CN107312522A - A kind of high stability quantum dot fluorescence membrane preparation method - Google Patents
A kind of high stability quantum dot fluorescence membrane preparation method Download PDFInfo
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- CN107312522A CN107312522A CN201710547729.4A CN201710547729A CN107312522A CN 107312522 A CN107312522 A CN 107312522A CN 201710547729 A CN201710547729 A CN 201710547729A CN 107312522 A CN107312522 A CN 107312522A
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- quantum dot
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- colloid
- quanta point
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/70—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing phosphorus
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
- C09K11/883—Chalcogenides with zinc or cadmium
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Abstract
The invention provides a kind of high stability quantum dot fluorescence membrane preparation method.Using UV glue as matrix continuous phase, by compound with quanta point material so that composite colloid has good optical conversion performance.The composite colloid is made up of UV glue, red quantum dot material, green quanta point material, filler particles, processing aid, by technological processes such as the preparation of composite colloid, film coated, curing molding, the pressings of gluing overlay film, prepares quantum dot fluorescence film.Excited by blue-light source, optical conversion can be carried out, and form white light.Resulting white light chromaticity coordinates is（X=0.23 0.38, y=0.23 0.37）, with higher stability and longer service life.On the premise of chromaticity coordinates is close, colour gamut is essentially identical to be all up 100%NTSC, and the scheme that the present invention is provided can significantly reduce quantum dot consumption.
Description
Technical field
The present invention relates to a kind of preparation method of quantum dot fluorescence film.
Background technology
Lcd technology is existing main flow Display Technique, occupies more than 90% market, and traditional liquid crystal shows and deposited
Not enough in color representation power, the weak point such as excitation is relatively low can lift the color of liquid crystal display using quantum dot Display Technique
Domain index, can make it have fuller color representation power.Blue-ray LED and QDEF combination are special with possessing steady wavelength originally
The white light LEDs of property are compared, and can be produced the RGB light source for possessing sharp peaks, can effectively be lifted LCD color saturation.
Compared with traditional high colour gamut technology, technology of quantum dots can improve LCD colour gamut in the case where not increasing CF thickness
30%, it on the other hand can also increase backlight illumination, save energy consumption.
Quanta point material is easily influenceed by materials such as high temperature, water oxygens and declines optical property.And by quantum dot and glue
Body mixing film exists in the form of diaphragm, not only avoid hot environment, and can further protection quanta point material,
Stability is improved, but quantum dot Cost Problems turn into the major issue for restricting its development.Although having there is correlative study report
Quantum dot stability, such as patent No. application number：201410809497.1, it is entitled《A kind of long-life quantum dot fluorescence is combined
Film and preparation method thereof》, and number of patent application：201510743119.2 it is entitled《Quantum dot epoxy resin composite colloid and glimmering
Light membrane preparation method》, but former approach result is complicated, is unfavorable for production application, later approach be quantum dot consumption it is many,
High expensive.And this patent provide scheme on the premise of chromaticity coordinates is close, colour gamut is essentially identical and is all up to 100%
NTSC, can significantly reduce quantum dot consumption.
The content of the invention
For above-mentioned problems of the prior art, the invention provides a kind of amount for being used to prepare quantum dot fluorescent film
The preparation method of son point composite colloid and quantum dot fluorescence film, this method prepares quantum dot fluorescence film with higher stabilization
Property and longer service life.On the premise of chromaticity coordinates is close, colour gamut is essentially identical to be all up 100%NTSC, it is possible to bright
Quantum dot consumption is reduced aobviously.
To reach above-mentioned purpose, present invention employs following technical scheme：
It is a kind of to be used to preparing the quantum dot composite colloid of high stability quantum dot fluorescence film, quantum dot composite colloid by UV colloids,
Constituted after red quantum dot material, green quanta point material and filler particles mixing, the quality group of each component turns into：
UV colloid 80-95 wt%；
Red quantum dot material 0.06-0.6 wt%；
Green quanta point material 0.3-4 wt%；
Filler particles 0.5-18 wt%.
The UV colloids are urethane acrylate, lauryl acrylate, methacrylate, isobomyl acrylate
One or more mixtures in ester, epoxy novolac acrylic resin.
The red quantum dot material refers to the quanta point material that launch wavelength is 600-660nm, includes but is not limited to
CdSe、CdTe、CdSexTe1-x、InP、InPxAs1-x、 CuInS2, or more state material be core core shell structure coating modification
Material.
The green quanta point material refers to the quanta point material that launch wavelength is 500-560nm, includes but is not limited to
CdxZn1-xSe、CdxZn1-xTe、CdSexS1-x, InP, or more state material be core core shell structure coating modification material.
The filler particles are SiO2、CaCO3Or ZnO micro-nano granules or powder.
A kind of high stability quantum dot fluorescence membrane preparation method, film coated, Ran Hougu are carried out by quantum dot composite colloid
Chemical conversion type, finally carries out being made after gluing overlay film pressing, and the quantum dot composite colloid is by UV glue, red quantum dot material, green
Constituted after color quanta point material and filler particles mixing, the quality group of each component turns into：
UV colloid 80-95 wt%；
Red quantum dot material 0.06-0.6 wt%；
Green quanta point material 0.3-4 wt%；
Filler particles 0.5-18 wt%.
Film coated refers to the coating quantum dot compound adhesive in PET base material, and the thickness of quantum dot composite colloid is micro- less than 10
Rice, gluing overlay film pressing refers to the coated glue layer in other a piece of PET base material, then by two panels PET base material to being pressed together on one
Rise.
Curing molding is molded using heat cure.
Quantum dot composite colloid hybrid mode is using ultrasonic mechanical agitation or vacuum defoamation stirring mixing.
Quantum dot composite colloid film coated uses slit, comma or nick coating method.
The technique effect that the present invention has：
It is using quantum dot UV composite colloids as main system the invention provides a kind of high stability quantum dot fluorescence membrane preparation method
For the quantum dot fluorescence film gone out, excited by blue-light source, optical conversion can be carried out, and form white light, white light chromaticity coordinates is（x=
0.23 ~ 0.38, y=0.23 ~ 0.37）, with higher stability and longer service life.On the premise of chromaticity coordinates is close,
Colour gamut is essentially identical to be all up 100%NTSC, and the scheme that this patent is provided can significantly reduce quantum dot consumption.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of quantum dot fluorescence film of the present invention；
Fig. 2 is quantum dot fluorescence film backlight module gamut area figure of the present invention.
Embodiment
The invention will be further described with embodiment for explanation below in conjunction with the accompanying drawings：
The invention provides a kind of high stability quantum dot fluorescence membrane preparation method, quantum dot composite colloid is subjected to film painting
Cloth, then curing molding, finally carries out being made after gluing overlay film pressing, the quantum dot composite colloid is by UV glue, red quantum
Constituted after point material, green quanta point material and filler particles mixing, the quality group of each component turns into：
UV colloid 80-95 wt%；
Red quantum dot material 0.06-0.6 wt%；
Green quanta point material 0.3-4 wt%；
Filler particles 0.5-18 wt%.
Quantum dot UV composite colloids have good optical conversion performance, are excited by blue-light source, can carry out optics and turn
Change, and form white light.As one preferably, the excitation wavelength of blue-light source is 440-460nm.
Wherein, the UV colloids can be urethane acrylate, lauryl acrylate, methacrylate, acrylic acid
One or more mixtures in isobornyl thiocyanoacetate, epoxy novolac acrylic resin.
Wherein described red quantum dot material refers to the quanta point material that launch wavelength is 600-660nm, including but not only
It is limited to CdSe, CdTe, CdSexTe1-x, InP, InPxAs1-x, CuInS2Deng, or more state material be core core shell structure coat
It is material modified, such as CdSe/CdS, CdTe/CdS, CdTe/CdS/ZnS, CuInS2/ ZnS, CdSe/CdS/ZnS etc..
As one preferably, the launch wavelength of red quantum dot material is 620-640nm.
Wherein described amount of green color point material refers to the quanta point material that launch wavelength is 500-560nm, including but not only
It is limited to CdxZn1-xSe, CdxZn1-xTe, CdSexS1-x, InP etc., or more state the core shell structure coating modification material that material is core
Material, such as CdSe/ZnS, CdxZn1-xSe/ZnS/ZnO, CdTe/ZnS, InP/ZnS, CdSe/ZnS/ZnO etc..
As one preferably, the launch wavelength of green quanta point material is 520-540nm.
Wherein described filler particles are micro-nano granules or the powder such as SiO2, ZnO, CaCO3, can pass through surface treatment（Such as
Surface modification, coupling agent treatment etc.）To strengthen intermiscibility between filler particles and UV matrix bodies.
Wherein quantum dot UV composite colloids hybrid mode is to use a kind of following hybrid mode：Ultrasonic mechanical agitation, vacuum
Deaeration is stirred.
Meanwhile, a kind of high stability quantum dot fluorescence film, it is characterised in that carry out the quantum dot UV composite colloids thin
Film is coated with, then curing molding, finally carries out gluing overlay film pressing.
Wherein quantum dot UV composite colloids film mode is to use a kind of following mode：Slot coated, comma coating, it is micro-
Recessed coating.
Wherein the film coated of quantum dot UV composite colloids, can control quantum dispensing layer thickness of thin to several microns.
Wherein the curing molding of quantum dot fluorescence film is molded for heat cure.
Embodiment
High stability quantum dot fluorescence film is prepared, is comprised the following steps：
1）Prepare quantum dot UV composite colloids, according to the form below formulation components consumption：
2）Said components are uniformly mixed with vacuum defoamation mixer；
3）The mode being coated with using comma is film-made in PET base material, and thickness is about 5um, and passes through 120 DEG C of heating 10min solidifications
Shaping；
4）One layer of water proof oxygen barrier glue-line will be applied in PET base material, is covered with the quantum dot film that is cured molded, quantum dot fluorescence is obtained
Film product.
The structure being made is as shown in figure 1, wherein 1 is PET base material, and 2 be glue-line, and 3 be quantum dot UV composite colloids.
Quantum dot fluorescence film as more than prepared by formula, is excited, resulting white light chromaticity coordinates is respectively by blue light
（X=0.281, y=0.302）,（X=0.289, y=0.312）,（X=0.336, y=0.368）,（X=0.318, y=0.364）, use
It is the liquid crystal module that backlight is prepared with good color representation power.
It will be recognized by those skilled in the art, can be to above-mentioned on the premise of without departing from protection scope of the present invention
Embodiment carries out various modifications, change and combined, and thinks that this modification, change and combination are the models in originality thought
Within enclosing.
Claims (10)
1. a kind of quantum dot composite colloid for being used to prepare high stability quantum dot fluorescence film, it is characterised in that quantum dot is combined
Colloid is constituted after UV colloids, red quantum dot material, green quanta point material and filler particles mixing, the quality group of each component
Turn into：
UV colloid 80-95 wt%；
Red quantum dot material 0.06-0.6 wt%；
Green quanta point material 0.3-4 wt%；
Filler particles 0.5-18 wt%.
2. a kind of quantum dot composite colloid for being used to prepare high stability quantum dot fluorescence film as claimed in claim 1, it is special
Levy and be, the UV colloids be urethane acrylate, lauryl acrylate, methacrylate, isobornyl acrylate,
One or more mixtures in epoxy novolac acrylic resin.
3. a kind of quantum dot composite colloid for being used to prepare high stability quantum dot fluorescence film as claimed in claim 1, it is special
Levy and be, the red quantum dot material refers to the quanta point material that launch wavelength is 600-660nm, includes but is not limited to
CdSe、CdTe、CdSexTe1-x、InP、InPxAs1-x、 CuInS2, or more state material be core core shell structure coating modification
Material.
4. a kind of quantum dot composite colloid for being used to prepare high stability quantum dot fluorescence film as claimed in claim 1, it is special
Levy and be, the green quanta point material refers to the quanta point material that launch wavelength is 500-560nm, includes but is not limited to
CdxZn1-xSe、CdxZn1-xTe、CdSexS1-x, InP, or more state material be core core shell structure coating modification material.
5. a kind of quantum dot composite colloid for being used to prepare high stability quantum dot fluorescence film as claimed in claim 1, it is special
Levy and be, the filler particles are SiO2、CaCO3Or ZnO micro-nano granules or powder.
6. a kind of high stability quantum dot fluorescence membrane preparation method, it is characterised in that quantum dot composite colloid is subjected to film painting
Cloth, then curing molding, finally carries out being made after gluing overlay film pressing, the quantum dot composite colloid is by UV glue, red quantum
Constituted after point material, green quanta point material and filler particles mixing, the quality group of each component turns into：
UV colloid 80-95 wt%；
Red quantum dot material 0.06-0.6 wt%；
Green quanta point material 0.3-4 wt%；
Filler particles 0.5-18 wt%.
7. a kind of high stability quantum dot fluorescence membrane preparation method as claimed in claim 6, it is characterised in that film coated is
Refer to and quantum dot compound adhesive is coated with PET base material, the thickness of quantum dot composite colloid is less than 10 microns, and the pressing of gluing overlay film refers to
The coated glue layer in other a piece of PET base material, then by two panels PET base material to pressing together.
8. a kind of high stability quantum dot fluorescence membrane preparation method as claimed in claim 6, it is characterised in that curing molding is adopted
It is molded with heat cure.
9. a kind of high stability quantum dot fluorescence membrane preparation method as claimed in claim 6, it is characterised in that quantum dot is combined
Colloid hybrid mode is using ultrasonic mechanical agitation or vacuum defoamation stirring mixing.
10. a kind of high stability quantum dot fluorescence membrane preparation method as claimed in claim 7, it is characterised in that quantum dot is multiple
The coating of rubber alloy body thin film is using slit, comma or nick coating method.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108373534A (en) * | 2018-01-23 | 2018-08-07 | 宁波激智科技股份有限公司 | A kind of conjugation microporous polymer and preparation method thereof, a kind of quantum dot diaphragm and the liquid crystal display die set of load quantum dot |
| CN110170441A (en) * | 2019-04-23 | 2019-08-27 | 天津宝兴威科技股份有限公司 | A kind of coating method for the quantum dot that coating is permanent |
| WO2020183618A1 (en) * | 2019-03-12 | 2020-09-17 | 日立化成株式会社 | Wavelength conversion member, backlight unit, image display device, and wavelength conversion resin composition |
| CN112226228A (en) * | 2020-10-21 | 2021-01-15 | 宁波东旭成新材料科技有限公司 | Manufacturing method of photoinduced enhanced quantum dot film |
| CN112596299A (en) * | 2020-12-07 | 2021-04-02 | 佛山佛塑科技集团股份有限公司 | Quantum dot film and preparation method and application thereof |
| CN113122226A (en) * | 2019-12-30 | 2021-07-16 | Tcl集团股份有限公司 | Preparation method of quantum dot, quantum dot composite material and quantum dot light-emitting diode |
| CN109535836B (en) * | 2018-10-16 | 2021-12-31 | 苏州星烁纳米科技有限公司 | Quantum dot ink and quantum dot color film |
| CN115903096A (en) * | 2022-12-13 | 2023-04-04 | 广域兴智能(南通)科技有限公司 | Mixture for adjusting color coordinates of optical film, adjusting method and optical film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108373534A (en) * | 2018-01-23 | 2018-08-07 | 宁波激智科技股份有限公司 | A kind of conjugation microporous polymer and preparation method thereof, a kind of quantum dot diaphragm and the liquid crystal display die set of load quantum dot |
| CN108373534B (en) * | 2018-01-23 | 2020-09-01 | 宁波激智科技股份有限公司 | Quantum dot-loaded conjugated microporous polymer and preparation method thereof, quantum dot membrane and liquid crystal display module |
| CN109535836B (en) * | 2018-10-16 | 2021-12-31 | 苏州星烁纳米科技有限公司 | Quantum dot ink and quantum dot color film |
| WO2020183618A1 (en) * | 2019-03-12 | 2020-09-17 | 日立化成株式会社 | Wavelength conversion member, backlight unit, image display device, and wavelength conversion resin composition |
| WO2020184562A1 (en) * | 2019-03-12 | 2020-09-17 | 日立化成株式会社 | Wavelength conversion member, backlight unit, image display device, and wavelength conversion resin composition |
| CN110170441A (en) * | 2019-04-23 | 2019-08-27 | 天津宝兴威科技股份有限公司 | A kind of coating method for the quantum dot that coating is permanent |
| CN113122226A (en) * | 2019-12-30 | 2021-07-16 | Tcl集团股份有限公司 | Preparation method of quantum dot, quantum dot composite material and quantum dot light-emitting diode |
| CN113122226B (en) * | 2019-12-30 | 2023-04-18 | Tcl科技集团股份有限公司 | Preparation method of quantum dot, quantum dot composite material and quantum dot light-emitting diode |
| CN112226228A (en) * | 2020-10-21 | 2021-01-15 | 宁波东旭成新材料科技有限公司 | Manufacturing method of photoinduced enhanced quantum dot film |
| CN112596299A (en) * | 2020-12-07 | 2021-04-02 | 佛山佛塑科技集团股份有限公司 | Quantum dot film and preparation method and application thereof |
| CN115903096A (en) * | 2022-12-13 | 2023-04-04 | 广域兴智能(南通)科技有限公司 | Mixture for adjusting color coordinates of optical film, adjusting method and optical film |
| CN115903096B (en) * | 2022-12-13 | 2024-01-02 | 广域兴智能(南通)科技有限公司 | Mixture for adjusting color coordinates of optical film, adjusting method and optical film |
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Inventor after: Wang Yonghong Inventor after: Liu Juan Inventor after: Guo Dan Inventor after: Yin Anchen Inventor before: Wang Yonghong Inventor before: Liu Juan Inventor before: Guo An Inventor before: Yin Anchen |
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Application publication date: 20171103 |