CN220232196U - Liquid crystal display panel and display device - Google Patents

Abstract

The application relates to a liquid crystal display panel and a display device. The driving array layer on one side of the array substrate of the liquid crystal display panel comprises a first common electrode wire and an insulating layer positioned on one side of the first common electrode wire, which is far away from the first substrate, wherein the insulating layer and the planarization layer are provided with a plurality of first through holes in a frame glue area so as to expose the first common electrode wire, the array substrate also comprises a shading layer, the shading layer is positioned between the planarization layer and the conducting layer, and the shading layer is provided with a plurality of second through holes which are respectively aligned with the plurality of first through holes in the frame glue area so that the conducting layer is electrically connected with the first common electrode wire through the second through holes and the first through holes; the frame glue area is also provided with a plurality of shading columns positioned on one side of the conducting layer, which is away from the first substrate, one end of each shading column is abutted to the opposite substrate, and the other end of each shading column penetrates through the second through hole and the corresponding first through hole. The light leakage at the position of the through hole can be effectively prevented.

Description

Liquid crystal display panel and display device

Technical Field

The present disclosure relates to the field of display technologies, and in particular, to a liquid crystal display panel and a display device.

Background

In a thin film transistor liquid crystal display panel (Thin Film Transistor Liquid Crystal Display, TFT-LCD for short), a technique of manufacturing a Photo Spacer (PS for short) on an array substrate is called POA (PS on Array) technique, so as to achieve a higher aperture ratio, and the influence of an alignment error between an opposite substrate and the array substrate on product characteristics is also small; and PS can be effectively prevented from sliding into the through holes and the display surface, and the product yield is improved.

Further, the TFT-LCD makes a Black Matrix (BM) layer on the substrate to prevent light leakage or color mixing, and this technique of preparing a Black Matrix on the TFT Array substrate is called BOA (BMOn Array) technique; however, when the BM layer of the BOA array substrate is fabricated, it will cover the openings of the planarization layer, resulting in poor conduction between the peripheral array substrate and the opposite substrate.

Disclosure of Invention

The application aims to provide a liquid crystal display panel and a display device, which can realize normal conduction between a peripheral array substrate and a counter substrate and can effectively prevent light leakage at the position of a through hole.

In a first aspect, an embodiment of the present application provides a liquid crystal display panel, including a display area and a sealant area located at least one side of the display area, where the liquid crystal display panel includes an array substrate and a counter substrate that are disposed opposite to each other, the array substrate includes a first substrate, and a driving array layer, a planarization layer and a conductive layer that are sequentially formed on the first substrate, the driving array layer includes a first common electrode trace and an insulating layer located at a side of the first common electrode trace away from the first substrate, the insulating layer and the planarization layer are formed with a plurality of first vias in the sealant area to expose the first common electrode trace, the array substrate further includes a light shielding layer, the light shielding layer is located between the planarization layer and the conductive layer, and the light shielding layer is provided with a plurality of second vias in the sealant area and aligned with the plurality of first vias, respectively, so that the conductive layer is electrically connected with the first common electrode trace through the second vias and the first vias. The frame glue area is also provided with a plurality of shading columns positioned on one side of the conducting layer, which is away from the first substrate, one end of each shading column is abutted to the opposite substrate, and the other end of each shading column penetrates through the second through hole and the corresponding first through hole.

In one possible embodiment, the light shielding columns and the light shielding layer are both black colloid.

In one possible embodiment, the second via and the first via are each any one of circular, elliptical, and polygonal in shape.

In one possible embodiment, the counter substrate includes a second substrate and a second common electrode trace on the second substrate; the frame glue area comprises a first area and a second area which are continuously distributed along the direction towards the display area, a plurality of light shielding columns are located in the first area, frame glue located on one side of the conducting layer, deviating from the first substrate, is formed in the second area, conducting particles are doped in the frame glue, and the first public electrode wiring is conducted with the second public electrode wiring through the conducting particles.

In one possible embodiment, the array substrate further includes a first alignment film, the first alignment film being located on a side of the conductive layer facing away from the first substrate; the opposite substrate further comprises a second alignment film, the second alignment film is located on one side, away from the second substrate, of the second common electrode wiring, one end of each conductive particle is electrically connected with the first common electrode wiring through the first alignment film, and the other end of each conductive particle is electrically connected with the second common electrode wiring through the second alignment film.

In one possible embodiment, the display device further includes a plurality of columnar spacers located in the display area, one end of each of the columnar spacers is abutted to the opposite substrate, and the other end of each of the columnar spacers is abutted to the conductive layer.

In one possible implementation manner, the array substrate further includes a color resist layer, the color resist layer is located between the driving array layer and the planarization layer, the driving array layer includes a data line extending along the first direction, the color resist layer includes a plurality of color resist units distributed in an array, and an overlapping area between two adjacent color resist units corresponds to the data line.

In one possible embodiment, the light shielding layer further includes a plurality of light shielding units disposed in the display area, and an orthographic projection of the light shielding units on the first substrate covers an orthographic projection of the data lines on the first substrate.

In one possible embodiment, the driving array layer further includes a scan line extending in a second direction, the scan line being arranged in the same layer as the first common electrode trace, the first direction intersecting the second direction.

In a second aspect, embodiments of the present application further provide a display device including a liquid crystal display panel as described above; and the backlight module is positioned at the backlight side of the liquid crystal display panel and is used for providing a light source for the liquid crystal display panel.

According to the liquid crystal display panel and the display device provided by the embodiment of the application, the array substrate of the liquid crystal display panel is provided with the light shielding layer on the planarization layer, and the light shielding layer is provided with the second through holes in alignment at the first through holes of the frame glue area corresponding to the planarization layer, so that the normal conduction of the array substrate and the opposite substrate in the frame glue area can be realized; meanwhile, the shading column is filled in the second through hole and the first through hole, so that the light leakage between the opposite substrate and the array substrate can be supported, light leakage from the second through hole and the first through hole can be effectively prevented, and the display effect and the attractiveness of the liquid crystal display panel are improved.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings. In the drawings, like parts are designated with like reference numerals. The drawings are not drawn to scale, but are merely for illustrating relative positional relationships, and the layer thicknesses of certain portions are exaggerated in order to facilitate understanding, and the layer thicknesses in the drawings do not represent the actual layer thickness relationships.

Fig. 1 shows a cross-sectional view of a liquid crystal display panel provided in an embodiment of the present application;

fig. 2 is a schematic top view of a liquid crystal display panel according to an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of the liquid crystal display panel shown in FIG. 2 along the B-B direction;

fig. 4 is a schematic cross-sectional view of the liquid crystal display panel shown in fig. 2 in a display area.

Reference numerals illustrate:

1. an array substrate; AA. A display area; SA, frame glue area; s1, a first area; s2, a second area; h1, a first via hole; h2, second vias;

10. a first substrate base plate; 11. driving the array layer; 111. a first common electrode trace; 12. a planarization layer; 13. a conductive layer; 14. a color resist layer; 15. a light shielding layer; 16. a light shielding column; J. frame glue; 17. a columnar spacer;

2. an opposite substrate; 21. a second substrate base plate; 22. a second common electrode trace; 3. and a liquid crystal layer.

Detailed Description

Features and exemplary embodiments of various aspects of the present application are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by showing an example of the present application. In the drawings and the following description, at least some well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present application; also, the size of the region structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Fig. 1 shows a cross-sectional view of a liquid crystal display panel provided in an embodiment of the present application.

Referring to fig. 1, an embodiment of the present application provides a liquid crystal display panel, which includes an array substrate 1, a counter substrate 2 disposed opposite to the array substrate 1, and a liquid crystal layer 3 disposed between the array substrate 1 and the counter substrate 2. The liquid crystal layer 3 comprises a plurality of liquid crystal molecules, typically rod-shaped, which both flow like a liquid and have certain crystal characteristics. When the liquid crystal molecules are in an electric field, the alignment direction thereof is changed according to the change of the electric field.

Since the liquid crystal display panel is a non-emissive light receiving element, a light source is required to be provided by a backlight module disposed on one side of a backlight surface thereof. The liquid crystal display panel controls the rotation of liquid crystal molecules of the liquid crystal layer 3 by applying driving voltages to the array substrate 1 and the opposite substrate 2, so as to refract light provided by the backlight module to generate a picture.

In the related art, a BOA technology is adopted, and most of film layers such as a black matrix BM, a photoresist spacer PS and the like are directly manufactured on one side of an array substrate so as to improve alignment accuracy, transmittance and the like; however, when the BM layer of the BOA array substrate is fabricated, it will cover the openings of the planarization layer, resulting in poor conduction between the peripheral array substrate and the opposite substrate.

Therefore, the BOA array substrate provided by the embodiment of the application can realize normal conduction between the peripheral array substrate and the opposite substrate, and can effectively prevent light leakage at the position of the through hole. The following describes in detail a specific structure of an array substrate provided in an embodiment of the present application with reference to the accompanying drawings.

Fig. 2 is a schematic top view of a liquid crystal display panel according to an embodiment of the present disclosure; fig. 3 is a schematic cross-sectional view of the liquid crystal display panel shown in fig. 2 along the B-B direction.

As shown in fig. 2 and 3, the liquid crystal display panel provided in the embodiment of the present application has a display area AA and a sealant area SA located at least one side of the display area AA, the liquid crystal display panel includes an array substrate 1 and a counter substrate 2 that are disposed opposite to each other, the array substrate 1 includes a first substrate 10, and a driving array layer 11, a planarization layer 12 and a conductive layer 13 sequentially formed on the first substrate 10, the driving array layer 11 includes a first common electrode trace 111 and an insulating layer 112 located at a side of the first common electrode trace 111 facing away from the first substrate 10, and the insulating layer 112 and the planarization layer 12 are formed with a plurality of first vias H1 in the sealant area SA to expose the first common electrode trace 111.

The array substrate 1 further includes a light shielding layer 15, where the light shielding layer 15 is located between the planarization layer 12 and the conductive layer 13, and the light shielding layer 15 is provided with a plurality of second vias H2 aligned with the plurality of first vias H1 in the frame glue area SA, so that the conductive layer 13 is electrically connected to the first common electrode trace 111 through the second vias H2 and the first vias H1.

The sealant area SA is further provided with a plurality of light shielding columns 16 located on one side of the conductive layer 13 away from the first substrate 10, one ends of the light shielding columns 16 are abutted to the opposite substrate 2, and the other ends of the light shielding columns 16 penetrate through the second through holes H2 and the corresponding first through holes H1.

In the related art, the light shielding layer 15 is located above the planarization layer 12 and covers the first vias H1 of the planarization layer 12 disposed in the sealant area SA, and the first vias H1 function to conduct the first common electrode trace 111 of the array substrate and the second common electrode trace 22 of the opposite substrate 2 through the conductive particles in the sealant J, and the light shielding layer 15 covers the opening of the planarization layer 12 entirely, which may cause abnormal conduction.

In this embodiment, the light shielding layer 15 is located between the planarization layer 12 and the conductive layer 13, and the light shielding layer 15 is provided with a plurality of second vias H2 aligned with the plurality of first vias H1 in the frame glue area SA, so that the conductive layer 13 can be electrically connected to the first common electrode trace 111 through the second vias H2 and the first vias H1 and maintain the same potential. When the conductive particles in the frame glue J are in contact with the conductive layer 13, the conductive particles are electrically connected with the first common electrode trace 111, so that the first common electrode trace 111 of the array substrate can be conducted with the second common electrode trace 22 of the opposite substrate 2.

Further, the light shielding layer 15 is provided with a plurality of second vias H2 aligned with the plurality of first vias H1, respectively, in the sealant area SA, so that light leakage is easy at the second vias H2, therefore, the sealant area SA is further provided with a plurality of light shielding columns 16 located at one side of the conductive layer 13 away from the first substrate 10, one ends of the light shielding columns 16 are abutted to the opposite substrate 2, the other ends of the light shielding columns 16 penetrate through the second vias H2 and the corresponding first vias H1, the light shielding columns 16 can be supported between the array substrate 1 and the opposite substrate 2 to form a predetermined box thickness to accommodate the liquid crystal layer 3, and on the other hand, the first vias H1 of the planarization layer 12 and the second vias H2 of the light shielding layer 15 can be covered, so that light is prevented, and the display effect and the aesthetic degree of the liquid crystal display panel are improved.

According to the liquid crystal display panel and the display device provided by the embodiment of the utility model, the light shielding layer 15 of the array substrate 1 is arranged on the planarization layer 12, and the second through holes H2 are arranged at the first through holes H1 of the light shielding layer 15 corresponding to the frame glue area SA of the planarization layer 12 in an aligned manner, so that the normal conduction of the array substrate 1 and the opposite substrate 2 in the frame glue area SA can be realized; meanwhile, the light shielding column 16 is filled in the second through hole H2 and the first through hole H1, so that the light shielding column can be supported between the opposite substrate 2 and the array substrate 1, light leakage from the second through hole H2 and the first through hole H1 can be effectively prevented, and the display effect and the attractiveness of the liquid crystal display panel are improved.

In some embodiments, the light shielding columns 16 and the light shielding layer 15 are both black colloid. The main material generally comprises photosensitive resin, pigment, solvent and the like, and manganese diboride particles are doped in the main material, so that the light shielding column 16 and the light shielding layer 15 have light absorption effect and light shielding effect. In addition, the light shielding column 16 and the light shielding layer 15 can be manufactured by a half-tone mask process, so that the difficulty and cost of the manufacturing process are reduced.

In some embodiments, the shape of the second via H2 and the first via H1 are any one of circular, elliptical, polygonal. The polygon may include various shapes such as triangle, rectangle, rectangular bar, trapezoid, etc., and will not be described again.

In some embodiments, the counter substrate 2 includes a second substrate 21 and a second common electrode trace 22 on the second substrate 21; the sealant area SA includes a first area S1 and a second area S2 that are continuously distributed along a direction towards the display area AA, the plurality of light-shielding columns 16 are located in the first area S1, a sealant J located on a side of the conductive layer 13 away from the first substrate 10 is formed in the second area S2, conductive particles are doped in the sealant J, and the first common electrode trace 111 is conducted with the second common electrode trace 22 through the conductive particles. As shown in fig. 3, the first area S1 and the second area S2 are continuously distributed, so that the front projections of the light shielding columns 16 of the first area S1 and the frame glue J of the second area S2 on the first substrate 10 do not overlap each other, since the conductive layer 13 is electrically connected with the first common electrode trace 111 through the second via hole H2 and the first via hole H1 corresponding to the first area S1, the same potential is maintained, and when the conductive particles of the frame glue J of the second area S2 are in contact with the conductive layer 13, the conductive particles are equivalent to electrically connected with the first common electrode trace 111, so that the first common electrode trace 111 of the array substrate and the second common electrode trace 22 of the opposite substrate 2 can be conducted, and meanwhile, the light shielding columns 16 are filled in the second via hole H2 and the first via hole H1, light leakage from the second via hole H2 and the first via hole H1 can be effectively prevented, and the display effect and the aesthetic degree of the liquid crystal display panel can be improved.

In addition, the conductive layer 13 includes a plurality of pixel electrodes, and the rotation of the liquid crystal molecules of the liquid crystal layer 3 is controlled by applying a driving voltage to the pixel electrodes and the second common electrode of the opposite substrate 2, so as to refract the light provided by the backlight module to generate a picture.

In some embodiments, the array substrate 1 further includes a first alignment film (not shown in the drawings), which is located on a side of the conductive layer 13 facing away from the first substrate 10; the opposite substrate 2 further includes a second alignment film (not shown in the drawings), which is located at a side of the second common electrode trace 22 facing away from the second substrate 21, and one end of the conductive particles is electrically connected to the first common electrode trace 111 through the first alignment film, and the other end is electrically connected to the second common electrode trace 22 through the second alignment film.

In the process of forming a box of a liquid crystal display panel, a first alignment film and a second alignment film are generally prepared on opposite surfaces of an array substrate 1 and a counter substrate 2, the first alignment film and the second alignment film are used for limiting the orientation of liquid crystal molecules in a liquid crystal layer 3, then a sealant J is coated and sealed in a sealant area SA of the array substrate 1, liquid crystal is dripped, the array substrate 1 and the counter substrate 2 are attached in a vacuum state, and finally the sealant J is cured through ultraviolet irradiation, so that the packaging of the array substrate 1 and the counter substrate 2 is completed.

Since the first alignment film and the second alignment film have fluidity, they are obtained by adding a solvent to a resin material such as polyimide to reduce the viscosity thereof. Taking the process of the first alignment film as an example, there are mainly two manufacturing methods of the first alignment film, one is to transfer the first alignment film using a Printing plate, and the other is to manufacture the first alignment film by a coating method of ink jet Printing (ink jet Printing). Taking an inkjet printing method as an example, firstly inputting a graph of a first alignment film into a computer, then spraying a first alignment film solution onto an array substrate 1 through a spray head, and curing to form the first alignment film.

Fig. 4 is a schematic cross-sectional view of the liquid crystal display panel shown in fig. 2 in a display area.

In some embodiments, as shown in fig. 4, the liquid crystal display panel further includes a plurality of columnar spacers 17 located in the display area AA, one end of the columnar spacer 17 is abutted to the opposite substrate 2, and the other end of the columnar spacer 17 is abutted to the conductive layer 13. The columnar spacers 17 of the display area AA are similar to the light-shielding columns 16 of the sealant area SA in basic function, and are supported between the array substrate 1 and the opposite substrate 2 to maintain a predetermined thickness, and in addition, the light-shielding columns 16 are filled in the second via holes H2 and the first via holes H1 in the sealant area SA, so that light leakage from the second via holes H2 and the first via holes H1 can be effectively prevented, and the display effect and the aesthetic degree of the liquid crystal display panel are improved.

In some embodiments, the array substrate 1 further includes a color resist layer 14, the color resist layer 14 is located between the driving array layer 11 and the planarization layer 12, the driving array layer 11 includes a data line extending along a first direction, the color resist layer 14 includes a plurality of color resist units distributed in an array, the color resist units are in a stripe structure disposed parallel to the data line, and an overlapping area between two adjacent color resist units corresponds to the data line. The color resistance units of the color resistance layer 14 are used for forming the color of each sub-pixel, the overlapping area between two adjacent color resistance units corresponds to the data line, so that the data line can be shielded, and compared with the technical scheme that a metal layer is adopted to shield the electric field above the data line so that the corresponding liquid crystal molecules above the data line always keep an undeflected state, and then the effect of shielding light is achieved, the problems of capacitive coupling and the like caused by the metal shielding layer can be effectively avoided.

Further, the light shielding layer 15 further includes a plurality of light shielding units disposed in the display area AA, and the orthographic projection of the light shielding units on the first substrate 10 covers the orthographic projection of the data lines on the first substrate 10. The plurality of light shielding units of the light shielding layer 15 cover the overlapping area between two adjacent color resistance units, so that the shielding effect of the data line can be further improved, and the problems of capacitive coupling and the like caused by the metal light shielding layer are avoided.

Further, the driving array layer 11 further includes scan lines extending in a second direction, the scan lines being arranged in the same layer as the first common electrode wiring 111, the first direction intersecting the second direction.

It should be noted that, the driving array layer 11 in this embodiment may further include other elements, such as a pixel circuit formed by the thin film transistor T and the storage capacitor, and the like, and these elements may be connected to the data line and the scan line according to a connection relationship in the related art or arranged according to a position relationship in the related art, which is not described herein.

In addition, the embodiment of the application also provides a display device which comprises the liquid crystal display panel; and the backlight module is positioned at the backlight side of the liquid crystal display panel and is used for providing a light source for the liquid crystal display panel.

It can be understood that the technical solution of the array substrate 1 provided In the embodiments of the present application may be widely used for various liquid crystal display panels, such as a TN (Twisted Nematic) display panel, an IPS (In-plane switching) display panel, a VA (vertical alignment) display panel, a MVA (Multi-Domain Vertical Alignment, multi-quadrant vertical alignment) display panel.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this application should be interpreted in the broadest sense such that "on … …" means not only "directly on something" but also includes the meaning of "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes the meaning of "not only" on something "or" above "but also" above "or" above "without intermediate features or layers therebetween (i.e., directly on something).

The term "substrate base" as used herein refers to a material to which subsequent layers of material are added. The substrate itself may be patterned. The material added atop the substrate base plate may be patterned or may remain unpatterned. In addition, the substrate base may comprise a wide range of materials, such as silicon, germanium, gallium arsenide, indium phosphide, and the like. Alternatively, the substrate base plate may be made of a non-conductive material (e.g., glass, plastic, or sapphire wafer, etc.).

The term "layer" as used herein may refer to a portion of material that includes regions having a certain thickness. The layer may extend over the entire underlying or overlying structure, or may have a range that is less than the range of the underlying or overlying structure. Further, the layer may be a region of a continuous structure, either homogenous or non-homogenous, having a thickness less than the thickness of the continuous structure. For example, the layer may be located between the top and bottom surfaces of the continuous structure or between any pair of lateral planes at the top and bottom surfaces. The layers may extend laterally, vertically and/or along a tapered surface. The substrate base may be a layer, may include one or more layers therein, and/or may have one or more layers located thereon, and/or thereunder. The layer may comprise a plurality of layers. For example, the interconnect layer may include one or more conductors and contact layers (within which contacts, interconnect lines, and/or vias are formed) and one or more dielectric layers.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. The liquid crystal display panel comprises a display region and a frame glue region at least at one side of the display region, wherein the liquid crystal display panel comprises an array substrate and an opposite substrate which are oppositely arranged, the array substrate comprises a first substrate, a driving array layer, a flattening layer and a conducting layer which are sequentially formed on the first substrate, the driving array layer comprises a first public electrode wire and an insulating layer which is positioned at one side of the first public electrode wire away from the first substrate, the insulating layer and the flattening layer are provided with a plurality of first through holes in the frame glue region so as to expose the first public electrode wire,

the array substrate further comprises a light shielding layer, the light shielding layer is positioned between the planarization layer and the conducting layer, and a plurality of second through holes which are respectively aligned with the plurality of first through holes are formed in the frame glue area of the light shielding layer so that the conducting layer is electrically connected with the first common electrode wiring through the second through holes and the first through holes;

the frame glue area is further provided with a plurality of shading columns which are located on one side, away from the first substrate, of the conducting layer, one ends of the shading columns are abutted to the opposite substrate, and the other ends of the shading columns penetrate through the second through holes and the corresponding first through holes.

2. The liquid crystal display panel according to claim 1, wherein the light shielding columns and the light shielding layer are both black colloid.

3. The liquid crystal display panel according to claim 1, wherein the second via hole and the first via hole are each any one of a circle, an ellipse, and a polygon in shape.

4. The liquid crystal display panel according to claim 1, wherein the counter substrate includes a second substrate and a second common electrode wiring on the second substrate;

the frame glue area comprises a first area and a second area which are continuously distributed along the direction facing the display area, the plurality of light shielding columns are located in the first area, frame glue located on one side of the conducting layer, deviating from the first substrate, of the conducting layer is formed in the second area, conducting particles are doped in the frame glue, and the first public electrode wiring is conducted with the second public electrode wiring through the conducting particles.

5. The liquid crystal display panel of claim 4, wherein the array substrate further comprises a first alignment film, the first alignment film being located on a side of the conductive layer facing away from the first substrate; the opposite substrate further comprises a second alignment film, the second alignment film is located on one side, away from the second substrate, of the second common electrode wiring, one end of each conductive particle is electrically connected with the first common electrode wiring through the first alignment film, and the other end of each conductive particle is electrically connected with the second common electrode wiring through the second alignment film.

6. The liquid crystal display panel according to claim 1, further comprising a plurality of columnar spacers in the display area, wherein one end of the columnar spacer is abutted to the opposite substrate, and the other end of the columnar spacer is abutted to the conductive layer.

7. The liquid crystal display panel according to claim 1, wherein the array substrate further comprises a color resist layer, the color resist layer is located between the driving array layer and the planarization layer, the driving array layer comprises a data line extending along a first direction, the color resist layer comprises a plurality of color resist units distributed in an array, and an overlapping area between two adjacent color resist units corresponds to the data line.

8. The liquid crystal display panel of claim 7, wherein the light shielding layer further comprises a plurality of light shielding units disposed in the display area, and an orthographic projection of the light shielding units on the first substrate covers an orthographic projection of the data lines on the first substrate.

9. The liquid crystal display panel of claim 7, wherein the driving array layer further comprises scan lines extending in a second direction, the scan lines being arranged in a same layer as the first common electrode lines, the first direction intersecting the second direction.

10. A display device, comprising:

the liquid crystal display panel according to any one of claims 1 to 9; and

and the backlight module is positioned at the backlight side of the liquid crystal display panel and used for providing a light source for the liquid crystal display panel.