CN110161742A - Black matrix" and preparation method thereof, display panel - Google Patents
Black matrix" and preparation method thereof, display panel Download PDFInfo
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- CN110161742A CN110161742A CN201910404619.1A CN201910404619A CN110161742A CN 110161742 A CN110161742 A CN 110161742A CN 201910404619 A CN201910404619 A CN 201910404619A CN 110161742 A CN110161742 A CN 110161742A
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- black matrix
- spiropyran derivatives
- auxiliary agent
- follows
- resin combination
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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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
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- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Optical Filters (AREA)
- Materials For Photolithography (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of black matrix"s and preparation method thereof, display panel, black matrix" is made of a kind of resin combination, the resin combination includes: spiropyran derivatives, binder resin, photoinitiator, polymerisable monomer, light screening material, auxiliary agent and solvent, the molecular structural formula of the spiropyran derivatives are as follows:Wherein R are as follows:-CnH2n+1、‑CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.Polymer chain can be driven in the program after the spiropyran derivatives recurring structure isomery and adulterates the rearrangement of molecule, the gap between black matrix" and substrate is eliminated, improves the yields of display panel.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of black matrix" and preparation method thereof, display panel.
Background technique
Currently, being set on CF (Color Filter, colored filter) substrate in liquid crystal display panel of thin film transistor
It is equipped with BM (Black Matrix, black matrix"), for preventing colour mixture or CF substrate edges light leakage between pixel.With market pair
The requirement of product high performance, BM line width is more and more narrow, also requires the higher and higher of the optical density value of BM, and generally by
Increase the content of carbon in BM to promote the optical density value of BM.
But the increase of the content of carbon will lead in liquid crystal display panel of thin film transistor in the reduction of BM line width and BM
BM and substrate, frame glue between adhesive force reduce, and then bubble is caused to enter panel, causes panel quality bad.
In conclusion it is necessary to provide black matrix"s of a kind of high-quality and preparation method thereof, display panel.
Summary of the invention
The purpose of the present invention is to provide a kind of black matrix"s and preparation method thereof, display panel, by preparing black
Spiropyran derivatives are added in the resin combination of matrix, polymer can be driven after the spiropyran derivatives recurring structure isomery
The rearrangement of chain and doping molecule improves the yields of display panel to eliminate the gap between black matrix" and substrate.
The embodiment of the present invention provides a kind of black matrix", and the black matrix" is made of a kind of resin combination, described
Resin combination includes spiropyran derivatives, the molecular structural formula of the spiropyran derivatives are as follows:
Wherein, the R are as follows:-CnH2n+1、-CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
In one embodiment, the resin combination further include: binder resin, the binder resin is in the resin combination
Mass percent 5~15% in object；Photoinitiator, mass percent of the photoinitiator in the resin combination
0.01~2%；Polymerisable monomer, mass percent 0.01~1% of the polymerisable monomer in the resin combination；It hides
Luminescent material, mass percent 5~12% of the light screening material in the resin combination；Auxiliary agent, the auxiliary agent is described
Mass percent 0~0.5% in resin combination；Solvent, mass percent of the solvent in the resin combination
70~85%；Wherein mass percent 1~5% of the spiropyran derivatives in the resin combination.
In one embodiment, the binder resin includes multiple functional radical acrylic resin, and the functional group includes insatiable hunger
With at least one of double bond, epoxy group, hydroxyl, carboxyl.
In one embodiment, the photoinitiator includes acetophenone compounds, glyoxaline compound, Benzophenones chemical combination
At least one of object, benzoin class compound, acylphosphine oxide derivative.
In one embodiment, the polymerisable monomer include the styrene with unsaturated double-bond structure, acrylate or
Methacrylate.
In one embodiment, the auxiliary agent includes attachment auxiliary agent and leveling auxiliary agent, and the attachment auxiliary agent includes silane coupled
Agent.
In one embodiment, the solvent includes tetrahydrofuran, cyclohexanone, propylene glycol methyl ether acetate, ethyl acetate, second
Acid butyl ester, 3- methoxybutyl acetic acid esters, 3- ethoxyl ethyl propionate, propylene glycol monomethyl ethyl acetic acid esters, acetone, ethylene glycol
Dimethyl ether, diethylene glycol dimethyl ether, diethylene glycol dimethyl ether, butyl acetate glycol monoethyl ether, propylene glycol list
Methyl ether, Isosorbide-5-Nitrae-dioxane, methyl ethyl ketone, methylisobutylketone, methanol, ethyl alcohol, propyl alcohol, n-butanol, toluene, dimethylbenzene, second
At least one of benzene, dimethyl sulfoxide, dimethyl acetamide.
In one embodiment, the composition material of the black matrix" includes the constitutional isomer of spiropyran derivatives, described
The molecular structure of the constitutional isomer of spiropyran derivatives are as follows:
Wherein, the R are as follows:-CnH2n+1、-CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
The embodiment of the present invention also provides a kind of preparation method of black matrix", comprising:
Binder resin, photoinitiator, polymerisable monomer, light screening material, spiropyran derivatives, auxiliary agent, solvent are provided；
By the binder resin, photoinitiator, polymerisable monomer, light screening material, spiropyran derivatives and auxiliary agent with it is described
Solvent mixing, forms solution；
By the solution coating in substrate surface, thin film is formed；
The film is performed etching, black matrix" is formed, the composition material of the black matrix" includes that spiro-pyrans is derivative
The constitutional isomer of object, the molecular structure of the constitutional isomer of the spiropyran derivatives are as follows:
Wherein, the R are as follows:-CnH2n+1、-
CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
The embodiment of the present invention also provides a kind of display panel, and the display panel includes first substrate and first base
The black matrix" close to the first substrate of the second substrate and setting that plate is oppositely arranged on the second substrate；
Wherein, the composition material of the black matrix" includes the constitutional isomer of spiropyran derivatives, and the spiro-pyrans spreads out
The molecular structure of the constitutional isomer of biology are as follows:
Wherein, the R are as follows:-CnH2n+1、-
CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
The present invention provides a kind of black matrix" and preparation method thereof, display panel, which includes molecule knot
Structure formula is
Spiropyran derivatives, wherein the R
Are as follows:-CnH2n+1、-CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.The spiro-pyrans spreads out in the present invention
The constitutional isomer of the spiropyran derivatives generated after biological recurring structure isomery can drive polymer chain and adulterate molecule
It resets, eliminates the gap between black matrix" and substrate, improve the yields of display panel.
Detailed description of the invention
Below by attached drawing, invention is further explained.It should be noted that the accompanying drawings in the following description is only
Explanation some embodiments of the present invention are only for not make the creative labor for those skilled in the art
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the preparation method of black matrix" provided in an embodiment of the present invention.
Fig. 2 is the flow chart of the preparation method of another black matrix" provided in an embodiment of the present invention.
Fig. 3 is the flow chart of the preparation method of another black matrix" provided in an embodiment of the present invention.
Fig. 4 is the flow chart of the preparation method of another black matrix" provided in an embodiment of the present invention.
Fig. 5 is the schematic diagram of the cross section structure of display panel provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, the orientation or position of the instructions such as term " on ", "lower", " close "
Relationship be based on the orientation or positional relationship shown in the drawings, wherein "upper" is surface above object, refer specifically to generation just on
Side, oblique upper, upper surface are ok, as long as occuping on object level, in comparison " close " refers to, with target
Apart from smaller side, the above orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than is indicated
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.
In addition, it should also be noted that, attached drawing offer is only and Relationship Comparison of the present invention close structure and/or step
Suddenly, some and little details of inventive relationship is omitted, it is therefore intended that simplify attached drawing, keeps inventive point very clear, rather than table
Bright device in practice and/or method are exactly and attached drawing is the same, not as the limitation of device in practice and/or method.
The present invention provides a kind of black matrix", and the black matrix" includes a kind of resin combination.
The present invention provides the resin combination, and the resin combination includes spiropyran derivatives, binder resin, light
Initiator, polymerisable monomer, light screening material, auxiliary agent and solvent.
Wherein, mass percent of the binder resin in the resin combination is 5~15%, the photoinitiator
Mass percent in the resin combination is 0.01~2%, and the polymerisable monomer is in the resin combination
Mass percent is 0.01~1%, and mass percent of the light screening material in the resin combination is 5~12%, institute
Stating mass percent of the spiropyran derivatives in the resin combination is 1~5%, and the auxiliary agent is in the resin combination
In mass percent be 0~0.5%, mass percent of the solvent in the resin combination be 70~85%.
Particularly, the molecular structural formula of the spiropyran derivatives are as follows:
Wherein, the R are as follows:-CnH2n+1、-
CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3；The spiropyran derivatives are under conditions of illumination
It can be with recurring structure isomery, the molecular structural formula of the constitutional isomer of the spiropyran derivatives of generation are as follows:Wherein, the R are as follows:-CnH2n+1、-CmH2mOH、-
Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
Wherein, the binder resin includes multiple functional radical acrylic resin, and the functional group includes unsaturated double-bond, ring
At least one of oxygroup, hydroxyl, carboxyl.Further, constituent necessary to the binder resin is carboxylic propylene
Acid resin, such as 2- methylacryoyloxyethyl, phthalic acid, the carboxylic acrylic resin can make alkali solubility
Resin reacts with alkaline-based developer in development phase and is dissolved, rinses out, to form corresponding pattern.In general, described
Binder resin also contains epoxy group acrylic resin, and the epoxy group acrylic resin can produce after open loop occurs for the baking stage
Raw hydroxyl or with other epoxy acrylate further occurrence cross-linking reactions, to promote the compactness of the resin combination.
Wherein, the photoinitiator includes acetophenone compounds, glyoxaline compound, Benzophenones compound, benzene idol
At least one of relation by marriage class compound, acylphosphine oxide derivative.Particularly, the photoinitiator can be absorbed wave-length coverage and be
The energy of the light of 270nm~400nm come generate free radicals or cation, to cause monomer polymerization crosslinking curing.Specifically,
The photoinitiator may include diethoxy acetophenone, 2,2- dibutoxy acetophenone, 1- hydroxycyclohexylphenylketone, 2- hydroxyl
The acetophenone compounds such as base-2- methyl-1-phenyl-propane-1- ketone, 2,2- dimethoxy-2- phenyl acetophenone；2- methyl miaow
The glyoxaline compounds such as azoles, 4-methylimidazole, DMIZ 1,2 dimethylimidazole, benzimidazole；Benzophenone, tetraphenyl benzophenone, hydroxyl
The Benzophenones compounds such as benzophenone, 4,4- dimethylaminobenzophenone；Diphenylhydroxyethanone, -2 phenyl second of 1- (2- aminomethyl phenyl)
The benzoin class compound such as ketone；The acylphosphine oxides derivative such as trimethylbenzoy-dipheny phosphine oxide.Commercialization can be enumerated
, the photoinitiator can be irgacure369, OXE-01, OXE-02 etc..
Wherein, the polymerisable monomer includes the styrene, acrylate or metering system with unsaturated double-bond structure
Sour rouge.Specifiable, the polymerisable monomer can be double pentaerythritol C5 methacrylate, double pentaerythritol methacrylate.
Wherein, the light screening material includes at least one of carbon black, organic black pigments, inorganic black pigments.It can arrange
It lifts, MA100, #1000, #2650 that the carbon black can manufacture for C.I.pigment black7, Mitsubishi Chemical；It is described to have
Machine black pigment can be for perylene is black, nigrosine, Cyanine Black；The inorganic black pigments can for titanium oxide, chromium oxide,
Iron oxide or graphite.
Wherein, the auxiliary agent includes attachment auxiliary agent and leveling auxiliary agent, and the attachment auxiliary agent includes silane coupling agent.The stream
After flat auxiliary agent can make photoresist film forming solidification, the surface of film is more flat, uniform.Specifically, the attachment auxiliary agent includes
Carbamic acid base silane, vinyl silanes, isocyanatosilanes, epoxy radicals silicone hydride, (methyl) acryl silane, aidimines base
The oligomer form substance of silane etc. and above-mentioned alkanes；The leveling auxiliary agent includes acrylic compounds levelling agent, organosiloxane
At least one of class wetting agent, fluorine-carbon modified esters of acrylic acid levelling agent.
Wherein, the solvent include tetrahydrofuran, cyclohexanone, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate,
3- methoxybutyl acetic acid esters, 3- ethoxyl ethyl propionate, propylene glycol monomethyl ethyl acetic acid esters, acetone, glycol dimethyl ether,
Diethylene glycol dimethyl ether, diethylene glycol dimethyl ether, butyl acetate glycol monoethyl ether, propylene glycol monomethyl ether, 1,
4- dioxane, methyl ethyl ketone, methylisobutylketone, methanol, ethyl alcohol, propyl alcohol, n-butanol, toluene, dimethylbenzene, ethylbenzene, diformazan
At least one of sulfoxide, dimethyl acetamide.
The present invention also provides a kind of preparation methods of black matrix", as shown in Figure 1, including the following steps:
S101: binder resin, photoinitiator, polymerisable monomer, light screening material, spiropyran derivatives, auxiliary agent, molten is provided
Agent.
Wherein, mass percent of the binder resin in the resin combination is 5~15%, the photoinitiator
Mass percent in the resin combination is 0.01~2%, and the polymerisable monomer is in the resin combination
Mass percent is 0.01~1%, and mass percent of the light screening material in the resin combination is 5~12%, institute
Stating mass percent of the spiropyran derivatives in the resin combination is 1~5%, and the auxiliary agent is in the resin combination
In mass percent be 0~0.5%, mass percent of the solvent in the resin combination be 70~85%.
Particularly, the molecular structural formula of the spiropyran derivatives are as follows:
Wherein, the R are as follows:-CnH2n+1、-
CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3；The spiropyran derivatives are under conditions of illumination
It can be with recurring structure isomery, the molecular structural formula of the constitutional isomer of the spiropyran derivatives of generation are as follows:Wherein, the R are as follows:-CnH2n+1、-CmH2mOH、-
Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
Wherein, the binder resin includes multiple functional radical acrylic resin, and the functional group includes unsaturated double-bond, ring
At least one of oxygroup, hydroxyl, carboxyl.Further, constituent necessary to the binder resin is carboxylic propylene
Acid resin, such as 2- methylacryoyloxyethyl, phthalic acid, the carboxylic acrylic resin can make alkali solubility
Resin reacts with alkaline-based developer in development phase and is dissolved, rinses out, to form corresponding pattern.In general, described
Binder resin also contains epoxy group acrylic resin, and the epoxy group acrylic resin can produce after open loop occurs for the baking stage
Raw hydroxyl or with other epoxy acrylate further occurrence cross-linking reactions, to promote the compactness of the resin combination.
Wherein, the photoinitiator includes acetophenone compounds, glyoxaline compound, Benzophenones compound, benzene idol
At least one of relation by marriage class compound, acylphosphine oxide derivative.Particularly, the photoinitiator can be absorbed wave-length coverage and be
The energy of the light of 270nm~400nm come generate free radicals or cation, to cause monomer polymerization crosslinking curing.Specifically,
The photoinitiator may include diethoxy acetophenone, 2,2- dibutoxy acetophenone, 1- hydroxycyclohexylphenylketone, 2- hydroxyl
The acetophenone compounds such as base-2- methyl-1-phenyl-propane-1- ketone, 2,2- dimethoxy-2- phenyl acetophenone；2- methyl miaow
The glyoxaline compounds such as azoles, 4-methylimidazole, DMIZ 1,2 dimethylimidazole, benzimidazole；Benzophenone, tetraphenyl benzophenone, hydroxyl
The Benzophenones compounds such as benzophenone, 4,4- dimethylaminobenzophenone；Diphenylhydroxyethanone, -2 phenyl second of 1- (2- aminomethyl phenyl)
The benzoin class compound such as ketone；The acylphosphine oxides derivative such as trimethylbenzoy-dipheny phosphine oxide.Commercialization can be enumerated
, the photoinitiator can be irgacure369, OXE-01, OXE-02 etc..
Wherein, the polymerisable monomer includes the styrene, acrylate or metering system with unsaturated double-bond structure
Sour rouge.Specifiable, the polymerisable monomer can be double pentaerythritol C5 methacrylate, double pentaerythritol methacrylate.
Wherein, the light screening material includes at least one of carbon black, organic black pigments, inorganic black pigments.It can arrange
It lifts, MA100, #1000, #2650 that the carbon black can manufacture for C.I.pigment black7, Mitsubishi Chemical；It is described to have
Machine black pigment can be for perylene is black, nigrosine, Cyanine Black；The inorganic black pigments can for titanium oxide, chromium oxide,
Iron oxide or graphite.
Wherein, the auxiliary agent includes attachment auxiliary agent and leveling auxiliary agent, and the attachment auxiliary agent includes silane coupling agent.The stream
After flat auxiliary agent can make photoresist film forming solidification, the surface of film is more flat, uniform.Specifically, the attachment auxiliary agent includes
Carbamic acid base silane, vinyl silanes, isocyanatosilanes, epoxy radicals silicone hydride, (methyl) acryl silane, aidimines base
The oligomer form substance of silane etc. and above-mentioned alkanes；The leveling auxiliary agent includes acrylic compounds levelling agent, organosiloxane
At least one of class wetting agent, fluorine-carbon modified esters of acrylic acid levelling agent.
Wherein, the solvent include tetrahydrofuran, cyclohexanone, propylene glycol methyl ether acetate, ethyl acetate, butyl acetate,
3- methoxybutyl acetic acid esters, 3- ethoxyl ethyl propionate, propylene glycol monomethyl ethyl acetic acid esters, acetone, glycol dimethyl ether,
Diethylene glycol dimethyl ether, diethylene glycol dimethyl ether, butyl acetate glycol monoethyl ether, propylene glycol monomethyl ether, 1,
4- dioxane, methyl ethyl ketone, methylisobutylketone, methanol, ethyl alcohol, propyl alcohol, n-butanol, toluene, dimethylbenzene, ethylbenzene, diformazan
At least one of sulfoxide, dimethyl acetamide.
S102: by the binder resin, photoinitiator, polymerisable monomer, light screening material, spiropyran derivatives and auxiliary agent with
The solvent mixing, forms solution.
In one embodiment, as shown in Fig. 2, the step S102 can specifically include following steps:
S10211: the binder resin and solvent are respectively classified into first part and second part.
S10212 mixes the light screening material with first part of binder resin and first part of solvent, and it is molten to form first
Liquid.
Wherein it is possible to select for the binder resin and solvent to be respectively classified into identical in quality first part and second part, institute
Mixture can be stirred continuously by stating in mixed process, the light screening material is enabled to be dispersed in the binder resin and molten
In agent.
S10213: by first solution and the photoinitiator, polymerisable monomer, spiropyran derivatives, auxiliary agent and
Second part of binder resin and second part of solvent mixing, form solution.
Wherein, it can be stirred continuously mixture in the mixed process, the mixture is uniformly mixed.
In one embodiment, as shown in figure 3, the step S102 specifically also may include steps of.
S10221: the solvent is divided into first part and second part.
S10222: first part of solvent is added into container, nitrogen is passed through into the container, and described in stirring
Solvent heats the solvent to 100 DEG C, forms the second solution.
Wherein it is possible to select for the solvent to be divided into identical in quality first part and second part, can stir on one side described
Solvent heats the solvent on one side, enables solvent full and uniformization.
S10223: by the binder resin, photoinitiator, polymerisable monomer, light screening material, spiropyran derivatives, auxiliary agent
It is added into the container, and stirs mixture, form third solution.
Wherein it is possible to successively by the polymerisable monomer, binder resin, light screening material, spiropyran derivatives, auxiliary agent, light
Initiator is sequentially added into the container, and when stirring is 4-10 hours a length of, enables the mixture full and uniform
Change.
S10224: second part of solvent is added into the container, and mixture is cooled to 50-80 DEG C.
S10225: stop being passed through nitrogen into the container, the mixture in the container is placed in air and is stirred
It mixes, forms solution.
Wherein, 4-6 hours a length of when the stirring.
S103: by the solution coating in substrate surface, thin film is formed.
S104: the film is performed etching, and forms black matrix", the composition material of the black matrix" includes spiro-pyrans
The constitutional isomer of derivative, the molecular structure of the constitutional isomer of the spiropyran derivatives are as follows:
In one embodiment, as shown in figure 4, the step S104 can specifically include following steps:
S1041: being exposed the film, generates the constitutional isomer of spiropyran derivatives.
Wherein it is possible to the dominant wavelength of the light issued using high-pressure sodium lamp as the exposure light source, the high-pressure sodium lamp
For 365nm, the exposure can be 1 minute, and the spiropyran derivatives can recurring structure isomery during the exposure
Become the constitutional isomer of the spiropyran derivatives.
S1042: the film after the exposure is developed, hard baking, etching, peeling, forms the black matrix".
Particularly, the constitutional isomer of the spiropyran derivatives can drive the solution in subsequent annealing process
In polymer chain and doping molecule reset, eliminate the cavity between the film and the substrate and gap, can be with
Promote the adhesion at the interface between the film and the substrate.
The present invention also provides a kind of display panels, as shown in figure 5, the display panel 700 includes first substrate 701, sets
In the tft layer 702 on the first substrate, the passivation layer 703 on the tft layer, set on described
It pixel electrode 704 and spacer material 705 on passivation layer, the second substrate 706 being oppositely arranged with the first substrate 701 and sets
Set the black matrix" 707 close to the first substrate 701 in the second substrate 706.
Wherein, the black matrix" 707 is made of the resin combination, the composition material packet of the black matrix" 70
Include the constitutional isomer of spiropyran derivatives, the molecular structure of the constitutional isomer of the spiropyran derivatives are as follows:Wherein, the R are as follows:-CnH2n+1 ,-
CnH2nOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
Particularly, the constitutional isomer of the spiropyran derivatives can drive polymer chain in subsequent annealing process
It is reset with doping molecule, eliminates the cavity between the black matrix" and the substrate and gap, can be promoted described
The adhesion at the interface between black matrix" and the substrate.
The present invention provides a kind of resin combination, black matrix" and preparation method thereof, display panel, the described resin group
Closing object includes: spiropyran derivatives, binder resin, photoinitiator, polymerisable monomer, light screening material, auxiliary agent and solvent, the spiral shell pyrrole
It mutters the molecular structural formula of derivative are as follows:
Wherein, the R are as follows:-CnH2n+
1 ,-CnH2nOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.The spiropyran derivatives occur in the program
Polymer chain can be driven after structural isomerism and adulterates the rearrangement of molecule, eliminated the gap between black matrix" and substrate, mentioned
The high yields of display panel.
It is provided for the embodiments of the invention a kind of resin combination, black matrix" and preparation method thereof, display surface above
Plate is described in detail, and used herein a specific example illustrates the principle and implementation of the invention, above
The explanation of embodiment is merely used to help understand technical solution of the present invention and its core concept；Those skilled in the art
It is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technology
Feature is equivalently replaced；And these are modified or replaceed, the present invention that it does not separate the essence of the corresponding technical solution is each to be implemented
The range of the technical solution of example.
Claims (10)
1. a kind of black matrix", the black matrix" is made of a kind of resin combination, which is characterized in that the resin combination
Object includes spiropyran derivatives, the molecular structural formula of the spiropyran derivatives are as follows:
Wherein, the R are as follows:-CnH2n+1、-CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
2. black matrix" as described in claim 1, which is characterized in that the resin combination further include: binder resin, it is described
Mass percent 5~15% of the binder resin in the resin combination；Photoinitiator, the photoinitiator is in the resin
Mass percent 0.01~2% in composition；Polymerisable monomer, matter of the polymerisable monomer in the resin combination
Measure percentage 0.01~1%；Light screening material, mass percent 5~12% of the light screening material in the resin combination；
Auxiliary agent, mass percent 0~0.5% of the auxiliary agent in the resin combination；Solvent, the solvent is in the resin group
Close the mass percent 70~85% in object；Wherein mass percent of the spiropyran derivatives in the resin combination
1~5%.
3. black matrix" as claimed in claim 2, which is characterized in that the binder resin includes multiple functional radical acrylic compounds tree
Rouge, the functional group include at least one of unsaturated double-bond, epoxy group, hydroxyl, carboxyl.
4. black matrix" as claimed in claim 2, which is characterized in that the photoinitiator includes acetophenone compounds, miaow
At least one of azole compounds, Benzophenones compound, benzoin class compound, acylphosphine oxide derivative.
5. black matrix" as claimed in claim 2, which is characterized in that the polymerisable monomer includes having unsaturated double-bond knot
Styrene, acrylate or the methacrylate of structure.
6. black matrix" as claimed in claim 2, which is characterized in that the auxiliary agent includes attachment auxiliary agent and leveling auxiliary agent, institute
Stating attachment auxiliary agent includes silane coupling agent.
7. black matrix" as claimed in claim 2, which is characterized in that the solvent includes tetrahydrofuran, cyclohexanone, propylene glycol
Methyl ether acetate, ethyl acetate, butyl acetate, 3- methoxybutyl acetic acid esters, 3- ethoxyl ethyl propionate, propylene glycol monomethyl
Ethylhexoate, acetone, glycol dimethyl ether, diethylene glycol dimethyl ether, diethylene glycol dimethyl ether, butyl acetate
Glycol monoethyl ether, propylene glycol monomethyl ether, Isosorbide-5-Nitrae-dioxane, methyl ethyl ketone, methylisobutylketone, methanol, ethyl alcohol, propyl alcohol,
At least one of n-butanol, toluene, dimethylbenzene, ethylbenzene, dimethyl sulfoxide, dimethyl acetamide.
8. such as the described in any item black matrix"s of claim 1-7, which is characterized in that the composition material of the black matrix" includes
The constitutional isomer of spiropyran derivatives, the molecular structure of the constitutional isomer of the spiropyran derivatives are as follows:
Wherein, the R are as follows:-CnH2n+1、-CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
9. a kind of preparation method of black matrix" characterized by comprising
Binder resin, photoinitiator, polymerisable monomer, light screening material, spiropyran derivatives, auxiliary agent, solvent are provided；
By the binder resin, photoinitiator, polymerisable monomer, light screening material, spiropyran derivatives and auxiliary agent and the solvent
Mixing forms solution；
By the solution coating in substrate surface, thin film is formed；
The film is performed etching, forms black matrix", the composition material of the black matrix" includes spiropyran derivatives
Constitutional isomer, the molecular structure of the constitutional isomer of the spiropyran derivatives are as follows:
Wherein, the R are as follows:-CnH2n+1、-CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
10. a kind of display panel, which is characterized in that the display panel includes first substrate, opposite with the first substrate sets
The black matrix" close to the first substrate of the second substrate set and setting on the second substrate；
Wherein, the composition material of the black matrix" includes the constitutional isomer of spiropyran derivatives, the spiropyran derivatives
Constitutional isomer molecular structure are as follows:
Wherein, the R are as follows:-CnH2n+1、-CmH2mOH ,-Ar or-Ar-CHO, n value are that 1~20, m value is 1~3.
Priority Applications (2)
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| CN201910404619.1A CN110161742B (en) | 2019-05-16 | 2019-05-16 | Black matrix, preparation method thereof and display panel |
| PCT/CN2019/102517 WO2020228176A1 (en) | 2019-05-16 | 2019-08-26 | Black matrix, preparation method thereof, and display panel |
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| CN201910404619.1A CN110161742B (en) | 2019-05-16 | 2019-05-16 | Black matrix, preparation method thereof and display panel |
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| CN110161742B CN110161742B (en) | 2020-11-24 |
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| WO2020228176A1 (en) * | 2019-05-16 | 2020-11-19 | 深圳市华星光电技术有限公司 | Black matrix, preparation method thereof, and display panel |
| 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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| WO2020228176A1 (en) | 2020-11-19 |
| CN110161742B (en) | 2020-11-24 |
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