CN110484058A - Composition for ink - Google Patents
Composition for ink Download PDFInfo
- Publication number
- CN110484058A CN110484058A CN201910767010.0A CN201910767010A CN110484058A CN 110484058 A CN110484058 A CN 110484058A CN 201910767010 A CN201910767010 A CN 201910767010A CN 110484058 A CN110484058 A CN 110484058A
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- CN
- China
- Prior art keywords
- ink
- composition
- weight
- accounts
- elliposoidal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
Abstract
The present invention discloses a kind of composition for ink, it includes: a hole injection layer material accounts for the 0.1 to 30% of the composition for ink by weight；One organic solvent accounts for the 10 to 99.9% of the composition for ink by weight；One pattern regulator, includes several elliposoidal particles, and the pattern regulator accounts for the 0.5 to 10% of the composition for ink by weight；One surface tension modifier accounts for the 0.1 to 5% of the composition for ink by weight；And a viscosity-controlling agent, the 0.1 to 5% of the composition for ink is accounted for by weight.
Description
Technical field
The invention relates to a kind of composition for ink, can be used for ink jet printing in particular to one kind and form a hole
One composition for ink of implanted layer.
Background technique
The advantages that organic electroluminescent LED (OLED) is because of its high brightness, self-luminous, response are fast and low driving voltage,
The emerging technology of display field is had become, but since vacuum thermal evaporation preparation cost is high, limits its a wide range of commercialization.Spray
Ink printing has many advantages, such as that stock utilization is high, is the key technology for solving large scale OLED and showing cost problem, and the method is
Each functional layer material ink of OLED is instilled into scheduled pixel region using multiple nozzles, later by each needed for dry obtain
Kind organic functions layer film.
The thickness and pattern of organic functions layer film are most important to the OLED characteristics of luminescence.Especially in solution procedure for processing
In, the optimization of film morphology is more particularly important.In solution process, coffee is presented since capillary flow will lead to film
Coffee toroidal effect.Interaction, process temperatures and vacuum drying condition between the viscosity of ink, surface tension and substrate are all
The meeting film morphology final to the organic function layer has an impact.If for example, film climb along pixel dykes and dams it is higher (especially
Hole injection layer film), it will lead to and generate drain current path inside OLED device, reduce device lifetime；If film morphology is uniform
Property is poor, can also directly result in that uniformity of luminance is poor, and device efficiency and service life can have a greatly reduced quality.
Therefore, it is necessary to a kind of composition for ink is provided, to solve the problems of prior art.
Summary of the invention
The main purpose of the present invention is to provide a kind of composition for ink can effectively be pressed down using the elliposoidal particle of addition
Coffee ring effect processed, and the point (pining that climbs of the film surface and basal body interface for the hole injection layer after drying
Point) also there is certain pinning effect, can substantially reduce and climb a little, reduce drain current path.
In order to achieve the above object, one embodiment of the invention provides a kind of composition for ink, and it includes: a hole injection layer material
Material, accounts for the 0.1 to 30% of the composition for ink by weight；One organic solvent accounts for the composition for ink by weight
10 to 99.9%；One pattern regulator, includes several elliposoidal particles, and the pattern regulator accounts for the ink group by weight
Close the 0.5 to 10% of object；One surface tension modifier accounts for the 0.1 to 5% of the composition for ink by weight；And one is glutinous
Regulator is spent, accounts for the 0.1 to 5% of the composition for ink by weight.
In one embodiment of this invention, the organic solvent is an alcohols.
In one embodiment of this invention, the boiling point of the organic solvent is greater than 200 DEG C.
In one embodiment of this invention, the length-width ratio of the elliposoidal particle is greater than 1.2.
In one embodiment of this invention, the elliposoidal particle is conductive.
In one embodiment of this invention, the viscosity-controlling agent is in alcohols, ethers, esters, phenols and amine
It is one or more.
In one embodiment of this invention, the viscosity of the composition for ink is 1 to 10cps.
In one embodiment of this invention, the surface tension of the composition for ink is 30 to 40 dynes per centimeter (dyne/
cm)。
To reach above-mentioned purpose, another embodiment of the present invention provides a kind of composition for ink, and it includes hole injections
Layer material accounts for the 0.1 to 30% of the composition for ink by weight；One organic solvent accounts for the combination of inks by weight
The 10 to 99.9% of object；One pattern regulator, includes several elliposoidal particles, and the pattern regulator accounts for the ink by weight
The 0.5 to 10% of water composition；One surface tension modifier accounts for the 0.1 to 5% of the composition for ink by weight；And
One viscosity-controlling agent accounts for the 0.1 to 5% of the composition for ink by weight, wherein the elliposoidal particle is conductive, and
It is greater than 1.2 with a length-width ratio.
In one embodiment of this invention, the elliposoidal particle is a metallic or a metal oxide particle.
Specific embodiment
In order to which the above-mentioned and other purposes of the present invention, feature, advantage can be clearer and more comprehensible, hereafter by spy lift the present invention compared with
Good embodiment, is described in detail below.Furthermore singular " one " that the present invention is previously mentioned, "one" and it is " described " include multiple
Number reference, unless the context clearly determines otherwise.Numberical range (such as 10%~11% A) if without certain illustrated all include it is upper,
Lower limit value (i.e. 10%≤A≤11%)；If numberical range does not define lower limit value (as the B or 0.2% lower than 0.2% is below
B), then all refer to that its lower limit value may be 0 (i.e. 0%≤B≤0.2%).Above-mentioned term be to illustrate and understand the present invention, rather than
To limit the present invention.
One embodiment of the invention provides a kind of composition for ink, mainly includes a hole injection layer material, one organic
Solvent；One pattern regulator includes several elliposoidal particles；One surface tension modifier；An and viscosity-controlling agent.
Preferably, the hole injection layer material accounts for the 0.1 to 30% of the composition for ink by weight, can be for example
0.1,0.5,1.5,5.5,10,20 or 30%, it is so without being limited thereto.Hole injection layer (or hole transmission layer) material can be
Poly-phenylene vinylene (ppv), polythiophene, 4,4'- cyclohexyl two [N, N- bis- (4- aminomethyl phenyl) aniline] etc..
In one embodiment of this invention, the organic solvent is an alcohols, can be for example glycerine, ethylene glycol, butanol
Deng.Preferably, the boiling point of the organic solvent is greater than 200 DEG C but not higher than 300 DEG C, can be for example 200,250,275 or 300
℃.Preferably, the organic solvent accounts for the 10 to 99.9% of the composition for ink by weight, can be for example 10,20,30,
40,50,75,85 or 95%, it is so without being limited thereto.The organic solvent can be single organic compound, be also possible to a variety of have
The organic solvent system that solvent mixes.
Preferably, the pattern regulator accounts for the 0.5 to 10% of the composition for ink by weight, can be for example 0.5,
1.5,3.5,5.5,7.5 or 10%, it is so without being limited thereto.In one embodiment of this invention, the elliposoidal particle is for changing
It is apt to the film forming of the composition for ink, and then adjusts the composition for ink and form a hole injection layer (or hole transmission layer)
Surface topography later reduces the influence of coffee ring effect.Preferably, there is the elliposoidal particle length-width ratio to be greater than 1.2.
The signified length-width ratio is the length of upper and lower side and the wide ratio of left and right sides in the sphere of the elliposoidal particle herein,
Described in length perpendicular to one another with width.In one embodiment of this invention, the elliposoidal particle is conductive, can be for example metal
Particle or metal oxide particle can be gold particle, tungsten oxide or molybdenum oxide etc..
Preferably, the surface tension modifier accounts for the 0.1 to 5% of the composition for ink by weight, can be for example
0.1,0.5,1.0,2.5,3.5 or 5%, it is so without being limited thereto.The surface tension modifier can be imidazole and its derivants, benzene
At least one of phenol and hydroquinone can make the composition for ink meet the requirement of inkjet printing.
Preferably, viscosity-controlling agent accounts for the 0.1 to 5% of the composition for ink by weight, can be for example 0.1,0.5,
1.0,2.5,3.5 or 5%, it is so without being limited thereto.In one embodiment of this invention, the viscosity-controlling agent is alcohols, ethers, ester
One of class, phenols and amine are a variety of, can be for example propyl acetate, espeleton, triethanolamine or diethanol amine, can
The composition for ink is set to meet the requirement of inkjet printing.
Pass through the selection of proportion, it is preferred that the viscosity of the composition for ink is 1 to 10cps.In an implementation of the invention
In example, the surface tension of the composition for ink is 30 to 40 dynes per centimeters (dyne/cm).
The preparation method of the composition for ink of the invention can be for example using the following steps:
Step S1: one hole injection layer material and several elliposoidal particles are placed in an organic solvent according to preset proportion
In, it is then stirred or vibrates, obtain the mixed solution for being dispersed with the elliposoidal particle；And
Step S2: during churning, being added a viscosity-controlling agent and a surface tension modifier according to preset proportion, with
Obtain the composition for ink.
It is above-mentioned that be used to the step of preparing the composition for ink be only an example rather than unique method.
Compared to the prior art, the composition for ink of the invention is that one kind can form one by inkjet printing mode
The composition for ink of hole transmission layer (or hole injection layer) uses conducting prolate spheroid shape particle as additive, while with
The mixing such as solvent, viscosity-controlling agent, surface tension modifier, and by adjusting each component ratio, can be had after the drying
The hole injection layer film of excellent properties.This ink can be using the interparticle attraction between the conducting prolate spheroid shape particle, effectively
Inhibit coffee ring effect, obtains the film morphology of high uniformity.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only to implement example of the invention.
It must be noted that, it has been disclosed that embodiment be not limiting as the scope of the present invention.On the contrary, being contained in the spirit of claims
And range modification and impartial setting be included in the scope of the present invention.
Claims (10)
1. a kind of composition for ink, it is characterised in that: the composition for ink includes:
One hole injection layer material accounts for the 0.1 to 30% of the composition for ink by weight；
One organic solvent accounts for the 10 to 99.9% of the composition for ink by weight；
One pattern regulator, includes several elliposoidal particles, and the pattern regulator accounts for the composition for ink by weight
0.5 to 10%；
One surface tension modifier accounts for the 0.1 to 5% of the composition for ink by weight；And
One viscosity-controlling agent accounts for the 0.1 to 5% of the composition for ink by weight.
2. composition for ink as described in claim 1, it is characterised in that: the organic solvent is an alcohols.
3. composition for ink as described in claim 1, it is characterised in that: the boiling point of the organic solvent is greater than 200 DEG C.
4. composition for ink as described in claim 1, it is characterised in that: the length-width ratio of the elliposoidal particle is greater than 1.2.
5. composition for ink as described in claim 1, it is characterised in that: the elliposoidal particle is conductive.
6. composition for ink as described in claim 1, it is characterised in that: the viscosity-controlling agent be alcohols, ethers, esters,
One of phenols and amine are a variety of.
7. composition for ink as described in claim 1, it is characterised in that: the viscosity of the composition for ink is 1 to 10cps.
8. composition for ink as described in claim 1, it is characterised in that: the surface tension of the composition for ink is 30 to 40
Dynes per centimeter.
9. a kind of composition for ink, it is characterised in that: the composition for ink includes:
One hole injection layer material accounts for the 0.1 to 30% of the composition for ink by weight；
One organic solvent accounts for the 10 to 99.9% of the composition for ink by weight；
One pattern regulator, includes several elliposoidal particles, and the pattern regulator accounts for the composition for ink by weight
0.5 to 10%；
One surface tension modifier accounts for the 0.1 to 5% of the composition for ink by weight；And
One viscosity-controlling agent accounts for the 0.1 to 5% of the composition for ink by weight,
Wherein the elliposoidal particle is conductive, and there is a length-width ratio to be greater than 1.2.
10. composition for ink as described in claim 1, it is characterised in that: the elliposoidal particle is a metallic or one
Metal oxide particle.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910767010.0A CN110484058A (en) | 2019-08-20 | 2019-08-20 | Composition for ink |
| PCT/CN2019/104665 WO2021031247A1 (en) | 2019-08-20 | 2019-09-06 | Ink composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910767010.0A CN110484058A (en) | 2019-08-20 | 2019-08-20 | Composition for ink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110484058A true CN110484058A (en) | 2019-11-22 |
Family
ID=68552205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910767010.0A Pending CN110484058A (en) | 2019-08-20 | 2019-08-20 | Composition for ink |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110484058A (en) |
| WO (1) | WO2021031247A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040514A (en) * | 2019-12-06 | 2020-04-21 | 深圳市华星光电半导体显示技术有限公司 | Quantum dot ink, display panel manufacturing method and display panel |
| CN113492607A (en) * | 2020-04-08 | 2021-10-12 | 陈学仕 | Manufacturing method of inkjet printing packaging type quantum dot, light conversion unit and display panel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103766A (en) * | 2014-06-27 | 2014-10-15 | 京东方科技集团股份有限公司 | Organic light-emitting diode, array substrate and fabrication method thereof and display device |
| CN105802345A (en) * | 2014-12-30 | 2016-07-27 | 深圳Tcl工业研究院有限公司 | Nano-metal conductive printing ink and its preparation method and printed circuit board |
| CN109735167A (en) * | 2019-01-08 | 2019-05-10 | 京东方科技集团股份有限公司 | A kind of hole injection layer ink, organic electroluminescence device and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101314877B1 (en) * | 2005-02-10 | 2013-10-04 | 플렉스트로닉스, 인크 | Hole Injection/Transport Layer Compositions and Devices |
| CN107474632A (en) * | 2017-08-25 | 2017-12-15 | 深圳市华星光电半导体显示技术有限公司 | Inkjet printing perovskite ink and preparation method thereof |
| CN109370309A (en) * | 2017-09-22 | 2019-02-22 | 苏州星烁纳米科技有限公司 | Composition for ink and electroluminescent device |
| CN109651882B (en) * | 2018-12-24 | 2022-03-04 | 郑州大学 | Hole injection layer ink for ink-jet printing and application thereof in organic light-emitting display |
-
2019
- 2019-08-20 CN CN201910767010.0A patent/CN110484058A/en active Pending
- 2019-09-06 WO PCT/CN2019/104665 patent/WO2021031247A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103766A (en) * | 2014-06-27 | 2014-10-15 | 京东方科技集团股份有限公司 | Organic light-emitting diode, array substrate and fabrication method thereof and display device |
| CN105802345A (en) * | 2014-12-30 | 2016-07-27 | 深圳Tcl工业研究院有限公司 | Nano-metal conductive printing ink and its preparation method and printed circuit board |
| CN109735167A (en) * | 2019-01-08 | 2019-05-10 | 京东方科技集团股份有限公司 | A kind of hole injection layer ink, organic electroluminescence device and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040514A (en) * | 2019-12-06 | 2020-04-21 | 深圳市华星光电半导体显示技术有限公司 | Quantum dot ink, display panel manufacturing method and display panel |
| WO2021109246A1 (en) * | 2019-12-06 | 2021-06-10 | 深圳市华星光电半导体显示技术有限公司 | Quantum dot ink, display panel manufacturing method and display panel |
| CN113492607A (en) * | 2020-04-08 | 2021-10-12 | 陈学仕 | Manufacturing method of inkjet printing packaging type quantum dot, light conversion unit and display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021031247A1 (en) | 2021-02-25 |
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Application publication date: 20191122 |
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