CN110967857B

CN110967857B - Liquid crystal display panel

Info

Publication number: CN110967857B
Application number: CN201911294881.1A
Authority: CN
Inventors: 张启沛
Original assignee: Wuhan China Star Optoelectronics Technology Co Ltd
Current assignee: Wuhan China Star Optoelectronics Technology Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2022-05-31
Anticipated expiration: 2039-12-16
Also published as: CN110967857A

Abstract

The application discloses liquid crystal display panel has non-display area and surrounds the display area in non-display area, and liquid crystal display panel includes: the color film substrate comprises a first substrate and a plurality of color resist blocks arranged on the first substrate; the array substrate comprises a second substrate and a plurality of touch signal lines arranged on the second substrate; the non-display area comprises a first area and a second area which are complementary, the first area is an orthographic projection area of the plurality of color-resisting blocks on the array substrate, and the second area is an area outside the first area in the non-display area; in the area corresponding to the non-display area, the orthographic projection of the touch signal line on the array substrate falls into the second area, namely, the touch signal line does not fall into the orthographic projection of the color block on the array substrate.

Description

Liquid crystal display panel

Technical Field

The application relates to the technical field of touch display, in particular to a liquid crystal display panel.

Background

A liquid crystal display is one of the most widely used flat panel displays, and has gradually become a display having a high resolution color screen widely used in various electronic devices such as a mobile phone, a Personal Digital Assistant (PDA), a digital camera, a computer screen, or a notebook computer screen. With the development and progress of the liquid crystal display technology, people put forward higher requirements on the display quality, appearance design, human-computer interface and the like of the liquid crystal display, and the touch technology becomes a hot point of technical development due to the characteristics of convenient operation, high integration and the like.

Touch Panel Technology (Touch Panel Technology) has been developed rapidly in recent years, and various Touch technologies are now put into mass production. In the existing Touch screen technology, according to the position difference of a Touch sensor (Touch sensor), three modes of an external-hanging type extraction empty module (Out-cell), an On-cell type In which a Touch electrode covers a liquid crystal box and an In-cell type In which the Touch electrode is embedded In the liquid crystal box can be divided, wherein the In-cell is a method for embedding the Touch panel function into a liquid crystal pixel, so that the thickness of the whole Touch screen is further reduced, the Touch screen can be manufactured together with a liquid crystal display panel (LCD), no additional manufacturing process is needed, and the visibility of the Touch screen In outdoor and other bright environments is not influenced. Therefore, research into integrating a touch panel function with a liquid crystal display panel (In-cell) is increasingly being conducted.

The overall screen market in the market in recent two years develops rapidly, the Liuhai screen and the water drop screen are taken as representatives, the Liuhai screen and the water drop screen gradually occupy the mainstream of the market, and the main characteristic is that a higher screen occupation ratio is pursued. At present, sounds with higher screen occupation ratio exist in the market, although no real products are on the market, all families have already developed, the development idea please refer to fig. 1, a hole is dug on a display area 200 to form a non-display area 100, a front camera is placed in the non-display area 100, the development idea enlarges an effective display area, and the screen occupation ratio of the display area is improved; in addition, since the size of the non-display area 100 can be reduced, the total size of the display area 200 is effectively reduced, which facilitates the user to hold and improves the user experience. There are two development ideas, one is through hole design, the other is blind hole design, please refer to fig. 2, FIG. 2 is a schematic diagram of a prior art structure for forming blind holes on a liquid crystal display panel, which includes a backlight assembly 01, a lower polarizer 02, a first substrate 03, a liquid crystal layer 04, a second substrate 05, an upper polarizer 06, a color filter layer 07, and a second substrate 08, a blind hole is formed in the display area 200 of the liquid crystal display panel to form a non-display area 100, the non-display area 100 is designed to avoid the area of the non-display area 100 by a scan line (Gate), a Data line (Data), a touch line (TP trace), etc., so that the non-display area 100 forms a static area without related traces, the liquid crystal display panel is provided with a camera 09 below the non-display area 100 for imaging, the non-display area 100 must not have any wires and other designs for blocking light.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a liquid crystal display panel in the prior art. As shown in fig. 3, the liquid crystal display panel has a non-display area 100 and a display area 200 surrounding the non-display area 100, and includes: the color film substrate 10 and the array substrate 20 are arranged oppositely, and the spacer 30 is arranged between the color film substrate 10 and the array substrate 20.

As shown in fig. 3, the color film substrate 10 includes a first substrate 101, a black matrix 102 sequentially disposed on the first substrate 101, a plurality of color blocking blocks 103 disposed on the black matrix 102, and a flat layer 104, where the flat layer 104 is disposed on the plurality of color blocking blocks 103 and covers the plurality of color blocking blocks 103 and the black matrix 102, the spacer 30 is disposed on the flat layer 104, the spacer 30 includes a plurality of groups of main spacers 301 and auxiliary spacers 302, a height of the main spacers 301 is greater than a height of the auxiliary spacers 302, and a height of the main spacers 301 is equal to a box thickness.

As shown in fig. 3, the array substrate 20 includes a second substrate 201, a light-shielding layer 202 sequentially disposed on the second substrate 201, a buffer layer 203 disposed on the light-shielding layer 202 and covering the second substrate 201 and the light-shielding layer 202, a plurality of thin film transistors 204 disposed on the buffer layer 203, a second planarization layer 205 covering the plurality of thin film transistors 204, a touch signal line 206 disposed on the second planarization layer 205, a dielectric layer 207 disposed on the touch signal line 206 and covering the second planarization layer 205 and the touch signal line 206, a common electrode layer 208 disposed on the dielectric layer 207, a passivation layer 209 disposed on the common electrode layer 208 and covering the dielectric layer 207 and the common electrode layer 208, and a pixel electrode layer 210 disposed on the passivation layer 209, wherein the pixel electrode layer 210 is electrically connected to the thin film transistor 204.

As shown in fig. 3, the non-display area 100 includes a first area 110 and a second area 120 that are complementary to each other, the first area 110 is defined as an orthographic projection area of the color block 103 on the array substrate 20, and the second area 120 is defined as: in the non-display area 100, except for the first area 110, that is, in the area corresponding to the second area 120, the color filter substrate 10 is not provided with the color resist block 103. Also, the main spacer 301 falls into the first zone 110, and the main spacer 301 does not fall into the second zone 120. And a distance between the planarization layer 104 and the first substrate 101 in the first region 110 is greater than a distance between the planarization layer 104 and the first substrate 101 in the second region 120.

As shown in fig. 3, in the area of the array substrate 20 corresponding to the non-display area 100, the touch signal line 206 falls into the orthographic projection of the color resist block 103 on the array substrate 20, that is, the touch signal line 206 falls into the first area 110, and the touch signal line 206 does not fall into the second area 120.

Therefore, the touch signal line 206 corresponds to the color resist block 103 of the color filter substrate 10 in the first region 110. Since the thickness of the dielectric layer 205 and the passivation layer 207 above the touch signal line 206 is relatively thin, when the liquid crystal display panel is squeezed or deformed by an external force, the main spacer 301 scratches the touch signal line 206, thereby causing a risk of poor touch or display.

Disclosure of Invention

The embodiment of the application provides a liquid crystal display panel, wherein a non-display area is divided into a first area and a second area which are complementary in the corresponding non-display area, the first area is an orthographic projection area of a color resist block of a color film substrate on an array substrate, the second area is an area outside the first area in the non-display area, and only touch signal lines fall into the second area, so that the liquid crystal display panel is prevented from being damaged by the extrusion of a spacer, the reliability of the touch signal lines is improved, and poor touch caused by the breakage of the touch signal lines is avoided.

The embodiment of the application provides a liquid crystal display panel, have non-display area and surround the display area in non-display area, liquid crystal display panel includes: the color film substrate comprises a first substrate and a plurality of color resistance blocks arranged on the first substrate; the array substrate is arranged opposite to the color film substrate and comprises a second substrate and a plurality of touch signal lines arranged on the second substrate; the non-display area comprises a first area and a second area which are complementary, the first area is an orthographic projection area of the color resistance block on the array substrate, and the second area is an area outside the first area in the non-display area; in the area of the array substrate corresponding to the non-display area, the orthographic projection of the touch signal line on the array substrate falls into the second area.

In some embodiments, the color filter substrate further includes: the black matrix is arranged on the first substrate base plate, and the plurality of color blocking blocks are arranged on the black matrix; and the flat layer is arranged on the plurality of color blocking blocks and covers the plurality of color blocking blocks and the flat layer of the black matrix.

In some embodiments, the color film substrate further comprises at least one main spacer and at least one auxiliary spacer which are arranged on the flat layer, and the height of the main spacer is greater than that of the auxiliary spacer.

In some embodiments, the primary spacer is disposed within the first zone.

In some embodiments, a distance between the planarization layer and the first substrate in the first region is greater than a distance between the planarization layer and the first substrate in the second region in a region corresponding to the non-display region.

In some embodiments, the array substrate further includes a plurality of thin film transistors disposed on the second substrate, a second flat layer covering the plurality of thin film transistors, the touch signal line disposed on the second flat layer, and a dielectric layer disposed on the touch signal line and covering the touch signal line and the second flat layer.

In some embodiments, the array substrate further includes a common electrode layer disposed on the dielectric layer, a passivation layer disposed on the common electrode layer and covering the common electrode layer and the dielectric layer, and a pixel electrode layer disposed on the passivation layer, wherein the pixel electrode layer includes a plurality of pixel electrodes, and the pixel electrodes are electrically connected to the thin film transistors through first via holes.

In some embodiments, the array substrate further includes a light-shielding layer disposed on the second substrate, and a buffer layer disposed on the light-shielding layer and covering the light-shielding layer and the second substrate, the thin film transistor being disposed on the buffer layer.

In some embodiments, the thin film transistor includes an active layer, a gate insulating layer, a gate layer, an interlayer dielectric layer, and a source drain layer, which are stacked, and an orthographic projection of the light shielding layer on the array substrate covers an orthographic projection of the gate layer on the array substrate.

In some embodiments, the array substrate further includes a scan line disposed in a first direction on a same layer as the gate layer, and a data line disposed in a second direction on a same layer as the source/drain layer, and the touch signal line includes a first direction touch signal line disposed in parallel with the scan line, and a second direction touch signal line disposed in parallel with the data line.

In some embodiments, the common electrode layer includes a plurality of common electrode plates, and the common electrode plates are electrically connected to the touch signal lines through second via holes.

In the liquid crystal display panel provided in the embodiment of the application, in a non-display area corresponding to the liquid crystal display panel, the non-display area is divided into a first area and a second area which are complementary to each other, the first area is defined as an orthographic projection area of a color resist block of a color film substrate on an array substrate, the second area is an area outside the first area in the non-display area, and only the orthographic projection of the touch signal line on the array substrate falls into the second area, namely, in the area of the array substrate corresponding to the non-display area, the touch signal line does not fall into the orthographic projection of the color resistance block on the array substrate, thereby avoiding the touch signal lines from being damaged by the spacer of the color film substrate when the liquid crystal display panel is extruded and deformed, therefore, the reliability of the touch signal lines of the array substrate is improved, and poor touch caused by breakage of the touch signal lines in the non-display area is avoided. In addition, the touch signal line does not fall into the orthographic projection of the color resistor block on the array substrate, and is suitable for frame design of the Hole in the non-display area of the liquid crystal display panel but also suitable for frame design in the display area of the liquid crystal display panel.

Drawings

The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.

Fig. 1 is a prior art hole cutting design within a display area.

Fig. 2 is a schematic structural diagram of a liquid crystal display panel with blind holes in the prior art.

Fig. 3 is a schematic structural diagram of a liquid crystal display panel in the prior art.

FIG. 4 is a schematic structural diagram of a liquid crystal display panel according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. To simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

Specifically, referring to fig. 4, fig. 4 is a schematic structural diagram of a liquid crystal display panel according to the present invention. In the present embodiment, a liquid crystal display panel is provided, as shown in fig. 4, the liquid crystal display panel has a non-display area 10 and a display area 20 disposed around the non-display area 10, the non-display area 10 is a blind hole design, and a camera is disposed below the non-display area 10. The liquid crystal display panel comprises a color film substrate 1, an array substrate 2 and a liquid crystal layer (not numbered) arranged between the color film substrate 1 and the array substrate 2, wherein the color film substrate and the array substrate are arranged oppositely.

As shown in fig. 4, the color filter substrate 1 includes a first substrate 11, a black matrix 12 disposed on the first substrate 11, a plurality of color resist blocks 13 disposed on the black matrix 12, and a planarization layer 14, where the planarization layer 14 is disposed on the plurality of color resist blocks 13 and covers the plurality of color resist blocks 13 and the black matrix 12, and the color filter substrate 1 further includes a plurality of spacers 15 disposed on the planarization layer 14, and the spacers 15 extend from the surface of the planarization layer 14 to the array substrate 2; and in the area corresponding to the non-display area 10 and the display area 20, the array substrate 2 includes a second substrate 21 and a plurality of touch signal lines 27 disposed on the second substrate 21.

As shown in fig. 4, the non-display area 10 includes a first area 101 and a second area 102. In this embodiment, the first region 101 is defined as: in the area corresponding to the non-display area 10, the plurality of color resist blocks 13 are in an orthographic projection area on the array substrate 2. In this embodiment, the second region 102 is defined as a region outside the first region 101 in the region of the non-display region 10, that is, the second region 102 is: in the area corresponding to the non-display area 10, the orthographic projection of the color filter substrate 1 on the array substrate 2 does not include the projection area of the color resist block 13, that is, in the area corresponding to the second area 102, the color filter substrate 1 is not provided with the color resist block 13.

As shown in fig. 4, in the area of the array substrate 2 corresponding to the non-display area 10, the orthographic projection of the touch signal line 27 on the array substrate 2 falls into the second area 102, and the touch signal line 27 does not fall into the first area 101, that is, in the area of the array substrate 2 corresponding to the non-display area 10, the touch signal line 27 does not fall into the orthographic projection of the color resist 13 on the array substrate 2.

As shown in fig. 4, in the first region 101, the spacers 15 of the color filter substrate 1 include a plurality of main spacers 151 and a plurality of auxiliary spacers 152, the main spacers 151 and the auxiliary spacers 152 both extend from the surface of the planarization layer 14 to the array substrate 2, the main spacers 151 and the auxiliary spacers 152 are both columnar, the height of the main spacers 151 is greater than that of the auxiliary spacers 152, and the height of the main spacers 151 is equal to the box thickness. In a preferred embodiment, the auxiliary spacer 152 is further disposed in the second region 102.

In this embodiment, the spacer 15 is disposed between the color film substrate 1 and the array substrate 2, because the volume of the liquid crystal molecules in the liquid crystal layer shrinks or expands with the temperature change, and the liquid crystal display panel of the present invention is a vacuum sealed structure, which easily causes vacuum bubbles in a low temperature state or gravity defect in a high temperature state, so that the thickness of the liquid crystal layer is not uniform, and the spacer 15 is disposed to support and maintain the distance between the color film substrate 1 and the array substrate 2, so as to avoid the defects of light leakage, inconsistent image quality, and the like caused by the dislocation between the color film substrate 1 and the array substrate 2 or the failure of the gap to recover in time when an external force is applied.

In the present embodiment, in the region corresponding to the non-display region 10, the distance between the planarization layer 14 and the first substrate 11 in the first region 101 is greater than the distance between the planarization layer 14 and the first substrate 11 in the second region 102; specifically, in the area corresponding to the first region 101, the planarization layer 14 is disposed on the color block 13 and covers the color block 13, and the color block 13 includes a red block 131, a green block 132, and a blue block 133; in the area corresponding to the second region 102, the color block 13 is not arranged in the flat layer 14; furthermore, the touch signal lines 27 are completely staggered from the color resist blocks 13 of the color filter substrate 1. In addition, since the flat layer 14 of the color filter substrate 1 has a height difference between the position including the color resist block 13 and the position not including the color resist block 13 of the flat layer 14, that is, since the distance between the flat layer 14 and the first substrate 11 in the first region 101 is greater than the distance between the flat layer 14 and the first substrate 11 in the second region 102 in the region corresponding to the non-display region 10, the auxiliary spacer 152 is opposite to and does not contact the touch signal line 27, so that damage to the touch signal line 27 when the touch signal line 27 is deformed by an external force in the non-display region 10 can be reduced or avoided, and the reliability of the touch signal line 27 can be improved.

As shown in fig. 4, the array substrate 2 further includes a plurality of thin film transistors 3 disposed on the second substrate 21 in a region corresponding to the display region 20, and the structure of the plurality of thin film transistors 3 is a conventional structure known to those skilled in the art. For example, in the present embodiment, the thin film transistor 3 includes an active layer 31, a gate insulating layer 24, a gate layer 32, an interlayer dielectric layer 25 and a source drain layer 33, wherein the active layer 31 is stacked on the active layer 31 and covers the active layer 31, the gate layer 32 is disposed on the gate insulating layer 24, the interlayer dielectric layer 25 is disposed on the gate layer 32 and covers the gate insulating layer 24 and the gate layer 32, and the source drain layer 33 is disposed on the interlayer dielectric layer 25, and the source drain layer 33 is electrically connected to the active layer 31 through a via hole. As a preferred embodiment, the active layer 31 is an N-type channel region.

As shown in fig. 4, the array substrate 2 further includes a plurality of insulating layers or functional layers in regions corresponding to the non-display region 10 and the display region 20, the insulating layers or functional layers having a conventional structure known to those skilled in the art.

For example, in the present embodiment, the array substrate 2 further includes a second planarization layer 26 disposed on the plurality of thin film transistors 3 and covering the entire surface of the plurality of thin film transistors 3, the touch signal line 27 is disposed on the second planarization layer 26, and a dielectric layer 28 disposed on the touch signal line 27 and covering the touch signal line 27 and the second planarization layer 26.

For example, in this embodiment, the array substrate 2 further includes a common electrode layer 29 disposed on the dielectric layer 28, a passivation layer 30 disposed on the common electrode layer 29 and covering the common electrode layer 29 and the dielectric layer 28, and a pixel electrode layer 31 disposed on the passivation layer 30, where the pixel electrode layer 31 includes a plurality of patterned pixel electrodes, and the pixel electrode layer 31 is electrically connected to the source drain layer 33 of the thin film transistor 3 through a first via hole (not numbered).

It should be noted that, in this embodiment, the common electrode layer 29 includes a plurality of mutually independent common electrode plates 291, the touch signal line 27 is electrically connected to the common electrode plates 291 through a second via (not shown), the common electrode plates 291 are touch electrodes of the touch signal line 27, and the common electrode layer 29 is a self-capacitance electrode.

In other embodiments, the touch electrode of the touch signal line 27 may also be served by only the pixel electrode layer 31, or jointly by the common electrode layer 29 and the pixel electrode layer 31, which is not limited herein.

In this embodiment, the common electrode layer 29 and the pixel electrode layer 31 are made of indium tin oxide (transparent ITO).

As shown in fig. 4, in an area corresponding to the display area 20, the array substrate 2 further includes a light-shielding layer 22 and a buffer layer 23, the light-shielding layer 22 is disposed on the second substrate 21, the buffer layer 23 is disposed on the light-shielding layer 22 and covers the light-shielding layer 22 and the second substrate 21, the plurality of thin film transistors 3 are disposed on the buffer layer 23, in this embodiment, an orthographic projection of the light-shielding layer 22 on the array substrate 2 overlaps an orthographic projection of the thin film transistors 3, specifically, an orthographic projection area of the light-shielding layer 22 on the array substrate 2 covers an orthographic projection area of the gate layer 32 of the thin film transistors 3 on the array substrate 2.

In this embodiment, the array substrate 2 further includes a scan line that is disposed in the same layer as the gate layer 32 and along a first direction, a data line that is disposed in the same layer as the source/drain layer 33 and along a second direction, the touch signal line 27 includes a first-direction touch signal line (not shown) that is disposed in parallel with the scan line, the touch signal line 27 further includes a second-direction touch signal line (not shown) that is disposed in parallel with the data line, and an orthogonal projection of the touch signal line 27 on the array substrate 2 overlaps with an orthogonal projection of the scan line or the data line, so as to reduce shielding of light and increase an aperture ratio.

As a preferred embodiment, the material of the scan line, the data line and the touch signal line 27 is selected from one of copper, silver and aluminum.

It should be noted that in the area of the non-display area 10, the liquid crystal display panel arranges the touch signal line 27 in the area of the second area 102 of the non-display area 10, that is, in the area of the array substrate 2 corresponding to the non-display area 10, the touch signal line 27 does not fall into the orthographic projection of the color resist block 13 on the array substrate 2, and the distance between the flat layer 14 and the first substrate 11 in the first area 101 is greater than the distance between the flat layer 14 and the first substrate 11 in the second area 102, so that the spacer 15 does not damage the touch signal line 27 due to deformation, and is suitable for being used not only in the non-display area 10 but also in the display area 20, which is not specifically described in this embodiment.

In the liquid crystal display panel provided in the embodiment of the present application, the non-display area 10 corresponding to the liquid crystal display panel is divided into a first area 101 and a second area 102 that are complementary to each other, the first area 101 is defined as an orthographic projection area of the color-resist block 13 of the color film substrate 1 on the array substrate 2, the second area 102 is an area other than the first area 101 in the non-display area 10, and the orthographic projection of the touch signal line 27 on the array substrate 2 falls into the second area 102, that is, in the area of the array substrate 2 corresponding to the non-display area 10, the touch signal line 27 does not fall into the orthographic projection of the color-resist block 13 on the array substrate 2, so as to prevent the spacer 15 of the color film substrate 1 from damaging the touch signal line 27 when the liquid crystal display panel is deformed by extrusion, thereby improving the reliability of the touch signal line 27 of the array substrate 2, the poor touch caused by the breakage of the touch signal line 27 in the non-display area 10 is avoided. In addition, the touch signal line 27 of the present invention does not fall into the orthographic projection of the color resist block 13 on the array substrate 2, and is applicable to, but not limited to, the frame design of Hole in the non-display area 10 of the liquid crystal display panel, and is also applicable to the frame design in the display area 20.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The liquid crystal display panel provided by the embodiment of the present application is described in detail above, and a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the embodiment is only used to help understanding the technical scheme and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims

1. A liquid crystal display panel having a non-display area and a display area surrounding the non-display area, the liquid crystal display panel comprising:

the color film substrate comprises a first substrate and a plurality of color resistance blocks arranged on the first substrate; and the number of the first and second groups,

the array substrate is arranged opposite to the color film substrate and comprises a second substrate and a plurality of touch signal lines arranged on the second substrate; wherein,

the non-display area comprises a first area and a second area which are complementary, the first area is an orthographic projection area of the color resistance block on the array substrate, and the second area is an area outside the first area in the non-display area;

in an area of the array substrate corresponding to the non-display area, the orthographic projection of the touch signal line on the array substrate falls into the second area;

wherein, the color filter substrate further comprises:

the black matrix is arranged on the first substrate base plate, and the plurality of color blocking blocks are arranged on the black matrix;

the flat layer is arranged on the plurality of color blocking blocks and covers the plurality of color blocking blocks and the flat layer of the black matrix; in an area corresponding to the second area, the color resist blocks are not arranged in the flat layer, so that the touch signal lines and the color resist blocks of the color film substrate are completely staggered; and the number of the first and second groups,

the main shock insulator and the auxiliary shock insulator are arranged on the flat layer, and the height of the main shock insulator is larger than that of the auxiliary shock insulator; the main shock insulator is arranged in the first area; the auxiliary shock insulator is arranged in the second area; the auxiliary spacer is opposite to the touch signal line and does not contact with the touch signal line.

2. The liquid crystal display panel according to claim 1, wherein a distance between the planarization layer and the first substrate in the first region is larger than a distance between the planarization layer and the first substrate in the second region in a region corresponding to the non-display region.

3. The liquid crystal display panel according to claim 1, wherein the array substrate further comprises a plurality of thin film transistors disposed on the second substrate, a second flat layer covering the plurality of thin film transistors, the touch signal line being disposed on the second flat layer, and a dielectric layer disposed on the touch signal line and covering the touch signal line and the second flat layer.

4. The liquid crystal display panel of claim 3, wherein the array substrate further comprises a common electrode layer disposed on the dielectric layer, a passivation layer disposed on the common electrode layer and covering the common electrode layer and the dielectric layer, and a pixel electrode layer disposed on the passivation layer, wherein the pixel electrode layer comprises a plurality of pixel electrodes, and the pixel electrodes are electrically connected to the thin film transistors through first vias.

5. The liquid crystal display panel according to claim 3, wherein the array substrate further comprises a light-shielding layer disposed on the second substrate, and a buffer layer disposed on the light-shielding layer and covering the light-shielding layer and the second substrate, the thin film transistor being disposed on the buffer layer.

6. The liquid crystal display panel according to claim 5, wherein the thin film transistor includes an active layer, a gate insulating layer, a gate layer, an interlayer dielectric layer, and a source drain layer, which are stacked, and an orthographic projection of the light shielding layer on the array substrate covers an orthographic projection of the gate layer on the array substrate.

7. The liquid crystal display panel of claim 6, wherein the array substrate further comprises a scan line disposed in a first direction on a same layer as the gate layer, and a data line disposed in a second direction on a same layer as the source/drain layer, and the touch signal line comprises a first direction touch signal line disposed in parallel with the scan line and a second direction touch signal line disposed in parallel with the data line.

8. The liquid crystal display panel according to claim 4, wherein the common electrode layer includes a plurality of common electrode plates, and the common electrode plates are electrically connected to the touch signal lines through second via holes.