CN106626574A - Organic barrier film, quantum dot film, backlight module and light emitting device - Google Patents
Organic barrier film, quantum dot film, backlight module and light emitting device Download PDFInfo
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- CN106626574A CN106626574A CN201611104346.1A CN201611104346A CN106626574A CN 106626574 A CN106626574 A CN 106626574A CN 201611104346 A CN201611104346 A CN 201611104346A CN 106626574 A CN106626574 A CN 106626574A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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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
- G02F1/1336—Illuminating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7244—Oxygen barrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
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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
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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Abstract
The invention provides an organic barrier film, a quantum dot film, a backlight module and a light emitting device. The organic barrier film is of an overlaid multilayer structure and comprises at least one water barrier layer, at least one oxygen barrier layer, at least one first bonding layer, at least one second bonding layer and at least two base material layers, wherein the first bonding layer is arranged between one base material layer and the water barrier layer, and the second bonding layer is arranged between the oxygen barrier layer and one base material layer. The barrier film has the advantages of simpler manufacturing technology, lower production cost and better water and oxygen barrier performance.
Description
Technical field
The application is related to quanta point material field, in particular to a kind of organic Obstruct membrane, quantum dot film, backlight mould
Group and light-emitting device.
Background technology
Because the particle diameter of quantum dot is typically in the range of between 1～10nm, with very big specific surface area, surface phase atomicity
More, coordination deficiency, unsaturated bond and the dangling bond which results in surface atom increases, and makes these surface atoms have high work
Property, extremely unstable, it is easy to combined with other atoms.Therefore, general quantum dot surface need to select suitable part to come and quantum
The metal-complexing on point surface, the species of part has conclusive impact to the efficiency and stability of quantum dot.With quantum dot
The development and optimization of synthetic technology, the efficiency and stability of quantum dot have reached the level of industrialization.But, quantum dot is unique
Skin effect also determine it to aqueous vapor and the sensitiveness of oxygen, aqueous vapor and oxygen can destroy the part of quantum dot surface, drop
The efficiency of low quantum dot.Quantum dot size is less, and specific surface area is bigger, higher to the sensitiveness of aqueous vapor and oxygen.
Therefore, quantum dot needs its high-luminous-efficiency of competence exertion and stability under conditions of water proof oxygen barrier.With quantum
The material of point compounding use needs have preferable barrier property to aqueous vapor and oxygen.At present the using method of quantum dot main flow includes
Quantum dot pipe and quantum dot film, apply in backlight display field, are remarkably improved colour gamut and color saturation.Quantum dot pipe be by
Quanta point material is encapsulated in glass tube, and quantum dot film is using Obstruct membrane that quanta point material is coated in middle formation Sanming City
Control structure.Simple production process, colour gamut and color bent and that liquid crystal display can be significantly improved due to quantum dot membrane material
Saturation degree, quantum dot film is increasingly becoming the focus material of quantum dot TV.
However, in quantum dot membrane material in addition to particularly important quanta point material, Obstruct membrane is also most important.At present
The preparation method of the Obstruct membrane of main flow is generally：It is first heavy by evaporation, magnetron sputtering or vacuum chemistry on the base material of polyester film
The methods such as product laying inorganic oxide layer, then in inorganic oxide layer organic matter layer applied over.So include organic matter simultaneously
Layer has preferable barrier property with the Obstruct membrane of inorganic oxide layer, also, on the one hand the setting of organic matter layer protects nothing
Machine oxide skin(coating), on the other hand reduces the surface roughness of Obstruct membrane, improves its adhesive property with other base materials.
In the above-mentioned Obstruct membrane including multilayer inorganic oxide layer and organic matter layer, the thickness of inorganic oxide layer needs control
Below tens nanometer, this is that, in order to ensure the bent performance of Obstruct membrane, our this kind of Obstruct membrane is called inorganic oxide to system
Obstruct membrane.This Obstruct membrane need to lay inorganic oxide layer, work by evaporation or the method such as magnetron sputtering or vacuum chemistry deposition
Skill is complex, relatively costly, and Obstruct membrane is easily caused inorganic oxide layer rupture in curly course and then loses barrier
Can, it is increasingly becoming the weakness of quantum dot film exploitation.
The content of the invention
The main purpose of the application is to provide a kind of organic Obstruct membrane, quantum dot film, backlight module and light-emitting device, with
Solve the problems, such as that the preparation technology of Obstruct membrane of the prior art is more complicated.
To achieve these goals, according to the one side of the application, there is provided a kind of organic Obstruct membrane, organic obstruct
Film is stacked sandwich construction, organic Obstruct membrane include at least one water blocking layer, at least one oxidation prevention layer, at least one first
Tack coat, at least one second tack coats, at least two substrate layers, above-mentioned first tack coat be arranged on an above-mentioned substrate layer with
Between above-mentioned water blocking layer, above-mentioned second tack coat is arranged between above-mentioned oxidation prevention layer and an above-mentioned substrate layer.
Further, the material of above-mentioned water blocking layer includes non-polar polymer, it is preferable that above-mentioned non-polar polymer is selected from
Polytrifluorochloroethylene, cyclic olefine copolymer, Vingon, poly- inclined chlorine divinyl, fluorinated ethylene-propylene copolymer and ethyl vinyl acetate second
One or more in alkene copolymer.
Further, the material of above-mentioned oxidation prevention layer includes polar polymer, it is preferable that above-mentioned polar polymer is selected from poly- second
One or more in enol, ethylene-vinyl alcohol copolymer, polyvinylpyrrolidone, cellulose acetate and celluloid.
Further, above-mentioned organic Obstruct membrane also includes frosted layer and/or bonding enhancement layer, and above-mentioned frosted layer is viscous with above-mentioned
Outermost layer of the knot enhancement layer respectively as the both sides of above-mentioned organic Obstruct membrane.
Further, the material of above-mentioned bonding enhancement layer is selected from acrylate, silane coupler, phosphate, titanate, zirconium
One or more in hydrochlorate and hydroxamic acid.
Further, above-mentioned frosted layer includes carrier and transparent grain, and the material of above-mentioned carrier is selected from epoxy resin, propylene
One or more in acid ester resin, organic siliconresin and polyurethane resin, the material of above-mentioned transparent grain is selected from polyacrylic acid
Ester, polystyrene, polypropylene, Merlon, MBS terpolymer and styrene-the third
One or more in alkene lonitrile copolymer.
Further, above-mentioned organic Obstruct membrane includes successively above-mentioned bonding enhancement layer, the first base material layer, above-mentioned first bonding
Layer, above-mentioned water blocking layer, the second substrate layer, above-mentioned oxidation prevention layer, above-mentioned second tack coat, the 3rd substrate layer and above-mentioned frosted layer.
Further, the material of each above-mentioned first tack coat and each above-mentioned second tack coat independently selected from epoxy resin,
One or more in acrylate, organic siliconresin and polyurethane resin.
Further, the material of each above-mentioned substrate layer is independently selected from polyethylene terephthalate, poly- naphthalenedicarboxylic acid
Glycol ester, polyacrylate, polyether sulfone, poly- 4- methylpentenes, polyarylate, Merlon and SAN
In one or more.
Further, above-mentioned substrate layer at least one surface through surface treatment, above-mentioned surface treatment include corona, etc.
Ion processing or chemicalpiston.
According to the another aspect of the application, there is provided a kind of quantum dot film, including quantum dot layer be arranged on above-mentioned quantum
At least one Obstruct membrane in point layer surface, at least one above-mentioned Obstruct membrane is above-mentioned organic Obstruct membrane.
Further, above-mentioned quantum dot film includes two above-mentioned organic Obstruct membranes, and two above-mentioned organic Obstruct membranes are respectively
First organic Obstruct membrane and second organic Obstruct membrane, above-mentioned quantum dot layer is arranged on above-mentioned first organic Obstruct membrane and above-mentioned second
Between organic Obstruct membrane.
Further, above-mentioned quantum dot layer includes the quantum dot of at least two glow colors, preferably including red quantum
Point and green quantum dot.
Further, above-mentioned quantum dot film includes multiple quantum dot layers, and above-mentioned multiple quantum dot layers are arranged on above-mentioned first
Between organic Obstruct membrane and above-mentioned second organic Obstruct membrane, adjacent contact is arranged or interval sets between above-mentioned multiple quantum dot layers
Put, when any two quantum dot layer interval setting, above-mentioned quantum dot film also includes wall, and above-mentioned wall is arranged on above-mentioned
Between any two quantum dot layer.
According to the another further aspect of the application, there is provided a kind of backlight module of display, including quantum dot film, the quantum
Point film is above-mentioned quantum dot film.
According to the another aspect of the application, there is provided a kind of light-emitting device, including quantum dot film, the quantum dot film is above-mentioned
Quantum dot film.
Using the technical scheme of the application, the organic structure layer formed using organic material replaces of the prior art inorganic
Coating, also, these organic structure layers can be formed using roll type precision coating process, it is not necessary to by being formed in prior art
Inorganic coating evaporation magnetron sputtering or vacuum chemistry deposition etc. method formed, simplify the manufacture craft of Obstruct membrane, drop
The low production cost of Obstruct membrane.Also, organic Obstruct membrane of the application is stacked sandwich construction, in these structure sheafs, resistance
Water layer and oxidation prevention layer each serve as the effect for intercepting water and oxygen, and substrate layer plays a part of to protect water blocking layer and oxidation prevention layer, and first
Tack coat plays bonding water blocking layer and substrate layer, and the second tack coat plays a part of bond oxidation prevention layer and substrate layer, with these
Organic Obstruct membrane of structure sheaf ensure that organic Obstruct membrane has preferably obstruct water oxygen performance.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrated for explaining the application, does not constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 shows the structural representation of organic Obstruct membrane that a kind of embodiment of the application is provided；
Fig. 2 shows the structural representation of organic Obstruct membrane that another kind of embodiment of the application is provided；And
Fig. 3 shows the structural representation of the quantum dot film that a kind of embodiment of the application is provided.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
01st, first organic Obstruct membrane；02nd, quantum dot layer；03rd, second organic Obstruct membrane；10th, bond enhancement layer；20th, first
Substrate layer；30th, the first tack coat；40th, water blocking layer；50th, the second substrate layer；60th, oxidation prevention layer；70th, the second tack coat；80th, the 3rd
Substrate layer；90th, frosted layer.
Specific embodiment
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, the preparation technology of Obstruct membrane of the prior art is more complicated, in order to solve as above
Technical problem, present applicant proposes a kind of organic Obstruct membrane, quantum dot film, backlight module and light-emitting device.
In a kind of typical embodiment of the application, there is provided a kind of organic Obstruct membrane (obstruct that i.e. organic material is formed
Film, not including inorganic material), organic Obstruct membrane is stacked sandwich construction, as shown in figure 1, above-mentioned organic Obstruct membrane includes
At least one water blocking layer 40, at least one oxidation prevention layer 60, at least one first tack coats 30, at least one second tack coats 70,
At least two substrate layers, above-mentioned first tack coat 30 is arranged between an above-mentioned substrate layer and above-mentioned water blocking layer 40, and above-mentioned
Two tack coats 70 are arranged between above-mentioned oxidation prevention layer 60 and an above-mentioned substrate layer.The base material for arranging is contacted with the first tack coat 30
Layer and the substrate layer arranged from the contact of the second tack coat 70 can be same substrate layer, or two different base materials
Layer.Each layer of organic Obstruct membrane can be arranged according to the requirement for intercepting water oxygen ability and adhesion strength, sequentially with quantity not
Limit.
Above-mentioned Obstruct membrane replaces inorganic coating of the prior art using the organic structure layer that organic material is formed, and
And, these organic structure layers can be formed using roll type precision coating process, it is not necessary to of the prior art inorganic by being formed
The method such as the evaporation or magnetron sputtering of coating or vacuum chemistry deposition is formed, and simplifies the manufacture craft of Obstruct membrane, reduces resistance
The production cost of barrier film.Also, organic Obstruct membrane of the application is stacked sandwich construction, in these structure sheafs, water blocking layer 40
The effect for intercepting water and oxygen is each served as with oxidation prevention layer 60, substrate layer plays a part of to protect water blocking layer 40 and oxidation prevention layer 60, the
One tack coat 30 plays bonding water blocking layer 40 and substrate layer, and the second tack coat 70 plays the work of bonding oxidation prevention layer 60 and substrate layer
With the organic Obstruct membrane with these structure sheafs ensure that organic Obstruct membrane has preferably obstruct water oxygen performance.
In order that organic Obstruct membrane has the effect for preferably blocking water, in a kind of embodiment of the application, above-mentioned resistance
The material of water layer 40 includes non-polar polymer.
Those skilled in the art can select any one or more non-polar polymer as blocking water according to actual conditions
The material of layer 40, in order to be further ensured that organic Obstruct membrane has preferable resistance effect, the preferred apolar polymeric of the application
Thing selected from polytrifluorochloroethylene, cyclic olefine copolymer, Vingon, poly- inclined chlorine divinyl, fluorinated ethylene-propylene copolymer and ethene-
One or more in acetate ethylene copolymer.
In another kind of embodiment of the application, the material of above-mentioned oxidation prevention layer 60 includes polar polymer, such oxidation prevention layer
60 being capable of preferable blocking oxygen so that the oxygen resistance of organic Obstruct membrane is preferable.
Those skilled in the art can select any one or more of polar polymer as oxidation prevention layer according to actual conditions
60 material, in order to further such that organic Obstruct membrane has the effect of preferable blocking oxygen.The application preferably above-mentioned pole
Property polymer be selected from polyvinyl alcohol, ethylene-vinyl alcohol copolymer, polyvinylpyrrolidone, cellulose acetate and celluloid
In one or more.
In another embodiment of the application, above-mentioned organic Obstruct membrane also includes frosted layer 90 and/or bonding enhancement layer 10,
The outermost layer of above-mentioned frosted layer 90 and above-mentioned bonding enhancement layer respectively as the both sides of above-mentioned organic Obstruct membrane.When by organic obstruct
When film is arranged on the side of quantum dot film, frosted layer 90 is arranged on the light emission side of quantum dot film, can so improve quantum dot film
Light emission rate, and then improve quantum dot film brightness.And when organic Obstruct membrane is applied in quantum dot film, bonding enhancement layer with
Quantum dot layer contact is arranged, and for organic Obstruct membrane and quantum dot layer to be preferably bonded together.As shown in Fig. 2 organic
Obstruct membrane also includes frosted layer 90 and bonding enhancement layer 10.
In order to organic Obstruct membrane and quantum dot layer are more firmly bondd, the material of the application preferably above-mentioned bonding enhancement layer 10
Material is selected from one or more in acrylate, silane coupler, phosphate, titanate, zirconates and hydroxamic acid.But and
Above-mentioned material is not limited to, those skilled in the art can select the material of any suitable bonding enhancement layer according to actual conditions
Material.
In order that can further improve the brightness of quantum dot film when Obstruct membrane is applied in quantum dot film, the application is excellent
Choose and state frosted layer 90 including carrier and transparent grain, above-mentioned carrier material is selected from epoxy resin, acrylate, organosilicon
One or more in resin and polyurethane resin, the material of above-mentioned transparent grain selected from polyacrylate, polystyrene, poly- third
In alkene, Merlon, MBS terpolymer and SAN one
Plant or various.
In a kind of specific embodiment of the application, as shown in Fig. 2 above-mentioned organic Obstruct membrane includes successively bonding enhancement layer
10th, the first base material layer 20, the first tack coat 30, water blocking layer 40, the second substrate layer 50, oxidation prevention layer 60, the second tack coat the 70, the 3rd
Substrate layer 80 and frosted layer 90.Wherein, the material of the first base material layer 20, the second substrate layer 50 and the 3rd substrate layer 80 can be
Identical, or different, it is corresponding that those skilled in the art can select suitable material to make according to actual conditions
Substrate layer.
For each substrate layer and water blocking layer 40 or the oxidation prevention layer 60 of more firmly boning, in a kind of embodiment of the application, respectively
The material of the tack coat 70 of above-mentioned first tack coat 30 or second is independently selected from epoxy resin, acrylate, organosilicon tree
One or more in fat and polyurethane resin.The first above-mentioned tack coat 30 and the material of the second tack coat 70 can be identical
, or it is different, those skilled in the art can be set to the two according to actual conditions same or different.
In the another embodiment of the application, the material of each above-mentioned substrate layer is independently selected from polyethylene terephthalate
Ester, PEN, polyacrylate, polyether sulfone, poly- 4- methylpentenes, polyarylate, Merlon and styrene-
One or more in acrylonitrile copolymer.Such substrate layer can preferably protect water blocking layer 40 in organic Obstruct membrane with
And oxidation prevention layer 60 etc..But, the material of substrate layer is not limited to above-mentioned material, and those skilled in the art can be according to reality
Situation selects any material of the material as substrate layer for meeting demand.
In order to improve the adhesive property of substrate layer and water blocking layer/oxidation prevention layer, at least the one of the application preferably above-mentioned substrate layer
Through processing, these surface treatments include corona, plasma treatment and chemicalpiston, the surface after above-mentioned process on individual surface
There is preferable bond effect with water blocking layer/oxidation prevention layer.
In the typical embodiment of another kind of the application, there is provided a kind of quantum dot film, as shown in figure 3, the quantum dot
Film includes quantum dot layer 02 and at least one Obstruct membrane being arranged on the surface of quantum dot layer, wherein, at least one Obstruct membrane
For above-mentioned organic Obstruct membrane.It is preferred that light transmittance >=80% of above-mentioned organic Obstruct membrane so that quantum film using when to light source
Light utilization efficiency it is high and light of after quantum dot conversion is preferably projected.
The quantum dot film on the surface of quantum dot due to being provided with above-mentioned organic Obstruct membrane so that quantum dot film is not only
With preferable water and oxygen barrier property, also, relatively low (production of the production equipment compared with inorganic barrier film of the production cost of the Obstruct membrane
Equipment is cheap) reduce the cost of quantum dot film.
In order to further reduce the production cost of quantum dot film while the water and oxygen barrier property of guarantee quantum dot film, such as
Shown in Fig. 3, the application preferably above-mentioned quantum dot film includes two above-mentioned organic Obstruct membranes, and two above-mentioned organic Obstruct membranes are respectively
First organic Obstruct membrane 01 and second organic Obstruct membrane 03, above-mentioned quantum dot layer 02 be arranged on above-mentioned first organic Obstruct membrane 01 with
Between above-mentioned second organic Obstruct membrane 03.
In another kind of embodiment of the application, above-mentioned quantum dot layer includes the quantum dot of at least two glow colors, preferably
Ground, including red quantum point and green quantum dot.
In the another embodiment of the application, above-mentioned quantum dot layer include at least one red quantum point region, at least one
Individual green quantum dot region, black matrix" and other non-smooth transition regions, above-mentioned other non-smooth transition regions include clear area
Domain and/or transparent region, above-mentioned white space is the region for being not provided with glue, and above-mentioned transparent region is the region that transparent adhesive tape is formed.
Red quantum point region, green quantum dot region and white space can form quantum stippling film, RGB according to certain way arrangement
Three sub-pixel (region of white space correspondence blue light-emitting) one pixels of composition, black matrix" is located at each RGB sub-pixel lattice
In for preventing colour contamination.
In the typical embodiment of another of the application, there is provided a kind of backlight module of display, the backlight mould
Group includes quantum dot film, and the quantum dot film is above-mentioned quantum dot film.
Because with above-mentioned quantum dot film, its manufacture craft is relatively easy in above-mentioned backlight module, production cost compared with
It is low, and last a long time.
In the typical embodiment of another of the application, there is provided a kind of light-emitting device, the light-emitting device includes quantum
Point film, such as quantum dot film is arranged on LED or OLED or QLED, and the quantum dot film is above-mentioned quantum dot film.
Because with above-mentioned quantum dot film, its manufacture craft is relatively easy in above-mentioned light-emitting device, production cost compared with
It is low, and last a long time.
In order that those skilled in the art can clearly understand the technical scheme of the application, below with reference to tool
The embodiment of body is illustrated to the technical scheme of the application.
Embodiment 1
Quantum dot film is successively including first organic Obstruct membrane that thickness is 125 μm, second organic obstruct that thickness is 125 μm
Film and the quantum dot layer that the thickness being disposed there between is 100 μm.
Wherein, as shown in figure 1, first organic Obstruct membrane includes the first base material layer 20, thickness that stacked thickness is 25 μm
It it is 15 μm for the second substrate layer 50, thickness that the water blocking layer 40, thickness that 10 μm of the first tack coats 30, thickness are 15 μm is 25 μm
Oxidation prevention layer 60, thickness be 10 μm of the second tack coat 70 and the 3rd substrate layer 80 that thickness is 25 μm.
Wherein, the material of the first base material layer is polyacrylate, and the material of the second substrate layer is poly terephthalic acid second two
Alcohol ester, the material of the 3rd substrate layer is PEN.First bonding layer material is polyurethane resin, and second bonds
The material of layer is epoxy resin.The material of water blocking layer is polytrifluorochloroethylene, and the material of oxidation prevention layer is polyvinyl alcohol.
Second organic Obstruct membrane is identical with the structure of first organic Obstruct membrane.
Quantum dot layer includes red quantum point and green quantum dot and the mixed layer of acrylate, and red quantum point is
Emission wavelength is the CdS/ZnSe core-shell quanta dots of 630nm, and it is 500nm CdS/ZnSe nucleocapsids that green quantum dot is emission wavelength
Quantum dot.
Embodiment 2
It is with the difference of embodiment 1,
First organic Obstruct membrane and second organic Obstruct membrane also include bonding enhancement layer, the two bonding enhancement layer difference
For first organic Obstruct membrane and the outermost layer of second organic Obstruct membrane, and the two bonding enhancement layers and quantum dot layer directly contacts
Arrange, the two bonding enhancement layers are identical, and the material of the two bonding enhancement layers is acrylate.Second organic Obstruct membrane is also
Including frosted layer 90, specific structure is shown in Fig. 3.Frosted layer 90 includes carrier and transparent grain, and carrier material is acrylate tree
Fat, transparent grain is polymethyl methacrylate.
Embodiment 3
It is that the material of two bonding enhancement layers is silane coupler with the difference of embodiment 2.
Embodiment 4
It is with the difference of embodiment 2, the table of the 3rd substrate layer in first organic Obstruct membrane and second organic Obstruct membrane
Face is through plasma treatment.
Embodiment 5
It is that quantum layer has two-layer with the difference of embodiment 1, is respectively red quantum point layer and green quantum dot layer.It is red
Color quantum dot layer includes red quantum point and epoxy resin, and green quantum dot layer includes green quantum dot and acrylate.
Quanta point material is with embodiment 1.
Embodiment 6
It is that the material of water blocking layer is cyclic olefine copolymer, and the material of oxidation prevention layer is polyethylene pyrrole with the difference of embodiment 2
Pyrrolidone.
Embodiment 7
It is that the material of water blocking layer is Vingon, and the material of oxidation prevention layer is ethyl vinyl acetate with the difference of embodiment 1
Ethylene copolymer.
Embodiment 8
Be that the material of water blocking layer is fluorinated ethylene-propylene copolymer with the difference of embodiment 1, the material of oxidation prevention layer be ethene-
Acetate ethylene copolymer.
Embodiment 9
It is with the difference of embodiment 1：The water blocking layer and oxidation prevention layer of organic Obstruct membrane is two-layer.Organic Obstruct membrane includes
Stacked the first base material layer 20, the first tack coat 30, the first water blocking layer 40, the second substrate layer 50, the second water blocking layer, the first resistance oxygen
The 60, second tack coat 70 of layer and the 3rd substrate layer 80, the second oxidation prevention layer, the 3rd tack coat, the 4th substrate layer.
Embodiment 10
It is that the material of water blocking layer is polypropylene with the difference of embodiment 1.
Embodiment 11
It is that the material of oxidation prevention layer is polyvinyl chloride with the difference of embodiment 1.
Comparative example 1
Quantum dot film includes the first inorganic barrier film, quantum dot layer and the second inorganic barrier film, and wherein quantum dot layer is arranged
Between the first inorganic barrier film and the second inorganic barrier film, the model of the first inorganic barrier film or the second inorganic barrier film
The VF114 of Vitriflex companies production.Wherein, the thickness of the first Obstruct membrane and the second Obstruct membrane is 125 μm, quantum dot layer
100μm。
Comparative example 2
Quantum dot film includes a quantum dot layer and two substrate layers, and quantum dot layer is located between two substrate layers, two
Substrate layer material is polyethylene terephthalate.Wherein, the thickness of each substrate layer is 125 μm, and the thickness of quantum dot layer is
100μm。
The detection method of stability of photoluminescence is：The method of testing of stability of photoluminescence is mainly included in high temperature blue light illumination (70
DEG C, 0.5W/cm2), under the aging condition such as hot and humid (65 DEG C/95%RH) and high-temperature storage (85 DEG C), detect quantum dot film
Efficiency change.
The detection method of quantum dot light emitting efficiency is：By the use of 450nm blue LED lamps as light source, distinguished using integrating sphere
Test Blue backlight spectrum and the spectrum through quantum dot film, using the integral area of spectrogram quantum dot luminous efficiency is calculated.
Specific test result is shown in Table 1.
Table 1
Note：Above efficiency is quantum dot light emitting efficiency, and for relative efficiency, the efficiency of comparative example 1 is set to into 100%,
Other efficiency are to make ratio with the efficiency of comparative example 1 to draw.
Quantum dot light emitting efficiency=(red quantum point absorbs peak area+green quantum dot and absorbs peak area)/(Blue backlight
Peak area-pass through the unabsorbed blue peak area of quantum dot film) × 100%.
Knowable to the data of table 1, comparative example 1 adopts the preferable inorganic barrier film of barrier property of the prior art, this Shen
The barrier property of each quantum dot film in embodiment 1 please to embodiment 9 is suitable, but, the quantum dot film of these embodiments
Cost it is more much lower than comparative example 1；Embodiment 10 is poor due to the block-water performance of the material of water blocking layer, embodiment 11 due to
The oxygen resistance of the material of oxidation prevention layer is poor so that although quantum dot film barrier property is than the difference of comparative example 1, its cost
It is more much lower than comparative example 1；Embodiment 2 is due to increased bonding enhancement layer and frosted layer so that the efficiency before and after aging compares
Embodiment 1 it is big, embodiment 4 is processed due to the surface to the 3rd substrate layer so that the quantum dot film for ultimately forming
Efficiency after aging is big than embodiment 2, and embodiment 9 is due to increased a water blocking layer and an oxidation prevention layer, its initial effect
Rate is less than embodiment 1, but the attenuation degree of its efficiency is less.
As can be seen from the above description, the application the above embodiments realize following technique effect：
1) the organic Obstruct membrane in the application not only has preferable water and oxygen barrier property, and organic Obstruct membrane is significantly
The preparation technology of Obstruct membrane is simplified, production cost is reduced.
2) the quantum dot film in the application on the surface of quantum dot due to being provided with above-mentioned organic Obstruct membrane so that amount
Son point film not only has preferable water and oxygen barrier property, also with relatively low Obstruct membrane cost.
3) because with above-mentioned quantum dot film, its manufacture craft is relatively easy, produces in the backlight module of the application
This is relatively low, and lasts a long time.
4) because with above-mentioned quantum dot film, its manufacture craft is relatively easy in the light-emitting device in the application, production
Cost is relatively low, and lasts a long time.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (16)
1. a kind of organic Obstruct membrane, organic Obstruct membrane is stacked sandwich construction, it is characterised in that organic Obstruct membrane
Including at least one water blocking layer (40), at least one oxidation prevention layer (60), at least one first tack coats (30), at least one second
Tack coat (70), at least two substrate layers, first tack coat (30) is arranged on a substrate layer and the water blocking layer
(40) between, second tack coat (70) is arranged between the oxidation prevention layer (60) and a substrate layer.
2. organic Obstruct membrane according to claim 1, it is characterised in that the material of the water blocking layer (40) includes nonpolar
Polymer, it is preferable that the non-polar polymer is selected from polytrifluorochloroethylene, cyclic olefine copolymer, Vingon, poly- inclined chlorine
One or more in divinyl, fluorinated ethylene-propylene copolymer and ethylene-vinyl acetate copolymer.
3. organic Obstruct membrane according to claim 1, it is characterised in that the material of the oxidation prevention layer (60) is poly- including polarity
Compound, it is preferable that the polar polymer is selected from polyvinyl alcohol, ethylene-vinyl alcohol copolymer, polyvinylpyrrolidone, acetic acid
One or more in cellulose and celluloid.
4. organic Obstruct membrane according to claim 1, it is characterised in that organic Obstruct membrane also includes frosted layer (90)
And/or bonding enhancement layer (10), the frosted layer (90) is with bonding enhancement layer (10) respectively as organic Obstruct membrane
Both sides outermost layer.
5. organic Obstruct membrane according to claim 4, it is characterised in that the material of the bonding enhancement layer (10) is selected from third
One or more in olefin(e) acid ester, silane coupler, phosphate, titanate, zirconates and hydroxamic acid.
6. organic Obstruct membrane according to claim 4, it is characterised in that the frosted layer (90) is including carrier and transparent
Grain, the material of the carrier is selected from the one kind or many in epoxy resin, acrylate, organic siliconresin and polyurethane resin
Kind, the material of the transparent grain selected from polyacrylate, polystyrene, polypropylene, Merlon, methyl methacrylate-
One or more in butadiene-styrene terpolymer and SAN.
7. organic Obstruct membrane according to claim 4, it is characterised in that organic Obstruct membrane includes successively the bonding
Enhancement layer (10), the first base material layer (20), first tack coat (30), the water blocking layer (40), the second substrate layer (50), institute
State oxidation prevention layer (60), second tack coat (70), the 3rd substrate layer (80) and the frosted layer (90).
8. organic Obstruct membrane according to claim 1, it is characterised in that each first tack coat (30) and each described
The material of two tack coats (70) is in epoxy resin, acrylate, organic siliconresin and polyurethane resin
One or more.
9. organic Obstruct membrane according to claim 1, it is characterised in that the material of each substrate layer is independently selected from poly-
Ethylene glycol terephthalate, PEN, polyacrylate, polyether sulfone, poly- 4- methylpentenes, polyarylate,
One or more in Merlon and SAN.
10. organic Obstruct membrane according to claim 1, it is characterised in that at least one surface of the substrate layer is passed through
Surface treatment, the surface treatment includes corona, plasma treatment or chemicalpiston.
A kind of 11. quantum dot films, including quantum dot layer (02) and at least one be arranged on the quantum dot layer (02) surface
Obstruct membrane, it is characterised in that Obstruct membrane described at least one is the organic Obstruct membrane any one of claim 1 to 10.
12. quantum dot films according to claim 11, it is characterised in that the quantum dot film includes two organic resistances
Barrier film, two organic Obstruct membranes are respectively first organic Obstruct membrane (01) and second organic Obstruct membrane (03), the quantum
Point layer (02) is arranged between described first organic Obstruct membrane (01) and described second organic Obstruct membrane (03).
13. quantum dot films according to claim 11, it is characterised in that the quantum dot layer (02) is including at least two
The quantum dot of light color, it is preferable that including red quantum point and green quantum dot.
14. quantum dot films according to claim 12, it is characterised in that the quantum dot film includes multiple quantum dot layers
(02), the plurality of quantum dot layer (02) is arranged on described first organic Obstruct membrane (01) with described second organic Obstruct membrane (03)
Between, adjacent contact is arranged or interval setting between the plurality of quantum dot layer (02), when any two quantum dot layer (02)
During interval setting, the quantum dot film also includes wall, and the wall is arranged on any two quantum dot layer (02)
Between.
A kind of 15. backlight modules of display, including quantum dot film, it is characterised in that the quantum dot film is claim
Quantum dot film any one of 11 to 14.
A kind of 16. light-emitting devices, including quantum dot film, it is characterised in that the quantum dot film is to appoint in claim 11 to 14
Quantum dot film described in one.
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| CN107264002A (en) * | 2017-08-10 | 2017-10-20 | 向爱双 | The preparation method and product of high-performance separation film |
| CN107672270A (en) * | 2017-10-12 | 2018-02-09 | 丹阳市维尼光学有限公司 | Can double-deck or multiple layer combination combination enhancing film |
| CN109638169A (en) * | 2018-10-29 | 2019-04-16 | 纳晶科技股份有限公司 | Organic barrier film, the preparation method of organic barrier film and quantum dot device |
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