Liquid crystal display module

Abstract

The utility model discloses a liquid crystal display module, and belongs to the technical field of display. The liquid crystal display module comprises a backlight module and a liquid crystal display panel. The extension direction of a plurality of first main gratings arranged in an array formed by a first prismatic lens in the backlight module can intersect with the extension direction of a plurality of second main gratings arranged in an array formed by a plurality of shading blocks, so that the probability of mutual interference between the plurality of first main gratings and the plurality of second main gratings can be reduced as much as possible; therefore, moire patterns in the liquid crystal display module can be reduced, and the display effect of the liquid crystal display module can be improved.

Description

Technical Field

[0001] This application relates to the field of display technologies, and particularly to a liquid crystal display module. Background Art

[0002] Currently, liquid crystal display modules have become indispensable electronic products in people's lives. Various liquid crystal display modules such as medical display devices, mobile phones, tablet computers, and laptop computers have greatly increased the convenience of people's lives.

[0003] Generally, a liquid crystal display module may include: a liquid crystal display panel and a backlight module. Among them, the backlight module is a light source component fixed behind the liquid crystal display panel, and is used to provide light for the liquid crystal display panel so that the liquid crystal display panel can display an image. Here, the backlight module may include: a plurality of prism sheets arranged in an array.

[0004] However, when the backlight module and the liquid crystal display panel in the liquid crystal display module are stacked together, the regularly arranged prism pattern formed by the plurality of prism sheets in the backlight module is very likely to interfere with the regularly arranged pattern formed by the liquid crystal display panel. Since the human eye cannot clearly distinguish these two different patterns, the user can only see the interfering pattern, and this interfering pattern is the moiré pattern, which further results in a poor display effect of the liquid crystal display module. Summary of the Utility Model

[0005] Embodiments of this application provide a liquid crystal display module, which can solve the problem of poor display effect of the liquid crystal display module. The technical solution is as follows:

[0006] On the one hand, a liquid crystal display module is provided, including: a backlight module, and a liquid crystal display panel located on the light-emitting side of the backlight module;

[0007] The backlight module has a first prism sheet, and the first prism sheet is used to form a plurality of first main gratings arranged in an array;

[0008] The liquid crystal display panel includes: an array substrate and a color filter substrate arranged oppositely, and a plurality of spacers distributed between the array substrate and the color filter substrate;

[0009] The color filter substrate has a black matrix layer, and the black matrix layer includes: a plurality of light-shielding blocks corresponding to the plurality of spacers one by one. The orthographic projection of the spacer on the array substrate is located within the orthographic projection of the corresponding light-shielding block on the array substrate, and the plurality of light-shielding blocks are used to form a plurality of second main gratings arranged in an array;

[0010] Wherein, the extending direction of the first main grating intersects with the extending direction of the second main grating.

[0011] Optionally, the black matrix layer further includes: a plurality of first light-shielding bars and a plurality of second light-shielding bars. The extending direction of the first light-shielding bars is parallel to the first direction, and the extending direction of the second light-shielding bars is parallel to the second direction; the first direction intersects with the second direction, and a light-shielding block is distributed at the intersection position of one first light-shielding bar and one second light-shielding bar;

[0012] The plurality of light-shielding blocks are arranged in multiple columns in the first direction and in multiple rows in the second direction; the distance between two adjacent light-shielding blocks in one row of the light-shielding blocks in the first direction is less than the distance between two adjacent light-shielding blocks in one column of the light-shielding blocks in the second direction;

[0013] Wherein, the extending direction of the second main grating is parallel to the first direction.

[0014] Optionally, the plurality of spacers include: a plurality of auxiliary spacers and a plurality of main spacers, and the height of the main spacers is greater than the height of the auxiliary spacers;

[0015] The light-shielding blocks corresponding to the auxiliary spacers among the plurality of light-shielding blocks are auxiliary light-shielding blocks, and the light-shielding blocks corresponding to the main spacers among the plurality of light-shielding blocks are main light-shielding blocks;

[0016] Wherein, the maximum width of the auxiliary light-shielding block in the direction parallel to the array substrate is less than or equal to the maximum width of the main light-shielding block in the direction parallel to the array substrate.

[0017] Optionally, the maximum width of the auxiliary light-shielding block in the direction parallel to the array substrate is less than or equal to 1.3 times the width of the first light-shielding bar in the second direction.

[0018] Optionally, the maximum width of the main light-shielding block in the direction parallel to the array substrate is less than or equal to 1.2 times the maximum width of the auxiliary light-shielding block in the direction parallel to the array substrate.

[0019] Optionally, the plurality of main light-shielding blocks are arranged in multiple columns in the first direction and in multiple rows in the second direction;

[0020] Wherein, four main light-shielding blocks are shared among any two adjacent rows of the main light-shielding blocks and any two adjacent columns of the main light-shielding blocks, and the four main light-shielding blocks are arranged in a rectangular shape or a rhombic shape.

[0021] Optionally, when the four main shading blocks are arranged in a rectangular shape, the four main shading blocks are respectively: a first main shading block and a second main shading block arranged adjacent to each other in the first direction, and a third main shading block and a fourth main shading block arranged adjacent to each other in the first direction, the first main shading block and the third main shading block are arranged adjacent to each other in the second direction, and the second main shading block and the fourth main shading block are arranged adjacent to each other in the second direction;

[0022] The plurality of main shading blocks are used to form a plurality of third main gratings arranged in an array, and an extension direction of the third main grating intersects with an extension direction of the first main grating and is parallel to the first direction or the second direction.

[0023] Optionally, when the extension direction of the third main grating is parallel to the second direction, the distance between the first main shading block and the second main shading block is greater than or equal to 1.5 times the distance between the first main shading block and the third main shading block, and the angle range between the first main grating and the first direction is: 20° to 30° or 150° to 160°.

[0024] Optionally, when the extension direction of the third main grating is parallel to the first direction, the distance between the first main shading block and the third main shading block is greater than or equal to 1.5 times the distance between the first main shading block and the second main shading block, and the angle range between the first main grating and the first direction is: 30° to 70° or 110° to 150°.

[0025] Optionally, when the four main shading blocks are arranged in a diamond shape, the four main shading blocks are respectively: a first main shading block and a second main shading block arranged adjacent to each other in the first direction, and a third main shading block and a fourth main shading block arranged adjacent to each other in the second direction;

[0026] The plurality of main shading blocks are used to form a plurality of third main gratings arranged in an array, and an extension direction of the third main grating intersects with an extension direction of the first main grating and is parallel to the first direction.

[0027] Optionally, the distance between the first main shading block and the second main shading block is smaller than the distance between the third main shading block and the fourth main shading block, and smaller than the distance between the first main shading block and the third main shading block.

[0028] Optionally, an angle between an arrangement direction of the first main shading block and the third main shading block and an extension direction of the first main grating is greater than 45° and less than or equal to 90°.

[0029] Optionally, the angle between the first main grating and the first direction ranges from 20° to 70° or from 110° to 160°.

[0030] Optionally, the plurality of main shading blocks are used to form a plurality of third main gratings arranged in an array, and an extension direction of the third main grating intersects with an extension direction of the first main grating, intersects with the first direction, and intersects with the second direction at the same time.

[0031] Optionally, the backlight module includes: a light source component, and a plurality of stacked optical films located on the light emitting side of the light source component, and the first prism sheet is the optical film farthest from the light source component among the plurality of optical films.

[0032] The beneficial effects brought by the technical solution provided by the embodiment of the present application include at least:

[0033] Since the extension direction of the multiple first main gratings arranged in an array formed by the first prism sheet in the backlight module can intersect with the extension direction of the multiple second main gratings arranged in an array formed by the multiple shading blocks, the probability of mutual interference between the multiple first main gratings and the multiple second main gratings can be reduced as much as possible, thereby reducing the generation of moiré patterns in the liquid crystal display module, and further improving the display effect of the liquid crystal display module. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0035] Figure 1 is a structural schematic diagram of a liquid crystal display module provided in an embodiment of the present application;

[0036] Figure 2 is a schematic structural diagram of a black matrix layer provided in an embodiment of the present application;

[0037] Figure 3 is a structural schematic diagram of another liquid crystal display module provided in an embodiment of the present application;

[0038] Figure 4 is a schematic diagram of the structure of another black matrix layer provided in an embodiment of the present application;

[0039] Figure 5 is a schematic structural diagram of another black matrix layer provided in an embodiment of the present application;

[0040] Figure 6is a schematic diagram of a partial structure of a black matrix layer provided in an embodiment of the present application;

[0041] Figure 7 is a schematic diagram of a partial structure of another black matrix layer provided in an embodiment of the present application;

[0042] Figure 8 is a partial structural schematic diagram of another black matrix layer provided in an embodiment of the present application;

[0043] Figure 9 is a partial structural diagram of another black matrix layer provided in an embodiment of the present application;

[0044] Figure 10 It is a structural schematic diagram of another liquid crystal display module provided in an embodiment of the present application. DETAILED DESCRIPTION

[0045] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0046] Please refer to Figure 1 , Figure 1 000 is a schematic diagram of the structure of a liquid crystal display module provided by an embodiment of the present application. The liquid crystal display module 000 may include: a backlight module 100 and a liquid crystal display panel 200 located at the light emitting side of the backlight module 100 .

[0047] The backlight module 100 in the liquid crystal display module 000 may have a first prism sheet 101. Here, the first prism sheet 101 may be used to form a plurality of first main gratings arranged in an array. The grating refers to a component composed of a plurality of light-transmitting slits arranged in parallel and at equal distances.

[0048] It should be noted that the backlight module 100 may include: a light source component 102 and a plurality of stacked optical films 103 located on the light emitting side of the light source component 102. The first prism sheet 101 is the optical film farthest from the light source component 102 among the plurality of optical films 103.

[0049] The liquid crystal display panel 200 in the liquid crystal display module 000 includes: an array substrate 201 and a color filter substrate 202 arranged opposite to each other, and a plurality of spacers 203 distributed between the array substrate 201 and the color filter substrate 202. The spacers 203 may generally be columnar in shape, one end of the spacers 203 may be fixedly connected to the color filter substrate 202, and the other end of the spacers 203 may be a free end, which may slide freely relative to the array substrate 201. In the present application, the liquid crystal display panel 200 may further include: a liquid crystal layer 204 located between the array substrate 201 and the color filter substrate 202.

[0050] The color filter substrate 202 in the liquid crystal display panel 200 may have a black matrix layer 202 a , and the black matrix layer 202 a may include: a plurality of light shielding blocks 202 b corresponding to the plurality of spacers 203 one by one.

[0051] It should be noted that, when the liquid crystal display panel 200 is subjected to an external force, the end of the spacer 203 in the liquid crystal display panel 200 close to the array substrate 201 will slide relative to the array substrate 201, causing the end of the spacer 203 close to the array substrate 201 to easily scratch the first alignment film in the array substrate 201, thereby causing the liquid crystal molecules at this position to be unable to align correctly and cause light leakage and other defects. To this end, the area of ​​the first alignment film scratched by the spacer 203 can be shielded by the light shielding block 202b.

[0052] Here, the orthographic projection of the spacer 203 in the liquid crystal display panel 200 on the array substrate 201 may be located within the orthographic projection of the corresponding light shielding block 202b on the array substrate 201. That is, the plurality of light shielding blocks 202b in the black matrix layer 202a may cover the corresponding spacer 203 in the liquid crystal display panel 200. The plurality of light shielding blocks 202b in the black matrix layer 202a may be used to form a plurality of second main gratings arranged in an array.

[0053] The extending direction of the plurality of first main gratings arranged in an array formed by the first prism sheet 101 may intersect with the extending direction of the plurality of second main gratings arranged in an array formed by the plurality of light shielding blocks 202b. For example, the extending direction of the plurality of first main gratings arranged in an array formed by the first prism sheet 101 may be perpendicular to the extending direction of the plurality of second main gratings arranged in an array formed by the plurality of light shielding blocks 202b.

[0054] It should be noted that according to the moiré principle, moiré refers to the visual result of interference between two lines or two objects at a constant angle and frequency. When the human eye cannot distinguish the two lines or two objects, only the interference pattern can be seen. This optical phenomenon is moiré. For example, when the extension directions of two lines or two objects are parallel, the moiré phenomenon is the most serious.

[0055] In the present application, since the extension direction of the multiple first main gratings can intersect with the extension direction of the multiple second main gratings, the probability of mutual interference between the multiple first main gratings and the multiple second main gratings can be reduced as much as possible, thereby reducing the generation of moiré patterns in the liquid crystal display module 000, and further improving the display effect of the liquid crystal display module 000.

[0056] In summary, an embodiment of the present application provides a liquid crystal display module, comprising: a backlight module and a liquid crystal display panel. Since the extension direction of the plurality of first main gratings arranged in an array formed by the first prism sheet in the backlight module can intersect with the extension direction of the plurality of second main gratings arranged in an array formed by the plurality of light shielding blocks, the probability of mutual interference between the plurality of first main gratings and the plurality of second main gratings can be reduced as much as possible, thereby reducing the generation of moiré patterns in the liquid crystal display module, and further improving the display effect of the liquid crystal display module.

[0057] In the examples of this application, please refer to Figure 2 , Figure 2 : is a schematic diagram of the structure of a black matrix layer provided in an embodiment of the present application. The black matrix layer 202a in the color film substrate 202 may also include: a plurality of first shading strips 2021 and a plurality of second shading strips 2022. Here, the extension direction of the first shading strips 2021 may be parallel to the first direction A1, and the extension direction of the second shading strips 2022 may be parallel to the second direction A2. Among them, the first direction A1 may intersect with the second direction A2. For example, the first direction A1 may be perpendicular to the second direction A2.

[0058] It should be noted that the array substrate 201 in the liquid crystal display panel 200 can have multiple gate lines and multiple data lines, the multiple gate lines in the array substrate 201 can correspond one-to-one to the multiple first shading strips 2021, and the orthographic projections of the multiple gate lines on the array substrate 201 can be located within the orthographic projections of the corresponding multiple first shading strips 2021 on the array substrate 201.

[0059] The plurality of data lines in the array substrate 201 may correspond one-to-one to the plurality of second light shielding strips 2022 , and the orthographic projections of the plurality of data lines on the array substrate 201 may be located within the orthographic projections of the corresponding plurality of second light shielding strips 2022 on the array substrate 201 .

[0060] Here, a light shielding block 202b may be arranged at the intersection of a first light shielding strip 2021 and a second light shielding strip 2022 in the black matrix layer 202a. The light shielding blocks 202b may be arranged in a plurality of columns in the first direction A1 and in a plurality of rows in the second direction A2.

[0061] The distance between two adjacent light shielding blocks in a row of light shielding blocks 202b in the first direction A1 may be smaller than the distance between two adjacent light shielding blocks in a column of light shielding blocks 202b in the second direction A2. The extension direction of the second main grating may be parallel to the first direction A1.

[0062] It should be noted that the multiple first light-shielding strips 2021, the multiple second light-shielding strips 2022 and the multiple light-shielding blocks 202b in the black matrix layer 202a can all be black. In order to better distinguish the first light-shielding strips 2021, the second light-shielding strips 2022 and the light-shielding blocks 202b in the figure, different colors are used for schematic illustration.

[0063] It should also be noted that, since the multiple first shading strips 2021 themselves can form a multiple gratings arranged in an array with an extension direction parallel to the first direction A1, and the multiple second shading strips 2022 can form a multiple gratings arranged in an array with an extension direction parallel to the second direction A2, therefore, by setting the extension direction of the multiple second main gratings formed by the multiple shading blocks 202b to be parallel to the first direction A1, it can be ensured that the extension direction of the multiple second main gratings is parallel to the extension direction of the multiple gratings formed by the multiple first shading strips 2021. In this case, it can be ensured that no new gratings are introduced into the liquid crystal display module 000.

[0064] In the examples of this application, please refer to Figure 3 and Figure 4 , Figure 3 is a schematic diagram of the structure of another liquid crystal display module provided in an embodiment of the present application, Figure 4 2 is a schematic diagram of another black matrix layer structure provided by an embodiment of the present application. The plurality of spacers 203 in the liquid crystal display panel 200 may include: a plurality of auxiliary spacers 203a and a plurality of main spacers 203b. The height of the main spacers 203b is greater than the height of the auxiliary spacers 203a.

[0065] When the liquid crystal display panel 200 is not subjected to external force, the end of the main spacer 203b close to the array substrate 201 is in contact with the array substrate 201, and the end of the auxiliary spacer 203a close to the array substrate 201 is not in contact with the array substrate 201, and the main spacer 203b can support the array substrate 201 and the color film substrate 202; when the liquid crystal display panel 200 is subjected to external force, the end of the main spacer 203b close to the array substrate 201 and the end of the auxiliary spacer 203a close to the array substrate 201 are both in contact with the array substrate 201, and the main spacer 203b and the auxiliary spacer 203a can both support the array substrate 201 and the color film substrate 202.

[0066] Here, the light shielding block corresponding to the auxiliary spacer 203a among the multiple light shielding blocks 202b in the black matrix layer 202a may be an auxiliary light shielding block 2023, and the light shielding block corresponding to the main spacer 203b among the multiple light shielding blocks 202b may be a main light shielding block 2024.

[0067] The maximum width d1 of the auxiliary light shielding block 2023 in the direction parallel to the array substrate 201 may be smaller than or equal to the maximum width d2 of the main light shielding block 2024 in the direction parallel to the array substrate 201 .

[0068] It should be noted that, since the auxiliary spacers 203a among the multiple spacers 203 will contact the array substrate 201 only after the liquid crystal display panel 200 is subjected to external force, and the main spacers 203b among the multiple spacers 203 will contact the array substrate 201 regardless of whether the liquid crystal display panel 200 is subjected to external force. Therefore, the main spacers 203b are more likely to scratch the first orientation film in the array substrate 201 than the auxiliary spacers 203a. To this end, the maximum width d2 of the main light shielding block 2024 in the direction parallel to the array substrate 201 can usually be greater than or equal to the maximum width d1 of the auxiliary light shielding block 2023 in the direction parallel to the array substrate 201, so as to ensure that the main light shielding block 2024 can effectively shield the area where the main spacers 203b scratch the first orientation film.

[0069] In this application, if Figure 4 As shown, the maximum width d1 of the auxiliary light shielding block 2023 in the black matrix layer 202a in the direction parallel to the array substrate 201 may be less than or equal to 1.3 times the width d3 of the first light shielding strip 2021 in the second direction A2. For example, the maximum width d1 of the auxiliary light shielding block 2023 in the black matrix layer 202a in the direction parallel to the array substrate 201 may be less than or equal to 1.25 times the width d3 of the first light shielding strip 2021 in the second direction A2.

[0070] In this way, in the second direction A2, it can be ensured that each side edge of the auxiliary light shielding block 2023 in the black matrix layer 202a does not protrude too much from the first light shielding strip 2021, so that the portion of the auxiliary light shielding block 2023 distributed in the interval area between the plurality of first light shielding strips 2021 can be reduced as much as possible. In this case, the probability of the plurality of auxiliary light shielding blocks 2023 forming a plurality of gratings arranged in an array can be reduced as much as possible, thereby reducing the generation of moiré patterns in the liquid crystal display module.

[0071] In the embodiment of the present application, the maximum width d2 of the main light shielding block 2024 in the black matrix layer 202a in the direction parallel to the array substrate 201 may be less than or equal to 1.2 times the maximum width of the auxiliary light shielding block 2023 in the direction parallel to the array substrate 201. For example, the maximum width d2 of the main light shielding block 2024 in the black matrix layer 202a in the direction parallel to the array substrate 201 may be less than or equal to 1.15 times the maximum width of the auxiliary light shielding block 2023 in the direction parallel to the array substrate 201.

[0072] In this case, it can be ensured that the difference between the maximum width d2 of the main shading block 2024 in the direction parallel to the array substrate 201 and the maximum width of the auxiliary shading block 2023 in the direction parallel to the array substrate 201 is small, thereby weakening the influence of the multiple gratings arranged in an array formed by the multiple main shading blocks 2024 on the generation of moiré patterns, thereby reducing the generation of moiré patterns in the liquid crystal display module.

[0073] In this application, please refer to Figure 4 and Figure 5 , Figure 5 2 is a schematic diagram of another black matrix layer structure provided in an embodiment of the present application. The plurality of main light shielding blocks 2024 in the black matrix layer 202a are arranged in a plurality of columns in a first direction A1 and in a plurality of rows in a second direction A2.

[0074] Among them, any two adjacent rows of main shading blocks 2024 and any two adjacent columns of main shading blocks 2024 in the black matrix layer 202a can share four main shading blocks 2024, and the four main shading blocks 2024 are arranged in a rectangular shape or in a diamond shape. The embodiment of the present application will be described by taking the following two possible implementation methods as examples:

[0075] For the first possible implementation, please refer to Figure 4 In the case where the four main light shielding blocks 2024 are arranged in a rectangular shape, the four main light shielding blocks 2024 are respectively: a first main light shielding block 2024a and a second main light shielding block 2024b arranged adjacent to each other in the first direction A1, and a third main light shielding block 2024c and a fourth main light shielding block 2024d arranged adjacent to each other in the first direction A1. Here, the first main light shielding block 2024a can be arranged adjacent to the third main light shielding block 2024c in the second direction A2, and the second main light shielding block 2024b can be arranged adjacent to the fourth main light shielding block 2024d in the second direction A2.

[0076] Among them, the plurality of main light shielding blocks 2024 can be used to form a plurality of third main gratings X1 arranged in an array, and the extension direction of the third main grating X1 can intersect with the extension direction of the first main grating and be parallel to the first direction A1 or the second direction A2. The present application embodiment will be described by taking the following two methods as examples:

[0077] For the first method, please refer to Figure 6 , Figure 6It is a schematic diagram of a partial structure of a black matrix layer provided in an embodiment of the present application. When the extension direction of the third main grating X1 is parallel to the second direction A2, the distance between the first main light shielding block 2024a and the second main light shielding block 2024b can be greater than or equal to 1.5 times the distance between the first main light shielding block 2024a and the third main light shielding block 2024c. For example, the distance between the first main light shielding block 2024a and the second main light shielding block 2024b is greater than or equal to 2 times the distance between the first main light shielding block 2024a and the third main light shielding block 2024c.

[0078] The angle between the first main grating formed by the first prism sheet 101 and the first direction A1 ranges from 20° to 30° or from 150° to 160°. For example, the angle between the first main grating formed by the first prism sheet 101 and the first direction A1 may be 25°. For another example, the angle between the first main grating formed by the first prism sheet 101 and the first direction A1 may be 155°. It should be noted that the angle between the first main grating and the first direction A1 refers to the angle on the right side formed between the first main grating and the first direction A1.

[0079] In this case, it can be ensured that there is an angle between the extension direction of the third main grating X1 and the extension direction of the first main grating, that is, the extension direction of the third main grating X1 intersects with the extension direction of the first main grating. In addition, since the extension direction of the third main grating X1 can be parallel to the second direction A2, it can be ensured that no new grating is introduced into the liquid crystal display module 000. In this way, under the premise that it can be ensured that no new grating is introduced into the liquid crystal display module 000, it can be ensured that the probability of mutual interference between the plurality of third main gratings X1 and the plurality of first main gratings is low, thereby reducing the generation of moiré in the liquid crystal display module 000, and further improving the display effect of the liquid crystal display module 000.

[0080] For the second method, please refer to Figure 7 , Figure 7 It is a schematic diagram of the partial structure of another black matrix layer provided in an embodiment of the present application. When the extension direction of the third main grating X1 is parallel to the first direction A1, the distance between the first main light shielding block 2024a and the third main light shielding block 2024c can be greater than or equal to 1.5 times the distance between the first main light shielding block 2024a and the second main light shielding block 2024b. For example, the distance between the first main light shielding block 2024a and the third main light shielding block 2024c can be greater than or equal to 2 times the distance between the first main light shielding block 2024a and the second main light shielding block 2024b.

[0081] The angle between the first main grating formed by the first prism sheet 101 and the first direction A1 ranges from 30° to 70° or from 110° to 150°. For example, the angle between the first main grating formed by the first prism sheet 101 and the first direction A1 may be 50°. For another example, the angle between the first main grating formed by the first prism sheet 101 and the first direction A1 may be 130°.

[0082] In this case, it can be ensured that there is an angle between the extension direction of the third main grating X1 and the extension direction of the first main grating, that is, the extension direction of the third main grating X1 intersects with the extension direction of the first main grating. In addition, since the extension direction of the third main grating X1 can be parallel to the first direction A1, it can be ensured that no new grating is introduced into the liquid crystal display module 000. In this way, under the premise that it can be ensured that no new grating is introduced into the liquid crystal display module 000, it can be ensured that the probability of mutual interference between the plurality of third main gratings X1 and the plurality of first main gratings is low, thereby reducing the generation of moiré in the liquid crystal display module 000, and further improving the display effect of the liquid crystal display module 000.

[0083] The second possible implementation is Figure 5 As shown, when the four main light-shielding blocks 2024 are arranged in a diamond shape, the four main light-shielding blocks 2024 are respectively: a first main light-shielding block 2024a and a second main light-shielding block 2024b arranged adjacent to each other in a first direction A1, and a third main light-shielding block 2024c and a fourth main light-shielding block 2024d arranged adjacent to each other in a second direction A2.

[0084] Among them, please refer to Figure 8 , Figure 8 It is a partial structural diagram of another black matrix layer provided in an embodiment of the present application. A plurality of main light shielding blocks 2024 can be used to form a plurality of third main gratings X1 arranged in an array, and the extension direction of the third main grating can intersect with the extension direction of the first main grating and be parallel to the first direction A1.

[0085] In this case, it can be ensured that there is an angle between the extension direction of the third main grating X1 and the extension direction of the first main grating, that is, the extension direction of the third main grating X1 intersects with the extension direction of the first main grating. In addition, since the extension direction of the third main grating X1 can be parallel to the first direction A1, it can be ensured that no new grating is introduced into the liquid crystal display module 000. In this way, under the premise that it can be ensured that no new grating is introduced into the liquid crystal display module 000, it can be ensured that the probability of mutual interference between the plurality of third main gratings X1 and the plurality of first main gratings is low, thereby reducing the generation of moiré in the liquid crystal display module 000, and further improving the display effect of the liquid crystal display module 000.

[0086] In this application, if Figure 8 As shown, the distance between the first main light-shielding block 2024a and the second main light-shielding block 2024b in the black matrix layer 202a can be smaller than the distance between the third main light-shielding block 2024c and the fourth main light-shielding block 2024d, and can be smaller than the distance between the first main light-shielding block 2024a and the third main light-shielding block 2024c.

[0087] The angle between the first main grating and the first direction A1 may range from 20° to 70° or from 110° to 160°. For example, the angle between the first main grating and the first direction A1 may be 45°. For another example, the angle between the first main grating and the first direction A1 may be 135°.

[0088] Optionally, the angle between the arrangement direction of the first main light shielding block 2024a and the third main light shielding block 2024c and the extension direction of the first main grating may be greater than 45° and less than or equal to 90°. For example, when the angle between the first main grating and the first direction A1 is 45°, the angle between the arrangement direction of the first main light shielding block 2024a and the third main light shielding block 2024c and the first direction A1 may be 100°.

[0089] In this way, the probability of mutual interference between the grating formed by the first main shading block 2024a and the third main shading block 2024c and the first main grating can be ensured to be low, thereby further reducing the generation of moiré patterns in the liquid crystal display module 000 and further improving the display effect of the liquid crystal display module 000.

[0090] In the examples of this application, please refer to Figure 9 , Figure 9 2 is a partial structural diagram of another black matrix layer provided in an embodiment of the present application. The multiple main light shielding blocks 2024 in the black matrix layer 202a are used to form multiple third main gratings X1 arranged in an array, and the extension direction of the third main grating X1 can intersect with the extension direction of the first main grating, and intersect with the first direction A1, and intersect with the second direction A2. In this way, the probability of mutual interference between the third main grating X1 formed by the multiple main light shielding blocks 2024 in the black matrix layer 202a and the first main grating can be reduced, thereby reducing the generation of moiré patterns in the liquid crystal display module.

[0091] In the examples of this application, please refer to Figure 10 , Figure 10It is a structural schematic diagram of another liquid crystal display module provided by an embodiment of the present application. The array substrate 201 in the liquid crystal display panel 200 includes: a first substrate 2011, and a plurality of thin film transistors 2012, an organic insulating layer 2013 and a plurality of pixel electrodes 2014 located on the first substrate 2011. The plurality of thin film transistors 2012 are located on a side of the organic insulating layer 2013 close to the first substrate 2011, and the plurality of pixel electrodes 2014 are located on a side of the organic insulating layer 2013 away from the first substrate 2011. The plurality of via holes 100a in the array substrate 201 can be located in the organic insulating layer 2013. The pixel electrode 2014 can be electrically connected to the thin film transistor 2012 through the via hole 100a.

[0092] For example, each thin film transistor 2012 in the array substrate 201 may include: a gate 2012a, an active layer 2012b insulated from the gate 2012a, and a first electrode 2012c and a second electrode 2012d overlapped with the active layer 2012b. The gate 2012a and the insulated active layer 2012b may be insulated by a gate insulating layer 2012f. In the present application, the plurality of thin film transistors 2012, the plurality of pixel electrodes 2014 and the plurality of vias in the array substrate 201 may correspond to each other. Each pixel electrode 2014 may be electrically connected to the first electrode 2012c in the corresponding thin film transistor 2012 through a corresponding via. It should be noted that the first electrode 2012c in the thin film transistor 2012 may be one of the source and the drain, and the second electrode 2012d in the thin film transistor 2012 may be the other of the source and the drain.

[0093] like Figure 10 As shown, the color filter substrate 202 in the liquid crystal display panel 200 includes: a second substrate 2025, and a color filter layer 2028 and a common electrode 2026 located on the second substrate 2025. The color filter layer 2028 generally includes: color filters of at least two colors, for example, the color filters of at least two colors include: a red filter, a green filter and a blue filter, and the liquid crystal display panel can display a color image through the color filter layer 2028. The common electrode 2026 is generally a planar electrode.

[0094] In the embodiment of the present application, in order to allow the liquid crystal molecules in the liquid crystal layer 204 in the liquid crystal display panel 200 to be regularly arranged, a first alignment film 2015 is provided on the side of the array substrate 100 away from the plurality of pixel electrodes 2014, and a second alignment film 2027 is provided on the side of the color filter substrate 202 away from the common electrode 2026. The liquid crystal layer 204 in the liquid crystal display panel 200 is in contact with the first alignment film 2015 and the second alignment film 2027, respectively, and the liquid crystal molecules in the liquid crystal layer 204 can be regularly arranged through the first alignment film 2015 and the second alignment film 2027.

[0095] In summary, an embodiment of the present application provides a liquid crystal display module, comprising: a backlight module and a liquid crystal display panel. Since the extension direction of the plurality of first main gratings arranged in an array formed by the first prism sheet in the backlight module can intersect with the extension direction of the plurality of second main gratings arranged in an array formed by the plurality of light shielding blocks, the probability of mutual interference between the plurality of first main gratings and the plurality of second main gratings can be reduced as much as possible, thereby reducing the generation of moiré patterns in the liquid crystal display module, and further improving the display effect of the liquid crystal display module.

[0096] It should be noted that in the accompanying drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. It is also understood that when an element or layer is referred to as being "on" another element or layer, it may be directly on the other element, or there may be an intermediate layer. In addition, it is understood that when an element or layer is referred to as being "under" another element or layer, it may be directly under the other element, or there may be more than one intermediate layer or element. In addition, it is also understood that when a layer or element is referred to as being "between" two layers or two elements, it may be the only layer between the two layers or two elements, or there may also be more than one intermediate layer or element. Similar reference numerals throughout the text indicate similar elements.

[0097] In the present application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The term "plurality" refers to two or more than two, unless otherwise clearly defined.

[0098] The above description is only an optional embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A liquid crystal display module, characterized in that: include: A backlight module (100), and a liquid crystal display panel (200) located on the light-emitting side of the backlight module (100); The backlight module (100) comprises a first prism sheet (101), wherein the first prism sheet (101) is used to form a plurality of first main gratings arranged in an array; The liquid crystal display panel (200) comprises: an array substrate (201) and a color film substrate (202) arranged opposite to each other, and a plurality of spacers (203) distributed between the array substrate (201) and the color film substrate (202); The color film substrate (202) has a black matrix layer (202a), the black matrix layer (202a) comprising: a plurality of light shielding blocks (202b) corresponding one-to-one to the plurality of spacers (203), the orthographic projections of the spacers (203) on the array substrate (201) being located within the orthographic projections of the corresponding light shielding blocks (202b) on the array substrate (201), and the plurality of light shielding blocks (202b) being used to form a plurality of second main gratings arranged in an array; Wherein, an extension direction of the first main grating intersects with an extension direction of the second main grating.

2. The liquid crystal display module according to claim 1, characterized in that: The black matrix layer (202a) further comprises: a plurality of first light shielding strips (2021) and a plurality of second light shielding strips (2022); the extension direction of the first light shielding strips (2021) is parallel to the first direction (A1), and the extension direction of the second light shielding strips (2022) is parallel to the second direction (A2); the first direction (A1) intersects with the second direction (A2), and a light shielding block (202b) is distributed at a position where one of the first light shielding strips (2021) and one of the second light shielding strips (2022) intersect; The plurality of light shielding blocks (202b) are arrayed in a plurality of columns in the first direction (A1), and are arrayed in a plurality of rows in the second direction (A2); a distance between two adjacent light shielding blocks in a row of the light shielding blocks (202b) in the first direction (A1) is smaller than a distance between two adjacent light shielding blocks in a column of the light shielding blocks (202b) in the second direction (A2); Wherein, the extension direction of the second main grating is parallel to the first direction (A1).

3. The liquid crystal display module according to claim 2, characterized in that: The plurality of spacers (203) include: a plurality of auxiliary spacers (203a) and a plurality of main spacers (203b), wherein the height of the main spacers (203b) is greater than the height of the auxiliary spacers (203a); The light-shielding block among the plurality of light-shielding blocks (202b) corresponding to the auxiliary spacer (203a) is an auxiliary light-shielding block (2023), and the light-shielding block among the plurality of light-shielding blocks (202b) corresponding to the main spacer (203b) is a main light-shielding block (2024); Wherein, the maximum width of the auxiliary shading block (2023) in a direction parallel to the array substrate (201) is less than or equal to the maximum width of the main shading block (2024) in a direction parallel to the array substrate (201).

4. The liquid crystal display module according to claim 3, characterized in that: The maximum width of the auxiliary shading block (2023) in a direction parallel to the array substrate (201) is less than or equal to 1.3 times the width of the first shading strip (2021) in the second direction (A2).

5. The liquid crystal display module according to claim 3, characterized in that: The maximum width of the main light-shielding block (2024) in a direction parallel to the array substrate (201) is less than or equal to 1.2 times the maximum width of the auxiliary light-shielding block (2023) in a direction parallel to the array substrate (201).

6. The liquid crystal display module according to any one of claims 3 to 5, characterized in that: The plurality of main light shielding blocks (2024) are arrayed in a plurality of columns in the first direction (A1), and are arrayed in a plurality of rows in the second direction (A2); Among them, any two adjacent rows of the main shading blocks (2024) and any two adjacent columns of the main shading blocks (2024) share four main shading blocks (2024), and the four main shading blocks (2024) are arranged in a rectangular shape or in a diamond shape.

7. The liquid crystal display module according to claim 6, characterized in that: In the case where the four main light-shielding blocks (2024) are arranged in a rectangular shape, the four main light-shielding blocks (2024) are respectively: a first main light-shielding block (2024a) and a second main light-shielding block (2024b) arranged adjacent to each other in the first direction (A1), and a third main light-shielding block (2024c) and a fourth main light-shielding block (2024d) arranged adjacent to each other in the first direction (A1), the first main light-shielding block (2024a) and the third main light-shielding block (2024c) are arranged adjacent to each other in the second direction (A2), and the second main light-shielding block (2024b) and the fourth main light-shielding block (2024d) are arranged adjacent to each other in the second direction (A2); The plurality of main shading blocks (2024) are used to form a plurality of third main gratings arranged in an array, and an extension direction of the third main gratings intersects with an extension direction of the first main gratings and is parallel to the first direction (A1) or the second direction (A2).

8. The liquid crystal display module according to claim 7, characterized in that: When the extension direction of the third main grating is parallel to the second direction (A2), the distance between the first main shading block (2024a) and the second main shading block (2024b) is greater than or equal to 1.5 times the distance between the first main shading block (2024a) and the third main shading block (2024c), and the angle range between the first main grating and the first direction (A1) is: 20° to 30° or 150° to 160°.

9. The liquid crystal display module according to claim 7, characterized in that: When the extension direction of the third main grating is parallel to the first direction (A1), the distance between the first main shading block (2024a) and the third main shading block (2024c) is greater than or equal to 1.5 times the distance between the first main shading block (2024a) and the second main shading block (2024b), and the angle range between the first main grating and the first direction (A1) is: 30° to 70° or 110° to 150°.

10. The liquid crystal display module according to claim 6, characterized in that: When the four main light-shielding blocks (2024) are arranged in a diamond shape, the four main light-shielding blocks (2024) are respectively: a first main light-shielding block (2024a) and a second main light-shielding block (2024b) arranged adjacent to each other in the first direction (A1), and a third main light-shielding block (2024c) and a fourth main light-shielding block (2024d) arranged adjacent to each other in the second direction (A2); The plurality of main shading blocks (2024) are used to form a plurality of third main gratings arranged in an array, and an extension direction of the third main gratings intersects with an extension direction of the first main gratings and is parallel to the first direction (A1).

11. The liquid crystal display module according to claim 10, characterized in that: The distance between the first main shading block (2024a) and the second main shading block (2024b) is smaller than the distance between the third main shading block (2024c) and the fourth main shading block (2024d), and smaller than the distance between the first main shading block (2024a) and the third main shading block (2024c).

12. The liquid crystal display module according to claim 11, characterized in that: The angle between the arrangement direction of the first main shading block (2024a) and the third main shading block (2024c) and the extension direction of the first main grating is greater than 45° and less than or equal to 90°.

13. The liquid crystal display module according to claim 12, characterized in that: The angle between the first main grating and the first direction (A1) ranges from 20° to 70° or from 110° to 160°.

14. The liquid crystal display module according to any one of claims 3 to 5, characterized in that: The plurality of main shading blocks (2024) are used to form a plurality of third main gratings arranged in an array, wherein an extension direction of the third main grating intersects with an extension direction of the first main grating, intersects with the first direction (A1), and intersects with the second direction (A2).

15. The liquid crystal display module according to any one of claims 1-5 and 7-13, characterized in that: The backlight module comprises: a light source component and a plurality of stacked optical films located on the light emitting side of the light source component, and the first prism sheet is the optical film farthest from the light source component among the plurality of optical films.

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