CN103558706A - Display substrate and preparation method thereof and display device - Google Patents
Display substrate and preparation method thereof and display device Download PDFInfo
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- CN103558706A CN103558706A CN201310542350.6A CN201310542350A CN103558706A CN 103558706 A CN103558706 A CN 103558706A CN 201310542350 A CN201310542350 A CN 201310542350A CN 103558706 A CN103558706 A CN 103558706A
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Abstract
The invention discloses a preparation method for a display substrate and aims to increase the adhesive force between a black matrix and a substrate and prevent a contact part between the black matrix and the substrate from falling off due to cracks. The method comprises the following steps: providing a substrate, and performing surface hydroxylation-enriching treatment on the substrate before preparation of the black matrix; treating the substrate subjected to the previous step by using a polymerizable siloxane solution, connecting the coupled radical of the polymerizable siloxane solution with a hydroxide radical on the surface of the substrate; forming a resin material for preparing the black matrix on the substrate subjected to the previous step, connecting the polymerizable radical of the polymerizable siloxane with the polymerizable radical of the resin material through an exposing process, and forming the black matrix through a developing process. The embodiment of the invention further provides a display substrate and a display device.
Description
Technical field
The present invention relates to field of liquid crystal display, relate in particular to a kind of display base plate and preparation method thereof, display device.
Background technology
Film transistor type liquid crystal display (Thin Film Technology Liquid Crystal Display, TFT-LCD) has become the main product in demonstration field, and liquid crystal panel is an important component part of TFT-LCD.
Liquid crystal panel is sealed, box-like is become by sealed plastic box with color membrane substrates by array base palte, between array base palte and color membrane substrates, liquid crystal is set.Quality on the technique of box envelope frame will affect the quality of liquid crystal panel, and therefore, the vacuum of array base palte and color membrane substrates is very important to the technique of box envelope frame.A meeting in color membrane substrates and array base palte is provided with black matrix, for preventing that bias light from leaking, improves display comparison degree, prevents the purity of colour mixture and increase color.Black matrix is to be formed on the glass substrate on color membrane substrates or array base palte by coating, exposure and developing process.When sealed plastic box is arranged on the black matrix in periphery of color membrane substrates or array base palte, because black matrix and the sealed plastic box of resin material has stronger adhesion, make adhesion between black matrix and place underlay substrate compare adhesion between black matrix and sealed plastic box relatively a little less than, easily make the generation crack, contact position of black matrix and place underlay substrate and come off, causing liquid crystal to leak.
Summary of the invention
The object of this invention is to provide a kind of display base plate and preparation method thereof, display device, to solve due to poor adhesion between the black matrix arranging on display base plate and underlay substrate, the black matrix that causes and the generation crack, contact position of place underlay substrate or the problem that black matrix is come off.
The object of the invention is to be achieved through the following technical solutions:
The embodiment of the present invention provides a kind of preparation method of display base plate, comprises the step of preparing black matrix, and the method comprises:
One underlay substrate is provided, before the black matrix of preparation, described underlay substrate is carried out to the processing of rich surface hydroxylation; And,
Utilize polymerizable siloxane solution-treated to complete the described underlay substrate of above-mentioned steps, the coupling group of described polymerizable siloxane and the surperficial hydroxyl of described underlay substrate are connected;
Complete the resin material that is formed for preparing black matrix on the described underlay substrate of above-mentioned steps, by exposure technology, the polymerizable groups of described polymerizable siloxane and the polymerizable groups of described resin material are connected, then form described black matrix by developing process.
In the embodiment of the present invention, before the black matrix on forming display base plate, first make the rich surface hydroxylation of underlay substrate, the recycling coupling group of polymerizable siloxane and the surperficial hydroxyl of underlay substrate are connected; On underlay substrate, after coated with resins material, by exposure, the polymerizable groups of polymerizable siloxane and the polymerizable groups of resin material are connected, thereby improve the adhesion between black matrix and underlay substrate.
Preferably, described underlay substrate being carried out to rich surface hydroxylation processes and to comprise and utilize acid solution, alkaline solution or hydrogen peroxide drip washing and/or soak described underlay substrate; Or, utilize the surface of underlay substrate described in plasma bombardment.
Preferably, described acid solution comprises the mixed solution that any one or combination in any in hydrochloric acid solution, sulfuric acid solution and potassium bichromate solution form.Above-mentioned acid solution is more conventional solution, easily draws materials.
Preferably, the concentration of described acid solution is 1% to 30%.Under this concentration, can make underlay substrate rich surface hydroxylation, and can not damage underlay substrate.
Preferably, the T.T. of utilizing acid solution to process described underlay substrate is 1 to 60 minute.By the processing of above-mentioned time, make the rich surface hydroxylation of underlay substrate, and can not damage underlay substrate.
Preferably, described polymerizable siloxane also comprises the linking group that connects described coupling group and described polymerizable groups, described linking group is the alkyl chain that includes ehter bond, ester bond, amido link or carbonic acid ester bond, or polymer graft chain, described polymerizable groups is any one in acrylate group, methacrylate based group, styryl group, epoxide group.
Preferably, the concentration of described polymerizable siloxane solution is 1% to 30%.The polymerizable siloxane solution of this concentration, can make the surperficial hydroxyl of underlay substrate fully be connected with the coupling group of polymerizable siloxane in polymerizable siloxane solution.
Preferably, utilizing the temperature of underlay substrate described in polymerizable siloxane solution-treated is 5 ℃ to 40 ℃, and the time is 1 to 60 minute.By temperature and the processing time of certain limit, the surperficial hydroxyl of underlay substrate is fully connected with the coupling group of polymerizable siloxane in polymerizable siloxane solution.
Embodiment of the present invention beneficial effect is as follows: before the black matrix on forming display base plate, utilize the underlay substrate after polymerizable siloxane solution is processed rich hydroxylation further to process, make by chemical combination key, to be connected between black matrix and the underlay substrate of preparation, thereby improve black matrix and underlay substrate between adhesion, avoid black matrix by the phenomenon coming off on underlay substrate.
The embodiment of the present invention provides a kind of display base plate, adopts method preparation as above.
The embodiment of the present invention provides a kind of display device, comprises display base plate as above.
Preferably, described display base plate is that color membrane substrates or described display base plate are array base palte.
Embodiment of the present invention beneficial effect is as follows: before the black matrix on forming display base plate, utilize the underlay substrate after polymerizable siloxane solution is processed rich hydroxylation further to process, make by chemical combination key, to be connected between black matrix and the underlay substrate of preparation, thereby improve the adhesion between black matrix and underlay substrate, avoid black matrix by the phenomenon coming off on underlay substrate.
Accompanying drawing explanation
The preparation method's of the display base plate that Fig. 1 provides for the embodiment of the present invention process flow diagram;
The general formula of the molecular structure of the polymerizable siloxane that Fig. 2 provides for the embodiment of the present invention;
The structural formula of a kind of concrete polymerizable siloxane that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with Figure of description, the implementation procedure of the embodiment of the present invention is elaborated.It should be noted that same or similar label from start to finish represents same or similar element or has the element of identical or similar functions.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of preparation method of display base plate, comprises the step of preparing black matrix, and the method comprises:
101, a underlay substrate is provided, before the black matrix of preparation, underlay substrate is carried out to the processing of rich surface hydroxylation.
102, utilize polymerizable siloxane solution-treated to complete the underlay substrate of above-mentioned steps, the coupling group of polymerizable siloxane and the surperficial hydroxyl of underlay substrate are connected.
103, on underlay substrate, be formed for preparing the resin material of black matrix, by exposure technology, the polymerizable groups of polymerizable siloxane and the polymerizable groups of resin material are connected, then form described black matrix by developing process.
In the embodiment of the present invention, before the black matrix on forming display base plate, utilize polymerizable siloxane solution to make the rich surface hydroxylation of underlay substrate, the recycling coupling group of polymerizable siloxane and the surperficial hydroxyl of underlay substrate are connected; On underlay substrate, after coated with resins material, by exposure, the polymerizable groups of polymerizable siloxane and the polymerizable groups of resin material are connected, thereby improve the adhesion between black matrix and underlay substrate.
In the present embodiment, underlay substrate is carried out to rich surface hydroxylation and process the processing procedure that can adopt many kinds of substance and correspondence.For example, utilize acid solution drip washing and/or soak underlay substrate, making the rich surface hydroxylation of underlay substrate.Again for example, utilize alkaline solution drip washing and/or soak underlay substrate, making the rich surface hydroxylation of underlay substrate.Again for example, utilize hydrogen peroxide drip washing and/or soak underlay substrate, making the rich surface hydroxylation of underlay substrate.Again for example, utilize the surface of plasma bombardment underlay substrate, make the rich surface hydroxyl of underlay substrate.Underlay substrate in the embodiment of the present invention refers to glass substrate, can make the rich surface hydroxylation of underlay substrate by above-mentioned processing mode.
In the present embodiment, to utilize acid solution drip washing and/or to soak underlay substrate for example, be described as follows:
Preferably, acid solution comprises the mixed solution that any one or combination in any in hydrochloric acid solution, sulfuric acid solution and potassium bichromate solution form.Above-mentioned acid solution is more conventional solution, easily draws materials.Preferably, the concentration of acid solution is 1% to 30%, can make underlay substrate rich surface hydroxylation under this concentration, and can not damage underlay substrate.Preferably, the T.T. of utilizing acid solution to process underlay substrate is 1 to 60 minute, by the processing of above-mentioned time, makes the rich surface hydroxylation of underlay substrate, and can not damage underlay substrate.
It should be noted that, utilize alkaline solution, hydrogen peroxide or plasma that the hydroxylated processing of rich surface of underlay substrate all can be obtained by prior art, therefore repeat no more.
Referring to Fig. 2, show the general formula of molecular structure of polymerizable siloxane.Comprise coupling group 201, linking group 202 and polymerizable groups 203.Preferably, the coupling group 201 of polymerizable siloxane is siloxane group, the polymerizable groups 202 of polymerizable siloxane is for including the alkyl chain of ehter bond group, ester bond group, amido link group or carbonic acid ester bond group, or polymer graft chain, the polymerizable groups of polymerizable siloxane is any one in 203 acrylate groups, methacrylate based group, styryl group, epoxide group.
Preferably, the concentration of polymerizable siloxane solution is 1% to 30%.The polymerizable siloxane solution of this concentration, can make the surperficial hydroxyl of underlay substrate fully be connected with the coupling group of polymerizable siloxane in polymerizable siloxane solution.
Preferably, the temperature of utilizing polymerizable siloxane solution-treated underlay substrate is 5 ℃ to 40 ℃, and the time is 1 to 60 minute.By temperature and the processing time of certain limit, the surperficial hydroxyl of underlay substrate is fully connected with the coupling group of polymerizable siloxane in polymerizable siloxane solution.
And then passing through successively on the underlay substrate of rich hydroxylation processing and polymerizable siloxane solution-treated, by coating, exposure and developing process, form black matrix.
Embodiment of the present invention beneficial effect is as follows: before the black matrix on forming display base plate, utilize the underlay substrate after polymerizable siloxane solution is processed rich hydroxylation further to process, make by chemical combination key, to be connected between black matrix and the underlay substrate of preparation, thereby improve the adhesion between black matrix and underlay substrate, avoid black matrix by the phenomenon coming off on underlay substrate.
The embodiment of the present invention provides a kind of preparation method of more concrete liquid crystal display underlay substrate, comprising:
Step 1, provide a underlay substrate, and clean, wherein, this underlay substrate is glass substrate.
Step 2, to utilize concentration be 10% hydrochloric acid solution drip washing underlay substrate 30 minutes, then with pure water, cleans; The sulfuric acid solution that is 10% by concentration again soaks 30 minutes, after cleaning, makes underlay substrate dry with distilled water.Wherein, environment temperature is 25 ℃.
It should be noted that, the mode of drip washing and immersion can be selected according to actual needs, when soaking underlay substrate, also can carry out ultrasound wave processing; Same environment temperature also needs to set according to actual needs.The embodiment of the present invention, just in order to illustrate, is not limitation of the present invention.
Embodiment of the present invention beneficial effect is as follows: before the black matrix on forming display base plate, utilize acid solution to carry out rich hydroxylation processing to underlay substrate, underlay substrate after recycling polymerizable siloxane solution is processed rich hydroxylation is further processed, make by chemical combination key, to be connected between black matrix and the underlay substrate of preparation, thereby improve the adhesion between black matrix and underlay substrate, avoid black matrix by the phenomenon coming off on underlay substrate.
Referring to Fig. 3, show the structural formula of propyl trimethoxy silicane in the present embodiment.Wherein, comprise as coupling group 301, as linking group 302 and as 303 of polymerizable groups.It should be noted that, structural formula shown in Fig. 3, just in order to describe with propyl trimethoxy silicane, the invention is not restricted to this.The general formula of molecular structure of the polymerizable siloxane providing in providing according to embodiment of the present invention Fig. 2, and the concrete group that in general formula of molecular structure, coupling group 201, linking group 202 and polymerizable groups 203 can be selected, those skilled in the art can be combined to form the structural formula of multiple silane to realize the present invention, at this, differ one for example.
Step 4, by coating, exposure and developing process, on underlay substrate, form black matrix.
The embodiment of the present invention provides a kind of liquid crystal display underlay substrate, adopts method preparation as above.
The embodiment of the present invention provides a kind of display device, comprises display base plate as above.
Preferably, display base plate is color membrane substrates.
Preferably, display base plate is array base palte.
The display device that the present embodiment provides can be: any product or parts with Presentation Function such as display panels, Electronic Paper, oled panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
Embodiment of the present invention beneficial effect is as follows: before the black matrix on forming display base plate, utilize the underlay substrate after polymerizable siloxane solution is processed rich hydroxylation further to process, make by chemical combination key, to be connected between black matrix and the underlay substrate of preparation, thereby improve the adhesion between black matrix and underlay substrate, avoid black matrix by the phenomenon coming off on underlay substrate.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a preparation method for display base plate, comprises the step of preparing black matrix, it is characterized in that, comprising:
One underlay substrate is provided, before the black matrix of preparation, described underlay substrate is carried out to the processing of rich surface hydroxylation; And,
Utilize polymerizable siloxane solution-treated to complete the described underlay substrate of above-mentioned steps, the coupling group of described polymerizable siloxane and the surperficial hydroxyl of described underlay substrate are connected;
Complete the resin material that is formed for preparing black matrix on the described underlay substrate of above-mentioned steps, by exposure technology, the polymerizable groups of described polymerizable siloxane and the polymerizable groups of described resin material are connected, then form described black matrix by developing process.
2. the method for claim 1, is characterized in that, described underlay substrate is carried out to rich surface hydroxylation and process and to comprise and utilize acid solution, alkaline solution or hydrogen peroxide drip washing and/or soak described underlay substrate; Or, utilize the surface of underlay substrate described in plasma bombardment.
3. method as claimed in claim 2, is characterized in that, described acid solution comprises the mixed solution that any one or the combination in any in hydrochloric acid solution, sulfuric acid solution and potassium bichromate solution forms.
4. method as claimed in claim 3, is characterized in that, the concentration of described acid solution is 1% to 30%.
5. method as claimed in claim 4, is characterized in that, the T.T. of utilizing acid solution to process described underlay substrate is 1 to 60 minute.
6. the method for claim 1, it is characterized in that, described polymerizable siloxane also comprises the linking group that connects described coupling group and described polymerizable groups, described linking group is the alkyl chain that includes ehter bond, ester bond, amido link or carbonic acid ester bond, or polymer graft chain, described polymerizable groups is any one in acrylate group, methacrylate based group, styryl group, epoxide group.
7. method as claimed in claim 6, is characterized in that, the concentration of described polymerizable siloxane solution is 1% to 30%.
8. method as claimed in claim 6, is characterized in that, utilizing the temperature of underlay substrate described in polymerizable siloxane solution-treated is 5 ℃ to 40 ℃, and the time is 1 to 60 minute.
9. a display base plate, is characterized in that, adopts the method preparation as described in claim 1 to 8 any one.
10. a display device, is characterized in that, comprises display base plate as claimed in claim 9.
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| CN104793384A (en) * | 2015-04-03 | 2015-07-22 | 京东方科技集团股份有限公司 | Ultra-thin liquid crystal display and production method thereof |
| CN109426029A (en) * | 2017-08-28 | 2019-03-05 | 乐金显示有限公司 | Flexible color filter device substrate and flexible emissive display device including the substrate |
| CN110818278A (en) * | 2019-10-31 | 2020-02-21 | 中山大学 | Method for improving anti-scaling performance of material surface |
| CN111665656A (en) * | 2020-06-28 | 2020-09-15 | 武汉华星光电技术有限公司 | Display device and method for manufacturing the same |
| CN112445019A (en) * | 2019-09-05 | 2021-03-05 | 咸阳彩虹光电科技有限公司 | Functional substrate, liquid crystal display panel and display |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104793384A (en) * | 2015-04-03 | 2015-07-22 | 京东方科技集团股份有限公司 | Ultra-thin liquid crystal display and production method thereof |
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| CN110818278A (en) * | 2019-10-31 | 2020-02-21 | 中山大学 | Method for improving anti-scaling performance of material surface |
| CN111665656A (en) * | 2020-06-28 | 2020-09-15 | 武汉华星光电技术有限公司 | Display device and method for manufacturing the same |
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Application publication date: 20140205 |