CN110240829A - A kind of thin-film package ink - Google Patents
A kind of thin-film package ink Download PDFInfo
- Publication number
- CN110240829A CN110240829A CN201910485930.3A CN201910485930A CN110240829A CN 110240829 A CN110240829 A CN 110240829A CN 201910485930 A CN201910485930 A CN 201910485930A CN 110240829 A CN110240829 A CN 110240829A
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- Prior art keywords
- thin
- film package
- package ink
- film
- resin
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Classifications
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- 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
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
-
- 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
- C09D11/50—Sympathetic, colour changing or similar inks
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Packages (AREA)
Abstract
The invention discloses a kind of thin-film package ink, which includes light diffusing agent, monomer, resin, initiator and solvent, and by weight percentage, light diffusing agent accounts for 0.1~2wt% of thin-film package ink.The thin-film package ink of the application can realize light diffusion function while obstructing steam and oxygen.
Description
Technical field
The application belongs to field of nanometer material technology, in particular to a kind of thin-film package ink.
Background technique
Quantum dot has unique excellent optical property, can be widely applied to the fields such as display, illumination.By quantum dot material
Material is used for display field, can be obviously improved the colour gamut of display.
Quanta point material is usually formulated as quantum dot ink, forms quantum dot by modes such as printing, transfer, spin coatings
Film.But quanta point material is easy to be influenced by oxygen, steam and other factors in external environment, leads to its stability
It is poor, it is unable to satisfy the requirement of display, lighting area to quantum dot membrane stability.The prior art encapsulates inorganic on quantum dot film
And organic film, prevent steam and oxygen from penetrating on quantum dot film, to improve the stability of quantum dot film.However, this
Packaging film will affect the light extraction efficiency of quantum dot film, limit the application of quantum dot film.
Summary of the invention
In view of the above technical problems, the application provides a kind of thin-film package ink, which can encapsulate hair
Light film or luminescent device, especially quantum dot film, and light diffusion function is realized simultaneously.
This application provides a kind of thin-film package ink, including monomer, resin, initiator and solvent, thin-film package ink
It further include light diffusing agent in water, the light diffusing agent is dispersed in the thin-film package ink.
Preferably, by weight percentage, the light diffusing agent accounts for the 0.1~2% of thin-film package ink.
Preferably, the light diffusing agent is inorganic light diffusing agent, and the inorganic light diffusing agent includes nano-titanium oxide, nanometer
Aluminium oxide, nano barium sulfate, nanometer calcium carbonate, nano zircite, at least one of nano silica.
Preferably, by weight percentage, the monomer accounts for the 15~30% of the thin-film package ink, and the resin accounts for this
The 15~30% of thin-film package ink, the initiator account for the 0.1~10% of the thin-film package ink, and the solvent accounts for the film
Encapsulate the 50~65% of ink.
Preferably, the boiling point of the resin and the monomer is greater than 300 DEG C, and the boiling point of the solvent is less than 250 DEG C.
Preferably, the resin includes acrylic resin, epoxy resin, polyurethane, styrene resin, polyolefin resin,
At least one of polyoxyalkylene resin.
It preferably, further include low polymer in the thin-film package ink, the boiling point of the low polymer is greater than 300 DEG C.
Preferably, the low polymer includes polyethylene glycol acrylate and its derivative, triethylene glycol diacrylate
And its derivative, triethyleneglycol acrylate and its derivative, diethylene glycol diacrylate and its derivative, diethylene glycol third
Olefin(e) acid ester and its derivative, at least one of alkyl methacrylate and its derivative.
It preferably, further include volatile monomers in the thin-film package ink, the boiling point of the volatile monomers is less than 250
℃。
It preferably, further include crosslinking agent in the thin-film package ink.
The application is by being added light diffusing agent in thin-film package ink, so that packaging film has light diffusion function, and
And light diffusing agent is dispersed in packaging film, further improve the ability of packaging film barrier steam and oxygen.Meanwhile
Light diffusing agent is incorporated in packaging film, but also light diffusing agent is dispersed and protected well.
Specific embodiment
Below in conjunction with the application embodiment, technical solutions in the embodiments of the present application is described in detail.It answers
It is noted that described embodiment is only a part of embodiment of the application, rather than whole embodiments.
In order to protect quantum dot film from the influence of water oxygen in external environment and other factors, the prior art will be organic thin
Film encapsulation ink jet is printed upon on quantum dot film and is formed by curing packaging film, with blocking oxygen and steam, improves quantum dot
The stability of film.
Certainly, thin-film package ink is not limited to the application of inkjet printing technology, can also pass through the modes such as transfer, spin coating
Packaging film is formed on quantum dot film.The thin-film package ink of the application is not limited with application apparatus and application mode.For example,
Organic film encapsulates ink can also be after first film-forming, then is adhered on quantum dot film by the modes such as being bonded or imprinting.
This application discloses a kind of thin-film package ink with light diffusion function.The thin-film package ink includes monomer,
Resin, initiator and solvent further include light diffusing agent, and the light diffusing agent is dispersed in the thin-film package ink.By weight hundred
Divide than meter, the light diffusing agent accounts for the 0.1~2% of thin-film package ink.
In a specific embodiment of the invention, the light diffusing agent is inorganic light diffusing agent, the inorganic light diffusing agent packet
Include nano-titanium oxide, nano aluminium oxide, nano barium sulfate, nanometer calcium carbonate, nano zircite, in nano silica at least
It is a kind of.
The application is by being added light diffusing agent in thin-film package ink, so that there is packaging film light to spread function
Can, and light diffusing agent is dispersed in packaging film, further improves the ability of packaging film barrier steam and oxygen.And incite somebody to action
Light diffusing agent is incorporated in packaging film, but also light diffusing agent is dispersed and protected well.
In addition, current thin film encapsulates ink in solidification process, since inkjet printing needs the regular hour, so that successively
The ink cured degree of inkjet printing is different, and the solidification process of film is uncontrollable, so as to cause the packaging film eventually formed
It is in uneven thickness, affect its overall structure and its optical property.
In a specific embodiment of the invention, a kind of thin-film package ink is also disclosed, which includes light
Diffusant, monomer, resin, initiator and solvent, wherein by weight percentage, light diffusing agent accounts for the 0.1 of thin-film package ink
~2wt%, monomer account for 15~30wt% of thin-film package ink, and resin accounts for 15~30wt% of thin-film package ink, initiator
0.1~10wt% of thin-film package ink is accounted for, solvent accounts for 50~65wt% of thin-film package ink, wherein the resin and institute
The boiling point for stating monomer is greater than 300 DEG C, and the boiling point of the solvent is less than 250 DEG C.
The thin-film package ink of the application includes that volatile component of the boiling point less than 250 DEG C and boiling point are greater than 300 DEG C
Nonvolatile element, and make volatile component and nonvolatile element boiling point difference be greater than 50 DEG C, it is thus achieved that compared with
Volatile component vapors away in short time and nonvolatile element block can remain very much, thus the thin-film package of front and back printing
For ink in film forming, the thickness of film will not differ too big, convenient for the control of thin-film package ink film forming procedure.That is, the application
Thin-film package ink after inkjet printing is complete, can film-forming in a short time be formed by thinner package and after this
The thickness of film will not change too much, and the thickness change of film forming is small, keep stablizing.The packaging film that front and back prints as a result,
Thickness is essentially identical, does not have too big fluctuation, thus the monitoring for packaging film print procedure of being more convenient for, and finally formed
The thickness of packaging film is relatively uniform, and homogeneity is high.
On the contrary, the component for needing to vapor away such as solvent is waved if the component boiling point difference in thin-film package ink is closer
Hair property monomer etc., the component, such as resin, non-volatile monomeric etc. that cannot be vapored away in the short time, and need to remain, again
It cannot be deposited in short time, this will make the thickness of the packaging film of inkjet printing show over time not
Stack pile is not easy to the monitoring of packaging film print procedure very much.And respectively not due to the thickness of the packaging film of front and back printing
Identical, the thickness of finally formed packaging film can be very uneven, influences the overall structure and optical property of packaging film.
In brief, the volatility of current thin film encapsulation ink is difficult to control, and the thickness to form a film in print procedure cannot be protected
It is fixed to keep steady.And the thin-film package ink of the application volatility within one section of unit time is controllable, the film shrinkage of ink is able to maintain
Unanimously, to ensure that the homogeneity finally to form a film.
In the application, contain light diffusing agent in the thin-film package ink, so that packaging film has light diffusion function.
It should be noted that the light diffusing agent is distributed in packaging film, can not obscure with the light diffusing agent in quantum dot film.In addition,
Containing also not conflicting in light diffusing agent and quantum dot film containing light diffusing agent in the packaging film, the two can also be simultaneous total.Contain
The packaging film is especially attached on quantum stippling film (CF) by the packaging film of light diffusing agent when being applied to display field
Afterwards, the visible angle of display can be made to be greater than 135%, the high colour gamut feature of incorporating quantum stippling film, display is shown
Show that effect is significantly improved.
In addition, the light diffusing agent in thin-film package ink is inorganic light diffusing agent.Since inorganic light diffusing agent is than organic light
Diffusant more blocks water oxygen, by adding inorganic light diffusing agent in the ink, can be further improved packaging film barrier water
The ability of vapour and oxygen.Also, it disperses the inorganic light diffusing agent in packaging film, by the fixation of packaging film, also makes
Inorganic light diffusing agent is obtained to be dispersed and protected well.
In the specific embodiment of the application, the inorganic light diffusing agent in thin-film package ink may be selected to be nano oxidized
Titanium, nano aluminium oxide, nano barium sulfate, nanometer calcium carbonate, nano zircite, or, nano silica etc..
In the specific embodiment of the application, thin-film package ink causes in addition to containing light diffusing agent, monomer, resin
Except agent and solvent, also contain low polymer, the boiling point of the low polymer is greater than 300 DEG C.By adding in thin-film package ink
Enter low polymer, the inconsistent problem of film shrinkage when can be further reduced ink dried film forming further increases ink
Homogeneity when film forming.It should be noted that it has been generally acknowledged that more than dimerization, molecular weight 104Low polymer (oligomerisation is all cried below
Object).Such as dimer (dimer), tripolymer (trimer), the tetramer (tetramer).Low polymer includes polyethylene glycol third
Olefin(e) acid ester and its derivative, triethylene glycol diacrylate and its derivative, triethyleneglycol acrylate and its derivative, diethyl
Omega-diol diacrylate and its derivative, diethylene glycol acrylate and its derivative, alkyl methacrylate and its derivative
At least one of object.
In the specific embodiment of the application, thin-film package ink contains light diffusing agent, monomer, resin, initiator and
Solvent, the solvent may be selected to be butyl glycol ether, dimethyl-imidazolinone, 2-Butoxyethyl acetate, diethylene glycol list first
Ether, butyl, diethylene glycol ether, at least one of diethylene glycol ethylmethyl ether.
In the specific embodiment of the application, thin-film package ink causes in addition to containing light diffusing agent, monomer, resin
Agent and solvent, also contain volatile monomers, and the boiling point of the volatile monomers is less than 250 DEG C.For example, the volatile monomers may be selected
For 2-Propenoic acid, 2-methyl-, octyl ester, decyl-octyl methacrylate, 4- hydroxy butyl vinyl ether, hydroxy-ethyl acrylate, methacrylic acid hydroxypropyl
Ester, Isooctyl acrylate monomer, hydroxypropyl acrylate, at least one of hydroxy propyl methacrylate.
In the specific embodiment of the application, thin-film package ink causes in addition to containing light diffusing agent, monomer, resin
Agent and solvent further include crosslinking agent.For example, the crosslinking agent may be selected to be trimethylolpropane trimethacrylate, pentaerythrite three
Acrylate, pentaerythritol tetraacrylate, Dipentaerythritol Pentaacrylate, in six pentaerythrites, six acrylate at least
It is a kind of.
In the specific embodiment of the application, thin-film package ink contains light diffusing agent, monomer, resin, initiator and
Solvent.The boiling point of the monomer and the resin is both greater than 300 DEG C.For example, the resin may be selected to be acrylic resin, epoxy resin,
Styrene resin, polyolefin resin, polyoxyalkylene resin or their mixture.For example, the monomer may be selected to be acrylic acid
Isobornyl thiocyanoacetate monomer (IBOA), isobornyl methacrylate (IBOMA), trimethylolpropane trimethacrylate (TMPTA), two
Contracting tripropylene glycol diacrylate (TPGDA) etc..
It should be noted that containing initiator in the application thin-film package ink, which can be photoinitiator
It can be thermal initiator, both may be used.For example, the initiator is photoinitiator, which is TPO (2,4,6- trimethyls
Benzoyl-diphenyl phosphine oxide).
In the specific embodiment of the application, thin-film package ink contains light diffusing agent, monomer, resin, initiator and
Solvent.Wherein, by weight percentage, light diffusing agent accounts for the 1wt% of thin-film package ink, and monomer accounts for thin-film package ink
20wt%, resin account for the 15wt% of thin-film package ink, and initiator accounts for the 4wt% of thin-film package ink, and solvent accounts for thin-film package
The 60wt% of ink, wherein the boiling point of the resin and the monomer is greater than 300 DEG C, and the boiling point of the solvent is less than 250 DEG C.
In the specific embodiment of the application, thin-film package ink contains light diffusing agent, monomer, resin, initiator and
Solvent.Wherein, by weight percentage, light diffusing agent accounts for the 1wt% of thin-film package ink, and monomer accounts for thin-film package ink
25wt%, resin account for the 15wt% of thin-film package ink, and initiator accounts for the 4wt% of thin-film package ink, and solvent accounts for thin-film package
The 55wt% of ink, wherein the boiling point of the resin and the monomer is greater than 300 DEG C, and the boiling point of the solvent is less than 250 DEG C.
In the specific embodiment of the application, thin-film package ink includes light diffusing agent, monomer, resin, initiator and
Solvent.Wherein, by weight percentage, light diffusing agent accounts for the 2wt% of thin-film package ink, and monomer accounts for thin-film package ink
25wt%, resin account for the 20wt% of thin-film package ink, and initiator accounts for the 3wt% of thin-film package ink, and solvent accounts for thin-film package
The 50wt% of ink, wherein the boiling point of the resin and the monomer is greater than 300 DEG C, and the boiling point of the solvent is less than 250 DEG C.
In addition, it is necessary to explanation, the component of the application thin-film package ink can also be with the quantum of wanted barrier protection
The ingredient of point film is close, i.e. the gel component of quantum dot film and the component of packaging film is identical or close, thus the envelope of being more convenient for
Dress film fits with quantum dot film.Certainly, can also have inorganic encapsulated film between packaging film and quantum dot film, with
Further increase the ability for the oxygen that blocks water.
To sum up, being waved in thin-film package ink in the application comprising easy volatile solvent and difficult vaporized monomers and resin
Less than 250 DEG C, the boiling point of non-volatile resin, monomer and low polymer is greater than for the solvent of hair property and the boiling point of volatile monomers
300 DEG C, thus, it is possible to realize that volatile component is enabled to vapor away and nonvolatile element very block guarantor within many short time
It stays, so that the thickness of film will not differ too big when the ink film forming of front and back printing, is convenient for thin-film package ink film forming procedure
Control.
Also, by the way that light diffusing agent is added in thin-film package ink, it can make packaging film that there is light diffusion function,
And the light diffusing agent is dispersed in packaging film, further improves the ability of packaging film barrier steam and oxygen.
Although inventor has done more detailed elaboration to the technical solution of the application and has enumerated, it should be understood that for
For those skilled in the art, above-described embodiment is modified and/or the flexible or equivalent alternative solution of use is obvious
, cannot all be detached from the essence of the application spirit, the term occurred in the application be used for elaboration to technical scheme and
Understand, the limitation to the application can not be constituted.
Claims (10)
1. a kind of thin-film package ink, including monomer, resin, initiator and solvent, which is characterized in that the thin-film package ink
In further include light diffusing agent, the light diffusing agent is dispersed in the thin-film package ink.
2. thin-film package ink according to claim 1, which is characterized in that by weight percentage, the light diffusing agent
Account for the 0.1~2% of thin-film package ink.
3. thin-film package ink according to claim 1, which is characterized in that the light diffusing agent is inorganic light diffusing agent,
The inorganic light diffusing agent includes nano-titanium oxide, nano aluminium oxide, nano barium sulfate, nanometer calcium carbonate, and nano zircite is received
At least one of rice silica.
4. thin-film package ink according to claim 1, which is characterized in that by weight percentage,
The monomer accounts for the 15~30% of the thin-film package ink, and the resin accounts for the 15~30% of the thin-film package ink, institute
Initiator accounts for the thin-film package ink 0.1~10% is stated, the solvent accounts for the 50~65% of the thin-film package ink.
5. thin-film package ink according to claim 1, which is characterized in that the boiling point of the resin and the monomer is greater than
300 DEG C, the boiling point of the solvent is less than 250 DEG C.
6. thin-film package ink according to claim 1, which is characterized in that the resin includes acrylic resin, epoxy
Resin, polyurethane resin, styrene resin, polyolefin resin, at least one of polyoxyalkylene resin.
7. thin-film package ink according to claim 1, which is characterized in that further include oligomeric in the thin-film package ink
Object is closed, the boiling point of the low polymer is greater than 300 DEG C.
8. thin-film package ink according to claim 7, which is characterized in that the low polymer includes polyethylene glycol propylene
Acid esters and its derivative, triethylene glycol diacrylate and its derivative, triethyleneglycol acrylate and its derivative, diethyl two
Alcohol diacrylate and its derivative, diethylene glycol acrylate and its derivative, alkyl methacrylate and its derivative
At least one of.
9. thin-film package ink according to claim 1, which is characterized in that further include volatilization in the thin-film package ink
Property monomer, the boiling point of the volatile monomers is less than 250 DEG C.
10. thin-film package ink according to claim 1, which is characterized in that further include handing in the thin-film package ink
Join agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485930.3A CN110240829A (en) | 2019-06-05 | 2019-06-05 | A kind of thin-film package ink |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485930.3A CN110240829A (en) | 2019-06-05 | 2019-06-05 | A kind of thin-film package ink |
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| CN110240829A true CN110240829A (en) | 2019-09-17 |
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| CN201910485930.3A Pending CN110240829A (en) | 2019-06-05 | 2019-06-05 | A kind of thin-film package ink |
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| CN103996799A (en) * | 2013-02-14 | 2014-08-20 | 三星显示有限公司 | Organic electroluminescent device having thin film encapsulation structure and method of fabricating the same |
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| CN102057750A (en) * | 2008-04-09 | 2011-05-11 | 新加坡科技研究局 | Multilayer film for encapsulating oxygen and/or moisture sensitive electronic devices |
| CN102088048A (en) * | 2010-12-21 | 2011-06-08 | 杭州杭科光电有限公司 | Packaging technology of light-emitting diodes |
| CN103996799A (en) * | 2013-02-14 | 2014-08-20 | 三星显示有限公司 | Organic electroluminescent device having thin film encapsulation structure and method of fabricating the same |
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