display panel 01 provided by the present application, the touch driving chip 30 is electrically connected to the second terminal 212 of the first electromagnetic touch control channel 21 by the switch selection circuit 31, and the switch selection circuit 31 can independently turn on and off the electrical connection state between the first electromagnetic touch control channel 21 and the touch driving chip 30. Therefore, any two first electromagnetic touch control channel groups 40 among all the first electromagnetic touch control channels 21 electrically connected to all the first terminals 211 by the switch selection circuit 31 can be formed into a closed electromagnetic coil. Similarly, the touch driving chip 30 can be connected to the switch selection circuit 31. The second electromagnetic touch control channels 22 are electrically connected to the second terminals 222 of the second electromagnetic touch control channels 22 by the switch selection circuit 31, and the switch selection circuit 31 can independently turn on and off the electrical connection between the second electromagnetic touch control channels 22 and the touch driving chip 30. Therefore, among all the second electromagnetic touch control channels 22 to which all the first terminals 221 are electrically connected by the switch selection circuit 31, any two of the second electromagnetic touch control channel groups 50 can be formed into a closed electromagnetic coil, thereby realizing the electromagnetic touch function and freely adjusting the spacing between the electromagnetic touch control channels in the electromagnetic coil.

[0054] In addition, since the first terminals 211 of all the first electromagnetic touch control channels 21 are electrically connected and the first terminals 221 of all the second electromagnetic touch control channels 22 are electrically connected, the wiring structure of the first terminals 211 of the first electromagnetic touch control channels 21 and the first terminals 221 of the second electromagnetic touch control channels 22 can be simplified, the number of channels can be reduced, a narrower bezel can be achieved, the manufacturing process of the display panel 01 can be simplified, and the manufacturing cost of the display panel 01 can be reduced.

[0055] In summary, the present application provides a display panel and a display device, the display panel including a touch control layer, the touch control layer including a capacitive touch controller and an electromagnetic touch controller, the capacitive touch controller including a plurality of first capacitive touch control channels spaced apart along a first direction and a plurality of second capacitive touch control channels spaced apart along a second direction, the first capacitive touch control channels extending along the second direction and the second capacitive touch control channels extending along the first direction, and the electromagnetic touch controller including a plurality of first capacitive touch control channels spaced apart along the first direction. The display panel and display device provided herein include a plurality of first electromagnetic touch control channels spaced apart and a plurality of second electromagnetic touch control channels spaced apart along a second direction, the first electromagnetic touch control channels extending along the second direction and the second electromagnetic touch control channels extending along the first direction, wherein the first direction intersects with the second direction, the first capacitive touch control channel 11 is disposed between adjacent first electromagnetic touch control channels with an insulated connection, and the second capacitive touch control channel is disposed between adjacent second electromagnetic touch control channels with an insulated connection. The display panel and display device provided herein allow the capacitive touch controller and the electromagnetic touch controller to share a common space in a direction perpendicular to the plane on which the display panel is located, thereby realizing a structural design in which the capacitive touch controller and the electromagnetic touch controller are both disposed on the touch control layer, thereby achieving the objective of reducing the thickness of the display panel and simplifying the manufacturing process. The display panel has both electromagnetic touch functions and capacitive touch functions, and the electromagnetic touch control signals and the capacitive touch control signals do not interfere with each other.

[0056] Although the display panel and display device provided by the embodiments of the present application have been described in detail above, and the principles and embodiments of the present application have been described in this specification using specific examples, the description of the above examples is only intended to facilitate understanding of the method and core idea of ​​the present application. Furthermore, it should be understood that those skilled in the art may make changes in the specific embodiments and application scope based on the idea of ​​the present application, and the matters described in this specification are not intended to limit the present application. [Explanation of symbols]

[0057] 01 Display panel 02 Display panel body 03 Touch control layer 04 First touch control layer 041 Part 1 042 Part 3 05 Second touch control layer 051 Part 2 052 Part 4 06 Touch control insulating layer X 1st direction Y Second direction 10 Capacitive Touch Control 11 1st capacitive touch control channel 110 first peripheral capacitive touch control channel 111 First terminal of the first capacitive touch control channel 112 Second terminal of the first capacitive touch control channel 113 first touch control electrode 1131 First main body 1132 First Branch 1133 First Branch Bar 12 Secondary Capacitive Touch Control Channels 120 second peripheral capacitive touch control channels 121 First terminal of the second capacitive touch control channel 122 Second terminal of the second capacitive touch control channel 123 second touch control electrode 1231 Second main body 1232 Second Branch 1233 Second Branch Bar 20 Electromagnetic touch control unit 21 1st electromagnetic touch control channel 211 First terminal of the first electromagnetic touch control channel 212 Second terminal of the first electromagnetic touch control channel 22 Second electromagnetic touch control channel 221 1st terminal of the 2nd electromagnetic touch control channel 222 Second terminal of the second electromagnetic touch control channel 30 Touch driving chip 31 Switch selection circuit 40 First electromagnetic touch control channel group 50 Second electromagnetic touch control channel group TRD touch control electrode unit B Dummy electrode

Claims

1. a touch control layer, the touch control layer comprising: a capacitive touch controller including a plurality of first capacitive touch control channels spaced apart along a first direction and a plurality of second capacitive touch control channels spaced apart along a second direction, the first capacitive touch control channels extending along the second direction and the second capacitive touch control channels extending along the first direction; an electromagnetic touch controller including a plurality of first electromagnetic touch control channels spaced apart along a first direction and a plurality of second electromagnetic touch control channels spaced apart along a second direction, the first electromagnetic touch control channels extending along the second direction and the second electromagnetic touch control channels extending along the first direction; wherein the first direction intersects with the second direction, the first capacitive touch control channel is disposed between two adjacent first electromagnetic touch control channels in an insulated manner, and the second capacitive touch control channel is disposed between two adjacent second electromagnetic touch control channels in an insulated manner, The first terminals of all the first electromagnetic touch control channels are electrically connected to the same wiring, and the first terminals of all the second electromagnetic touch control channels are electrically connected to the same wiring; The display panel further includes a touch driving chip and a switch selection circuit, and the touch driving chip is electrically connected to the second terminal of the first electromagnetic touch control channel and the second terminal of the second electromagnetic touch control channel by the switch selection circuit; Between any two adjacent first electromagnetic touch control channels, there is one first capacitive touch control channel, and between any two adjacent second electromagnetic touch control channels, there is one second capacitive touch control channel. Display panel.

2. the first capacitive touch control channel includes a plurality of first touch control electrodes sequentially arranged along a second direction, the second capacitive touch control channel includes a plurality of second touch control electrodes sequentially arranged along a first direction, and the first touch control electrode and the second touch control electrode adjacent to each other constitute one touch control electrode unit; wherein the touch control electrode unit is surrounded by the first electromagnetic touch control channel and the second electromagnetic touch control channel, which are arranged crosswise; The display panel according to claim 1 .

3. the first touch control electrode includes one first body and two first branches, the first body extending along a second direction, and the two first branches are located on both sides of the first body; the second touch control electrode includes one second body and two second branches, the second body extending along the first direction, and the two second branches are located on both sides of the second body; Here, the first branch portion includes a plurality of first branch bars arranged at intervals, and the second branch portion includes a plurality of second branch bars arranged at intervals. The display panel according to claim 2 .

4. a dummy electrode is disposed between the cross-arranged first and second electromagnetic touch control channels and the touch control electrode unit, and the dummy electrode is insulated from the first electromagnetic touch control channel, the second electromagnetic touch control channel and the touch control electrode unit, respectively; The display panel according to claim 2 .

5. The touch control layer includes a first touch control layer and a second touch control layer; the first capacitive touch control channel includes a first portion and a second portion, and in a direction perpendicular to a plane on which the display panel is located, the first portion overlaps the second capacitive touch control channel, and the second portion does not overlap the second capacitive touch control channel; the first capacitive touch control channel includes a third portion and a fourth portion, and in a direction perpendicular to a plane on which the display panel is located, the third portion overlaps the second capacitive touch control channel, and the fourth portion does not overlap the second capacitive touch control channel; wherein the first portion and the third portion are located on the first touch control layer, and the second portion and the fourth portion are located on the second touch control layer; The display panel according to claim 1 .

6. A display device comprising: a housing; and the display panel according to any one of claims 1 to 5, wherein the housing has a storage space, and the display panel is disposed within the storage space.

Citation Information

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