Color filter substrate, display panel and display device

Abstract

The application provides a color film substrate, a display panel and a display device. By arranging a functional unit in the color film substrate, the embodiment of the application can not only realize temperature monitoring of the display panel, heating of liquid crystal in a low-temperature environment, improvement of display speed and display quality of the display panel, increase of stability and reliability of the display panel, but also realize integration of touch control and display, and meet the intelligent demand of users.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display, in particular to a color film substrate, a display panel and a display device. BACKGROUND

[0002] Most of the liquid crystal display (LCD) is a backlight type liquid crystal display, which includes a housing, a liquid crystal display panel arranged in the housing, and a backlight module arranged in the housing. The liquid crystal display needs to be normally displayed by the light source provided by the backlight module.

[0003] Generally, the liquid crystal display panel is formed by bonding two glass substrates (Array Glass and Color Filter Glass), and liquid crystal is filled between the two glass substrates. Pixel electrodes and common electrodes are arranged on the opposite inner sides of the two glass substrates, respectively. The rotation direction of the liquid crystal molecules is controlled by the voltage field strength to refract the light of the backlight module to produce a picture.

[0004] The LCD has a large adhesion due to the material characteristics of the liquid crystal molecules. The response speed is poor, especially at low temperature, and the ghosting is more obvious, which seriously affects the display quality. SUMMARY

[0005] The technical problem solved by the present application is to provide a color film substrate, a display panel and a display device to solve the problem of poor liquid crystal response speed in the prior art.

[0006] To solve the above technical problem, the first technical solution provided by the present application is to provide a color film substrate, comprising:

[0007] a substrate;

[0008] a common electrode layer located on one side of the substrate;

[0009] The color film substrate further comprises a plurality of functional units between the substrate and the common electrode layer. Each functional unit comprises:

[0010] a first conductive block;

[0011] a second conductive block arranged at least partially overlapping the first conductive block, and the overlapping part is in contact;

[0012] a first conductive lead, a first end of the first conductive lead being in contact with the first conductive block;

[0013] a second conductive lead, a first end of the second conductive lead being in contact with the second conductive block; a second end of the first conductive lead and a second end of the second conductive lead are connected to different signals;

[0014] The functional unit has a temperature sensing function and at least one of a touch function and a heating function, and the functions of the functional unit are time-multiplexed.

[0015] The color film substrate includes a temperature sensing stage and at least one of a touch stage and a heating stage.

[0016] In the temperature sensing stage, the functional unit functions as a thermocouple, the overlapping part of the first conductive block and the second conductive block functions as a thermocouple node, the second end of one of the first conductive lead and the second conductive lead is connected to a high-level signal, and the second end of the other is connected to a low-level signal.

[0017] In the touch stage, the first conductive block and the second conductive block in the functional unit jointly function as a touch electrode, the second end of one of the first conductive lead and the second conductive lead is used to output a driving signal, and the second end of the other is used to detect a change in a coupling capacitance on the touch electrode.

[0018] In the heating stage, the functional unit functions as a heating electrode, the second end of one of the first conductive lead and the second conductive lead is connected to a high-level signal, and the second end of the other is connected to a low-level signal.

[0019] The color film substrate further includes a first binding part and a second binding part, in the plurality of functional units, the second ends of the first conductive leads are all connected to the first binding part, and the second ends of the second conductive leads are all connected to the second binding part; the first binding part and the second binding part are connected to different signals.

[0020] The color film substrate has a display area and a frame area; the first binding part and the second binding part are located in the frame area and are respectively located on at least one side of the display area.

[0021] The functional unit has light transmittance, and the functional unit is located in the display area.

[0022] Or,

[0023] The functional unit is located in the frame area, and the plurality of functional units are arranged around the display area.

[0024] In the functional unit, the first conductive block and the second conductive block are combined to define a conductive block, and in a direction parallel to the substrate, the first conductive lead and the second conductive lead are respectively located on opposite sides of the conductive block.

[0025] The first conductive block and the second conductive block are made of different conductive materials.

[0026] The first conductive block and the first conductive lead are formed by patterning the same conductive layer, and the second conductive block and the second conductive lead are formed by patterning the same conductive layer.

[0027] The color film substrate further includes a filter layer between the functional unit and the common electrode layer.

[0028] To solve the above technical problems, a second technical solution provided by the application is to provide a display panel, which comprises:

[0029] The color film substrate is as described above.

[0030] The array substrate is arranged opposite to the color film substrate.

[0031] The liquid crystal is arranged between the color film substrate and the array substrate.

[0032] To solve the above technical problems, a third technical solution provided by the application is to provide a display device, which comprises:

[0033] The display panel is as described above.

[0034] The display panel further comprises a control module, or the display device further comprises a control module.

[0035] The control module is electrically connected to the first conductive lead in the color film substrate and the second conductive lead in the color film substrate.

[0036] The application has the following beneficial effects: Different from the prior art, the application provides a color film substrate, a display panel and a display device. The color film substrate comprises a substrate, a common electrode layer and a plurality of functional units. The common electrode layer is arranged on one side of the substrate. The functional units are arranged between the substrate and the common electrode layer. Each functional unit comprises a first conductive block, a second conductive block, a first conductive lead and a second conductive lead. The second conductive block is arranged to at least partially overlap the first conductive block, and the overlapping part is arranged in contact. The first end of the first conductive lead is arranged in contact with the first conductive block. The first end of the second conductive lead is arranged in contact with the second conductive block. The second end of the first conductive lead and the second end of the second conductive lead are connected to different signals. The functional unit has temperature sensing function and at least one of touch and heating functions. The functions of the functional unit are time-multiplexed. The application arranges the functional unit in the color film substrate, which can not only realize temperature monitoring of the display panel and heating of the liquid crystal in a low-temperature environment to improve the display speed and display quality of the display panel, increase the stability and reliability of the display panel, but also realize touch display integration to meet the intelligent needs of users. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those of ordinary skill in the art without any creative effort based on these drawings.

[0038] Figure 1 is a top view structural schematic diagram of a first embodiment of a color film substrate provided by the embodiments of the present application;

[0039] Figure 2 is a longitudinal sectional view structural schematic diagram of an embodiment of a color film substrate provided by the embodiments of the present application;

[0040] Figure 3 is a top view structural schematic diagram of a second embodiment of a color film substrate provided by the embodiments of the present application;

[0041] Figure 4 is a structural schematic diagram of an embodiment of a conductive block provided by the embodiments of the present application;

[0042] Figure 5 is a structural schematic diagram of another embodiment of a conductive block provided by the embodiments of the present application;

[0043] Figure 6 is a top view structural schematic diagram of a third embodiment of a color film substrate provided by the embodiments of the present application;

[0044] Figure 7 is a top view structural schematic diagram of a fourth embodiment of a color film substrate provided by the embodiments of the present application;

[0045] Figure 8 is a structural schematic diagram of an embodiment of a display panel provided by the embodiments of the present application;

[0046] Figure 9 is a structural schematic diagram of an embodiment of a display device provided by the embodiments of the present application;

[0047] Figure 10 is a structural schematic diagram of another embodiment of a display device provided by the embodiments of the present application.

[0048] Explanation of the reference signs:

[0049] 100, color film substrate; 101, display area; 102, frame area; 10, substrate; 20, common electrode layer; 30, functional unit; 31, first conductive block; 32, second conductive block; 33, first conductive lead; 34, second conductive lead; 35, conductive block; 36, thermocouple node; 40, first binding part; 50, second binding part; 60, filter layer; 61, color resistance; 62, black matrix; 70, insulating layer; 200, array substrate; 300, liquid crystal; 400, display panel; 500, control module; 600, main control board; 700, display device. DETAILED DESCRIPTION

[0050] The scheme of the embodiments of the present application will be described in detail below with reference to the accompanying drawings of the specification.

[0051] In the following description, specific details are set forth in order to provide a thorough understanding of the present application. The present application may, however, be practiced without some or all of these details. In other instances, well known methods have not been described in detail in order not to unnecessarily obscure the present application.

[0052] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work under the premise that the embodiments of the present application fall within the scope of protection of the present application.

[0053] The terms "first", "second", "third" in the present application are only for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", "third" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units is not limited to the listed steps or units, but can optionally include steps or units not listed, or can optionally include other steps or units inherent to the process, method, product or device.

[0054] Reference to an "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0055] Please refer to Figures 1 to 3 , Figure 1 is a top view structural schematic diagram of a first embodiment of a color film substrate provided by the application, Figure 2 is a longitudinal sectional view structural schematic diagram of an embodiment of a color film substrate provided by the application, Figure 3 is a top view structural schematic diagram of a second embodiment of a color film substrate provided by the application.

[0056] An embodiment of the application provides a color film substrate 100. The color film substrate 100 comprises a substrate 10, a common electrode layer 20 and a plurality of functional units 30. The common electrode layer 20 is located on one side of the substrate 10. The functional units 30 are located between the substrate 10 and the common electrode layer 20. Each functional unit 30 comprises a first conductive block 31, a second conductive block 32, a first conductive lead 33 and a second conductive lead 34. The second conductive block 32 is arranged at least partially overlapping the first conductive block 31, and the overlapping part is arranged in contact. A first end of the first conductive lead 33 is arranged in contact with the first conductive block 31. A first end of the second conductive lead 34 is arranged in contact with the second conductive block 32. A second end of the first conductive lead 33 and a second end of the second conductive lead 34 are connected to different signals. Wherein, the functional unit 30 has a temperature sensing function, and also has at least one of a touch and a heating function. The functions of the functional unit 30 are time-multiplexed. An embodiment of the application sets the functional unit 30 in the color film substrate 100, which not only can realize temperature monitoring of a display panel 400 (see Figure 6 ), and heating of liquid crystal 300 in a low-temperature environment, to improve the display speed and display quality of the display panel 400, and increase the stability and reliability of the display panel 400, but also can realize touch display integration, to meet the intelligent needs of users.

[0057] The substrate 10 can be a hard substrate, for example, a glass substrate, etc.; the substrate 10 can also be a flexible substrate, for example, polyimide (PI), etc. The material of the substrate 10 is not limited here, and is selected according to actual needs.

[0058] The common electrode layer 20 is used as an electrode for driving the liquid crystal 300 (see Figure 6 ) to deflect in the display panel 400.

[0059] Each functional unit 30 includes a first conductive block 31 and a second conductive block 32. In the functional unit 30, the first conductive block 31 and the second conductive block 32 are combined to define a conductive block 35. In a direction perpendicular to the substrate 10, the first conductive block 31 and the second conductive block 32 are partially overlapped and in contact with each other.

[0060] In some embodiments, the functional unit 30 has a temperature sensing function and a touch function. The temperature sensing function and the touch function are time-division multiplexed, i.e., the temperature sensing function and the touch function are not performed at the same time.

[0061] In other embodiments, the functional unit 30 has a temperature sensing function and a heating function. The temperature sensing function and the heating function are time-division multiplexed, i.e., the temperature sensing function and the heating function are not performed at the same time.

[0062] In yet other embodiments, the functional unit 30 has a temperature sensing function, a heating function, and a touch function. The temperature sensing function, the heating function, and the touch function are time-division multiplexed, i.e., the temperature sensing function, the heating function, and the touch function are not performed at the same time and are activated in each stage, respectively.

[0063] In some embodiments, the color film substrate 100 includes a temperature sensing stage and at least one of a touch stage and a heating stage.

[0064] In the temperature sensing stage, the functional unit 30 acts as a thermocouple, the overlapped part of the first conductive block 31 and the second conductive block 32 acts as a thermocouple node 36, the second end of one of the first conductive lead 33 and the second conductive lead 34 is connected to a high-level signal, and the second end of the other is connected to a low-level signal. The first conductive lead 33, the first conductive block 31, the second conductive block 32, and the second conductive lead 34 form a closed loop. The functional unit 30 can be used to detect temperature.

[0065] In the touch stage, the first conductive block 31 and the second conductive block 32 in the functional unit 30 cooperate to act as a touch electrode, the second end of one of the first conductive lead 33 and the second conductive lead 34 is used to output a driving signal, and the second end of the other is used to detect the change of the coupling capacitance on the touch electrode. That is, the conductive block 35 acts as a touch electrode. The first conductive lead 33 and the second conductive lead 34 act as touch signal lines.

[0066] In the heating stage, the functional unit 30 acts as a heating electrode, the second end of one of the first conductive lead 33 and the second conductive lead 34 is connected to a high-level signal, and the second end of the other is connected to a low-level signal. The first conductive lead 33, the first conductive block 31, the second conductive block 32, and the second conductive lead 34 form a closed loop. The first conductive lead 33, the first conductive block 31, the second conductive block 32, and the second conductive lead 34 all act as heating electrodes.

[0067] The working stage of the color film substrate 100 matches the function of the functional unit 30.

[0068] In some embodiments, the functional unit 30 has a temperature sensing function and a touch function, and the color film substrate 100 includes a temperature sensing stage and a touch stage.

[0069] In some other embodiments, the functional unit 30 has a temperature sensing function and a heating function, and the color film substrate 100 includes a temperature sensing stage and a heating stage.

[0070] In yet some other embodiments, the functional unit 30 has a temperature sensing function, a heating function and a touch function, and the color film substrate 100 includes a touch stage, a temperature sensing stage and a heating stage.

[0071] In some embodiments, the color film substrate 100 further includes a first binding part 40 and a second binding part 50, and the second end of the first conductive lead 33 of each of the plurality of functional units 30 is connected to the first binding part 40, and the second end of the second conductive lead 34 of each of the plurality of functional units 30 is connected to the second binding part 50. The first binding part 40 and the second binding part 50 are connected to different signals.

[0072] The color film substrate 100 has a display area 101 and a frame area 102. The first binding part 40 and the second binding part 50 are located in the frame area 102 and are respectively located on at least one side of the display area 101.

[0073] There is at least one first binding part 40 and at least one second binding part 50. The number of the first binding part 40 and the second binding part 50 is related to the setting position of the functional unit 30.

[0074] In some embodiments, there is one first binding part 40 and one second binding part 50. The first binding part 40 and the second binding part 50 are located on the same side of the display area 101 (see Figure 1 ); or, the first binding part 40 and the second binding part 50 are respectively located on two adjacent sides of the display area 101; or, the first binding part 40 and the second binding part 50 are respectively located on two opposite sides of the display area 101 (see Figure 5 ).

[0075] In some embodiments, the functional unit 30 has a light transmittance, and the functional unit 30 is located in the display area 101; or, the functional unit 30 is located in the frame area 102, and the plurality of functional units 30 are arranged around the display area 101.

[0076] In this embodiment, the functional unit 30 has a light transmittance, and the functional unit 30 is located in the display area 101.

[0077] In some embodiments, the plurality of first conductive blocks 31 are arranged in an array, and the plurality of second conductive blocks 32 are arranged in an array. That is, the plurality of conductive blocks 35 are arranged in an array. The first conductive blocks 31 and the second conductive blocks 32 are square, and each of the first conductive blocks 31 has the same shape and size, and each of the second conductive blocks 32 has the same shape and size. That is, each of the conductive blocks 35 has the same shape and size, which is conducive to uniform monitoring of the temperature of the display panel 400.

[0078] In other embodiments, the shape of the first conductive blocks 31 can be different from the shape of the second conductive blocks 32, and / or the size of the first conductive blocks 31 can be different from the size of the second conductive blocks 32.

[0079] In some embodiments, as shown in FIG. 1, the first conductive blocks 31 and the second conductive blocks 32 are arranged in an array, and the first conductive blocks 31 and the second conductive blocks 32 are arranged in an array. Figure 2

[0080] Please refer to FIG. 1, Figures 1 to 5 Figure 4 FIG. 1 is a structural schematic diagram of an embodiment of a conductive block provided by the present application, Figure 5 FIG. 2 is a structural schematic diagram of another embodiment of a conductive block provided by the present application.

[0081] In other embodiments, as shown in FIG. 2, Figure 4 and Figure 5 , a part of the first conductive blocks 31 is arranged to overlap the second conductive blocks 32, another part of the first conductive blocks 31 extends out of the second conductive blocks 32 and is arranged to be suspended relative to the second conductive blocks 32; and / or, a part of the second conductive blocks 32 is arranged to overlap the first conductive blocks 31, another part of the second conductive blocks 32 extends out of the first conductive blocks 32 and is arranged to be suspended relative to the first conductive blocks 31.

[0082] In the present embodiment, the first conductive blocks 31 and the second conductive blocks 32 are taken as an example for complete overlap to be described. In a top view, in order to facilitate understanding of the connection between the first conductive leads 33 and the first conductive blocks 31, and the second conductive leads 34 and the second conductive blocks 32, the size of the first conductive blocks 31 and the second conductive blocks 32 is shown to be different. The first conductive blocks 31 are arranged between the second conductive blocks 32 and the substrate 10.

[0083] In some embodiments, in the functional unit 30, the first conductive blocks 31 and the second conductive blocks 32 are combined to define the conductive blocks 35, and in a direction parallel to the substrate 10, the first conductive leads 33 and the second conductive leads 34 are respectively located on opposite sides of the conductive blocks 35, so as to avoid short-circuiting of the first conductive leads 33 and the second conductive leads 34, and facilitate preparation of the first conductive leads 33 and the second conductive leads 34.

[0084] ​​Exemplarily, in the functional unit 30, the extension direction of the first conductive lead 33 is arranged in parallel with the extension direction of the second conductive lead 34. The extension directions of all the first conductive leads 33 are arranged in parallel with each other, and the extension directions of all the second conductive leads 34 are arranged in parallel with each other, so as to reduce the number of the first binding parts 40 and the number of the second binding parts 50.

[0085] It should be noted that, in the embodiments of the present application, part of the first conductive leads 33 are in linear structure, and the other part of the first conductive leads 33 are in L-shaped structure. The extension direction of the linear structure is defined as the extension direction of the first conductive lead 33, and the extension direction of the long arm of the L-shaped structure is parallel with the extension direction of the linear structure. Alternatively, the first conductive leads 33 are all in L-shaped structure, and the extension direction of the long arm of the L-shaped structure is the extension direction of the first conductive lead 33.

[0086] Similarly, part of the second conductive leads 34 are in linear structure, and the other part of the second conductive leads 34 are in L-shaped structure. The extension direction of the linear structure is defined as the extension direction of the second conductive lead 34, and the extension direction of the long arm of the L-shaped structure is parallel with the extension direction of the linear structure. Alternatively, the second conductive leads 34 are all in L-shaped structure, and the extension direction of the long arm of the L-shaped structure is the extension direction of the second conductive lead 34.

[0087] In some embodiments, the first conductive block 31 and the second conductive block 32 are made of different conductive materials.

[0088] Exemplarily, the first conductive block 31 can include zinc oxide (ZnO), aluminum-doped zinc oxide (AZO), gallium-doped zinc oxide (GZO), i.e., by adjusting the composition and preparation process of the transparent oxide, so as to make it have the characteristics required by the thermocouple.

[0089] Exemplarily, the first conductive block 31 can include graphene.

[0090] Exemplarily, the first conductive block 31 can include a composite material, which is a transparent oxide layer or graphene deposited on the surface of the conductive layer.

[0091] Exemplarily, the first conductive block 31 can include a semiconductor doped material, such as silicon (Si), germanium (Ge), bismuth antimony (Bi2Sb3), bismuth telluride (Bi2Te3), lead selenide (PbSe), or silicon germanium alloy (SiGe), etc.

[0092] The second conductive block 32 can include the above-mentioned materials, as long as the overlapping part of the second conductive block 32 and the first conductive block 31 can form the thermocouple node 36.

[0093] In other embodiments, the first conductive block 31 and the second conductive block 32 can also be other materials, which are not limited here and can be selected according to actual needs.

[0094] In some embodiments, the first conductive block 31 can be the same material as the first conductive lead 33; or the first conductive block 31 can be different from the first conductive lead 33, as long as they have similar thermoelectric properties.

[0095] In some embodiments, the second conductive block 32 can be the same material as the second conductive lead 34; or the second conductive block 32 can be different from the second conductive lead 34, as long as they have similar thermoelectric properties.

[0096] For example, the first conductive block 31 can be the same material as the first conductive lead 33, and the second conductive block 32 can be different from the second conductive lead 34; or the first conductive block 31 can be the same material as the first conductive lead 33, and the second conductive block 32 can be the same material as the second conductive lead 34; or the first conductive block 31 can be different from the first conductive lead 33, and the second conductive block 32 can be different from the second conductive lead 34; or the first conductive block 31 can be different from the first conductive lead 33, and the second conductive block 32 can be the same material as the second conductive lead 34.

[0097] The first conductive lead 33 and the second conductive lead 34 are different materials, and can be the above-mentioned materials.

[0098] In some embodiments, the first conductive block 31 and the first conductive lead 33 are formed by patterning the same conductive layer, and the second conductive block 32 and the second conductive lead 34 are formed by patterning the same conductive layer, which can simplify the preparation process.

[0099] In some embodiments, the functional units 30 are filled with an insulating layer 70, which can be an incremental layer, a lens, or a light-transmitting layer, etc. insulating material layer that does not affect the normal display of the color film substrate 100.

[0100] In some embodiments, the color film substrate 100 further comprises a light filtering layer 60, which is located between the functional units 30 and the common electrode layer 20. The light filtering layer 60 not only filters light, but also insulates the functional units 30 and the common electrode layer 20.

[0101] The light filtering layer 60 includes color resist 61 and black matrix 62 located between the color resist 61. The distribution of the color resist 61 and the black matrix 62 is not limited here and can be selected according to actual needs.

[0102] Please refer to Figures 1 to 7 , Figure 6is a top view structural schematic diagram of a third embodiment of a color film substrate provided in the embodiments of the present application, Figure 7 is a top view structural schematic diagram of a fourth embodiment of a color film substrate provided in the embodiments of the present application.

[0103] The third embodiment of the color film substrate 100 provided in the embodiments of the present application is basically similar to the first embodiment of the color film substrate 100 provided in the embodiments of the present application in structure, and the difference is that the functional units 30 are located in the frame area 102, and the plurality of functional units 30 are arranged around the display area 101.

[0104] In some embodiments, the functional units 30 are located in the frame area 102, and the plurality of functional units 30 are arranged around the display area 101. The functional units 30 can have light transmission or can not have light transmission, which is not selected here, and is selected according to actual needs.

[0105] The first binding part 40 and the second binding part 50 are both multiple.

[0106] Exemplarily, the first binding part 40 is two, and the second binding part 50 is two. The first binding part 40 and the second binding part 50 are both located at the corners of the frame area 102. In each functional unit 30, the extension direction of the first conductive lead 33 is arranged in parallel with the extension direction of the second conductive lead 34. The extension directions of the first conductive leads 33 in the plurality of functional units 30 located on opposite sides of the display area 101 are arranged in parallel with each other, and the extension directions of the second conductive leads 34 in the plurality of functional units 30 located on opposite sides of the display area 101 are arranged in parallel with each other.

[0107] In some embodiments, as shown in Figure 6 , one binding part corresponds to one corner. The corners corresponding to the two first binding parts 40 are diagonally arranged, and the two corners corresponding to the two second binding parts 50 are diagonally arranged. The first conductive leads 33 in the functional units 30 located on adjacent sides of the display area 101 are connected to the same first conductive part, or the second conductive leads 34 in the functional units 30 located on adjacent sides of the display area 101 are connected to the same second conductive part.

[0108] In other embodiments, as shown in Figure 7 , one first binding part 40 and one second binding part 50 are located at the same corner of the frame area 102, and the other first binding part 40 and the other second binding part 50 are located at the same corner of the frame area 102, and the two corners are diagonally arranged.

[0109] Please refer to Figures 1 to 8 , Figure 8 is a structural schematic diagram of an embodiment of a display panel provided in the embodiments of the present application.

[0110] The embodiment of the present application provides a display panel 400. The display panel 400 comprises a color filter substrate 100, an array substrate 200 and liquid crystal 300.

[0111] The color filter substrate 100 is the color filter substrate 100 described above. The array substrate 200 is arranged opposite to the color filter substrate 100. The liquid crystal 300 is located between the color filter substrate 100 and the array substrate 200.

[0112] The common electrode layer 20 is located on the side of the substrate 10 close to the array substrate 200.

[0113] In some embodiments, the functional unit 30 has a heating function, can heat the liquid crystal 300 in a low-temperature environment, improve the display speed and display quality of the display panel 400, and increase the stability and reliability of the display panel 400.

[0114] Please refer to Figures 1 to 10 , Figure 9 is a structural schematic diagram of an embodiment of a display device provided by the embodiment of the present application, Figure 10 is a structural schematic diagram of another embodiment of a display device provided by the embodiment of the present application.

[0115] The embodiment of the present application provides a display device 700. The display device 700 comprises the display panel 400 described above.

[0116] In some embodiments, the display panel 400 further comprises a control module 500. The control module 500 is electrically connected with the first conductive lead 33 in the color filter substrate 100 and electrically connected with the second conductive lead 34 in the color filter substrate 100.

[0117] Exemplarily, the control module 500 is connected with the first binding part 40 and connected with the second binding part 50. The control module 500 is used for controlling the functional unit 30 to realize a functional operation.

[0118] Specifically, in a temperature sensing stage, the control module 500 is used for controlling the functional unit 30 to realize a temperature sensing function. In a touch stage, the control module 500 is used for controlling the functional unit 30 to realize a touch function. In a heating stage, the control module 500 is used for controlling the functional unit 30 to realize a heating function.

[0119] The control module 500 can be integrated in a printed circuit board (not shown in the figure) of the display panel 400, or integrated in the array substrate 200 of the display panel 400.

[0120] In some other embodiments, the display device 700 further comprises a control module 500 and a main control board 600. The main control board 600 is the central part of the whole display device 700, responsible for coordinating and controlling the functions of the display panel 400. The description of the control module 500 is referred to the above description, which will not be repeated here. The control module 500 can be arranged independently of the display panel 400, can be integrated into the main control board 600 of the display device 700, and can also be arranged independently of the display panel 400 and the main control board 600.

[0121] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0122] The above is only the implementation of the present application, and does not limit the patent protection scope of the present application. Any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A color film substrate, comprising: a substrate; a common electrode layer on one side of the substrate; characterized in that the color film substrate further comprises a plurality of functional units between the substrate and the common electrode layer; each of the functional units comprises: a first conductive block; a second conductive block arranged at least partially overlapping the first conductive block, and the overlapping part is in contact; a first conductive lead, a first end of the first conductive lead being in contact with the first conductive block; a second conductive lead, a first end of the second conductive lead being in contact with the second conductive block; a second end of the first conductive lead and a second end of the second conductive lead being connected to different signals; wherein the functional unit has a temperature sensing function, and further has a touch function and a heating function; the functions of the functional unit are time-division multiplexed; the color film substrate comprises a temperature sensing stage, and further comprises a touch stage and a heating stage; in the temperature sensing stage, the functional unit acts as a thermocouple, the overlapping part of the first conductive block and the second conductive block acts as a thermocouple node, a second end of one of the first conductive lead and the second conductive lead is connected to a high-level signal, and a second end of the other is connected to a low-level signal; in the touch stage, the first conductive block and the second conductive block in the functional unit jointly act as a touch electrode, the second end of one of the first conductive lead and the second conductive lead is used to output a driving signal, and the second end of the other is used to detect the change of coupling capacitance on the touch electrode; in the heating stage, the functional unit acts as a heating electrode, the second end of one of the first conductive lead and the second conductive lead is connected to a high-level signal, and the second end of the other is connected to a low-level signal. The color film substrate further comprises a first binding part and a second binding part, the second ends of the first conductive leads in the plurality of functional units are all connected to the first binding part, and the second ends of the second conductive leads are all connected to the second binding part; the first binding part and the second binding part are connected to different signals; the color film substrate has a display area and a frame area; the first binding part and the second binding part are located in the frame area and are located on at least one side of the display area, respectively. The functional unit has light transmittance, and the functional unit is located in the display area; or, the functional unit is located in the frame area, and a plurality of the functional units are arranged around the display area. In the functional unit, the first conductive block and the second conductive block are combined to define a conductive block, and in a direction parallel to the substrate, the first conductive lead and the second conductive lead are located on opposite sides of the conductive block, respectively. The first conductive block and the second conductive block are made of different conductive materials. The first conductive block and the first conductive lead are formed by patterning the same conductive layer, and the second conductive block and the second conductive lead are formed by patterning the same conductive layer. The color film substrate further comprises a filter layer between the functional unit and the common electrode layer. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2. The color filter substrate according to claim 1, wherein ​ ​ 3. The color filter substrate according to claim 2, wherein ​ ​ ​ 4. The color filter substrate according to claim 1, wherein ​ 5. The color filter substrate according to claim 1, wherein ​ 6. The color filter substrate according to claim 5, wherein ​ 7. The color filter substrate according to claim 1, wherein ​ 8. A display panel, characterized by, ​ The color film substrate is as claimed in any one of claims 1 to 7. The array substrate is arranged opposite to the color film substrate. Liquid crystal is located between the color film substrate and the array substrate.

9. A display device, characterized by comprising: Comprise: The display panel is as claimed in claim 8. The display panel further comprises a control module; or the display device further comprises the control module. The control module is electrically connected with the first conductive lead line in the color film substrate and the second conductive lead line in the color film substrate.

Images