CN109752888A - A kind of display panel and preparation method thereof, display device - Google Patents
A kind of display panel and preparation method thereof, display device Download PDFInfo
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- CN109752888A CN109752888A CN201910233139.3A CN201910233139A CN109752888A CN 109752888 A CN109752888 A CN 109752888A CN 201910233139 A CN201910233139 A CN 201910233139A CN 109752888 A CN109752888 A CN 109752888A
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- display panel
- shield layer
- light shield
- ultraviolet light
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Abstract
A kind of display panel and preparation method thereof, display device, wherein the production method of display panel includes: to form light shield layer in the ultraviolet light incident side of display panel, and light shield layer is in the display area of the orthographic projection covering display panel of display panel；Sealant is coated, is irradiated by ultraviolet light and carries out sealant solidification.The application forms light shield layer by the ultraviolet light incident side in display panel, eliminate the use of ultraviolet mask plate when sealant solidifies, thoroughly prevent the Mura phenomenon as caused by the precision of the bad control of the distance between ultraviolet mask plate and display panel, ultraviolet mask plate is inadequate or Light Diffraction Effect, so that the display area of display panel will not be irradiated to by ultraviolet light when sealant solidifies, the display effect of display panel is improved.
Description
Technical field
Present document relates to field of display technology, and in particular to a kind of display panel and preparation method thereof, display device.
Background technique
Liquid crystal display has many advantages, such as that small in size, light-weight, high resolution, contrast are high, resolution is high, extensively
Applied in various equipment.The display panel of liquid crystal display is made up of molding process in the related technology, the tool of molding process
Body step includes: the surrounding coating sealant in a substrate；Liquid crystal is added dropwise in another substrate center simultaneously；Later, vacuum is pasted
Two substrates are closed, that is, are carried out to box technique；Finally, solidifying sealant using ultraviolet light, to complete molding process.
Through inventor the study found that the solidification of sealant usually utilizes ultraviolet light mask plate, in sealant solidification, display
The part display area of panel can be irradiated to by ultraviolet light and mura phenomenon occurs, reduce the display effect of display panel.
Summary of the invention
This application provides a kind of display panels and preparation method thereof, display device, can avoid when sealant solidifies
The display area of display panel is irradiated by ultraviolet light, improves the display effect of display panel.
In a first aspect, this application provides a kind of production methods of display panel, which comprises
Light shield layer is formed in the ultraviolet light incident side of the display panel, the light shield layer is covered in the orthographic projection of display panel
The display area of lid display panel；
Sealant is coated, is irradiated by ultraviolet light and carries out sealant solidification.
Optionally, the display panel includes: array substrate and color membrane substrates；
The ultraviolet light incident side is the side where array substrate, the ultraviolet light incident side in the display panel
Forming light shield layer includes: to form light shield layer far from the side of color membrane substrates in array substrate；
The ultraviolet light incident side is the side where color membrane substrates, the ultraviolet light incident side in the display panel
Forming light shield layer includes: to form light shield layer far from the side of array substrate in color membrane substrates.
Optionally, the making material of the light shield layer includes: ink or metal.
Optionally, when the making material of light shield layer is ink, the ultraviolet light incident side shape in the display panel
Include: at light shield layer
Light shield layer is formed by screen printing process in the ultraviolet light incident side of display panel, alternatively, in display panel
Ultraviolet light incident side deposits light screening material, forms light shield layer by cleaning process.
Optionally, when the making material of light shield layer is metal, the ultraviolet light incident side shape in the display panel
Include: at light shield layer
In the ultraviolet light incident side deposited metal film of display panel, light shield layer is formed by patterning processes.
Optionally, it is described coating sealant include: carried out respectively in array substrate and color membrane substrates liquid crystal instillation and
The coating of sealant；
Before irradiating progress sealant solidification by ultraviolet light, the method also includes: by array substrate and color film base
Plate carries out vacuum to box.
Optionally, after the irradiation progress sealant solidification by ultraviolet light, the method also includes: removal shading
Layer carries out the display panel after removal light shield layer thinned.
Optionally, the removal light shield layer includes: to remove light shield layer by cleaning process.
Second aspect, the application also provide a kind of display panel, are made of such as above method.
The third aspect, the application also provide a kind of display device, comprising: above-mentioned display panel.
The application provides a kind of display panel and preparation method thereof, display device, wherein the production method packet of display panel
It includes: forming light shield layer in the ultraviolet light incident side of display panel, light shield layer covers display panel in the orthographic projection of display panel
Display area；Sealant is coated, is irradiated by ultraviolet light and carries out sealant solidification.The application passes through the ultraviolet light in display panel
Incident side forms light shield layer, eliminates the use of ultraviolet mask plate when sealant solidifies, thoroughly prevents due to ultraviolet light mask
The distance between plate and display panel it is bad control, ultraviolet mask plate precision not enough or Light Diffraction Effect caused by Mura
Phenomenon improves display panel so that the display area of display panel will not be irradiated to by ultraviolet light when sealant solidifies
Display effect.
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood and implementing the application.Other advantages of the application can be by specification, claims
And scheme described in attached drawing is achieved and obtained.
Detailed description of the invention
Attached drawing is used to provide the understanding to technical scheme, and constitutes part of specification, with the application's
Embodiment is used to explain the technical solution of the application together, does not constitute the limitation to technical scheme.
Fig. 1 is the cured schematic diagram of sealant in the related technology；
Fig. 2 is the flow chart of the production method of display panel provided by the embodiments of the present application；
Fig. 3 is the schematic diagram one of the production method of display panel provided by the embodiments of the present application；
Fig. 4 is the schematic diagram two of the production method of display panel provided by the embodiments of the present application；
Fig. 5 is the schematic diagram three of the production method of display panel provided by the embodiments of the present application；
Fig. 6 is the schematic diagram four of the production method of display panel provided by the embodiments of the present application；
Fig. 7 is the schematic diagram five of the production method of display panel provided by the embodiments of the present application；
Fig. 8 is the schematic diagram six of the production method of display panel provided by the embodiments of the present application；
Fig. 9 is the schematic diagram seven of the production method of display panel provided by the embodiments of the present application.
Specific embodiment
This application describes multiple embodiments, but the description is exemplary, rather than restrictive, and for this
It is readily apparent that can have more in the range of embodiments described herein includes for the those of ordinary skill in field
More embodiments and implementation.Although many possible feature combinations are shown in the attached drawings, and in a specific embodiment
It is discussed, but many other combinations of disclosed feature are also possible.Unless the feelings specially limited
Other than condition, any feature or element of any embodiment can be with any other features or element knot in any other embodiment
It closes and uses, or any other feature or the element in any other embodiment can be substituted.
The application includes and contemplates the combination with feature known to persons of ordinary skill in the art and element.The application is
It can also combine with any general characteristics or element through disclosed embodiment, feature and element, be defined by the claims with being formed
Unique scheme of the invention.Any feature or element of any embodiment can also be with features or member from other scheme of the invention
Part combination, to form the unique scheme of the invention that another is defined by the claims.It will thus be appreciated that showing in this application
Out and/or any feature of discussion can be realized individually or in any suitable combination.Therefore, in addition to according to appended right
It is required that and its other than the limitation done of equivalent replacement, embodiment is not limited.Furthermore, it is possible in the guarantor of appended claims
It carry out various modifications and changes in shield range.
In addition, method and/or process may be rendered as spy by specification when describing representative embodiment
Fixed step sequence.However, in the degree of this method or process independent of the particular order of step described herein, this method
Or process should not necessarily be limited by the step of particular order.As one of ordinary skill in the art will appreciate, other steps is suitable
Sequence is also possible.Therefore, the particular order of step described in specification is not necessarily to be construed as limitations on claims.This
Outside, the claim for this method and/or process should not necessarily be limited by the step of executing them in the order written, art technology
Personnel are it can be readily appreciated that these can sequentially change, and still remain in the spirit and scope of the embodiment of the present application.
Unless otherwise defined, the embodiment of the present application discloses the technical term used or scientific term should be the application institute
The ordinary meaning that personage in category field with general technical ability is understood." first ", " second " used in the embodiment of the present application
And similar word is not offered as any sequence, quantity or importance, and be used only to distinguish different component parts.
The similar word such as " comprising " or "comprising", which means to occur element or object before the word, to be covered to appear in and arranges behind the word
The element of act perhaps object and its equivalent and be not excluded for other elements or object.The similar word such as " connection " or " connected "
Language is not limited to physics or mechanical connection, but may include electrical connection, either direct or indirect
's."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when the absolute position for the object being described changes
Afterwards, then the relative positional relationship may also correspondingly change.
Fig. 1 is the cured schematic diagram of sealant in the related technology, as shown in Figure 1, display panel include display area AA and
Non-display area AA ', display panel include array substrate 1, color membrane substrates 3 and sealant 5, wherein the viewing area of array substrate 1
Domain includes oriented layer 2, and the display area of color membrane substrates 3 includes oriented layer 4, and sealant is located at non-display area AA ', the relevant technologies
When middle sealant 5 solidifies, it is irradiated using ultraviolet light mask plate 6 by ultraviolet light.
As shown in Figure 1, in the related technology, display panel is scratched in order to prevent, between ultraviolet light mask plate and display panel
The distance of 2mm or more should be maintained at.Due between ultraviolet mask plate 6 and display panel exist interval, ultraviolet mask plate 6 with
The bad control of the distance between display panel, in addition, it is limited to the precision and Light Diffraction Effect of ultraviolet light mask plate, so that
Ultraviolet light can be irradiated to the part display area AA of display panel when sealant solidifies, so that the orientation for including in array substrate 1
Orientation characteristic in layer 2 and color membrane substrates 3 including oriented layer 4, which changes, there is Mura phenomenon, reduces the aobvious of display panel
Show effect.
In order to solve the above-mentioned technical problem, the embodiment of the present application provides a kind of display panel and preparation method thereof, display
Device.It is described as follows:
Embodiment one
The embodiment of the present application provides a kind of production method of display panel, and Fig. 2 is display surface provided by the embodiments of the present application
The flow chart of the production method of plate, as shown in Fig. 2, the production method of display panel provided by the embodiments of the present application specifically include with
Lower step:
Step S1, light shield layer is formed in the ultraviolet light incident side of display panel.
In the present embodiment, display panel includes display area and non-display area, orthographic projection of the light shield layer in display panel
Cover the display area of display panel.
Preferably, light shield layer is overlapped in the orthographic projection of display panel with the display area of display panel.
Display panel in the present embodiment is liquid crystal display panel, and liquid crystal display panel includes: array substrate and color film base
Plate, optionally, the ultraviolet light incident side of display panel can be in array substrate, can also be on color membrane substrates, and the application is real
It applies example and this is not limited in any way.
Specifically, as an implementation, ultraviolet light incident side is the side where array substrate, step S1 is specifically wrapped
It includes: forming light shield layer far from the side of color membrane substrates in array substrate；Mode as another embodiment, ultraviolet light incident side are
Side where color membrane substrates, step S1 are specifically included: forming light shield layer far from the side of array substrate in color membrane substrates.
Step S2, sealant is coated, is irradiated by ultraviolet light and carries out sealant solidification.
It should be noted that sealant is not deposited in the orthographic projection of display panel and light shield layer in the orthographic projection of display panel
In overlapping region, sealant is located at the non-display area of display panel.
Specifically, step S2 is specifically included: carrying out instillation and the envelope frame of liquid crystal respectively in array substrate and color membrane substrates
Array substrate and color membrane substrates are carried out vacuum to box by the coating of glue, by ultraviolet light from ultraviolet light incident side be irradiated into
The solidification of row sealant.Optionally, the instillation that liquid crystal is carried out in array substrate carries out the coating of sealant in color membrane substrates row,
Alternatively, carrying out the coating of sealant on color membrane substrates, the instillation of liquid crystal is carried out in array substrate, the embodiment of the present application is to this
It is not limited in any way.
The production method of display panel provided by the embodiments of the present application includes: to be formed in the ultraviolet light incident side of display panel
Light shield layer, light shield layer is in the display area of the orthographic projection covering display panel of display panel；Sealant is coated, is shone by ultraviolet light
Inject the solidification of row sealant.The application forms light shield layer by the ultraviolet light incident side in display panel, and it is solid to eliminate sealant
The use of ultraviolet mask plate when change, thoroughly prevent due to the distance between ultraviolet mask plate and display panel it is bad control,
The precision of ultraviolet mask plate not enough or Mura phenomenon caused by Light Diffraction Effect so that the display panel in sealant solidification
Display area will not be irradiated to by ultraviolet light, improve the display effect of display panel.
Further, the making material of light shield layer includes but is not limited to: ink or metal, the embodiment of the present application with ink or
Explanation is described for metal, but it should be recognized that the making material of light shield layer is not limited to ink or metal.
Optionally, the embodiment of the present application does not limit the thickness of light shield layer, as long as the effect of shading can be played.
Optionally, ink can be Mike's pen inks, and the present embodiment is not construed as limiting this.
Further, when the making material of light shield layer is ink, step S1 is specifically included: in the ultraviolet light of display panel
Incident side forms light shield layer by screen printing process, alternatively, the ultraviolet light incident side in display panel deposits light screening material, leads to
Over cleaning technique forms light shield layer.Wherein, cleaning process includes being cleaned using solvent, and optionally, solvent includes: ethyl alcohol or third
Ketone etc., the application is not limited in any way this, as long as the light screening material of non-display area can be removed.
Further, when the making material of light shield layer is metal, step S1 is specifically included: in the ultraviolet light of display panel
Incident side deposited metal film, forms light shield layer by patterning processes.
Wherein, patterning processes include: the techniques such as photoresist deposition, exposure development, etching and removing, the embodiment of the present application pair
This is not limited in any way.
The embodiment of the present application forms light shield layer to realize the solidification of sealant, so that display surface using existing manufacture craft
The manufacture craft of plate is simpler.Specifically, the material of light shield layer is different, shading layer process is formed there is also difference, with specific reference to
Actual demand is determined, and the embodiment of the present application is not limited in any way this.
Further, in order to reduce the thickness of display panel, the production method of display panel provided by the embodiments of the present application
Upon step s 2, further includes: removal light shield layer carries out the display panel after removal light shield layer thinned.
Specifically, when the making material of light shield layer be ink when, removal light shield layer include: using be thinned factory be thinned before
Cleaning process removes light shield layer, wherein cleaning process includes being cleaned using solvent, and optionally, solvent includes: ethyl alcohol or acetone
Deng the application is not limited in any way this, as long as light shield layer can be removed.
Further, also increase sponge grinding wheel in cleaning process before being thinned, solvent is sufficiently connect with light shield layer
Touching, can thoroughly remove the light shield layer of the ultraviolet light incident side positioned at display panel.
Specifically, removal light shield layer includes: to remove shading using etching technics when the making material of light shield layer is metal
Layer, wherein etching technics includes: laser ablation or wet etching, is determined with specific reference to actual demand, and the application does not make this
Any restriction.
Further, the substrate base being thinned include: in thinned array substrate is carried out to the display panel after removal light shield layer
The thickness of underlay substrate in plate and color membrane substrates.
It is carried out in array substrate below with reference to Fig. 3~Fig. 9 using ultraviolet light incident side as the side where array substrate
The instillation of liquid crystal, for the coating that color membrane substrates row carries out sealant, display panel includes display area AA and non-display area
Domain AA ', further specifically describe the production method of display panel provided by the embodiments of the present application specifically includes the following steps:
Step 100 forms array substrate 10, specific as shown in Figure 3.
Specifically, array substrate 10 includes: the first underlay substrate, thin film transistor (TFT) array, pixel electrode and first orientation
Layer 11, step 100 includes: to form thin film transistor (TFT) array on the first underlay substrate, and picture is formed on thin film transistor (TFT) array
Plain electrode forms first alignment layer 11, wherein thin film transistor (TFT) array, pixel electrode and first alignment layer on the pixel electrode
It is respectively provided with the display area of array substrate.
Optionally, the making material of first alignment layer 11 includes: polyimides.
Step 200 forms light shield layer 30 in the side of array substrate 10, specific as shown in Figure 4.
Wherein, light shield layer 30 is located at side of the array substrate far from color membrane substrates, wherein light shield layer 30 is in array substrate 10
Orthographic projection covering array substrate display area.
Step 200 can be to form light shield layer by screen printing process or patterning processes, and the embodiment of the present application is to this
It is not limited in any way.
Step 300 forms color membrane substrates 20, specific as shown in Figure 5.
Specifically, color membrane substrates 20 include: black matrix layer 21 and second orientation layer 22, optionally, second orientation layer 22
Making material includes polyimides, is arranged in display area.
Step 400, the instillation that liquid crystal is carried out in array substrate 10, carry out the painting of sealant 40 on color membrane substrates 20
It covers, array substrate 10 and color membrane substrates 20 is carried out to box, it is specific as shown in Figure 6.
Optionally, the instillation that liquid crystal can also be carried out on color membrane substrates 20 carries out sealant 40 in array substrate 10
Coating, the present embodiment is not limited in any way this.
Step 500 solidifies sealant 50 by ultraviolet light irradiation, specific as shown in Figure 7.
The embodiment of the present application since light shield layer is directly contacted with array substrate, and cover display area so that ultraviolet light without
Method is irradiated to display area, improves the display effect of display panel.
Step 600 removes light shield layer 30 using the cleaning process before being thinned, specific as shown in Figure 8.
Step 700, the display panel after removal light shield layer 30 is carried out it is thinned, it is specific as shown in Figure 9.
Embodiment two
Inventive concept based on previous embodiment, the embodiment of the present application provide a kind of display panel, using embodiment one
The production method of the display panel of offer is made.
The production method for the display panel that display panel provided by the present application is provided using embodiment one is made, and realizes former
Reason is similar with effect is realized, details are not described herein.
Embodiment three
Inventive concept based on previous embodiment, the embodiment of the present application provide a kind of display device, the display device packet
It includes: display panel.
Specifically, display device can be liquid crystal display (Liquid Crystal Display, abbreviation LCD), electronics
Paper mobile phone, tablet computer, television set, display, laptop, Digital Frame, navigator etc. are any having a display function
Any restriction is not done in products or components, the embodiment of the present application comparison.
Wherein, display panel is the display panel that the embodiment of the present application one provides, and realization principle is similar with effect is realized,
Details are not described herein.
It should be noted that display device provided by the embodiments of the present application can be twisted-nematic (Twisted
Nematic, abbreviation TN) mode, vertical (Vertical Alignment, abbreviation VA) mode, plane conversion technology (In-plane
Switching, abbreviation IPS) mode or Senior super dimension field switch technology (Advance super Dimension Switch, letter
Claim ADS) mode, the embodiment of the present application do not do any restriction to this.
For clarity, in the attached drawing for describing embodiments herein, the thickness and size of layer or micro-structure
It is amplified.It is appreciated that ought such as layer, film, region or substrate etc element be referred to as be located at another element "above" or "below"
When, which " direct " can be located at "above" or "below" another element, or may exist intermediary element.
Although embodiment disclosed by the application is as above, the content only for ease of understanding the application and use
Embodiment is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application
Under the premise of the spirit and scope of dew, any modification and variation, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of production method of display panel, which is characterized in that the described method includes:
Light shield layer is formed in the ultraviolet light incident side of the display panel, the light shield layer is aobvious in the orthographic projection covering of display panel
Show the display area of panel；
Sealant is coated, is irradiated by ultraviolet light and carries out sealant solidification.
2. the method according to claim 1, wherein the display panel includes: array substrate and color membrane substrates；
The ultraviolet light incident side is the side where array substrate, and the ultraviolet light incident side in the display panel is formed
Light shield layer includes: to form light shield layer far from the side of color membrane substrates in array substrate；
The ultraviolet light incident side is the side where color membrane substrates, and the ultraviolet light incident side in the display panel is formed
Light shield layer includes: to form light shield layer far from the side of array substrate in color membrane substrates.
3. according to the method described in claim 2, it is characterized in that, the making material of the light shield layer includes: ink or metal.
4. according to the method described in claim 3, it is characterized in that, when the making material of light shield layer be ink when, it is described in institute
The ultraviolet light incident side for stating display panel forms light shield layer and includes:
Light shield layer is formed by screen printing process in the ultraviolet light incident side of display panel, alternatively, in the ultraviolet of display panel
Line incident side deposits light screening material, forms light shield layer by cleaning process.
5. according to the method described in claim 3, it is characterized in that, when the making material of light shield layer be metal when, it is described in institute
The ultraviolet light incident side for stating display panel forms light shield layer and includes:
In the ultraviolet light incident side deposited metal film of display panel, light shield layer is formed by patterning processes.
6. according to the method described in claim 2, it is characterized in that, the coating sealant includes: in array substrate and color film
The instillation of liquid crystal and the coating of sealant are carried out on substrate respectively；
Before being irradiated by ultraviolet light and carrying out sealant solidification, the method also includes: by array substrate and color membrane substrates into
Row vacuum is to box.
7. according to the method described in claim 4, it is characterized in that, described solidify it by ultraviolet light irradiation progress sealant
Afterwards, the method also includes: removal light shield layer, to removal light shield layer after display panel carry out it is thinned.
8. the method according to the description of claim 7 is characterized in that the removal light shield layer includes: to be removed by cleaning process
Light shield layer.
9. a kind of display panel, which is characterized in that be made of method as described in any one of claims 1 to 8.
10. a kind of display device, which is characterized in that including display panel as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910233139.3A CN109752888A (en) | 2019-03-26 | 2019-03-26 | A kind of display panel and preparation method thereof, display device |
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| CN201910233139.3A CN109752888A (en) | 2019-03-26 | 2019-03-26 | A kind of display panel and preparation method thereof, display device |
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| CN201910233139.3A Pending CN109752888A (en) | 2019-03-26 | 2019-03-26 | A kind of display panel and preparation method thereof, display device |
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| CN110413151A (en) * | 2019-07-16 | 2019-11-05 | 惠州市华星光电技术有限公司 | Touch-control display panel and touch control display apparatus |
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