TWI629541B - Displaying panel and manufacturing method thereof - Google Patents

Abstract

A method for manufacturing a display panel includes the following steps: providing a color filter substrate including a first substrate, a light auxiliary layer, and a plurality of color filter layers; providing a counter substrate; and providing a liquid crystal including a plurality of liquid crystal molecules and a plurality of liquid crystal active monomers A layer is located between the color filter substrate and the opposite substrate; a light source is provided from the color filter substrate side, and the light emitted from the light source is transmitted through the light auxiliary layer to the liquid crystal layer to transform the liquid crystal active monomer into a polymer wall structure. The invention also provides a display panel.

Description

Display panel and manufacturing method thereof

The invention relates to a method for manufacturing a display panel, and more particularly to a display panel involving a polymer wall manufacturing process and a method for manufacturing the same.

In the technical field of display panels, there are some practical problems that need to be resolved. For example, there is a need to enhance the reliability of the touch panel pressing, reduce the movement of the spacer in the liquid crystal cell, and maintain the liquid crystal cell gap in the flexible panel. Therefore, the technology of supporting liquid crystal cells with polymer walls has begun to receive attention.

In the manufacturing process of the polymer wall, the liquid crystal molecules are mixed with the liquid crystal reactive monomers in advance, and then a collimated ultraviolet light source is used in combination with the local exposure of the photomask to form the polymer wall at a specific position.

However, if the above-mentioned local irradiation step is inaccurate or insufficient, the polymer wall structure is not easily formed in a predetermined area or the predetermined polymer wall structure is not easy to be formed.

In view of this, an embodiment of the present invention provides a display panel and a method for manufacturing the same, which can solve the above-mentioned problems of insufficient exposure range and large-angle color mixing.

A method for manufacturing a display panel according to an embodiment of the present invention includes: providing a color filter substrate, providing a counter substrate, providing a liquid crystal layer including a plurality of liquid crystal molecules and a plurality of liquid crystal active monomers, and providing a light source from a color filter substrate side so that The light emitted by the light source passes through the light auxiliary layer to the liquid crystal layer, so that the liquid crystal active monomer is transformed into a polymer wall structure.

In an embodiment of the present invention, a height of the light auxiliary layer is greater than a height of the color filter layer.

In an embodiment of the present invention, the width of the polymer wall structure is greater than the width of the light auxiliary layer.

In an embodiment of the present invention, the colors of the color filter layers on the two sides of the light auxiliary layer are the same.

In an embodiment of the present invention, the above-mentioned polymer wall structure is optically isotropic.

In an embodiment of the present invention, when the polymer wall structure is located between the upper polarizing layer and the lower polarizing layer, when the polymer wall is viewed with an optical device, the polymer wall structure is dark.

A display panel according to an embodiment of the present invention includes a substrate including a plurality of color filter layers and a light auxiliary layer, an opposite substrate, a liquid crystal layer, and a polymer wall located in the liquid crystal layer and substantially overlapping the light auxiliary layer at least partially. structure.

In an embodiment of the present invention, a height of the light auxiliary layer is greater than a height of the color filter layer.

In an embodiment of the present invention, the width of the polymer wall structure is equal to or greater than the width of the light auxiliary layer.

In an embodiment of the present invention, the colors of the color filter layers on the two sides of the light auxiliary layer are the same.

In an embodiment of the present invention, the above-mentioned polymer wall structure is optically isotropic.

In one embodiment of the present invention, the material of the photo-assisted layer includes a curable resin composition.

In an embodiment of the present invention, when the polymer wall structure is located between the upper polarizing layer and the lower polarizing layer, when the polymer wall is viewed with an optical device, the polymer wall structure is dark.

Based on the above, through the display panel and the manufacturing method thereof according to an embodiment of the present invention, the problems of insufficient exposure range and large-angle color mixing can be solved.

In order to make the above features and advantages of the present invention more comprehensible, embodiments are hereinafter described in detail with reference to the accompanying drawings.

The diagrams herein are only examples of parts of the invention. Therefore, the shape, number, and proportion of each element shown in the schematic diagram should not be used to limit the present invention. For example, the actual numbers, sizes, and shapes of the predetermined areas and pixel areas in the diagram are for illustration only, and do not represent the actual numbers, sizes, and shapes of the predetermined areas and pixel areas of the present invention must be as shown in the figure. As shown.

FIG. 1A is a schematic partial top view of a display panel 1 according to an embodiment of the present invention. FIG. 1B is a schematic cross-sectional view taken along the line AA 'and a part of the peripheral region of the display panel in FIG. 1A.

Please refer to FIG. 1A and FIG. 1B together. The display panel 1 includes a color filter substrate 10, an opposite substrate 20, a liquid crystal layer 30, and a polymer wall structure 40. In this embodiment, the opposite substrate 20 is, for example, an active element array substrate, and is, for example, a thin film transistor pixel array substrate, but is not limited thereto. In other variations, the opposite substrate 20 is, for example, a blank substrate, and the color filter substrate 10 is, for example, a COA (color filter on array) substrate, but it is not limited thereto.

The color filter substrate 10 includes a first substrate 12, a light auxiliary layer 14, and a plurality of color filter layers 16. In addition, the color filter substrate 10 further includes a black matrix 17.

The first substrate 12 has a predetermined area 122 and a plurality of pixel areas 124. In one embodiment, the material of the first substrate 12 may be glass, quartz, organic polymer, or other materials that can transmit light.

The light auxiliary layer 14 is disposed on the first substrate 12 and is substantially located in the predetermined area 122 and not in the pixel area 124, that is, the light auxiliary layer 1 is completely located in the predetermined area 122 or the majority of the light auxiliary layer 1. It is located in the predetermined area 122 and a small part is beyond the predetermined area 122. The material of the light auxiliary layer 14 is not particularly limited as long as it can meet the characteristics that UV light can penetrate, is suitable for photolithography processes, and has high thermal stability. In one embodiment, the material of the light auxiliary layer 14 includes a curable resin composition.

The photo-assisted layer 14 may be formed of a curable resin composition, which may include an alkali-soluble resin, an ethylenically unsaturated monomer, a blocked polyisocyanate, a photoinitiator, a polyfunctional epoxy compound, and / or Its polymers, additives and solvents.

The alkali-soluble resin may be methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, second butyl methacrylate, third butyl methacrylate, methyl acrylate, isopropyl acrylate, Cyclohexyl acrylate, 2-methylcyclohexyl methacrylate, dicyclopentenyl acrylate, dicyclopentane acrylate, dicyclopentenyl methacrylate, dicyclopentyl methacrylate, acrylic acid 1-adamantyl ester, 1-adamantyl methacrylate, ethoxy dicyclopentane methacrylate, isobornyl methacrylate, cyclohexyl acrylate, 2-methylcyclohexyl acrylate, ethyl Dicyclopentyl acrylate, isobornyl acrylate, phenyl methacrylate, phenyl acrylate, benzyl acrylate, 2-hydroxyethyl methacrylate, styrene, o-methylstyrene, m-methylbenzene Ethylene, p-methylstyrene, p-methoxystyrene, 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, polyimide and other compounds . Further, only one monomer may be used or a plurality of monomers may be used.

Based on the total content of the alkali-soluble resin being 100 parts by weight, the content of the ethylenically unsaturated monomer is 2 to 50 parts by weight, preferably 15 to 45 parts by weight. Within the above range, the solubility in the alkaline aqueous solution is ideal .

The content of the blocked polyisocyanate is 2 to 50 parts by weight, preferably 15 to 45 parts by weight based on the total content of the alkali-soluble resin.

The content of the photo-initiator is 0 to 1 part by weight, preferably 0.01 to 0.5 part by weight based on the total content of the alkali-soluble resin.

Examples of the polyfunctional epoxy compound and / or its polymer include glycidyl acrylate, glycidyl methacrylate, α-ethyl glycidyl acrylate, α-n-propyl glycidyl acrylate, and α-n-butyl acrylate. Glycidyl acrylate, β-methylglycidyl acrylate, β-methylglycidyl methacrylate, β-ethylglycidyl acrylate, β-ethylglycidyl methacrylate, 3,4-acrylic acid Butyl epoxy, 3,4-butylene methacrylate, 6,7-epoxyheptyl acrylate, 6,7-epoxyheptyl methacrylate, α-ethyl acrylic acid 6,7-epoxy Ethylene with epoxy group, such as heptyl ester, o-vinyl benzyl glycidyl ether, m-vinyl benzyl glycidyl ether, p-vinyl benzyl glycidyl ether, 3,4-epoxycyclohexyl methacrylate, etc. Unsaturated compounds, or polymers or copolymers of these compounds. Moreover, a polyfunctional epoxy compound and / or its polymer may be used only one type, and multiple types may be used.

The content of the polyfunctional epoxy compound and / or its polymer is 0 to 10 parts by weight, preferably 2 to 8 parts by weight based on the total content of the alkali-soluble resin.

The content of the alkali-soluble resin is 100 parts by weight, and the content of the solvent is 20 to 90 parts by weight, preferably 50 to 80 parts by weight.

In one embodiment, the height H1 of the light auxiliary layer 14 is 1.0 μm to 10.0 μm, and preferably 3.0 μm to 5.0 μm.

In one embodiment, the width W1 of the light auxiliary layer 14 is 5.0 μm to 30.0 μm, and preferably 5 μm to 20 μm.

The color filter layer 16 is disposed on the first substrate 12 and is located in the pixel region 124. In one embodiment, the color filter layer 16 may include a red filter layer 16r, a blue filter layer 16b, and a green filter layer 16g.

In one embodiment, the height H1 of the light auxiliary layer 14 is greater than the height H2 of the color filter layer 16. The height H2 of the color filter layer 16 is 1 μm to 5 μm, and preferably 1.2 μm to 4 μm.

The arrangement of the red filter layer 16r, the blue filter layer 16b, and the green filter layer 16g in the pixel region 124 is not particularly limited. In this embodiment, the colors of the color filter layers 16 located on both sides of the light auxiliary layer 14 may be the same. For example, in the case of the leftmost light auxiliary layer 14 in FIG. 1B, the leftmost light auxiliary layer 14 The color filter layers 16 on both sides are green filter layers 16g. As shown in FIG. 1A, a red filter layer 16r, a blue filter layer 16b, and a green filter layer 16g are respectively disposed in the two pixel regions 124, and the red filter layer 16r and the blue filter are respectively provided. A black matrix 17 is provided between the light layers 16b and between the blue filter layer 16b and the green filter layer 16g.

The arrangement of the color filter layers 16 in each pixel region 124 need not be the same, and the color filter layers 16 located on both sides of the light auxiliary layer 14 may be the same color, as shown in the modification of FIG. 2A, FIG. 2A and FIG. The difference between 1A is only that: in each pixel region 124 in FIG. 2A, the color filter layer 16 is not arranged in the same way, but any two adjacent pixel regions 124 are located in the light auxiliary layer 14. The colors of the color filter layers 16 on both sides are the same.

Alternatively, as shown in the modification of FIG. 2B, the red filter layer 16r, the blue filter layer 16b, and the green filter layer 16g may be provided so that two pixels are provided in one pixel area 124, and The black matrix 17 separates each color filter layer. The difference between FIG. 2B and FIG. 1A is only that: in the pixel area 124 of FIG. 2B, each pixel area 124 corresponds to the width of two pixels in the X direction (the width of about 6 sub-pixels), and each The pixel area 124 corresponds to the length of one pixel in the Y direction.

Alternatively, as shown in the modification of FIG. 2C, the red filter layer 16r, the blue filter layer 16b, and the green filter layer may be provided in a manner that four pixels arranged in an array are arranged in one pixel region 124. 16g, and each color filter layer is separated by a black matrix 17. The difference between FIG. 2C and FIG. 1A is only that: in the pixel area 124 of FIG. 2C, each pixel area 124 corresponds to the width of two pixels in the X direction (the width of about 6 sub-pixels), and each The pixel area 124 corresponds to the length of two pixels in the Y direction (about the length of two sub-pixels).

Alternatively, as shown in the modification of FIG. 2D, the red filter layer 16r, the blue filter layer 16b, and the green filter layer may be provided in such a manner that four pixels arranged in an array are arranged in one pixel region 124. 16g, and each color filter layer is separated by a black matrix 17. The difference between FIG. 2D and FIG. 2C is only that the arrangement of the colors of the color filter layer 16 in the Y direction is different from that of FIG. 2C, but between any two adjacent pixel regions 124 is located in the two of the light auxiliary layer 14 The color of the side color filter layer 16 remains the same.

In one embodiment, the width W2 of the black matrix 17 is substantially the same as the width W1 of the light auxiliary layer 14. The width W2 of the black matrix 17 is 1 μm to 20 μm, and preferably 3 μm to 15 μm.

The liquid crystal layer 30 is disposed between the color filter substrate 10 and the opposite substrate 20. The liquid crystal layer 30 includes a plurality of liquid crystal molecules and a plurality of liquid crystal active monomers (not shown in FIG. 1B).

Examples of the liquid crystal molecules include liquid crystal molecules that can be rotated or switched by a horizontal electric field or liquid crystal molecules that can be rotated or switched by a vertical electric field, but are not limited thereto.

Examples of the liquid crystal active monomer include compounds represented by the following formulae (1) to (7): Formula 1) Equation (2) Equation (3) Equation (4) Formula (5) In formulas (1) to (5), R represents hydrogen (H), fluorine (F), chlorine (Cl), cyanide (CN), SCN, -SF ₅ H, NO ₂ , and has 1 to A single or branched alkyl group of 12 carbon atoms, or -X ₂ -Sp ₂ -P ₂ . X ₁ and X ₂ each independently represent -O-, -S-, -OCH _2- , -CO-, -COO-, -OCO-, -CO-N ⁰ R-, -N ⁰ R-CO-,- SCH _2- , -CH ₂ S-, -CH = CH-COO-, -OOC-CH = CH- or single bond. P ₁ and P ₂ each independently represent a polymeric group; Sp ₁ represents a spacer group or a single group; m ≧ 1; n ≧ 1. The m L's each independently represent fluorine, chlorine, cyanide, or an alkyl group having 1 to 7 carbon atoms, an alkylcarbonyl group, an alkoxycarbonyl group, or an alkylcarbonyloxy group. G ₁ and G ₂ each independently represent -O-, -S-, -CO-, -COO-, -OCO-, -OCH _2- , -SCH _2- , -CH ₂ S-, -CH = CH-COO -, -OOC-CH = CH-, -CF ₂ O-, -OCF _2- , -CF ₂ S-, -SCF _2- , -C ₂ H _4- , -CF ₂ CH _2- , -CH ₂ CF _2- , -CF ₂ CF _2- , -CH = CH-, -CF = CF-, -C≡C-, or a single bond. In addition, when R is a single- or branched-chain alkyl group having 1 to 12 carbon atoms, one or two of the non-adjacent CH ₂ groups may be additionally represented by -O-, -S-, -CH = CH- , -CO-, -OCO-, -COO-, -S-CO-, -CO-S- or -C≡C- (alkyne), and O and / or S atoms are not directly bonded to each other. When L is an alkyl group, an alkylcarbonyl group, an alkoxycarbonyl group or an alkcarbonyloxy group having 1 to 7 carbon atoms, one or more H atoms thereof may be additionally replaced by F or Cl. Equation (6) Formula (7) In Formula (7), R 'each independently represents a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 12 carbon atoms. Oxygen.

The "polymeric group" herein may include an acrylate group or a methacrylate group, and the like.

In a preferred embodiment of the present invention, the liquid crystal active monomer may be a compound represented by the following formula (8) or formula (9): Equation (8) Equation (9)

In addition, in a preferred embodiment of the present invention, the photoinitiator may further include a compound selected from oxybenzone, benzophenone, benzotriazole, 1-hydroxycyclohexylphenyl ketone, and Irgacure. 651, 3690, and 819 (all are trade names, manufactured by Ciba) and photoinitiators of derivatives of these compounds.

Based on the total used amount of the liquid crystal molecules being 100 parts by weight, the total used amount of the liquid crystal active monomer is greater than 0 and less than or equal to 30 parts by weight, preferably 3 to 20 parts by weight.

The polymer wall structure 40 is located in the liquid crystal layer 30, and the polymer wall structure 40 substantially overlaps with the light auxiliary layer 14 at least partially. The polymer wall structure 40 transmits a light source through the color filter substrate 10 side, and transmits light emitted from the light source through the light auxiliary layer 14 to the liquid crystal layer 30 to convert the liquid crystal active monomer in the liquid crystal layer 30 into a polymer wall. Structure 40.

In one embodiment, the width W3 of the polymer wall structure 40 is greater than the width W1 of the light auxiliary layer 14. The width W3 of the polymer wall structure 40 is 1 μm to 40 μm, preferably 5 μm to 30 μm.

The polymer wall structure 40 has optical isotropy (that is, its refractive index anisotropy (Δn) value is 0). Therefore, when the polymer wall structure 40 is located between an upper polarizing layer and a lower polarizing layer (not shown) ) State, when the polymer wall structure 40 is observed with an optical device, the polymer wall structure 40 is dark, and can play the same or similar function as the black matrix 17.

In this embodiment, a specific arrangement manner of the light auxiliary layer 14 and the color filter layer 16 in the display panel 1 can be used to maintain the gap between the color filter layers. Therefore, the problem of insufficient exposure range in some areas can be solved, and the problem of color mixing caused by light with a large angle can be avoided. On the other hand, a suitable polymer wall structure can be made without going through the COA process.

3A to 3 and 4A and 4B are flowcharts of a method for manufacturing a display panel according to an embodiment of the present invention. It must be noted here that FIG. 3A to FIG. 3E follow the component numbers and parts of the embodiments of FIGS. 1A and 1B, in which the same or similar reference numerals are used to indicate the same or similar components, and the same technical content is omitted. Instructions. For the description of the omitted parts, reference may be made to the foregoing embodiments, and the following embodiments are not repeated.

First, referring to FIG. 3A, a predetermined region 122 and a pixel region 124 of the first substrate 12 are defined on the first substrate 12 to set the light auxiliary layer 14. The light auxiliary layer 14 can be provided by coating the curable resin composition as described above on the first substrate 12 and then exposing and developing with a photomask having a specific pattern so that the curable resin located on the predetermined area 122 The composition is hardened, and the curable resin composition located on the pixel region 124 is removed to obtain the light auxiliary layer 14.

Next, referring to FIG. 3B, a black matrix 17 is disposed on the pixel region 124 of the first substrate 12.

Then, referring to FIG. 3C, a red filter layer 16r, a blue filter layer 16b, and a green filter layer 16g are respectively disposed on the pixel region 124 of the first substrate 12.

3D, after the surface of the color filter layer 16 is coated with an alignment film (not shown), a spacer 18 is provided at a specific position of the alignment film.

Thereafter, referring to FIG. 3E, after an alignment film (not shown) is coated on the surface of the counter substrate 20, a liquid crystal layer 30 is disposed between the color filter substrate 10 and the counter substrate 20 to manufacture a liquid crystal cell. To produce a liquid crystal cell, the following two methods can be cited, for example.

First method: First, the color filter substrate 10 and the opposite substrate 20 are arranged opposite to each other with a gap 18 therebetween; and a sealant is used to join the peripheral portions of the color filter substrate 10 and the opposite substrate 20 to form a cell gap Injecting liquid crystal molecules 32 and liquid crystal active monomers 34 into the intercellular space through the injection holes; and closing the injection holes, so that a liquid crystal cell can be manufactured.

The second method: a method called a One Drop Fill (ODF) method. First, a predetermined portion of the color filter substrate 10 or the counter substrate 20 on which an alignment film is formed is coated with, for example, an ultraviolet curable sealing material; a mixture of liquid crystal molecules 32 and liquid crystal reactive monomers 34 is dropped on the surface of the alignment film; The color filter substrate 10 and the counter substrate 20 are bonded.

Finally, referring to FIG. 4A, a photomask 50 is provided on the color filter substrate 10 side (that is, the outer side of the first substrate 12), and a light source is provided on the color filter substrate 10 side (that is, the outer side of the first substrate 12). The light hv emitted by the light source passes through the light transmitting portion (not labeled) of the photomask 50 and the light auxiliary layer 14 to the liquid crystal layer 30 to transform the liquid crystal active monomer 34 into a polymer wall structure 40.

Alternatively, as shown in the modified example of FIG. 4B, the liquid crystal active monomer 35 used in this modified example may react when exposed to light of a specific wavelength (for example, 313 nm), and the light of the specific wavelength It cannot penetrate the color filter layer 16 but can penetrate the light auxiliary layer 14. In this way, the color filter layer 16 itself can achieve the function of a photomask, that is, there is no need to provide an additional photomask 50 on the color filter substrate 10 side, so that the light hv ′ emitted from the light source passes through the light auxiliary layer 14 to the liquid crystal layer 30, The liquid crystal active monomer 35 is transformed into a polymer wall structure 42.

In summary, in a display panel and a method for manufacturing the same according to an embodiment of the present invention, a color auxiliary substrate is provided with a light auxiliary layer, and the color filter layers on both sides of the light auxiliary layer have the same color. In the polymer wall process, the problem of insufficient exposure range and large-angle color mixing.

Although the present invention has been disclosed as above with the examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some modifications and retouching without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be determined by the scope of the attached patent application.

1‧‧‧display panel
10‧‧‧color filter substrate
12‧‧‧ the first base
122‧‧‧Booking area
124‧‧‧Pixel Area
14‧‧‧light auxiliary layer
16‧‧‧ color filter
16r‧‧‧red filter
16b‧‧‧blue filter
16g‧‧‧Green Filter
17‧‧‧ Black Matrix
18‧‧‧ Interstitial body
20‧‧‧ Opposite substrate
30‧‧‧LCD layer
32‧‧‧ liquid crystal molecules
34, 35‧‧‧ LCD active monomer
40, 42‧‧‧ polymer wall structure
50‧‧‧Mask
H1, H2‧‧‧ height
W1, W2, W3‧‧‧Width
hv, hv'‧‧‧ light

FIG. 1A is a schematic partial top view of a display panel according to an embodiment of the present invention. FIG. 1B is a schematic cross-sectional view taken along the line AA 'and a part of the peripheral region of the display panel in FIG. 1A. FIG. 2A is a schematic top view of a modified example of the display panel of the present invention. FIG. 2B is a schematic top view of a modified example of the display panel of the present invention. 2C is a schematic top view of a modified example of the display panel of the present invention. FIG. 2D is a schematic top view of a modified example of the display panel of the present invention. 3A to 3E are flowcharts of a method for manufacturing a display panel according to the present invention. FIG. 4A is a flowchart of a method for manufacturing a display panel according to the present invention. FIG. 4B is a flowchart of a modified example of the method of manufacturing the display panel of the present invention.

Claims (20)

A method for manufacturing a display panel includes: providing a color filter substrate, including: a first substrate having a predetermined area and a plurality of pixel areas; a light auxiliary layer on the first substrate and substantially located on the first substrate; The predetermined area is not located in the pixel area; and a plurality of color filter layers are respectively located in the pixel area; a pair of facing substrates are provided; a liquid crystal layer is provided in the color filter substrate And between the opposite substrates, the liquid crystal layer includes a plurality of liquid crystal molecules and a plurality of liquid crystal active monomers; and a light source is provided from the color filter substrate side, so that light emitted by the light source passes through the light auxiliary layer to The liquid crystal layer is used to transform the liquid crystal active monomer into a polymer wall structure. The method for manufacturing a display panel according to item 1 of the scope of patent application, wherein a height of the light auxiliary layer is greater than a height of the color filter layer. The method for manufacturing a display panel according to item 1 of the scope of patent application, wherein a height of the light auxiliary layer is 1.0 μm to 10.0 μm. The method for manufacturing a display panel according to item 1 of the scope of patent application, wherein a width of the polymer wall structure is greater than a width of the light auxiliary layer. The method for manufacturing a display panel according to item 1 of the scope of patent application, wherein the width of the polymer wall structure is 1 μm to 40 μm. The method for manufacturing a display panel according to item 1 of the scope of patent application, wherein the color filter layers located on both sides of the light auxiliary layer have the same color. The method for manufacturing a display panel according to item 1 of the scope of patent application, wherein the polymer wall structure has optical isotropy. The method for manufacturing a display panel according to item 7 of the scope of patent application, wherein a material of the light auxiliary layer includes a curable resin composition. The method for manufacturing a display panel according to item 1 of the patent application scope, wherein the liquid crystal active monomer includes at least one compound selected from the group consisting of a compound having an acrylate group and a methacrylate group. The method for manufacturing a display panel according to item 9 of the scope of patent application, wherein based on the total used amount of the liquid crystal molecules is 100 parts by weight, the total used amount of the liquid crystal active monomer is greater than 0 and less than or equal to 30 weights. Serving. The method for manufacturing a display panel according to item 1 of the scope of patent application, wherein when the polymer wall structure is located between an upper polarizing layer and a lower polarizing layer, the polymer wall structure is observed with an optical device. The polymer wall structure appears dark. A display panel includes: a color filter substrate including: a first substrate having a predetermined area and a plurality of pixel areas; a light auxiliary layer on the first substrate and substantially located in the predetermined area Within the pixel region; and a plurality of color filter layers respectively located in the pixel region; a pair of substrates; a liquid crystal layer located in the color filter substrate and the opposite substrate Between; and a polymer wall structure located in the liquid crystal layer, the polymer wall structure substantially at least partially overlaps the light auxiliary layer. The display panel according to item 12 of the application, wherein a height of the light auxiliary layer is greater than a height of the color filter layer. The display panel according to item 12 of the scope of patent application, wherein a height of the light auxiliary layer is 1.0 μm to 10.0 μm. The display panel according to item 12 of the scope of patent application, wherein a width of the polymer wall structure is greater than a width of the light auxiliary layer. The display panel according to item 12 of the scope of patent application, wherein the width of the polymer wall structure is 1 μm to 40 μm. The display panel according to item 12 of the scope of patent application, wherein the color filter layers located on both sides of the light auxiliary layer have the same color. The display panel according to item 12 of the scope of patent application, wherein the polymer wall structure is optically isotropic. The display panel according to claim 18, wherein a material of the light auxiliary layer includes a curable resin composition. The display panel according to item 12 of the scope of patent application, wherein when the polymer wall structure is located in an upper polarizing layer and a lower polarizing layer, the polymer wall structure is observed by an optical device, The structure of the wall is dark.