CN106918954A - A kind of orientation membrane preparation method, display base plate and display panel - Google Patents
A kind of orientation membrane preparation method, display base plate and display panel Download PDFInfo
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- CN106918954A CN106918954A CN201710326069.7A CN201710326069A CN106918954A CN 106918954 A CN106918954 A CN 106918954A CN 201710326069 A CN201710326069 A CN 201710326069A CN 106918954 A CN106918954 A CN 106918954A
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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
- G02F1/133784—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 rubbing
-
- 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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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
Abstract
The invention provides a kind of orientation membrane preparation method, display base plate and display panel.Methods described includes:Formed on substrate and treat orientation film layer, the film forming for treating that orientation film layer is divided into positioned at the substrate center region ensures area and the non-effective film forming area positioned at the substrate edge region, the uneven thickness one for treating orientation film layer in the non-effective film forming area;Compensation film layer is formed in the non-effective film forming area, so that the described of the non-effective film forming area treats that what orientation film layer and the gross thickness and the film forming of the compensation film layer ensured area treats that orientation thicknesses of layers is consistent;Treat that orientation film layer and the compensation film layer carry out orientation to described, to form alignment film.By the embodiment of the present invention, the non-effective film forming area of substrate and film forming ensure that the segment difference between area is smaller and controlled, so as to avoid the influence Cloth characteristics during Rubbing, reduce a problem that display is uneven in display surface plate face, improve yield.
Description
Technical field
The present invention relates to field of liquid crystal, more particularly to a kind of orientation membrane preparation method, display base plate and display
Panel.
Background technology
In TFT (Thin Film Transistor, TFT)-LCD (Liquid Crystal
Display liquid crystal displays) make, no matter TFT substrate or CF (color filter, colored filter) substrate, it is sharp
Can not possibly be 100% with rate, in addition to the size and quantity that are limited by panel, its periphery has certain area for film forming
Inequality is unable to film forming area, and the size in this region is limited by capacity of equipment.
Being unable to film forming area typically has part film layer or without film layer, because its segment difference is uncontrolled, therefore matches somebody with somebody in Rubbing (friction)
Cloth (friction cloth) characteristic is easily influenceed during, causes a problem that display is uneven in display surface plate face occur, and nothing
Method is improved from backend process, causes larger yield loss.
The content of the invention
In view of the above problems, it is proposed that the embodiment of the present invention overcomes above mentioned problem or at least in part to provide one kind
A kind of orientation membrane preparation method, display base plate and the display panel for solving the above problems.
The present invention provides a kind of orientation membrane preparation method, including:
Formed on substrate and treat orientation film layer, it is described to treat that orientation film layer is divided into the film forming positioned at the substrate center region
Ensure area and the non-effective film forming area positioned at the substrate edge region, the orientation film layer for the treatment of in the non-effective film forming area
Uneven thickness one;
Form compensation film layer in the non-effective film forming area so that the non-effective film forming area it is described treat orientation film layer with
The gross thickness of the compensation film layer treats that orientation thicknesses of layers is consistent with film forming guarantee area;
Treat that orientation film layer and the compensation film layer carry out orientation to described, to form alignment film.
Alternatively, compensation film layer is formed in the non-effective film forming area, including:
Compensation film layer is formed in the non-effective film forming area using APR editions, wherein, the APR editions line number non-has with described
Effect film forming treats diminishing and being incremented by for orientation thicknesses of layers in area.
Alternatively, compensation film layer is formed in the non-effective film forming area, including:
Compensation film layer is formed in the non-effective film forming area using a spraying method, and control point sprays the shower nozzle of use
Spray volume is incremented by the non-effective film forming area with diminishing for orientation thicknesses of layers is treated.
Alternatively, the spray volume of the shower nozzle that control point spraying is used in the non-effective film forming area with treating alignment film
Thickness degree diminishes and is incremented by, including:
By at least one in the quantity, flow, the spray time that control the shower nozzle, the spray volume of the shower nozzle is controlled
It is incremented by with diminishing for orientation thicknesses of layers is treated in the non-effective film forming area.
Alternatively, it is described to form compensation film layer in the non-effective film forming area, also include:
Detect the thickness of thickness and the compensation film layer that orientation film layer is treated in the non-effective film forming area;
According to the thickness of orientation film layer and the thickness of the compensation film layer is treated in the non-effective film forming area, the spray is adjusted
The spray volume of head.
Alternatively, the thickness of orientation film layer and the thickness of the compensation film layer are treated in the detection non-effective film forming area
Degree, including:
By thickness and the compensation film layer that orientation film layer is treated in non-effective film forming area described in optical sensor real-time detection
Thickness;Or,
Thickness that orientation film layer is treated in the non-effective film forming area and the compensation film layer are detected by film thickness instrument
Thickness.
Alternatively, the thickness range of the compensation film layer is
The embodiment of the present invention provides a kind of display base plate again, is applied to display panel, including substrate, and in the base
What is formed on plate treats orientation film layer and compensation film layer;Wherein, it is described to treat that orientation film layer is divided into positioned at the substrate center region
Film forming ensure area and the non-effective film forming area positioned at the substrate edge region;In the non-effective film forming area, the benefit
Repay that film covering is described to treat orientation film layer, and described treat gross thickness of the orientation film layer with the compensation film layer and film forming guarantee area
Treat that orientation thicknesses of layers is consistent.
Alternatively, the thickness range of the compensation film layer is in the non-effective film forming area
The embodiment of the present invention additionally provides a kind of display panel, and the display panel includes above-mentioned display base plate.
Compared with prior art, the present invention includes advantages below:
By the embodiment of the present invention, compensation film layer is formed in the non-effective film forming area of substrate edge region, make it is non-effective into
Film area treat orientation film layer and gross thickness and film forming the guarantee area of compensation film layer treat that orientation thicknesses of layers is consistent so that substrate
Non-effective film forming area and film forming ensure that the segment difference between area is smaller and controlled, so as to avoid the shadow during Rubbing
Cloth characteristics are rung, a problem that display is uneven in display surface plate face is reduced, yield is improved.
Brief description of the drawings
The step of Fig. 1 is a kind of orientation membrane preparation method of the embodiment of the present invention one flow chart;
Fig. 2 is the schematic diagram of the formation after the substrate after alignment film of the embodiment of the present invention one;
Fig. 3 is the schematic diagram of the substrate after the formation compensation film layer of the embodiment of the present invention one;
The step of Fig. 4 is a kind of orientation membrane preparation method of the embodiment of the present invention two flow chart;
The step of Fig. 5 is a kind of orientation membrane preparation method of the embodiment of the present invention three flow chart;
Fig. 6 is a kind of schematic diagram of display base plate of the embodiment of the present invention four.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Embodiment one
A kind of orientation membrane preparation method provided in an embodiment of the present invention is discussed in detail.
Reference picture 1, flow chart the step of show a kind of orientation membrane preparation method provided in an embodiment of the present invention.The side
Method includes:
Step 101, forms on substrate and treats orientation film layer, described to treat that orientation film layer is divided into positioned at the substrate center area
The film forming in domain ensures area and the non-effective film forming area positioned at the substrate edge region, described in the non-effective film forming area to wait to match somebody with somebody
To the uneven thickness one of film layer.
In the present embodiment, formed on substrate and treat alignment film, the embodiment of the present invention treats that the mode of alignment film is not made to formation
Limit in detail, can be chosen according to actual conditions.The schematic diagram formed after the substrate after alignment film shown in reference picture 2,
Formation ensures area A and positioned at the side of substrate 10 after after alignment film, treating the film forming that orientation film layer is divided into positioned at the middle section of substrate 10
The non-effective film forming area B in edge region, treats the uneven thickness one of orientation film layer 20 in non-effective film forming area B.Substrate 01 can be selected
Glass substrate, it is also possible to select other substrates, the embodiment of the present invention is not made restriction in detail to this, can be carried out according to actual conditions
Choose.
Due to treating the in uneven thickness of orientation film layer 20 in non-effective film forming area B, segment difference is uncontrolled, therefore
Cloth (friction cloth) characteristic is easily influenceed in Rubbing (friction) process of alignment, causes display panel to occur showing unequal in face
Unfavorable condition, and cannot be improved from backend process, cause larger yield loss.
Step 102, compensation film layer is formed in the non-effective film forming area, so that the described of the non-effective film forming area waits to match somebody with somebody
Gross thickness and the film forming to film layer and the compensation film layer ensure that area treats that orientation thicknesses of layers is consistent.
In the present embodiment, the in uneven thickness of orientation film layer 20 is treated in non-effective film forming area B, therefore in non-effective film forming area
B forms compensation film layer 30.The substrate after formation compensation film layer shown in reference picture 3, compensates film layer 30 and treats orientation film layer 20
Gross thickness, ensures that area treats the consistency of thickness of orientation film layer 20 with film forming.The embodiment of the present invention compensates being formed the mode of film layer not
Make to limit in detail, can be chosen according to actual conditions.
Step 103, treats that orientation film layer and the compensation film layer carry out orientation, to form alignment film to described.
In the present embodiment, treating orientation film layer and compensation film layer using Rubbing (friction) allocating process carries out orientation, makes
Treat that the liquid crystal molecule in orientation film layer and compensation film layer is arranged according to certain orientation.Form the non-effective film forming after compensation film layer
B theca interna thickness in area is homogeneous, and in the absence of not influenceed during segment difference, therefore Rubbing, the Cloth for treating orientation film layer is special
Property, so as to reduce a problem that inequality is shown in display surface plate face, improve yield.
In sum, in the embodiment of the present invention, non-effective film forming area treats that orientation film layer is total with compensation film layer on substrate
What thickness and film forming ensured area treats that orientation thicknesses of layers is consistent, the segment difference between the non-effective film forming area of substrate and film forming guarantee area compared with
It is small and controlled, so as to avoid the influence Cloth characteristics during Rubbing, reduce in display surface plate face and show not
A problem that, improve yield.
Embodiment two
A kind of orientation membrane preparation method provided in an embodiment of the present invention is discussed in detail.
Reference picture 4, flow chart the step of show a kind of orientation membrane preparation method provided in an embodiment of the present invention.The side
Method includes:
Step 201, forms on substrate and treats orientation film layer, described to treat that orientation film layer is divided into positioned at the substrate center area
The film forming in domain ensures area and the non-effective film forming area positioned at the substrate edge region, described in the non-effective film forming area to wait to match somebody with somebody
To the uneven thickness one of film layer.
The step is similar with abovementioned steps 101, and here is omitted.
Step 202, compensation film layer is formed using APR editions in the non-effective film forming area, wherein, the APR editions line number with
Diminishing and being incremented by for orientation thicknesses of layers is treated in the non-effective film forming area.
In the present embodiment, forming compensation film layer 30 in non-effective film forming area B can be by the way of printing APR editions.By giving birth to
Produce producer and be prepared into APR editions according to the thickness of the compensation film layer of setting, the APR that will have been prepared editions is pasted onto in transfer platen,
Transfer platen is reused by APR version printings in the non-effective film forming area of substrate edge region.In printing process, APR editions line number with
Diminishing and being incremented by for orientation thicknesses of layers is treated in non-effective film forming area, so that compensating film layer 30 in non-effective film forming area and waiting to match somebody with somebody
Treat that orientation thicknesses of layers is consistent to what gross thickness and the film forming of film layer 20 ensured area.
The line number of APR editions can be configured based on experience value, specifically, collect in multigroup non-effective film forming area and treat orientation
The thickness of film layer, can set the line number of APR editions according to the thickness range for treating orientation film layer, it is also possible to according to treating orientation film layer
Thickness average sets the line number of APR editions.As the thickness value for treating orientation film layer being collected into is more and more, can be to setting
The line number of APR editions is constantly corrected.
In a preferred embodiment of the present invention, compensation film layer can use ultraviolet curing polyurethane based resin.
Step 203, treats that orientation film layer and the compensation film layer carry out orientation, to form alignment film to described.
The step is similar with abovementioned steps 103, and here is omitted.
In sum, in the embodiment of the present invention, compensation film layer, APR are formed after APR editions is prepared based on experience value on substrate
Version is previously prepared, without changing existing process flow.In non-effective film forming area compensate film layer and treat orientation film layer gross thickness and
Film forming guarantee area treats that orientation thicknesses of layers is consistent, the non-effective film forming area of substrate and film forming is ensured that the segment difference between area is smaller simultaneously
And it is controlled, so as to avoid the influence Cloth characteristics during Rubbing, reduce display in display surface plate face unequal
Unfavorable condition, improves yield.
Embodiment three
A kind of orientation membrane preparation method provided in an embodiment of the present invention is discussed in detail.
Reference picture 5, flow chart the step of show a kind of orientation membrane preparation method provided in an embodiment of the present invention.The side
Method includes:
Step 301, forms on substrate and treats orientation film layer, described to treat that orientation film layer is divided into positioned at the substrate center area
The film forming in domain ensures area and the non-effective film forming area positioned at the substrate edge region, described in the non-effective film forming area to wait to match somebody with somebody
To the uneven thickness one of film layer.
The step is similar with abovementioned steps 101, and here is omitted.
Step 302, compensation film layer is formed using a spraying method in the non-effective film forming area, and control point spraying is used
The spray volume of shower nozzle be incremented by with diminishing for orientation thicknesses of layers is treated in the non-effective film forming area.
In the present embodiment, forming compensation film layer in non-effective film forming area can also be by the way of point spraying.By control
At least one in quantity, flow, the spray time of shower nozzle, controls the spray volume of shower nozzle in non-effective film forming area with treating orientation
Diminishing for thicknesses of layers and be incremented by.For example, the quantity of control shower nozzle is with treating to increase diminishing for orientation thicknesses of layers, or control
The flow of spraying can also control time of spraying with treating orientation thicknesses of layers with treating to become big diminishing for orientation thicknesses of layers
Diminish and increase.
In a preferred embodiment of the present invention, before spray compensation film layer, detect in non-effective film forming area and treat orientation
The thickness of film layer and the thickness of compensation film layer.Specifically, by treating alignment film in the non-effective film forming area of optical sensor real-time detection
The thickness of layer and the thickness of compensation film layer;Or, the thickness that orientation film layer is treated in non-effective film forming area is detected by film thickness instrument
The thickness of degree and compensation film layer.For example, the thickness by treating orientation film layer 20 in the non-effective film forming area B of optical sensor real-time detection
ForThe target thickness of film layer is after compensationCan then calculate compensation film layer thickness be
After obtaining treating orientation film layer and compensating the thickness of film layer, according to the thickness that orientation film layer is treated in non-effective film forming area
And the thickness of compensation film layer, the spray volume of shower nozzle is adjusted, so that compensating film layer 30 in non-effective film forming area and treating orientation film layer
20 gross thickness treats that orientation thicknesses of layers is consistent with film forming guarantee area.
In a preferred embodiment of the present invention, the thickness range of the compensation film layer is
Step 303, treats that orientation film layer and the compensation film layer carry out orientation, to form alignment film to described.
The step is similar with abovementioned steps 103, and here is omitted.
In sum, in the embodiment of the present invention, before spray compensation film, detect in non-effective film forming area and treat orientation film layer
Thickness and compensation film layer thickness, can in spray compensation film real-time adjustment compensate film layer thickness, treat alignment film
Compensation precision is higher, the non-effective film forming area of substrate and film forming is ensured that the segment difference between area is smaller and controlled, so as to avoid
Cloth characteristics are influenceed during Rubbing, a problem that display is uneven in display surface plate face is reduced, improved good
Rate.
For foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but
It is that those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to the present invention, certain
A little steps can sequentially or simultaneously be carried out using other.Secondly, those skilled in the art should also know, be retouched in specification
The embodiment stated belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
Example IV
Reference picture 6, shows a kind of display base plate provided in an embodiment of the present invention.The display base plate is applied to display surface
Plate, it is characterised in that treat orientation film layer 20 and compensation film layer 30 including what is formed on substrate 10, and the substrate 10;Wherein,
The film forming for treating that orientation film layer is divided into positioned at the substrate center region ensures area A and positioned at the substrate edge region
Non-effective film forming area B;In the non-effective film forming area B, the compensation film layer 30 cover it is described treat orientation film layer 20, it is and described
Treat that orientation film layer 20 ensures that area treats the consistency of thickness of orientation film layer 20 with the gross thickness and the film forming of the compensation film layer 20.
In a preferred embodiment of the present invention, the thickness range of the compensation film layer is in the non-effective film forming area
In sum, in the embodiment of the present invention, orientation film layer that what display base plate included being formed on substrate and substrate treat and
Orientation film layer is treated in compensation film layer, compensation film layer covering, and treats that orientation film layer ensures area with the gross thickness of compensation film layer with film forming
Treat that orientation thicknesses of layers is consistent.After forming compensation film layer, on substrate non-effective film forming area and film forming ensure segment difference between area compared with
It is small and controlled, so as to avoid the influence Cloth characteristics during Rubbing, reduce in display surface plate face and show not
A problem that, improve yield.
Embodiment five
A kind of display panel provided in an embodiment of the present invention, the display panel includes the display base as described in example IV
Plate.
In the present embodiment, the display base plate described in example IV is formed with compensation film layer 30 in non-effective film forming area B, mends
Repay film layer 30 cover it is described treat orientation film layer 20, and the gross thickness for treating orientation film layer 20 and the compensation film layer 30 with it is described
Film forming guarantee area treats the consistency of thickness of orientation film layer 20.
In sum, in the embodiment of the present invention, display panel includes the display base plate for being formed with compensation film layer, on substrate
Non-effective film forming area and film forming ensure that the segment difference between area is smaller and controlled, so as to avoid the shadow during Rubbing
Cloth characteristics are rung, a problem that display is uneven in display surface plate face is reduced, yield is improved.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, commodity or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include for this process, method, commodity or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", does not arrange
Except also there is other identical element in the process including the key element, method, commodity or equipment.
Orientation membrane preparation method provided by the present invention, display base plate and display panel are described in detail above,
Specific case used herein is set forth to principle of the invention and implementation method, and the explanation of above example is use
Understand the method for the present invention and its core concept in help;Simultaneously for those of ordinary skill in the art, according to of the invention
Thought, will change in specific embodiments and applications, and in sum, this specification content should not be construed as
Limitation of the present invention.
Claims (10)
1. a kind of orientation membrane preparation method, it is characterised in that including:
Formed on substrate and treat orientation film layer, the film forming for treating that orientation film layer is divided into positioned at the substrate center region ensures
Area and the non-effective film forming area positioned at the substrate edge region, the thickness for treating orientation film layer in the non-effective film forming area
Heterogeneity;
Form compensation film layer in the non-effective film forming area so that the non-effective film forming area it is described treat orientation film layer with it is described
The gross thickness and the film forming for compensating film layer ensure that area treats that orientation thicknesses of layers is consistent;
Treat that orientation film layer and the compensation film layer carry out orientation to described, to form alignment film.
2. method according to claim 1, it is characterised in that form compensation film layer in the non-effective film forming area, including:
Form compensation film layer in the non-effective film forming area using APR editions, wherein, the APR editions line number with it is described it is non-effective into
Diminishing and being incremented by for orientation thicknesses of layers is treated in film area.
3. method according to claim 1, it is characterised in that form compensation film layer in the non-effective film forming area, including:
Compensation film layer is formed in the non-effective film forming area using a spraying method, and control point sprays the ejection of the shower nozzle for using
Amount is incremented by the non-effective film forming area with diminishing for orientation thicknesses of layers is treated.
4. method according to claim 3, it is characterised in that the spray volume of the shower nozzle that the control point spraying is used is in institute
State in non-effective film forming area and be incremented by with diminishing for orientation thicknesses of layers is treated, including:
By at least one in the quantity, flow, the spray time that control the shower nozzle, the spray volume of the shower nozzle is controlled in institute
State in non-effective film forming area and be incremented by with diminishing for orientation thicknesses of layers is treated.
5. method according to claim 3, it is characterised in that described to form compensation film layer in the non-effective film forming area,
Also include:
Detect the thickness of thickness and the compensation film layer that orientation film layer is treated in the non-effective film forming area;
According to the thickness of orientation film layer and the thickness of the compensation film layer is treated in the non-effective film forming area, the shower nozzle is adjusted
Spray volume.
6. method according to claim 5, it is characterised in that treat orientation film layer in the detection non-effective film forming area
Thickness and the compensation film layer thickness, including:
By treating the thickness of orientation film layer and the thickness of the compensation film layer in non-effective film forming area described in optical sensor real-time detection
Degree;Or,
The thickness of thickness and the compensation film layer that orientation film layer is treated in the non-effective film forming area is detected by film thickness instrument.
7. method as claimed in any of claims 1 to 6, it is characterised in that the thickness range of the compensation film layer
For
8. a kind of display base plate, is applied to display panel, it is characterised in that including substrate, and formed on the substrate
Treat orientation film layer and compensation film layer;Wherein, the film forming for treating that orientation film layer is divided into positioned at the substrate center region ensures
Area and the non-effective film forming area positioned at the substrate edge region;In the non-effective film forming area, the compensation film layer covering
It is described to treat orientation film layer, and described treat that orientation film layer ensures that area treats orientation with the gross thickness and the film forming of the compensation film layer
Thicknesses of layers is consistent.
9. display base plate according to claim 8, it is characterised in that the compensation film layer in the non-effective film forming area
Thickness range is
10. a kind of display panel, it is characterised in that the display panel includes display base plate as claimed in claim 8 or 9.
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CN109581752A (en) * | 2018-12-24 | 2019-04-05 | 惠科股份有限公司 | Coating method and coating system of alignment liquid |
CN109980093A (en) * | 2019-04-01 | 2019-07-05 | 华南理工大学 | A kind of spraying prepares the method and perovskite thin film of perovskite thin film |
WO2020186542A1 (en) * | 2019-03-18 | 2020-09-24 | 深圳市华星光电半导体显示技术有限公司 | Manufacturing method of alignment film, and alignment film |
CN112742631A (en) * | 2020-12-24 | 2021-05-04 | 厦门天马微电子有限公司 | Nozzle assembly, jet printing device and jet printing method |
CN114721187A (en) * | 2022-04-28 | 2022-07-08 | 广州华星光电半导体显示技术有限公司 | Manufacturing method of alignment film and liquid crystal display panel |
CN114779533A (en) * | 2022-04-11 | 2022-07-22 | Tcl华星光电技术有限公司 | Alignment film and preparation method thereof |
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CN109581752A (en) * | 2018-12-24 | 2019-04-05 | 惠科股份有限公司 | Coating method and coating system of alignment liquid |
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CN112742631A (en) * | 2020-12-24 | 2021-05-04 | 厦门天马微电子有限公司 | Nozzle assembly, jet printing device and jet printing method |
CN114779533A (en) * | 2022-04-11 | 2022-07-22 | Tcl华星光电技术有限公司 | Alignment film and preparation method thereof |
CN114721187A (en) * | 2022-04-28 | 2022-07-08 | 广州华星光电半导体显示技术有限公司 | Manufacturing method of alignment film and liquid crystal display panel |
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