CN107966852A - A kind of Ca-Ti ore type quantum dot film - Google Patents
A kind of Ca-Ti ore type quantum dot film Download PDFInfo
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- CN107966852A CN107966852A CN201711098433.5A CN201711098433A CN107966852A CN 107966852 A CN107966852 A CN 107966852A CN 201711098433 A CN201711098433 A CN 201711098433A CN 107966852 A CN107966852 A CN 107966852A
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- G—PHYSICS
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- 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
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- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/10—Esters of organic acids
- C09D101/12—Cellulose acetate
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
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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
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- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C09D169/00—Coating compositions based on polycarbonates; Coating compositions based on derivatives of polycarbonates
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
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- 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
A kind of Ca-Ti ore type quantum dot film, including transparent base, are coated on the quantum dot layer on one surface of transparent substrate layer, are plated in the barrier layer on quantum dot layer surface, and in the anti-sticking glutinous layer of barrier layer surface, the quantum dot layer is cured by the coating solution of following components to be formed：Ca-Ti ore type quantum dot particle：0.1 part~0.5 part；High molecular polymer：5 parts~25 parts；Solvent：100 parts~200 parts.The Ca-Ti ore type quantum dot film brightness and colour gamut of the present invention is not easy to fail, and has good optical characteristics and longer service life.
Description
Technical field
The present invention relates to quantum dot technical field of membrane, more particularly to a kind of Ca-Ti ore type quantum applied to backlight module
Point film.
Background technology
The development of LCD products is undoubtedly to be developed towards the abundanter direction of ultra-thin, brighter, color.Although LCD shows skill
Art possesses many merits, but one it is very crucial the shortcomings that be exactly that its gamut range is low, that is, the Color Range that can be presented
Very limited, the colour gamut highest of common LCD display only has 72%NTSC.Quanta point material is because of its distinctive performance such as glow peak
It is narrow, luminous efficiency is high, glow color can cover whole visual field from blue light to feux rouges, and excitation purity is high, is made of it
Quantum dot film, possesses high-color rendering, and 30% can be improved by being applied to NTSC color gamut in LCD, reach as high as 110%.
Applied to the LED of backlight module, its produce the method for white light have it is following several：1. the light that blue-ray LED is sent, swashs
Yellow fluorescent powder light is sent out, dichromatism is mixed to form white light；2. it is mixed to form by the light that feux rouges, green light and blue-ray LED are sent white
Light；3. the excitated red and green quantum dot fluorescent material of the light that blue-ray LED is sent, three coloured light are mixed to form white light；It is 4. ultraviolet
Light that light LED is sent is excitated red, green and blue quantum dot fluorescent material, and three coloured light is mixed to form white light.
But since quantum dot opens the sensitiveness of water oxygen, it is necessary to take technological means that quantum dot and water oxygen are completely cut off, mesh
Preceding quantum dot film, mostly encapsulates quantum dot to obstruct water oxygen, it uses the painting in high-resistant diaphragm using upper and lower two high-resistant diaphragms
Cloth cover is coated with quantum dot layer, then bonds high-resistant diaphragm on quantum dot layer, last UV cures, and obtains quantum dot film, i.e.,
" sandwich structure ".There are problems with for the quantum dot film of this class formation：(a) production cost is higher, is unfavorable for marketing；
(b) such quantum dot is II-VI group CdSe class materials, and preparation process is complicated；(c) bond glue and generally use esters of acrylic acid light
Adhesive is learned, this kind of optics gluing agent material surface easily adsorbs steam, have quenching effect to quantum dot light emitting efficiency, with making
With the increase of time, it may appear that edge quantum point failure, influences the stability of quantum dot film.
The content of the invention
In view of this, the object of the present invention is to provide a kind of Ca-Ti ore type quantum dot film, its production cost is relatively low, perovskite
Type quantum dot has the characteristics of luminescences such as Wavelength tunable, emission spectrum be narrow, meanwhile, there is good water proof oxygen barrier property.
The technical solution used in the present invention is：
A kind of Ca-Ti ore type quantum dot film, including transparent base, are coated on the quantum dot layer on one surface of transparent substrate layer,
Be plated in the barrier layer on quantum dot layer surface, barrier layer surface anti-sticking glutinous layer, the quantum dot layer by following components coating
Liquid coating curing forms：
Ca-Ti ore type quantum dot particle：0.1 part~0.5 part；
High molecular polymer：5 parts~25 parts；
Solvent：100 parts~200 parts,
The high molecular polymer is Kynoar, one kind in polyvinyl acetate, cellulose acetate, makrolon
Or it is several, the anti-sticking glutinous layer is formed by diffusion particle, binder, antistatic additive coating.
Above-mentioned Ca-Ti ore type quantum dot film, the high molecular polymer component and ratio are Kynoar:Poly-vinegar acid second
Enester=1:1~1:3rd, Kynoar:Cellulose acetate=1:1.1~1:1.5 or Kynoar:Makrolon=1:2
~1:One kind in 5.
Above-mentioned Ca-Ti ore type quantum dot film, the organic solvent is n,N-Dimethylformamide, dimethyl sulfoxide (DMSO), trimethyl
One kind in phosphate, triethyl phosphate, 1-methyl-2-pyrrolidinone, dimethylacetylamide or N- ethyl acetamides.
Above-mentioned Ca-Ti ore type quantum dot film, the barrier layer are silicon oxide compound, and thickness is 0.5 μm~1 μm.
Above-mentioned Ca-Ti ore type quantum dot film, the diffusion particle are：Polystyrene, polyacrylate, polymethylacrylic acid
Any one of ester, the particle diameter of the diffusion particle is 5 μm~10 μm.
Above-mentioned Ca-Ti ore type quantum dot film, the antistatic additive are ion liquid of quaternaries type antistatic additive.
Above-mentioned Ca-Ti ore type quantum dot film, the binder are polyurethane acrylic resin.
Above-mentioned Ca-Ti ore type quantum dot film, diffusion layer is coated with the another side of the transparent base.
The present invention is compared with prior art：
1st, by selecting high barrier high molecular polymer to be used as quantum dot layer coating fluid main body, quantum dot is wrapped,
Water oxygen can thoroughly be kept apart with quantum dot, so as to effectively prevent the failure of quantum dot film edge；
2nd, 0.5 μm~1 μm silicon oxide compound (SiO is plated on quantum dot layer surface using Vacuum Deposition modex), it can prevent
Water oxygen enters quantum dot layer by high molecular polymer molecular gap, so as to ensure that it has longer service life.
Embodiment
The Ca-Ti ore type quantum dot film of the present invention, including transparent base, are coated on the quantum on one surface of transparent substrate layer
Point layer, is plated in the barrier layer on quantum dot layer surface, in the anti-sticking glutinous layer of barrier layer surface, the quantum dot layer is applied by following components
Cloth, which cures, to be formed：
Ca-Ti ore type quantum dot particle：0.1 part~0.5 part；
High molecular polymer：5 parts~25 parts；
Solvent：100 parts~200 parts.
Ca-Ti ore type quantum dot particle of the present invention is the CH of hybrid inorganic-organic3NH3AX3(A=Ge, Sn, Pb,
Bi,Cu,Mn；X=Cl, Br, I), (RNH3)2AX4(R=long chain organic molecules groups；A=Ge, Sn, Pb, Bi, Cu, Mn；X=
Cl, Br, I) or full-inorganic CsPbX3(X==Cl, Br, I), preferably CH3NH3PbCl3、CH3NH3PbBr3、CH3NH3PbI3、
CH3NH3GeCl3、CH3NH3GeBr3、CH3NH3GeI3、CH3NH3SnCl3、CH3NH3SnBr3、CH3NH3SnI3、CH3NH3BiCl3、
CH3NH3BiBr3、CH3NH3BiI3、CH3NH3CuCl3、CH3NH3CuBr3、CH3NH3CuI3、CH3NH3MnCl3、CH3NH3MnBr3、
CH3NH3MnI3、(C6H5NH3)2PbBr4、(C6H5NH3)2PbCl4、(CH2=CHCH2CH3NH3)2SnI4、CsPbCl3、CsPbBr3、
CsPbI3Any one of, when quantum dot is subject to the excitation of ultraviolet or blue light source, the excitation fluorescence of peculiar wavelength can be sent, its
The fluorescence spectrum of transmitting is made of quanta point material and size determines.Green quantum dot size size described in the quantum dot film of the present invention
For 2nm~5nm.
High molecular polymer component and ratio of the present invention are Kynoar:Polyvinyl acetate=1:1~1:
3rd, Kynoar:Cellulose acetate=1:1.1~1:1.5 or Kynoar:Makrolon=1:2~1:One kind in 5.
Organic solvent of the present invention is N,N-dimethylformamide, dimethyl sulfoxide (DMSO), trimethyl phosphate, tricresyl phosphate
One kind in ethyl ester, 1-methyl-2-pyrrolidinone, dimethylacetylamide or N- ethyl acetamides.
Plating barrier material of the present invention is silicon oxide compound (SiOx), its plating barrier layer mode is：Utilize vacuum
It is vaporized on 0.5 μm~1 μm silicon oxide compound (SiO of plating on the quantum dot layer surfacex), its moisture transmitance is 10-2g/m2·
24h~10-3g/m224h, OTR oxygen transmission rate 10-2ml/m224h~10-3ml/m2·24h。
Diffusion particle of the present invention is polystyrene, one kind in polyacrylate, polymethacrylates, described
The particle diameter of diffusion particle is 5 μm~10 μm.
Antistatic additive of the present invention is ion liquid of quaternaries type antistatic additive.
Binder of the present invention is polyurethane acrylic resin.
With reference to specific embodiment, the invention will be further described.
Embodiment 1
(1) quantum dot layer coating fluid is prepared according to the formula of table 1, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Polyvinyl acetate=1:1；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 0.5 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polystyrene particle, polyurethane acroleic acid tree
Fat, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 5 μm.
1 embodiment of table, 1 quantum dot layer coating fluid formula
| Formula 1 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.1 |
| Kynoar:Polyvinyl acetate=1:1 | 5 |
| N,N-dimethylformamide | 100 |
The another side coating diffusion layer of transparent base in the present embodiment.
Embodiment 2
(1) quantum dot layer coating fluid is prepared according to the formula of table 2, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Polyvinyl acetate=1:2；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 0.6 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polyacrylate particle, polyurethane acroleic acid
Resin, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 6 μm.
2 embodiment of table, 2 quantum dot layer coating fluid formula
| Formula 2 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.2 |
| Kynoar:Polyvinyl acetate=1:2 | 10 |
| Dimethyl sulfoxide (DMSO) | 140 |
The another side coating diffusion layer of transparent base in the present embodiment.
Embodiment 3
(1) quantum dot layer coating fluid is prepared according to the formula of table 3, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Polyvinyl acetate=1:3；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 1 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polymethacrylates particle, polyurethane third
Olefin(e) acid resin, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 10 μm.
3 embodiment of table, 3 quantum dot layer coating fluid formula
| Formula 3 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.5 |
| Kynoar:Polyvinyl acetate=1:3 | 25 |
| Trimethyl phosphate | 200 |
The another side coating diffusion layer of transparent base in the present embodiment.
Embodiment 4
(1) quantum dot layer coating fluid is prepared according to the formula of table 4, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Cellulose acetate=1:1.1；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 0.5 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polyacrylate particle, polyurethane acroleic acid
Resin, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 5 μm.
4 embodiment of table, 4 quantum dot layer coating fluid formula
| Formula 4 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.1 |
| Kynoar:Cellulose acetate=1:1.1 | 5 |
| N,N-dimethylformamide | 100 |
The another side coating diffusion layer of transparent base in the present embodiment.
Embodiment 5
(1) quantum dot layer coating fluid is prepared according to the formula of table 5, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Cellulose acetate=1:1.3；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 0.7 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polymethacrylates particle, polyurethane third
Olefin(e) acid resin, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 7 μm.
5 embodiment of table, 5 quantum dot layer coating fluid formula
| Formula 5 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.3 |
| Kynoar:Cellulose acetate=1:1.3 | 15 |
| Triethyl phosphate | 150 |
The another side coating diffusion layer of transparent base in the present embodiment.
Embodiment 6
(1) quantum dot layer coating fluid is prepared according to the formula of table 6, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Cellulose acetate=1:1.5；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 1 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polystyrene particle, polyurethane acroleic acid tree
Fat, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 10 μm.
6 embodiment of table, 6 quantum dot layer coating fluid formula
| Formula 6 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.5 |
| Kynoar:Cellulose acetate=1:1.5 | 25 |
| 1-methyl-2-pyrrolidinone | 200 |
The another side coating diffusion layer of transparent base in the present embodiment.
Embodiment 7
(1) quantum dot layer coating fluid is prepared according to the formula of table 7, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Makrolon=1:2；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 0.5 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polymethacrylates particle, polyurethane third
Olefin(e) acid resin, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 5 μm.
7 embodiment of table, 7 quantum dot layer coating fluid formula
| Formula 7 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.1 |
| Kynoar:Makrolon=1:2 | 5 |
| N,N-dimethylformamide | 100 |
Embodiment 8
(1) quantum dot layer coating fluid is prepared according to the formula of table 8, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Makrolon=1:3；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 0.8 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polystyrene particle, polyurethane acroleic acid tree
Fat, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 8 μm.
8 embodiment of table, 8 quantum dot layer coating fluid formula
| Formula 8 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.4 |
| Kynoar:Makrolon=1:3 | 20 |
| Dimethylacetylamide | 160 |
The another side coating diffusion layer of transparent base in the present embodiment.
Embodiment 9
(1) quantum dot layer coating fluid is prepared according to the formula of table 9, wherein high molecular polymer component and ratio is to gather inclined fluorine
Ethene:Makrolon=1:5；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) barrier layer is plated on the quantum dot layer that previous step obtains, barrier material is silicon oxide compound (SiOx), it is thick
Spend for 1 μm；
(4) one layer of anti-sticking glutinous layer finally is coated with barrier layer, anti-sticking glutinous layer is by polyacrylate particle, polyurethane acroleic acid
Resin, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 10 μm.
9 embodiment of table, 9 quantum dot layer coating fluid formula
| Formula 9 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.5 |
| Kynoar:Makrolon=1:5 | 25 |
| N- ethyl acetamides | 200 |
The another side coating diffusion layer of transparent base in the present embodiment.
Comparative example
(1) quantum dot layer coating fluid is prepared according to the formula of table 10, wherein high molecular polymer is only Kynoar；
(2) by quantum dot layer coating solution on transparent base, 70 DEG C are heating and curing, spare after film forming；
(3) on the quantum dot layer that previous step obtains be coated with one layer of anti-sticking glutinous layer, anti-sticking glutinous layer by polystyrene particle,
Polyurethane acrylic resin, ionic liquid type antistatic agent coating form, and the diffusion particle particle diameter is 5 μm.
10 embodiment of table, 10 quantum dot layer coating fluid formula
| Formula 10 | Dosage/g |
| Ca-Ti ore type quantum dot particle | 0.1 |
| Kynoar | 5 |
| N,N-dimethylformamide | 100 |
The another side coating diffusion layer of transparent base in this comparative example.
The prepared quantum dot membrane sample performance of test is as in the table below：
Test method：
Surface impedance test is according to GB/T1410-2006 standard testings.
The condition of test brightness and colour gamut is：Operating voltage voltage is used as 27V, operating current is 80mA blue LED lamps
Bar outer package red fluorescence powder is backlight excitation source, and blue light peak wavelength 448nm, backlight screen size is 14 inches, is used
SR-3AR TOPCON brightness photometers, the brightness of the quantum dot membrane sample display screen prepared by the test present invention and colour gamut.
Weatherability test conditions are：60 DEG C, 90%RH continue 1000 it is small when.Quantum dot membrane sample is loaded into backlight module
In, it is put into weathering test case and is tested.
Each embodiment performance data of table 11
The quantum dot film prepared it can be seen from 1~9 test data of embodiment using the present invention, weather resistance is good, amount
Before and after son point membrane sample is by reliability experiment, brightness decay amplitude is less than 5%, and colour gamut attenuation amplitude is less than 5%, the amount of maintaining
The high color gamut performance of son point film display screen, while antistatic effect is without significant change.
Comparative example mainly investigates quantum dot layer formula high molecular polymer and whether there is influence of the plating barrier layer to quantum dot film.
From test data as can be seen that weatherability is undesirable, brightness and colour gamut decline more after reliability is tested, while quantum dot
Film is without antistatic effect.
Claims (8)
1. a kind of Ca-Ti ore type quantum dot film, including transparent base, are coated on the quantum dot layer on one surface of transparent substrate layer, plating
Barrier layer on quantum dot layer surface, in the anti-sticking glutinous layer of barrier layer surface, it is characterised in that the quantum dot layer is by with the following group
The coating solution divided, which cures, to be formed：
Ca-Ti ore type quantum dot particle：0.1 part~0.5 part；
High molecular polymer：5 parts~25 parts；
Solvent：100 parts~200 parts,
The high molecular polymer is Kynoar, polyvinyl acetate, cellulose acetate, one kind in makrolon or several
Kind, the anti-sticking glutinous layer is formed by diffusion particle, binder, antistatic additive coating.
2. Ca-Ti ore type quantum dot film according to claim 1, it is characterised in that the high molecular polymer component and ratio
Example is Kynoar:Polyvinyl acetate=1:1~1:3rd, Kynoar:Cellulose acetate=1:1.1~1:1.5 or poly-
Vinylidene:Makrolon=1:2~1:One kind in 5.
3. Ca-Ti ore type quantum dot film according to claim 1, it is characterised in that the organic solvent is N, N- dimethyl
Formamide, dimethyl sulfoxide (DMSO), trimethyl phosphate, triethyl phosphate, 1-methyl-2-pyrrolidinone, dimethylacetylamide or N- ethyls
One kind in acetamide.
4. Ca-Ti ore type quantum dot film according to claim 3, it is characterised in that the barrier layer is silicon oxide compound,
Thickness is 0.5 μm~1 μm.
5. Ca-Ti ore type quantum dot film according to claim 4, it is characterised in that the diffusion particle is：Polystyrene,
Any one of polyacrylate, polymethacrylates, the particle diameter of the diffusion particle is 5 μm~10 μm.
6. Ca-Ti ore type quantum dot film according to claim 5, it is characterised in that the antistatic additive for quaternary ammonium salt from
Sub- liquid-type antistatic additive.
7. Ca-Ti ore type quantum dot film according to claim 6, it is characterised in that the binder is polyurethane acroleic acid
Resin.
8. Ca-Ti ore type quantum dot film according to claim 7, it is characterised in that applied in the another side of the transparent base
Cloth diffusion layer.
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