Display panel and display device

Abstract

The application provides a display panel and a display device. The display panel comprises two display modules, and each display module comprises a common electrode layer. The two display modules display alternately, and when one display module is in a display mode, the other display module is in a heating mode. The common electrode layer of the display module in the heating mode is multiplexed as a heating electrode. In the embodiment of the application, the common electrode layer in the display module is multiplexed as the heating electrode in time, without the need to increase an additional heating electrode, and the process is simpler. In addition, the liquid crystal can be heated in a low-temperature environment, and the display speed and display quality of the display panel are improved. Furthermore, the two display modules display alternately, and when one display module is in the display mode, the other display module is in the heating mode, so that heating and display can be realized simultaneously in the display panel, which is beneficial to improving the display speed of the display module.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a display panel and display device. Background Technology

[0002] Most liquid crystal displays (LCDs) are backlit LCDs, which consist of a housing, a liquid crystal display panel housed within the housing, and a backlight module within the housing. LCDs require a light source provided by the backlight module to display images properly.

[0003] Typically, a liquid crystal display panel is made by bonding two glass substrates (array glass and color filter glass) together, with liquid crystal injected between the two glass substrates. Pixel electrodes and common electrodes are set on the opposite inner sides of the two glass substrates. The rotation direction of the liquid crystal molecules is controlled by the voltage field, and the light from the backlight module is refracted to produce an image.

[0004] Due to the inherent properties of liquid crystal molecules, LCDs have a high degree of adhesion; and because of their poor response speed, especially at low temperatures, their ghosting effect is more pronounced, seriously affecting the display quality. Summary of the Invention

[0005] The main technical problem addressed by this application is to provide a display panel and display device that solves the problem of poor liquid crystal response speed in the prior art.

[0006] To solve the above-mentioned technical problems, the first technical solution provided by this application is: to provide a display panel, which includes two display modules, and the display modules include a common electrode layer;

[0007] The two display modules alternately display information, and when one display module is in display mode, the other display module is in heating mode; the common electrode layer of the display module in heating mode is reused as a heating electrode.

[0008] The display panel also includes a common signal line and a heating signal line;

[0009] The common electrode layer is loaded with a common voltage signal through a common signal line;

[0010] The common electrode layer of the display module is heated in heating mode via a heating signal line;

[0011] The display panel also includes a heating switch and a common switch.

[0012] The heating switch is connected between the common electrode layer and the corresponding heating signal line, or the heating switch is connected between the external control module and the corresponding heating signal line;

[0013] The common switch is connected between the common electrode layer and the corresponding common signal line, or the common switch is connected between the external control module and the corresponding common signal line.

[0014] In the heating mode, one end of the corresponding common electrode layer is coupled to a heating signal line, and the other end is coupled to another heating signal line to form a closed loop, and the corresponding common electrode layer is reused as a heating electrode.

[0015] The system comprises two display modules, namely the first display module and the second display module; and three heating signal lines, namely the first heating signal line, the second heating signal line, and the third heating signal line. One end of the first heating signal line is coupled to the external control module, and the other end extends to the side of the first display module away from the second display module. One end of the second heating signal line is coupled to the external control module, and the other end extends to the side of the second display module away from the first display module. The third heating signal line is located between the two display modules, and the two display modules share the third heating signal line.

[0016] There are two common signal lines. One end of the common signal line is coupled to the external control module, and the other end extends to the side of the display module away from the third heating signal line. The two common signal lines are located on opposite sides of the two display modules.

[0017] In the display module, the common electrode layer also loads a heating signal in heating mode through a common signal line, so that the common voltage signal provided by the common signal line is time-division multiplexed as a heating signal.

[0018] In the heating mode, one end of the corresponding common electrode layer is coupled to a heating signal line and the other end is coupled to a common signal line to form a closed loop, and the corresponding common electrode layer is multiplexed as a heating electrode, and the common voltage signal is multiplexed as a heating signal.

[0019] There is one common signal line, which is located between the two display modules and the two display modules share the same common signal line; there are two heating signal lines, one end of which is coupled to the external control module and the other end extends to the side of the display module away from the common signal line, and the two heating signal lines are located on opposite sides of the two display modules respectively.

[0020] There is one heating signal, which is located between the two display modules and the two display modules share the same heating signal line; there are two common signal lines, one end of which is coupled to the external control module and the other end extends to the side of the display module away from the heating signal line, and the two common signal lines are located on opposite sides of the two display modules respectively.

[0021] The display panel has a display area and a non-display area; the display module also includes multiple data lines and multiple scan lines. The data lines are located in the display area. Each data line includes a first part and a second part. The first part is used to provide a data voltage signal to one display module, and the second part is used to provide a data voltage signal to another display module. The multiple scan lines are located in the display area and are arranged sequentially along the arrangement direction of the two display modules. In each frame, the two display modules display alternately.

[0022] To solve the above-mentioned technical problems, the second technical solution provided by this application is: to provide a display device, which further includes a control module and the above-mentioned display panel.

[0023] The beneficial effects of this application are as follows: Unlike existing technologies, this application provides a display panel and a display device. The display panel includes two display modules, each including a common electrode layer. The two display modules alternately display, and when one display module is in display mode, the other is in heating mode. The common electrode layer of the display module in heating mode is reused as a heating electrode. This application's embodiment, by time-division multiplexing the common electrode layer in the display modules as a heating electrode, eliminates the need for additional heating electrodes, simplifying the process. Secondly, it allows for heating of the liquid crystal at low temperatures, improving the display speed and display quality of the display panel. Furthermore, the alternating display of the two display modules, with one display module in display mode and the other in heating mode, enables simultaneous heating and display within the display panel, which is beneficial for improving the display speed of the display modules. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of the first embodiment of the display panel and external control module provided in this application;

[0026] Figure 2 This is a schematic diagram of the structure of the display panel and external control module provided in the second embodiment of this application.

[0027] Figure 3 This is a schematic diagram of the structure of the display panel and external control module in the third embodiment of the present application.

[0028] Figure 4 This is a schematic diagram of the structure of an embodiment of the display device provided in this application.

[0029] Explanation of icon numbers:

[0030] 100. Display panel; 101. Display area; 101A. First display area; 101B. Second display area; 102. Non-display area; 10. Display module; 10A. First display module; 10B. Second display module; 11. Common electrode layer; 111. First common electrode layer; 112. Second common electrode layer; 20. Common signal line; 21. First common signal line; 22. Second common signal line; 30. Heating signal line; 31. First heating signal line; 32. Second heating signal line; 33. Third heating signal line; 40. Data line; 41. First part; 42. Second part; 50. Electrical connection point; S1. Heating switch; S2. Common switch; 60. Data switch; 200. Control module; 300. Display device. Detailed Implementation

[0031] The embodiments of this application will now be described in detail with reference to the accompanying drawings.

[0032] In the following description, specific details such as particular system architectures, interfaces, and technologies are presented for illustrative purposes rather than for limiting purposes, in order to provide a thorough understanding of this application.

[0033] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0034] The terms "first," "second," and "third" in this application are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationships and movements between components in a specific orientation (as shown in the figures). If the specific orientation changes, the directional indications also change accordingly. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or devices.

[0035] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0036] Please see Figure 1 , Figure 1 This is a schematic diagram of the structure of the first embodiment of the display panel and external control module provided in this application.

[0037] This application provides a display panel 100. The display panel 100 includes two display modules 10, each display module 10 including a common electrode layer 11. The two display modules 10 alternately display information, and when one display module 10 is in display mode, the other display module 10 is in heating mode. The common electrode layer 11 of the display module 10 in heating mode is reused as a heating electrode.

[0038] This embodiment of the application time-division multiplexes the common electrode layer 11 in the display module 10 as a heating electrode, eliminating the need for additional heating electrodes and simplifying the process. Secondly, it allows for heating of the liquid crystal at low temperatures, improving the display speed and quality of the display panel 100. Furthermore, the two display modules 10 alternate display, with one display module 10 in display mode while the other is in heating mode, enabling simultaneous heating and display within the display panel 100, which further enhances the display speed of the display modules 10.

[0039] The display panel 100 can be a foldable screen or a dual-screen display.

[0040] For example, this application embodiment uses a dual-screen display panel 100 as an example for illustration.

[0041] Within each frame, the two display modules 10 alternately display the image. While one display module 10 is displaying, the other display module 10 is heated, thereby enabling the display panel 100 to heat up and display simultaneously, thus improving the display speed of the display module 10.

[0042] The display panel 100 has a display area 101 and a non-display area 102. The non-display area 102 is located on at least one side of the display area 101.

[0043] For example, the display area 101 is rectangular, and the non-display area 102 is arranged around the display area 101 and located on the four sides of the display area 101.

[0044] In other embodiments, the display area 101 can be a circle, an ellipse, or other shapes. There are no major restrictions here, and the selection can be made according to actual needs.

[0045] The display module 10 is located in the display area 101. The display panel 100 displays the image through the display module 10.

[0046] The two display modules 10 may have different shapes and / or different sizes; or the two display modules 10 may have the same shape and size. There are no strict restrictions here, and the choice can be made according to the actual situation.

[0047] For example, the two display modules 10 are identical in shape and size. The display module 10 is rectangular, and the two display modules 10 are arranged side by side.

[0048] Display area 101 includes a first display area 101A and a second display area 101B, which are used to set two display modules 10, respectively. The two display modules 10 are the first display module 10A and the second display module 10B.

[0049] This can be understood as follows: all structures in the first display area 101A are defined as the first display module 10A, and all structures in the second display area 101B are defined as the second display module 10B.

[0050] The display module 10 includes a common electrode layer 11. The common electrode layer 11 is a transparent electrode layer.

[0051] For example, the common electrode layer 11 includes at least one of indium tin oxide (ITO), zinc oxide (ZnO), and gallium-doped zinc oxide (GZO).

[0052] The common electrode layer 11 can also be a transparent conductive layer made of other materials.

[0053] The display panel 100 also includes a color filter substrate (not shown) and an array substrate (not shown) disposed opposite to each other, and a liquid crystal (not shown) located between the color filter substrate and the array substrate.

[0054] The common electrode layer 11 in the display module 10 can be the common electrode layer 11 in the color filter substrate, and / or it can be the common electrode layer 11 in the array substrate, depending on the actual needs.

[0055] In some embodiments, the common electrode layer 11 in the two display modules 10 is the common electrode layer 11 in the same substrate (array substrate or color filter substrate). That is, when any display module 10 is in heating mode, the common electrode layer on the color filter substrate side of the display module 10 is reused as a heating electrode; or, when any display module 10 is in heating mode, the common electrode layer on the array substrate side of the display module 10 is reused as a heating electrode.

[0056] In other embodiments, the common electrode layer 11 in the two display modules 10 is a common electrode layer 11 in different substrates. For example, the common electrode layer 11 in one display module 10 is a common electrode layer 11 in the color filter substrate, and the common electrode layer 11 in the other display module 10 is a common electrode layer 11 in the array substrate. That is, when one display module 10 is in heating mode, the common electrode layer on the color filter substrate side of that display module 10 is reused as a heating electrode, and when the other display module 10 is in heating mode, the common electrode layer on the array substrate side of that display module 10 is reused as a heating electrode.

[0057] In other embodiments, the common electrode layer 11 in the color filter substrate is defined as the color filter substrate-side common electrode layer, and the common electrode layer 11 in the array substrate is defined as the array substrate-side common electrode layer. Each display panel 100 includes two common electrode layers 11, namely the color filter substrate-side common electrode layer and the array substrate-side common electrode layer. That is, when the display module 10 is in heating mode, the corresponding color filter substrate-side common electrode layer and the corresponding array substrate-side common electrode layer are both reused as heating electrodes.

[0058] For example, in this embodiment of the application, the common electrode layer 11 in the two display modules 10 is the common electrode layer 11 in the same substrate (array substrate or color filter substrate) for illustration.

[0059] In some embodiments, the common electrode layer 11 can be a full-surface structure or a planar hollow structure.

[0060] In other embodiments, there are multiple common electrode layers 11 located on the same layer. The multiple common electrode layers 11 are insulated from each other so that each common electrode layer 11 can be controlled independently. Alternatively, the common electrode layer 11 may consist of multiple electrically connected sub-common electrode layers (not shown). The sub-common electrode layers may be in the shape of an arc, a strip, etc., without much limitation, and can be selected according to actual needs.

[0061] The multiple common electrode layers 11 have different shapes and / or different sizes; or the multiple common electrode layers 11 have the same shape and size.

[0062] For example, this application embodiment uses the common electrode layer 11 as an example of a whole-surface structure for illustration.

[0063] In some embodiments, the display panel 100 further includes a common signal line 20 and a heating signal line 30.

[0064] The common electrode layer 11 is loaded with a common voltage signal through the common signal line 20.

[0065] The common electrode layer 11 of the display module 10 is loaded with a heating signal in heating mode via the heating signal line 30.

[0066] The display panel 100 also includes a heating switch S1 and a common switch S2. The heating switch S1 is connected between the common electrode layer 11 and the corresponding heating signal line 30, or the heating switch S1 is connected between the external control module and the corresponding heating signal line 30.

[0067] The common switch S2 is connected between the common electrode layer 11 and the corresponding common signal line 20, or the common switch S2 is connected between the external control module and the corresponding common signal line 20.

[0068] Both heating switch S1 and common switch S2 are switches, just with different names. There are no restrictions on the conductivity type or switch type of heating switch S1 and common switch S2; they can be selected according to actual needs.

[0069] Heating switch S1, common switch S2, heating signal line 30 and common signal line 20 are located in non-display area 102.

[0070] In some embodiments, in the heating mode, one end of the corresponding common electrode layer 11 is coupled to a heating signal line 30, and the other end is coupled to another heating signal line 30 to form a closed loop, and the corresponding common electrode layer 11 is reused as a heating electrode.

[0071] Specifically, each common electrode layer 11 is electrically connected to two heating signal lines 30, and a heating signal is provided through the heating signal lines 30.

[0072] In one specific embodiment, there are three heating signal lines 30: a first heating signal line 31, a second heating signal line 32, and a third heating signal line 33. One end of the first heating signal line 31 is coupled to an external control module, and the other end extends to the side of the first display module 10A away from the second display module 10B. One end of the second heating signal line 32 is coupled to an external control module, and the other end extends to the side of the second display module 10B away from the first display module 10A. The third heating signal line 33 is located between the two display modules 10, and the two display modules 10 share the third heating signal line 33.

[0073] There are two common signal lines 20. One end of each common signal line 20 is coupled to an external control module, and the other end extends to the side of the display module 10 away from the third heating signal line 33. The two common signal lines 20 are located on opposite sides of the two display modules 10. Specifically, the two common signal lines 20 are a first common signal line 21 and a second common signal line 22. The other end of the first common signal line 21 extends to the side of the first display module 10A away from the second display module 10B, and the other end of the second common signal line 22 extends to the end of the second display module 10B away from the first display module 10A.

[0074] On the side of the first display module 10A away from the second display module 10B, the first heating signal line 31 and the first common signal line 21 are partially overlapped; and on the side of the second display module 10B away from the first display module 10A, the second heating signal line 32 and the second common signal line 22 are partially overlapped, so as to reduce the space occupied by the signal lines and facilitate the narrow bezel design.

[0075] For example, a heating switch S1 is provided between the first heating signal line 31 and the external control module, and a heating switch S1 is provided between the second heating signal line 32 and the external control module, so that the heating signal line 30 and the corresponding common signal line 20 can be partially overlapped, which is beneficial for narrow bezel design.

[0076] At least one electrical connection point 50 is provided between the third heating signal line 33 and the corresponding common electrode layer 11 to make the current distribution on the corresponding common electrode layer 11 more uniform, thereby achieving uniform heating of the liquid crystal. Similarly, the portion of the first heating signal line 31 located on the side of the first display module 10A away from the second display module 10B may have at least one electrical connection point 50 with the corresponding common electrode layer 11, and the portion of the second heating signal line 32 located on the side of the second display module 10B away from the first display module 10A may have at least one electrical connection point 50 with the corresponding common electrode layer 11.

[0077] That is, in this embodiment of the application, at least one electrical connection point 50 is provided between the heating signal line 30 and the corresponding common electrode layer 11, and at least one electrical connection point 50 is provided between the common signal line 20 and the corresponding common electrode layer 11.

[0078] This application embodiment is illustrated by taking the example that two electrical connection points 50 are provided between the heating signal line 30 and the corresponding common electrode layer 11, and between the common signal line 20 and the corresponding common electrode layer 11.

[0079] At least one heating switch S1 is provided between the third heating signal line 33 and the corresponding common electrode layer 11.

[0080] For example, two electrical connection points 50 are provided between the third heating signal line 33 and the first common electrode layer 111, and two electrical connection points 50 are provided between the third heating signal line 33 and the second common electrode layer 112. A heating switch S1 is provided between the third heating signal line 33 and the corresponding electrical connection point 50. The electrical connection point 50 between the common signal line 20 and the corresponding common electrode layer 11 is also partially overlapped with the electrical connection point 50 of the corresponding common electrode layer 11, to simplify the process.

[0081] In this application, the common electrode layer 11 in the first display module 10A is defined as the first common electrode layer 111, and the common electrode layer 11 in the second display module 10B is defined as the second common electrode layer 112.

[0082] When the first display module 10A is in display mode and the second display module 10B is in heating mode, the common switch S2 between the first common signal line 21 and the external control module is turned on, and the external control module transmits a common voltage signal to the first common electrode layer 111 via the first common signal line 21. The heating switch S1 between the first heating signal line 31 and the external control module is turned off, and the heating switch S1 between the third heating signal line 33 and the first common electrode layer 111 is turned off to stop the transmission of heating signals to the first common electrode layer 111. The common switch S2 between the second common signal line 22 and the external control module is turned off to stop the transmission of common voltage signals to the second common electrode layer 112. The heating switch S1 between the second heating signal line 32 and the external control module is turned on, and the heating switch S1 between the third heating signal line 33 and the second common electrode layer 112 is turned on to transmit heating signals to the second common electrode layer 112.

[0083] Conversely, when the first display module 10A is in heating mode and the second display module 10B is in display mode, the common switch S2 between the first common signal line 21 and the external control module is closed to stop transmitting the common voltage signal to the first common electrode layer 111. The heating switch S1 between the first heating signal line 31 and the external control module is opened, and the heating switch S1 between the third heating signal line 33 and the first common electrode layer 111 is opened to transmit the heating signal to the first common electrode layer 111. The common switch S2 between the second common signal line 22 and the external control module is opened to transmit the common voltage signal to the second common electrode layer 112. The heating switch S1 between the second heating signal line 32 and the external control module is closed, and the heating switch S1 between the third heating signal line 33 and the second common electrode layer 112 is closed to stop transmitting the heating signal to the second common electrode layer 112.

[0084] Please see Figure 1 and Figure 2 , Figure 2 This is a schematic diagram of the structure of the second embodiment of the display panel and external control module provided in this application.

[0085] In other embodiments, the common electrode layer 11 of the display module 10 also loads a heating signal in heating mode through the common signal line 20, so that the common voltage signal provided by the common signal line 20 is time-division multiplexed as a heating signal.

[0086] Specifically, in the heating mode, one end of the corresponding common electrode layer 11 is coupled to a heating signal line 30, and the other end is coupled to a common signal line 20 to form a closed loop, thereby multiplexing the corresponding common electrode layer 11 as a heating electrode and multiplexing the common voltage signal as a heating signal.

[0087] In one specific embodiment, there is one common signal line 20, which is located between the two display modules 10 and is shared by both display modules 10. There are two heating signal lines 30, one end of which is coupled to an external control module, and the other end extends to the side of the display module 10 away from the common signal line 20. The two heating signal lines 30 are located on opposite sides of the two display modules 10.

[0088] For example, the heating switch S1 is connected between the external control module and the corresponding heating signal line 30, and the common switch S2 is connected between the common electrode layer 11 and the corresponding common signal line 20.

[0089] Two electrical connection points 50 are provided between the common signal line 20 and the first common electrode layer 111, and two electrical connection points 50 are provided between the common signal line 20 and the second common electrode layer 112. A common switch S2 is provided between the common signal line 20 and the corresponding electrical connection point 50.

[0090] The two heating signal lines 30 are the first heating signal line 31 and the second heating signal line 32, respectively.

[0091] When the first display module 10A is in display mode and the second display module 10B is in heating mode, the common switch S2 between the common signal line 20 and the first common electrode layer 111 is turned on, and the external control module transmits a common voltage signal to the first common electrode layer 111 via the common signal line 20. The heating switch S1 between the first heating signal line 31 and the external control module is turned off to stop transmitting the heating signal to the first common electrode layer 111. The common switch S2 between the common signal line 20 and the second common electrode layer 112 is turned on, and the common voltage signal is multiplexed as a heating signal and transmitted to the second common electrode layer 112. The heating switch S1 between the second heating signal line 32 and the external control module is turned on to transmit the heating signal to the second common electrode layer 112.

[0092] Conversely, when the first display module 10A is in heating mode and the second display module 10B is in display mode, the common switch S2 between the common signal line 20 and the first common electrode layer 111 is turned on, and the common voltage signal is multiplexed as a heating signal and transmitted to the first common electrode layer 111. The heating switch S1 between the first heating signal line 31 and the external control module is turned on to transmit the heating signal to the first common electrode layer 111. The common switch S2 between the common signal line 20 and the second common electrode layer 112 is turned on, and the external control module transmits the common voltage signal to the second common electrode layer 112 via the common signal line 20. The heating switch S1 between the second heating signal line 32 and the external control module is turned off to stop transmitting the heating signal to the second common electrode layer 112.

[0093] Please see Figures 1 to 3 , Figure 3 This is a schematic diagram of the structure of the third embodiment of the display panel and external control module provided in this application.

[0094] In another specific embodiment, there is one heating signal line 30, which is located between the two display modules 10 and is shared by both display modules 10. There are two common signal lines 20, one end of which is connected to an external control module, and the other end extends to the side of the display module 10 away from the heating signal line 30. The two common signal lines 20 are located on opposite sides of the two display modules 10.

[0095] The common switch S2 is connected between the external control module and the corresponding common signal line 20, and the heating switch S1 is connected between the common electrode layer 11 and the corresponding heating signal line 30.

[0096] For example, two electrical connection points 50 are provided between the heating signal line 30 and the first common electrode layer 111, two electrical connection points 50 are provided between the heating signal line 30 and the second common electrode layer 112, and a heating switch S1 is provided between the heating signal line 30 and the corresponding electrical connection point 50.

[0097] The two common signal lines 20 are the first common signal line 21 and the second common signal line 22, respectively.

[0098] When the first display module 10A is in display mode and the second display module 10B is in heating mode, the common switch S2 between the first common signal line 21 and the external control module is turned on, and the external control module transmits a common voltage signal to the first common electrode layer 111 via the first common signal line 21. The heating switch S1 between the heating signal line 30 and the first common electrode layer 111 is turned off to stop the transmission of the heating signal to the first common electrode layer 111. The common switch S2 between the second common signal line 22 and the external control module is turned on, and the common voltage signal is multiplexed as a heating signal and transmitted to the second common electrode layer 112. The heating switch S1 between the heating signal line 30 and the second common electrode layer 112 is turned on to transmit the heating signal to the second common electrode layer 112.

[0099] Conversely, when the first display module 10A is in heating mode and the second display module 10B is in display mode, the common switch S2 between the first common signal line 21 and the external control module is turned on, and the common voltage signal is multiplexed as a heating signal and transmitted to the first common electrode layer 111. The heating switch S1 between the heating signal line 30 and the first common electrode layer 111 is turned on to transmit the heating signal to the first common electrode layer 111. The common switch S2 between the second common signal line 22 and the external control module is turned on to transmit the common voltage signal to the second common electrode layer 112. The heating switch S1 between the heating signal line 30 and the second common electrode layer 112 is turned off to stop transmitting the heating signal to the second common electrode layer 112.

[0100] In some embodiments, the display module 10 further includes multiple data lines 40 and multiple scan lines (not shown). The data lines 40 are located in the display area 101. Each data line 40 includes a first portion 41 and a second portion 42. The first portion 41 is used to provide a data voltage signal to one display module 10, and the second portion 42 is used to provide a data voltage signal to another display module 10. The multiple scan lines are located in the display area 101 and are arranged sequentially along the arrangement direction of the two display modules 10. Within each frame, the two display modules 10 are displayed alternately.

[0101] The display panel 100 also includes a data switch S3, which is connected between the data cable 40 and the external control module. Specifically, a data switch S3 is provided between the first part 41 and the external control module, and a data switch S3 is provided between the second part 42 and the external control module. The first part 41 and the second part 42 are controlled independently to achieve alternating display of the two display modules 10.

[0102] There are no restrictions on the scanning method for the scan lines here; you can choose according to your actual needs.

[0103] For example, scan lines are driven line by line to achieve alternating display of the two display modules 10 in each frame. For instance, there are N scan lines, scanned line by line from the first line to the Nth line. The first N / 2 scan lines drive the first display module 10A to display, and the next N / 2 scan lines drive the second display module 10B to display. During the line-by-line scanning of the first N / 2 scan lines, the second display module 10B is in heating mode. When scanning to the N / 2+1 scan line, the first display module 10A is in heating mode, and the next N / 2 scan lines are scanned line by line to put the second display module 10B into display mode, thus achieving alternating display of the two display modules 10 in each frame.

[0104] In this embodiment, the heating signal line 30, the common signal line 20, and the data line 40 are all controlled independently, which can avoid mutual interference between the heating signal, the common voltage signal, and the data voltage signal, thereby realizing simultaneous driving of heating and display of the display panel 100.

[0105] Please see Figures 1 to 4 , Figure 4 This is a schematic diagram of the structure of an embodiment of the display device provided in this application.

[0106] This application provides a display device 300, which also includes a control module 200 and the aforementioned display panel 100.

[0107] The control module 200 is the aforementioned external control module. The control module 200 is coupled to the data line 40, the heating signal line 30, and the common signal line 20, respectively, and is used to provide the display panel 100 with data voltage signals, heating signals, and common voltage signals.

[0108] Data cable 40, heating signal cable 30 and common signal cable 20 can be connected to the same control module 200 or to different control modules 200.

[0109] For example, data line 40, heating signal line 30 and common signal line 20 are all connected to the same control module 200.

[0110] The display device 300 may also include one or more of the following components (not shown in the figures): memory, power supply component, processing component, multimedia component, audio component, input / output (I / O) interface, sensor component, and communication component. The specific structure and function of these components are the same as or similar to those in related technologies; please refer to the related technologies for details, which will not be repeated here. The display device 300 may be a computer, digital broadcasting terminal, messaging device, game console, medical device, fitness equipment, personal digital assistant, etc., and this application does not limit this; the choice is based on actual needs.

[0111] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0112] The above are merely embodiments of this application and do not limit the scope of patent protection of this application. Any equivalent structural or procedural changes made using the content of this application’s specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the scope of patent protection of this application.

Claims

1. A display panel, characterized by, The display panel comprises two display modules, each of which comprises a common electrode layer, a plurality of data lines and a data switch; each of the data lines comprises a first part and a second part, the first part is used to provide a data voltage signal for one of the display modules, and the second part is used to provide a data voltage signal for another of the display modules; the data switch is connected between the data line and an external control module; In each frame, the two display modules display alternately, and when one of the display modules is in a display mode, the other of the display modules is in a heating mode; the common electrode layer of the display module in the heating mode is multiplexed as a heating electrode; The display panel further comprises a common signal line and a heating signal line; The common electrode layer is loaded with a common voltage signal through the common signal line; The common electrode layer of the display module is loaded with a heating signal in the heating mode through the heating signal line; The display panel further comprises a heating switch and a common switch, The heating switch is connected between the common electrode layer and the corresponding heating signal line, or the heating switch is connected between the external control module and the corresponding heating signal line; The common switch is connected between the common electrode layer and the corresponding common signal line, or the common switch is connected between the external control module and the corresponding common signal line.

2. The display panel of claim 1, wherein, In the heating mode, one end of the corresponding common electrode layer is coupled with one of the heating signal lines, and the other end is coupled with another of the heating signal lines to form a closed loop, and the corresponding common electrode layer is multiplexed as a heating electrode.

3. The display panel of claim 2, wherein, The two display modules are a first display module and a second display module; the heating signal lines are three, which are a first heating signal line, a second heating signal line and a third heating signal line; one end of the first heating signal line is coupled with an external control module, and the other end extends to a side of the first display module away from the second display module; one end of the second heating signal line is coupled with the external control module, and the other end extends to a side of the second display module away from the first display module; the third heating signal line is located between the two display modules, and the two display modules share the third heating signal line; The common signal lines are two, one end of the common signal line is coupled with the external control module, and the other end extends to a side of the display module away from the third heating signal line, and the two common signal lines are located on opposite sides of the two display modules.

4. The display panel of claim 1, wherein, The common electrode layer of the display module is also loaded with a heating signal in the heating mode through the common signal line, so that the common voltage signal provided by the common signal line is time-multiplexed as a heating signal.

5. The display panel of claim 1, wherein, In the heating mode, one end of the corresponding common electrode layer is coupled with one of the heating signal lines, and the other end is coupled with one of the common signal lines to form a closed loop, and the corresponding common electrode layer is multiplexed as a heating electrode, and the common voltage signal is multiplexed as a heating signal.

6. The display panel of claim 5, wherein, The common signal line is one, the common signal line is located between two display modules, and two display modules share the same common signal line; the heating signal line is two, one end of the heating signal line is coupled with the external control module, the other end extends to the side of the display module away from the common signal line, and two heating signal lines are located on the opposite sides of two display modules.

7. The display panel of claim 5, wherein, The heating signal is one, the heating signal is located between two display modules, and two display modules share the same heating signal line; the common signal line is two, one end of the common signal line is coupled with the external control module, the other end extends to the side of the display module away from the heating signal line, and two common signal lines are located on the opposite sides of two display modules.

8. The display panel of claim 1, wherein, The display panel has a display area and a non-display area; the display module further comprises a plurality of scanning lines, the data line is located in the display area, a plurality of scanning lines are located in the display area, and are arranged in turn along the arrangement direction of two display modules.

9. A display device, characterized by comprising: Further comprising a control module and the display panel of any one of claims 1 to 8.

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