Color film substrate, display panel and display device

Abstract

The invention provides a color film substrate, a display panel and a display device. According to the embodiment of the invention, the functional unit is arranged in the color film substrate, so that the temperature of the display panel can be monitored, the liquid crystal can be heated in a low-temperature environment, the display speed and the display quality of the display panel are improved, the stability and the reliability of the display panel are improved, touch control and display integration can be realized, and the intelligent requirement of a user is met.

Description

Technical Field

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

[0002] Most liquid crystal displays (LCDs) are backlight type LCDs, which include a housing, a liquid crystal display panel disposed in the housing, and a backlight module in the housing. The LCD requires a light source provided by the backlight module to display light normally.

[0003] Usually, a liquid crystal display panel is made of two glass substrates (array glass and color filter glass) bonded together, with liquid crystal poured between the two glass substrates. Pixel electrodes and common electrodes are set on the opposite inner sides of the two glass substrates, and the voltage field strength is used to control the rotation direction of the liquid crystal molecules to refract the light from the backlight module to produce a picture.

[0004] LCD has a greater adhesion due to the characteristics of the liquid crystal molecules themselves; due to its poor response speed, especially at low temperatures, its ghosting is more obvious, seriously affecting the display quality. Summary of the invention

[0005] The main 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] In order to solve the above technical problems, the first technical solution provided by the present application is: to provide a color filter substrate, including:

[0007] substrate;

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

[0009] The color filter substrate further includes a plurality of functional units, and the functional units are located between the substrate and the common electrode layer; each functional unit includes:

[0010] a first conductive block;

[0011] A second conductive block is disposed at least partially overlapping with the first conductive block, and the overlapping portion is disposed in contact with the first conductive block;

[0012] A first conductive lead, wherein a first end of the first conductive lead is arranged in contact with the first conductive block;

[0013] A second conductive lead, wherein a first end of the second conductive lead is arranged 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] Among them, the functional unit has a temperature sensing function, and also has at least one function of touch and heating; the various functions of the functional unit are time-division multiplexed.

[0015] Wherein, the color film substrate includes a temperature sensing stage, and also includes at least one of a touch control stage and a heating stage;

[0016] In the temperature sensing stage, the functional unit acts as a thermocouple, the overlapping portion of the first conductive block and the second conductive block acts 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 control stage, the first conductive block and the second conductive block in the functional unit cooperate together as a touch control 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 one is used to detect a change in coupling capacitance on the touch control electrode;

[0018] In the heating stage, the functional unit serves as a heating electrode, 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 one is connected to a low level signal.

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

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

[0021] Wherein, the functional unit is light-transmissive and is located in the display area;

[0022] or,

[0023] The functional unit is located in the border area, and a 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 form 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 filter substrate further includes a filter layer, and the filter layer is located between the functional unit and the common electrode layer.

[0028] In order to solve the above technical problem, the second technical solution provided by the present application is: to provide a display panel, which includes:

[0029] The color filter substrate is the color filter substrate as described above;

[0030] An array substrate is arranged opposite to the color filter substrate;

[0031] The liquid crystal is located between the color filter substrate and the array substrate.

[0032] In order to solve the above technical problems, the third technical solution provided by the present application is: to provide a display device, which includes:

[0033] The display panel is the display panel as described above;

[0034] Wherein, the display panel further includes a control module; or, the display device further includes a control module;

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

[0036] Beneficial effects of the present application: Different from the prior art, the present application provides a color film substrate, a display panel and a display device, wherein the color film substrate includes a substrate, a common electrode layer and a plurality of functional units. The common electrode layer is located on one side of the substrate. The functional unit is located between the substrate and the common electrode layer. Each functional unit includes a first conductive block, a second conductive block, a first conductive lead and a second conductive lead. The second conductive block is at least partially overlapped with the first conductive block, and the overlapping portion is contacted. The first end of the first conductive lead is contacted with the first conductive block. The first end of the second conductive lead is contacted 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. Among them, the functional unit has a temperature sensing function and also has at least one of touch and heating functions. The functions of the functional unit are time-division multiplexed. The embodiment of the present application can realize temperature monitoring of the display panel and heating of the liquid crystal in a low temperature environment by setting the functional unit in the color film substrate, thereby improving the display speed and display quality of the display panel, increasing the stability and reliability of the display panel, and realizing touch display integration to meet the intelligent needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technical workers in this field, other drawings can be obtained based on these drawings without any creative work.

[0038] Figure 1 is a schematic diagram of a top view of a first embodiment of a color filter substrate provided in an embodiment of the present application;

[0039] Figure 2 is a schematic diagram of the longitudinal cross-sectional structure of an embodiment of a color filter substrate provided in an embodiment of the present application;

[0040] Figure 3 is a schematic diagram of a top view of the structure of a second embodiment of a color filter substrate provided in an embodiment of the present application;

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

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

[0043] Figure 6 is a schematic diagram of a top view of the structure of a third embodiment of a color filter substrate provided in an embodiment of the present application;

[0044] Figure 7 is a schematic diagram of a top view of a fourth embodiment of a color filter substrate provided in an embodiment of the present application;

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

[0046] Fig. 9 is a structural schematic diagram of an embodiment of a display device provided in an embodiment of the present application;

[0047] Fig.10 It is a structural schematic diagram of another embodiment of the display device provided in the embodiment of the present application.

[0048] Description of Figure Numbers:

[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 embodiment of the present application is described in detail below in conjunction with the drawings of the specification.

[0051] In the following description, for the purpose of explanation rather than limitation, specific details such as specific system structures, interfaces, and technologies are provided to facilitate a thorough understanding of the present application.

[0052] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technical workers in the field without making creative work are within the scope of protection of this application.

[0053] The terms "first", "second", "third" in this application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first", "second", "third" can expressly or implicitly include at least one of the features. In the description of this application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. In the embodiments of this application, all directional indications (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the steps or units listed, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or devices.

[0054] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0055] See also Figures 1 to 3 , Figure 1 is a schematic diagram of a top view of the structure of a first embodiment of a color filter substrate provided in an embodiment of the present application, Figure 2 is a schematic diagram of the longitudinal cross-sectional structure of an embodiment of a color film substrate provided in an embodiment of the present application, Figure 3 It is a schematic diagram of the top view of the structure of the second embodiment of the color filter substrate provided in the embodiment of the present application.

[0056] The embodiment of the present application provides a color film substrate 100. The color film substrate 100 includes 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 unit 30 is located between the substrate 10 and the common electrode layer 20. Each functional unit 30 includes 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 at least partially overlapped with the first conductive block 31, and the overlapping portion is contacted. The first end of the first conductive lead 33 is contacted with the first conductive block 31. The first end of the second conductive lead 34 is contacted with the second conductive block 32. The second end of the first conductive lead 33 and the second end of the second conductive lead 34 are connected to different signals. Among them, the functional unit 30 has a temperature sensing function, and also has at least one of touch and heating functions. The various functions of the functional unit 30 are time-division multiplexed. By setting the functional unit 30 in the color film substrate 100, the embodiment of the present application can not only realize the display panel 400 (see Figure 6 ) and heating the liquid crystal 300 in a low temperature environment, thereby improving the display speed and display quality of the display panel 400, increasing the stability and reliability of the display panel 400, and realizing touch display integration to meet the user's intelligent needs.

[0057] The substrate 10 may be a hard substrate, such as a glass substrate, etc. The substrate 10 may also be a flexible substrate, such as 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 to drive the liquid crystal 300 in the display panel 400 (see Figure 6 ) deflection electrode.

[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 form 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 the overlapping portions are in contact and electrically connected.

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

[0061] In some 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, that is, the temperature sensing function and the heating function are not performed at the same time.

[0062] In some other embodiments, the functional unit 30 has a temperature sensing function, a heating function and a touch control function. The temperature sensing function, the heating function and the touch control function are time-division multiplexed, that is, the temperature sensing function, the heating function and the touch control function are not performed at the same time, and are activated separately in each stage.

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

[0064] In the temperature sensing stage, the functional unit 30 acts as a thermocouple, the overlapping portion 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 control stage, the first conductive block 31 and the second conductive block 32 in the functional unit 30 cooperate to serve as a touch control 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 coupling capacitance on the touch control electrode. That is, the conductive block 35 serves as a touch control electrode. The first conductive lead 33 and the second conductive lead 34 serve as touch control 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 phase of the color filter 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 control function, and the color film substrate 100 includes a temperature sensing stage and a touch control stage.

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

[0070] In 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 portion 40 and a second binding portion 50. In the plurality of functional units 30, the second ends of the first conductive leads 33 are all connected to the first binding portion 40, and the second ends of the second conductive leads 34 are all connected to the second binding portion 50. The first binding portion 40 and the second binding portion 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 portion 40 and the second binding portion 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 portion 40 and at least one second binding portion 50. The number of the first binding portion 40 and the second binding portion 50 is related to the location of the functional unit 30.

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

[0075] In some embodiments, the functional unit 30 is light-transmissive and is located in the display area 101 ; or, the functional unit 30 is located in the border area 102 , and a plurality of functional units 30 are disposed around the display area 101 .

[0076] In this embodiment, an example is taken in which the functional unit 30 is light-transmissive and is located in the display area 101 for description.

[0077] In some embodiments, in the plurality of functional units 30, 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 both square, and each first conductive block 31 has the same shape and size, and each second conductive block 32 has the same shape and size. That is, each conductive block 35 has the same shape and size, and this design method is conducive to realizing uniform monitoring of the temperature of each location of the display panel 400.

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

[0079] In some embodiments, Figure 2 As shown, in the conductive block 35 , the first conductive block 31 and the second conductive block 32 are completely overlapped.

[0080] See also Figures 1 to 5 , Figure 4 is a schematic structural diagram of an embodiment of a conductive block provided in an embodiment of the present application, Figure 5 It is a structural schematic diagram of another embodiment of the conductive block provided in the embodiment of the present application.

[0081] In other embodiments, Figure 4 and Figure 5 As shown, a portion of the first conductive block 31 is overlapped with the second conductive block 32, and another portion of the first conductive block 31 extends out of the second conductive portion and is suspended relative to the second conductive block 32; and / or a portion of the second conductive block 32 is overlapped with the first conductive block 31, and another portion of the second conductive block 32 extends out of the first conductive portion and is suspended relative to the second conductive block 32.

[0082] In this embodiment, the first conductive block 31 and the second conductive block 32 are completely overlapped as an example for description. In the top view, in order to facilitate understanding of the connection between the first conductive lead 33 and the first conductive block 31, and the second conductive lead 34 and the second conductive block 32, the sizes of the first conductive block 31 and the second conductive block 32 are shown as different. The first conductive block 31 is disposed between the second conductive block 32 and the substrate 10.

[0083] In some embodiments, in the functional unit 30, the first conductive block 31 and the second conductive block 32 are combined to be defined as a conductive block 35. In a direction parallel to the substrate 10, the first conductive lead 33 and the second conductive lead 34 are respectively located on opposite sides of the conductive block 35 to avoid short circuit between the first conductive lead 33 and the second conductive lead 34 and to facilitate the preparation of the first conductive lead 33 and the second conductive lead 34.

[0084] Exemplarily, in the functional unit 30, the extension direction of the first conductive lead 33 is arranged parallel to the extension direction of the second conductive lead 34. The extension directions of all the first conductive leads 33 are arranged parallel to each other, and the extension directions of all the second conductive leads 34 are arranged parallel to 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 embodiment of the present application, a portion of the first conductive lead 33 is a straight structure, and another portion of the first conductive lead 33 is an L-shaped structure, wherein the extension direction of the straight 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 to the extension direction of the straight structure; alternatively, all the first conductive leads 33 are L-shaped structures, 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, a portion of the second conductive leads 34 is a straight structure, and another portion of the second conductive leads 34 is an L-shaped structure, and the extension direction of the straight structure is defined as the extension direction of the second conductive leads 34, and the extension direction of the long arm of the L-shaped structure is parallel to the extension direction of the straight structure. Alternatively, all the second conductive leads 34 are L-shaped structures, and the extension direction of the long arm of the L-shaped structure is the extension direction of the second conductive leads 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 may include zinc oxide (ZnO), aluminum-doped zinc oxide (AZO), or gallium-doped zinc oxide (GZO), that is, the transparent oxide may have the characteristics required by the thermocouple by adjusting the composition and preparation process.

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

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

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

[0092] The second conductive block 32 may include the above-mentioned materials, and it is only necessary to ensure that the overlapping portion of the second conductive block 32 and the first conductive block 31 can form a thermocouple node 36 .

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

[0094] In some embodiments, the first conductive block 31 may be made of the same material as the first conductive lead 33 ; or, the first conductive block 31 may be made of a different material than the first conductive lead 33 , as long as both have similar thermoelectric properties.

[0095] In some embodiments, the second conductive block 32 may be made of the same material as the second conductive lead 34 ; or, the second conductive block 32 may be made of a different material than the second conductive lead 34 , as long as both have similar thermoelectric properties.

[0096] Exemplarily, the first conductive block 31 may be made of the same material as the first conductive lead 33, and the second conductive block 32 may be made of a different material from the second conductive lead 34; or, the first conductive block 31 may be made of the same material as the first conductive lead 33, and the second conductive block 32 may be made of the same material as the second conductive lead 34; or, the first conductive block 31 may be made of a different material from the first conductive lead 33, and the second conductive block 32 may be made of a different material from the second conductive lead 34; or, the first conductive block 31 may be made of a different material from the first conductive lead 33, and the second conductive block 32 may be made of the same material as the second conductive lead 34.

[0097] The first conductive lead 33 and the second conductive lead 34 are made of different materials, and both can be made of 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 manufacturing process.

[0099] In some embodiments, an insulating layer 70 is filled between the functional units 30 , and the insulating layer 70 may be an insulating material layer such as an incremental layer, a lens or a light-transmitting layer that does not affect the normal display of the color filter substrate 100 .

[0100] In some embodiments, the color filter substrate 100 further includes a filter layer 60 , which is located between the functional unit 30 and the common electrode layer 20 . The filter layer 60 can not only filter light but also insulate the functional unit 30 from the common electrode layer 20 .

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

[0102] See also Figures 1 to 7 , Figure 6is a schematic diagram of a top view of the structure of a third embodiment of a color filter substrate provided in an embodiment of the present application, Figure 7 It is a schematic diagram of the top structure of the fourth embodiment of the color filter substrate provided in the embodiments of the present application.

[0103] The structure of the third embodiment of the color filter substrate 100 provided in the embodiment of the present application is basically similar to that of the first embodiment of the color filter substrate 100 provided in the embodiment of the present application, except that the functional unit 30 is located in the border area 102 , and multiple functional units 30 are arranged around the display area 101 .

[0104] In some embodiments, the functional unit 30 is located in the frame area 102, and multiple functional units 30 are arranged around the display area 101. The functional unit 30 may be light-transmissive or not, which is not selected here and is selected according to actual needs.

[0105] There are plural first binding parts 40 and plural second binding parts 50 .

[0106] Exemplarily, there are two first binding parts 40 and two second binding parts 50. Both the first binding part 40 and the second binding part 50 are 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 multiple 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 multiple functional units 30 located on opposite sides of the display area 101 are arranged in parallel with each other.

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

[0108] In other embodiments, Figure 7 As shown, a first binding portion 40 and a second binding portion 50 are located at the same corner of the border area 102, and another first binding portion 40 and another second binding portion 50 are located at the same corner of the border area 102, and the two corners are arranged diagonally.

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

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

[0111] The color filter substrate 100 is the color filter substrate 100 mentioned 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 a side of the substrate 10 close to the array substrate 200 .

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

[0114] See also Figures 1 to 10 , Fig. 9 is a schematic structural diagram of an embodiment of a display device provided in an embodiment of the present application, Fig.10 It is a structural schematic diagram of another embodiment of the display device provided in the embodiment of the present application.

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

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

[0117] Exemplarily, the control module 500 is connected to the first binding part 40 and to the second binding part 50. The control module 500 is used to control the functional unit 30 to implement functional operations.

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

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

[0120] In other embodiments, the display device 700 further includes a control module 500 and a main control board 600. The main control board 600 is the central part of the entire display device 700, and is responsible for coordinating and controlling the various functions of the display panel 400. The description of the control module 500 refers to the above description and is not repeated here. The control module 500 can be set independently of the display panel 400, or can be integrated in the main control board 600 of the display device 700, or can be set 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 emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0122] The above are only implementation methods of the present application, and are not intended to limit the patent protection scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A color film substrate, comprising: substrate; A common electrode layer, located on one side of the substrate; It is characterized in that the color filter substrate further comprises a plurality of functional units, and the functional units are located between the substrate and the common electrode layer; each of the functional units comprises: a first conductive block; A second conductive block is disposed at least partially overlapping with the first conductive block, and the overlapping portion is disposed in contact with the first conductive block; A first conductive lead, wherein a first end of the first conductive lead is disposed in contact with the first conductive block; a second conductive lead, wherein a first end of the second conductive lead is arranged 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; The functional unit has a temperature sensing function, and also has at least one of a touch control and a heating function; and the functions of the functional unit are time-division multiplexed.

2. The color film substrate according to claim 1, characterized in that: The color film substrate includes a temperature sensing stage, and also includes at least one of a touch control stage and a heating stage; In the temperature sensing stage, the functional unit acts as a thermocouple, the overlapping portion of the first conductive block and the second conductive block acts 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 one of the first conductive lead and the second conductive lead is connected to a low level signal; In the touch control stage, the first conductive block and the second conductive block in the functional unit cooperate together as a touch control 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 one is used to detect a change in coupling capacitance on the touch control electrode; In the heating stage, the functional unit serves 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 one of the first conductive lead and the second conductive lead is connected to a low level signal.

3. The color film substrate according to claim 1, characterized in that: The color film substrate further comprises a first binding part and a second binding part. In the plurality of the 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. The color film substrate has a display area and a frame area; the first binding portion and the second binding portion are located in the frame area and are respectively located on at least one side of the display area.

4. The color film substrate according to claim 1, characterized in that: The functional unit is light-transmissive and 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.

5. The color film substrate according to claim 1, characterized in that: In the functional unit, the first conductive block and the second conductive block are combined to form 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.

6. The color film substrate according to claim 1, characterized in that: The first conductive block and the second conductive block are made of different conductive materials.

7. The color film substrate according to claim 6, characterized in that: 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.

8. The color film substrate according to claim 1, characterized in that: The color filter substrate further includes a filter layer, and the filter layer is located between the functional unit and the common electrode layer.

9. A display panel, characterized in that: include: A color film substrate, which is the color film substrate according to any one of claims 1 to 8; An array substrate, arranged opposite to the color filter substrate; The liquid crystal is located between the color filter substrate and the array substrate.

10. A display device, characterized in that: include: The display panel is the display panel as claimed in claim 9; Wherein, the display panel further includes a control module; or, the display device further includes the control module; The control module is electrically connected to the first conductive lead in the color filter substrate, and is electrically connected to the second conductive lead in the color filter substrate.

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