CN113721382A

CN113721382A - Liquid crystal display panel and liquid crystal display device

Info

Publication number: CN113721382A
Application number: CN202111006355.8A
Authority: CN
Inventors: 孙晓午; 康报虹
Original assignee: HKC Co Ltd
Current assignee: HKC Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-11-30

Abstract

The application provides a liquid crystal display panel and liquid crystal display device relates to and shows technical field, and this liquid crystal display panel includes: the color film substrate and the first array substrate which are arranged in a box-to-box mode, and the liquid crystal display panel further comprises: a display area and a peripheral area; in the peripheral area, a black matrix is arranged on one side, far away from the first array substrate, of the color film substrate, and/or a black matrix is arranged on one side, far away from the color film substrate, of the first array substrate. The black matrix is arranged in the peripheral area of one side of the color film substrate, which is far away from the first array substrate, and/or the black matrix is arranged in the peripheral area of one side of the first array substrate, which is far away from the color film substrate, so that the manufacturing process is simplified, the box thickness is not influenced, and the purpose of improving the production performance is achieved.

Description

Liquid crystal display panel and liquid crystal display device

Technical Field

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

Background

In the backlight liquid crystal display device, the color filter layer in the color filter substrate is disposed on the array substrate, and the array substrate is called a coa (color filter on array) type array substrate. For a color film substrate, in the prior art, when a color filter layer is prepared, 5 exposure processes are required to be performed on a Black Matrix (BM), a red color resist layer, a green color resist layer, a blue color resist layer, and a columnar spacer (PS); for the COA type array substrate, 4 exposure processes are required to be performed on the black matrix, the red color resist layer, the green color resist layer and the blue color resist layer, the number of processes is large, and the productivity is low.

In order to solve the above problems, it is desirable to replace the black matrix in the light-shielding region with a stacked red color resist layer and a blue color resist layer, but the height of the stacked layers is higher than that of the original black matrix, so that the cell thickness gap is reduced, and the reduction of the cell thickness gap causes other problems. Therefore, a liquid crystal display panel which is easy to manufacture and does not affect the cell thickness gap is needed.

Disclosure of Invention

The embodiment of the application provides a liquid crystal display panel and a liquid crystal display device, and the black matrix is arranged in the peripheral area of one side, far away from the array substrate, of the color film substrate, and/or the black matrix is arranged in the peripheral area of one side, far away from the color film substrate, of the array substrate, so that the purposes of reducing the manufacturing process, not influencing the box thickness and improving the production performance are achieved.

In order to achieve the purpose, the technical scheme is as follows:

in a first aspect, there is provided a liquid crystal display panel including: the color film substrate and the first array substrate are arranged oppositely, and the liquid crystal display panel further comprises: a display area and a peripheral area; in the peripheral area, a black matrix is arranged on one side of the color film substrate far away from the first array substrate, and/or the black matrix is arranged on one side of the first array substrate far away from the color film substrate.

The embodiment of the application provides a liquid crystal display panel, and the black matrix is arranged in the peripheral area of one side of a color film substrate far away from a first array substrate, and/or the black matrix is arranged in the peripheral area of one side of the first array substrate far away from the color film substrate, so that the box thickness is not influenced while the shading is achieved.

With reference to the first aspect, as a possible implementation manner, the display area includes a plurality of sub-pixel areas arranged in an array, and a light-shielding area located between the sub-pixel areas, where the sub-pixel areas include a red sub-pixel area and a blue sub-pixel area; in the display area, a red color resistance layer and a blue color resistance layer are laid on one side, close to the first array substrate, of the color film substrate, the red color resistance layer covers the red sub-pixel area and the shading area, and the blue color resistance layer covers the blue sub-pixel area and the shading area; the red color resistance layer and the blue color resistance layer are stacked on the light shielding area. In the implementation mode, compared with the existing structure that a red color resistance layer and a blue color resistance layer are required to be prepared and a black matrix is required to be prepared in a light shielding area, the method only needs to be carried out when the red color resistance layer and the blue color resistance layer are prepared and the light shielding area is covered with the red color resistance layer and the blue color resistance layer. Therefore, the exposure process can be reduced by 1, and the productivity is improved.

With reference to the first aspect, as a possible implementation manner, on the color film substrate, a portion of the blue color resistance layer located in the light-shielding region is located at a side close to the first array substrate.

With reference to the first aspect, as a possible implementation manner, a common electrode layer is further laid on one side of the color film substrate close to the first array substrate, and a pixel electrode layer is laid on one side of the first array substrate close to the color film substrate; in the peripheral area, a gap between the common electrode layer and the pixel electrode layer is 3 μm to 6 μm.

In a second aspect, there is provided a liquid crystal display panel comprising: the liquid crystal display panel further includes an opposite substrate and a second array substrate provided to the cell: a display area and a peripheral area; in the peripheral area, a black matrix is arranged on a side of the opposite substrate far away from the second array substrate, and/or the black matrix is arranged on a side of the second array substrate far away from the opposite substrate.

The embodiment of the application provides a liquid crystal display panel, and the black matrix is arranged in the peripheral area of the opposite substrate at one side far away from the second array substrate, and/or the black matrix is arranged in the peripheral area of the second array substrate at one side far away from the opposite substrate, so that the light shielding effect is achieved, and meanwhile, the box thickness is not influenced.

With reference to the second aspect, as a possible implementation manner, the display area includes a plurality of sub-pixel areas arranged in an array, and a light-shielding area located between the sub-pixel areas, where the sub-pixel areas include a red sub-pixel area and a blue sub-pixel area; in the display area, a red color resistance layer and a blue color resistance layer are laid on one side, close to the opposite substrate, of the second array substrate, the red color resistance layer covers the red sub-pixel area and the light shielding area, and the blue color resistance layer covers the blue sub-pixel area and the light shielding area; the red color resistance layer and the blue color resistance layer are stacked on the light shielding area. In the implementation mode, compared with the existing structure that a red color resistance layer and a blue color resistance layer are required to be prepared and a black matrix is required to be prepared in a light shielding area, the method only needs to be carried out when the red color resistance layer and the blue color resistance layer are prepared and the light shielding area is covered with the red color resistance layer and the blue color resistance layer. Therefore, the exposure process can be reduced by 1, and the productivity is improved.

With reference to the second aspect, as a possible implementation manner, on the second array substrate, a portion of the blue color resistance layer located in the light shielding region is located on a side close to the opposite substrate.

With reference to the second aspect, as a possible implementation manner, a common electrode layer is further laid on one side of the opposite substrate close to the second array substrate, and a pixel electrode layer is laid on one side of the second array substrate close to the opposite substrate; in the peripheral area, a gap between the common electrode layer and the pixel electrode layer is 3 μm to 6 μm.

In a third aspect, a liquid crystal display device is provided, which includes the liquid crystal display panel described in any one implementation manner of the first aspect and the first aspect, and the liquid crystal display panel further includes a liquid crystal layer disposed between the color film substrate and the first array substrate.

For the beneficial effects of the third aspect, reference may be made to the contents in the first aspect, which is not described herein again.

In a fourth aspect, a liquid crystal display device is provided, which includes the liquid crystal display panel described in any implementation manner of the second aspect and the liquid crystal display panel further includes a liquid crystal layer disposed between the counter substrate and the second array substrate.

The beneficial effects of the fourth aspect can refer to the contents of the second aspect, and are not described herein again.

Drawings

Fig. 1 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of another liquid crystal display device provided in the second embodiment of the present application;

fig. 3 is a schematic structural diagram of a first liquid crystal display panel according to a third embodiment of the present application;

fig. 4 is a schematic structural diagram of a second liquid crystal display panel according to a third embodiment of the present application;

fig. 5 is a schematic structural diagram of a third liquid crystal display panel according to a third embodiment of the present application;

fig. 6 is a schematic structural diagram of a first liquid crystal display panel according to a fourth embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a second liquid crystal display panel according to a fourth embodiment of the present application;

fig. 8 is a schematic structural diagram of a third liquid crystal display panel according to a fourth embodiment of the present application.

Reference numerals:

1-a frame; 2-cover plate; 3-a liquid crystal display module; 4-a backlight module; 5-a circuit board; 10-a display area; 11-a sub-pixel region; 111-red subpixel areas; 112-green sub-pixel area; 113-blue sub-pixel area; 12-a shading area; 20-a peripheral zone; 30-a liquid crystal display panel; 31-a first array substrate; 311-a second substrate base plate; 312-routing; 313-pixel electrode layer; 32-a counter substrate; 321-a first substrate base plate; 322-common electrode layer; 33-a liquid crystal layer; 34-an upper polarizing layer; 35-a lower polarizing layer; 36-a color film substrate; 37-black matrix; a 38-COA type array substrate; 330-color filter layer; 331-red color resist layer; 332-green color resist layer; 333-blue color resist layer; 340-column spacer; 350-columnar microparticles; 360-gold ball.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art. The terms "first," "second," and the like as used in the description and in the claims of the present application do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless otherwise specified.

The directional terms "left", "right", "upper" and "lower" are defined with respect to the orientation in which the display assembly is schematically placed in the drawings, and it is to be understood that these directional terms are relative concepts, which are used for descriptive and clarifying purposes, and may be changed accordingly according to the change of the orientation in which the array substrate or the display device is placed.

Example one

In the embodiments of the present application, a liquid crystal display device is exemplified as a backlight type liquid crystal display device. Fig. 1 is a schematic structural diagram illustrating a backlight type liquid crystal display device according to an embodiment of the present disclosure.

As shown in fig. 1, the main structure of the liquid crystal display device includes a frame 1, a cover plate 2, a liquid crystal display module 3, a backlight module 4, a circuit board 5, and other electronic components including a camera. The liquid crystal display module 3 includes a liquid crystal display panel 30, an upper polarizing layer 34 disposed on a side of the liquid crystal display panel 30 close to the cover plate 2, and a lower polarizing layer 35 disposed on a side of the liquid crystal display panel 30 close to the backlight module. The liquid crystal display panel 30 includes a first array substrate 31, an opposite substrate 32, and a liquid crystal layer 33 disposed between the first array substrate 31 and the opposite substrate 32, wherein the first array substrate 31 and the opposite substrate 32 are coupled together by a sealant (sealant), so that the liquid crystal layer 33 is limited in a region surrounded by the sealant. The color filter layer 330 is usually disposed on the opposite substrate 32, and the opposite substrate 32 is referred to as a color filter substrate 36.

It is to be understood that the color filter layer 330 functions to filter the white light emitted from the first array substrate 31 into light of different colors. The color filter layer 330 generally includes three primary color resistance units arranged in an array, for example, the three primary color resistance units include a red color resistance layer 331, a green color resistance layer 332, and a blue color resistance layer 333. The red color barrier layer 331 may filter the white light emitted from the first array substrate 31 into red light, the green color barrier layer 332 may filter the white light emitted from the first array substrate 31 into green light, and the blue color barrier layer 333 may filter the white light emitted from the first array substrate 31 into blue light. Of course, the color filter layer 330 may further include other color resistance units, and the embodiment of the present application takes three primary color resistance units as an example for description.

As shown in fig. 1, taking the longitudinal section of the frame 1 as a U-shape as an example, the liquid crystal display module 3, the backlight module 4, the circuit board 5 and other electronic accessories including a camera and the like are disposed in the frame 1, the backlight module 4 is located below the liquid crystal display module 3, the circuit board 5 is located between the backlight module 4 and the frame 1, and the cover plate 2 is located on one side of the liquid crystal display module 3 away from the backlight module 4. The cover plate 2 may be, for example, transparent glass.

It should be understood that the display principle of the liquid crystal display device in fig. 1 is: the backlight module 4 emits white light, which passes through the lower polarizing layer 35 to form white polarized light with a specific polarization direction, and the white polarized light is incident to the first array substrate 31, adjusted by the liquid crystal layer 33, and filtered by the color filter layer 330 on the color film substrate 36 to form polarized light of three primary colors of red, green and blue. When the polarization direction of the polarized light of the three primary colors is perpendicular to the polarization direction of the upper polarizing layer 34, the polarized light of the three primary colors cannot pass through the upper polarizing layer 34, and no light exits at this time; when the polarization direction of the polarized light with three primary colors is parallel to the polarization direction of the upper polarizing layer 34, the polarized light with three primary colors can pass through the upper polarizing layer 34, and the intensity of the emergent light is strongest at this time. It should be understood that since the liquid crystal molecules have a polarization property to polarized light, the specific arrangement direction of the liquid crystal molecules can change the polarization direction of the polarized light passing through the liquid crystal layer 33, so that when the arrangement direction of the liquid crystal molecules is rotated under the control of the electric field applied by the pixel electrodes and the common electrode, the polarized light of three primary colors can regularly transmit or not transmit the upper polarizing layer 34, and finally a color image is formed.

Based on the liquid crystal display device shown in fig. 1, the propagation order of the optical path is: the backlight module 4 emits light through the lower polarizing layer 35, the first array substrate 31, the liquid crystal layer 33, the color film substrate 36, the upper polarizing layer 34, and the emission cover plate 2 in sequence.

The structure and the display principle of the liquid crystal display device provided by the embodiment of the present application are briefly described above. The following description of the embodiments of the present application proposes another liquid crystal display device.

Example two

Fig. 2 shows a schematic structural diagram of another liquid crystal display device.

As shown in fig. 2, in the liquid crystal display device, the liquid crystal display panel 30 prepares the color filter layer 330 on the second array substrate. At this time, the second array substrate may be referred to as a COA type array substrate 38, and since there is no alignment problem when the COA type array substrate 38 and the opposite substrate 32 are aligned, difficulty of the alignment process in the preparation process of the liquid crystal display panel 30 may be reduced, and errors in the alignment process may be avoided. Other structures are the same as those of the liquid crystal display device shown in fig. 1, and are not described herein again.

It should be understood that the display principle of the liquid crystal display device in fig. 2 is: the backlight module 4 emits white light, white polarized light in a specific direction is formed through the lower polarizing layer 35 and enters the COA type array substrate 38, red, green and blue three-primary-color polarized light is formed through filtering by the color filter layer 330 on the COA type array substrate 38, and then the polarized light is adjusted by the liquid crystal layer 33 and regularly passes through or does not pass through the upper polarizing layer 34, so that a color image is finally formed.

Based on the structure of the liquid crystal display device shown in fig. 2, the propagation order of the optical paths is: the backlight module 4 emits light through the lower polarizing layer 34, the COA type array substrate 38, the liquid crystal layer 33, the opposite substrate 32, the upper polarizing layer 34, and the emission cover plate 2 in this order.

The structure and the display principle of the liquid crystal display device not including the COA type array substrate 38, and the liquid crystal display device including the COA type array substrate 38 are described in detail above. The two liquid crystal display devices provided by the embodiments of the present application may be various electronic devices, or the two liquid crystal display devices may be applied to various electronic devices.

For example, the electronic device may be a smartphone, a tablet computer, an electronic reader, a vehicle-mounted computer, a navigator, a digital camera, a smart television, a smart wearable device, and other electronic devices of various types. The liquid crystal display device provided by the embodiment of the application has very wide application prospect.

The liquid crystal display panel 30 included in the two liquid crystal display devices will be described below. In the two liquid crystal display panels 30, in order to avoid interference of three colors of red, green and blue in the color filter layer, it is generally necessary to lay a black matrix between the red resist layer 331, the green resist layer 332 and the blue resist layer 333 for shielding.

For example, in the liquid crystal display panel 30 shown in fig. 1, in addition to providing the color filter layer and the black matrix on the counter substrate 32, a columnar spacer 340 is provided on the black matrix on the side close to the liquid crystal layer 33 in order to form a gap for filling the liquid crystal when the cell is aligned. Thus, in the preparation of the

counter substrate

32, 5 exposure processes of the black matrix, the red resist layer 331, the green resist layer 332, the blue resist layer 333, and the columnar spacer 340 are required, which is time-consuming, labor-consuming, and low in productivity. In the case of the liquid crystal display panel 30 shown in fig. 2, when the COA type array substrate 38 is prepared, 4 exposure processes of the black matrix, the red resist layer 331, the green resist layer 332, and the blue resist layer 333 are also required, which is relatively complicated.

In order to reduce the number of process steps and increase the throughput, the prior art provides a method for replacing the black matrix. For example, because the penetration rate of the materials corresponding to the red color resistor and the blue color resistor is relatively low, when the red color resistor layer 331 is prepared, the red color resistor is also laid at the position corresponding to the original black matrix; when the blue color resistance layer is prepared, the blue color resistance is laid at the position corresponding to the original black matrix, namely, the black matrix is replaced by the superposition of the red color resistance and the blue color resistance, so that the function of shading the original black matrix is achieved. Thus, the number of the exposure processes of 1 pass can be reduced for the liquid crystal display panel of fig. 1 or fig. 2, and the productivity can be relatively improved.

However, the thickness of the stacked red and blue color resists is larger than the original thickness of the black matrix, which causes the problem that the thick gap of the liquid crystal cell is reduced at the position of the stacked red and blue color resists, and severely limits the product design. For example, first, it is difficult to have gold balls (Au balls) and supporting micro-particles (spacers) with such small diameters on the market to satisfy the reduced cell thickness gap; secondly, the gate drives the wiring on the array substrate, i.e., the wiring of the data line fan-shaped region (Fanout) and the size of the GOA circuit region need to be adjusted, which results in an excessive load; thirdly, the width of the frame sealing glue after pressing is too wide, so that narrow frame products cannot be manufactured.

In view of the above, embodiments of the present disclosure provide a liquid crystal display panel, in the corresponding position of the peripheral area, the black matrix is sprayed on the peripheral area of the outer side or both sides of the liquid crystal display panel instead of stacking the red color resists and the blue color resists to replace the black matrix, so as to achieve the purpose of shielding light.

Hereinafter, a liquid crystal display panel provided in an embodiment of the present application will be described in detail with reference to the accompanying drawings.

EXAMPLE III

Fig. 3 to fig. 5 respectively show structural schematic diagrams of a liquid crystal display panel 30 according to an embodiment of the present application. As shown in fig. 3 to fig. 5, an embodiment of the present application provides a liquid crystal display panel 30, including a color film substrate 36 and a first array substrate 31 which are arranged in a box-to-box manner, where the liquid crystal display panel 30 further includes: a display area 10 and a peripheral area 20.

It should be understood that the display area 10 is used for displaying images, and the peripheral area 20 is used for other functions such as wiring and not used for displaying images.

It should be understood that the peripheral area 20 is located at least one side of the periphery of the display area 10, or alternatively, the peripheral area 20 may be disposed around the display area 10. For example, when the display region 10 has a rectangular shape, the peripheral region 20 refers to a region surrounding four sides of the display region 10. The widths of the regions surrounding the display region 10 may be the same or different, and this is not limited in this embodiment of the application.

In the peripheral area 20, the color filter substrate 36 is provided with a black matrix 37 on a side away from the first array substrate 31, and/or the first array substrate 31 is provided with a black matrix 37 on a side away from the color filter substrate 36.

The above can also be expressed as: as shown in fig. 3, the color filter substrate 36 is provided with a black matrix 37 on a side away from the first array substrate 31, and the first array substrate 31 is not provided with the black matrix 37 on a side away from the color filter substrate 36.

Alternatively, as shown in fig. 4, the color filter substrate 36 is not provided with the black matrix 37 on the side away from the first array substrate 31, and the first array substrate 31 is provided with the black matrix 37 on the side away from the color filter substrate 36.

Alternatively, as shown in fig. 5, the color filter substrate 36 is provided with a black matrix 37 on a side away from the first array substrate 31, and the first array substrate 31 is also provided with a black matrix 37 on a side away from the color filter substrate 36.

It should be understood that the color filter substrate 36 includes a color filter layer 330 in the display area 10, and illustratively, the color filter layer 330 includes a red color resist layer 331, a green color resist layer 332 and a blue color resist layer 333, so as to filter the white light provided by the backlight module into light rays of respective corresponding colors.

It should be understood that, for the color filter substrate 36, the black matrix 37 is disposed in the peripheral region 20 and on the side close to the first array substrate 31, or for the color filter substrate 36, the red color resist layer 331 and the blue color resist layer 333 are stacked to form a light-shielding layer in the peripheral region 20, instead of the black matrix 37, in the present application, the black matrix 37 is disposed on the side of the color filter substrate 36 away from the first array substrate 31, so that the occupation of the box thickness space in the peripheral region 20 can be reduced, the box thickness is not affected, further, the sizes of gold balls and supporting fine particles do not need to be changed, the load of the traces 312 in the peripheral region 20 is not increased, and the width after the frame sealing glue is pressed is not too wide.

It should be understood that in the peripheral area 20, the black matrix 37 is disposed on the side of the color filter substrate 36 away from the first array substrate 31, and/or the black matrix 37 is disposed on the side of the first array substrate 31 away from the color filter substrate 36, and the black matrix material may be sprayed in a spraying manner, which is convenient and simple.

In the peripheral region 20, the thickness of the black matrix 37 sprayed on the side of the color film substrate 36 away from the first array substrate 31 may be the same as or different from the thickness of the black matrix 37 sprayed on the side of the first array substrate 31 away from the color film substrate 36, which is not limited in this embodiment.

It should be understood that in the peripheral area 20, the black matrix 37 is simultaneously sprayed on the side of the color filter substrate 36 away from the first array substrate 31 and the side of the first array substrate 31 away from the color filter substrate 36, so that the shading effect is better than that of the spraying side alone.

Alternatively, as a possible implementation manner, as shown in fig. 3 to 5, the display area 10 includes a plurality of sub-pixel areas 11 arranged in an array, and a light-shielding area 12 located between the sub-pixel areas 11, and the sub-pixel area 11 includes a red sub-pixel area 111 and a blue sub-pixel area 113.

In the display area 10, a red color resist layer 331 and a blue color resist layer 333 are laid on the color film substrate 36 on a side close to the first array substrate 31, the red color resist layer 331 covers the red sub-pixel area 111 and the light-shielding area 12, and the blue color resist layer 333 covers the blue sub-pixel area 113 and the light-shielding area 12; the red color resist layer 331 and the blue color resist layer 333 are stacked on the light-shielding region 12.

It should be understood that the red resist layer 331 covering the red sub-pixel region 111 and the light-shielding region 12 only needs to use 1 exposure process during the preparation; the blue color resist 333 covering the blue sub-pixel region 113 and the light-shielding region 12 is prepared by only 1 exposure process. In this way, in contrast to the conventional configuration in which the red resist layer 331 and the blue resist layer 333 need to be prepared and the black matrix 37 needs to be prepared in the light-shielding region 12, the present application only needs to cover the light-shielding region 12 at the same time when the red resist layer 331 and the blue resist layer 333 are prepared. Therefore, the exposure process can be reduced by 1, and the productivity is improved.

It should be understood that when the red color resist layer 331 is first laid, a portion of the red color resist layer 331 located in the light-shielding region 12 is on a side of a portion of the blue color resist layer 333 located in the light-shielding region 12 away from the first array substrate 31. When the blue color resist layer 333 is first applied, a portion of the blue color resist layer in the light-shielding region 12 is on a side of a portion of the red color resist layer 331 in the light-shielding region 12 away from the first array substrate 31.

Optionally, on the color filter substrate 36, a portion of the blue color resist layer located in the light-shielding region 12 is located on a side close to the first array substrate 31.

It should be understood that the red color resist layer 331 and the blue color resist layer 333 located in the light-shielding region 12 are stacked to mix the color of the light passing therethrough, so as to achieve a black-like effect for the purpose of shielding light.

In addition, as shown in fig. 3 to 5, the sub-pixel region 11 further includes a green sub-pixel region 112, in the display region 10, a green color resist layer 332 is disposed on a side of the color film substrate 36 close to the first array substrate 31, and the green color resist layer 332 covers the green sub-pixel region 112. It should be understood that the green color resist layer 332 is only used to filter white light into green light, and has no effect on blocking light.

Optionally, as a possible implementation manner, a common electrode layer 322 is further laid on a side of the color filter substrate 36 close to the first array substrate 31, and a pixel electrode layer 313 is laid on a side of the first array substrate 31 close to the color filter substrate 36.

In the peripheral region 20, a gap between the common electrode layer 322 and the pixel electrode layer 313 is 3 to 6 μm.

As shown in fig. 3 to 5, the color filter substrate 36 includes a first substrate 321, a color filter layer 330 is correspondingly disposed on one side of the first substrate 321 close to the first array substrate 31 and in the display area 10, and a common electrode layer 322 is laid on one side of the color filter layer 330 close to the first array substrate 31; meanwhile, in the peripheral region 20, the common electrode layer 322 is laid on the first substrate base 321 on the side close to the first array base 31. It is to be understood that the common electrode layer 322 in the display region 10 and the peripheral region 20 may be simultaneously prepared at the time of preparation.

For example, as shown in fig. 3 to 5, the first array substrate 31 includes a second substrate 311, and in the display region 10, a pixel electrode layer 313 is disposed on a side of the second substrate 311 close to the color filter substrate 36; meanwhile, in the peripheral region 20, a trace 312 is further disposed on one side of the second substrate 311 close to the color filter substrate 36, and a pixel electrode layer 313 is laid on one side of the trace 312 close to the color filter substrate 36.

On the basis, in the display area 10, a columnar spacer 340 is further disposed on the common electrode layer 322 on a side close to the first array substrate 31 and in the light shielding area 12; in the peripheral region 20, columnar fine particles 350 and gold balls 360 are further provided in the common electrode layer 322 and the pixel electrode layer 313.

Example four

Fig. 6 to fig. 8 respectively show structural schematic diagrams of a liquid crystal display panel provided in an embodiment of the present application. As shown in fig. 6 to 8, the present embodiment provides a liquid crystal display panel 30, including a counter substrate 32 and a COA type array substrate 38, which are provided to a cell, the liquid crystal display panel 30 further including: a display area 10 and a peripheral area 20.

In the peripheral region 20, the counter substrate 32 is provided with the black matrix 37 on a side away from the COA type array substrate 38, and/or the COA type array substrate 38 is provided with the black matrix 37 on a side away from the counter substrate 32.

The above can also be expressed as: as shown in fig. 6, the counter substrate 32 is provided with the black matrix 37 on the side away from the COA type array substrate 38, and the COA type array substrate 38 is not provided with the black matrix 37 on the side away from the counter substrate 32.

Alternatively, as shown in fig. 7, the counter substrate 32 is not provided with the black matrix 37 on the side away from the COA type array substrate 38, and the COA type array substrate 38 is provided with the black matrix 37 on the side away from the counter substrate 32.

Alternatively, as shown in fig. 8, the counter substrate 32 is provided with the black matrix 37 on the side away from the COA type array substrate 38, and the COA type array substrate 38 is also provided with the black matrix 37 on the side away from the counter substrate 32.

It should be understood that the opposite substrate 32 does not include the color filter layer 330, but the COA type array substrate 38 includes the color filter layer 330 in the display area 10, and illustratively, the color filter layer 330 includes a red color resist layer 331, a green color resist layer 332 and a blue color resist layer 333, so as to filter the white light provided by the backlight module into the light of the corresponding color.

It should be understood that, for the case that the black matrix 37 is disposed in the peripheral region 20 and on the side close to the opposite substrate 32 with respect to the COA type array substrate 38, or the light shielding layer is formed by stacking the red color resist layer 331 and the blue color resist layer 333 with respect to the COA type array substrate 38 in the peripheral region 20, instead of the black matrix 37, the black matrix 37 is disposed on the side away from the opposite substrate 32 with respect to the COA type array substrate 38, so that the occupation of the box thickness space in the peripheral region 20 can be reduced, the box thickness is not affected, the sizes of the gold balls and the supporting particles do not need to be changed, the load of the traces 312 in the peripheral region 20 is not increased, and the width after the frame sealing glue is laminated is not too wide.

It should be understood that in the peripheral area 20, the black matrix 37 is disposed on the side of the counter substrate 32 away from the COA type array substrate 38, and/or the black matrix 37 is disposed on the side of the COA type array substrate 38 away from the counter substrate 32, and the black matrix material may be sprayed by spraying, which is convenient and simple.

In the peripheral area 20, the thickness of the black matrix 37 sprayed on the side of the counter substrate 32 away from the COA type array substrate 38 may be the same as or different from the thickness of the black matrix 37 sprayed on the side of the COA type array substrate 38 away from the counter substrate 32, which is not limited in this embodiment.

It is to be understood that in the peripheral area 20, the black matrix 37 is simultaneously sprayed on the side of the counter substrate 32 away from the COA type array substrate 38 and on the side of the COA type array substrate 38 away from the counter substrate 32, and the light shielding effect is achieved more than that of the side sprayed alone.

The embodiment of the application provides a liquid crystal display panel, and the black matrix is arranged in the peripheral area of the side, far away from the COA type array substrate, of the opposite substrate, and/or the black matrix is arranged in the peripheral area of the side, far away from the opposite substrate, of the COA type array substrate, so that the box thickness is not influenced while the light shielding effect is achieved.

Alternatively, as a possible implementation manner, as shown in fig. 6 to 8, the display area 10 includes a plurality of sub-pixel areas 11 arranged in an array, and a light-shielding area 12 located between the sub-pixel areas 11, and the sub-pixel area 11 includes a red sub-pixel area 111 and a blue sub-pixel area 113.

In the display region 10, the COA type array substrate 38 is provided with a red resist layer 331 and a blue resist layer 333 on a side close to the counter substrate 32, the red resist layer 331 covers the red sub-pixel region 111 and the light-shielding region 12, and the blue resist layer 333 covers the blue sub-pixel region 113 and the light-shielding region 12; the red color resist layer 331 and the blue color resist layer 333 are stacked on the light-shielding region 12.

It should be understood that when the red resist layer 331 is first laid, a portion of the red resist layer 331 located in the light-shielding region 12 is on a side of a portion of the blue resist layer 333 located in the light-shielding region 12 near the COA type array substrate 38. When the blue resist layer 333 is first applied, the portion of the blue resist layer 333 located in the light-shielding region 12 is located on the side of the portion of the red resist layer 331 located in the light-shielding region 12 close to the COA type array substrate 38.

Alternatively, on the COA type array substrate 38, a portion of the blue color resist layer 333 located in the light shielding region 12 is located on a side close to the opposite substrate 32.

As shown in fig. 6 to 8, the sub-pixel region 11 further includes a green sub-pixel region 112, and in the display region 10, a green resist layer 332 is provided on the COA type array substrate 38 on a side close to the counter substrate 32, and the green resist layer 332 covers the green sub-pixel region 112. It should be understood that the green color resist layer 332 is only used to filter white light into green light, and has no effect on blocking light.

Optionally, as a possible implementation manner, the side of the counter substrate 32 close to the COA type array substrate 38 is further laid with a common electrode layer 322, and the side of the COA type array substrate 38 close to the counter substrate 32 is laid with a pixel electrode layer 313.

As shown in fig. 6 to 8, the COA type array substrate 38 includes a second substrate 311, in the display area 10, a color filter layer 330 is disposed on a side of the second substrate 311 close to the opposite substrate 32 and in the display area 10, and a pixel electrode layer 313 is disposed on a side of the color filter layer 330 close to the opposite substrate 32; meanwhile, in the peripheral region 20, the routing lines 312 are laid on the side of the second substrate base plate 311 close to the opposite base plate 32, and the pixel electrode layer 313 is arranged on the side of the routing lines 312 far from the second substrate base plate 311. It is to be understood that the pixel electrode layer 313 in the display area 10 and the peripheral area 20 may be simultaneously prepared at the time of preparation.

For example, as shown in fig. 6 to 8, the opposite substrate 32 includes a first substrate 321, and a common electrode layer 322 is disposed on a side of the first substrate 321 close to the COA type array substrate 38 in the display region 10 and the peripheral region 20.

On the basis, in the display area 10, a column spacer 340 is further disposed on one side of the common electrode layer 322 close to the COA type array substrate 38 and in the light shielding area 12; in the peripheral region 20, columnar fine particles 350 and gold balls 360 are further provided in the common electrode layer 322 and the pixel electrode layer 313.

An embodiment of the present application provides a liquid crystal display device, including the liquid crystal display panel 30 as shown in any one of fig. 3 to 5, where the liquid crystal display panel 30 further includes a liquid crystal layer 33 disposed between a color film substrate 36 and a first array substrate 31.

The embodiment of the application provides a liquid crystal display device, a black matrix is arranged in a peripheral area of one side, far away from a first array substrate, of a color film substrate in a liquid crystal display panel, and/or the black matrix is arranged in the peripheral area of one side, far away from the color film substrate, of the first array substrate, so that the box thickness cannot be influenced while the shading is achieved.

The embodiment of the present application provides a liquid crystal display device, which includes the liquid crystal display panel as shown in any one of fig. 6 to 8, and the liquid crystal display panel 30 further includes a liquid crystal layer 33 disposed between the counter substrate 32 and the COA type array substrate 38.

The embodiment of the application provides a liquid crystal display device, wherein a black matrix is arranged in a peripheral area of one side, away from a COA type array substrate, of a counter substrate in a liquid crystal display panel, and/or the black matrix is arranged in the peripheral area of one side, away from the counter substrate, of the COA type array substrate, so that light shielding is achieved, and meanwhile box thickness is not affected.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a liquid crystal display panel, includes various membrane base plate and the first array base plate of box setting, liquid crystal display panel still includes display area and peripheral region, its characterized in that:

in the peripheral area, a black matrix is arranged on one side of the color film substrate far away from the first array substrate, and/or the black matrix is arranged on one side of the first array substrate far away from the color film substrate.

2. The liquid crystal display panel according to claim 1, wherein the display region comprises a plurality of sub-pixel regions arranged in an array and a light-shielding region located between the sub-pixel regions, the sub-pixel regions comprising a red sub-pixel region and a blue sub-pixel region;

in the display area, a red color resistance layer and a blue color resistance layer are laid on one side, close to the first array substrate, of the color film substrate, the red color resistance layer covers the red sub-pixel area and the shading area, and the blue color resistance layer covers the blue sub-pixel area and the shading area; the red color resistance layer and the blue color resistance layer are stacked on the light shielding area.

3. The liquid crystal display panel according to claim 2, wherein the portion of the blue color resist layer on the color filter substrate in the light-shielding region is located on a side close to the first array substrate.

4. The liquid crystal display panel according to claim 1, wherein a common electrode layer is further laid on one side of the color film substrate close to the first array substrate, and a pixel electrode layer is laid on one side of the first array substrate close to the color film substrate;

in the peripheral area, a gap between the common electrode layer and the pixel electrode layer is 3 μm to 6 μm.

5. The utility model provides a liquid crystal display panel, includes opposition base plate and the second array substrate to the box setting, liquid crystal display panel still includes display area and peripheral region, its characterized in that:

in the peripheral area, a black matrix is arranged on a side of the opposite substrate far away from the second array substrate, and/or the black matrix is arranged on a side of the second array substrate far away from the opposite substrate.

6. The liquid crystal display panel according to claim 5, wherein the display region comprises a plurality of sub-pixel regions arranged in an array and a light-shielding region located between the sub-pixel regions, the sub-pixel regions comprising a red sub-pixel region and a blue sub-pixel region;

in the display area, a red color resistance layer and a blue color resistance layer are laid on one side, close to the opposite substrate, of the second array substrate, the red color resistance layer covers the red sub-pixel area and the light shielding area, and the blue color resistance layer covers the blue sub-pixel area and the light shielding area; the red color resistance layer and the blue color resistance layer are stacked on the light shielding area.

7. The liquid crystal display panel according to claim 6, wherein a portion of the blue color resist layer located in the light-shielding region is located on a side close to the counter substrate on the second array substrate.

8. The liquid crystal display panel according to claim 1, wherein a common electrode layer is further disposed on a side of the opposite substrate close to the second array substrate, and a pixel electrode layer is disposed on a side of the second array substrate close to the opposite substrate;

9. A liquid crystal display device, comprising the liquid crystal display panel according to any one of claims 1 to 4, and further comprising a liquid crystal layer disposed between the color film substrate and the first array substrate.

10. A liquid crystal display device comprising the liquid crystal display panel according to any one of claims 5 to 8, further comprising a liquid crystal layer disposed between the counter substrate and the second array substrate.