CN106189826A - Edge self-enclosed quantum dot film - Google Patents
Edge self-enclosed quantum dot film Download PDFInfo
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- CN106189826A CN106189826A CN201610602617.XA CN201610602617A CN106189826A CN 106189826 A CN106189826 A CN 106189826A CN 201610602617 A CN201610602617 A CN 201610602617A CN 106189826 A CN106189826 A CN 106189826A
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
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- B32B2307/7242—Non-permeable
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- B32B2457/00—Electrical equipment
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Abstract
Edge self-enclosed quantum dot film, relates to quantum dot film.It is provided with quantum dot layer, upper and lower surface at quantum dot layer is equipped with water oxygen barrier layer, quantum dot layer is made up of liquid microcapsule, quantum dot, diffusion particle, matrix resin and coalescents, liquid microcapsule is evenly distributed in quantum dot layer, described liquid microcapsule is provided with liquid capsule-core, is provided with solid, shaped cyst wall outside liquid capsule-core.After cut-off, the liquid microcapsule being in incision can be cut off, film forming liquid in liquid microcapsule can ooze out and mutually merge, liquid carries out homogeneous immersion to film edge under capillary effect, then under the conditions of room temperature, heating or ultraviolet light irradiate liquid can film-forming, the edge of quantum dot film is played the effect of closing.Closed process is not limited by film edge profile, and the film edge profile of complexity or the film internal edge of hole one, location class also can play the effect of closing.
Description
Technical field
The present invention relates to quantum dot film, particularly relate to cut the edge with caudacoria in process and can realize self-isolation
A kind of edge self-enclosed quantum dot film.
Background technology
Quantum dot film has been applied to liquid crystal display, make the colour gamut of liquid crystal display bring up to 100%NTSC with
On, hence it is evident that improve accuracy and colour vividness that color shows.According to existing production technology, quantum dot film is to use volume
The mode rolled up is manufactured, before quantum dot film is installed to display device, needs the size according to distinct device to want
Ask and quantum dot film is cut.After quantum dot film is cut-off, the quantum dot of quantum dot film edge can come out (Chinese
Patent CN 104937729 A), so can produce two harmful effects: the quantum dot of (1) film edge may come off and cause
Environmental pollution；(2) quantum dot of film edge is directly exposed in the middle of the environment containing steam and oxygen, and fluorescence is more prone to
Quencher, the fluorescence making film edge is dimmed.
In order to solve the problems referred to above, people attempt changing the production procedure of quantum dot film, such as by the company of quantum dot glue
Continuous coating changes batch (-type) coating (Chinese patent CN 104848168 A) into, is being surrounded by edge sealing adhesive by quantum dot glue-coating
In region, finally cut in edge sealing adhesive region.Compared with prior art, the shortcoming of this method is: (1) needs to change and is coated with
Cloth equipment；(2) uniformity that batch (-type) coating is not coated with continuously is good；(3) technique adding coating edge sealing adhesive, reduces life
Produce efficiency；(4) region that the dispensing area of quantum dot glue surrounds with edge sealing adhesive needs accurately to be directed at, and adds technical difficulty,
Reduce conforming product rate；(5) the quantum dot film of a kind of size corresponding one can only cut size, the size adaptability of product
Difference；(6) in order to ensure the quantum dot layer centre at film, quantum dot film needs accurately to be directed at cutting mould, adds skill
Art difficulty, reduces conforming product rate；(7) hole, location needs to make in edge sealing adhesive region so that edge sealing adhesive peak width is relatively big,
Add the width of display device frame and affect attractive in appearance.
It addition, people attempt covering quantum in the length of quantum dot film edge coating binder or prolongation water oxygen barrier layer
Point film edge (Chinese patent CN 104501043 A), compared with prior art, lacking at quantum dot film edge coating binder
Point is: (1) adds production technology at quantum dot film edge coating binder, reduces production efficiency；(2) hundreds of micron of thickness
Film edge be coated relatively difficult, and corresponding machinery equipment needs customization；(3) for positioning hole one class on diaphragm
Film internal edge and complex outline edge are difficult to coating.Compared with prior art, the length extending water oxygen barrier layer is covered
The shortcoming of lid quantum dot film edge is: (1) needs at quantum dot layer upper and lower surface sticking water oxygen barrier layer, adds a laminating adhesive
Technique, reduce production efficiency；(2) the quantum dot film of a kind of size corresponding one can only cut size, and the size of product is fitted
Answering property is poor；(3) in order to ensure the quantum dot layer centre at film, quantum dot film needs accurately to be directed at cutting mould, increases
Technical difficulty, reduces conforming product rate；(4) hole, location needs to make in the water oxygen barrier layer region extended so that extend
Water oxygen barrier layer peak width relatively big, add the width of display device frame and affect attractive in appearance.
Summary of the invention
In order to solve the problem that above-mentioned prior art exists, overcoming the shortcoming that existing method exists, the purpose of the present invention exists
In providing a kind of edge self-enclosed quantum dot film.
The present invention is provided with quantum dot layer, and the upper and lower surface at quantum dot layer is equipped with water oxygen barrier layer, and quantum dot layer is by liquid
Body microcapsule, quantum dot, diffusion particle, matrix resin and coalescents composition, liquid microcapsule is evenly distributed on quantum dot layer
In, described liquid microcapsule is provided with liquid capsule-core, is provided with solid, shaped cyst wall outside liquid capsule-core.
Described matrix resin is selected from organic siliconresin, polyacrylate, isocyanates, epoxy resin, polyurethane, polyene
At least one in hydrocarbon resin, light-cured resin etc..
Described diffusion particle is selected from least one in organic filler, inorganic particulate etc., preferably poly-methyl methacrylate
Ester particle and organosilicon particle.
Described coalescents is selected from least in levelling agent, substrate wetting agents, crosslinking accelerator, organic solvent etc.
Kind.
Described liquid capsule-core be selected from PEPA, isocyanates, epoxy resin, polymercaptan, anhydrides compound,
In aminated compounds, liquid low-molecular polyamide, light-cured resin, Silicon Containing Hydrogen resin, vinyl polysiloxane etc. one
Kind.
Described solid, shaped cyst wall is selected from polyurethane, polyacrylate, vistanex, ethylene vinyl acetate copolymerization
One in thing, amino resins etc..
The particle diameter of described liquid microcapsule can be 0.1～20 μm, preferably 1～10 μm.
Described liquid capsule-core can use at least one liquid capsule-core.
After the present invention is cut-off, the liquid microcapsule being in incision can be cut off, the film forming in liquid microcapsule
Liquid can ooze out and mutually merge, and liquid carries out homogeneous immersion under capillary effect to film edge, then room temperature,
Heating or ultraviolet light irradiate under the conditions of liquid can film-forming, the edge of quantum dot film is played the effect of closing.Described closing
Process is not limited by film edge profile, and the film internal edge of complicated film edge profile or hole one, location class also can be played envelope
The effect closed.The production equipment and the technological process that manufacture described edge self-enclosed quantum dot film are same as the prior art, it is not necessary to volume
Outer equipment investment, also will not reduce production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of liquid microcapsule；
Fig. 2 is the structural representation of quantum dot layer；
Fig. 3 is the schematic cross-section of edge self-enclosed quantum dot film；
Fig. 4 is the top view of the self-enclosed quantum dot film of the edge after cutting.
Detailed description of the invention
Following example will the present invention is further illustrated in conjunction with accompanying drawing.
Seeing Fig. 1～4, edge of the present invention self-enclosed quantum dot film 401 is provided with quantum dot layer 302, at quantum dot layer
The upper and lower surface of 302 is equipped with water oxygen barrier layer 301, and quantum dot layer 302 is by liquid microcapsule 201, quantum dot 202, diffusion grain
Son 203, matrix resin 204 and coalescents (being not drawn in figure) composition, liquid microcapsule 201 is evenly distributed on quantum dot layer
In 302, described liquid microcapsule 201 is provided with liquid capsule-core 101, is provided with solid, shaped cyst wall outside liquid capsule-core 101
102。
Described matrix resin is selected from organic siliconresin, polyacrylate, isocyanates, epoxy resin, polyurethane, polyene
At least one in hydrocarbon resin, light-cured resin etc..
Described diffusion particle is selected from least one in organic filler, inorganic particulate etc., preferably poly-methyl methacrylate
Ester particle and organosilicon particle.
Described coalescents is selected from least in levelling agent, substrate wetting agents, crosslinking accelerator, organic solvent etc.
Kind.
Described liquid capsule-core be selected from PEPA, isocyanates, epoxy resin, polymercaptan, anhydrides compound,
In aminated compounds, liquid low-molecular polyamide, light-cured resin, Silicon Containing Hydrogen resin, vinyl polysiloxane etc. one
Kind.
Described solid, shaped cyst wall is selected from polyurethane, polyacrylate, vistanex, ethylene vinyl acetate copolymerization
One in thing, amino resins etc..
The particle diameter of described liquid microcapsule can be 0.1～20 μm, preferably 1～10 μm.
Described liquid capsule-core can use at least one liquid capsule-core.
Embodiment 1
1, the preparation of liquid microcapsule
By PEPA and the emulsifying agent of 2.5 mass parts of 10 mass parts, join in the water of 100 mass parts, with breast
Change machine becomes emulsion after carrying out emulsifying 10min.This emulsion is proceeded in reactor, under blender stirs, is heated to 60 DEG C, so
After be simultaneously added dropwise initiator and the Polyacrylate monomer of 8 mass parts of 0.02 mass parts.After reaction 3h, emulsion is proceeded to container
In, it is centrifuged with centrifuge, after precipitates washed with EtOH, obtains the PEPA liquid microcapsule that particle diameter is 1 μm.
By isocyanates and the emulsifying agent of 1.4 mass parts of 5 mass parts, join in the water of 100 mass parts, use mulser
Emulsion is become after carrying out emulsifying 11min.This emulsion is proceeded in reactor, under blender stirs, is heated to 50 DEG C, then same
Time drip initiator and the Polyacrylate monomer of 4 mass parts of 0.01 mass parts.After reaction 3h, emulsion is proceeded in container, use
Centrifuge is centrifuged, and obtains the isocyanate liquid microcapsule that particle diameter is 0.1 μm after precipitates washed with EtOH.
2, the preparation of the self-enclosed quantum dot in edge film
By the PEPA liquid microcapsule of 3 mass parts, the isocyanate liquid microcapsule of 3 mass parts, 1.5 mass parts
Green quantum dot, the red quantum point of 0.2 mass parts, the polyacrylate of 30 mass parts, the diffusion particle of 13 mass parts,
The levelling agent of 0.2 mass parts, 50 mass parts butyl acetate mix homogeneously after be coated on water oxygen barrier layer, through heating make
Quantum dot layer is obtained, then water oxygen on quantum dot layer surface one layer of curable adhesive of coating bonding after butyl acetate volatilization
Barrier layer, obtains edge self-enclosed quantum dot film after photocuring.
3, the detection of film edge sealing effect
Self-enclosed for edge quantum dot film is cut into the print of 14 cun of sizes, at 60 DEG C, stands 1h make film edge
The liquid curing that place's liquid microcapsule oozes out.Then print is placed in the liquid crystal display of 14 cun of Blue backlight, quantum
Point film is between light guide plate and blast sheet, and liquid crystal display works after 500h under rated voltage continuously, takes out quantum dot
Film, detection membrane edge color changes the width in region, the results are shown in Table 1.
Comparative example 1
By the green quantum dot of 1.5 mass parts, the red quantum point of 0.2 mass parts, the polyacrylate of 30 mass parts, 13
The diffusion particle of mass parts, the levelling agent of 0.2 mass parts, 50 mass parts butyl acetate mix homogeneously after be coated on water oxygen resistance
On interlayer, after heating makes butyl acetate volatilization, obtain quantum dot layer, be then coated with one layer of photocuring on quantum dot layer surface
Adhesive also bonds upper water oxygen barrier layer, obtains edge self-enclosed quantum dot film after photocuring.
The detection method of film is with embodiment 1.
Embodiment 2
1, the preparation of liquid microcapsule
The epoxy resin of 8 mass parts and the ethylene vinyl acetate copolymer of 7 mass parts are dissolved in 110 mass parts
As oil phase in toluene；The emulsifying agent of 3 mass parts is dissolved in the water of 200 mass parts as aqueous phase.Under agitation by oil phase
It is added drop-wise in the middle of aqueous phase become emulsion, is then heated to 60 DEG C and continuously stirred 8h so that toluene slowly volatilizees, in this mistake
Journey epoxy resin occurs to be separated owing to surface tension is different from ethylene vinyl acetate copolymer, ethylene-vinyl acetate
Ester copolymer moves to the interface of oil phase and aqueous phase becomes the cyst wall of microcapsule.After toluene volatilization, emulsion is proceeded to container
In, it is centrifuged with centrifuge, after precipitates washed with EtOH, obtains the epoxy resin liquid microcapsule that particle diameter is 8 μm.
The polymercaptan of 9 mass parts and the ethylene vinyl acetate copolymer of 9 mass parts are dissolved in the first of 120 mass parts
As oil phase in benzene；The emulsifying agent of 4 mass parts is dissolved in the water of 220 mass parts as aqueous phase.Under agitation oil phase is dripped
It is added in the middle of aqueous phase, is then heated to 60 DEG C and continuously stirred 8h so that toluene slowly volatilizees, in the process polymercaptan and second
Alkene vinyl acetate co-polymer occurs owing to surface tension is different to be separated, and ethylene vinyl acetate copolymer moves to oil
With the cyst wall that the interface of aqueous phase becomes microcapsule.Toluene volatilization after emulsion is proceeded in container, with centrifuge carry out from
The heart, obtains the polymercaptan liquid microcapsule that particle diameter is 10 μm after precipitates washed with EtOH.
2, the preparation of the self-enclosed quantum dot in edge film
By the epoxy resin liquid microcapsule of 3 mass parts, the polymercaptan liquid microcapsule of 2 mass parts, 0.6 mass parts green
Color quantum dot, the red quantum point of 0.06 mass parts, the light-cured resin of 70 mass parts, the diffusion particle mixing of 10 mass parts is all
Being coated on water oxygen barrier layer after even, then the upper water oxygen barrier layer of bonding, obtains edge self-enclosed quantum dot film after photocuring.
3, the detection of film edge sealing effect
Self-enclosed for edge quantum dot film is cut into the print of 14 cun of sizes, irradiates 30s under ultraviolet light and make film
The liquid curing that edge's liquid microcapsule oozes out.Then print is placed in the liquid crystal display of 14 cun of Blue backlight,
Quantum dot film is between light guide plate and blast sheet, and liquid crystal display works after 500h under rated voltage continuously, withdrawal amount
Son point film, detection membrane edge color changes the width in region, the results are shown in Table 1.
Comparative example 2
By the green quantum dot of 0.6 mass parts, the red quantum point of 0.06 mass parts, the light-cured resin of 70 mass parts,
It is coated on water oxygen barrier layer after the diffusion particle mix homogeneously of 10 mass parts, then the upper water oxygen barrier layer of bonding, photocuring
After obtain edge self-enclosed quantum dot film.
The detection method of film is with embodiment 2.
Embodiment 3
1, the preparation of liquid microcapsule
By the light-cured resin of 11 mass parts, the isocyanates of 6 mass parts, the emulsifying agent of 4 mass parts, join 120 matter
In the water of amount part, after carrying out emulsifying 20min with mulser, become emulsion.This emulsion is proceeded in reactor, stirs at blender
Under be slowly added to catalyst trien and the Polyethylene Glycol of 9 mass parts of 0.02 mass parts, stirring 8min post-heating arrives
70℃.Proceeding to, in container, be centrifuged with centrifuge by emulsion after reaction 1h, obtaining particle diameter after precipitates washed with EtOH is
The light-cured resin liquid microcapsule of 3 μm.
2, the preparation of the self-enclosed quantum dot in edge film
By the light-cured resin liquid microcapsule of 6 mass parts, the green quantum dot of 1.1 mass parts, the redness of 0.1 mass parts
Quantum dot, the organic siliconresin of 50 mass parts, the crosslinking accelerator of 0.06 mass parts, the diffusion particle of 10 mass parts, 20 mass
The dimethylbenzene mix homogeneously of part is coated on water oxygen barrier layer later, makes dimethylbenzene volatilize through heating, is then adhered by water
Oxygen barrier layer, continues heating and organic siliconresin is fully cured obtain edge self-enclosed quantum dot film.
3, the detection of border seal effect
The detection method of film edge sealing effect is with embodiment 1, and testing result is shown in Table 1.
Comparative example 3
By the green quantum dot of 1.1 mass parts, the red quantum point of 0.1 mass parts, the organic siliconresin of 50 mass parts,
The crosslinking accelerator of 0.06 mass parts, the diffusion particle of 10 mass parts, 20 mass parts dimethylbenzene mix homogeneously after be coated on
On water oxygen barrier layer, make dimethylbenzene volatilize through heating, be then adhered by water oxygen barrier layer, continue heating and make organosilicon tree
Fat is fully cured and obtains edge self-enclosed quantum dot film.
The detection method of film is with embodiment 3.
Embodiment 4
1, the preparation of liquid microcapsule
The Silicon Containing Hydrogen resin of 10 mass parts and the amino resins of 8 mass parts are dissolved in toluene and the butanol of 100 mass parts
Mixed solvent in, be subsequently adding emulsifying agent and the water of 250 mass parts of 5 mass parts, carry out becoming after emulsifying 15min with mulser
For emulsion.Then evacuation be heated to 50 DEG C so that solvent volatilizees completely, in the process Silicon Containing Hydrogen resin and amino resins
Occurring owing to surface tension is different to be separated, amino resins moves to the interface of oil phase and aqueous phase becomes the cyst wall of microcapsule.
Being subsequently adding acid catalyst makes amino resins solidify, and finally proceeds to emulsion, in container, be centrifuged with centrifuge, precipitate
Obtain, after washing with alcohol, the Silicon Containing Hydrogen resin liquid microcapsule that particle diameter is 5 μm.
The vinyl polysiloxane of 9 mass parts and the amino resins of 8 mass parts are dissolved in toluene and the butanol of 110 mass parts
Mixed solvent in, be subsequently adding emulsifying agent and the water of 250 mass parts of 5 mass parts, carry out becoming after emulsifying 15min with mulser
For emulsion.Then evacuation be heated to 50 DEG C so that solvent volatilizees completely, in the process vinyl polysiloxane and amino tree
Fat occurs owing to surface tension is different to be separated, and amino resins moves to the interface of oil phase and aqueous phase becomes the capsule of microcapsule
Wall.Being subsequently adding acid catalyst makes amino resins solidify, and finally proceeds to emulsion, in container, be centrifuged with centrifuge, heavy
The vinyl polysiloxane liquid microcapsule that particle diameter is 7 μm is obtained after the thing washing with alcohol of shallow lake.
2, the preparation of the self-enclosed quantum dot in edge film
By the Silicon Containing Hydrogen resin liquid microcapsule of 4 mass parts, the vinyl polysiloxane liquid microcapsule of 4 mass parts, 1.4 matter
Amount part green quantum dot, the red quantum point of 0.3 mass parts, the polyurethane of 45 mass parts, the diffusion particle of 14 mass parts,
The substrate wetting agents of 0.1 mass parts, 50 mass parts butyl acetate mix homogeneously after be coated on water oxygen barrier layer, heating makes
Obtaining quantum dot layer after butyl acetate volatilization, quantum dot layer obtains the self-enclosed amount in edge after bonding with water oxygen barrier layer PUR
Son point film.
3, the detection of film edge sealing effect
The detection method of film edge sealing effect is with embodiment 1, and testing result is shown in Table 1.
Comparative example 4
By the green quantum dot of 1.4 mass parts, the red quantum point of 0.3 mass parts, the polyurethane of 45 mass parts, 14 mass
Part diffusion particle, the substrate wetting agents of 0.1 mass parts, 50 mass parts butyl acetate mix homogeneously after be coated on water oxygen resistance
On interlayer, heating obtains quantum dot layer after making butyl acetate volatilization, and quantum dot layer obtains after bonding with PUR with water oxygen barrier layer
The self-enclosed quantum dot film to edge.
The detection method of film is with embodiment 4.
Embodiment 5
1, the preparation of liquid microcapsule
The PEPA of 12 mass parts and the polystyrene of 10 mass parts are dissolved in the toluene of 100 mass parts as
Oil phase；The emulsifying agent of 3 mass parts is dissolved in the water of 300 mass parts as aqueous phase.Under agitation oil phase is added drop-wise to aqueous phase
In the middle of become emulsion, be then heated to 60 DEG C and continuously stirred 8h so that toluene slowly volatilizees, and polyester is many in the process
Unit alcohol and polystyrene occur separated owing to surface tension is different, and polystyrene moves to the interface of oil phase and aqueous phase to be become
The cyst wall of microcapsule.Proceed to, in container, be centrifuged with centrifuge by emulsion after toluene volatilization, precipitates washed with EtOH
Obtain the PEPA liquid microcapsule that particle diameter is 11 μm later.
The isocyanates of 9 mass parts and the polystyrene of 9 mass parts are dissolved in the toluene of 90 mass parts as oil phase；
The emulsifying agent of 3 mass parts is dissolved in the water of 200 mass parts as aqueous phase.Under agitation oil phase is added drop-wise in the middle of aqueous phase,
Be then heated to 50 DEG C and continuously stirred 8h so that toluene slowly volatilizees, in the process isocyanates and polystyrene due to
Surface tension is different and occurs to be separated, and polystyrene moves to the interface of oil phase and aqueous phase becomes the cyst wall of microcapsule.Toluene
Proceeding to emulsion after volatilization, in container, be centrifuged with centrifuge, obtaining particle diameter after precipitates washed with EtOH is 12 μ
The isocyanate liquid microcapsule of m.
2, the preparation of the self-enclosed quantum dot in edge film
By the PEPA liquid microcapsule of 4 mass parts, the isocyanate liquid microcapsule of 3 mass parts, 0.9 mass parts
Green quantum dot, the red quantum point of 0.05 mass parts, the light-cured resin of 60 mass parts, the diffusion particle of 11 mass parts mix
Being coated on water oxygen barrier layer after closing uniformly, then the upper water oxygen barrier layer of bonding, obtains the self-enclosed quantum in edge after photocuring
Point film.
3, the detection of film edge sealing effect
The detection method of film edge sealing effect is with embodiment 2, and testing result is shown in Table 1.
Comparative example 5
By the green quantum dot of 0.9 mass parts, the red quantum point of 0.05 mass parts, the light-cured resin of 60 mass parts,
It is coated on water oxygen barrier layer after the diffusion particle mix homogeneously of 11 mass parts, then the upper water oxygen barrier layer of bonding, photocuring
After obtain edge self-enclosed quantum dot film.
The detection method of film is with embodiment 5.
Embodiment 6
1, the preparation of liquid microcapsule
By epoxy resin and the emulsifying agent of 3.5 mass parts of 14 mass parts, join in the water of 130 mass parts, use emulsifying
Machine becomes emulsion after carrying out emulsifying 10min.This emulsion is proceeded in reactor, under blender stirs, is heated to 60 DEG C, then
It is simultaneously added dropwise initiator and the Polyacrylate monomer of 10 mass parts of 0.02 mass parts.After reaction 3h, emulsion is proceeded to container
In, it is centrifuged with centrifuge, after precipitates washed with EtOH, obtains the epoxy resin liquid microcapsule that particle diameter is 14 μm.
By liquid low-molecular polyamide and the emulsifying agent of 1.2 mass parts of 5 mass parts, join 100 mass parts
Water in, become emulsion after carrying out emulsifying 8min with mulser.This emulsion is proceeded in reactor, heats under blender stirs
To 60 DEG C, then it is simultaneously added dropwise initiator and the Polyacrylate monomer of 6 mass parts of 0.01 mass parts.By emulsion after reaction 3h
Proceed to, in container, be centrifuged with centrifuge, after precipitates washed with EtOH, obtain the liquid low-molecular that particle diameter is 16 μm
Polyamide liquid microcapsule.
2, the preparation of the self-enclosed quantum dot in edge film
By the epoxy resin liquid microcapsule of 5 mass parts, the liquid low-molecular micro-glue of polyamide liquid of 3 mass parts
Capsule, the green quantum dot of 1.1 mass parts, the red quantum point of 0.1 mass parts, the organic siliconresin of 50 mass parts, 0.04 mass
Part crosslinking accelerator, the diffusion particle of 10 mass parts, 30 mass parts dimethylbenzene mix homogeneously after be coated on water oxygen intercept
On layer, make dimethylbenzene volatilize through heating, and make organic siliconresin obtain quantum dot layer, then at quantum dot layer table after solidifying
One layer of curable adhesive of topcoating cloth also bonds upper water oxygen barrier layer, obtains edge self-enclosed quantum dot film after photocuring.
3, the detection of film edge sealing effect
The detection method of film edge sealing effect is with embodiment 1, and testing result is shown in Table 1.
Comparative example 6
By the green quantum dot of 1.1 mass parts, the red quantum point of 0.1 mass parts, the organic siliconresin of 50 mass parts,
The crosslinking accelerator of 0.04 mass parts, the diffusion particle of 10 mass parts, 30 mass parts dimethylbenzene mix homogeneously after be coated on
On water oxygen barrier layer, make dimethylbenzene volatilize through heating, and make organic siliconresin obtain quantum dot layer after solidifying, then in amount
Son point layer surface one layer of curable adhesive of coating also bonds upper water oxygen barrier layer, obtains the self-enclosed quantum dot in edge after photocuring
Film.
The detection method of film is with embodiment 6.
Embodiment 7
1, the preparation of liquid microcapsule
The light-cured resin of 10 mass parts and the amino resins of 8 mass parts are dissolved in toluene and the butanol of 100 mass parts
Mixed solvent in, be subsequently adding emulsifying agent and the water of 200 mass parts of 3 mass parts, carry out becoming after emulsifying 13min with mulser
For emulsion.Then evacuation be heated to 50 DEG C so that solvent volatilizees completely, in the process Silicon Containing Hydrogen resin and amino resins
Occurring owing to surface tension is different to be separated, amino resins moves to the interface of oil phase and aqueous phase becomes the cyst wall of microcapsule.
Being subsequently adding acid catalyst makes amino resins solidify, and finally proceeds to emulsion, in container, be centrifuged with centrifuge, precipitate
Obtain, after washing with alcohol, the light-cured resin liquid microcapsule that particle diameter is 17 μm.
2, the preparation of the self-enclosed quantum dot in edge film
By the light-cured resin liquid microcapsule of 8 mass parts, the green quantum dot of 1.7 mass parts, the redness of 0.2 mass parts
Quantum dot, the epoxy resin of 42 mass parts, the anhydrides compound of 14 mass parts, the diffusion particle of 15 mass parts, 30 mass parts
Butyl acetate mix homogeneously after be coated on water oxygen barrier layer, heating make butyl acetate volatilize, be then adhered by water oxygen
Barrier layer, continues heating and epoxy resin is fully cured obtain edge self-enclosed quantum dot film.
3, the detection of film edge sealing effect
The detection method of film edge sealing effect is with embodiment 1, and testing result is shown in Table 1.
Comparative example 7
By the green quantum dot of 1.7 mass parts, the red quantum point of 0.2 mass parts, the epoxy resin of 42 mass parts, 14 matter
It is coated on water after measuring the butyl acetate mix homogeneously of the anhydrides compound of part, the diffusion particle of 15 mass parts, 30 mass parts
On oxygen barrier layer, heating makes butyl acetate volatilize, and is then adhered by water oxygen barrier layer, continues heating and makes epoxy resin complete
Solidification obtains edge self-enclosed quantum dot film.
The detection method of film is with embodiment 7.
Embodiment 8
1, the preparation of liquid microcapsule
By the Silicon Containing Hydrogen resin of 10 mass parts, the isocyanates of 4 mass parts, the emulsifying agent of 2.5 mass parts, join 120
In the water of mass parts, after carrying out emulsifying 9min with mulser, become emulsion.This emulsion is proceeded in reactor, stirs at blender
Under be slowly added to catalyst trien and the Polyethylene Glycol of 11 mass parts of 0.03 mass parts, stir 10min post-heating
To 70 DEG C.Proceed to, in container, be centrifuged with centrifuge by emulsion after reaction 1h, after precipitates washed with EtOH, obtain particle diameter
It it is the Silicon Containing Hydrogen resin liquid microcapsule of 18 μm.
By the vinyl polysiloxane of 11 mass parts, the isocyanates of 5 mass parts, the emulsifying agent of 2 mass parts, join 130
In the water of mass parts, after carrying out emulsifying 9min with mulser, become emulsion.This emulsion is proceeded in reactor, stirs at blender
Under be slowly added to catalyst trien and the Polyethylene Glycol of 12 mass parts of 0.03 mass parts, stir 10min post-heating
To 70 DEG C.Proceed to, in container, be centrifuged with centrifuge by emulsion after reaction 1h, after precipitates washed with EtOH, obtain particle diameter
It it is the vinyl polysiloxane liquid microcapsule of 20 μm.
2, the preparation of the self-enclosed quantum dot in edge film
By the Silicon Containing Hydrogen resin liquid microcapsule of 3 mass parts, the vinyl polysiloxane liquid microcapsule of 3 mass parts, 1.7 matter
The green quantum dot of amount part, the red quantum point of 0.3 mass parts, the polyacrylate of 40 mass parts, the Carbimide. of 4 mass parts
Ester, the diffusion particle of 15 mass parts, the levelling agent of 0.1 mass parts, 50 mass parts butyl acetate mix homogeneously after be coated on
On water oxygen barrier layer, heating makes butyl acetate volatilize, and matrix resin solidification simultaneously obtains quantum dot layer, then at quantum dot layer table
One layer of organic silicon adhesive of topcoating cloth also bonds upper water oxygen barrier layer, obtains edge self-enclosed quantum dot film after being heating and curing.
3, the detection of border seal effect
The detection method of film edge sealing effect is with embodiment 1, and testing result is shown in Table 1.
Comparative example 8
By the green quantum dot of 1.7 mass parts, the red quantum point of 0.3 mass parts, the polyacrylate of 40 mass parts, 4
The isocyanates of mass parts, the diffusion particle of 15 mass parts, the levelling agent of 0.1 mass parts, the butyl acetate mixing of 50 mass parts
Being coated on water oxygen barrier layer after uniformly, heating makes butyl acetate volatilize, and matrix resin solidification simultaneously obtains quantum dot layer, so
After quantum dot layer surface coating one layer of organic silicon adhesive and bonding on water oxygen barrier layer, obtain edge after being heating and curing self-styled
Close quantum dot film.
The detection method of film is with embodiment 8.
Table 1: the testing result of embodiment border seal effect
Test result indicate that, after degradation, containing the amount of liquid microcapsule of embodiment and corresponding comparative example
The edge color of son point film changes the width in region and is significantly less than the quantum dot film without liquid microcapsule, and by edge certainly
It is simple that closing quantum dot film cuts into technique when the product of display device.
Claims (10)
1. the self-enclosed quantum dot in edge film, it is characterised in that being provided with quantum dot layer, the upper and lower surface at quantum dot layer is equipped with water
Oxygen barrier layer, quantum dot layer is made up of liquid microcapsule, quantum dot, diffusion particle, matrix resin and coalescents, the micro-glue of liquid
Capsule is evenly distributed in quantum dot layer, and described liquid microcapsule is provided with liquid capsule-core, is provided with solid outside liquid capsule-core
Shape cyst wall.
2. as claimed in claim 1 edge self-enclosed quantum dot film, it is characterised in that described matrix resin selected from organic siliconresin,
At least one in polyacrylate, isocyanates, epoxy resin, polyurethane, vistanex, light-cured resin.
3. edge as claimed in claim 1 self-enclosed quantum dot film, it is characterised in that described diffusion particle is selected from organic filler, nothing
At least one in machine particle.
4. edge as claimed in claim 3 self-enclosed quantum dot film, it is characterised in that described diffusion particle uses polymethyl
Acid methyl ester particle and organosilicon particle.
5. edge as claimed in claim 1 self-enclosed quantum dot film, it is characterised in that described coalescents is selected from levelling agent, base material
At least one in wetting agent, crosslinking accelerator, organic solvent.
6. edge as claimed in claim 1 self-enclosed quantum dot film, it is characterised in that described liquid capsule-core is selected from polyester polyols
Alcohol, isocyanates, epoxy resin, polymercaptan, anhydrides compound, aminated compounds, liquid low-molecular polyamide, light
One in solidification resin, Silicon Containing Hydrogen resin, vinyl polysiloxane.
7. edge as claimed in claim 1 self-enclosed quantum dot film, it is characterised in that described solid, shaped cyst wall is selected from polyurethane, gathers
One in acrylate, vistanex, ethylene-vinyl acetate copolymer, amino resins.
8. as claimed in claim 1 edge self-enclosed quantum dot film, it is characterised in that the particle diameter of described liquid microcapsule be 0.1～
20μm。
9. edge as claimed in claim 8 self-enclosed quantum dot film, it is characterised in that the particle diameter of described liquid microcapsule is 1～10
μm。
10. edge as claimed in claim 1 self-enclosed quantum dot film, it is characterised in that described liquid capsule-core uses at least one
Liquid capsule-core.
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| CN201610602617.XA CN106189826B (en) | 2016-07-28 | 2016-07-28 | The self-enclosed quantum dot film in edge |
| PCT/CN2017/091771 WO2018019098A1 (en) | 2016-07-28 | 2017-07-05 | Self-edge-sealing quantum dot film |
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| CN106195780A (en) * | 2016-08-04 | 2016-12-07 | 纳晶科技股份有限公司 | Quantum dot film, its preparation method and there is its backlight module |
| CN106873242A (en) * | 2017-03-30 | 2017-06-20 | 广东普加福光电科技有限公司 | A kind of edge sealing structure of quantum dot fluorescence film |
| CN106905624A (en) * | 2017-03-20 | 2017-06-30 | 厦门玻尔科技有限公司 | A kind of quantum dot film of water oxygen obstructing capacity high and preparation method thereof |
| CN107102384A (en) * | 2017-04-24 | 2017-08-29 | 宁波东旭成新材料科技有限公司 | A kind of quantum dot optical film |
| WO2018019098A1 (en) * | 2016-07-28 | 2018-02-01 | 厦门玻尔科技有限公司 | Self-edge-sealing quantum dot film |
| CN107807473A (en) * | 2017-10-25 | 2018-03-16 | 深圳市华星光电技术有限公司 | Light-converting material encapsulating structure, backlight module and display device |
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| CN111844981A (en) * | 2020-07-20 | 2020-10-30 | 宁波东旭成新材料科技有限公司 | Edge self-sealing quantum dot film |
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| WO2018019098A1 (en) * | 2016-07-28 | 2018-02-01 | 厦门玻尔科技有限公司 | Self-edge-sealing quantum dot film |
| CN106195780A (en) * | 2016-08-04 | 2016-12-07 | 纳晶科技股份有限公司 | Quantum dot film, its preparation method and there is its backlight module |
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| CN107807473A (en) * | 2017-10-25 | 2018-03-16 | 深圳市华星光电技术有限公司 | Light-converting material encapsulating structure, backlight module and display device |
| CN109535836A (en) * | 2018-10-16 | 2019-03-29 | 苏州星烁纳米科技有限公司 | Quantum dot ink and quantum stippling film |
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| WO2018019098A1 (en) | 2018-02-01 |
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