CN112596316B - Array substrate and its preparation method, display panel and its preparation method, and display device - Google Patents

Abstract

The application discloses an array substrate, a preparation method of the array substrate, a display panel, a preparation method of the display panel and a display device, which are used for avoiding large-area damage and tilting fracture of a lead electrode. An array substrate provided by the embodiment of the application, the array substrate includes: a base substrate; the substrate base plate includes: a display area and a peripheral area outside the display area; the peripheral zone includes: the display device comprises a removing area and a first reserved area, wherein the first reserved area is positioned on one side, close to the display area, of the removing area; the array substrate further includes: a plurality of lead electrodes extending from the display region to the removal region over the substrate base plate; in the first remaining region and at least a portion of the removed region adjacent to the first remaining region, each of the lead electrodes includes: a plurality of first electrode parts and a plurality of second electrode parts which are alternately arranged in an array; the first electrode portion and the second electrode portion are electrically connected; the first electrode portion and the second electrode portion have different surface peel forces.

Description

Array substrate and its preparation method, display panel and its preparation method, display device

technical field

The present application relates to the field of display technology, in particular to an array substrate and a manufacturing method, a display panel and a manufacturing method, and a display device.

Background technique

In order to realize ultra-narrow bezel technology for borderless large-size splicing products, it is necessary to reduce the peripheral size through processes such as grinding, silver glue transfer printing, and lateral welding. In the side soldering process, the silver glue is in contact with the cross-section of the signal traces. However, before the silver glue is bound to the cross-section of the signal traces, a side grinding process is required, and in the side grinding process, problems such as local damage to the signal traces, lifting and fracture are prone to occur, and the damage of the signal traces will cause the impedance of the signal path If it becomes larger or open circuit, the signal cannot be transmitted normally, and serious line defects and reliability problems will occur, which will affect the product yield.

Contents of the invention

Embodiments of the present application provide an array substrate and a preparation method, a display panel and a preparation method, and a display device, so as to avoid large-area damage, warping and fracture of lead electrodes.

An array substrate provided in an embodiment of the present application, the array substrate includes: a base substrate; the base substrate includes: a display area and a peripheral area outside the display area; the peripheral area includes: a removal area, and a first reserved area located on a side of the removal area close to the display area;

The array substrate further includes: a plurality of lead electrodes extending from the display area to the removal area on the base substrate;

In the first reserved area and at least part of the removed area adjacent to the first reserved area, each of the lead electrodes includes: a plurality of first electrode parts and a plurality of second electrodes arranged in an alternate array part; the first electrode part is electrically connected to the second electrode part;

The first electrode part and the second electrode part have different surface peeling forces.

In some embodiments, the pattern of the orthographic projection of the plurality of first electrode portions on the base substrate is complementary to the pattern of the orthographic projection of the plurality of second electrode portions on the substrate.

In some embodiments, on the base substrate, the shape of the orthographic projection of the first electrode portion and the shape of the orthographic projection of the second electrode portion are both rectangular.

In some embodiments, the lengths of the rectangles are equal, and the widths of the rectangles are equal.

In some embodiments, in the arrangement direction of the lead electrodes, the width of each of the lead electrodes is 70 microns to 100 microns, and the width of each of the first electrode parts and each of the second electrode parts Both are 5 microns to 10 microns.

In some embodiments, the peripheral area further includes: a second reserved area located between the first reserved area and the display area;

In the second reserved area, the lead electrode includes a third electrode portion in contact with the first electrode portion and the second electrode portion.

In some embodiments, the material of the first electrode portion comprises a different conductive material than the second electrode portion;

The conductive material included in the third electrode portion is the same as the conductive material included in the first electrode portion.

An embodiment of the present application provides a method for preparing an array substrate, the method comprising:

A base substrate is provided, and the base substrate includes: a display area and a peripheral area outside the display area; the peripheral area includes: a removal area, and a first reserved area;

A lead electrode extending from the display area to the removal area is formed on the base substrate; wherein, in the first reserved area and at least part of the removed area adjacent to the first reserved area , each of the lead electrodes includes: a plurality of first electrode parts and a plurality of second electrode parts arranged alternately; the first electrode parts and the second electrode parts are electrically connected; the first electrode parts and the The surface peeling force of the second electrode part is different.

In some embodiments, a lead electrode extending from the display area to the removal area is formed on the base substrate, specifically comprising:

Depositing a first conductive material on the base substrate to form a first conductive layer;

performing a patterning process on the first conductive layer, forming a plurality of patterns of the first electrode part in the first reserved area and at least part of the removed area adjacent to the first reserved area; wherein, There is a first opening between adjacent first electrode parts;

Depositing a second conductive material, and forming a pattern of the second electrode part in the first opening.

A method for preparing a liquid crystal display panel provided in an embodiment of the present application, the method comprising:

Provide the opposite substrate and the array substrate provided by the embodiment of the present application;

aligning the opposing substrate and the array substrate using a cell alignment process, and filling liquid crystals between the array substrate and the opposing substrate;

The array substrate and the opposite substrate in the removal area are removed by using a cutting process and a grinding process.

An embodiment of the present application provides a liquid crystal display panel, the liquid crystal display panel comprising: an array substrate and an opposing substrate disposed opposite to each other, and a liquid crystal layer located between the array substrate and the opposing substrate;

The array substrate includes: a base substrate; the base substrate includes: a display area and a peripheral area outside the display area;

The array substrate further includes a plurality of lead electrodes extending from the display area to the edge of the peripheral area;

On the edge of the array substrate, the lead electrodes include a plurality of first electrode parts and a plurality of second electrode parts arranged in an alternate array;

The first electrode part and the second electrode part are electrically connected; the surface peeling forces of the first electrode part and the second electrode part are different.

A display device provided in an embodiment of the present application includes the liquid crystal display panel provided in the embodiment of the present application, a conductive part, and a driving chip;

The conductive part is in contact with the lead electrode of the array substrate at the edge of the liquid crystal display panel;

The driving chip is electrically connected to the lead electrode through the conductive part.

To sum up, in the array substrate and its manufacturing method, display panel and its manufacturing method, and display device provided by the embodiments of the present application, an alternate array arrangement is set in the first reserved area and the partially removed area adjacent to the first reserved area. The first electrode part and the second electrode part are electrically connected to each other, so as to ensure effective conduction of the lead electrodes in this area. Moreover, in the process of removing the removal area of the array substrate, since the first electrode part and the second electrode part are arranged alternately, and the surface peeling forces of the first electrode part and the second electrode part are different, the grinding lateral shearing force will only cause The electrode part of the small piece at the ground position is peeled off, so as to avoid large-scale peeling off of the lead electrode in the first reserved area, and to avoid the lead electrode from being lifted and broken, thereby avoiding the increase of lead electrode path impedance or open circuit. The signal cannot be transmitted, improving product yield.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

FIG. 1 is a schematic structural diagram of an array substrate provided in an embodiment of the present application;

Fig. 2 is the sectional view along AA' in Fig. 1 that the embodiment of the application provides;

FIG. 3 is a schematic diagram of a method for preparing an array substrate provided in an embodiment of the present application;

FIG. 4 is a schematic diagram of another method for preparing an array substrate provided in an embodiment of the present application;

FIG. 5 is a schematic diagram of a method for manufacturing a display panel provided in an embodiment of the present application;

FIG. 6 is a schematic diagram of another method for manufacturing a display panel provided in an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a display panel provided by an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a display device provided by an embodiment of the present application.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the drawings of the embodiments of the present application. Apparently, the described embodiments are some of the embodiments of the present application, but not all of them. And in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the described embodiments of the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

Unless otherwise defined, the technical terms or scientific terms used in the application shall have the ordinary meanings understood by those skilled in the art to which the application belongs. "First", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

It should be noted that the size and shape of each figure in the drawings does not reflect the actual scale, and the purpose is only to illustrate the content of the application. And the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout.

The embodiment of the present application provides an array substrate. As shown in FIG. 1 and FIG. 2, the array substrate includes: a base substrate 1; the base substrate 1 includes: a display area 2 and The peripheral area 3; the peripheral area 3 includes: a removal area 4, and a first reserved area 5 located on the side of the removal area 4 close to the display area 2;

The array substrate further includes: a plurality of lead electrodes 7 extending from the display area 2 to the removal area 4 located on the base substrate 1;

In the first reserved area 5 and at least part of the removed area 4 adjacent to the first reserved area 5, each of the lead electrodes 7 includes: a plurality of first electrode parts 8 arranged in an alternate array and a plurality of second electrode parts 9; the first electrode part 8 and the second electrode part 9 are electrically connected;

The surface peeling forces of the first electrode part 8 and the second electrode part 9 are different.

Wherein, Fig. 2 is a sectional view along AA' in Fig. 1 .

It should be noted that, in actual implementation, when the array substrate is applied to a display product, the removal area of the array substrate needs to be sequentially removed by a cutting process and a side grinding process during the manufacturing process of the display product.

In the array substrate provided by the embodiment of the present application, the first electrode part and the second electrode part arranged in an alternate array are arranged in the first reserved area and the partially removed area adjacent to the first reserved area, and the first electrode part and the second electrode The internal electrical connection can ensure the effective conduction of the lead electrodes in this area. Moreover, in the process of removing the removal area of the array substrate, since the first electrode part and the second electrode part are arranged alternately, and the surface peeling forces of the first electrode part and the second electrode part are different, the grinding lateral shearing force will only cause The electrode part of the small piece at the ground position is peeled off, so as to avoid large-scale peeling off of the lead electrode in the first reserved area, and to avoid the lead electrode from being lifted and broken, thereby avoiding the increase of lead electrode path impedance or open circuit. The signal cannot be transmitted, improving product yield.

In some embodiments, as shown in FIG. 1 , the pattern of the orthographic projection of the plurality of first electrode parts 8 on the base substrate is the same as that of the plurality of second electrode parts 9 on the base substrate. The pattern of the orthographic projection is complementary. During specific implementation, the first electrode part and the second electrode part may be located on the same layer.

In some embodiments, as shown in FIG. 1 , on the base substrate, the shape of the orthographic projection of the first electrode part 8 and the shape of the orthographic projection of the second electrode part 9 are both rectangular.

In some embodiments, as shown in FIG. 1 , the lengths of the rectangles are equal, and the widths of the rectangles are equal.

In some embodiments, as shown in FIG. 1 , on the base substrate, the shape of the orthographic projection of the first electrode part 8 and the shape of the orthographic projection of the second electrode part 9 are both square.

In some embodiments, in the arrangement direction of the lead electrodes, the width of each of the lead electrodes is 70 microns to 100 microns, and the width of each of the first electrode parts and each of the second electrode parts Both are 5 microns to 10 microns.

In some embodiments, as shown in FIG. 1 and FIG. 2 , the peripheral area 3 further includes: a second reserved area 6 located between the first reserved area 5 and the display area 2 ;

In the second reserved area 6 , the lead electrode 7 includes a third electrode portion 10 in contact with the first electrode portion 8 and the second electrode portion 9 .

In some embodiments, the material of the first electrode portion comprises a different conductive material than the second electrode portion;

The conductive material included in the third electrode portion is the same as the conductive material included in the first electrode portion.

In some embodiments, the display area of the array substrate includes a thin film transistor, and the lead electrodes other than the second electrode part can be arranged on the same layer as the gate metal layer of the thin film transistor, that is, the first electrode part, the third electrode part and the gate electrode part. including the same conductive material.

In some embodiments, the material of the second electrode portion includes indium tin oxide (ITO). When the array substrate is applied to a liquid crystal display, the display area of the array substrate further includes a pixel electrode and a common electrode, and the second electrode part can be disposed on the same layer as the pixel electrode or the common electrode, for example.

In some embodiments, as shown in FIG. 1 and FIG. 2 , the removal area includes a first removal area 11 and a second removal area 12 located between the first removal area and the first retention area. In FIG. 1 and FIG. 2 , The second removal area includes alternately arranged first electrode portions 8 and second electrode portions 9 , while the first removal area is not provided with two kinds of electrode portions. The first removal area is a complete electrode pattern formed of a conductive material.

In specific implementation, the second removal area includes a cutting area and a grinding area, that is, the cutting line is located in the second removal area, and in the cutting process, the part on the side away from the display area of the cutting line is cut along the cutting line, and then the remaining second A portion of the removal zone is subjected to a grinding process.

Of course, in actual implementation, alternately arranged first electrode parts and second electrode parts may also be provided in the entire removal area.

Based on the same inventive concept, an embodiment of the present application also provides a method for preparing an array substrate, as shown in FIG. 3 , the method includes:

S101. Provide a base substrate, the base substrate includes: a display area and a peripheral area outside the display area; the peripheral area includes: a removal area, and a side of the removal area close to the display area the first reserved area;

S102. Form a lead electrode extending from the display area to the removal area on the base substrate; wherein, in the first reserved area and at least part of the first reserved area adjacent to the first reserved area The removal area, each of the lead electrodes includes: a plurality of first electrode parts and a plurality of second electrode parts arranged alternately; the first electrode parts and the second electrode parts are electrically connected; the first electrode parts Different from the surface peeling force of the second electrode part.

In the method for preparing an array substrate provided in an embodiment of the present application, the first electrode part and the second electrode part arranged in an alternate array are arranged in the first reserved area and the partially removed area adjacent to the first reserved area, and the first electrode part and the second electrode part are arranged in an alternate array. The two electrode parts are electrically connected, so that the effective conduction of the lead electrodes in this area can be ensured. Moreover, in the subsequent process of removing the removal area of the array substrate, since the first electrode parts and the second electrode parts are arranged alternately, and the surface peeling forces of the first electrode parts and the second electrode parts are different, the grinding lateral shearing force will only increase The electrode part of the small piece that is ground to the position is peeled off, so that the lead electrode in the first reserved area can be prevented from peeling off in a large area, and the lead electrode can also be avoided from lifting and breaking, so as to avoid the lead electrode path impedance becoming large or open circuit The resulting signal cannot be transmitted, which improves the product yield.

In some embodiments, a lead electrode extending from the display area to the removal area is formed on the base substrate, specifically comprising:

Depositing a first conductive material on the base substrate to form a first conductive layer;

performing a patterning process on the first conductive layer, forming a plurality of patterns of the first electrode part in the first reserved area and at least part of the removed area adjacent to the first reserved area; wherein, There is a first opening between adjacent first electrode parts;

Depositing a second conductive material, and forming a pattern of the second electrode part in the first opening.

During specific implementation, forming the pattern of the second electrode portion includes, for example, depositing a second conductive material to form a second conductive layer, performing a patterning process on the second conductive layer, and forming a pattern of the second electrode portion in the first opening.

In a specific implementation, after each conductive layer is formed, the pattern of each conductive portion can be formed, for example, through processes such as exposure, development, and etching.

Next, the method for preparing the array substrate provided by the embodiment of the present application will be illustrated by taking the example that the first conductive part and the third conductive part include the same conductive material. As shown in Figure 4;

S201, providing a base substrate 1, and depositing a first conductive material on the base substrate 1 to form a first conductive layer 13;

Wherein, as shown in FIG. 4, the first conductive layer extends from the display area 2 to the edge of the removal area 4;

S202, performing a patterning process on the first conductive layer 13, forming a plurality of patterns of the first electrode part 8 in the first reserved area 5 and the second removed area 12;

Wherein, there is a first opening 14 between adjacent first electrode parts.

S203 , depositing a second conductive material, and forming a pattern of the second electrode portion 9 in the first opening 14 .

A method for preparing a liquid crystal display panel provided in an embodiment of the present application, as shown in FIG. 5 , the method includes:

S301, providing a counter substrate and the array substrate provided by the embodiment of the present application;

S302, aligning the opposing substrate and the array substrate using a cell alignment process, and filling liquid crystal between the array substrate and the opposing substrate;

S303 , removing the array substrate and the opposite substrate in the removal region by using a cutting process and a grinding process.

In the manufacturing method of the display panel provided by the embodiment of the present application, since the array substrate provided by the embodiment of the present application is used, the array substrate is provided with alternately arranged first The electrode part and the second electrode part, during the process of removing the removal area of the array substrate, since the first electrode part and the second electrode part are arranged alternately, and the surface peeling forces of the first electrode part and the second electrode part are different, the grinding side The shearing force will only lead to the peeling off of the small piece of the electrode at the position where it is ground, thereby avoiding the large-area peeling off of the lead electrode in the first reserved area, and avoiding the lead electrode from warping and breaking, thereby avoiding the lead electrode The signal cannot be transmitted due to the increase of path impedance or open circuit, which improves the product yield.

In specific implementation, as shown in Figure 6, the array substrate and the opposite substrate in the removal area are removed by cutting and grinding processes, specifically including:

S3031, performing a cutting process on the array substrate and the cell substrate 15 along the cutting line 16, and removing the part of the cutting line 16 away from the side of the display area;

S3032 , using the grinding wheel 17 to perform a grinding process on the array substrate and the cell substrate 15 to completely remove the remaining part of the removal area 4 .

Based on the same inventive concept, the embodiment of the present application also provides a liquid crystal display panel. As shown in FIG. and the liquid crystal layer 19 between the opposite substrate 15;

The array substrate 18 includes: a base substrate 1; the base substrate 1 includes: a display area 2 and a peripheral area 3 outside the display area 2;

The array substrate 18 also includes a plurality of lead electrodes 7 extending from the display area 2 to the edge of the peripheral area 3;

On the edge of the peripheral region 3 of the array substrate 18, the lead electrode 7 includes a plurality of first electrode parts 8 and a plurality of second electrode parts 9 arranged in an alternate array;

The first electrode part 8 and the second electrode part 9 are electrically connected; the surface peeling forces of the first electrode part 8 and the second electrode part 9 are different.

The liquid crystal display panel provided in the embodiment of the present application can be manufactured by, for example, the above-mentioned preparation method of the liquid crystal display panel; the first electrode part and the second electrode part are arranged alternately in the first reserved area, so that the grinding lateral shear force will only cause grinding The electrode part of the small piece at the position is peeled off, which can prevent the lead electrode in the first reserved area from peeling off in a large area, and can also avoid the lead electrode from lifting and breaking, thereby avoiding the signal caused by the increase of the lead electrode path impedance or open circuit. Unable to transmit, improve product yield.

In specific implementation, the liquid crystal display panel provided in the embodiment of the present application can be applied to large-size spliced display products.

A display device provided in an embodiment of the present application, as shown in FIG. 8 , includes a liquid crystal display panel 20 provided in an embodiment of the present application, a conductive portion 21, and a driving chip (not shown);

The conductive part 21 is in contact with the lead electrode 7 of the array substrate 18 at the edge of the liquid crystal display panel 20;

The driving chip is electrically connected to the lead electrode 7 through the conductive portion 21 .

In a specific implementation, the conductive part may be, for example, conductive silver glue.

In the display device provided by the embodiment of the present application, since the first electrode part and the second electrode part are alternately arranged on the edge of the peripheral area of the array substrate, that is, the first reserved area, large-area peeling off of the lead electrode in the first reserved area is avoided, and Lifting and breakage of the lead electrode can be avoided, thereby avoiding the signal failure caused by the increase of the path impedance of the lead electrode or the open circuit between the lead electrode and the conductive part.

In the specific implementation, even if the electrode part of the first reserved area is ground in the grinding process to cause some small pieces of electrodes to fall off, since the lead electrodes do not fall off in a large area, and in the subsequent process of binding the conductive silver glue, the conductive silver glue It can also be filled to a small area where the electrode falls off, so as to avoid the failure of signal transmission caused by the increase of the impedance of the lead electrode path or the open circuit between the lead electrode and the conductive part.

The display device provided in the embodiment of the present application is any product or component with a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and the like. The other essential components of the display device should be understood by those of ordinary skill in the art, and will not be repeated here, nor should they be used as limitations on the present application. For the implementation of the display device, reference may be made to the embodiments of the above-mentioned array substrate and display panel, and repeated descriptions will not be repeated.

To sum up, in the array substrate and its manufacturing method, display panel and its manufacturing method, and display device provided by the embodiments of the present application, an alternate array arrangement is set in the first reserved area and the partially removed area adjacent to the first reserved area. The first electrode part and the second electrode part are electrically connected to each other, so as to ensure effective conduction of the lead electrodes in this area. Moreover, in the process of removing the removal area of the array substrate, since the first electrode parts and the second electrode parts are arranged alternately, and the surface peeling forces of the first electrode parts and the second electrode parts are different, the grinding lateral shearing force will only cause The electrode part of the small piece at the ground position is peeled off, so as to avoid large-scale peeling and falling off of the lead electrode in the first reserved area, and to avoid the lead electrode from lifting and breaking, thereby avoiding the lead electrode path impedance becoming large or open circuit. The signal cannot be transmitted, improving product yield.

Obviously, those skilled in the art can make various changes and modifications to the application without departing from the spirit and scope of the application. In this way, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application is also intended to include these modifications and variations.

Claims (12)

1. An array substrate, characterized in that the array substrate includes: a base substrate; the base substrate includes: a display area and a peripheral area outside the display area; the peripheral area includes: a removal area, and a first reserved area located on a side of the removal area close to the display area; The array substrate further includes: a plurality of lead electrodes extending from the display area to the removal area on the base substrate; In the first reserved area and at least part of the removed area adjacent to the first reserved area, each of the lead electrodes includes: a plurality of first electrode parts and a plurality of second electrodes arranged in an alternate array part; the first electrode part is electrically connected to the second electrode part; The first electrode part and the second electrode part have different surface peeling forces. 2. The array substrate according to claim 1, wherein the pattern of the orthographic projection of the plurality of first electrode portions on the base substrate is the same as that of the plurality of second electrode portions on the substrate. The orthographically projected patterns on the substrate are complementary. 3. The array substrate according to claim 1 or 2, wherein on the base substrate, the shape of the orthographic projection of the first electrode portion and the shape of the orthographic projection of the second electrode portion are both is a rectangle. 4. The array substrate according to claim 3, wherein each of the rectangles has the same length, and each of the rectangles has the same width. 5. The array substrate according to claim 4, characterized in that, in the arrangement direction of the lead electrodes, the width of each of the lead electrodes is 70 microns to 100 microns, and each of the first electrode parts and Each of the second electrode parts has a width of 5 microns to 10 microns. 6. The array substrate according to claim 1, wherein the peripheral area further comprises: a second reserved area located between the first reserved area and the display area; In the second reserved area, the lead electrode includes a third electrode portion in contact with the first electrode portion and the second electrode portion. 7. The array substrate according to claim 6, wherein the conductive material included in the material of the first electrode part is different from the conductive material included in the second electrode part; The conductive material included in the third electrode portion is the same as the conductive material included in the first electrode portion. 8. A method for preparing an array substrate, characterized in that the method comprises: A base substrate is provided, and the base substrate includes: a display area and a peripheral area outside the display area; the peripheral area includes: a removal area, and a first reserved area; A lead electrode extending from the display area to the removal area is formed on the base substrate; wherein, in the first reserved area and at least part of the removed area adjacent to the first reserved area , each of the lead electrodes includes: a plurality of first electrode parts and a plurality of second electrode parts arranged alternately; the first electrode parts and the second electrode parts are electrically connected; the first electrode parts and the The surface peeling force of the second electrode part is different. 9. The method according to claim 8, characterized in that forming a lead electrode extending from the display area to the removal area on the base substrate, specifically comprising: Depositing a first conductive material on the base substrate to form a first conductive layer; performing a patterning process on the first conductive layer, forming a plurality of patterns of the first electrode part in the first reserved area and at least part of the removed area adjacent to the first reserved area; wherein, There is a first opening between adjacent first electrode parts; Depositing a second conductive material, and forming a pattern of the second electrode part in the first opening. 10. A method for preparing a liquid crystal display panel, characterized in that the method comprises: providing an opposite substrate and the array substrate according to any one of claims 1-7; aligning the opposing substrate and the array substrate using a cell alignment process, and filling liquid crystals between the array substrate and the opposing substrate; The array substrate and the opposite substrate in the removal area are removed by using a cutting process and a grinding process. 11. A liquid crystal display panel, characterized in that the liquid crystal display panel comprises: an array substrate and an opposing substrate disposed opposite to each other, and a liquid crystal layer located between the array substrate and the opposing substrate; The array substrate includes: a base substrate; the base substrate includes: a display area and a peripheral area outside the display area; The array substrate further includes a plurality of lead electrodes extending from the display area to the edge of the peripheral area; On the edge of the array substrate, the lead electrodes include a plurality of first electrode parts and a plurality of second electrode parts arranged in an alternate array; The first electrode part and the second electrode part are electrically connected; the surface peeling forces of the first electrode part and the second electrode part are different. 12. A display device, characterized in that it comprises a liquid crystal display panel according to claim 11, a conductive part, and a driving chip; The conductive part is in contact with the lead electrode of the array substrate at the edge of the liquid crystal display panel; The driving chip is electrically connected to the lead electrode through the conductive part.

Images