CN113671757A - Liquid crystal display panel and manufacturing method thereof - Google Patents
Liquid crystal display panel and manufacturing method thereof Download PDFInfo
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- CN113671757A CN113671757A CN202111009951.1A CN202111009951A CN113671757A CN 113671757 A CN113671757 A CN 113671757A CN 202111009951 A CN202111009951 A CN 202111009951A CN 113671757 A CN113671757 A CN 113671757A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 178
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims description 8
- 239000003086 colorant Substances 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 19
- 230000000007 visual effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
Abstract
The application discloses LCD panel and be used for adjusting LCD panel's manufacturing method at liquid crystal pretilt angle, LCD panel includes: a first substrate; a second substrate disposed opposite to the first substrate; the liquid crystal layer is arranged between the first substrate and the second substrate; the liquid crystal layer comprises a plurality of liquid crystals, and each liquid crystal has a pretilt angle; the liquid crystal layer at least comprises a second area and a first area, wherein the liquid crystal in the first area has a first pretilt angle, and the liquid crystal in the second area has a second pretilt angle. The liquid crystal display panel simultaneously has the liquid crystal with a larger pretilt angle in the first area and the liquid crystal with a smaller pretilt angle in the second area, so that the problems of low response speed and dark state visual angle can be solved simultaneously.
Description
Technical Field
The application relates to the technical field of liquid crystal display panels, in particular to a liquid crystal display panel and a manufacturing method of the liquid crystal display panel for adjusting a pretilt angle of liquid crystal.
Background
In the conventional VA mode LCD, because the difference of birefringence of liquid crystal is large, the pixel design of multi-domain display is usually adopted to improve the color shift of the LCD under large viewing angles. The dark state visual angle of the VA liquid crystal display is strongly related to the pretilt angle of the liquid crystal, the dark state visual angle can be improved by reducing the pretilt angle of the liquid crystal, the color cast problem is solved, and the response time of the display is reduced due to the reduction of the pretilt angle of the liquid crystal. Therefore, the two problems of slow display response and slow viewing angle in the dark state can only be solved, and a liquid crystal display capable of solving the two problems simultaneously is urgently needed.
Disclosure of Invention
The present invention is directed to a liquid crystal display panel and a method for manufacturing a liquid crystal display panel for adjusting a pretilt angle of liquid crystal, which can simultaneously solve the problems of a slow response speed and a dark-state viewing angle.
To achieve the above object, the present invention provides a liquid crystal display panel including: a first substrate; a second substrate disposed opposite to the first substrate; the liquid crystal layer is arranged between the first substrate and the second substrate; the liquid crystal layer comprises a plurality of liquid crystals, and each liquid crystal has a pretilt angle; the liquid crystal layer at least comprises a first area and a second area, wherein the liquid crystal in the first area has a first pretilt angle, and the liquid crystal in the second area has a second pretilt angle.
Further, the second pretilt angle is smaller than the first pretilt angle, and the first area occupies 10% -20% of the area of the liquid crystal layer.
Further, the first pretilt is 2.5 ° and the second pretilt is 0.6 °.
In order to achieve the above object, the present invention further provides a method for manufacturing a liquid crystal display panel for adjusting a pretilt angle of liquid crystal, comprising the following steps: a liquid crystal layer is sealed between the first substrate and the second substrate which are oppositely arranged, and the liquid crystal layer comprises a plurality of liquid crystals; arranging an intermediate piece on the upper surface of the second substrate; irradiating the liquid crystal layer through the intermediate member by adopting at least two ultraviolet lights with different intensities, wherein the ultraviolet lights are irradiated to the liquid crystal layer through the intermediate member, so that the liquid crystal layer at least comprises a first area and a second area, the liquid crystal in the first area has a first pretilt angle, and the liquid crystal in the second area has a second pretilt angle; and removing the middleware.
Furthermore, the intermediate piece is a mask plate and is provided with a plurality of light transmitting areas; on the second substrate, the area irradiated by the ultraviolet light through the light-transmitting area is the first area, and the rest are second areas, wherein the ultraviolet light irradiation intensity received by the second areas is smaller than the ultraviolet light irradiation intensity received by the first areas.
Furthermore, the first substrate and the second substrate both comprise a plurality of pixel units which are opposite to each other, and each pixel unit comprises a plurality of sub-pixels with different colors; and each light-transmitting area of the mask plate is respectively arranged corresponding to the sub-pixels.
Further, the intermediate member is a lens group plate, a plurality of lenses are arranged on the lens group plate, and each lens is used for gathering or diverging light; on the liquid crystal layer, the area irradiated by ultraviolet light through the lens is a first area, and the rest area is a second area, wherein the ultraviolet light irradiation intensity received by the first area is greater than the ultraviolet light irradiation intensity received by the second area.
Furthermore, the first substrate and the second substrate both comprise a plurality of pixel units which are opposite to each other, and each pixel unit comprises a plurality of sub-pixels with different colors; at least one lens in the lens group plate is arranged in a staggered mode with the sub-pixels.
Further, the lenses in the lens group plate are convex lenses, or a combination of convex lenses and concave lenses.
Further, the first area receives ultraviolet irradiation intensity which is more than or equal to 0.26mw/cm2The ultraviolet irradiation intensity received by the second area is less than 0.26mw/cm2。
The liquid crystal display panel and the preparation method thereof have the advantages that the liquid crystal display panel simultaneously has the liquid crystal with a larger pretilt angle in the first area and the liquid crystal with a smaller pretilt angle in the second area, and the problems of low response speed and dark state visual angle can be solved simultaneously.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a liquid crystal display panel provided in embodiment 1 of the present application.
Fig. 2 is a schematic structural diagram of a mask plate as an intermediate member provided in embodiment 1 of the present application.
Fig. 3 is a schematic structural diagram of liquid crystals with different pretilt angles provided in embodiment 1 of the present application.
Fig. 4 is a schematic structural diagram of aligned liquid crystals provided in embodiment 1 of the present application.
Fig. 5 is a flowchart of a method for manufacturing a liquid crystal display panel according to embodiment 1 of the present application.
Fig. 6 is a schematic structural diagram of the intermediate member, which is a lens group plate, provided in embodiment 2 of the present application.
The components of the drawings are identified as follows:
100. a liquid crystal layer; 110. A first region;
120. a second region; 200. A mask plate;
210. a light-transmitting region; 211. A shielded area;
300. a lens group plate; 310. A lens;
130. a liquid crystal; 10. A first substrate;
20. a second substrate; 30. A first alignment film;
40. a second alignment film; 110a, a first sub-region;
120a, a second sub-region; 311. A gap.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Example 1
As shown in fig. 1, the present embodiment provides a liquid crystal display panel, which includes a first substrate 10, a second substrate 20, and a liquid crystal layer 100 disposed between the first substrate 10 and the second substrate 20, wherein the first substrate 10 is an array substrate, and the second substrate 20 is a color filter substrate.
The liquid crystal display panel provided by the present embodiment further includes alignment films respectively disposed on the first substrate 10 and the second substrate 20, that is, a first alignment film 30 disposed on the first substrate 10 and a second alignment film 40 disposed on the second substrate 20.
As shown in fig. 2-3, the liquid crystal layer 100 includes a plurality of liquid crystals 130 and liquid crystal reaction monomers, the surfaces of the first alignment film 30 and the second alignment film 40 have liquid crystal alignment polymers, and the liquid crystals 130 are aligned after being irradiated by ultraviolet light to align the liquid crystals 130, so that the liquid crystals 130 have at least one pretilt angle. The magnitude of the pretilt angle directly affects the response time of the display panel, wherein the larger the pretilt angle, the faster the response speed. The dark state viewing angle displayed by the liquid crystal 130 is also directly related to the pretilt angle of the liquid crystal 130, and decreasing the pretilt angle can improve the dark state viewing angle. To solve the problem of slow dark-state viewing angle and response speed, the requirements for the pretilt angle of the liquid crystal 130 are opposite, so that the two problems are difficult to be solved simultaneously.
To solve the above problem, the liquid crystal layer 100 of the present embodiment has at least one first region 110 and at least one second region 120. The pretilt angle of the liquid crystal 130 in the first region 110 is a first pretilt angle θ 1, the pretilt angle of the liquid crystal 130 in the second region 120 is a second pretilt angle θ 2, and the first pretilt angle θ 1 is not equal to the second pretilt angle θ 2. For example, the first pretilt θ 1 may be greater than the second pretilt θ 2, or may be smaller than the second pretilt θ 2.
In order to more intuitively show how the magnitude of the pretilt angle of the liquid crystal affects the display effect, the second pretilt angle θ 2 is smaller than the first pretilt angle θ 1 in this embodiment as an example. The liquid crystal 130 located in the first region 110 is defined as the liquid crystal 130 with a large pretilt angle, so as to improve the response time of the display panel and solve the problem of slow response speed; the liquid crystal in the second region 120 is defined as the liquid crystal 130 with a smaller pretilt angle to solve the problem of dark-state viewing angle. Therefore, the liquid crystal display panel of the embodiment has the liquid crystal 130 with the larger pretilt angle in the first region 110 and the liquid crystal 130 with the smaller pretilt angle in the second region 120 at the same time, so that the problems of the slow response speed and the dark-state viewing angle can be solved at the same time.
It should be noted that, in the embodiment, the pretilt angle of the liquid crystal 130 located in the second region 120 is smaller than the pretilt angle of the liquid crystal 130 located in the first region 110, which is relative to the two regions. The liquid crystals 130 in the first region 110 may have a plurality of different pretilt angles, and similarly, the liquid crystals 130 in the second region 120 may also have a plurality of different pretilt angles, but the liquid crystal with the largest pretilt angle in the second region 120 is necessarily smaller than the liquid crystal with the smallest pretilt angle in the first region 110.
In this embodiment, the first pretilt is preset to be 2.5 ° and the second pretilt is 0.6 °. Of course, in other embodiments, the two pretilt angles may have other values, and the embodiments are not limited in this respect. In the conventional lcd panel, the pretilt angle of the liquid crystal 130 is generally 1 °, and the response speed is slow and the panel has a certain dark-state viewing angle. In the embodiment, the pretilt angle of the liquid crystal 130 in the first region 110 is larger, and the pretilt angle of the liquid crystal 130 in the second region 120 is smaller, so that the response speed can be better improved, and the problem of dark-state viewing angle can be solved.
It should be noted that the first region 110 includes at least one first sub-region 110a, the second region 120 includes at least one second sub-region 120a, the first sub-region 110a and the second sub-region 120a are disposed adjacently, and the patterns of the two are complementary to each other to form a symmetrical pattern. The pretilt angle of the liquid crystal 130 in the second sub-region 120a is smaller than the pretilt angle of the liquid crystal 130 in the first sub-region 110a, so that the dark-state viewing angle problem and the corresponding slow speed problem at each position of the liquid crystal display panel can be solved.
In some embodiments, the liquid crystal layer 100 may also have a third region or even a fourth region (not shown), and the number of the regions is not specifically limited in this embodiment. The pretilt angles of the third area and the fourth area can be 1 degree greater than the pretilt angle of the liquid crystal 130 in the prior art, and the pretilt angles can cooperate with the first area 110 to improve the response speed of the liquid crystal display panel; the pretilt angles of the third and fourth regions may also be less than 1 ° of the pretilt angle of the liquid crystal 130 in the prior art, and the pretilt angles may cooperate with the second region 120 to improve the dark-state viewing angle of the liquid crystal display panel.
Further, the first region 110 occupies 10% to 20% of the area of the liquid crystal layer 100, and the second region 120 occupies 80% to 90% of the area of the liquid crystal layer 100, wherein the first region 110 has a smaller area but a larger pretilt angle lift, which can significantly improve the response speed; the area of the second region 120 is larger, so that the problem of dark state viewing angle on the whole surface of the liquid crystal display panel can be improved more obviously.
In the liquid crystal display panel provided by this embodiment, the first substrate 10 and the second substrate 20 each include a plurality of pixel units, and each pixel unit includes a plurality of sub-pixels with different colors. As shown in fig. 4, after the second substrate 20 and the first substrate 10 are exposed, for example, 4-Domain (Domain) liquid crystals forming a single sub-pixel are aligned. In one domain of the sub-pixel, the liquid crystal with the first pretilt angle theta 1 and the liquid crystal with the second pretilt angle theta 2 have the advantages that the liquid crystal with the large pretilt angle can push the liquid crystal with the small pretilt angle to topple, namely, two or more than two liquid crystals with different pretilt angles can be formed in one sub-pixel, and therefore the variety of liquid crystal inversion is increased. Therefore, by arranging the liquid crystals with different pretilt angles in one sub-pixel, the response time of the liquid crystal display panel can be prolonged, and the dark state visual angle of the liquid crystal display panel can be improved.
Therefore, the liquid crystal display panel provided by the embodiment has two or more liquid crystals 130 with different pretilt angles, and can respectively solve the problems of a dark-state viewing angle and a slow response speed of the liquid crystal display panel.
As shown in fig. 5, the present embodiment further provides a method for manufacturing a liquid crystal display panel for adjusting a pretilt angle, including the following steps S1) -S4).
S1) sealing a liquid crystal layer between the first substrate 10 and the second substrate 20, the liquid crystal layer including a plurality of liquid crystals, referring to fig. 2 to 3.
A first alignment film 30 is formed on a surface of the first substrate 10, and a second alignment film 40 is formed on a surface of the second substrate 20. The liquid crystal layer 100 includes a plurality of liquid crystals 130 and liquid crystal reaction monomers therein, and the surfaces of the first alignment film 30 and the second alignment film 40 have liquid crystal alignment polymers, as shown in fig. 2 to 3.
S2) disposing an intermediate member on the upper surface of the second substrate 20, referring to fig. 2 to 3.
S3) irradiating the liquid crystal layer through the intermediate member with at least two ultraviolet lights of different intensities, wherein the ultraviolet lights are irradiated to the liquid crystal layer through the intermediate member, so that the liquid crystal layer at least includes a first region and a second region, wherein the liquid crystal in the first region has a first pretilt angle, and the liquid crystal in the second region has a second pretilt angle.
In this embodiment, the middle part is a mask plate 200, which has a plurality of transparent regions 210 and a plurality of shielding regions 211. The light source of the ultraviolet light is a plurality of point light sources, and the ultraviolet light source irradiates the liquid crystal layer 100 through the light transmitting region 210 of the mask plate 200. The liquid crystal layer 100 includes a plurality of liquid crystals 130 and liquid crystal reaction monomers, and the surfaces of the first alignment film 30 and the second alignment film 40 have liquid crystal alignment polymers. After the ultraviolet light is irradiated, the liquid crystal 130 is aligned, and the liquid crystal 130 is aligned, so that the liquid crystal 130 has at least one pretilt angle, as shown in fig. 2 to 3.
In the process of transmitting the ultraviolet light through the light-transmitting regions 210, the light entering the light-transmitting regions 210 includes light incident from various angles, and the shape of the ultraviolet light transmitted through one light-transmitting region 210 is trapezoidal, as shown in fig. 2 to 3.
In the liquid crystal layer 100, the area irradiated by the ultraviolet light passing through the transparent area 210 is the first area 110, and the rest is the second area 120, wherein the ultraviolet light received by the second area 120 is acted by the light reflected by other liquid crystals 130, obviously, the ultraviolet light intensity received by the liquid crystals 130 of the second area 120 is lower, so the ultraviolet light irradiation intensity received by the first area 110 is greater than the ultraviolet light irradiation intensity received by the second area 120, refer to fig. 2-3.
Therefore, in the finally manufactured liquid crystal display panel, the pretilt angle of the liquid crystal 130 of the second region 120 is smaller than the pretilt angle of the liquid crystal 130 of the first region 110. In addition, each light-transmitting area 210 of the mask plate 200 is disposed corresponding to a sub-pixel, so as to ensure that light can enter the pixel, so that the pixel emits light, as shown in fig. 2 to 3.
S4) removing the middleware.
Specifically, after ultraviolet irradiation is carried out for a preset time, stopping the ultraviolet irradiation, and removing the middleware; and after the ultraviolet light irradiates for a preset time, finishing the manufacture of the pretilt angle, stopping irradiating at the moment, and removing the intermediate piece.
The present embodiment provides a method for manufacturing a liquid crystal display panel, in which the liquid crystal display panel has a liquid crystal with a larger pretilt angle in a first region and a liquid crystal with a smaller pretilt angle in a second region, so as to simultaneously solve the problems of a slow response speed and a dark-state viewing angle.
Example 2
The present embodiment provides a liquid crystal display panel, which includes most of the technical solutions of embodiment 1, and is different in that the intermediate member is a lens group plate.
Specifically, as shown in fig. 6, the intermediate member is a lens group plate 300, that is, a plurality of lenses 310 are disposed on a plate body, a gap 311 is formed between two adjacent lenses 310, ultraviolet light passing through the lenses 310 can be converged or diverged due to the refraction of the lenses 310, and if light passing through the lenses 310 is converged, the light intensity of the part of light can be increased; if the light passes through the lens 310 and then diverges, the illumination intensity of the portion of the light decreases. Therefore, the lens group plate 300 can adjust the irradiation intensity of the light, so that each liquid crystal 130 in the liquid crystal display panel has a different pretilt angle.
In the liquid crystal layer 100, the area irradiated by the ultraviolet light through the lens 310 is the first area 110, and the rest is the second area 120, and the ultraviolet irradiation intensity received by the first area 110 is greater than the ultraviolet irradiation intensity received by the second area 120. The lenses 310 of the lens 310 main plate may be convex lenses 310 or a combination of the convex lenses 310 and the concave lenses 310, and if the lenses 310 of the lens group plate 300 are a combination of the convex lenses 310 and the concave lenses 310, the convex lenses and the concave lenses 310 are stacked. Whether the lens is a convex lens or a combination of a convex lens and a concave lens, the lens is arranged for the purpose of gathering light.
It should be noted that the lenses 310 in the lens group plate 300 are respectively offset from the pixels of the liquid crystal display panel. The transparent group plate is fully transparent, so at least one lens 310 in the lens group plate 300 is respectively arranged in a staggered manner with respect to the sub-pixels, that is, each lens 310 does not need to be aligned with each sub-pixel, and light can normally enter each pixel.
The first region 110 receives an ultraviolet irradiation intensity of 0.26mw/cm or more in adjusting the pretilt angle of liquid crystal in the liquid crystal layer 1002The second region 120 receives ultraviolet radiation at an intensity of less than 0.26mw/cm2To achieve a specified pretilt angle.
The embodiment of the application provides a liquid crystal display panel and a preparation method thereof, the liquid crystal display panel is provided with a liquid crystal with a larger pretilt angle in a first area and a liquid crystal with a smaller pretilt angle in a second area, and the problems of low response speed and dark state visual angle can be solved at the same time.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The liquid crystal display panel and the method for manufacturing the same provided by the embodiment of the present application are described in detail above, and the principle and the implementation manner of the present application are explained by applying specific examples herein, and the description of the above embodiments is only used to help understanding the technical scheme and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A liquid crystal display panel, comprising:
a first substrate;
a second substrate disposed opposite to the first substrate; and
the liquid crystal layer is arranged between the first substrate and the second substrate;
the liquid crystal layer comprises a plurality of liquid crystals, and each liquid crystal has a pretilt angle;
the liquid crystal layer at least comprises a first area and a second area, wherein the liquid crystal in the first area has a first pretilt angle, and the liquid crystal in the second area has a second pretilt angle.
2. The liquid crystal display panel according to claim 1, wherein the second pretilt angle is smaller than the first pretilt angle, and the first region occupies 10% to 20% of an area of the liquid crystal layer.
3. The lcd panel of claim 2, wherein the first pretilt angle is 2.5 ° and the second pretilt angle is 0.6 °.
4. A manufacturing method of a liquid crystal display panel for adjusting a pretilt angle of liquid crystal is characterized by comprising the following steps:
a liquid crystal layer is sealed between the first substrate and the second substrate which are oppositely arranged, and the liquid crystal layer comprises a plurality of liquid crystals;
arranging an intermediate piece on the upper surface of the second substrate;
irradiating the liquid crystal layer through the intermediate member by adopting at least two ultraviolet lights with different intensities, wherein the ultraviolet lights are irradiated to the liquid crystal layer through the intermediate member, so that the liquid crystal layer at least comprises a first area and a second area, the liquid crystal in the first area has a first pretilt angle, and the liquid crystal in the second area has a second pretilt angle; and
removing the middleware.
5. The method of manufacturing according to claim 4,
the intermediate piece is a mask plate and is provided with a plurality of light transmitting areas;
on the second substrate, the area irradiated by the ultraviolet light through the light-transmitting area is the first area, and the rest are second areas, wherein the ultraviolet light irradiation intensity received by the second areas is smaller than the ultraviolet light irradiation intensity received by the first areas.
6. The method of manufacturing according to claim 5,
the first substrate and the second substrate respectively comprise a plurality of pixel units which are opposite, and each pixel unit comprises a plurality of sub-pixels with different colors; and each light-transmitting area of the mask plate is respectively arranged corresponding to the sub-pixels.
7. The method according to claim 4, wherein the intermediate member is a lens group plate, and a plurality of lenses are disposed on the lens group plate, and each lens is used for gathering or diverging light; on the liquid crystal layer, the area irradiated by ultraviolet light through the lens is a first area, and the rest area is a second area, wherein the ultraviolet light irradiation intensity received by the first area is greater than the ultraviolet light irradiation intensity received by the second area.
8. The method of manufacturing according to claim 7,
the first substrate and the second substrate respectively comprise a plurality of pixel units which are opposite, and each pixel unit comprises a plurality of sub-pixels with different colors;
at least one lens in the lens group plate is arranged in a staggered mode with the sub-pixels.
9. The method of manufacturing according to claim 8,
the lenses in the lens group plate are convex lenses or a combination of convex lenses and concave lenses.
10. The production method according to claim 5 or 7,
the first area receives ultraviolet irradiation intensity which is greater than or equal to 0.26mw/cm2The ultraviolet irradiation intensity received by the second area is less than 0.26mw/cm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009951.1A CN113671757B (en) | 2021-08-31 | 2021-08-31 | Liquid crystal display panel and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111009951.1A CN113671757B (en) | 2021-08-31 | 2021-08-31 | Liquid crystal display panel and manufacturing method thereof |
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