CN111999928A - Opposite substrate, preparation method thereof, display panel and display device - Google Patents
Opposite substrate, preparation method thereof, display panel and display device Download PDFInfo
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- CN111999928A CN111999928A CN202010980096.8A CN202010980096A CN111999928A CN 111999928 A CN111999928 A CN 111999928A CN 202010980096 A CN202010980096 A CN 202010980096A CN 111999928 A CN111999928 A CN 111999928A
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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
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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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
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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
- G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
- G02F1/133723—Polyimide, polyamide-imide
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
Abstract
The application discloses an opposite substrate and a preparation method thereof, a display panel and a display device, which are used for simplifying the opposite substrate preparation process flow, improving the productivity and improving the product preparation efficiency. An opposite substrate provided by an embodiment of the present application includes: the liquid crystal display device comprises a first substrate, a black matrix and a color resistor, a self-alignment planarization layer and a liquid crystal compensation layer, wherein the black matrix and the color resistor are positioned on the first substrate; the self-alignment planarization layer is configured to align the liquid crystal compensation layer.
Description
Technical Field
The application relates to the technical field of display, in particular to an opposite substrate, a preparation method of the opposite substrate, a display panel and a display device.
Background
Liquid Crystal Display (LCD) panels have the advantages of small size, low power consumption, no radiation, etc., and have been rapidly developed in recent decades, and have become the mainstream of displays in the market. In order to improve the market competitiveness of LCD products, flexible LCDs have become the focus of LCD product research and development.
In the prior art, a liquid crystal compensation layer is usually required to be arranged in a flexible LCD product, so that alignment layers are required to be added up and down on the liquid crystal compensation layer for alignment, that is, in the preparation process of the flexible LCD product, the alignment layers on the two sides are required to be coated before and after the liquid crystal compensation layer is arranged, and the process flow is complex. In addition, in order to avoid increasing the equipment cost, the preparation of the liquid crystal compensation layer and the coating of the alignment layer are usually completed in different factories, so that a process reverse flow exists in the preparation process of the flexible LCD, and the yield loss of the flexible LCD product is caused.
In conclusion, the flexible LCD product in the prior art has serious capacity loss in the preparation process and low product preparation efficiency.
Disclosure of Invention
The embodiment of the application provides an opposite substrate and a preparation method thereof, a display panel and a display device, and is used for simplifying the opposite substrate preparation process flow, improving the productivity and improving the product preparation efficiency.
An opposite substrate provided by an embodiment of the present application includes: the liquid crystal display device comprises a first substrate, a black matrix and a color resistor, a self-alignment planarization layer and a liquid crystal compensation layer, wherein the black matrix and the color resistor are positioned on the first substrate;
the self-alignment planarization layer is configured to align the liquid crystal compensation layer.
In some embodiments, the material of the self-aligned planarization layer comprises: an organic material, and an alignment polymer uniformly mixed with the organic material.
In some embodiments, the alignment polymer comprises: and (3) a polyimide.
In some embodiments, the liquid crystal compensation layer comprises: a polymer liquid crystal.
In some embodiments, the opposite substrate further includes: the counter substrate further includes: the liquid crystal display device comprises a spacer positioned on the liquid crystal compensation layer and a first alignment layer positioned on the liquid crystal compensation layer and the spacer.
The preparation method of the opposite substrate provided by the embodiment of the application comprises the following steps:
providing a first substrate;
forming a pattern of a black matrix and a pattern of a color resist over the first substrate;
coating a self-alignment material on the black matrix and the color resists to form a self-alignment planarization layer for aligning liquid crystals;
a liquid crystal compensation layer is formed over the self-aligned planarization layer.
In some embodiments, coating a self-alignment material over the black matrix and the color resists specifically includes:
and coating an organic material added with an alignment polymer on the black matrix and the color resists to form an organic coating.
In some embodiments, forming a liquid crystal compensation layer over the self-aligned planarization layer specifically includes:
and coating polymer liquid crystal on the self-alignment planarization layer, and performing a thermal vacuum drying process, a pre-baking process and a post-baking process to form the liquid crystal compensation layer.
An embodiment of the present application provides a display panel, display panel includes: the utility model provides an opposite direction base plate, with the array substrate that opposite direction base plate set up, and be located opposite direction base plate with the liquid crystal layer between the array substrate.
The display device provided by the embodiment of the application comprises the display panel provided by the embodiment of the application.
The opposite substrate, the preparation method thereof, the display panel and the display device provided by the embodiment of the application are provided with the self-alignment planarization layer, the liquid crystal compensation layer is arranged on the self-alignment planarization layer, and the self-alignment planarization layer has a planarization function and can align the liquid crystal compensation layer. That is, the present application replaces the planarization layer and the alignment layer in the related art with the self-alignment planarization layer, and the embodiments of the present application provide the counter substrate in which the self-alignment planarization layer has the functions of both the planarization layer and the alignment layer in the related art. Therefore, the opposite substrate provided by the embodiment of the application does not need to be additionally provided with the alignment layer for aligning the liquid crystal compensation layer, the preparation process of the opposite substrate can be simplified, the process of coating the alignment film in other factories is not needed before the liquid crystal compensation layer is prepared, the reverse process of the process does not exist, the capacity can be saved under the condition that the equipment investment is not increased, and the preparation efficiency of the opposite substrate is improved. In addition, according to the opposite substrate provided by the embodiment of the application, the alignment polymer is added to the organic material, so that the organic coating layer added with the alignment polymer can be formed as a self-alignment planarization layer, the OC added with the alignment polymer has a planarization effect, the alignment of the liquid crystal compensation layer can be realized, the alignment layer of the liquid crystal compensation layer does not need to be additionally arranged, and the reverse process of the process does not exist, so that the productivity can be improved, and the preparation efficiency of the opposite substrate can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an opposite substrate according to an embodiment of the present disclosure;
fig. 2 is a schematic view illustrating a method for manufacturing an opposite substrate according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. And the embodiments and features of the embodiments in the present application may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
It should be noted that the sizes and shapes of the figures in the drawings are not to be considered true scale, but are merely intended to schematically illustrate the present disclosure. And the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.
It should be noted that, in the related art, when the opposite substrate includes the liquid crystal compensation layer, two side alignment layers need to be coated before and after the liquid crystal compensation layer is disposed, so as to align the liquid crystal compensation layer. In the opposite substrate preparation process, in order to not increase the equipment cost, the process of coating the alignment layer needs to be completed in other factories, so the process of coating the alignment layer and the process of coating the liquid crystal compensation layer need to be performed in different factories, and before the liquid crystal compensation layer is coated, the coating of the alignment layer needs to be completed in other factories, that is, the opposite process exists in the opposite substrate preparation, which causes a very large capacity loss, and the production efficiency of the product is seriously affected.
An embodiment of the present application provides an opposite substrate, as shown in fig. 1, the opposite substrate includes: a first substrate 1, a black matrix 4 and a color resistor 5 positioned on the first substrate 1, a self-alignment planarization layer 2 positioned on the black matrix 4 and the color resistor 5, and a liquid crystal compensation layer 3 positioned on the self-alignment planarization layer 2;
the self-alignment planarization layer 2 is configured to align the liquid crystal compensation layer 3.
The opposite substrate provided by the embodiment of the application is provided with the self-alignment planarization layer, the liquid crystal compensation layer is arranged on the self-alignment planarization layer, and the self-alignment planarization layer has a planarization function and can align the liquid crystal compensation layer. That is, the present application replaces the planarization layer and the alignment layer in the related art with the self-alignment planarization layer, and the embodiments of the present application provide the counter substrate in which the self-alignment planarization layer has the functions of both the planarization layer and the alignment layer in the related art. Therefore, an alignment layer for aligning the liquid crystal compensation layer is not required to be additionally arranged, the preparation process of the opposite substrate can be simplified, the process of coating the alignment film in other factories is not required before the liquid crystal compensation layer is prepared, and the reverse process of the process does not exist, so that the productivity can be saved under the condition of not increasing the equipment investment, and the preparation efficiency of the opposite substrate is improved.
In some embodiments, the first substrate may be, for example, a flexible substrate, the material of the flexible substrate including, for example: colorless Polyimide (CPI).
In some embodiments, as shown in fig. 1, the black matrix 4 has openings, and the color resistors 5 are located at the openings of the black matrix 4.
In some embodiments, the color resists include, for example: red color resists, blue color resists, and green color resists.
In some embodiments, the material of the self-aligned planarization layer comprises: an organic material, and an alignment polymer uniformly mixed with the organic material.
That is, the opposite substrate provided in the embodiment of the present application, an alignment polymer is added to an Organic material, and then an Organic Coating (OC) to which the alignment polymer is added is formed, that is, the OC to which the alignment polymer is added from the alignment planarization layer, and the OC to which the alignment polymer is added not only has a planarization effect, but also can realize alignment of the liquid crystal compensation layer. That is, the present application replaces the planarization layer and the alignment layer in the related art with the OC added with the alignment polymer, and the embodiment of the present application provides the counter substrate in which the self-alignment planarization layer has the functions of both the planarization layer and the alignment layer in the related art. Therefore, before the liquid crystal compensation layer is formed, an alignment layer of the liquid crystal compensation layer does not need to be additionally arranged, so that in the preparation process of the opposite substrate, the process of coating alignment films in other factories is not needed before the liquid crystal compensation layer is formed, the reverse process of the process does not exist, the productivity can be saved, and the preparation efficiency of the opposite substrate is improved.
In some embodiments, the alignment polymer comprises: and (3) a polyimide.
In some embodiments, the liquid crystal compensation layer comprises: polymer Liquid Crystal (PLC).
It should be noted that the opposite substrate provided in the embodiment of the present application may be applied to a flexible display product, and a liquid crystal compensation layer including polymer liquid crystal is disposed in the opposite substrate, so that a light leakage problem caused by bending deformation of the flexible product may be compensated, and a display effect may be improved.
In some embodiments, the opposite substrate further includes: the liquid crystal display device comprises a spacer positioned on the liquid crystal compensation layer and a first alignment layer positioned on the liquid crystal compensation layer and the spacer.
Based on the same inventive concept, embodiments of the present application further provide a method for manufacturing an opposite substrate, as shown in fig. 2, the method includes:
s101, providing a first substrate;
s102, forming a black matrix pattern and a color resistance pattern on the first substrate;
s103, coating a self-alignment material on the black matrix and the color resistors to form a self-alignment planarization layer for aligning liquid crystal;
and S104, forming a liquid crystal compensation layer on the self-alignment planarization layer.
In the method for manufacturing the opposite substrate provided by the embodiment of the application, the self-alignment planarization layer is formed on the first substrate, and then the liquid crystal compensation layer is formed on the self-alignment planarization layer, so that the self-alignment planarization layer not only has a planarization function, but also can align the liquid crystal compensation layer. That is, the present application replaces the related art planarization layer and alignment layer with a self-alignment planarization layer, which has both the functions of the related art planarization layer and alignment layer. Therefore, the preparation method of the opposite substrate provided by the embodiment of the application does not need to additionally arrange the alignment layer for aligning the liquid crystal compensation layer before the liquid crystal compensation layer is formed, can simplify the preparation process of the opposite substrate, does not need to carry out the process of coating the alignment film in other factories before the liquid crystal compensation layer is formed, does not have the process reverse flow, can save the productivity and improve the preparation efficiency of the opposite substrate.
In some embodiments, step S103 of coating a self-alignment material on the black matrix and the color resists specifically includes:
and coating an organic material added with an alignment polymer on the black matrix and the color resists to form an organic coating.
According to the preparation method of the opposite substrate provided by the embodiment of the application, the alignment polymer is added into the organic material, then the organic material added with the alignment polymer is coated to form the alignment polymer-added OC serving as a self-alignment planarization layer, the alignment polymer-added OC has a planarization effect and can realize alignment of the liquid crystal compensation layer, namely the alignment polymer-added OC is used for replacing the planarization layer and the alignment layer in the related technology, so that the alignment layer of the liquid crystal compensation layer is not required to be additionally arranged before the liquid crystal compensation layer is formed, namely, in the preparation process of the opposite substrate, the process of coating the alignment film in other factories is not required before the liquid crystal compensation layer is formed, the reverse process of the process does not exist, the productivity can be saved, and the preparation efficiency of the opposite substrate is improved.
In some embodiments, the step S104 of forming a liquid crystal compensation layer on the self-alignment planarization layer specifically includes:
coating polymer liquid crystal on the self-alignment planarization layer, and performing a High Vacuum Dry (HVCD) process, a Pre-Bake (Pre Bake) process, and a Post-Bake (Post Bake) process to form the liquid crystal compensation layer.
In some embodiments, after forming the liquid crystal compensation layer over the self-aligned planarization layer in step S104, the method further comprises:
and forming a pattern of spacers on the liquid crystal compensation layer.
In some embodiments, after forming the pattern of spacers over the liquid crystal compensation layer, the method further comprises:
a first alignment layer is coated.
In some embodiments, step S101 provides a first substrate, specifically including:
the glass substrate was coated with CPI.
Based on the same inventive concept, an embodiment of the present application further provides a display panel, as shown in fig. 3, where the display panel includes: the liquid crystal display panel comprises an opposite substrate 9, an array substrate 6 arranged opposite to the opposite substrate 9, and a liquid crystal layer 7 located between the opposite substrate 9 and the array substrate 6.
Namely, the display panel provided by the embodiment of the application is a liquid crystal display panel.
As shown in fig. 3, the display panel further includes a sealing structure 8 that seals the counter substrate 9 and the array substrate 6.
In some embodiments, the material of the sealing structure may include, for example, a frame sealing adhesive.
In some embodiments, the array substrate includes: the liquid crystal display device comprises a second substrate, a thin film transistor positioned on the second substrate, a pixel electrode electrically connected with the thin film transistor, and a second alignment layer between the pixel electrode and the liquid crystal layer.
In some embodiments, the thin film transistor is a top gate structure, and specifically includes: the semiconductor device includes an active layer, a gate insulating layer over the active layer, a gate electrode over the gate insulating layer, an interlayer insulating layer over the gate electrode, and a source electrode and a drain electrode over the interlayer insulating layer. Of course, the thin film transistor may also be a bottom gate structure or the like.
In some embodiments, the second substrate may be, for example, a flexible substrate, the material of the flexible substrate comprising CPI.
The display panel provided by the embodiment of the application can be a flexible liquid crystal display panel.
In some embodiments, the array substrate further includes a common electrode opposite to the pixel electrode. Of course, in some embodiments, the common electrode may also be disposed in the opposite substrate.
In some embodiments, the liquid crystal display panel provided in the embodiments of the present application may be prepared by separately preparing the opposite substrate and the array substrate, and then performing a cell aligning process on the prepared opposite substrate and the prepared array substrate. For a specific method for preparing the opposite substrate, reference is made to the above embodiments provided in this application, and details are not described herein. The preparation of the array substrate includes, for example: and sequentially forming a second substrate, a thin film transistor, a pixel electrode and a second alignment layer on the glass substrate.
In some embodiments, the panel obtained after the box aligning process is a large-size liquid crystal panel, and a cutting process is further performed on the obtained liquid crystal panel to cut the large-size liquid crystal panel into a plurality of small-size liquid crystal display panels.
In some embodiments, for a large-sized liquid crystal panel, a desired liquid crystal display panel may be obtained through two cutting processes, for example, a large-sized liquid crystal panel is cut once to obtain a plurality of small-sized panels, and then the small-sized panels are cut again to obtain the liquid crystal display panel with the desired size.
In some embodiments, the cutting process is followed by a laser lift-off process to lift off the glass substrates of the counter substrate and the array substrate.
Based on the same inventive concept, the embodiment of the application also provides a display device, which comprises the display panel provided by the embodiment of the application.
In some embodiments, the display device provided in the embodiments of the present application may further include: the backlight module comprises an optical diaphragm, a backlight module, a driving chip, a flexible circuit board and the like.
In some embodiments, the backlight module may be located on a side of the array substrate facing away from the liquid crystal layer, for example.
In some embodiments, the optical film includes a polarizer, for example, the polarizer may be located on a side of the opposite substrate away from the liquid crystal layer, and may also be located between the array substrate and the backlight module.
In some embodiments, the signal lines in the display panel are electrically connected with the driving chip.
In some embodiments, for the liquid crystal display panel subjected to the laser lift-off process, processes such as optical film attaching, driver chip binding, flexible circuit board binding, backlight module assembly and the like can be performed to complete the preparation of the display device.
The display device provided by the embodiment of the application is as follows: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. Other essential components of the display device are understood by those skilled in the art, and are not described herein or should not be construed as limiting the present application. The display device can be implemented by referring to the above embodiments of the display panel, and repeated descriptions are omitted.
In summary, the opposite substrate, the manufacturing method thereof, the display panel, and the display device provided in the embodiments of the present application are provided with the self-aligned planarization layer, the liquid crystal compensation layer is disposed on the self-aligned planarization layer, and the self-aligned planarization layer not only has a planarization function, but also can align the liquid crystal compensation layer. That is, the present application replaces the planarization layer and the alignment layer in the related art with the self-alignment planarization layer, and the embodiments of the present application provide the counter substrate in which the self-alignment planarization layer has the functions of both the planarization layer and the alignment layer in the related art. Therefore, the opposite substrate provided by the embodiment of the application does not need to be additionally provided with the alignment layer for aligning the liquid crystal compensation layer, the preparation process of the opposite substrate can be simplified, the process of coating the alignment film in other factories is not needed before the liquid crystal compensation layer is prepared, the process reverse flow does not exist, the capacity can be saved under the condition of not increasing the equipment investment, and the preparation efficiency of the opposite substrate is improved. In addition, according to the opposite substrate provided by the embodiment of the application, the alignment polymer is added to the organic material, so that the organic coating layer added with the alignment polymer can be formed to serve as a self-alignment planarization layer, and the OC added with the alignment polymer not only has a planarization effect, but also can realize alignment of the liquid crystal compensation layer, thereby improving the productivity.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An opposite substrate, comprising: the liquid crystal display device comprises a first substrate, a black matrix and a color resistor, a self-alignment planarization layer and a liquid crystal compensation layer, wherein the black matrix and the color resistor are positioned on the first substrate;
the self-alignment planarization layer is configured to align the liquid crystal compensation layer.
2. The opposing substrate of claim 1, wherein the material of the self-alignment planarization layer comprises: an organic material, and an alignment polymer uniformly mixed with the organic material.
3. The counter substrate of claim 2, wherein the alignment polymer comprises: and (3) a polyimide.
4. The counter substrate of claim 1, wherein the liquid crystal compensation layer comprises: a polymer liquid crystal.
5. The opposing substrate of claim 1, further comprising: the liquid crystal display device comprises a spacer positioned on the liquid crystal compensation layer and a first alignment layer positioned on the liquid crystal compensation layer and the spacer.
6. A method for manufacturing an opposite substrate, the method comprising:
providing a first substrate;
forming a pattern of a black matrix and a pattern of a color resist over the first substrate;
coating a self-alignment material on the black matrix and the color resists to form a self-alignment planarization layer for aligning liquid crystals;
a liquid crystal compensation layer is formed over the self-aligned planarization layer.
7. The method of claim 6, wherein applying a self-aligning material over the black matrix and the color resists comprises:
and coating an organic material added with an alignment polymer on the black matrix and the color resists to form an organic coating.
8. The method of claim 6, wherein forming a liquid crystal compensation layer over the self-aligned planarization layer comprises:
and coating polymer liquid crystal on the self-alignment planarization layer, and performing a thermal vacuum drying process, a pre-baking process and a post-baking process to form the liquid crystal compensation layer.
9. A display panel, comprising: the opposite substrate according to any one of claims 1 to 5, an array substrate disposed opposite to the opposite substrate, and a liquid crystal layer between the opposite substrate and the array substrate.
10. A display device characterized by comprising the display panel according to claim 9.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023039764A1 (en) * | 2021-09-15 | 2023-03-23 | 京东方科技集团股份有限公司 | Liquid crystal display panel and fabrication method therefor, and display apparatus |
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| CN105607337A (en) * | 2016-03-15 | 2016-05-25 | 武汉华星光电技术有限公司 | Manufacturing method of color film substrate, color film substrate and liquid crystal display panel |
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