WO2019057074A1

WO2019057074A1 - Color filter substrate and liquid crystal display apparatus

Info

Publication number: WO2019057074A1
Application number: PCT/CN2018/106471
Authority: WO
Inventors: 何怀亮
Original assignee: 惠科股份有限公司
Priority date: 2017-09-22
Filing date: 2018-09-19
Publication date: 2019-03-28
Also published as: CN107450242A

Abstract

A color filter substrate (10), comprising a color filter layer (11) and a common electrode layer (13), which are arranged in a stacked manner. The color filter layer (11) comprises multiple colored regions (111) distributed in rows and columns, and each of the colored regions (111) contains multiple colored sub-regions of different colors. The common electrode layer (13) comprises multiple common electrode regions (131) respectively corresponding to the multiple colored sub-regions, and each of the common electrode regions (131) is formed, in a column direction, with a first hollowed pattern (1311) and a second hollowed pattern (1313), which are arranged at intervals. Further provided is a liquid crystal display apparatus using the color filter substrate (10).

Description

Color filter substrate and liquid crystal display device

Technical field

The present application relates to the field of display technologies, and in particular, to a color filter substrate and a liquid crystal display device.

Background technique

Liquid crystal display (LCD) has the advantages of lightness, thinness, low power consumption, etc., and is widely used in modern information equipment such as computers and mobile phones. At present, liquid crystal displays are generally required to have high contrast, high brightness, high color saturation, fast response, and wide viewing angle. In order to achieve a wide viewing angle, a variety of different displays have been developed in the prior art, such as a twisted nematic (TN) liquid crystal display plus a wide viewing angle film, in-plane switching (IPS). Liquid crystal display, Fringe Field Switching (FFS) liquid crystal display, and Multi-domain Vertical Alignment (MVA) liquid crystal display. A conventional liquid crystal display often divides one pixel into a plurality of sub-pixels, and each sub-pixel is separately controlled by a switching element to achieve a better display effect. When the size of the pixel is large, part of the liquid crystal molecules cannot be tilted in a short time, and even tilting cannot occur. Therefore, the existing liquid crystal display is difficult to have a good wide viewing angle.

Summary of the invention

Embodiments of the present application provide a color filter substrate and a liquid crystal display device to enhance wide viewing angle characteristics.

In one aspect, a color filter substrate provided by an embodiment of the present application includes:

a color filter layer comprising a plurality of color regions distributed in rows and columns, each of the color regions including a plurality of color sub-regions having different colors;

a common electrode layer stacked on one side of the color filter layer, the common electrode layer including a plurality of common electrode regions respectively corresponding to the plurality of color sub-regions, each of the common in the column direction The electrode region is formed with a first hollow pattern and a second hollow pattern;

Wherein, the first hollow pattern comprises two long grooves which are arranged at intersection and communicate with each other and a plurality of short grooves having different orientations formed laterally from the two long grooves;

The sizes of the first hollow patterns of the plurality of common electrode regions respectively corresponding to the plurality of different color color sub-regions of the same color region in the common electrode layer are different from each other.

In a further aspect, a color filter substrate provided by the embodiment of the present application includes:

a common electrode layer stacked on one side of the color filter layer, the common electrode layer including a plurality of common electrode regions respectively corresponding to the plurality of color sub-regions, each of the common in the column direction The electrode region is formed with a first hollow pattern and a second hollow pattern that are spaced apart.

In an embodiment of the present application, the first hollow pattern includes two long grooves that are disposed at intersection and communicate with each other, and a plurality of short grooves having different orientations formed laterally extending from the two long grooves.

In an embodiment of the present application, the first hollow pattern and the second hollow pattern have the same shape.

In an embodiment of the present application, the plurality of color sub-regions include a red sub-region, a green sub-region, and a blue sub-region, and the red sub-region, the green sub-region, and the blue sub-region respectively correspond to One of the common electrode regions on the common electrode layer.

In an embodiment of the present application, the first hollow pattern of the plurality of common electrode regions respectively corresponding to the plurality of different color color sub-regions of the same color region in the common electrode layer The dimensions are different from each other.

On the other hand, a liquid crystal display device provided by an embodiment of the present application includes:

a color filter substrate comprising a color filter layer, the color filter layer comprising a plurality of color regions distributed in a matrix, each of the color regions comprising a plurality of color sub-regions having different colors, The color filter substrate further includes a common electrode layer stacked on one side of the color filter layer, the common electrode layer including a plurality of common electrodes respectively corresponding to the plurality of color sub-regions a region, each of the common electrode regions in the column direction is formed with a first hollow pattern and a second hollow pattern;

a switch array substrate disposed opposite to the color filter substrate and located adjacent to a side of the common electrode layer;

A liquid crystal layer is disposed between the color filter substrate and the switch array substrate.

In an embodiment of the present application, the switch array substrate includes a plurality of pixel electrode units arranged in a matrix, each of the pixel electrode units including a main pixel area and a sub-pixel area, the main pixel area and the second The centers of the pixel regions respectively overlap the intersections of the two long grooves of the plurality of hollow patterns of the common electrode region corresponding to the pixel electrode unit.

In an embodiment of the present application, the size of the hollow pattern formed on the plurality of common electrode regions respectively corresponding to the plurality of color sub-regions of the same color region in the common electrode layer are not different from each other. the same.

The above technical solution may have one or more advantages that a first hollow pattern and a second hollow pattern are disposed on a common electrode layer of the color filter substrate, so that liquid crystal molecules in the liquid crystal layer are preset with a certain tilt angle, thereby improving Wide viewing angle characteristics of liquid crystal devices.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, Those skilled in the art can also obtain other drawings based on these drawings without paying any creative work.

1 is a schematic structural view of a liquid crystal display device according to an embodiment of the present application;

2 is a schematic view showing the positional relationship between the plurality of spacers and the color filter layer shown in FIG. 1;

Figure 3 is a partial view of the structure of Figure 2;

4 is a schematic plan view of the common electrode layer shown in FIG. 1;

5a, 5b, 5c are enlarged schematic views of different hollow pattern arrangement of the common electrode region of the common electrode layer shown in FIG. 4, respectively dividing the common electrode region where it is located into six, eight and ten common electrode sub-regions;

6 is a schematic plan view of the pixel electrode layer shown in FIG. 1;

FIG. 7 is a schematic diagram showing a state of coincidence of a common electrode region and a pixel electrode unit according to an embodiment; FIG.

8 is a schematic cross-sectional view showing a portion of a liquid crystal display device according to another embodiment of the present application;

9 is a schematic view showing the positional relationship between the plurality of spacers and the color filter layer shown in FIG. 8;

Figure 10 is a partial schematic view of the structure shown in Figure 9;

11 is a schematic cross-sectional view showing a portion of a liquid crystal display device according to still another embodiment of the present application;

FIG. 12 is a schematic structural diagram of a liquid crystal display device according to still another embodiment of the present application; FIG.

FIG. 13 is a schematic view showing the positional relationship between the plurality of spacers and the color filter layer shown in FIG.

Detailed ways

The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.

As shown in FIG. 1 and FIG. 2, a liquid crystal display device according to an embodiment of the present invention includes a color filter substrate 10, a switch array substrate 20, a liquid crystal layer 30, and a plurality of spacers 40. The liquid crystal layer 30 is disposed between the color filter substrate 10 and the switch array substrate 20, and the plurality of spacers 40 are distributed in the region where the liquid crystal layer 30 is located between the color filter substrate 10 and the switch array substrate 20 and are colored with the color filter. The light sheet substrate 10 or the switch array substrate 20 is fixedly connected to maintain a certain gap between the color filter substrate 10 and the switch array substrate 20. In addition, it is worth mentioning that the liquid crystal display device can also be provided with a sealant surrounding the liquid crystal layer 30 and located between the color filter substrate 10 and the switch array substrate 20, so that the sealant and the color filter substrate are 10 and the switch array substrate 20 collectively enclose an accommodating space to accommodate the liquid crystal layer 30. In addition, it can be understood that the first polarizing plate and the second polarizing plate are respectively disposed on the side of the color filter substrate 10 away from the liquid crystal layer 30 and the side of the switch array substrate 20 away from the liquid crystal layer 30 (FIG. 1 The color direction of the first polarizer and the polarization direction of the second polarizer are typically perpendicular to each other.

The switch array substrate 20 may be an array substrate such as a Thin Film Transistor (TFT) array substrate for transmitting and controlling electrical signals. The liquid crystal layer 30 is used to adjust the polarization direction of the light.

The color filter substrate 10 is used to realize color display, and includes a color filter layer 11; the color filter layer 11 includes a plurality of color regions 111 (shown in FIG. 2) distributed in rows and columns, each color region 111 includes a plurality of color sub-regions having different colors; a spacer region 113 exists between adjacent two rows of color regions (four rows of color regions are shown in FIG. 2 as an example), and a plurality of spacers 40 are distributed in the spacer region 113 At least a portion of the plurality of color regions 111, which are referred to herein as color regions 115 for convenience of explanation, and are disposed in the interval regions 113 on both sides in the column direction (for example, the vertical direction in FIG. 2) A spacer 40 (i.e., as shown in Fig. 2, one spacer 40 is located on the upper side thereof and the other spacer 40 is located on the lower side thereof) for maintaining the liquid crystal display device with a uniform liquid crystal cell thickness.

As described above, as shown in FIG. 3, optionally, each color region 111 such as the color region 115 includes a red (R) sub-region 1111, a green (G) sub-region 1113, and a blue (B) sub-region 1115. A plurality of color sub-regions, it is worth mentioning that in other embodiments, each color region 111 is not limited to including three sub-regions of R, G, and B, and may include more colors such as Y (yellow) or W ( White) and so on. The spacers 40 respectively disposed in the spaced regions 113 on both sides in the column direction of the first color region 115 are respectively located on both sides in the column direction of the blue sub-region 1115 to reduce the influence of the spacer 40 on the user experience of the liquid crystal display color. This is because human vision is less sensitive to blue light than to green light. In the row direction (for example, in the horizontal direction in FIG. 2), two adjacent color spacers 40 are spaced apart from each other. Optionally, two color sub-regions spaced between two adjacent spacers 40 in the row direction are a red sub-region 1111 and a green sub-region 1113. Further, a color sub-region such as a blue sub-region 1115 is interposed between two adjacent spacers 40 in the column direction to enhance the gap maintaining effect of the spacer 40 on the liquid crystal cell in the liquid crystal display device.

In addition, as shown in FIG. 4, the color filter substrate 10 further includes a common electrode layer 13 disposed on a side of the color filter layer 11 adjacent to the liquid crystal layer 30; the common electrode layer 13 includes a plurality of rows and columns A distributed common electrode region 131, each common electrode region 131 corresponding to a color sub-region within a color region 111 on the color filter layer 11, for example, a red sub-region 1111, a green sub-region 1113, or a blue The dice region 1115 corresponds. Each of the common electrode regions 131 is formed with a plurality of hollow patterns, such as a first hollow pattern 1311 and a second hollow pattern 1313, spaced apart in the column direction (for example, the vertical direction in FIG. 4) to provide liquid crystals in the liquid crystal layer 30. A certain pretilt angle of the molecule satisfies the needs of multi-domain display. A plurality of hollow patterns in each common electrode region 131 divide the common electrode region 131 in which it is located into a plurality of common electrode sub-regions 1315, as shown in FIGS. 5a, 5b, and 5c, and a plurality of hollow patterns respectively The common electrode region 131 is divided into six, eight, and ten common electrode sub-regions 1315.

It is worth mentioning here that for the common electrode layer 13, it may be a whole transparent conductive layer, and each common electrode region 131 is only a virtual divided area of the transparent conductive layer provided in the whole piece; or the common electrode layer 13 is also The plurality of strip-shaped transparent conductive layers may be, and the common electrode regions 131 are virtual divided regions of the corresponding strip-shaped transparent conductive layers; or the common electrode layer 13 is a plurality of transparent conductive blocks arranged in rows and columns, and each common The electrode region 131 is a corresponding one of transparent conductive blocks.

Furthermore, the color filter substrate 10 further includes a substrate 15 stacked on the side of the color filter layer 11 away from the liquid crystal layer 30. The substrate 15 may be made of a transparent material such as glass, quartz, or plastic.

As shown in FIG. 4 and FIG. 5(b), the first hollow pattern 1311 includes two long grooves 1311 which are disposed to intersect with each other, such as a vertical intersection (intersection 13115), and are laterally extended from the two long grooves 13111. A plurality of short grooves 13113 having different orientations. The first hollow pattern 1311 is symmetrically disposed, for example, the first hollow pattern 1311 is symmetrical about a horizontal line passing through the intersection 13115, or the first hollow pattern 1311 is symmetrical about a vertical line passing through the intersection 13115, or the first hollow pattern 1311 is around the intersection 13115. Rotate 180° center symmetry.

Optionally, the first hollow pattern 1311 is in a snowflake pattern. Further optionally, the first hollow pattern 1311 and the second hollow pattern 1313 have the same shape, that is, the second hollow pattern 1313 also includes two long slots 13131 which are disposed in a crossover manner, for example, a vertical intersection (intersection 13135) and communicate with each other. And a plurality of short grooves 13133 having different orientations formed laterally extending from the two long grooves 13131. Even multiple hollow patterns have the same shape. It is worth mentioning here that the first hollow pattern 1311 and the second hollow pattern 1313 having the same shape may have different sizes, that is, the length and/or width of the

long grooves

13111, 13131, and/or short grooves. The length and/or width of 13113, 13133 can vary. Further optionally, the plurality of color sub-regions in the common electrode layer 13 and the plurality of color sub-regions in the same color region 111, for example, the red sub-region 1111, the green sub-region 1113, and the blue sub-region 1115 respectively correspond to the plurality of common electrode regions 131 A hollow pattern 1311 (or a second hollow pattern 1313) is different from each other, for example, the first hollow pattern 1311 of the common electrode region 131 corresponding to the green sub-region 1113 is smaller than the first hollow of the common electrode region 131 corresponding to the red sub-region 1111. The size of the pattern 1311 is large, and the first hollow pattern 1311 of the common electrode region 131 corresponding to the red sub-region 1111 is larger than the first hollow pattern 1311 of the common electrode region 131 corresponding to the blue sub-region 1115, such that different color sub-regions It can have different transmittances, so that a better display effect can be achieved.

As shown in FIG. 6, the switch array substrate 20 includes a pixel electrode layer 21 disposed on a side of the switch array substrate 20 adjacent to the liquid crystal layer 30. The pixel electrode layer 21 includes a plurality of pixel electrode units 211 distributed in a matrix, each of the pixel electrode units 211 including a main pixel region 2111 and a sub-pixel region 2113. As shown in FIG. 7, the center P1 of the main pixel region 2111 and the center P3 of the sub-pixel region 2113 of any one of the pixel electrode units 211 and the first hollow pattern 1311 of the common electrode region 131 corresponding to the pixel electrode unit 211, respectively. The intersection 13115 coincides with the intersection 13135 of the second hollow pattern. Furthermore, it is worth mentioning that the liquid crystal molecules in the liquid crystal layer 30 can form eight liquid crystal molecular domains having different orientation directions by the one-to-one matching of the common electrode region 131 and the pixel electrode unit 211; correspondingly, the pixel electrode A plurality of slits having different orientation directions, for example, a plurality of slits having eight or more different orientation directions, or a plurality of insulating protrusions on a side of the pixel electrode unit 211 adjacent to the liquid crystal layer 30 may be formed on the unit 211. Pick up.

In summary, the liquid crystal display device of the present embodiment is provided with a plurality of spacers in an interval region between two adjacent color regions, and a spacer region on both sides in a column direction of at least a portion of the plurality of color regions. Having at least one spacer disposed therein, respectively, can ensure that the liquid crystal display device has a uniform liquid crystal cell thickness; in addition, spacers are respectively disposed on both sides of the column direction of the blue sub-region, which can reduce spacers to humans. The effect of the visual effect further enhances the display effect of the liquid crystal display device. In addition, a hollow pattern is disposed on the common electrode layer of the color filter substrate and corresponding to the pixel electrode unit on the switch array substrate, thereby providing a certain pretilt angle of the liquid crystal molecules in the liquid crystal layer, thereby improving the wide viewing angle characteristics of the liquid crystal device.

As shown in FIG. 8 and FIG. 9 , a liquid crystal display device according to another embodiment of the present invention includes: a color filter substrate 50 , a switch array substrate 60 , a liquid crystal layer 70 , a plurality of first spacers 80 , and a plurality of Two second spacers 81 and a plurality of third spacers 82. The liquid crystal layer 70 is disposed between the color filter substrate 50 and the switch array substrate 60.

The switch array substrate 60 may be, for example, a Thin Film Transistor (TFT) array substrate or the like for transmitting and controlling electrical signals. The liquid crystal layer 70 is used to adjust the polarization direction of the light. The color filter substrate 50 is used to realize display of colors including a color filter layer 51 and a black matrix 55. The color filter layer 51 includes a plurality of color regions 511 distributed in rows and columns, each of the color regions 511 being surrounded by a black matrix 55 and containing a plurality of color sub-regions of different colors separated by a black matrix 55. The portion of the black matrix 55 between the adjacent two rows of color regions 511 is referred to herein as a spacer region 513 for convenience of explanation. The first spacer 80, the second spacer 81, and the third spacer 82 are distributed in the spacing region 513 for maintaining uniformity of the thickness of the liquid crystal cell; at least part of the color regions of the plurality of color regions 511, here is convenient It is named as a color area 515, and a first spacer 80, a second spacer 81, and a third spacer are respectively disposed in the spacer area 513 on both sides in the column direction (for example, the vertical direction in FIG. 9). 82, for maintaining a certain gap between the color filter substrate 50 and the switch array substrate 60. Optionally, the height of the second spacer 81 and the third spacer 82 is smaller than the first spacer 80. Further optionally, the heights of the first spacer 80, the second spacer 81 and the third spacer 82 are sequentially decreased to ensure that the second spacer 81 can support the color filter after the first spacer 80 fails to support the support. The substrate 50 and the switch array substrate 60; after the first spacer 80 and the second spacer 81 are successively supported, the third spacer 82 continues to support the color filter substrate 50 and the switch array substrate 60 to protect the liquid crystal display. The role.

As described above, as shown in FIG. 10, optionally, each color area 511 such as the color area 515 includes a red (R) sub-area 5111, a green (G) sub-area 5113, and a blue (B) sub-area 5115. The plurality of color sub-regions, the first spacers 80 respectively disposed in the spacer regions 513 on both sides in the column direction of the first color region 515 are respectively located on both sides in the column direction of the blue sub-region 5115. The second spacer 81 and the third spacer 82 are respectively located on both sides in the column direction of the red sub-region 5111 and the green sub-region 5113 to reduce damage of the liquid crystal display device caused by partial spacer support failure.

In addition, the liquid crystal display panel of the present embodiment further includes a common electrode layer of the same color filter substrate and a pixel electrode layer in the switch array substrate as in the previous embodiment.

In summary, the liquid crystal display device of the present embodiment is provided with a first spacer, a second spacer and a third spacer between the color filter substrate and the switch array substrate to support the color filter substrate and the switch array. The substrate maintains the uniformity of the thickness of the liquid crystal cell. Optionally, the height of the second spacer and the third spacer is smaller than the first spacer. Further optionally, the heights of the first spacer, the second spacer and the third spacer are sequentially decreased to ensure that the second spacer supports the color filter substrate and the switch array substrate after the first spacer support fails; After the first spacer and the second spacer are successively supported, the third spacer supports the color filter substrate and the switch array substrate to protect the liquid crystal display.

As shown in FIG. 9 to FIG. 11 , a liquid crystal display device according to another embodiment of the present invention includes a color filter substrate 50 , a switch array substrate 60 , and a liquid crystal layer 70 . The liquid crystal layer 70 is disposed between the color filter substrate 50 and the switch array substrate 60.

The switch array substrate 60 may be an array substrate such as a Thin Film Transistor (TFT) array substrate for transmitting and controlling electrical signals. The liquid crystal layer 70 is used to adjust the polarization direction of the light. The color filter substrate 50 is used to realize display of colors including a color filter layer 51 and a black matrix 57. The color filter layer 51 includes a plurality of color regions 511 distributed in rows and columns, each of the color regions 511 being surrounded by a black matrix 57 and containing a plurality of color sub-regions of different colors separated by a black matrix 57. The portion of the black matrix 57 between the adjacent two rows of color regions 511 is referred to herein as a spacer region 513 for convenience of explanation. A plurality of first spacers 80 are formed in the spacer region 513. The first spacers 80 are distributed in a region where the liquid crystal layer 70 is located between the color filter substrate 50 and the switch array substrate 60. The first spacer 80 and the black matrix 57 are integrally formed and fixedly connected to the color filter substrate 50 to maintain a certain gap between the color filter substrate 50 and the switch array substrate 60. At least a portion of the plurality of color regions 511, which are referred to herein as color regions 515 for convenience of explanation, are respectively protruded in the spacer regions 513 on both sides in the column direction (for example, the vertical direction in FIG. 9). A first spacer 80 is used to maintain a certain gap between the color filter substrate 50 and the switch array substrate 60. In addition, a second spacer 81 and a third spacer 82 are protruded in the spacer region 513 on both sides in the column direction of the color region 515. Optionally, the height of the second spacer 81 and the third spacer 82 is less than the height 80 of the first spacer. Further optionally, the heights of the first spacer 80, the second spacer 81 and the third spacer 82 are sequentially decreased to ensure that the second spacer 81 can support the color filter after the first spacer 80 fails to support the support. The substrate 50 and the switch array substrate 60; after the first spacer 80 and the second spacer 81 are successively supported, the third spacer 82 continues to support the color filter substrate 50 and the switch array substrate 60 to protect the liquid crystal display. The role.

In view of the above, optionally, as shown in FIG. 10, each color region 511 includes a plurality of color sub-regions including a red (R) sub-region 5111, a green (G) sub-region 5113, and a blue (B) sub-region 5115. In the region, the first spacers 80 respectively disposed in the spaced regions 513 on both sides in the column direction of the first color region 515 are respectively located on both sides in the column direction of the blue sub-region 5115. The second spacer 81 and the third spacer 82 are respectively located on both sides of the red sub-region 5111 and the green sub-region 5113 in the column direction to increase the number of spacers in the liquid crystal display device and ensure the stability of the thickness of the liquid crystal cell.

As described above, the liquid crystal display device of the present embodiment has a plurality of first spacers protruding from the black matrix to maintain the gap between the color filter substrate and the switch array substrate. Optionally, a plurality of second spacers and a plurality of third spacers are further formed on the black matrix, and the heights of the second spacers and the third spacers are smaller than the height of the first spacers. Further optionally, the heights of the first spacer, the second spacer and the third spacer are sequentially decreased to ensure that the second spacer supports the color filter substrate and the switch array substrate after the first spacer support fails; After the first spacer and the second spacer are successively supported, the third spacer supports the color filter substrate and the switch array substrate to protect the liquid crystal display.

As shown in FIG. 12 and FIG. 13 , a liquid crystal display device according to another embodiment of the present invention includes a color filter substrate 10 , a switch array substrate 20 , a liquid crystal layer 30 , and a plurality of spacers 40 . The color filter substrate 10 has a curved surface structure, the switch array substrate 20 is a curved surface structure disposed opposite to the color filter substrate, and the liquid crystal layer 30 is disposed between the color filter substrate 10 and the switch array substrate 20, and a plurality of spacers 40 is distributed in a region where the liquid crystal layer 30 is located between the color filter substrate 10 and the switch array substrate 20 and is fixedly connected to the color filter substrate 10 or the switch array substrate 20 to maintain the color filter substrate 10 and the switch array substrate. A certain gap between 20.

The switch array substrate 20 may be an array substrate such as a thin film transistor array substrate for transmitting and controlling electrical signals. The liquid crystal layer 30 is used to adjust the polarization direction of the light. The color filter substrate 10 is used to realize color display, and includes a color filter layer 11, which includes a plurality of color regions 111 distributed in rows and columns (as shown in FIG. 13); adjacent rows of colors There are spaced regions 113 between the regions, and a plurality of spacers 40 are distributed within the spacer regions 113. In the row direction (for example, the horizontal direction in Fig. 13), the distance between the adjacent two spacers 40 gradually decreases from the both sides toward the middle portion, and the density of the central spacer 40 is large, and the density of the spacers 40 on both sides is small. The layout is such that there are enough spacers 40 in the center of the curved liquid crystal display device to support the color filter substrate 10 and the switch array substrate 20, thereby ensuring the strength of the intermediate portion of the curved liquid crystal display device.

In addition, it is worth mentioning that, in a liquid crystal display device provided by this embodiment, the structure in the foregoing embodiment is applicable to the embodiment, except that the related components are curved structures, and the foregoing embodiments can be combined with each other. The specific structure thereof will not be described here.

In summary, the liquid crystal display device of the embodiment is a curved liquid crystal display device, wherein the color filter substrate and the switch array substrate are curved structures, and different densities are set between the color filter substrate and the switch matrix substrate. The spacer, that is, the spacing between two adjacent spacers in the row direction is gradually reduced from the both sides toward the center to ensure the strength of the middle portion of the liquid crystal display screen, reduce the possibility of screen damage, and protect the liquid crystal display. .

In the several embodiments provided by the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.

Finally, it should be noted that the above embodiments are only used to explain the technical solutions of the present application, and are not limited thereto; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced by the equivalents. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

A color filter substrate, wherein the color filter substrate comprises:

a color filter layer comprising a plurality of color regions distributed in rows and columns, each of the color regions including a plurality of color sub-regions having different colors;

a common electrode layer stacked on one side of the color filter layer, the common electrode layer including a plurality of common electrode regions respectively corresponding to the plurality of color sub-regions, each of the common in the column direction The electrode region is formed with a first hollow pattern and a second hollow pattern;

Wherein, the first hollow pattern comprises two long grooves which are arranged at intersection and communicate with each other and a plurality of short grooves having different orientations formed laterally from the two long grooves;

The sizes of the first hollow patterns of the plurality of common electrode regions respectively corresponding to the plurality of different color color sub-regions of the same color region in the common electrode layer are different from each other.
A color filter substrate, wherein the color filter substrate comprises:

a color filter layer comprising a plurality of color regions distributed in rows and columns, each of the color regions including a plurality of color sub-regions having different colors;

a common electrode layer stacked on one side of the color filter layer, the common electrode layer including a plurality of common electrode regions respectively corresponding to the plurality of color sub-regions, each of the common in the column direction The electrode region is formed with a first hollow pattern and a second hollow pattern that are spaced apart.
The color filter substrate of claim 2, wherein the first hollow pattern comprises two long grooves that are disposed to intersect and communicate with each other and a plurality of different orientations extending laterally from the two long grooves Short slot.
The color filter substrate of claim 3, wherein the first hollow pattern and the second hollow pattern have the same shape.
The color filter substrate of claim 2, wherein the plurality of color sub-regions include a red sub-region, a green sub-region, and a blue sub-region, the red sub-region, the green sub-region, and the The blue sub-regions respectively correspond to one of the common electrode regions on the common electrode layer.
The color filter substrate of claim 3, wherein the plurality of color sub-regions include a red sub-region, a green sub-region, and a blue sub-region, the red sub-region, the green sub-region, and the The blue sub-regions respectively correspond to one of the common electrode regions on the common electrode layer.
The color filter substrate of claim 4, wherein the plurality of color sub-regions include a red sub-region, a green sub-region, and a blue sub-region, the red sub-region, the green sub-region, and the The blue sub-regions respectively correspond to one of the common electrode regions on the common electrode layer.
The color filter substrate according to claim 2, wherein a plurality of said common electrode regions respectively corresponding to said plurality of different color sub-regions of said same color region in said common electrode layer The sizes of the first hollow patterns are different from each other.
The color filter substrate according to claim 3, wherein a plurality of said common electrode regions respectively corresponding to said plurality of different color sub-regions of said same color region in said common electrode layer The sizes of the first hollow patterns are different from each other.
The color filter substrate according to claim 4, wherein a plurality of said common electrode regions respectively corresponding to said plurality of different color sub-regions of said same color region in said common electrode layer The sizes of the first hollow patterns are different from each other.
The color filter substrate according to claim 5, wherein a plurality of said common electrode regions respectively corresponding to said plurality of different color sub-regions of said same color region in said common electrode layer The sizes of the first hollow patterns are different from each other.
A liquid crystal display device, wherein the liquid crystal display device comprises:

a color filter substrate comprising a color filter layer, the color filter layer comprising a plurality of color regions distributed in a matrix, each of the color regions comprising a plurality of color sub-regions having different colors, The color filter substrate further includes a common electrode layer stacked on one side of the color filter layer, the common electrode layer including a plurality of common electrodes respectively corresponding to the plurality of color sub-regions a region, each of the common electrode regions in the column direction is formed with a first hollow pattern and a second hollow pattern;

a switch array substrate disposed opposite to the color filter substrate and located on a side close to the common electrode layer;

A liquid crystal layer is disposed between the color filter substrate and the switch array substrate.
A liquid crystal display device according to claim 12, wherein said first hollow pattern comprises two long grooves which are disposed to intersect and communicate with each other, and a plurality of short grooves having different orientations formed laterally extending from said two long grooves groove.
The liquid crystal display device of claim 13, wherein the switch array substrate comprises a plurality of pixel electrode units arranged in a matrix, each of the pixel electrode units including a main pixel area and a sub-pixel area, the main pixel area And intersecting the centers of the sub-pixel regions with the intersections of the two long grooves of the plurality of hollow patterns of the common electrode region corresponding to the pixel electrode unit, respectively.
The liquid crystal display device of claim 12, wherein the plurality of color sub-regions include a red sub-region, a green sub-region, and a blue sub-region, the red sub-region, the green sub-region, and the blue The sub-regions respectively correspond to one of the common electrode regions on the common electrode layer.
The liquid crystal display device according to claim 15, wherein said hollow electrode formed on said plurality of said common electrode regions respectively corresponding to said plurality of color sub-regions of said same color region The pattern sizes are different from each other.
The liquid crystal display device of claim 12, wherein the first hollow pattern and the second open pattern have the same shape.
A liquid crystal display device according to claim 12, wherein said first hollow pattern comprises two long grooves which are disposed to intersect and communicate with each other, and a plurality of short grooves having different orientations formed laterally extending from said two long grooves groove;

The plurality of color sub-regions include a red sub-region, a green sub-region, and a blue sub-region, wherein the red sub-region, the green sub-region, and the blue sub-region respectively correspond to the common electrode layer One of the common electrode regions;

The sizes of the hollow patterns formed on the plurality of common electrode regions respectively corresponding to the plurality of color sub-regions of the same color region in the common electrode layer are different from each other.