CN107272093A - The preparation method of interface nanometer grating structure green glow diffusion barrier - Google Patents
The preparation method of interface nanometer grating structure green glow diffusion barrier Download PDFInfo
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- CN107272093A CN107272093A CN201710689269.9A CN201710689269A CN107272093A CN 107272093 A CN107272093 A CN 107272093A CN 201710689269 A CN201710689269 A CN 201710689269A CN 107272093 A CN107272093 A CN 107272093A
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
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Abstract
The invention belongs to thin film materials art, it is related to a kind of preparation method of interface nanometer grating structure green glow diffusion barrier.Preparation method proposed by the present invention is to utilize nanometer grating stay in place form, silane coupler figure is constructed in PET substrate surface, heating, ultraviolet light, obtain polyester/polysiloxane composite membrane, the spin coating polymethyl methacrylate layers in silicone layer, high annealing, obtain interface nanometer grating structure green glow diffusion barrier again.Interface nanometer grating structure green glow diffusion barrier prepared by the present invention only has high light transmission rate and mist degree to green glow, the excitation of green glow is improved simultaneously, but to the light of other colors, such as white light, blue light, feux rouges, not only light transmission rate and mist degree are relatively low, and the excitation of relevant colors light can not be improved, i.e., the optical diffusion film that prepared by the present invention has selectivity to green glow.
Description
Technical field
The invention belongs to thin-film material technical field, and in particular to a kind of system of interface nanometer grating structure green glow diffusion barrier
Preparation Method.
Background technology
The eyes of people are to recognize color according to the wavelength for the light seen.Most of color in visible spectrum can be with
Mixed by three kinds of basic coloured light in different ratios, the colors of these three basic coloured light be exactly red (Red), green (Green),
Blue (Blue) primaries.These three light mix and reach certain intensity in the same scale, just present white (white light)；
It is exactly black (dark), here it is additive process principle if the intensity of three kinds of light is zero.Additive process principle is widely used in liquid
In the products such as crystal display, monitor.
Backlight is a kind of light source positioned at liquid crystal display behind, and its illumination effect will directly influence liquid crystal display
Module visual effect.Liquid crystal display does not light in itself, and it shows that figure is the result that it is modulated to light.
Optical diffusion film primarily serves the effect of amendment diffusion angle in back light source structure, can increase light radiation area,
But the luminous intensity of unit area is reduction of, that is, lowers briliancy.After illuminating source spreads through diffusion material, area can be become more
Greatly, the uniformity is preferable, 2 secondary light sources of chroma stability.There is optical diffusion film the effect of diffusing light, i.e. light can be sent out on its surface
Raw scattering, uniformly disseminates out by light is soft, the important indicator of optical diffusion film is light transmission rate and mist degree.
By blending method, the addition light diffusing agent in PET (PET) prepares the expansion of PET light to Feng Xinran etc.
Dissipate film.The influence of the refractive index and particle diameter of light diffusing agent particle to light diffusion effect is calculated using Mie scattering theories, and is passed through
Experiment is verified to the calculated results.As a result show, influence of the light diffusing agent particle refractive index to light diffusion effect is smaller,
And the influence of grain diameter is larger, matched with the calculated results.Light diffusing agent addition has been inquired into light diffusion effect
Influence and reason, prepare light transmittance be 85.3%, mist degree be 90.86% PET optical diffusion films (engineering plastics application, 2013,
41：4-7).Wang Min etc. proposes the preparation method of interface disorder submicrometer structure haze and high transmission rate diffusion barrier, passes through mould
Plate replica method, the poly dimethyl silicon with interface disorder submicrometer structure is prepared for based on silicon prod cast plate and anodic oxidation aluminium formwork
Oxygen alkane (PDMS) and polystyrene (PS) film.As a result show, interface disorder submicrometer structure can dramatically increase the mist of film
Degree.The pattern and size of structure have a major impact to film light diffusion, wherein having surface using what silicon prod cast plate was obtained
The mist degree of the PDMS film of unordered submicron pore structure reaches 92%, and light transmittance is 90.9%；PS films prepared by same template
Mist degree reach 97.9%, light transmittance is 85%；This two kinds of microstructure films are used as efficient diffusion barrier.(optical precision work
Journey, 2014,22：2937-2944).
Optical diffusion film problems faced be existing membrane material exploitation faces is white light source, lcd technology is white
After light spreads through optical diffusion film, then with filter method Red Green Blue is separated, do not had for autonomous light-emitting display device (such as
LED, OLED) the Red Green Blue spot light that sends is converted into the high transmittance of high color purity area source, the light of haze
Diffusion barrier.
The present invention in view of the above-mentioned problems, develop a kind of interface nanometer grating structure green glow diffusion barrier, ensure high transmittance,
While haze, the excitation of transmitted light is improved.
The content of the invention
The invention belongs to thin film materials art, it is related to a kind of preparation method of interface nanometer grating structure green glow diffusion barrier.
Preparation method proposed by the present invention is to utilize nanometer grating stay in place form, and silicon is constructed in PET substrate surface
Alkane coupling agent figure, heating, ultraviolet light obtains polyester/polysiloxane composite membrane, then the poly- methyl of spin coating in silicone layer
Methyl acrylate layer, high annealing obtains interface nanometer grating structure green glow diffusion barrier.
The preparation method of the present invention has following features：(1) light diffusion is regulated and controled using interface nanometer grating structure first
The light transmission rate and mist degree of film；(2) excitation of transmitted light is improved using interface nanometer grating structure first；(3) it is of the invention
The interface nanometer grating structure green glow diffusion barrier of preparation only has high light transmission rate and mist degree to green glow, while improving the color of green glow
Purity, but to the light of other colors, such as white light, blue light, feux rouges, not only light transmission rate and mist degree are relatively low, and can not improve
The excitation of relevant colors light, the i.e. optical diffusion film for preparing of the present invention have selectivity to green glow, and gained has the technical effect that not
It is contemplated that existing literature can not be enlightened from theory or experimentally to the present invention.
The preparation method of a kind of interface nanometer grating structure green glow diffusion barrier proposed by the present invention, it is characterised in that prepare work
Skill is as follows：
(1) prepared by polyester/polysiloxane composite membrane；At room temperature, 1ml silane coupler solutions are added dropwise in area and are
9cm2, thickness be spin coating silane coupling agent layer on the PET substrate that 0.2mm, green light rate are 95%；
The impressing that line width, spacing are 100nm is placed on silane coupling agent layer with nanometer grating stay in place form, with the method for impressing
Nanometer grating structure graph is built, then is placed in an oven, is heated 2 hours in 100 DEG C, is cooled to room temperature, separated template, obtain figure
Shape polyester compound film；Graphical polyester compound film is put into ultraviolet case again, with 365nm wavelength ultraviolet radiations 10 minutes,
Take out, obtain polyester/polysiloxane composite membrane；The mass ratio of each component is acetone: 3- aminopropans wherein in silane coupler solution
Base trimethoxy silane: 3-mercaptopropyi trimethoxy silane=100: 1: 0.5.
(2) interface nanometer grating structure green glow diffusion film preparation；Polymethyl methacrylate solution is added dropwise in polyester/poly-
In siloxanes composite membrane patterned layer, spin coating is placed in an oven, in 100 DEG C into polymethyl methacrylate layers thick 500nm
Heating 2 hours, is cooled to room temperature, obtains interface nanometer grating structure green glow diffusion barrier；Wherein in polymethyl methacrylate solution
The mass ratio of each component is chloroform: polymethyl methacrylate: dibenzoyl peroxide=100: 10: 0.2, polymethylacrylic acid
The weight average molecular weight of methyl esters is 10000；With the green glow of transmission measurement instrument detection optical diffusion film, feux rouges, blue light, white light transmitance
Respectively 96%, 78%, 81%, 79%；Green glow, feux rouges, blue light, white light mist degree with haze meter detection optical diffusion film are respectively
97%th, 53%, 46%, 41%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through interface nanometer grating structure green glow
Diffusion barrier is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.97,0.78,0.79,0.73.
If being added without polymethyl methacrylate for raw material, the present invention also provides following technical scheme as a comparison：
At room temperature, it is 9cm 1ml silane coupler solutions to be added dropwise in area2, thickness be that 0.2mm, green light rate are
On 95% PET substrate, spin coating silane coupling agent layer；The impressing that line width, spacing are 100nm is used
Nanometer grating stay in place form is placed on silane coupling agent layer, builds nanometer grating structure graph with the method for impressing, then place
In an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, separated template, obtain graphical polyester compound film；To graphically it gather again
Ester composite membrane is put into ultraviolet case, with 365nm wavelength ultraviolet radiations 10 minutes, is taken out, is obtained polyester/polysiloxane composite membrane；
The mass ratio of each component is acetone: 3- TSL 8330s: 3- mercaptopropyis three wherein in silane coupler solution
Methoxy silane=100: 1: 0.5.With transmission measurement instrument detect the green glow of polyester/polysiloxane composite membrane, feux rouges, blue light,
White light transmitance is respectively 76%, 75%, 77%, 74%；The green glow, red of polyester/polysiloxane composite membrane is detected with haze meter
Light, blue light, white light mist degree are respectively 38%, 36%, 39%, 37%；It is 0.80 green glow, feux rouges, blue light, white light by excitation
Through the transmission of polyester/polysiloxane composite membrane, the excitation for measuring transmitted light with color illumination tester is respectively 0.79,0.79,
0.79、0.78。
If being added without 3- TSL 8330s for raw material, the present invention also provides following technical scheme as right
Than：
(1) prepared by polyester/polysiloxane composite membrane；At room temperature, 1ml silane coupler solutions are added dropwise in area and are
9cm2, thickness be spin coating silane coupling agent layer on the PET substrate that 0.2mm, green light rate are 95%；
The impressing that line width, spacing are 100nm is placed on silane coupling agent layer with nanometer grating stay in place form, with the method for impressing
Nanometer grating structure graph is built, then is placed in an oven, is heated 2 hours in 100 DEG C, is cooled to room temperature, separated template, obtain figure
Shape polyester compound film；Graphical polyester compound film is put into ultraviolet case again, with 365nm wavelength ultraviolet radiations 10 minutes,
Take out, obtain polyester/polysiloxane composite membrane；The mass ratio of each component is acetone: 3- sulfydryls third wherein in silane coupler solution
Base trimethoxy silane=100: 0.5.
(2) interface nanometer grating structure green glow diffusion film preparation；Polymethyl methacrylate solution is added dropwise in polyester/poly-
In siloxanes composite membrane patterned layer, spin coating is placed in an oven, in 100 DEG C into polymethyl methacrylate layers thick 500nm
Heating 2 hours, is cooled to room temperature, obtains interface nanometer grating structure green glow diffusion barrier；Wherein in polymethyl methacrylate solution
The mass ratio of each component is chloroform: polymethyl methacrylate: dibenzoyl peroxide=100: 10: 0.2, polymethylacrylic acid
The weight average molecular weight of methyl esters is 10000；With the green glow of transmission measurement instrument detection optical diffusion film, feux rouges, blue light, white light transmitance
Respectively 77%, 78%, 76%, 79%；Green glow, feux rouges, blue light, white light mist degree with haze meter detection optical diffusion film are respectively
51%th, 55%, 49%, 48%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through interface nanometer grating structure green glow
Diffusion barrier is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.79,0.78,0.73,0.78.
If being added without 3-mercaptopropyi trimethoxy silane for raw material, the present invention also provides following technical scheme as right
Than：
(1) prepared by polyester/polysiloxane composite membrane；At room temperature, lml silane coupler solutions are added dropwise in area and are
9cm2, thickness be spin coating silane coupling agent layer on the PET substrate that 0.2mm, green light rate are 95%；
The impressing that line width, spacing are 100nm is placed on silane coupling agent layer with nanometer grating stay in place form, with the method for impressing
Nanometer grating structure graph is built, then is placed in an oven, is heated 2 hours in 100 DEG C, is cooled to room temperature, separated template, obtain figure
Shape polyester compound film；Graphical polyester compound film is put into ultraviolet case again, with 365nm wavelength ultraviolet radiations 10 minutes,
Take out, obtain polyester/polysiloxane composite membrane；The mass ratio of each component is acetone: 3- aminopropans wherein in silane coupler solution
Base trimethoxy silane=100: 1.
(2) interface nanometer grating structure green glow diffusion film preparation；Polymethyl methacrylate solution is added dropwise in polyester/poly-
In siloxanes composite membrane patterned layer, spin coating is placed in an oven, in 100 DEG C into polymethyl methacrylate layers thick 500nm
Heating 2 hours, is cooled to room temperature, obtains interface nanometer grating structure green glow diffusion barrier；Wherein in polymethyl methacrylate solution
The mass ratio of each component is chloroform: polymethyl methacrylate: dibenzoyl peroxide=100: 10: 0.2, polymethylacrylic acid
The weight average molecular weight of methyl esters is 10000；With the green glow of transmission measurement instrument detection optical diffusion film, feux rouges, blue light, white light transmitance
Respectively 78%, 78%, 79%, 76%；Green glow, feux rouges, blue light, white light mist degree with haze meter detection optical diffusion film are respectively
31%th, 32%, 29%, 23%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through interface nanometer grating structure green glow
Diffusion barrier is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.76,0.78,0.76,0.76.
If the polymethyl methacrylate for the use of weight average molecular weight being 20000 is raw material, the present invention also provides following skill
Art scheme is as a comparison：
(1) prepared by polyester/polysiloxane composite membrane；At room temperature, 1ml silane coupler solutions are added dropwise in area and are
9cm2, thickness be spin coating silane coupling agent layer on the PET substrate that 0.2mm, green light rate are 95%；
The impressing that line width, spacing are 100nm is placed on silane coupling agent layer with nanometer grating stay in place form, with the method for impressing
Nanometer grating structure graph is built, then is placed in an oven, is heated 2 hours in 100 DEG C, is cooled to room temperature, separated template, obtain figure
Shape polyester compound film；Graphical polyester compound film is put into ultraviolet case again, with 365nm wavelength ultraviolet radiations 10 minutes,
Take out, obtain polyester/polysiloxane composite membrane；The mass ratio of each component is acetone: 3- aminopropans wherein in silane coupler solution
Base trimethoxy silane: 3-mercaptopropyi trimethoxy silane=100: 1: 0.5.
(2) interface nanometer grating structure green glow diffusion film preparation；Polymethyl methacrylate solution is added dropwise in polyester/poly-
In siloxanes composite membrane patterned layer, spin coating is placed in an oven, in 100 DEG C into polymethyl methacrylate layers thick 500nm
Heating 2 hours, is cooled to room temperature, obtains interface nanometer grating structure green glow diffusion barrier；Wherein in polymethyl methacrylate solution
The mass ratio of each component is chloroform: polymethyl methacrylate: dibenzoyl peroxide=100: 10: 0.2, polymethylacrylic acid
The weight average molecular weight of methyl esters is 20000；With the green glow of transmission measurement instrument detection optical diffusion film, feux rouges, blue light, white light transmitance
Respectively 77%, 79%, 76%, 79%；Green glow, feux rouges, blue light, white light mist degree with haze meter detection optical diffusion film are respectively
51%th, 52%, 50%, 52%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through interface nanometer grating structure green glow
Diffusion barrier is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.78,0.79,0.76,0.77.
From correlation technique scheme, if removing polymethyl methacrylate layers, nano surface optical grating construction is built green
Optical diffusion film, its transmitance to green glow, mist degree drastically decline；3- TSL 8330s or 3- mercaptos is being used alone
In the case that base propyl trimethoxy silicane is silane coupler, or the weight average molecular weight of change poly-methyl methacrylate, interface
Nanometer grating structure green glow diffusion barrier also drastically declines to the transmitance of green glow, mist degree, while no longer having to transmitted light colour purity
The effect improved is spent, illustrates that raw material and technique that interface nanometer grating structure green glow diffusion barrier is prepared in the present invention can not be simple
Replace, the result that each component acts synergistically under special process is had the technical effect that in the present invention, therefore, the present patent application requirement
The technical scheme of protection is unique and creativeness.
Embodiment
The invention is further illustrated by the following examples
Embodiment 1
At room temperature, by 100g acetone, 1g 3- TSL 8330s and 0.5g 3- mercaptopropyi trimethoxies
Base silane is mixed, and is stirred 10 minutes, is obtained silane coupler solution.
At room temperature, by 100g chloroforms, the polymethyl methacrylate and 0.2g peroxides that 10g weight average molecular weight is 10000
Change dibenzoyl mixing, stir 10 minutes, obtain polymethyl methacrylate solution.
At room temperature, it is 9cm 1ml silane coupler solutions to be added dropwise in area2, thickness be that 0.2mm, green light rate are
On 95% PET substrate, spin coating silane coupling agent layer；The impressing that line width, spacing are 100nm is used
Nanometer grating stay in place form is placed on silane coupling agent layer, builds nanometer grating structure graph with the method for impressing, then place
In an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, separated template, obtain graphical polyester compound film；To graphically it gather again
Ester composite membrane is put into ultraviolet case, with 365nm wavelength ultraviolet radiations 10 minutes, is taken out, is obtained polyester/polysiloxane composite membrane.
At room temperature, polymethyl methacrylate solution is added dropwise in polyester/polysiloxane composite membrane patterned layer, spin coating
Into the thick polymethyl methacrylate layers of 500nm, place in an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, obtain interface
Nanometer grating structure green glow diffusion barrier.With the green glow of transmission measurement instrument detection optical diffusion film, feux rouges, blue light, white light transmitance
Respectively 96%, 78%, 81%, 79%；Green glow, feux rouges, blue light, white light mist degree with haze meter detection optical diffusion film are respectively
97%th, 53%, 46%, 41%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through interface nanometer grating structure green glow
Diffusion barrier is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.97,0.78,0.79,0.73.
Embodiment 2
At room temperature, by 100g acetone, 1g 3- TSL 8330s and 0.5g 3- mercaptopropyi trimethoxies
Base silane is mixed, and is stirred 10 minutes, is obtained silane coupler solution.
At room temperature, it is 9cm 1ml silane coupler solutions to be added dropwise in area2, thickness be that 0.2mm, green light rate are
On 95% PET substrate, spin coating silane coupling agent layer；The impressing that line width, spacing are 100nm is used
Nanometer grating stay in place form is placed on silane coupling agent layer, builds nanometer grating structure graph with the method for impressing, then place
In an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, separated template, obtain graphical polyester compound film；To graphically it gather again
Ester composite membrane is put into ultraviolet case, with 365nm wavelength ultraviolet radiations 10 minutes, is taken out, is obtained polyester/polysiloxane composite membrane.
Distinguished with the green glow of transmission measurement instrument detection polyester/polysiloxane composite membrane, feux rouges, blue light, white light transmitance
For 76%, 75%, 77%, 74%；Green glow, feux rouges, blue light, the white light mist of polyester/polysiloxane composite membrane are detected with haze meter
Degree is respectively 38%, 36%, 39%, 37%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through polyester/poly- silica
Alkane composite membrane is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.79,0.79,0.79,0.78.
Embodiment 3
At room temperature, 100g acetone, 0.5g 3-mercaptopropyi trimethoxy silanes are mixed, stirred 10 minutes, obtain silane even
Join agent solution.
At room temperature, by 100g chloroforms, the polymethyl methacrylate and 0.2g peroxides that 10g weight average molecular weight is 10000
Change dibenzoyl mixing, stir 10 minutes, obtain polymethyl methacrylate solution.
At room temperature, it is 9cm 1ml silane coupler solutions to be added dropwise in area2, thickness be that 0.2mm, green light rate are
On 95% PET substrate, spin coating silane coupling agent layer；The impressing that line width, spacing are 100nm is used
Nanometer grating stay in place form is placed on silane coupling agent layer, builds nanometer grating structure graph with the method for impressing, then place
In an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, separated template, obtain graphical polyester compound film；To graphically it gather again
Ester composite membrane is put into ultraviolet case, with 365nm wavelength ultraviolet radiations 10 minutes, is taken out, is obtained polyester/polysiloxane composite membrane.
At room temperature, polymethyl methacrylate solution is added dropwise in polyester/polysiloxane composite membrane patterned layer, spin coating
Into the thick polymethyl methacrylate layers of 500nm, place in an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, obtain interface
Nanometer grating structure green glow diffusion barrier.With the green glow of transmission measurement instrument detection optical diffusion film, feux rouges, blue light, white light transmitance
Respectively 77%, 78%, 76%, 79%；Green glow, feux rouges, blue light, white light mist degree with haze meter detection optical diffusion film are respectively
51%th, 55%, 49%, 48%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through interface nanometer grating structure green glow
Diffusion barrier is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.79,0.78,0.73,0.78.
Embodiment 4
At room temperature, 100g acetone, 1g 3- TSL 8330s are stirred 10 minutes with mixing, obtains silane even
Join agent solution.
At room temperature, by 100g chloroforms, the polymethyl methacrylate and 0.2g peroxides that 10g weight average molecular weight is 10000
Change dibenzoyl mixing, stir 10 minutes, obtain polymethyl methacrylate solution.
At room temperature, it is 9cm 1ml silane coupler solutions to be added dropwise in area2, thickness be that 0.2mm, green light rate are
On 95% PET substrate, spin coating silane coupling agent layer；The impressing that line width, spacing are 100nm is used
Nanometer grating stay in place form is placed on silane coupling agent layer, builds nanometer grating structure graph with the method for impressing, then place
In an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, separated template, obtain graphical polyester compound film；To graphically it gather again
Ester composite membrane is put into ultraviolet case, with 365nm wavelength ultraviolet radiations 10 minutes, is taken out, is obtained polyester/polysiloxane composite membrane.
At room temperature, polymethyl methacrylate solution is added dropwise in polyester/polysiloxane composite membrane patterned layer, spin coating
Into the thick polymethyl methacrylate layers of 500nm, place in an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, obtain interface
Nanometer grating structure green glow diffusion barrier.With the green glow of transmission measurement instrument detection optical diffusion film, feux rouges, blue light, white light transmitance
Respectively 78%, 78%, 79%, 76%；Green glow, feux rouges, blue light, white light mist degree with haze meter detection optical diffusion film are respectively
31%th, 32%, 29%, 23%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through interface nanometer grating structure green glow
Diffusion barrier is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.76,0.78,0.76,0.76.
Embodiment 5
At room temperature, by 100g acetone, 1g 3- TSL 8330s and 0.5g 3- mercaptopropyi trimethoxies
Base silane is mixed, and is stirred 10 minutes, is obtained silane coupler solution.
At room temperature, by 100g chloroforms, the polymethyl methacrylate and 0.2g peroxides that 10g weight average molecular weight is 20000
Change dibenzoyl mixing, stir 10 minutes, obtain polymethyl methacrylate solution.
At room temperature, it is 9cm 1ml silane coupler solutions to be added dropwise in area2, thickness be that 0.2mm, green light rate are
On 95% PET substrate, spin coating silane coupling agent layer；The impressing that line width, spacing are 100nm is used
Nanometer grating stay in place form is placed on silane coupling agent layer, builds nanometer grating structure graph with the method for impressing, then place
In an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, separated template, obtain graphical polyester compound film；To graphically it gather again
Ester composite membrane is put into ultraviolet case, with 365nm wavelength ultraviolet radiations 10 minutes, is taken out, is obtained polyester/polysiloxane composite membrane.
At room temperature, polymethyl methacrylate solution is added dropwise in polyester/polysiloxane composite membrane patterned layer, spin coating
Into the thick polymethyl methacrylate layers of 500nm, place in an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, obtain interface
Nanometer grating structure green glow diffusion barrier.With the green glow of transmission measurement instrument detection optical diffusion film, feux rouges, blue light, white light transmitance
Respectively 77%, 79%, 76%, 79%；Green glow, feux rouges, blue light, white light mist degree with haze meter detection optical diffusion film are respectively
51%th, 52%, 50%, 52%；By the green glow that excitation is 0.80, feux rouges, blue light, white light through interface nanometer grating structure green glow
Diffusion barrier is transmitted, and the excitation for measuring transmitted light with color illumination tester is respectively 0.78,0.79,0.76,0.77.
Claims (1)
1. a kind of preparation method of interface nanometer grating structure green glow diffusion barrier, it is characterised in that comprise the following steps that：
(1) prepared by polyester/polysiloxane composite membrane；At room temperature, it is 9cm 1ml silane coupler solutions to be added dropwise in area2, thickness
On the PET substrate for being 95% for 0.2mm, green light rate, spin coating silane coupling agent layer；By line width,
Away from being that 100nm impressing is placed on silane coupling agent layer with nanometer grating stay in place form, nanometer is built with the method for impressing
Optical grating construction figure, then place in an oven, heated 2 hours in 100 DEG C, be cooled to room temperature, separated template, obtain graphical polyester
Composite membrane；Graphical polyester compound film is put into ultraviolet case again, with 365nm wavelength ultraviolet radiations 10 minutes, takes out, obtains poly-
Ester/polysiloxane composite membrane；The mass ratio of each component is acetone: 3- aminopropyl trimethoxies wherein in silane coupler solution
Silane: 3-mercaptopropyi trimethoxy silane=100: 1: 0.5；
(2) interface nanometer grating structure green glow diffusion film preparation；Polymethyl methacrylate solution is added dropwise in polyester/poly- silica
In alkane composite membrane patterned layer, spin coating is placed in an oven, in 100 DEG C of heating into polymethyl methacrylate layers thick 500nm
2 hours, room temperature is cooled to, interface nanometer grating structure green glow diffusion barrier is obtained；Wherein each group in polymethyl methacrylate solution
The mass ratio divided is chloroform: polymethyl methacrylate: dibenzoyl peroxide=100: 10: 0.2, polymethyl methacrylate
Weight average molecular weight be 10000；With transmission measurement instrument detect the green glow of interface nanometer grating structure green glow diffusion barrier, feux rouges,
Blue light, white light transmitance；Green glow, feux rouges, blue light, the white light mist of interface nanometer grating structure green glow diffusion barrier are detected with haze meter
Degree；The green glow that excitation is 0.80, feux rouges, blue light, white light are transmitted through interface nanometer grating structure green glow diffusion barrier, color is used
Illumination tester measures the excitation of transmitted light.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101551482A (en) * | 2009-01-24 | 2009-10-07 | 苏州大学 | Color filtering disc with subwavelength grating structure and manufacturing method thereof |
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| TW201518780A (en) * | 2013-11-08 | 2015-05-16 | Univ Feng Chia | Method for producing an optical diffuser film |
| CN103837919A (en) * | 2014-03-06 | 2014-06-04 | 成都贝思达光电科技有限公司 | Method for processing colorful filter coating of grating structure based on double-layer glue nanometer embossment |
| CN104101923A (en) * | 2014-07-08 | 2014-10-15 | 淮安信息职业技术学院 | Preparation method of light diffusion sheet with random micro/nano hybrid structure |
| CN105700058A (en) * | 2016-04-05 | 2016-06-22 | 武汉华星光电技术有限公司 | Metal wire grating brightness enhance film for display backlight and preparation method for metal wire grating brightness enhance film |
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