CN108873534A - A kind of function film and preparation method thereof of blu-ray reflection red-green glow - Google Patents
A kind of function film and preparation method thereof of blu-ray reflection red-green glow Download PDFInfo
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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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13718—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal
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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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- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133788—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by light irradiation, e.g. linearly polarised light photo-polymerisation
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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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- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13775—Polymer-stabilized liquid crystal layers
Abstract
The present invention relates to optical thin film, in particular to the function film and preparation method thereof of a kind of saturating blu-ray reflection red-green glow for quantum dot display field.In order to improve the utilization rate for the red-green glow that the red green quantum dot in blue light source excitation quantum dot film obtains, the present invention provides a kind of function film and preparation method thereof of blu-ray reflection red-green glow.The function film of the blu-ray reflection red-green glow successively includes resistance to scratch layers, base's material, priming coat and functional layer.Functional layer is by cholesteric liquid crystal molecules, chiral agent, photoinitiator and polymerization inhibitor composition.By the blue light through 380-500nm of the screw pitch property of can choose of the cholesteryl liquid crystal formed in control functional layer, while the red-green glow of 500-800nm wave band is reflected, plays the effect of the saturating blue light and reflection red-green glow of selectivity very well.The function film of blu-ray reflection red-green glow provided by the invention can not only selective light transmission blue light and reflection red-green glow, but also there are the excellent optical properties such as high scratch resistance and high light transmittance.
Description
Technical field
The present invention relates to optical thin films, anti-more particularly, to a kind of a kind of blue light for quantum dot display field
Penetrate the function film and preparation method thereof of red-green glow.
Background technique
Quantum dot TV is a kind of TV for applying technology of quantum dots backlight, identical as traditional LCD display technology,
Quantum dot is shown and the display device of non-luminescent property, needs to provide light by backlight module.The difference of the two is, passes
System LCD uses white light as light source, and quantum dot liquid crystal display needs blue light to excite the red green quantum in quantum dot film
Point is to obtain red-green glow, is the purest by the light source that quantum dot excites to form the white light source of red green blue tricolor
Backlight, revolutionary realization full gamut are shown, most really restore image color.
However, it is mixed and disorderly nothing that blue light source, which excites the direction of the red-green glow obtained after the red green quantum dot in quantum dot film,
Sequence, the direction of the red-green glow of some excitations emits together along excitation blue light direction, is received by the external world, is formed effective
Light source；But the red-green glow of also some excitations is contrary with excitation blue light, is scattered back inside lamp chamber, cannot be connect by the external world
It receives, to cause the waste of red-green glow, is unfavorable for the promotion that quantum dot shows energy efficiency of equipment.In order to improve quantum dot film
Luminous efficiency, traditional method are the intensity for reinforcing blue light source, this will necessarily further result in the waste of the energy, be unfavorable for quantum
Point film promotes and applies, especially in the mobile display field for requiring low energy consumption.
In conclusion it is thin how effectively to improve blue light source excitation quantum dot under the premise for guaranteeing high color gamut value
The utilization rate for the red-green glow that film obtains, reducing the energy consumption that quantum dot is shown is one project urgently to be solved of field of optical films,
Popularization and application to quantum dot film in mobile display field are of great significance.
Summary of the invention
In order to improve the utilization rate for the red-green glow that the red green quantum dot in blue light source excitation quantum dot film obtains, this hair
It is bright that a kind of function film and preparation method thereof of blu-ray reflection red-green glow is provided.Blu-ray reflection red-green glow provided by the invention
Function film can not only selectivity the blue light through 380-500nm, while can efficiently reflect 500-800nm wave band
Red-green glow, play very well selectivity thoroughly blue light and reflection red-green glow effect, improve blue light source excitation quantum dot film
In the obtained utilization rate of red-green glow of red green quantum dot, reduce the energy consumption that quantum dot is shown, and there is high scratch resistance and height
The optics excellent properties such as translucency.The preparation method environmental protection of the function film of blu-ray reflection red-green glow provided by the invention is without dirt
Dye, simple and easy, the value with industrialized production.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical solutions：
The present invention provides a kind of function film of blu-ray reflection red-green glow, and the function of the blu-ray reflection red-green glow is thin
Film successively includes resistance to scratch layers, substrate layer, priming coat and functional layer.
Further, the functional layer is cholesteryl liquid crystal coating.
Further, the functional layer includes cholesteric liquid crystal molecules.
Further, the raw material of the functional layer includes cholesteric liquid crystal molecules and chiral agent.
Further, the raw material of the functional layer includes cholesteric liquid crystal molecules, chiral agent, photoinitiator and polymerization inhibitor.
Further, the functional layer is by cholesteric liquid crystal molecules, chiral agent, photoinitiator and polymerization inhibitor composition.
Further, the functional layer includes following components：Cholesteric liquid crystal molecules 85-98 parts by weight；Chiral agent
0.5-5 parts by weight, photoinitiator 1-10 parts by weight and polymerization inhibitor 0.1-0.5 parts by weight；The cholesteric liquid crystal molecules, it is chiral
The total number of agent and photoinitiator is 100 parts by weight.
The functional layer is cholesteryl liquid crystal coating；The cholesteryl liquid crystal coating can choose by adjusting screw pitch
The blue light through 380-500nm of property, while the red-green glow of 500-800nm wave band can be efficiently reflected, play fine selection
Property saturating blue light and reflection red-green glow effect.
Further, the cholesteric liquid crystal molecules are selected from the cholesteric liquid crystal molecules with acrylic double bond.
The cholesteric liquid crystal molecules preferably have the cholesteric liquid an of acrylic double bond or two acrylic double bonds
Brilliant molecule.
The chiral agent is selected from the chipal compounds with acrylic double bond.
Further, the function film of the blu-ray reflection red-green glow is by base's material, resistance to scratch layers, priming coat and functional layer
It constitutes；Resistance to scratch layers are arranged in the one side of the substrate layer, and priming coat is arranged in the another side of the substrate layer；The priming coat another side
Functional layer is set.
The functional layer is grouped as by following groups：Cholesteric liquid crystal molecules 85-98 parts by weight；Chiral agent 0.5-5 weight
Part, photoinitiator 1-10 parts by weight and polymerization inhibitor 0.1-0.5 parts by weight.
Further, cholesteric liquid crystal molecules in the function layer component, the total weight parts of chiral agent and photoinitiator
Number is 100 parts.
Further, in the preparation process of the function film of saturating blu-ray reflection red-green glow, the material of the functional layer is first
It is configured to functional layer coating fluid, the functional layer coating fluid includes cholesteric liquid crystal molecules 85-98 parts by weight；Chiral agent 0.5-5
Parts by weight, photoinitiator 1-10 parts by weight and polymerization inhibitor 0.1-0.5 parts by weight, organic solvent several pieces；Wherein, cholesteryl liquid crystal
The total weight number of molecule, chiral agent and photoinitiator is 100 parts.
Further, the functional layer coating fluid includes the organic solvent of 150-300 parts by weight.
Further, the functional layer coating fluid includes the organic solvent of 150-233 parts by weight.
Further, the functional layer coating fluid includes the organic solvent of 180-210 parts by weight.
Further, the functional layer coating fluid includes the organic solvent of 200 parts by weight.
The functional layer is cholesteryl liquid crystal coating；The cholesteryl liquid crystal coating is available by formula adjustment
Specific screw pitch, the blue light through 380-500nm for the property of can choose, while can efficiently reflect 500-800nm wave band
Red-green glow.
Further, the substrate layer material is selected from polycarbonate (PC), polyethylene terephthalate (PET), gathers
Amide resin (PA), polystyrene (PS), polyethylene (PE), polypropylene (PP), one in polymethyl methacrylate (PMMA)
Kind；Preferably, the substrate layer material is selected from polyethylene terephthalate (PET), polystyrene (PS) and polyethylene
One of (PE) or at least two combination.
Further, the substrate layer with a thickness of 1-300 μm；Optimization, the substrate layer with a thickness of 25-200 μ
m。
The resistance to scratch layers are coated on the one side of substrate layer, and the effect of the resistance to scratch layers avoids blu-ray reflection red-green glow
Function film generates surface scratching scratch because of scraping in application process to be influenced to use.The resistance to scratch layers are solidified by ultraviolet light
The coating fluid that coating, photoinitiator and auxiliary agent form according to a certain percentage is formed through ultraviolet curing.
Further, the coating of resistance to scratch layers with a thickness of 1-6 μm.
Further, the coating fluid of resistance to scratch layers is well known commercial product, and what is enumerated can be：The fining of Guangzhou Dezhou
The 1551AP model of work Co., Ltd production hardens coating fluid, and the UV1400 model that Hua Xuan speciality chemical Co., Ltd provides is hard
Change coating fluid, the hardening coating of the models such as UV-8385, UV-8300 and UV-8380 that Xiamen Zhuo Yao Science and Technology Ltd. provides
Liquid.
The priming coat is coated on the another side of substrate layer, and the effect of the priming coat is to carry out friction orientation, favorably
In the orderly orientations of cholesteric liquid crystal molecules, increase the penetrability of light, is conducive to the light transmittance for improving protective film.
Further, the priming coat with a thickness of 1-5 μm.Further, the priming coat with a thickness of 2-3 μ
m。
Further, the material of the priming coat is selected from polyimides, polyamide, polysiloxanes, polyurethane, polypropylene
Acid esters, one of epoxy resin or at least two combination.Preferably, the material of the priming coat is polyimides, is gathered
One of urethane and polyacrylate or at least two combination.
The another side of priming coat is arranged in the functional layer, and the effect of the functional layer is selective through 380-
The blue light of 500nm, while the red-green glow of efficient reflection 500-800nm wave band.
Further, the functional layer is made of materials described below：Cholesteric liquid crystal molecules 85-98 parts by weight；Chiral agent
0.5-5 parts by weight, photoinitiator 1-10 parts by weight and polymerization inhibitor 0.1-0.5 parts by weight.
Further, the cholesteric liquid crystal molecules are selected from the cholesteric liquid crystal molecules with acrylic double bond.Into one
Step, the cholesteric liquid crystal molecules are in the cholesteric liquid crystal molecules with structural formula a, structural formula b or structural formula c
One kind or at least two combination.Wherein the m in structural formula a is the integer of 0-8；Wherein the n in structural formula b is the whole of 0-7
Number；Wherein the x in structural formula c and y is respectively the integer of 0-7.
Structural formula a
Structural formula b
Structural formula c
Further, the chiral agent is the chipal compounds with acrylic double bond.Further, the chirality
Agent is selected from the combination of one of chiral agent with structural formula e or structural formula f or at least two.Wherein, the p in structural formula e
For the integer of 0-7；Wherein, the n in structural formula f is the integer of 0-8.
Structural formula e
Structural formula f
Further, the photoinitiator is selected from 2- hydroxy-methyl phenyl-propane -1- ketone (photoinitiator 1173), 1-
Hydroxy-cyclohexyl phenyl ketone (photoinitiator 184), (light draws 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-1- acetone
Send out agent 907), benzoin dimethylether (photoinitiator 651), 2,4,6- trimethyl benzoyl diphenyl base phosphine oxide benzophenone
One of (photoinitiator b P), 2,4,6- trimethylbenzoy-dipheny phosphine oxide (photoinitiator TPO) or at least two
Combination.
Further, the polymerization inhibitor is selected from hydroquinone, methylnaphthohydroquinone, p-hydroxyanisole or 2- tert-butyl to benzene
One of diphenol or at least two mixture.
Further, the functional layer with a thickness of 1-6 μm.
Further, in the function film of the blu-ray reflection red-green glow, the thickness of substrate layer is preferably 25-200 μm,
The thickness of resistance to scratch layers is preferably 2-4 μm, and the thickness of priming coat is preferably 2-3 μm, and the thickness of functional layer is preferably 2-4 μm.
Further, the functional layer includes following components：Cholesteric liquid crystal molecules 90-95 parts by weight；Chiral agent 1-3
Parts by weight, photoinitiator 4-7 parts by weight and polymerization inhibitor 0.2-0.3 parts by weight.
Further, the m=4-8 in structural formula a；N=6-7 in structural formula b；X=5-6 in structural formula c, y=7；
P=4-7 in structural formula e；Q=6-8 in structural formula f.(preceding solution includes embodiment 4-7 and embodiment 9.)
Further, in the function film of the blu-ray reflection red-green glow, the thickness of substrate layer is preferably 25-75 μm,
The thickness of resistance to scratch layers is preferably 3-4 μm, and the thickness of priming coat is preferably 2-3 μm, and the thickness of functional layer is preferably 3 μm.
Further, the functional layer includes following components：Cholesteric liquid crystal molecules 91-93 parts by weight；Chiral agent 2-3
Parts by weight, 0.2 parts by weight of photoinitiator 4-5 parts by weight and polymerization inhibitor.
Further, the m=6-8 in structural formula a；N=6 in structural formula b；X=6 in structural formula c, y=7；Structure
P=4-7 in formula e；Q=6 in structural formula f.(preceding solution includes embodiment 6 and embodiment 7.)
Cholesteryl liquid crystal selective reflecting is utilized in the principle of the saturating blu-ray reflection red-green glow of functional layer of the invention
Principle.For cholesteric liquid crystal molecules the characteristics of hierarchal arrangement is presented in structure, molecular long axis is parallel to layer plane, and molecule is big in layer
Cause arranged along director orientation, the long-range ordered orientation as nematic liquid crystal and it is orderly without position.In asymmetric chiral knot
Under the influence of structure, the director orientation between adjacent layer successively regularly rotates by a certain angle, continuously equal along normal direction
Even distortion, is rotated into helicoidal structure layer by layer.The director orientation of liquid crystal molecule is replied after being rotated by 360 ° initially to take in layer
To state, this periodic interlamellar spacing is known as screw pitch (P).The periodic helical structure of cholesteryl liquid crystal can produce incident ray
Raw Bragg reflection.When the cholesteryl liquid crystal of light vertical incidence planar texture, reflected light center wave band wavelength X and screw pitch are closed
System is：λ=n P；Wave wide scope Δ λ=Δ n P of reflection；Wherein, n and Δ n be respectively liquid crystal material mean refractive index and
Birefringence is the basic physical properties of liquid crystal material, is basically unchanged.Present invention design mixes hand in cholesteric liquid crystal molecules
Property compound, that is, chiral agent adjusts the size of screw pitch, to realize the effect of blu-ray reflection red-green glow.
The present invention also provides the application of the function film film of the saturating blu-ray reflection red-green glow, the blu-ray reflection is red
The function film of green light is applied to quantum dot display field, plays the red green quantum improved in blue light source excitation quantum dot film
The utilization rate for the red-green glow that point obtains reduces the function for the energy consumption that quantum dot is shown.
The present invention also provides a kind of method of function film for preparing blu-ray reflection red-green glow, the preparation method includes
Following steps：
(1) resistance to scratch layers are obtained after the coated on one side coating fluid of resistance to scratch layers of substrate layer, ultraviolet light solidification；
(2) in the another side painting bottom coating coating fluid of substrate layer, after being heating and curing, priming coat is made；
(3) friction is oriented to base coating surface with flannelette rod, base coating surface is made to generate direction one after friction
The groove (director) of cause；
(4) solidify after base coating surface coating function layer coating fluid, heating surface drying by ultraviolet light and functional layer is made；I.e.
The function film of blu-ray reflection red-green glow is made.
Further, the functional layer coating fluid includes following components：
The functional layer coating fluid is composed of the following components：
Cholesteric liquid crystal molecules：85-98 parts by weight；
Chiral agent：0.5-5 parts by weight,
Photoinitiator：1-10 parts by weight,
Polymerization inhibitor：0.1-0.5 parts by weight,
Organic solvent：In right amount,
Further, the solid content of the functional layer coating fluid is 30%-45%.
Further, organic solvent described in step (4) can be for there are commonly solvent, what is enumerated can be fourth
Ketone, cyclohexanone, ethyl acetate, one of butyl acetate or n-butanol or at least two combination.
Further, in step (4), first each component in functional layer coating fluid is weighed after adding by weight, is stirred
Mixing half an hour is configured to finely dispersed functional layer coating fluid.The temperature of the baking oven is 60 DEG C -100 DEG C, and baking time is
30-100 seconds.
Pass through the indigo plant through 380-500nm of the screw pitch property of can choose of the cholesteryl liquid crystal formed in control functional layer
Light, while the red-green glow of 500-800nm wave band can be efficiently reflected, play the saturating blue light of selectivity well and reflection red-green glow
Effect.The function film of blu-ray reflection red-green glow provided by the invention has not only reached in raising quantum dot film after excitation
Red-green glow utilization rate effect, but also there are the excellent optical properties such as high scratch resistance and high light transmittance.
The function film of blu-ray reflection red-green glow provided by the invention is by base's material, resistance to scratch layers, priming coat and functional layer
It constitutes；Resistance to scratch layers can play the role of preventing surface scratches in use；Priming coat is mainly friction orientation, is conducive to
Liquid crystal aligning ordered arrangement is conducive to the transparency for improving the function film of blu-ray reflection red-green glow；Functional layer, which has, passes through tune
Chiral agent and cholesteric liquid crystal molecules ratio in whole formula adjust the pitch size of cholesteryl liquid crystal obtained, so as to
The effect through blu-ray reflection red-green glow of selectivity.The function film method of blu-ray reflection red-green glow provided by the invention is adopted
It is prepared with the optics film coating process of current maturation, simple process is mature, meets the condition of industrial mass production.Simultaneously
The function film of blu-ray reflection red-green glow provided by the invention can significantly improve quantum in quantum dot display field in use
The utilization rate of red-green glow after point film excitation, improves display brightness, reduces energy consumption, is conducive to quantum dot film and shows mobile
The popularization and application in field.
Compared with prior art, the function film of blu-ray reflection red-green glow provided by the invention is shown applied to quantum dot
In, there is apparent advantage compared with the mode of the luminous efficiency of traditional raising quantum dot film, overcome blue light well
The utilization rate for the red-green glow that light source activation quantum dot film obtains is low, the high disadvantage of energy consumption.Meanwhile blue light provided by the invention
The function film preparation method simple process of red-green glow is reflected, easily operated, the environment-friendly advantage also polluted with heavy metal free.
The function film of blu-ray reflection red-green glow provided by the invention is a kind of high scratch resistance, and high light transmittance is alternative
Through the new function film of blu-ray reflection red-green glow, it is suitable for optics display field, especially suitable for quantum dot display field
It uses, but is not limited to product listed above.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the function film of blu-ray reflection red-green glow prepared by the present invention；
Fig. 2 is the schematic diagram that blue light source excites red green quantum dot in quantum dot film；
Fig. 3 is that a kind of function film of blu-ray reflection red-green glow prepared by the present invention applies the back in quantum dot is shown
Structural schematic diagram in optical mode group.
Specific embodiment：
Below with reference to examples and drawings, the invention will be further elaborated, and following embodiment is to of the invention detailed
It describes in detail bright, is not the restriction to the claimed range of the present invention.The method is conventional method unless otherwise instructed.It is described
Raw material are commercial product unless otherwise instructed.
As shown in Figure 1, a kind of function film of blu-ray reflection red-green glow prepared by the present invention successively includes resistance to scratch layers
101, transparent substrate layer 102, priming coat 103 and functional layer 104.
As shown in Fig. 2, blue light source excites the schematic diagram of red green quantum dot in quantum dot film, quantum dot film 202 is wrapped
Include red quantum dot 201 and green quantum dot 203.
As shown in figure 3, a kind of function film of blu-ray reflection red-green glow prepared by the present invention is applied and is shown in quantum dot
In backlight module successively include liquid-crystalline glasses 301, prism film 302, prism film 303, quantum dot film 304, the present invention provides
Function film 305, light guide plate 306 and blue light source 307.
The direction for the red-green glow that the red green quantum dot in blue light source excitation quantum dot film obtains as can be seen from Figure 2 is
Random unordered, part red-green glow is along the direction of excitation blue light, some red-green glow is and the side that excites blue light
To opposite.The function film of blu-ray reflection red-green glow provided by the invention is placed on leading in quantum dot display backlight mould group
Position (such as Fig. 3) between tabula rasa and quantum dot film can both allow excitation blue light to pass through and reach quantum dot film in turn
Red green quantum dot in excitation quantum dot film obtains red-green glow, and can effectively reflect excitation obtains and excitation blue light direction
Opposite red-green glow makes this part red-green glow become efficient light sources, can obviously mention to change the direction of this part red-green glow
The utilization rate of high red-green glow.
The present invention relates to the evaluations of the function film optical property of the saturating blu-ray reflection red-green glow to preparation.Required material
Material and equipment are current material and equipment.
The preparation method of the function film of blu-ray reflection red-green glow provided by the invention includes the following steps：
(1) resistance to scratch layers are obtained after the coated on one side coating fluid of resistance to scratch layers of substrate layer, ultraviolet light solidification；
(2) in the another side painting bottom coating coating fluid of substrate layer, after being heating and curing, priming coat is made；
(3) friction is oriented to base coating surface with flannelette rod, so that base coating surface is generated groove after friction and takes
To；
(4) the base coating surface coating function layer coating fluid after rubbing, baking oven heat after making coating surface drying by ultraviolet light
Solidify and functional layer is made；Obtain the function film of blu-ray reflection red-green glow.
The functional layer coating fluid is composed of the following components：
Cholesteric liquid crystal molecules：85-98 parts by weight；
Chiral agent：0.5-5 parts by weight,
Photoinitiator：1-10 parts by weight,
Polymerization inhibitor：0.1-0.5 parts by weight,
Organic solvent：Several pieces,
Said components are weighed to be added in organic solvent to stir evenly by weight and are configured to quality solid content as 30%-45%
Functional layer coating fluid.
Further, organic solvent described in step (4) can be for there are commonly solvents.Described in step (4)
Organic solvent can be butanone, cyclohexanone, ethyl acetate, one of butyl acetate and n-butanol or at least two combination.
Further, in step (4), each component in functional layer coating fluid is weighed by weight ratio first and is added
Afterwards, stirring half an hour is configured to finely dispersed functional layer coating fluid.Functional layer coating fluid is coated on the surface shape of priming coat
It after functional layer coating, is heated using baking oven, the temperature of the baking oven is 60 DEG C -100 DEG C, and baking time is 30-100 seconds.It
Afterwards, functional layer coating is solidified using ultraviolet light, obtains functional layer after solidification.
The function film for the saturating blu-ray reflection red-green glow that the embodiment of the present invention and comparative example provide is tested in the following manner
Major optical performance.
1, blue light transmittance is tested：The function film for taking the blu-ray reflection red-green glow to be measured of an A4, it is saturating to be put into blue light
Its blue light transmittance is measured in light rate tester (SDR852).
2, luminance gain is tested：The brightness value for testing the specified lower 20 cun of quantum dot backlight modules of framework first, as benchmark
Brightness value, test voltage 24V, test equipment are luminance meter (BH-7)；Then the blu-ray reflection to be measured of an A4 size is taken
The function film of red-green glow is put into the designated position (as shown in Figure 3) of quantum dot backlight module, after testing gain under similarity condition
Brightness value；Brightness value after gain is luminance gain (percentage expression) divided by Benchmark brightness value size.
3, resistance to scratch layers hardness test：According to national standard method GB/T6739-1996, prepared using measuring pencil durometer
Saturating blu-ray reflection red-green glow the resistance to scratch layers of function film hardness.Pencil hardness grade from soft to hard is respectively：6B,5B,
4B,3B,2B,B,HB,H,2H,3H,4H,5H,6H.Pencil hardness higher grade, shows that the scratch resistance performance of resistance to scratch layers is better.
4, red-green glow isolation rate is tested：One 5 cun of anti-blue light diaphragm to be measured is taken to be put into test wavelength in spectrophotometer
For the barrier situation of the red-green glow of 500nm-800nm.Test result is the ratio for the red-green glow reflection that wavelength is 500nm-800nm
(ratio that the red-green glow amount of reflection accounts for the red-green glow total amount being irradiated on functional membrane), referred to as red-green glow isolation rate.Red-green glow every
Exhausted rate is higher, illustrates that the red-green glow of reflection is more, the effect for reflecting red-green glow is better.
Embodiment 1
A kind of function film of blu-ray reflection red-green glow provided by the invention, the protective film successively include resistance to scratch layers,
Base's material, priming coat and functional layer.
The preparation method of the function film of the saturating blu-ray reflection red-green glow includes the following steps：
(1) resistance to scratch layers are obtained after the coated on one side coating fluid of resistance to scratch layers of substrate layer, ultraviolet light solidification；
(2) in the another side painting bottom coating coating fluid of substrate layer, after being heating and curing, priming coat is made；
(3) friction is oriented to base coating surface with flannelette rod, so that base coating surface is generated groove after friction and takes
To；
(4) the base coating surface coating function layer coating fluid after rubbing, baking oven heat after making coating surface drying by ultraviolet light
Solidify and functional layer is made；Obtain the function film of blu-ray reflection red-green glow.
Wherein, substrate layer is PET material, with a thickness of 100 μm；The coating layer thickness of resistance to scratch layers is 3 μm；Priming coat material is epoxy
Resin, coating layer thickness are 5 μm；Functional layer coating layer thickness is 1 μm.
Wherein the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is a, wherein m=0, and parts by weight are 98 parts by weight；The structural formula of chiral agent
For e, wherein p=0, parts by weight are 1 parts by weight；Photoinitiator is 2- hydroxy-methyl phenyl-propane -1- ketone (1173), weight
Number is 1 parts by weight；Polymerization inhibitor is hydroquinone, and parts by weight are 0.5 parts by weight；Organic solvent is cyclohexanone, parts by weight
For 233 parts by weight.
Said components are weighed to be added in organic solvent to stir evenly by weight and are configured to the function that quality solid content is 30%
Ergosphere coating fluid, which is coated on priming coat after ultraviolet light solidifies, is made functional layer.
Embodiment 2
The function film of blu-ray reflection red-green glow, the substrate layer are PMMA material, thickness thoroughly as described in Example 1
It is 1 μm；The coating layer thickness of resistance to scratch layers is 1 μm；Priming coat material is polyurethane, and coating layer thickness is 1 μm；Functional layer coating layer thickness is 2 μ
m。
Wherein, the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is b, wherein n=0, and parts by weight are 85 parts by weight；The structural formula of chiral agent
For f, wherein q=3, parts by weight are 5 parts by weight；Photoinitiator is 2,4,6- trimethylbenzoy-dipheny phosphine oxide
(TPO), parts by weight are 10 parts by weight；Polymerization inhibitor is methylnaphthohydroquinone, and parts by weight are 0.1 parts by weight；Organic solvent is hexamethylene
Ketone, parts by weight are 200 parts by weight.
Embodiment 3
The function film of blu-ray reflection red-green glow, the substrate layer are PP material thoroughly as described in Example 1, with a thickness of
300μm；The coating layer thickness of resistance to scratch layers is 6 μm；Priming coat material is epoxy resin, and coating layer thickness is 5 μm；Functional layer coating layer thickness is
6μm。
Wherein, the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is c, wherein x=3, y=3, and parts by weight are 88 parts by weight；Chiral agent is two
The combination of kind chipal compounds, one of structural formula are e, wherein p=4, and parts by weight are 3 parts by weight；Another structure
Formula is f, wherein q=3, and parts by weight are 1 parts by weight；Photoinitiator is 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-
1- acetone (907), parts by weight are 8 parts by weight；Polymerization inhibitor is p-hydroxyanisole, and parts by weight are 0.5 parts by weight；It is organic molten
Agent is butanone, and parts by weight are 150 parts by weight.
Embodiment 4
The function film of blu-ray reflection red-green glow, the substrate layer are PE material thoroughly as described in Example 1, with a thickness of
75μm；The coating layer thickness of resistance to scratch layers is 3 μm；Priming coat material is polyurethane, and coating layer thickness is 2 μm；Functional layer coating layer thickness is 3 μ
m。
Wherein, the functional layer coating fluid is composed of the following components：
Cholesteric liquid crystal molecules are the combination of two kinds of cholesteric liquid crystal molecules, and one of structural formula is a, wherein m=
6, parts by weight are 40 parts by weight；Another structural formula is a, wherein m=7, and parts by weight are 50 parts by weight；The knot of chiral agent
Structure formula is f, wherein q=8, and parts by weight are 3 parts by weight；Photoinitiator is 2- hydroxy-methyl phenyl-propane -1- ketone (1173),
Parts by weight are 7 parts by weight；Polymerization inhibitor is hydroquinone, and parts by weight are 0.3 parts by weight；Organic solvent is butyl acetate, weight
Amount number is 190 parts by weight.
Embodiment 5
The function film of blu-ray reflection red-green glow, the substrate layer are PET material, thickness thoroughly as described in Example 1
It is 200 μm；The coating layer thickness of resistance to scratch layers is 2 μm；Priming coat material is polyimides, and coating layer thickness is 3 μm；Functional layer coating layer thickness
It is 4 μm.
Wherein, the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is b, wherein n=7, and parts by weight are 94 parts by weight；Chiral agent is two kinds of hands
Property compound combination, one of structural formula is e, and wherein p=5, parts by weight are 0.5 parts by weight；Another structural formula
For f, wherein q=8, parts by weight are 1.5 parts by weight；Photoinitiator is 1- hydroxy-cyclohexyl phenyl ketone (184), parts by weight
For 4 parts by weight；Polymerization inhibitor is p-hydroxyanisole, and parts by weight are 0.3 parts by weight；Organic solvent is butyl acetate, parts by weight
Number is 180 parts by weight.
Embodiment 6
The function film of blu-ray reflection red-green glow, the substrate layer are PET material, thickness thoroughly as described in Example 1
It is 75 μm；The coating layer thickness of resistance to scratch layers is 3 μm；Priming coat material is polyimides, and coating layer thickness is 2 μm；Functional layer coating layer thickness
It is 2 μm.
Wherein, the functional layer coating fluid is composed of the following components：
Cholesteric liquid crystal molecules are the combination of two kinds of cholesteric liquid crystal molecules, and one of structural formula is a, wherein m=
6, parts by weight are 23 parts by weight；Another structural formula is c, wherein x=6, y=7, and parts by weight are 70 parts by weight；It is chiral
Agent is the combination of two kinds of chipal compounds, and one of structural formula is e, wherein p=7, and parts by weight are 1 parts by weight；It is another
Structural formula be f, wherein q=6, parts by weight are 1 parts by weight；Photoinitiator is 1- hydroxy-cyclohexyl phenyl ketone (184), weight
Amount number is 5 parts by weight；Polymerization inhibitor is hydroquinone, and parts by weight are 0.2 parts by weight；Organic solvent is cyclohexanone, parts by weight
Number is 200 parts by weight.
Embodiment 7
The function film of blu-ray reflection red-green glow, the substrate layer are PS material thoroughly as described in Example 1, with a thickness of
25μm；The coating layer thickness of resistance to scratch layers is 4 μm；Priming coat material is polyurethane, and coating layer thickness is 3 μm；Functional layer coating layer thickness is 3 μ
m。
Wherein, the functional layer coating fluid is composed of the following components：
Cholesteric liquid crystal molecules are the combination of two kinds of cholesteric liquid crystal molecules, and one of structural formula is a, wherein m=
8, parts by weight are 60 parts by weight；Another structural formula is b, wherein n=6, and parts by weight are 31 parts by weight；Chiral agent is three
The combination of kind chipal compounds, one of structural formula are e, wherein p=4, and parts by weight are 0.5 parts by weight；Another knot
Structure formula is e, wherein p=7, and parts by weight are 1.5 parts by weight；Still another structural formula is f, wherein q=6, parts by weight 1
Parts by weight；Photoinitiator is 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-1- acetone (907), and parts by weight are 6 weight
Part；Polymerization inhibitor is methylnaphthohydroquinone, and parts by weight are 0.2 parts by weight；Organic solvent is cyclohexanone, and parts by weight are 233 parts by weight.
Embodiment 8
The function film of blu-ray reflection red-green glow, the substrate layer are PA material thoroughly as described in Example 1, with a thickness of
250μm；The coating layer thickness of resistance to scratch layers is 5 μm；Priming coat material is polyimides, and coating layer thickness is 5 μm；Functional layer coating layer thickness is
5μm。
Wherein, the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is b, wherein n=4, and parts by weight are 97 parts by weight；The structural formula of chiral agent
For e, wherein p=2, parts by weight are 0.8 parts by weight；Photoinitiator is 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-
1- acetone (907), parts by weight are 2.2 parts by weight；Polymerization inhibitor is p-hydroxyanisole, and parts by weight are 0.4 parts by weight；It is organic
Solvent is n-butanol, and parts by weight are 160 parts by weight.
Embodiment 9
The function film of blu-ray reflection red-green glow, the substrate layer are PET material, thickness thoroughly as described in Example 1
It is 75 μm；The coating layer thickness of resistance to scratch layers is 3 μm；Priming coat material is polyacrylate, and coating layer thickness is 3 μm；Functional layer applies thickness
Degree is 2 μm.
Wherein, the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is c, wherein x=5, y=7, and parts by weight are 95 parts by weight；Chiral agent is two
The combination of kind chipal compounds, one of structural formula are e, wherein p=5, and parts by weight are 0.5 parts by weight；Another knot
Structure formula is f, wherein q=7, and parts by weight are 0.5 parts by weight；Photoinitiator is 2- hydroxy-methyl phenyl-propane -1- ketone
(1173), parts by weight are 4 parts by weight；Polymerization inhibitor is methylnaphthohydroquinone, and parts by weight are 0.3 parts by weight；Organic solvent is positive fourth
Alcohol, parts by weight are 210 parts by weight.
Embodiment 10
The function film of blu-ray reflection red-green glow, the substrate layer are PC material thoroughly as described in Example 1, with a thickness of
150μm；The coating layer thickness of resistance to scratch layers is 4 μm；Priming coat material is polyamide, and coating layer thickness is 4 μm；Functional layer coating layer thickness is 5 μ
m。
Wherein, the functional layer coating fluid is composed of the following components：
Cholesteric liquid crystal molecules are the combination of two kinds of cholesteric liquid crystal molecules, and one of structural formula is a, wherein m=
3, parts by weight are 49 parts by weight；Another structural formula is b, wherein n=2, and parts by weight are 40 parts by weight；The knot of chiral agent
Structure formula is e, wherein p=5, and parts by weight are 5 parts by weight；Photoinitiator is 1- hydroxy-cyclohexyl phenyl ketone (184), parts by weight
Number is 6 parts by weight；Polymerization inhibitor is methylnaphthohydroquinone, and parts by weight are 0.4 parts by weight；Organic solvent is cyclohexanone, and parts by weight are
160 parts by weight.
Embodiment 11
The function film of blu-ray reflection red-green glow, the substrate layer are PET material, thickness thoroughly as described in Example 1
It is 188 μm；The coating layer thickness of resistance to scratch layers is 2 μm；Priming coat material is polyacrylate, and coating layer thickness is 2 μm；Functional layer applies thickness
Degree is 6 μm.
Wherein, the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is b, wherein n=4, and parts by weight are 89.5 parts by weight；The structure of chiral agent
Formula is f, wherein q=0, and parts by weight are 0.5 parts by weight；Photoinitiator is 1- hydroxy-cyclohexyl phenyl ketone (184), parts by weight
Number is 10 parts by weight；Polymerization inhibitor is 2- tert-butyl hydroquinone, and parts by weight are 0.5 parts by weight；Organic solvent is butanone, weight
Number is 150 parts by weight.
Embodiment 12
The function film of blu-ray reflection red-green glow, the substrate layer are PC material thoroughly as described in Example 1, with a thickness of
75μm；The coating layer thickness of resistance to scratch layers is 1 μm；Priming coat material is polysiloxanes, and coating layer thickness is 4 μm；Functional layer coating layer thickness is 2
μm。
Wherein, the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is c, wherein x=0, y=0, and parts by weight are 90 parts by weight；The knot of chiral agent
Structure formula is f, wherein q=3, and parts by weight are 4 parts by weight；Photoinitiator is 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholine
Base -1- acetone (907), parts by weight are 6 parts by weight；Polymerization inhibitor is 2- tert-butyl hydroquinone, and parts by weight are 0.4 weight
Part；Organic solvent is butanone, and parts by weight are 210 parts by weight.
Comparative example 1
The function film of blu-ray reflection red-green glow, the substrate layer are PET material, thickness thoroughly as described in Example 1
It is 100 μm；The coating layer thickness of resistance to scratch layers is 3 μm；Priming coat material is epoxy resin, and coating layer thickness is 5 μm.The comparative example is not set
Set functional layer.
Comparative example 2
The function film of blu-ray reflection red-green glow, the substrate layer are PET material, thickness thoroughly as described in Example 1
It is 75 μm；The coating layer thickness of resistance to scratch layers is 3 μm；Priming coat material is polyimides, and coating layer thickness is 2 μm；Functional layer coating layer thickness
It is 3 μm
Wherein.The functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is c, wherein x=3, y=3, and parts by weight are 95 parts by weight；The knot of chiral agent
Structure formula is e, wherein p=4, and parts by weight are 0 parts by weight；Photoinitiator is 1- hydroxy-cyclohexyl phenyl ketone (184), parts by weight
Number is 5 parts by weight；Polymerization inhibitor is hydroquinone, and parts by weight are 0.2 parts by weight；Organic solvent is cyclohexanone, and parts by weight are
190 parts by weight.
Comparative example 3
The function film of blu-ray reflection red-green glow, the substrate layer are PET material, thickness thoroughly as described in Example 1
It is 75 μm；The coating layer thickness of resistance to scratch layers is 3 μm；Priming coat material is polyimides, and coating layer thickness is 7 μm；Functional layer coating layer thickness
It is 3 μm.
Wherein, the functional layer coating fluid is composed of the following components：
The structural formula of cholesteric liquid crystal molecules is c, wherein x=6, y=7, and parts by weight are 80 parts by weight；The knot of chiral agent
Structure formula is e, wherein p=4, and parts by weight are 10 parts by weight；Photoinitiator is 1- hydroxy-cyclohexyl phenyl ketone (184), weight
Number is 10 parts by weight；Polymerization inhibitor is hydroquinone, and parts by weight are 0.2 parts by weight；Organic solvent is cyclohexanone, parts by weight
For 200 parts by weight.
Comparative example 4
The function film of saturating blu-ray reflection red-green glow as described in Example 6, wherein in the function of saturating blu-ray reflection red-green glow
Can film preparation be omitted step (3), i.e. the priming coat friction orientation that does not carry out step (3) is directly coated on priming coat
Functional layer coating fluid, then ultraviolet light solidifies to obtain functional layer.
The optical performance test pair of the function film of saturating blu-ray reflection red-green glow obtained by 1 embodiment of the present invention of table and comparative example
Than
| Embodiment | Hardness | Luminance gain | Blue light transmittance | Red-green glow rejection rate |
| Embodiment 1 | H | 118.4% | 87.56% | 60% |
| Embodiment 2 | 2H | 125.0% | 87.90% | 69% |
| Embodiment 3 | 2H | 131.6% | 87.52% | 76% |
| Embodiment 4 | 2H | 141.1% | 89.02% | 80% |
| Embodiment 5 | 2H | 142.3% | 88.94% | 81% |
| Embodiment 6 | 3H | 150.6% | 89.66% | 86% |
| Embodiment 7 | 2H | 145.8% | 89.32% | 84% |
| Embodiment 8 | H | 122.5% | 87.14% | 63% |
| Embodiment 9 | 2H | 142.7% | 88.43% | 81% |
| Embodiment 10 | 2H | 133.2% | 87.72% | 77% |
| Embodiment 11 | 2H | 127.7% | 86.47% | 70% |
| Embodiment 12 | 3H | 132.9% | 87.19% | 73% |
| Comparative example 1 | 2H | 100.3% | 90.45% | 0% |
| Comparative example 2 | 2H | 94.6% | 83.51% | 8% |
| Comparative example 3 | 2H | 90.2% | 80.45% | 3% |
| Comparative example 4 | 2H | 116.2% | 85.78% | 58% |
The test result of the embodiment 1-12 and comparative example 1-4 shown in the table 1 it can be concluded that, blue light provided by the invention
The function film for reflecting red-green glow has preferable hardness and scratch resistance performance, while while meeting through blue wave band, also
The red-green glow of the reflection specific band for the property of can choose, has apparent luminance gain light efficiency in quantum dot display backlight mould group
Fruit.The present invention by adjusting chiral agent in functional layer coating fluid ratio, to regulate and control the screw pitch of cholesteryl liquid crystal functional layer, thus
The size and range for regulating and controlling reflected light peak value, obtain the selective blue light through 380-500nm, while can efficiently reflect
The function film of 500-800nm wave band red-green glow.
Embodiment 6 and 4 comparative analysis of comparative example can obtain, in the step of preparing the function film of blu-ray reflection red-green glow
The blue light that step (3) carries out the function film that friction orientation can effectively improve blu-ray reflection red-green glow to priming coat penetrates
Rate；Embodiment 1-12 and comparative example 1 and 4 comparative analysis of comparative example can obtain, the function of blu-ray reflection red-green glow prepared by the present invention
Energy film is red after can effectively improve excitation for having apparent luminance gain light effect in quantum dot display backlight mould group
The utilization rate of green light reduces the energy consumption that quantum dot is shown.
Wherein, the embodiment of the present invention 4-7 and 9 preparation saturating blu-ray reflection red-green glow function film have both it is higher
While hardness and blue light transmittance, also there is higher brightness gain effect, while red-green glow rejection rate also with higher.System
The hardness of the function film of standby saturating blu-ray reflection red-green glow is at least 2H, and blue light transmittance is at least 88.43%, luminance gain
At least 141.1%, red-green glow rejection rate is not less than 80%.Particularly, saturating blu-ray reflection red-green glow prepared by embodiment 6 and 7
Function film comprehensive performance it is best, blue light transmittance is at least 89.32%, and luminance gain is at least 145.8%, red green
Light rejection rate is not less than 84%.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
The equivalent changes and modifications that content is done according to the present invention are encompassed by the scope of the patents of the invention.
Claims (10)
1. a kind of function film of blu-ray reflection red-green glow, which is characterized in that the function of the blu-ray reflection red-green glow is thin
Film successively includes resistance to scratch layers, substrate layer, priming coat and functional layer.
2. the function film of blu-ray reflection red-green glow according to claim 1, which is characterized in that the blu-ray reflection
The function film of red-green glow is made of base's material, resistance to scratch layers, priming coat and functional layer；Scratch resistance is arranged in the one side of the substrate layer
Priming coat is arranged in the another side of layer, the substrate layer；Functional layer is arranged in the priming coat another side.
3. the function film of blu-ray reflection red-green glow according to claim 1, which is characterized in that the functional layer is
Cholesteryl liquid crystal coating.
4. the function film of blu-ray reflection red-green glow according to claim 1, which is characterized in that the functional layer includes
Cholesteric liquid crystal molecules.
5. the function film of blu-ray reflection red-green glow according to claim 1, which is characterized in that the original of the functional layer
Material includes cholesteric liquid crystal molecules and chiral agent.
6. the function film of blu-ray reflection red-green glow according to claim 1, which is characterized in that the original of the functional layer
Material includes cholesteric liquid crystal molecules, chiral agent, photoinitiator and polymerization inhibitor.
7. the function film of blu-ray reflection red-green glow according to claim 6, which is characterized in that the functional layer packet
Include following components：Cholesteric liquid crystal molecules 85-98 parts by weight；Chiral agent 0.5-5 parts by weight, photoinitiator 1-10 parts by weight and resistance
Poly- agent 0.1-0.5 parts by weight；The total number of the cholesteric liquid crystal molecules, chiral agent and photoinitiator is 100 parts by weight.
8. the function film of blu-ray reflection red-green glow according to claim 4, which is characterized in that the cholesteric liquid
Brilliant molecule is selected from the cholesteric liquid crystal molecules with acrylic double bond.
9. a kind of application of the function film of blu-ray reflection red-green glow according to claim 1 to 8, special
Sign is that the function film of the blu-ray reflection red-green glow is applied in the backlight module that quantum dot is shown.
10. a kind of method for the function film for preparing blu-ray reflection red-green glow described in claim 1, which is characterized in that institute
The method stated includes the following steps：
(1) resistance to scratch layers are obtained after the coated on one side coating fluid of resistance to scratch layers of substrate layer, ultraviolet light solidification；
(2) in the another side painting bottom coating coating fluid of substrate layer, priming coat is obtained after being heating and curing；
(3) it is rubbed with flannelette rod to base coating surface, base coating surface is made to generate the consistent groove in direction after friction
(director)；
(4) solidify after base coating surface coating function layer coating fluid, heating surface drying by ultraviolet light and functional layer is made；It obtains
The function film of saturating blu-ray reflection red-green glow.
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| CN110109283A (en) * | 2018-02-01 | 2019-08-09 | 三星显示有限公司 | Color conversion panel and display equipment including the color conversion panel |
| CN114479693A (en) * | 2021-09-08 | 2022-05-13 | 纳琳威纳米科技（上海）有限公司 | Bird-collision-preventing optical flexible film and preparation method and application thereof |
| CN114690292A (en) * | 2020-12-28 | 2022-07-01 | 宁波激智科技股份有限公司 | Blue-light-proof optical film and preparation method thereof |
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| CN114690292A (en) * | 2020-12-28 | 2022-07-01 | 宁波激智科技股份有限公司 | Blue-light-proof optical film and preparation method thereof |
| CN114690292B (en) * | 2020-12-28 | 2024-04-12 | 宁波激智科技股份有限公司 | Blue light prevention optical film and preparation method thereof |
| CN114479693A (en) * | 2021-09-08 | 2022-05-13 | 纳琳威纳米科技（上海）有限公司 | Bird-collision-preventing optical flexible film and preparation method and application thereof |
| WO2023035561A1 (en) * | 2021-09-08 | 2023-03-16 | 纳琳威纳米科技（上海）有限公司 | Anti-birdstrike flexible film and preparation method therefor and application thereof |
| CN114479693B (en) * | 2021-09-08 | 2023-12-19 | 纳琳威纳米科技（上海）有限公司 | Bird strike prevention optical flexible film and preparation method and application thereof |
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