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 temperature-sensitive conductive layer is arranged in the color film substrate, and the conductive block in the temperature-sensitive conductive layer is used as the temperature sensing element, so that the temperature monitoring of the display panel can be realized; secondly, the common electrode layer is electrically connected with a conductive block or a lead in the thermosensitive conductive layer, so that the common electrode layer is reused as a heating electrode, liquid crystal can be heated in a low-temperature environment, the display speed and the display quality of the display panel are improved, and the stability and the reliability of the display panel are improved; in addition, when the conductive blocks serve as touch electrodes, touch display integration can be achieved, 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, and liquid crystal is poured between the two glass substrates. Pixel electrodes and common electrodes are set on the opposite inner sides of the two glass substrates. The voltage field strength is used to control the rotation direction of the liquid crystal to refract the light from the backlight module to produce a picture.

[0004] LCD has a large 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, which seriously affects 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;

[0009] The color film substrate further includes a thermosensitive conductive layer located between the substrate and the common electrode layer; the thermosensitive conductive layer is used to form a plurality of leads and a plurality of mutually independent conductive blocks; each conductive block is connected to at least one lead;

[0010] At least one conductive block is used as a temperature sensing element;

[0011] Among them, at least one conductive block is electrically connected to the common electrode layer to serve as a heating electrode; or, the conductive block serves as a touch electrode, and the common electrode layer is electrically connected to at least one lead to be reused as a heating electrode.

[0012] The color film substrate has a display area and a frame area, the thermosensitive conductive layer is light-transmissive, and the conductive block is located in the display area.

[0013] Wherein, each conductive block has a single function;

[0014] A conductive block used as a temperature sensing element is defined as a temperature sensing conductive block, and each temperature sensing conductive block is connected to at least one lead wire;

[0015] Conductive blocks electrically connected to the common electrode layer to serve as heating electrodes are defined as heating conductive blocks, and each heating conductive block is connected to a lead wire.

[0016] in,

[0017] The color film substrate also includes a first binding part and a second binding part, both of which are located in the frame area; the temperature-sensitive conductive block is arranged corresponding to the two leads, one of the two leads is electrically connected to the first binding part, and the other is electrically connected to the second binding part; the color film substrate has a display stage, a temperature sensing stage and a heating stage; the display stage, the heating stage and the temperature sensing stage are carried out in different time periods;

[0018] in,

[0019] The lead wire corresponding to the heating conductive block is electrically connected to one of the first binding part and the second binding part; the display stage, the heating stage and the temperature sensing stage are carried out in different time periods;

[0020] or,

[0021] The color film substrate also includes a third binding part located in the frame area; the lead wire corresponding to the heating conductive block is electrically connected to the third binding part; the heating stage and the display stage are performed in different time periods.

[0022] The conductive block that is time-division multiplexed as a temperature sensing element and a heating electrode is defined as a first multifunctional conductive block, and there is at least one first multifunctional conductive block;

[0023] Each first multifunctional conductive block is connected to two lead wires.

[0024] Among the multiple independent conductive blocks, some of the conductive blocks are first multifunctional conductive blocks, and the other conductive blocks are temperature-sensitive conductive blocks, and each temperature-sensitive conductive block is connected to two leads; the color film substrate has a display stage, a temperature-sensing stage, and a heating stage;

[0025] The color filter substrate further includes a first binding portion and a second binding portion, both of which are located in the frame area; one of the two leads corresponding to the temperature-sensitive conductive block is electrically connected to the first binding portion, and the other is electrically connected to the second binding portion;

[0026] in,

[0027] One of the two leads corresponding to the first multifunctional conductive block is electrically connected to the first binding portion, and the other is electrically connected to the second binding portion; the display stage, the heating stage and the temperature sensing stage are performed in different time periods;

[0028] or,

[0029] The color film substrate also includes a third binding part located in the border area; one of the two leads corresponding to the first multifunctional conductive block is electrically connected to one of the first binding part and the second binding part, and the other is electrically connected to the third binding part; the display stage and the heating stage are carried out in time, and the temperature sensing stage and the heating stage are carried out in time.

[0030] The conductive block that is time-division multiplexed as a temperature sensing element and a touch electrode is defined as a second multifunctional conductive block, and there is at least one second multifunctional conductive block; each conductive block is electrically connected to a lead; the color film substrate has a display stage, a touch stage, a heating stage, and a temperature sensing stage;

[0031] The color film substrate includes a first binding portion located in the frame area, the leads are all electrically connected to the first binding portion, and the display stage, heating stage, touch stage and temperature sensing stage are performed in different time periods;

[0032] or,

[0033] The color film substrate includes a first binding part and a second binding part, both of which are located in the frame area; the leads corresponding to the conductive blocks are electrically connected to the first binding part, and the leads electrically connected to the common electrode layer are electrically connected to the second binding part; the display stage and the heating stage are carried out in time, and the touch stage and the temperature sensing stage are carried out in time.

[0034] Among them, the color filter substrate also includes a filter layer, which is located between the thermosensitive conductive layer and the common electrode layer; the color filter substrate also includes a conductive hole, and the conductive block is electrically connected to the common electrode layer through at least one conductive hole, or the lead is electrically connected to the common electrode layer through the conductive hole.

[0035] 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:

[0036] A color filter substrate, which is the color filter substrate mentioned above;

[0037] An array substrate is arranged opposite to the color filter substrate;

[0038] The liquid crystal is located between the color filter substrate and the array substrate.

[0039] 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:

[0040] The display panel is the above-mentioned display panel;

[0041] Wherein, the display panel further includes a control module; or, the display device further includes a control module;

[0042] The control module is electrically connected to the leads in the color film substrate.

[0043] 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 thermosensitive conductive layer. The thermosensitive conductive layer is located between the substrate and the common electrode layer. The thermosensitive conductive layer is used to form a plurality of leads and a plurality of mutually independent conductive blocks. Each conductive block is connected to at least one lead. At least one conductive block is used as a temperature sensing element. Among them, at least one conductive block is electrically connected to the common electrode layer to serve as a heating electrode; or, the conductive block serves as a touch electrode, and the common electrode layer is electrically connected to at least one lead to be reused as a heating electrode. The embodiment of the present application can realize temperature monitoring of the display panel by setting a thermosensitive conductive layer in the color film substrate and making the conductive blocks in the thermosensitive conductive layer serve as temperature sensing elements; secondly, the common electrode layer is electrically connected to the conductive blocks or leads in the thermosensitive conductive layer, so that they are reused as heating electrodes, which can heat the liquid crystal in a low temperature environment, improve the display speed and display quality of the display panel, and increase the stability and reliability of the display panel; in addition, when the conductive blocks are used as touch electrodes, touch display integration can be realized to meet the intelligent needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] 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.

[0045] 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;

[0046] 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;

[0047] 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;

[0048] Figure 4 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;

[0049] Figure 5 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;

[0050] Figure 6 is a schematic diagram of a top view of a fifth embodiment of a color filter substrate provided in an embodiment of the present application;

[0051] Figure 7is a schematic diagram of the longitudinal cross-sectional structure of another embodiment of the color filter substrate provided in an embodiment of the present application;

[0052] Figure 8 is a schematic diagram of a top view of a sixth embodiment of a color filter substrate provided in an embodiment of the present application;

[0053] Fig. 9 is a schematic structural diagram of an embodiment of a display panel provided in an embodiment of the present application;

[0054] Fig.10 is a structural schematic diagram of an embodiment of a display device provided in an embodiment of the present application;

[0055] Fig.11 It is a structural schematic diagram of another embodiment of the display device provided in the embodiment of the present application.

[0056] Description of Figure Numbers:

[0057] 100, color film substrate; 101, display area; 102, frame area; 10, substrate; 20, common electrode layer; 30, thermosensitive conductive layer; 31, conductive block; 311, temperature-sensitive conductive block; 312, heating conductive block; 313, first multifunctional conductive block; 314, second multifunctional conductive block; 32, lead; 41, first binding part; 42, second binding part; 43, third binding part; 60, filter layer; 61, color resistance; 62, black matrix; 70, conductive hole; 80, insulating layer; 200, array substrate; 300, liquid crystal; 400, display panel; 500, control module; 600, main control board; 700, display device. DETAILED DESCRIPTION

[0058] The scheme of the embodiment of the present application is described in detail below in conjunction with the drawings of the specification.

[0059] 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.

[0060] 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.

[0061] 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.

[0062] 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.

[0063] 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.

[0064] The embodiment of the present application provides a color filter substrate 100. The color filter substrate 100 includes a substrate 10, a common electrode layer 20 and a thermosensitive conductive layer 30. The thermosensitive conductive layer 30 is located between the substrate 10 and the common electrode layer 20. The thermosensitive conductive layer 30 is used to form a plurality of leads 32 and a plurality of mutually independent conductive blocks 31. Each conductive block 31 is connected to at least one lead 32. At least one conductive block 31 is used as a temperature sensing element. Among them, at least one conductive block 31 is electrically connected to the common electrode layer 20 to serve as a heating electrode, or the conductive block 31 serves as a touch electrode, and the common electrode layer 20 is electrically connected to at least one lead 32 to be reused as a heating electrode.

[0065] In the embodiment of the present application, a thermosensitive conductive layer 30 is provided in the color film substrate 100, and the conductive blocks 31 in the thermosensitive conductive layer 30 are used as temperature sensing elements, so that the display panel 400 (see Fig. 9 ) temperature monitoring; secondly, the common electrode layer 20 is electrically connected to the conductive block 31 or the lead 32 in the thermosensitive conductive layer 30, so that it can be reused as a heating electrode to heat the liquid crystal 300 in a low temperature environment (see Fig. 9 ), improve the display speed and display quality of the display panel 400, and increase the stability and reliability of the display panel 400; in addition, when the conductive block 31 is used as a touch electrode, it can also realize the integration of touch display and meet the intelligent needs of users.

[0066] The substrate 10 may be a hard substrate, such as glass, quartz, sapphire, etc.; the substrate 10 may also be a flexible substrate, such as polyimide (PI), polyethylene terephthalate (PET), etc. The material of the substrate 10 is not limited here and is selected according to actual needs. The substrate 10 is a transparent substrate.

[0067] When the display panel 400 is in a display stage, the common electrode layer 20 is used as an electrode for driving the liquid crystal 300 to deflect in the display panel 400 .

[0068] In some embodiments, the color film substrate 100 has a display area 101 and a frame area 102 , the thermosensitive conductive layer 30 is light-transmissive, and the conductive blocks 31 are located in the display area 101 .

[0069] Exemplarily, the border area 102 is disposed around the display area 101 .

[0070] The lead wire 32 and the conductive block 31 are formed by patterning the same conductive layer, and both the lead wire 32 and the conductive block 31 have a heat-sensitive property.

[0071] The lead wire 32 is at least partially located in the display area 101 and is used to electrically connect the conductive block 31 to an external control circuit (for example, Fig.10 The control module 500 in is connected.

[0072] Exemplarily, the thermosensitive conductive layer 30 includes a transparent conductive oxide (TCO), such as indium tin oxide (ITO), aluminum zinc oxide (AZO), or zinc tin oxide (IZO).

[0073] Exemplarily, the thermosensitive conductive layer 30 includes graphene.

[0074] The material of the thermosensitive conductive layer 30 includes but is not limited to the above, and is selected according to actual needs.

[0075] The shapes of the conductive blocks 31 may be different, and / or the sizes of the conductive blocks 31 may be different; or, the shapes and sizes of the conductive blocks 31 may be the same. There is no restriction on the shapes and sizes of the multiple conductive blocks 31, and they are selected according to actual needs.

[0076] Exemplarily, the conductive blocks 31 are all rectangular in shape, and the sizes of the conductive blocks 31 are all equal.

[0077] In other embodiments, the shape of the conductive block 31 may be a regular shape such as a circle, a triangle, a parallelogram, a trapezoid, or an irregular shape.

[0078] There is no limitation on the arrangement of the conductive blocks 31 , and the arrangement can be selected according to actual needs.

[0079] Exemplarily, a plurality of conductive blocks 31 are arranged in a matrix, and the leads 32 are extended along the row direction of the conductive blocks 31 or along the column direction of the conductive blocks 31 to facilitate wiring.

[0080] It should be noted that in the embodiment of the present application, a portion of the leads 32 is a straight structure, and another portion of the leads 32 is an L-shaped structure. The extension direction of the straight structure is defined as the extension direction of the lead 32, 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 leads 32 are L-shaped structures, and the extension direction of the long arm of the L-shaped structure is the extension direction of the lead 32.

[0081] In some embodiments, at least one conductive block 31 is used as a temperature sensing element, and at least one conductive block 31 is electrically connected to the common electrode layer 20 to serve as a heating electrode.

[0082] In some embodiments, each conductive block 31 has a single function. The conductive blocks 31 used as temperature sensing elements are defined as temperature sensing conductive blocks 311 , and each temperature sensing conductive block 311 is connected to at least one lead 32 .

[0083] The conductive blocks 31 electrically connected to the common electrode layer 20 to serve as heating electrodes are defined as heating conductive blocks 312 , and each heating conductive block 312 is connected to a lead wire 32 .

[0084] In the embodiment of the present application, the temperature-sensing conductive block 311 and the heating conductive block 312 are both conductive blocks 31 with a single function, that is, the temperature-sensing conductive block 311 is only used as a temperature-sensing element and is not reused as a heating electrode and / or a touch electrode. Also, the heating conductive block 312 is only used as a heating electrode and is not reused as a temperature-sensing element and / or a touch electrode.

[0085] The color filter substrate 100 has a display stage, a heating stage and a temperature sensing stage. The heating stage and the display stage are performed in different time periods. That is, the display and the heating cannot be performed at the same time.

[0086] Specifically, in the display stage, the common electrode layer 20 is used as an electrode to control the deflection of the liquid crystal 300 and to generate an electric field. In the heating stage, the common electrode layer 20 is electrically connected to the heating conductive block 312. The common electrode layer 20 and the heating conductive block 312 are both used as heating electrodes, which can heat the liquid crystal 300 in a low temperature environment and improve the display speed and display quality of the display panel 400. The common electrode layer 20 is arranged close to the liquid crystal 300. Using the common electrode layer 20 as a heating electrode can also avoid heating delays that affect the response speed of the display panel 400.

[0087] In some specific embodiments, Figure 1 As shown, the color film substrate 100 also includes a first binding portion 41 and a second binding portion 42, both of which are located in the frame area 102. The temperature-sensing conductive block 311 is provided corresponding to two leads 32, one of the two leads 32 is electrically connected to the first binding portion 41, and the other is electrically connected to the second binding portion 42. Among them, the lead 32 corresponding to the heating conductive block 312 is electrically connected to one of the first binding portion 41 and the second binding portion 42. The display stage, the heating stage, and the temperature-sensing stage are performed in different time periods.

[0088] Exemplarily, the lead wire 32 corresponding to the heating conductive block 312 is electrically connected to the first binding portion 41. The first binding portion 41 and the second binding portion 42 are located on the same side of the display area 101.

[0089] In other embodiments, the first binding portion 41 and the second binding portion 42 may be located on opposite sides of the display area 101. The first binding portion 41 and the second binding portion 42 may be connected to the lead 32 by a cross-line connection, a via connection, or other connection methods which are not limited here and are selected according to actual needs.

[0090] In the display stage, the first binding portion 41 and the common electrode layer 20 are connected to a common voltage signal, and the common electrode layer 20 is used to generate an electric field to control the deflection of the liquid crystal 300 .

[0091] In the heating stage, the first binding portion 41 is connected to a high level signal, the common electrode layer 20 is connected to a low level signal, and the heating conductive block 312 and the common electrode layer 20 are used to heat the liquid crystal 300 .

[0092] In the temperature sensing stage, one of the first binding part 41 and the second binding part 42 is connected to a high level signal, and the other is connected to a low level signal, and the temperature sensing conductive block 311 is used to sense the temperature of the display panel 400 .

[0093] In other specific embodiments, Figure 3As shown, the color film substrate 100 further includes a first binding portion 41, a second binding portion 42 and a third binding portion 43, and the first binding portion 41, the second binding portion 42 and the third binding portion 43 are all located in the frame area 102. The lead 32 corresponding to the heating conductive block 312 is electrically connected to the third binding portion 43. The heating stage and the display stage are performed in time division.

[0094] Specifically, the heating stage and the temperature sensing stage can be performed in different time periods, or the heating stage and the temperature sensing stage can be performed at the same time. The display stage and the temperature sensing stage can be performed in different time periods, or the display stage and the temperature sensing stage can be performed at the same time.

[0095] In the display stage, the third binding portion 43 and the common electrode layer 20 are connected to a common voltage signal, and the common electrode layer 20 is used to generate an electric field to control the deflection of the liquid crystal 300 .

[0096] In the heating stage, one of the third binding portion 43 and the common electrode layer 20 is connected to a high level signal, and the other is connected to a low level signal, and the heating conductive block 312 and the common electrode layer 20 are used to heat the liquid crystal 300 .

[0097] In the temperature sensing stage, one of the first binding part 41 and the second binding part 42 is connected to a high level signal, and the other is connected to a low level signal, and the temperature sensing conductive block 311 is used to sense the temperature of the display panel 400 .

[0098] In other embodiments, the temperature sensing conductive block 311 is connected to a lead 32, the temperature sensing element is a capacitive temperature sensing element, and the heating conductive block 312 is connected to a lead 32. The lead 32 corresponding to the temperature sensing conductive block 311 and the lead 32 corresponding to the heating conductive block 312 can be connected to the same binding part or to different binding parts, which will not be described in detail here and can be selected according to actual needs.

[0099] It should be noted that the first binding part 41, the second binding part 42 and the third binding part 43 in the embodiment of the present application are all binding parts, and only "first", "second" and "third" are used to distinguish different binding parts.

[0100] See also Figures 1 to 5 , Figure 4 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, Figure 5 1 is a schematic diagram of a top view of the structure of a fourth embodiment of a color filter substrate provided in an embodiment of the present application.

[0101] In some other embodiments, the conductive block 31 that is time-division multiplexed as a temperature sensing element and a heating electrode is defined as a first multifunctional conductive block 313 , and there is at least one first multifunctional conductive block 313 .

[0102] Each first multifunctional conductive block 313 is connected to two lead wires 32 .

[0103] Exemplarily, the first multifunctional conductive block 313 is electrically connected to the common electrode layer 20 , so that both the first multifunctional conductive block 313 and the common electrode layer 20 can be reused as heating electrodes.

[0104] In some embodiments, among the multiple independent conductive blocks 31, some conductive blocks 31 are first multifunctional conductive blocks 313, and another part of the conductive blocks 31 are temperature-sensitive conductive blocks 311, and each temperature-sensitive conductive block 311 is connected to two leads 32. The color film substrate 100 has a display stage, a temperature-sensing stage, and a heating stage.

[0105] In the heating stage, the first multifunctional conductive block 313 and the common electrode layer 20 are both reused as heating electrodes.

[0106] In the temperature sensing stage, the first multifunctional conductive block 313 is multiplexed as a temperature sensing element, that is, all conductive blocks 31 are temperature sensing elements, and the temperature of the entire display panel 400 can be uniformly monitored.

[0107] In the display stage, the first multifunctional conductive block 313 does not work, and the common electrode layer 20 generates an electric field to control the deflection of the liquid crystal 300.

[0108] In some specific embodiments, Figure 4 As shown, the color film substrate 100 also includes a first binding portion 41 and a second binding portion 42, both of which are located in the frame area 102. One of the two leads 32 corresponding to the temperature-sensitive conductive block 311 is electrically connected to the first binding portion 41, and the other is electrically connected to the second binding portion 42. Among them, one of the two leads 32 corresponding to the first multifunctional conductive block 313 is electrically connected to the first binding portion 41, and the other is electrically connected to the second binding portion 42. The display stage, heating stage and temperature sensing stage are performed in time.

[0109] Specifically, in the display stage, the first binding portion 41 , the second binding portion 42 and the common electrode layer 20 are all connected to a common voltage signal, and the common electrode layer 20 is used to generate an electric field to control the deflection of the liquid crystal 300 .

[0110] In the heating stage, the first binding part 41 and the second binding part 42 are connected to a high level signal, the common electrode layer 20 is connected to a low level signal, and the common electrode layer 20 and the first functional conductive block 31 heat the liquid crystal 300 .

[0111] In the temperature sensing stage, one of the first binding part 41 and the second binding part 42 is connected to a high level signal, the other is connected to a low level signal, and the common electrode layer 20 is connected to a low level signal. The first functional conductive block 31 and the temperature sensing conductive block 311 are both used to sense the temperature of the display panel 400.

[0112] In other specific embodiments, Figure 5As shown, the color film substrate 100 further includes a first binding portion 41, a second binding portion 42 and a third binding portion 43, and the first binding portion 41, the second binding portion 42 and the third binding portion 43 are all located in the frame area 102. One of the two leads 32 corresponding to the first multifunctional conductive block 313 is electrically connected to one of the first binding portion 41 and the second binding portion 42, and the other is electrically connected to the third binding portion 43. The display stage and the heating stage are performed in time division, and the temperature sensing stage and the heating stage are performed in time division.

[0113] Exemplarily, one of the two leads 32 corresponding to the first multifunctional conductive block 313 is electrically connected to the first binding portion 41 , and the other is electrically connected to the third binding portion 43 .

[0114] Specifically, in the display stage, the first binding portion 41 , the third binding portion 43 and the common electrode layer 20 are all connected to a common voltage signal, and the common electrode layer 20 is used to generate an electric field to control the deflection of the liquid crystal 300 .

[0115] In the heating stage, the first binding part 41 and the third binding part 43 are connected to a high level signal, the common electrode layer 20 is connected to a low level signal, and the common electrode layer 20 and the first functional conductive block 31 heat the liquid crystal 300 .

[0116] In the temperature sensing stage, one of the first binding part 41 and the second binding part 42 receives a high level signal, the other receives a low level signal, and the common electrode layer 20 receives a low level signal. The first functional conductive block 31 and the temperature sensing conductive block 311 sense the temperature of the display panel 400.

[0117] In other embodiments, all the conductive blocks 31 may be first functional conductive blocks 31 .

[0118] See also Figures 1 to 7 , Figure 6 is a schematic diagram of a top view of the structure of a fifth embodiment of a color film substrate provided in an embodiment of the present application, Figure 7 It is a schematic diagram of the longitudinal cross-sectional structure of another embodiment of the color filter substrate provided in an embodiment of the present application.

[0119] In other embodiments, at least one conductive block 31 is used as a temperature sensing element, and the conductive block 31 is used as a touch electrode, and the common electrode layer 20 is electrically connected to at least one lead 32 to be reused as a heating electrode.

[0120] The conductive block 31 multiplexed as a temperature sensing element and a touch electrode is defined as a second multifunctional conductive block 314, and there is at least one second multifunctional conductive block 314. Each conductive block 31 is electrically connected to a lead 32. The color film substrate 100 has a display stage, a touch stage, a heating stage, and a temperature sensing stage.

[0121] Exemplarily, the conductive blocks 31 are all second multifunctional conductive blocks 314 .

[0122] In some specific embodiments, Figure 6 As shown, the color film substrate 100 includes a first binding portion 41, and the leads 32 are all electrically connected to the first binding portion 41. The display stage, heating stage, touch stage and temperature sensing stage are performed in different time periods.

[0123] In the display stage, the first binding portion 41 and the common electrode layer 20 are both connected to a common voltage signal, and the common electrode layer 20 is used to generate an electric field to control the deflection of the liquid crystal 300 .

[0124] In the heating stage, the first binding portion 41 is connected to a high-level signal, the common electrode layer 20 is connected to a low-level signal, and the common electrode layer 20 heats the liquid crystal 300 .

[0125] In the touch control stage, the first binding part 41 applies an excitation signal to the lead 32 and detects the capacitance change to detect the touch position. The second multifunctional conductive block 314 is multiplexed as a touch control electrode, which is a capacitive touch control electrode.

[0126] In the temperature sensing stage, as the temperature changes, the dielectric constant of the dielectric layer between the thermosensitive conductive layer 30 and the common electrode layer 20 changes, thereby causing the capacitance between the conductive block 31 and the common electrode layer 20 to change, and the temperature of the display panel 400 is detected by monitoring the capacitance. The second multifunctional conductive block 314 is multiplexed as a temperature sensing element, which is a capacitive temperature sensing element.

[0127] In other embodiments, part of the conductive block 31 is a temperature-sensitive conductive block 311 , and part of the conductive block 31 is a second multifunctional conductive block 314 .

[0128] See also Figures 1 to 8 , Figure 8 It is a schematic diagram of the top structure of the sixth embodiment of the color filter substrate provided in the embodiments of the present application.

[0129] In other specific embodiments, Figure 8 As shown, the color film substrate 100 includes a first binding portion 41 and a second binding portion 42. The leads 32 corresponding to the conductive blocks 31 are electrically connected to the first binding portion 41, and the leads 32 electrically connected to the common electrode layer 20 are electrically connected to the second binding portion 42. The display stage and the heating stage are performed in time division, and the touch stage and the temperature sensing stage are performed in time division.

[0130] In some embodiments, the display stage, heating stage, touch stage and temperature sensing stage are performed in time-sharing; or, the display stage and touch stage are performed simultaneously, and the display stage, temperature sensing stage and heating stage are performed in time-sharing; or, the display stage and temperature sensing stage are performed simultaneously, and the display stage, touch stage and heating stage are performed in time-sharing; or, the heating stage and touch stage are performed simultaneously, and the display stage, temperature sensing stage and heating stage are performed in time-sharing; or, the heating stage and temperature sensing stage are performed simultaneously, and the display stage, touch stage and heating stage are performed in time-sharing.

[0131] In the display stage, the second binding portion 42 and the common electrode layer 20 are connected to a common voltage signal, and the common electrode layer 20 is used to generate an electric field to control the deflection of the liquid crystal 300 .

[0132] In the heating stage, the second binding portion 42 is connected to a high-level signal, the common electrode layer 20 is connected to a low-level signal, and the common electrode layer 20 heats the liquid crystal 300 .

[0133] In the touch control stage, the first binding part 41 applies an excitation signal to the lead 32 and detects the capacitance change to detect the touch position. The second multifunctional conductive block 314 is multiplexed as a touch control electrode, which is a capacitive touch control electrode.

[0134] In the temperature sensing stage, as the temperature changes, the dielectric constant of the dielectric layer between the thermosensitive conductive layer 30 and the common electrode layer 20 changes, thereby causing the capacitance between the conductive block 31 and the common electrode layer 20 to change, and the temperature of the display panel 400 is detected by monitoring the capacitance. The second multifunctional conductive block 314 is multiplexed as a temperature sensing element, which is a capacitive temperature sensing element.

[0135] In some embodiments, an insulating layer 80 is filled between the conductive blocks 31 . The insulating layer 80 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 .

[0136] In some embodiments, the color filter substrate 100 further includes a filter layer 60, which is located between the thermosensitive conductive layer 30 and the common electrode layer 20, that is, the filter layer 60 serves as a dielectric layer between the thermosensitive conductive layer 30 and the common electrode layer 20. The color filter substrate 100 further includes a conductive hole 70, and the conductive block 31 is electrically connected to the common electrode layer 20 through at least one conductive hole 70, or the lead 32 is electrically connected to the common electrode layer 20 through the conductive hole 70.

[0137] 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.

[0138] Exemplarily, the conductive blocks 31 are electrically connected to the common electrode layer 20 through a plurality of conductive holes 70 , so as to improve good electrical connection between the conductive blocks 31 and the common electrode layer 20 .

[0139] There is no limitation on the conductive material filled in the conductive hole 70, and it can be selected according to actual needs. The conductive material in the conductive hole 70 is light-transmissive.

[0140] The conductive hole 70 connected to the lead 32 is located between two conductive blocks 31 that are at least partially diagonally adjacent. The number and arrangement of the conductive holes 70 are not limited here and can be selected according to actual needs.

[0141] See also Figures 1 to 9 , Fig. 9 It is a schematic structural diagram of an embodiment of a display panel provided in an embodiment of the present application.

[0142] 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.

[0143] 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.

[0144] The common electrode layer 20 is located on a side of the substrate 10 close to the array substrate 200 .

[0145] See also Figures 1 to 11 , Fig.10 is a schematic structural diagram of an embodiment of a display device provided in an embodiment of the present application, Fig.11 It is a structural schematic diagram of another embodiment of the display device provided in the embodiment of the present application.

[0146] The embodiment of the present application provides a display device 700. The display device 700 includes the display panel 400 described above.

[0147] In some embodiments, the display panel 400 further includes a control module 500 . The control module 500 is electrically connected to the lead 32 in the color filter substrate 100 .

[0148] Exemplarily, the control module 500 is connected to the binding portion. The control module 500 is used to control the operation of the conductive block 31 .

[0149] In different stages, the control module 500 controls the conductive block 31 to implement different operations. Please refer to the above description for details, which will not be repeated here.

[0150] 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 .

[0151] 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 various functions of the display panel 400. The description of the control module 500 is referred to the above description and will not be repeated here. The control module 500 can be set independently of the display panel 400, or can be integrated into 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 (see Fig.11 ).

[0152] 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.

[0153] 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; The color film substrate further comprises a thermosensitive conductive layer located between the substrate and the common electrode layer; the thermosensitive conductive layer is used to form a plurality of leads and a plurality of mutually independent conductive blocks; each of the conductive blocks is connected to at least one of the leads; At least one of the conductive blocks is used as a temperature sensing element; At least one of the conductive blocks is electrically connected to the common electrode layer to serve as a heating electrode; or, the conductive block serves as a touch electrode, and the common electrode layer is electrically connected to at least one of the leads to serve as a heating electrode.

2. The color film substrate according to claim 1, characterized in that: The color film substrate has a display area and a frame area, the thermosensitive conductive layer is light-transmissive, and the conductive block is located in the display area.

3. The color film substrate according to claim 2, characterized in that: Each of the conductive blocks has a single function; The conductive blocks used as temperature sensing elements are defined as temperature sensing conductive blocks, and each of the temperature sensing conductive blocks is connected to at least one of the lead wires; The conductive blocks electrically connected to the common electrode layer to serve as heating electrodes are defined as heating conductive blocks, and each of the heating conductive blocks is connected to one of the lead wires.

4. The color film substrate according to claim 3, characterized in that: The color film substrate further includes a first binding portion and a second binding portion, both of which are located in the frame area; the temperature-sensitive conductive block is arranged corresponding to the two leads, one of the two leads is electrically connected to the first binding portion, and the other is electrically connected to the second binding portion; the color film substrate has a display stage, a temperature sensing stage and a heating stage; in, The lead corresponding to the heating conductive block is electrically connected to one of the first binding part and the second binding part; the display stage, the heating stage and the temperature sensing stage are performed in different time periods; or, The color filter substrate further comprises a third binding portion located in the frame area; the lead corresponding to the heating conductive block is electrically connected to the third binding portion; and the heating stage and the display stage are performed in a time-sharing manner.

5. The color film substrate according to claim 2, characterized in that: The conductive block that is time-division multiplexed as the temperature sensing element and the heating electrode is defined as a first multifunctional conductive block, and there is at least one first multifunctional conductive block; Each of the first multifunctional conductive blocks is connected to two of the lead wires.

6. The color film substrate according to claim 5, characterized in that: Among the multiple independent conductive blocks, a part of the conductive blocks are the first multifunctional conductive blocks, and another part of the conductive blocks are temperature-sensitive conductive blocks, and each temperature-sensitive conductive block is connected to two lead wires; the color film substrate has a display stage, a temperature-sensing stage and a heating stage; The color filter substrate further includes a first binding portion and a second binding portion, both of which are located in the frame area; one of the two leads corresponding to the temperature-sensitive conductive block is electrically connected to the first binding portion, and the other is electrically connected to the second binding portion; in, One of the two leads corresponding to the first multifunctional conductive block is electrically connected to the first binding portion, and the other is electrically connected to the second binding portion; the display stage, the heating stage and the temperature sensing stage are performed in different time periods; or, The color film substrate also includes a third binding part located in the border area; one of the two leads corresponding to the first multifunctional conductive block is electrically connected to one of the first binding part and the second binding part, and the other is electrically connected to the third binding part; the display stage and the heating stage are performed in time sharing, and the temperature sensing stage and the heating stage are performed in time sharing.

7. The color film substrate according to claim 2, characterized in that: The conductive block that is time-division multiplexed as the temperature sensing element and the touch electrode is defined as a second multifunctional conductive block, and there is at least one second multifunctional conductive block; each of the conductive blocks is electrically connected to one of the leads; the color film substrate has a display stage, a touch stage, a heating stage, and a temperature sensing stage; The color film substrate includes a first binding portion located in the frame area, the leads are electrically connected to the first binding portion, and the display stage, the heating stage, the touch stage and the temperature sensing stage are performed in different time periods; or, The color film substrate includes the first binding part and the second binding part, and the first binding part and the second binding part are both located in the border area; the leads corresponding to the conductive blocks are electrically connected to the first binding part, and the leads electrically connected to the common electrode layer are electrically connected to the second binding part; the display stage and the heating stage are performed in time, and the touch stage and the temperature sensing stage are performed in time.

8. The color film substrate according to claim 1, characterized in that: The color filter substrate also includes a filter layer, which is located between the thermosensitive conductive layer and the common electrode layer; the color filter substrate also includes a conductive hole, and the conductive block is electrically connected to the common electrode layer through at least one of the conductive holes, or the lead is electrically connected to the common electrode layer through the conductive hole.

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 leads in the color film substrate.

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