CN106154371A - Combined type reflector plate and preparation method thereof - Google Patents
Combined type reflector plate and preparation method thereof Download PDFInfo
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- CN106154371A CN106154371A CN201510203975.9A CN201510203975A CN106154371A CN 106154371 A CN106154371 A CN 106154371A CN 201510203975 A CN201510203975 A CN 201510203975A CN 106154371 A CN106154371 A CN 106154371A
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- transparent base
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- combined type
- reflector plate
- reflectance coating
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Abstract
The present invention relates to a kind of combined type reflector plate, the reflectance coating on described metal basal board including metal basal board and covering, described metal basal board has a smooth reflecting surface, described reflectance coating covers on described reflecting surface, described reflectance coating is gluey transparent base, reflective powder and the mixture of diffusion particle, it is rough Irregular Boundary Surface that described reflectance coating deviates from the surface of described metal basal board, the quality of diffusion particle described in described mixture and described gluey transparent base and the quality of described reflective powder and ratio range be: 0.05 ~ 0.07, described reflective powder is 0.25 ~ 0.54 with the mass values scope of described gluey transparent base.
Description
Technical field
The present invention relates to a kind of combined type reflector plate and preparation method thereof.
Background technology
In backlight module, light source position is relatively fixed, and light direction of illumination is relatively fixed, the direction of propagation that light is reflected after sheet reflection is single, must be designed by light guide board microstructure, make light change the direction of advance in light guide plate, the light source making overall light guide plate irradiate can be evenly.Along with electronic product is the most lightening, backlight module becomes frivolous the most day by day, and the light guide plate in backlight module also will certainly be more and more thinner.But, the thinning of light guide plate can reduce the path that light advances, and increases the degree of difficulty of optical design so that the optical uniformity of backlight module is less susceptible to draw high.
Summary of the invention
In view of this, it is necessary to a kind of combined type reflector plate that can promote backlight module light-emitting uniformity and the manufacture method of combined type reflector plate are provided.
A kind of combined type reflector plate includes metal basal board and covers the reflectance coating on described metal basal board.Described metal basal board has a smooth reflecting surface.Described reflectance coating covers on described reflecting surface.Described reflectance coating is gluey transparent base, reflective powder and the mixture of diffusion particle.It is rough Irregular Boundary Surface that described reflectance coating deviates from the surface of described metal basal board.The quality of diffusion particle described in described mixture and described gluey transparent base and the quality of described reflective powder and ratio range be: 0.05 ~ 0.07.Described reflective powder is 0.25 ~ 0.54 with the mass values scope of described gluey transparent base.
The manufacture method of a kind of combined type reflector plate, including step: provide gluey transparent base, reflective powder and diffusion particle；With described gluey transparent base, described reflective powder is worth ratio that scope is 0.25 ~ 0.54 in mass ratio mix；The mixture of described diffusion particle with described reflective powder and described gluey transparent base is worth the ratio uniform that scope is 0.05 ~ 0.07 in mass ratio and is mixed to form mixture；One metal basal board is provided, and by the mixture uniform application that is mixed to form by firming agent and reflective powder on the surface of described metal basal board；And the mixture cures spreading upon metallic substrate surfaces described in making forms the reflectance coating being attached to metallic substrate surfaces.
Compared with prior art, the combined type reflector plate of present invention offer and the manufacture method of combined type reflector plate, reflector plate is carried out optical design, the backlight module with described combined type reflector plate can save light guide plate, thus reduce the thickness of backlight module；Owing to adding reflective powder and diffusion particle in the material forming reflectance coating, light total reflection in reflectance coating can be destroyed, make reflectance coating have preferably reflecting effect；Also, owing to diffusion particle is piled up in hardening process so that reflectance coating is rough Irregular Boundary Surface away from the surface of metal basal board, so that the light from described reflectance coating outgoing is more uniform.
Accompanying drawing explanation
The generalized section of the combined type reflector plate that Fig. 1 provides for embodiment of the present invention.
Main element symbol description
| Combined type reflector plate | 100 |
| Reflectance coating | 20 |
| Metal basal board | 10 |
| End face | 11 |
| Bottom surface | 12 |
| Gluey transparent base | 21 |
| Reflective powder | 22 |
| Diffusion particle | 23 |
| Lower surface | 24 |
| Upper surface | 25 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
The combined type reflector plate and the combined type reflector plate manufacture method that there is provided the present invention below in conjunction with detailed description of the invention are described in detail.
Referring to Fig. 1, the combined type reflector plate 100 that the specific embodiment of the invention provides includes metal basal board 10 and covers the reflectance coating 20 on described metal basal board.
Described metal basal board 10 is in tabular, and it can use the metal material such as copper, aluminum to make.Described metal basal board 10 primarily serves supporting role.Described metal basal board 10 includes parallel and opposing end face 11 and bottom surface 12.Described end face 11 is a smooth and smooth reflecting surface.
Described reflectance coating 20 is formed on described end face 11, and described reflectance coating 20 is completely covered described end face 11.
Described reflectance coating 20 uses and includes gluey transparent base 21, and the mixture of reflective powder 22 and diffusion particle 23 is made.Described reflectance coating 20 includes opposing lower surface 24 and upper surface 25.Described lower surface 24 contacts with described end face 11.Described upper surface 25 is rough Irregular Boundary Surface.
Described gluey transparent base 21 can be thermal curing agents or ultraviolet curable agent.
In present embodiment, described gluey transparent base 21 is thermal curing agents.Specifically, described gluey transparent base 21 is PEPA, Carbimide. and the mixture of n-butyl acetate composition.Described in described gluey transparent base 21, the PEPA mass values scope with the quality of Carbimide. with described n-butyl acetate is: 0.3 ~ 0.6.
In other embodiments, described gluey transparent base 21 is ultraviolet curable agent.Specifically, described gluey transparent base 21 is acrylic series monomers, polyurethane acrylic oligomer, polyester acryl modification polyester oligomers and the mixture of light initiator composition.Described acryl series monomers is isobornylene methyl propionyl acid esters (Isobornyl Methacrylate), described polyurethane acryl oligomer is aliphatic amine ester propionyl acid esters (Aliphatic urethane Acrylate), and it is carboxylated polyester propionyl acid esters (Carboxylated that described polyester acryl modifies polyester oligomers
Polyester acrylate), described smooth initiator is hydroxy-cyclohexyl-phenyl ketone (Hydroxycyclohexyl-phenyl-ketone).The mass ratio that described in described gluey transparent base 21, acryl series monomers, described polyurethane acryl oligomer, described polyester acryl are modified between polyester oligomers and light initiator is: 10:6:3:1.
Described reflective powder 22 can be the white reflection powder such as barium sulfate or titanium dioxide.In present embodiment, the particle diameter of described reflective powder 22 is the most equal, and the particle size range of described reflective powder 22 is: 0.2 μm ~ 0.3 μm.Described reflective powder 22 with the mass values scope of described gluey transparent base 21 is: 0.25 ~ 0.54.In other embodiments, described reflectance coating 20 can comprise the multiple described reflective powder 22 with different-grain diameter.
Described diffusion particle 23 can by the materials such as polymethyl methacrylate, polystyrene, the copolymer of polymethyl methacrylate and polystyrene, silicon dioxide any one or appoint a different materials to make.Described diffusion particle 23 can be hollow or solid construction.In present embodiment, the particle diameter of described diffusion particle 23 is the most equal, and the particle size range of described diffusion particle 23 is: 0.5 μm ~ 300 μm.The quality of described diffusion particle 23 and described gluey transparent base 21 and the quality of reflective powder 22 and ratio range be: 0.05 ~ 0.07.In other embodiments, described reflectance coating 20 can comprise the multiple described diffusion particle 23 with different-grain diameter.
The invention still further relates to a kind of method making combined type reflector plate 100 as above, the manufacture method of described combined type reflector plate 100 comprises the steps.
The first step, it is provided that gluey transparent base 21 and reflective powder 22.
In present embodiment, described gluey transparent base 21 is thermal curing agents.Specifically, described gluey transparent base 21 is PEPA, Carbimide. and the mixture of n-butyl acetate composition.Described in described gluey transparent base 21, the PEPA ratio range with the quality of Carbimide. with the quality of described n-butyl acetate is: 0.3 ~ 0.6.
Described gluey transparent base 21 can obtain in the following way:
First, it is provided that PEPA and the mixture of Carbimide., and n-butyl acetate；
Then, PEPA is mixed according to the ratio uniform that mass values scope is 0.3 ~ 0.6 with n-butyl acetate with the mixture of Carbimide., obtain described gluey transparent base 21.
In other embodiments, described gluey transparent base 21 is ultraviolet curable agent.Specifically, described gluey transparent base 21 is acrylic series monomers, polyurethane acrylic oligomer, polyester acryl modification polyester oligomers and the mixture of light initiator composition.Described acryl series monomers is isobornylene methyl propionyl acid esters (Isobornyl Methacrylate), described polyurethane acryl oligomer is aliphatic amine ester propionyl acid esters (Aliphatic urethane Acrylate), and it is carboxylated polyester propionyl acid esters (Carboxylated that described polyester acryl modifies polyester oligomers
Polyester acrylate), described smooth initiator is hydroxy-cyclohexyl-phenyl ketone (Hydroxycyclohexyl-phenyl-ketone).The mass ratio that described in described gluey transparent base 21, acryl series monomers, described polyurethane acryl oligomer, described polyester acryl are modified between polyester oligomers and light initiator is: 10:6:3:1.
Now, described gluey transparent base 21 can obtain in the following way:
First, it is provided that acrylic series monomers, polyurethane acrylic oligomer, polyester acryl modify polyester oligomers and light initiator；
Then, by described acrylic series monomers, polyurethane acrylic oligomer, polyester acryl modifies polyester oligomers and mode that light initiator example in mass ratio is 10:6:3:1 uniformly mixes, and obtains described gluey transparent base 21.
Described reflective powder 22 can be the white reflection powder such as barium sulfate or titanium dioxide.In present embodiment, described reflective powder 22 is titania powder.The particle diameter of described reflective powder 22 is the most equal, and the particle size range of described reflective powder 22 is: 0.2 μm ~ 0.3 μm.
Second step, mixes described reflective powder 22 according to the ratio uniform that mass values scope is 0.25 ~ 0.54 with described gluey transparent base 21.
3rd step, it is provided that diffusion particle 23, and the mixture of described diffusion particle 23 with described reflective powder 22 and described gluey transparent base 21 is mixed to form mixture according to the ratio uniform that mass values scope is 0.05 ~ 0.07.
Described diffusion particle 23 can by the materials such as polymethyl methacrylate, polystyrene, the copolymer of polymethyl methacrylate and polystyrene, silicon dioxide any one or appoint a different materials to make.Described diffusion particle 23 can be hollow or solid construction.In present embodiment, the particle diameter of described diffusion particle 23 is the most equal, and the particle size range of described diffusion particle 23 is: 0.5 μm ~ 300 μm.
4th step a, it is provided that metal basal board 10, and by the surface of the mixture uniform application that is mixed to form by gluey transparent base 21, reflective powder 22 and diffusion particle 23 to metal basal board 10.
Described metal basal board 10 is in tabular, and it can use the metal material such as copper, aluminum to make.Described metal basal board 10 primarily serves supporting role.Described metal basal board 10 includes parallel and opposing end face 11 and bottom surface 12.Described end face 11 is a smooth and smooth reflecting surface.In present embodiment, described gluey transparent base 21, reflective powder 22 and diffusion particle 23 mixture being mixed to form is smeared to the end face 11 of described metal basal board 10 equably, and described end face 11 is completely covered.
5th step, the most again refering to Fig. 1, make described in smear to the mixture cures on metal basal board 10 surface and form the reflectance coating 20 of the end face 11 being attached to described metal basal board 10.
Described reflectance coating 20 includes opposing lower surface 24 and upper surface 25.Described lower surface 24 contacts with described end face 11.In hardening process, diffusion particle 23 within the described mixture smearing to metal basal board 10 surface is piled up, making the reflectance coating 20 ultimately formed is rough Irregular Boundary Surface away from the surface of described metal basal board 10, i.e., make upper surface 25 in rough Irregular Boundary Surface so that the light from the outgoing of described reflectance coating 20 is more uniformly distributed.
In present embodiment, described gluey transparent base 21 is thermal curing agents.Smear to the mixture cures on metal basal board 10 surface described in making and form that to be attached to the reflectance coating 20 on metal basal board 10 surface be to pass through mode of heating.
In other embodiments, described gluey transparent base 21 is ultraviolet curable agent.Smear to the mixture cures on metal basal board 10 surface described in making and form that to be attached to the reflectance coating 20 on metal basal board 10 surface be by ultraviolet light radiation modality.
The combined type reflector plate of present invention offer and the manufacture method of combined type reflector plate, carry out optical design to reflector plate, can save light guide plate, thus reduce the thickness of described backlight module in the backlight module with described combined type reflector plate 100；Owing to adding reflective powder 22 and diffusion particle 23 in the material forming reflectance coating 20, light total reflection in reflectance coating 20 can be destroyed, make reflectance coating 20 have preferably reflecting effect；Owing to diffusion particle 23 is piled up in hardening process so that reflectance coating 20 is rough Irregular Boundary Surface away from the surface of metal basal board 10, so that the light from the outgoing of described reflectance coating 20 is more uniform.And, the combined type reflector plate 100 of present invention offer and the manufacture method of combined type reflector plate, combine reflectance coating 20 with metal basal board 10, and reflectance coating 20 can be supported by metal basal board 10, its thickness is minimized, and then makes the thickness of backlight module reduce further.
Below mass ratio shared by the mixture when described gluey transparent base 21 and the described gluey transparent base 21 of the described each leisure of reflective powder 22 and described reflective powder 22, and each component, in mass ratio one timing shared by described gluey transparent base 21 and the mixture of described reflective powder 22, adds, in the mixture of described reflective powder 22, the experimental data that reflectance coating 20 reflecting effect is affected by the diffusion particle 23 of different quality ratio at described gluey transparent base 21 in described gluey transparent base 21.
When described gluey transparent base 21 is PEPA, Carbimide. and the mixture of n-butyl acetate composition；The described gluey each component of transparent base 21 is respectively as follows: PEPA and Carbimide. at mass ratio shared by described gluey transparent base 21 and the mixture of described reflective powder 22: 22%；Ethyl N-butyl: 50%；Reflective powder: when 28%, the experimental data such as table 1 that reflectance coating reflecting effect is affected by the diffusion particle 23 at the mixture addition different quality ratio (quality of diffusion particle 23 and gluey transparent base 21 and the ratio of the quality of the mixture of reflective powder 22) at described gluey transparent base 21 and described reflective powder 22:
Table 1
| The diffusion particle added | Reflectance |
| 0 | 95% |
| 5% | 96.5% |
| 6% | 98.43% |
| 7% | 99.64% |
When described gluey transparent base 21 is acrylic series monomers, polyurethane acrylic oligomer, polyester acryl modification polyester oligomers and the mixture of light initiator composition；The described gluey each component of transparent base 21 is respectively as follows: acrylic series monomers 36% at mass ratio shared by the mixture of described gluey transparent base 21 and described reflective powder 22；Polyurethane acrylic oligomer 21.6%；Polyester acryl modifies polyester oligomers 10.8%；During light initiator 3.6%, the experimental data such as table 2 that reflectance coating reflecting effect is affected by the diffusion particle 23 at the mixture addition different quality ratio (quality of diffusion particle 23 and gluey transparent base 21 and the ratio of the quality of the mixture of reflective powder 22) of described gluey transparent base 21 and described reflective powder 22:
Table 2
| The diffusion particle added | Reflectance |
| 0 | 95.89% |
| 5% | 96.76% |
| 6% | 98.78% |
| 7% | 99.89% |
From Tables 1 and 2, not adding diffusion particle 23 in described reflectance coating 20 after adding described diffusion particle 23 in described reflectance coating 20, the reflecting effect of described reflectance coating 20 is obviously improved.
It is understood that for the person of ordinary skill of the art, can conceive according to the technology of the present invention and make other various corresponding changes and deformation, and all these change all should belong to the protection domain of the claims in the present invention with deformation.
Claims (10)
1. a combined type reflector plate, the reflectance coating on described metal basal board including metal basal board and covering, described metal basal board has a smooth reflecting surface, described reflectance coating covers on described reflecting surface, described reflectance coating is gluey transparent base, reflective powder and the mixture of diffusion particle, it is rough Irregular Boundary Surface that described reflectance coating deviates from the surface of described metal basal board, the quality of described diffusion particle and described gluey transparent base and the quality of described reflective powder and ratio range be: 0.05 ~ 0.07, described reflective powder is 0.25 ~ 0.54 with the mass values scope of described gluey transparent base.
2. combined type reflector plate as claimed in claim 1, it is characterised in that described gluey transparent base is firming agent.
3. combined type reflector plate as claimed in claim 2, it is characterized in that, described gluey transparent base is PEPA, Carbimide. and the mixture of n-butyl acetate composition, the quality of described PEPA and described Carbimide. and mass values scope with described n-butyl acetate be 0.3 ~ 0.6.
4. combined type reflector plate as claimed in claim 2, it is characterized in that, described gluey transparent base is acrylic series monomers, polyurethane acrylic oligomer, polyester acryl modification polyester oligomers and the mixture of light initiator composition, and the mass ratio that in described gluey transparent base, acryl series monomers, described polyurethane acryl oligomer, described polyester acryl are modified between polyester oligomers and light initiator is: 10:6:3:1.
5. combined type reflector plate as claimed in claim 1, it is characterised in that the particle size range of described diffusion particle is 0.5 micron ~ 300 microns.
6. a manufacture method for combined type reflector plate, including step:
Gluey transparent base and reflective powder are provided；
With described gluey transparent base, described reflective powder is worth ratio that scope is 0.25 ~ 0.54 in mass ratio mix；
Diffusion particle is provided, and the mixture of described diffusion particle and described reflective powder and described gluey transparent base is worth the ratio uniform that scope is 0.05 ~ 0.07 is in mass ratio mixed to form mixture；
One metal basal board is provided, and by the surface of the mixture uniform application that is mixed to form by gluey transparent base, reflective powder and diffusion particle to metal basal board；And
The mixture cures smearing to metallic substrate surfaces described in making forms the reflectance coating being attached to metallic substrate surfaces.
7. the manufacture method of combined type reflector plate as claimed in claim 6, it is characterised in that described gluey transparent base is to obtain in the following way:
PEPA and the mixture of Carbimide. formation and n-butyl acetate are provided；
With described n-butyl acetate, described PEPA is worth the ratio uniform that scope is 0.3 ~ 0.6 with the mixture of Carbimide. in mass ratio mix, obtains described gluey transparent base.
8. the manufacture method of combined type reflector plate as claimed in claim 7, it is characterised in that smear to the mixture cures of metallic substrate surfaces described in making and form that to be attached to the reflectance coating of metallic substrate surfaces be to pass through mode of heating.
9. the manufacture method of combined type reflector plate as claimed in claim 6, it is characterised in that described gluey transparent base is to obtain in the following way:
Acrylic series monomers, polyurethane acrylic oligomer, polyester acryl is provided to modify polyester oligomers and light initiator；
By described acrylic series monomers, polyurethane acrylic oligomer, polyester acryl modifies polyester oligomers and mode that light initiator example in mass ratio is 10:6:3:1 uniformly mixes, and obtains described gluey transparent base.
10. the manufacture method of combined type reflector plate as claimed in claim 9, it is characterised in that smear to the mixture cures of metallic substrate surfaces described in making and form that to be attached to the reflectance coating of metallic substrate surfaces be by ultraviolet light radiation modality.
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| CN201510203975.9A CN106154371A (en) | 2015-04-27 | 2015-04-27 | Combined type reflector plate and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705861A (en) * | 2018-04-28 | 2018-10-26 | 重庆川之舟印务设计有限公司 | Printing machine drying device |
| CN110261942A (en) * | 2018-03-12 | 2019-09-20 | 深圳光峰科技股份有限公司 | Wavelength converter and preparation method thereof |
-
2015
- 2015-04-27 CN CN201510203975.9A patent/CN106154371A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261942A (en) * | 2018-03-12 | 2019-09-20 | 深圳光峰科技股份有限公司 | Wavelength converter and preparation method thereof |
| CN108705861A (en) * | 2018-04-28 | 2018-10-26 | 重庆川之舟印务设计有限公司 | Printing machine drying device |
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Application publication date: 20161123 |