CN206270521U - Anti- adsorption and diffusion film - Google Patents
Anti- adsorption and diffusion film Download PDFInfo
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- CN206270521U CN206270521U CN201621377711.1U CN201621377711U CN206270521U CN 206270521 U CN206270521 U CN 206270521U CN 201621377711 U CN201621377711 U CN 201621377711U CN 206270521 U CN206270521 U CN 206270521U
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- diffusion
- adsorption
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Abstract
The utility model provides a kind of anti-adsorption and diffusion film, specifically includes a base material；At least one diffusion composite bed, is arranged at the side of the base material, and the diffusion composite bed includes diffusion particle and anti-granule for absorbing, and the anti-granule for absorbing forms rat, and the height of the rat is 4 10 μm.Due to the intervention of anti-granule for absorbing, surface forms space in the assembling of display module, is easy to the circulation of air and aqueous vapor, so as to thoroughly improve the absorption of diffusion barrier and light guide plate, improves optical effect.
Description
Technical field
The utility model is related to a kind of diffusion barrier, in particular to a kind of diffusion barrier of anti-absorption.
Background technology
Show with mobile communication equipment, laptop computer displays, desktop computer display and large scale liquid crystal electricity
The widely used display module depending in, the performance requirement to display module is also improved increasingly, is concentrated mainly on raising brightness and illumination
In the uniformity.Diffusion barrier is generally set in the assembling of display module above light guide plate, the diffusion uniformity of light is improved, therefore
Requirement to spreading film properties is particularly important.
But display module is in an assembling process, generally pastes or get stuck using frame, optical diffusion and light guide plate are direct
Distance is too near, causes the incidence surface of optical diffusion to contact light guide plate and causes absorption, forms Newton's ring influence optical effect, causes
Former material is wasted, row yielding is relatively low.
Utility model content
In order to overcome existing optical diffusion optics easily to adsorb the problem of light guide plate, the utility model provides a kind of anti-absorption
Diffusion barrier, due to the intervention of anti-granule for absorbing, surface forms space in the assembling of display module, is easy to the stream of air and aqueous vapor
It is logical, so as to thoroughly improve absorption.Specifically include a base material；At least one diffusion composite bed, is arranged at the side of the base material, described
Diffusion composite bed includes diffusion particle and anti-granule for absorbing, and the anti-granule for absorbing forms rat, the rat
Highly it is 4-10 μm.
Further, the height of the rat is 4-6 μm.
Further, the diffusion composite bed includes the expansion of one first hypothallus and at least partially embedded first hypothallus
Shot forms the anti-granule for absorbing of projection with first substrate layer surface is at least partly separated out.
Further, the thickness of first hypothallus is 10-20 μm
Further, the diffusion composite bed includes a diffusion layer, and primary antibody adsorption layer, the diffusion layer is arranged at base material
Side, the anti-adsorption layer is arranged at side of the diffusion layer away from base material, and the diffusion layer is including one the 3rd hypothallus and at least
The diffusion particle of the 3rd hypothallus is partially submerged into, the anti-adsorption layer includes one the 4th hypothallus and at least partly precipitation
Substrate layer surface forms the described anti-granule for absorbing of projection.
Further, the thickness of the 3rd hypothallus in the diffusion composite bed is 3-10 μm, the thickness of the 4th hypothallus
It is 10-20 μm
Further, the particle diameter of the diffusion particle in the diffusion composite bed is 3-8 μm.
Further, the particle diameter of the anti-granule for absorbing in the diffusion composite bed is 10-20 μm.
Further, the diffusion composite bed is 0.3-0.4 μm away from the roughness Ra value of base material side.
Further, the base material further includes a diffusion composite bed or a layers of prisms or one away from the side of diffusion composite bed
Diffusion layer.
Brief description of the drawings
The Figure of description for constituting a part of the present utility model is used for providing being further understood to of the present utility model, this
The schematic description and description of utility model is used to explain the utility model, does not constitute to improper limit of the present utility model
It is fixed.In the accompanying drawings：
Fig. 1 is the generalized section of the first embodiment of the anti-adsorption and diffusion film of the utility model；
Fig. 2 is enlarged drawing at the section A of the first embodiment of the anti-adsorption and diffusion film of the utility model
Fig. 3 is the generalized section of the second embodiment of the anti-adsorption and diffusion film of the utility model；
Fig. 4 is the generalized section of the 3rd embodiment of the anti-adsorption and diffusion film of the utility model；
Fig. 5 is the generalized section of the fourth embodiment of the anti-adsorption and diffusion film of the utility model；
Fig. 6 is the generalized section of the 5th embodiment of the anti-adsorption and diffusion film of the utility model；
Fig. 7 is enlarged drawing at the section B of the 5th embodiment of the anti-adsorption and diffusion film of the utility model
Fig. 8 is the generalized section of the sixth embodiment of the anti-adsorption and diffusion film of the utility model；
Fig. 9 is the generalized section of the 7th embodiment of the anti-adsorption and diffusion film of the utility model
Figure 10 is the generalized section of the 8th embodiment of the anti-adsorption and diffusion film of the utility model
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the utility model reality
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should
When the scope for belonging to the utility model protection.
Fig. 1 is the generalized section of the first embodiment of the anti-adsorption and diffusion film of the utility model, and Fig. 2 is put at its local A
Big figure.The utility model first embodiment provides a kind of anti-adsorption and diffusion film, including a base material 1 and at least one diffusion composite bed
2, be arranged at the side of the base material 1, the diffusion composite bed 2 includes one first hypothallus 23, and it is at least partially embedded should
The diffusion particle 24 and anti-granule for absorbing 25 of the first hypothallus, the anti-granule for absorbing at least partly separate out the table of the first hypothallus 23
Face, projection is formed in the anti-adsorption and diffusion film away from the surface of base material side, and the height H of the rat is 4-10 μm,
It is preferred that 4-6 μm.The anti-multiple diffusion barrier of suction is 0.3-0.4 μm, preferably 0.35 μm away from the surface roughness Ra value of base material side.This reality
With new due to the intervention of anti-granule for absorbing, separate out substrate layer surface and form projection, in the assembling of display module, with adjacent device
The part such as surface of light guide plate 8 forms space, is easy to the circulation of air and aqueous vapor, so as to thoroughly improve absorption.
In specific implementation process, the base material 1 is selected from following material：It is polyethylene terephthalate (PET), poly- right
The not limited to this such as benzene dicarboxylic acid butanediol ester (PBT), PEN (PEN) or its co-polymerization modified polyester.It is described
The material that first hypothallus 23 contains is selected from the resinae materials such as acrylic resin, polyurethane resin or propylene polyalcohols resin
Material, the diffusion particle 24 is selected from methyl acrylate particle (PMMA), makrolon (PC), polystyrene (PS), PBMA particles
Deng material, the particle diameter of not limited to this, and the diffusion particle 24 is 3-8 μm, preferably 5 μm.The anti-granule for absorbing 25 is selected to be had
Machine silicon particle, polystyrene particle, makrolon particle, organosiloxane particle, calcium carbonate particle, TiO 2 particles etc.,
Not limited to this, and the particle diameter of the anti-granule for absorbing 25 is 10-20 μm, preferably 10,15 μm.The thickness of first hypothallus is
10-20 μm, when hypothallus within this range, good diffusion effect can be played.
In practical operation, by the resinous material and the diffusion particle 24 and anti-granule for absorbing 25, related solvents, help
Agent etc. forms mixed liquor, and mixed liquor is coated into the base material side by way of roll shaft, by the control to temperature, makes molten
There is volatilization phenomenon in agent, because molecular motion drives anti-granule for absorbing 25 to separate out the surface of the first hypothallus 23 in volatilization process, such as
This dry out solvent makes the thermosetting of the first hypothallus 23, in the process can be by adjusting the temperature and time dried, so as to adjust
Evaporation rate, further determines the precipitation height H of anti-granule for absorbing 25 and the surface roughness Ra value of diffusion composite bed 2.By institute
When stating anti-adsorption and diffusion film with the assembling of light guide plate 8, diffusion composite aspect spreads the height H of composite bed rat to light guide plate 8
The anti-adsorbed film of the utility model is determined in the spacing of light guide plate, so as to determine the anti-adsorption effect of anti-adsorption and diffusion film.Work as table
Surface roughness Ra values are preferably 0.35 μm, rat height H is when being preferably 4-6 μm, the anti-adsorption and diffusion film of the utility model with
Light guide plate 8 can reach appropriate spacing, have and play good optics diffusion effect.Meanwhile, diffusion particle 24 and anti-absorption grain
Son 25 is mixed in same hypothallus, simplifies processing procedure operation, reduces cost.
Fig. 3 is the generalized section of the second embodiment of the anti-adsorption and diffusion film of the utility model.Of the present utility model second
Embodiment provides a kind of anti-adsorption and diffusion film, and its feature is similar to first embodiment, and difference is away from diffusion in the base material 1
The side of composite bed 2 sets a diffusion layer 6, and the diffusion layer 6 includes one first hypothallus 63 and diffusion particle 64, the diffusion
Particle is selected from 64 selected from materials such as methyl acrylate particle (PMMA), makrolon (PC), polystyrene (PS), PBMA particles,
Not limited to this, and the particle diameter of the diffusion particle 64 is 3-8 μm, preferably 5 μm.When the both sides of base material 1 are respectively provided with diffusion particle, light
Line is sent by spreading twice by light guide plate, preferably improves optics diffusion effect.
Fig. 4 is the generalized section of the 3rd embodiment of the anti-adsorption and diffusion film of the utility model.Of the present utility model 3rd
Embodiment provides a kind of anti-adsorption and diffusion film, and its feature is similar to first embodiment, and difference is away from diffusion in the base material 1
The side of composite bed 2 sets another diffusion composite bed 2 ', and another diffusion composite bed 2 ' is including one second hypothallus 23 ' and extremely
Small part is embedded in the diffusion particle 24 ' and anti-granule for absorbing 25 ' of the second hypothallus 23 '.The making of another diffusion composite bed 2 '
Method is with reference to a kind of preparation method for spreading composite bed 2 of embodiment.The present embodiment sets diffusion grain in the side away from light guide plate
Son 24 ' and anti-granule for absorbing 25 ', the effect except playing optics diffusion twice, while in the assembling process of display module, by
Other species optical films are often assembled away from the side of light guide plate in diffusion barrier, when the anti-adsorption and diffusion film of the present embodiment is in other
When species optical film is assembled, not only improve the absorption problem between anti-adsorption and diffusion film and light guide plate, also improve and other species
Absorption problem between optical film, improves optical effect.
Fig. 5 is the generalized section of the fourth embodiment of the anti-adsorption and diffusion film of the utility model.Of the present utility model 4th
Embodiment provides a kind of anti-adsorption and diffusion film, and its feature is similar to first embodiment, and difference is the base material 1 multiple away from diffusion
The side for closing layer 2 sets a layers of prisms 9, and in the prior art, the assembling of display module generally needs diffusion barrier with increment film
Superposition, in this implementation, diffusion composite bed is set in the side of base material 1, and opposite side sets layers of prisms, by diffusion function and incremental function
Concentrate in a substrate carrier simultaneously, while having anti-adsorption function, it will be apparent that reduce the thickness of product, while improving optics
Effect.
Fig. 6 is the generalized section of the 5th embodiment of the anti-adsorption and diffusion film of the utility model, and Fig. 7 is put at its local B
Big figure.5th embodiment of the present utility model provides a kind of anti-adsorption and diffusion film, including a base material 1 and at least one diffusion are combined
Layer 2, is arranged at the side of the base material 1, and the diffusion composite bed 2 includes a diffusion layer 6, primary antibody adsorption layer 7, the diffusion layer
6 are arranged at the side of base material 1, and the anti-adsorption layer is arranged at side of the diffusion layer 6 away from base material 1, and the diffusion layer 6 includes one the
Three hypothalluses 63, and at least partially embedded 3rd hypothallus 63 diffusion particle 64；The anti-adsorption layer 7 includes one the 4th
Hypothallus 73 and anti-granule for absorbing 75, the anti-granule for absorbing 75 at least partly separate out the surface of the 4th hypothallus 73, away from base
The surface of material side forms projection, and the height H of the rat is 4-10 μm, preferably 4-6 μm, anti-to inhale multiple diffusion barrier away from base
The surface roughness Ra value of material side is 0.3-0.4 μm, preferably 0.35 μm.The utility model due to the intervention of anti-granule for absorbing,
Separate out substrate layer surface and form projection, in the assembling of display module, form space with the adjacent devices such as surface of light guide plate 8, just
In the circulation of air and aqueous vapor, so as to thoroughly improve absorption.
In specific implementation process, the base material 1 is selected from following material：It is polyethylene terephthalate (PET), poly- right
Benzene dicarboxylic acid butanediol ester (PBT), PEN (PEN) or its co-polymerization modified polyester.3rd hypothallus
63rd, the material that the 4th hypothallus 73 contains is selected from the resinaes such as acrylic resin, polyurethane resin or propylene polyalcohols resin
Material；The thickness of the 3rd hypothallus 63 is 3-10 μm, 10-20 μm of the thickness of the 4th hypothallus；The diffusion particle 64 is selected from third
Material, not limited to this, and the expansions such as e pioic acid methyl ester particle (PMMA), makrolon (PC), polystyrene (PS), PBMA particles
The particle diameter of shot 64 is 3-8 μm, preferably 5 μm.The anti-granule for absorbing 75 is selected from organic silicon particle, polystyrene particle, gathers
Carbonic ester particle, organosiloxane particle, calcium carbonate particle, TiO 2 particles etc., not limited to this, and the anti-granule for absorbing
75 particle diameter is 10-20 μm, preferably 10 μm, 15 μm.
In practical operation, the resinous material and the diffusion particle 64, related solvents, auxiliary agent etc. are formed and is mixed
Liquid, the base material side is coated by way of roll shaft by mixed liquor, by the control to temperature, makes solvent that volatilization to occur existing
Dry the 3rd hypothallus 63 as, heat cure and form diffusion layer 6, by the resinous material and the anti-granule for absorbing 75,
Related solvents, auxiliary agent etc. form mixed liquor, and the mixed liquor is coated into the diffusion layer 6 away from base material 1 by way of roll shaft
Side, by the control to temperature, make solvent that volatilization phenomenon to occur, because molecular motion drives anti-absorption grain in volatilization process
Son 75 separates out the surface of the 4th hypothallus 73, and such dry out solvent makes the thermosetting of the 4th hypothallus 73, in the process can be by adjusting
The temperature and time of drying is saved, so as to adjust evaporation rate, the precipitation height H of anti-granule for absorbing 75 and anti-absorption is further determined
The surface roughness Ra value of layer 7.During due to the anti-adsorption and diffusion film and light guide plate 8 being assembled, composite bed 2 towards leaded light is spread
Plate 8, the raised height H of anti-adsorption and diffusion layer surface determines the spacing of the anti-adsorption and diffusion film of the utility model and light guide plate, from
And determine the anti-adsorption effect of anti-adsorption and diffusion film.0.35 μm is preferably when surface roughness Ra value, H is preferred for rat height
For 4-6 μm when, the anti-adsorption and diffusion film of the utility model and light guide plate 8 can reach appropriate spacing, have and play good optics
Diffusion effect.Meanwhile, diffusion layer 6 and the layering of anti-adsorption layer 7 are set, and incident light can be made by two scatterings of level, are reached more
Good diffusion effect.
Fig. 8 is the generalized section of the sixth embodiment of the anti-adsorption and diffusion film of the utility model.Of the present utility model 6th
Embodiment provides a kind of anti-adsorption and diffusion film, and its feature is similar to the 5th embodiment, and difference is away from diffusion in the base material 1
The side of composite bed 2 sets a diffusion layer 6 ', and the diffusion layer 6 ' includes one the 3rd hypothallus 63 ' and diffusion particle 64 ', described
Diffusion particle is selected from 64 ' selected from methyl acrylate particle (PMMA), makrolon (PC), polystyrene (PS), PBMA particles etc.
The particle diameter of material, not limited to this, and the diffusion particle 64 ' is 3-8 μm, preferably 5 μm.When the both sides of base material 1 are respectively provided with diffusion
Particle, light is sent by spreading twice by light guide plate, preferably improves optics diffusion effect.
Fig. 9 is the generalized section of the 7th embodiment of the anti-adsorption and diffusion film of the utility model.Of the present utility model 7th
Embodiment provides a kind of anti-adsorption and diffusion film, and its feature is similar to the 5th embodiment, and difference is away from diffusion in the base material 1
The side of composite bed 2 sets another diffusion composite bed 2 ', and another diffusion composite bed 2 ' is adsorbed including a diffusion layer 6 ', primary antibody
Layer 7 '.The preparation method that the preparation method of another diffusion composite bed 2 ' spreads composite bed 2 with reference to embodiment five.In the present embodiment
Diffusion layer 6 ' and anti-adsorption layer 7 ', the effect except playing optics diffusion twice, while in the assembling process of display module, by
Other species optical films are often assembled away from the side of light guide plate in diffusion barrier, when the anti-adsorption and diffusion film of the present embodiment is in other
When species optical film is assembled, not only improve the absorption problem between anti-adsorption and diffusion film and light guide plate, also improve and other species
Absorption problem between optical film, improves optical effect.
Figure 10 is the generalized section of the 8th embodiment of the anti-adsorption and diffusion film of the utility model.Of the present utility model 8th
Embodiment provides a kind of anti-adsorption and diffusion film, and its feature is similar to the 5th embodiment, and difference is the base material 1 multiple away from diffusion
The side for closing layer 2 sets a layers of prisms 9, and in the prior art, the assembling of display module generally needs diffusion barrier and increment film, this
In implementation, diffusion composite bed is set in the side of base material 1, opposite side sets layers of prisms, diffusion function and incremental function are collected simultaneously
In in a substrate carrier, while having anti-adsorption function, it will be apparent that reduce product thickness, while improve optical effect.
The utility model provides a kind of anti-adsorption and diffusion film, due to the intervention of anti-granule for absorbing, in the group of display module
Surface forms space in dress, is easy to the circulation of air and aqueous vapor, so as to thoroughly improve absorption.By actual temp in manufacturing process
The setting of parameter, changes the surface roughness Ra value of the anti-adsorption and diffusion film, and rat height H, so as to more preferably ensure
The package thickness and improvement optics diffusion effect of display module.
It should be noted that specific embodiment is only the explanation to technical solutions of the utility model, should not be by
It is interpreted as the restriction to technical solutions of the utility model, any use the utility model essence utility model content and only work office
What portion changed, should fall into protection domain of the present utility model.
Claims (10)
1. a kind of anti-adsorption and diffusion film, it is characterised in that：Including
One base material；
At least one diffusion composite bed, is arranged at the side of the base material, and the diffusion composite bed includes diffusion particle and anti-absorption
Particle, the anti-granule for absorbing forms rat, and the height of the rat is 4-10 μm.
2. anti-adsorption and diffusion film according to claim 1, it is characterised in that：The height of the rat is 4-6 μm.
3. anti-adsorption and diffusion film according to claim 1, it is characterised in that：The diffusion composite bed includes one first matrix
The diffusion particle of layer and at least partially embedded first hypothallus and at least partly separate out first substrate layer surface and form projection
Anti- granule for absorbing.
4. anti-adsorption and diffusion film according to claim 3, it is characterised in that：The thickness of first hypothallus is 10-20 μ
m。
5. anti-adsorption and diffusion film according to claim 1, it is characterised in that：The diffusion composite bed includes a diffusion layer,
Primary antibody adsorption layer, the diffusion layer is arranged at the side of base material, and the anti-adsorption layer is arranged at side of the diffusion layer away from base material,
The diffusion layer includes the diffusion particle of one the 3rd hypothallus and at least partially embedded 3rd hypothallus, the anti-absorption
Layer includes one the 4th hypothallus and at least partly separates out the described anti-granule for absorbing that substrate layer surface forms projection.
6. anti-adsorption and diffusion film according to claim 5, it is characterised in that：The 3rd hypothallus in the diffusion composite bed
Thickness be 3-10 μm, the thickness of the 4th hypothallus is 10-20 μm.
7. anti-adsorption and diffusion film according to claim 1, it is characterised in that：Diffusion particle in the diffusion composite bed
Particle diameter is 3-8 μm.
8. anti-adsorption and diffusion film according to claim 1, it is characterised in that：Anti- granule for absorbing in the diffusion composite bed
Particle diameter be 10-20 μm.
9. anti-adsorption and diffusion film according to claim 1, it is characterised in that the diffusion composite bed is away from base material side
Roughness Ra value is 0.3-0.4 μm.
10. anti-adsorption and diffusion film according to claim 1, it is characterised in that side of the base material away from diffusion composite bed
Further include a diffusion composite bed or a layers of prisms or a diffusion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621377711.1U CN206270521U (en) | 2016-12-15 | 2016-12-15 | Anti- adsorption and diffusion film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621377711.1U CN206270521U (en) | 2016-12-15 | 2016-12-15 | Anti- adsorption and diffusion film |
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| Publication Number | Publication Date |
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| CN206270521U true CN206270521U (en) | 2017-06-20 |
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ID=59045663
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621377711.1U Active CN206270521U (en) | 2016-12-15 | 2016-12-15 | Anti- adsorption and diffusion film |
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| Country | Link |
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| CN (1) | CN206270521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597584A (en) * | 2016-12-15 | 2017-04-26 | 张家港康得新光电材料有限公司 | Anti-absorption diffusion barrier |
-
2016
- 2016-12-15 CN CN201621377711.1U patent/CN206270521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597584A (en) * | 2016-12-15 | 2017-04-26 | 张家港康得新光电材料有限公司 | Anti-absorption diffusion barrier |
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