Liquid crystal display assembly manufacturing method and use thereof for forming wall structure of pixel region

Abstract

A liquid crystal display assembly (1) manufacturing method and a use thereof for forming a wall structure of a pixel region (P). The liquid crystal display assembly (1) manufacturing method comprises: providing a first conductive substrate (40); forming a plurality of cross-shaped walls of different heights on the first conductive substrate (40), so as to jointly define a plurality of pixel regions (P) by means of the plurality of cross-shaped walls; forming a sealing material (50) on the periphery of the plurality of cross-shaped walls; dispensing a liquid crystal (30) to at least one pixel region (P), the liquid crystal (30) flowing to the remaining pixel regions (P) by means of the plurality of cross-shaped walls of different heights; and pressing a second conductive substrate (60) on the sealing material (50) so as to seal the liquid crystal (30). By forming the plurality of cross-shaped walls of different heights to jointly define the plurality of pixel regions (P), during the process of liquid crystal dispensing or injection, the rate of the liquid crystal flowing to each pixel region (P) can be increased, the liquid crystal dispensing or injection time period can be shortened, and uniform liquid crystal distribution can be achieved, and thus, the manufacturing efficiency and yield of the liquid crystal display assembly (1) can be improved.

Description

Manufacturing method of liquid crystal display assembly and wall structure for forming pixel area thereof TECHNICAL FIELD

[0001] The present application relates to the technical field of display, and more particularly, to a manufacturing method of liquid crystal display assembly and wall structure for forming pixel area thereof. BACKGROUND

[0002] In response to the requirements of high display quality and low power consumption of display products such as electronic paper and electronic books, liquid crystal display assemblies with bistable (i.e. no power consumption when the picture does not change, and power consumption when the picture changes), non-backlight and low power consumption have been proposed and widely used in the aforementioned display products.

[0003] In the manufacturing process of the existing liquid crystal display assembly, the injection of liquid crystal is a very important process. However, due to the poor design of the wall structure for forming the pixel area in the prior art, the flowability of the liquid crystal in the injection process is greatly blocked by the wall structure, which not only causes the injection time of the liquid crystal to be too long, but also leads to uneven distribution of the liquid crystal, thereby reducing the manufacturing efficiency and yield of the liquid crystal display assembly.

[0004] Therefore, it is necessary to improve the manufacturing method of the liquid crystal display assembly in the prior art to solve the above-mentioned problems.

[0005] SUMMARY

[0006] The purpose of the present application is to provide a manufacturing method of liquid crystal display assembly and wall structure for forming pixel area thereof to solve the technical problems of the prior art, such as the decrease of liquid crystal flowability, the long injection time of liquid crystal and the uneven distribution of liquid crystal.

[0007] According to one embodiment of the present application, the present application provides a manufacturing method of liquid crystal display assembly, comprising: providing a first conductive substrate; forming a plurality of cross walls with different heights on the first conductive substrate to jointly define a plurality of pixel areas by the plurality of cross walls; forming a sealing material on the periphery of the plurality of cross walls; dropping liquid crystal into at least one pixel area, and the liquid crystal flows to the remaining pixel areas through the plurality of cross walls with different heights; and pressing a second conductive substrate on the sealing material to seal the liquid crystal.

[0008] According to another embodiment of the present application, the present application provides a wall structure for forming pixel area, comprising: a first cross wall; and a second cross wall spaced apart from the first cross wall, and the second cross wall and the first cross wall jointly define a plurality of pixel areas, wherein the second height of the second cross wall is different from the first height of the first cross wall.

[0009] Compared with the prior art, the present application has at least the following technical effects:

[0010] The present application provides a method for manufacturing a liquid crystal display assembly. The method forms multiple cross walls with different heights to jointly define multiple pixel regions. The method can improve the rate of liquid crystal flowing to the pixel regions, shorten the time period for dropping or injecting liquid crystal, and make the liquid crystal distribution uniform during the dropping or injecting process. Therefore, the manufacturing efficiency and yield of the liquid crystal display assembly can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] The drawings necessary for describing the embodiments of the present application or the prior art will be briefly described in the following in order to facilitate the description of the embodiments of the present application. Obviously, the drawings in the following description are only some of the embodiments in the present application. Other drawings of other embodiments can be obtained by those skilled in the art without creative labor based on the examples in the drawings.

[0012] FIG. 1 shows one or more stages of some embodiments of the method for manufacturing a liquid crystal display assembly of the present application.

[0013] FIG. 2 shows one or more stages of some embodiments of the method for manufacturing a liquid crystal display assembly of the present application.

[0014] FIG. 3A is a schematic structural view of a first cross wall provided by an embodiment of the present application.

[0015] FIG. 3B is a schematic structural view of a second cross wall provided by an embodiment of the present application.

[0016] FIG. 4A is a schematic structural view of another first cross wall provided by an embodiment of the present application.

[0017] FIG. 4B is a schematic structural view of another second cross wall provided by an embodiment of the present application.

[0018] FIG. 5A is a schematic structural view of still another first cross wall provided by an embodiment of the present application.

[0019] FIG. 5B is a schematic structural view of still another second cross wall provided by an embodiment of the present application.

[0020] FIG. 6A is a schematic structural view of still another first cross wall provided by an embodiment of the present application.

[0021] FIG. 6B is a schematic structural view of still another second cross wall provided by an embodiment of the present application.

[0022] FIG. 7 shows one or more stages of some embodiments of the method for manufacturing a liquid crystal display assembly of the present application.

[0023] FIG. 8 shows one or more stages of some embodiments of the method for manufacturing a liquid crystal display assembly of the present application.

[0024] Figure 9 shows one or more stages of some embodiments of a method of manufacturing a liquid crystal display assembly of the present application.

[0025] Figure 10 shows one or more stages of some embodiments of a method of manufacturing a liquid crystal display assembly of the present application.

[0026] Figure 11 shows one or more stages of some embodiments of a method of manufacturing a liquid crystal display assembly of the present application.

[0027] Figure 12 shows one or more stages of some embodiments of a method of manufacturing a liquid crystal display assembly of the present application.

[0028] Figure 13 shows one or more stages of some embodiments of a method of manufacturing a liquid crystal display assembly of the present application.

[0029] Figure 14 shows one or more stages of some embodiments of a method of manufacturing a liquid crystal display assembly of the present application.

[0030] Symbol explanation:

[0031] 1: liquid crystal display assembly; 10: first cross wall; 10a: first cross wall; 10b: first cross wall; 10c: first cross wall; 11: first wall portion; 12: second wall portion; 12a: second wall portion; 12c: second wall portion; 13: third wall portion; 13b: third wall portion; 13c: third wall portion; 14: fourth wall portion; 14b: fourth wall portion; 14c: fourth wall portion; 20: second cross wall; 20a: second cross wall; 20b: second cross wall; 20c: second cross wall; 21: first wall portion; 21a: first wall portion; 21c: first wall portion; 22: second wall portion; 23: third wall portion; 23b: third wall portion; 23c: third wall portion; 24: fourth wall portion; 24b: fourth wall portion; 24c: fourth wall portion; 30: liquid crystal; 40: first conductive substrate; 41: first base material; 42: first electrode layer; 43: first alignment film; 50: sealing material; 50a: sealing material; 52: injection port; 60: second conductive substrate; 61: second base material; 62: second electrode layer; 63: second alignment film; F: pressure; H 11 : first height; H 12 : second height; H 12a : second height; H 12c : second height; H 13 : third height; H 13b : third height; H 13c : third height; H 14 : fourth height H 14b : fourth height; H 14c : fourth height; H 21 : first height; H 21a : first height; H21c : first height; H 22 : second height; H 23 : third height; H 23b : third height; H 23c : third height; H 24 : fourth height; H 24b : fourth height; H 24c : fourth height; P: pixel region. DETAILED DESCRIPTION

[0032] For a better understanding of the present application, reference will be made to the following descriptions of the preferred embodiments of the application in conjunction with the accompanying drawings.

[0033] Various embodiments of the application are discussed in detail below. While specific implementations are discussed, it should be understood that the embodiments are for illustrative purposes only. One skilled in the relevant art will recognize that other components and configurations can be used without departing from the spirit and scope of the application.

[0034] FIGS. 1, 2, and 7-13 show one or more stages of some embodiments of a method of manufacturing a liquid crystal display assembly of the present application.

[0035] Referring to FIG. 1, a first conductive substrate 40 is provided. In some embodiments of the present application, the first conductive substrate 40 can include a first base material 41, a first electrode layer 42, and a first alignment film 43. In some embodiments of the present application, the first base material 41 can be a transparent glass base material or a transparent flexible base material. The first electrode layer 42 can be formed on the first base material 41 (e.g., the upper surface). In some embodiments of the present application, the first electrode layer 42 can include, but is not limited to, an Indium Tin Oxide (ITO) electrode. In some embodiments of the present application, the first electrode layer 42 can be a scan electrode. The first alignment film 43 can be formed on the first electrode layer 42 (e.g., the upper surface).

[0036] FIG. 3A is a schematic diagram of a structure of a first cross-wall 10 according to an embodiment of the present application. FIG. 3B is a schematic diagram of a structure of a second cross-wall 20 according to an embodiment of the present application. Referring to FIGS. 2, 3A, and 3B, a plurality of cross-walls (including, for example, the first cross-wall 10 and the second cross-wall 20) of different heights are formed on the first conductive substrate 40 (e.g., the first alignment film 43) to define a plurality of pixel regions P collectively by the plurality of cross-walls (e.g., the first cross-wall 10 and the second cross-wall 20). In some embodiments of the present application, the plurality of cross-walls (including, for example, the first cross-wall 10 and the second cross-wall 20) of different heights can constitute a wall structure.

[0037] In some embodiments of the present application, forming a plurality of cross walls of different heights can include forming a first cross wall 10 (as shown in FIG. 2 and FIG. 3A) having a first height H 11 ; and forming a second cross wall 20 (as shown in FIG. 2 and FIG. 3B) having a second height H 22 . The second cross wall 20 is spaced apart from the first cross wall 10. In some embodiments of the present application, as shown in FIG. 3A and FIG. 3B, the second height H 22 of the second cross wall 20 can be lower than the first height H 11 of the first cross wall 10. In some embodiments of the present application, as shown in FIG. 2, the number of the second cross walls 20 can be greater than the number of the first cross walls 10. In some embodiments of the present application, the distribution density of the second cross walls 20 can be greater than the distribution density of the first cross walls 10. In some embodiments of the present application, the material of the first cross wall 10 and the second cross wall 20 can include, but is not limited to, a photoresist of an acrylic system.

[0038] In some embodiments of the present application, as shown in FIG. 3A, the first cross wall 10 can include a plurality of wall portions (including, for example, a first wall portion 11, a second wall portion 12, a third wall portion 13, and a fourth wall portion 14). The first wall portion 11 has a first height H 11 . The second wall portion 12 has a second height H 12 . The third wall portion 13 has a third height H 13 . The fourth wall portion 14 has a fourth height H 14 . In some embodiments of the present application, the first height H 11 of the first wall portion 11, the second height H 12 of the second wall portion 12, the third height H 13 of the third wall portion 13, and the fourth height H 14 of the fourth wall portion 14 can be the same (i.e., equal height). Thus, the first height H 11 of the first wall portion 11 can also be considered as the overall height or the maximum height of the first cross wall 10.

[0039] In some embodiments of the present application, as shown in FIG. 3B, the second cross wall 20 can include a plurality of wall portions (including, for example, a first wall portion 21, a second wall portion 22, a third wall portion 23, and a fourth wall portion 24). The first wall portion 21 has a first height H 21 . The second wall portion 22 has a second height H 22 . The third wall portion 23 has a third height H 23 . The fourth wall portion 24 has a fourth height H 24 . In some embodiments of the present application, the first height H 21 of the first wall portion 21, the second height H 22 of the second wall portion 22, the third height H 23the fourth height H of the fourth wall portion 24 24 may be the same (i.e., the second height H of the second wall portion 22 22 may be the same (i.e., the second height H of the second wall portion 22 22 may be lower than the first height H of the first wall portion 11 of the first cross wall 10 11 may be the same (i.e., the first height H of the first wall portion 21 of the second cross wall 20 21 may be the same (i.e., the third height H of the third wall portion 23 of the second cross wall 20 23 may be the same (i.e., the fourth height H of the fourth wall portion 24 of the second cross wall 20 24 may be lower than the first height H of the first wall portion 11 of the first cross wall 10 11 . That is, the overall height or the maximum height of the second cross wall 20 can be lower than the overall height or the maximum height of the first cross wall 10.

[0040] FIG. 4A is a structural schematic view of another first cross wall 10a according to some embodiments of the present application. The first cross wall 10a of FIG. 4A has a similar structure to the first cross wall 10 of FIG. 3A, except that the height of the second wall portion 12a of the first cross wall 10a of FIG. 4A. In some embodiments of the present application, as shown in FIG. 4A, the second height H of the second wall portion 12a 12a may be different from the first height H of the first wall portion 11 11 , the third height H of the third wall portion 13 13 , and the fourth height H of the fourth wall portion 14 14 . That is, the heights of at least two wall portions (e.g., the first wall portion 11 and the second wall portion 12a) of the plurality of wall portions (including, for example, the first wall portion 11, the second wall portion 12a, the third wall portion 13, and the fourth wall portion 14) of the first cross wall 10a are different. In some embodiments of the present application, the second height H of the second wall portion 12a 12a may be lower than the first height H of the first wall portion 11 11 , the third height H of the third wall portion 13 13 , and the fourth height H of the fourth wall portion 14 14 .

[0041] FIG. 4B is a structural schematic view of another second cross wall 20a according to some embodiments of the present application. The second cross wall 20a of FIG. 4B has a similar structure to the second cross wall 20 of FIG. 3B, except that the height of the first wall portion 21a of the second cross wall 20a of FIG. 4B. In some embodiments of the present application, as shown in FIG. 4B, the first height H of the first wall portion 21a 21a may be different from the second height H of the second wall portion 22 22, the third height H of the third wall portion 23 23 and the fourth height H of the fourth wall portion 24 24 That is, at least two wall portions (e.g., the first wall portion 21a and the second wall portion 22) of the plurality of wall portions (e.g., the first wall portion 21a, the second wall portion 22, the third wall portion 23, and the fourth wall portion 24) of the second cross wall 20a have different heights. In some embodiments of the present application, the first height H of the first wall portion 21a is 21a The second height H may be lower than the second wall portion 22 22 , the third height H of the third wall portion 23 23 and the fourth height H of the fourth wall portion 24 24 .

[0042] FIG5A is a schematic diagram of the structure of another first cross wall 10b provided in an embodiment of the present application. The first cross wall 10b of FIG5A has a similar structure to the first cross wall 10 of FIG3A, except that the height of the third wall portion 13b and the height of the fourth wall portion 14b of the first cross wall 10b of FIG5A are different. In some embodiments of the present application, as shown in FIG5A, the third height H of the third wall portion 13b is 13b and the fourth height H of the fourth wall portion 14b 14b It may be different from the first height H of the first wall portion 11 11 or the second height H of the second wall portion 12 12 In some embodiments of the present application, the third height H of the third wall portion 13b is 13b and the fourth height H of the fourth wall portion 14b 14b It may be lower than the first height H of the first wall portion 11 11 or the second height H of the second wall portion 12 12 In some embodiments of the present application, the fourth height H of the fourth wall portion 14b is 14b The third height H may be the same as the third wall portion 13b. 13b .

[0043] FIG5B is a schematic diagram of the structure of another second cross wall 20b provided in an embodiment of the present application. The second cross wall 20b of FIG5B has a similar structure to the second cross wall 20 of FIG3B, except that the height of the third wall portion 23b and the height of the fourth wall portion 24b of the second cross wall 20b of FIG5B are different. In some embodiments of the present application, as shown in FIG5B, the third height H of the third wall portion 23b is 23b and the fourth height H of the fourth wall portion 24b 24b It may be different from the first height H of the first wall portion 21 21 or the second height H of the second wall portion 22 22 In some embodiments of the present application, the third height H of the third wall portion 23b is 23bthe fourth height H of the fourth wall portion 24b 24b may be lower than the first height H of the first wall portion 21 21 or the second height H of the second wall portion 22 22 In some embodiments of the present application, the fourth height H of the fourth wall portion 24b 24b may be the same as the third height H of the third wall portion 23b 23b .

[0044] Fig. 6A is a schematic view of a structure of a first cross wall 10c according to some embodiments of the present application. The first cross wall 10c of Fig. 6A has a similar structure as the first cross wall 10 of Fig. 3A, except that the height of the second wall portion 12c, the height of the third wall portion 13c and the height of the fourth wall portion 14c of the first cross wall 10c of Fig. 6A are different. In some embodiments of the present application, as shown in Fig. 6A, the second height H 12c of the second wall portion 12c, the third height H 13c of the third wall portion 13c and the fourth height H 14c of the fourth wall portion 14c can be different from the first height H 11 of the first wall portion 11. In some embodiments of the present application, the second height H 12c of the second wall portion 12c, the third height H 13c of the third wall portion 13c and the fourth height H 14c of the fourth wall portion 14c can be lower than the first height H 11 of the first wall portion 11. In some embodiments of the present application, the second height H 12c of the second wall portion 12c, the third height H 13c of the third wall portion 13c and the fourth height H 14c of the fourth wall portion 14c can be the same (i.e. equal).

[0045] Fig. 6B is a schematic view of a structure of a second cross wall 20c according to some embodiments of the present application. The second cross wall 20c of Fig. 6B has a similar structure as the second cross wall 20 of Fig. 3B, except that the height of the first wall portion 21c, the height of the third wall portion 23c and the height of the fourth wall portion 24c of the second cross wall 20c of Fig. 6B are different. In some embodiments of the present application, as shown in Fig. 6B, the first height H 21c of the first wall portion 21c, the third height H 23c of the third wall portion 23c and the fourth height H 24c of the fourth wall portion 24c can be different from the second height H 22 of the second wall portion 22. In some embodiments of the present application, the first height H 21c of the first wall portion 21c, the third height H 23c of the third wall portion 23c and the fourth height H24c The second height H 22 In some embodiments of the present application, the first height H 21c , the third height H 23c , and the fourth height H 24c of the first wall portion 21c, the third wall portion 23c, and the fourth wall portion 24c can be the same (i.e., isohypse).

[0046] Referring to FIG. 7, the sealant 50 is formed on the periphery of the plurality of cross walls (e.g., the first cross wall 10 and the second cross wall 20). In this step, the height of at least one cross wall (e.g., the second cross wall 20) of the plurality of cross walls (e.g., the first cross wall 10 and the second cross wall 20) can be less than the thickness of the sealant 50. In some embodiments of the present application, the material of the sealant 50 can include, but is not limited to, a photoresist of acrylic type.

[0047] Referring to FIG. 8 and FIG. 9, the liquid crystal 30 is dropped into at least one pixel region P, and the liquid crystal 30 can flow to the remaining pixel regions P through the plurality of cross walls (e.g., the first cross wall 10 and the second cross wall 20) with different heights. In this step, the contact area of the liquid crystal 30 with the second cross wall 20 can be different from the contact area of the liquid crystal 30 with the first cross wall 10. In some embodiments of the present application, the contact area of the liquid crystal 30 with the second cross wall 20 can be less than the contact area of the liquid crystal 30 with the first cross wall 10. In some embodiments of the present application, the liquid crystal 30 can include, but is not limited to, a cholesteric liquid crystal.

[0048] In some embodiments of the present application, the second cross wall 20 can be formed in the area where the flow rate of the liquid crystal 30 is low, so as to reduce the flow resistance to the liquid crystal 30. In addition, the first cross wall 10 can be formed in the area where the flow rate of the liquid crystal 30 is high. Through the above configuration, the flow rate of the liquid crystal 30 to each pixel region P can be made more uniform, and the liquid crystal 30 can be distributed uniformly.

[0049] Referring to FIG. 10 and FIG. 11 (cross-sectional view of FIG. 10), the second conductive substrate 60 is pressed on the sealant 50 to seal the liquid crystal 30. In some embodiments of the present application, the second conductive substrate 60 can include a second base material 61, a second electrode layer 62, and a second alignment film 63. In some embodiments of the present application, the second base material 61 can be a transparent glass substrate or a transparent flexible substrate. The second electrode layer 62 can be formed on the second base material 61 (e.g., the lower surface). In some embodiments of the present application, the second electrode layer 62 can include, but is not limited to, an Indium Tin Oxide (ITO) electrode. In some embodiments of the present application, the second electrode layer 62 can be a data electrode. The second alignment film 63 can be formed on the second electrode layer 62 (e.g., the lower surface).

[0050] Referring to FIG. 12 and FIG. 13 (the cross-sectional schematic view of FIG. 12), a pressure F is applied to the second conductive substrate 60 (e.g., the second base material 61) to press the first height H 11 of the first cross-wall 10 and the thickness of the sealing material 50 to be consistent with the second height H 22 of the second cross-wall 20. After the sealing material 50 is cured, the liquid crystal display assembly 1 can be obtained.

[0051] In the embodiments shown in FIG. 1 to FIG. 13, by forming multiple cross-walls (including, for example, the first cross-wall 10 and the second cross-wall 20) with different heights to collectively define multiple pixel regions P, the rate of liquid crystal 30 flowing to each pixel region P can be increased, the liquid crystal 30 drop-in or injection time can be shortened, and the liquid crystal 30 can be uniformly distributed during the liquid crystal 30 drop-in or injection process, thereby improving the manufacturing efficiency and yield of the liquid crystal display assembly 1.

[0052] FIG. 14 shows one or more stages of some embodiments of the manufacturing method of the liquid crystal display assembly of the present application. The stages depicted in FIG. 14 are similar to the stages depicted in FIG. 7, except that the sealing material 50a of FIG. 14 further forms an injection port 52. In some embodiments of the present application, the stages depicted in FIG. 10 and FIG. 11 can be followed by the stages depicted in FIG. 14, except that the liquid crystal 30 is injected through the injection port 52 of the sealing material 50a of FIG. 14 after the stages depicted in FIG. 10 and FIG. 11 (e.g., pressing the second conductive substrate 60 on the sealing material 50a) are completed, and flows through the multiple cross-walls (e.g., the first cross-wall 10 and the second cross-wall 20) with different heights to each pixel region P.

[0053] The technical content and technical features of the present application have been disclosed above, however, those skilled in the art can make various substitutions and modifications based on the teachings and disclosures of the present application without departing from the spirit of the present application. Therefore, the scope of protection of the present application should not be limited to the disclosed content of the embodiments, but should include various substitutions and modifications without departing from the present application, and is covered by the claims of the present patent application.

Claims

1. A method for manufacturing a liquid crystal display assembly, comprising: providing a first conductive substrate; forming a plurality of cross walls of different heights on the first conductive substrate, so as to define a plurality of pixel areas by the plurality of cross walls; forming a sealing material on the periphery of the plurality of cross walls; Dropping liquid crystal into at least one of the pixel regions, and allowing the liquid crystal to flow to the remaining pixel regions through the multiple cross walls of different heights; and The second conductive substrate is pressed onto the sealing material to seal the liquid crystal.

2. The manufacturing method according to claim 1, wherein forming the plurality of cross walls of different heights comprises: forming a first cross wall having a first height; and A second cross wall having a second height is formed. 3 . The manufacturing method according to claim 2 , wherein the second height of the second cross wall is lower than the first height of the first cross wall. The manufacturing method according to claim 3 , wherein the number of the second cross walls is greater than the number of the first cross walls. 5 . The manufacturing method according to claim 2 , wherein the first cross wall comprises a first wall portion and a second wall portion, the first wall portion has the first height, the second wall portion has a second height, and the second height of the second wall portion is different from the first height of the first wall portion. 6 . The manufacturing method according to claim 5 , wherein the first cross wall further comprises a third wall portion having a third height, and the third height of the third wall portion is different from the first height of the first wall portion or the second height of the second wall portion. 7 . The manufacturing method according to claim 6 , wherein the first cross wall further comprises a fourth wall portion having a fourth height, and the fourth height of the fourth wall portion is different from the first height of the first wall portion or the second height of the second wall portion. 8 . The manufacturing method according to claim 7 , wherein the fourth height of the fourth wall portion is the same as the third height of the third wall portion.

9. The manufacturing method according to claim 2, wherein the second cross wall comprises a first wall portion and a second wall portion, the first wall portion has a first height, the second wall portion has the second height, and the first height of the first wall portion is different from the second height of the second wall portion. 10 . The manufacturing method according to claim 9 , wherein the second cross wall further comprises a third wall portion having a third height, and the third height of the third wall portion is different from the first height of the first wall portion or the second height of the second wall portion. 11 . The manufacturing method according to claim 10 , wherein the second cross wall further comprises a fourth wall portion having a fourth height, and the fourth height of the fourth wall portion is different from the first height of the first wall portion or the second height of the second wall portion. 12 . The manufacturing method according to claim 11 , wherein the fourth height of the fourth wall portion is the same as the third height of the third wall portion. 13 . The manufacturing method according to claim 2 , wherein in the step of flowing the liquid crystal to the remaining pixel regions, a contact area between the liquid crystal and the second cross-wall is different from a contact area between the liquid crystal and the first cross-wall.

14. The manufacturing method according to claim 3, further comprising: Applying pressure on the second conductive substrate to press the first height of the first cross wall down to the same height as the second height of the second cross wall through the second conductive substrate. 15 . The manufacturing method according to claim 1 , wherein in the step of forming the sealing material on peripheries of the plurality of cross walls, a height of at least one of the plurality of cross walls is smaller than a thickness of the sealing material.

16. A wall structure for forming a pixel region, comprising: First Cross Wall; and A second cross wall is spaced apart from the first cross wall, and the second cross wall and the first cross wall jointly define a plurality of pixel areas, wherein a second height of the second cross wall is different from a first height of the first cross wall.

17. The wall structure of claim 16, wherein the second height of the second cross-wall is lower than the first height of the first cross-wall.

18. The wall structure of claim 17, wherein a distribution density of the second cross walls is greater than a distribution density of the first cross walls.

19. The wall structure of claim 16, wherein the first cross wall comprises a plurality of wall portions, and at least two of the plurality of wall portions have different heights.

20. The wall structure of claim 16, wherein the second cross wall comprises a plurality of wall portions, and at least two of the plurality of wall portions have different heights.

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