CN107144901B - Optical slurry film preparation method and optical film - Google Patents
Optical slurry film preparation method and optical film Download PDFInfo
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- CN107144901B CN107144901B CN201710467082.4A CN201710467082A CN107144901B CN 107144901 B CN107144901 B CN 107144901B CN 201710467082 A CN201710467082 A CN 201710467082A CN 107144901 B CN107144901 B CN 107144901B
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- G—PHYSICS
- G02—OPTICS
- 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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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
Abstract
The invention relates to a preparation method of an optical slurry film, which comprises the following steps: step 1, providing a substrate, and coating a layer of prepared first slurry on one surface of the substrate; step 2, coating the prepared second slurry on the first slurry; wherein the first slurry comprises a slurry body and a first solvent mixture; the second slurry is prepared and synthesized by mixing and stirring a film forming agent, a defoaming agent, a surfactant, a second solvent, a coupling agent and a dispersing agent. The invention has the beneficial effects that the light transmittance is improved, and the refraction angle and the refractive index of light are increased. So that light can be uniformly irradiated on the film and the loss is less. By improving the light transmittance, the brightness gain of the light is increased. The increase of the refraction angle of light leads the visual angle of light to be larger, and the improvement of the refraction index of light leads the color resolution to be higher.
Description
Technical Field
The invention relates to a preparation method of an optical slurry film and an optical film manufactured by the preparation method.
Background
With the rise of the projection industry, people have higher and higher pursuit of vision, the traditional projection curtain can not meet the pursuit of vision, the white curtain which is visible everywhere is replaced by the optical screen, and the traditional projector gradually advances to the laser projection line and row. The development of the projector is more and more rapid, the requirement on the screen is more and more increased due to the rapid rise of the projector, the transmittance color reduction degree of the existing projection screen to light is lower, the brightness gain is increased, the visual angle is reduced, the resolution is high, the color reduction degree is high, the high gain is obtained, the large visual angle is also achieved, and the problem which needs to be solved at present is solved urgently.
The invention adopts the optical slurry system with high transmittance to prepare a brand new generation of optical film, wherein the metal oxide and the fluoride are added, so that the refraction angle and the refractive index of light are greatly improved, and the diffusion of the light is more uniform. Increasing its viewing angle. The problem that the gain of the existing screen is increased and the visual angle is reduced is solved, meanwhile, the resolution ratio of the existing screen is low, today a projection screen is difficult to realize when high-definition vision is pursued, and the optical film provided by the invention enables the resolution ratio to reach 4K or above through multiple refraction of light.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a film material prepared from optical slurry, which improves the light transmittance and increases the refraction angle and the refractive index of light. So that light can be uniformly irradiated on the film and the loss is less. By improving the light transmittance, the brightness gain of the light is increased. The technical scheme is that the visible angle of light is larger by increasing the refraction angle of the light, and the color resolution is higher by improving the light refraction index.
The utility model provides an optical film, includes the base plate, the first thick liquids layer of one side coating on the base plate, the second thick liquids layer of coating on the first thick liquids layer, first thick liquids layer includes thick liquids main part and first solvent, and is made by the mixture of the two, the second thick liquids layer includes film-forming agent, defoaming agent, surfactant agent and second solvent, coupling agent and dispersant, and mixes by them stirring stoving preparation synthesis, the thick liquids main part optical refractive index of first thick liquids is greater than the film-forming agent refractive index of second thick liquids, and the film-forming agent of second thick liquids includes the leaded light layer, the leaded light layer is a plurality of transparent micro-sphere particles, and regular lens array closely links to each other, and its diameter is at 5 ~ 200 mu m.
The optical film is prepared by the preparation method of the optical slurry film, and comprises the following steps:
step 2, coating the prepared second slurry on the first slurry;
wherein, the first slurry comprises a slurry main body and a first solvent, and the ratio of the slurry main body is as follows: 70-90% of the first solvent, and 10-30% of the first solvent; the second slurry is prepared and synthesized by mixing and stirring a film forming agent, a defoaming agent, a surfactant, a second solvent, a coupling agent and a dispersing agent, and comprises the following components: 60% -80% of a film forming agent, 0.5% -1% of a defoaming agent, 1% -5% of a surfactant, 10% -40% of a second solvent, 0.5% -1% of a coupling agent and a dispersing agent, wherein the optical refractive index of a slurry main body of the first slurry is larger than that of the film forming agent of the second slurry, the film forming agent of the second slurry comprises microspherical transparent particles, the transparent microspherical particles are arranged in a regular lens array, and the diameter of the transparent microspherical particles is 5-200 mu m.
The refractive index of the transparent particles is 1.4-1.55; the transparent particles are one of PC, PMMA, PS, AS, PPSU, MS, MABS, PET, PETG and CA.
The method as described above, wherein the substrate is mainly composed of PET, PC plastic and modified derivatives thereof having light transmittance of more than 90% and excellent curling.
The method as described above, wherein the first slurry comprises a mixture of a slurry body and a first solvent, the slurry body is one of magnesium oxide, yttrium oxide, zinc sulfide, zinc selenide, gallium arsenide, magnesium fluoride, calcium fluoride, aluminum oxide, SiOx, TiOx and/or NbOx, and the first solvent is a non-aqueous solvent and comprises one of methanol, ethanol, isopropanol, formaldehyde, benzene, chloroform, acetone, methyl acetate, ethyl acetate, DMF.
The first slurry comprises the following components: the proportion of the main body of the slurry is 70-90 percent, and the proportion of the first solvent is 10-30 percent. The second slurry comprises the following components: 60-80% of film forming agent, 0.5-1% of defoaming agent, 1-5% of surfactant, 10-40% of second solvent and 0.5-1% of coupling agent and dispersing agent.
The second solvent is one of methanol, ethanol, isopropanol, formaldehyde, benzene, chloroform, acetone, methyl acetate, ethyl acetate and DMF or water.
The method as described above, wherein the film forming agent can be a protein film forming agent, an acrylic resin film forming agent, a butadiene resin film forming agent, a polyurethane film forming agent, a nitrocellulose film forming agent, and a mixing and modifying system thereof, such as an acrylic resin modified casein film forming agent, an acrylic resin polyurethane copolymer resin, polyethylene, an acrylate modified butadiene resin, and a polyurethane modified nitrocellulose film forming agent.
The film forming agent is a protein film forming agent, an acrylic resin film forming agent, a butadiene resin film forming agent, a polyurethane film forming agent, a nitrocellulose film forming agent, and a system for mixing and modifying the film forming agents.
Furthermore, the first slurry and the substrate are bonded by one or more processes of a vacuum film forming process, a sol-gel film forming process or/and a self-organizing film forming process.
Furthermore, the method for attaching the second slurry to the first slurry is printing and coating.
The optical film based on the method comprises a substrate, wherein a first slurry layer is coated on one surface of the substrate, a second slurry layer is coated on the first slurry layer, the first slurry layer is prepared by mixing a slurry main body and a first solvent, and the second slurry layer is prepared by mixing, stirring and drying a film forming agent, a defoaming agent, a surfactant, a second solvent, a coupling agent and a dispersing agent.
The optical refractive index of the slurry main body of the first slurry is larger than the refractive index of the film forming agent of the second slurry, the film forming agent of the second slurry comprises microspherical transparent particles, the transparent microspherical particles are arranged in a regular lens array, and the diameter of the transparent microspherical particles is 5-200 microns.
And a layer of resin is arranged between the transparent particles of the second sizing agent and the substrate, and the resin is acrylic resin or polyurethane resin.
Drawings
FIG. 1 is a block flow diagram of a method of making an optical slurry film of the present invention.
Fig. 2 is a schematic structural diagram of the embodiment of fig. 1.
FIG. 3 is a schematic structural diagram of an embodiment of an optical film of the present invention.
FIG. 4 is a schematic cross-sectional view of another preferred embodiment of the optical film of the present invention.
FIG. 5 is a microscopic structural view of a second slurry in an embodiment of the present invention.
FIG. 6 is a schematic view of the microstructure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a method for preparing an optical paste film includes: s10, providing a substrate, and coating a layer of prepared first slurry on one surface of the substrate; s20, the second slurry prepared by brushing the first slurry has the following technical characteristics.
Referring to fig. 1 and 6, the first slurry includes a slurry body and a first solvent, and the ratio of the slurry body is: 70-90% of the first solvent, and 10-30% of the first solvent; the second slurry is prepared and synthesized by mixing and stirring a film forming agent, a defoaming agent, a surfactant, a second solvent, a coupling agent and a dispersing agent, and comprises the following components: 60-80% of film forming agent, 0.5-1% of defoaming agent, 1-5% of surfactant, 10-40% of second solvent and 0.5-1% of coupling agent and dispersing agent.
As shown in fig. 2, 3 and 6, the optical film 10 includes a substrate 1, a first slurry layer 2 plated on one side of the substrate, and a second slurry layer 3 coated on the first slurry layer in a dry state, wherein the first slurry layer is prepared by mixing and drying a slurry main body and a first solvent, and the second slurry layer is prepared by mixing, stirring and drying a film forming agent, an antifoaming agent, a surfactant, a second solvent, a coupling agent and a dispersing agent. The optical refractive index of the slurry main body of the first slurry is larger than the refractive index of the film forming agent of the second slurry, the film forming agent of the second slurry comprises a light guide layer 5 of microspherical transparent particles, the transparent microspherical particles are arranged in a regular lens array, and the diameter of the transparent microspherical particles is 5-200 microns. The lens array is used for the light guide layer 5 to guide light waves into the optical film so as to form a clear image, and when light rays are emitted into the optical film, the light guide layer 5 guides the light rays and forms the clear image on the optical film.
Referring to fig. 4 in conjunction with fig. 2 and 3, as another preferred embodiment of the present invention, an optical film includes a substrate 1, on one side of which a mixed slurry layer 4 is coated, wherein the mixed slurry layer is formed by mixing a first slurry and a second slurry, the first slurry layer includes a slurry body mixed with a first solvent, and the second slurry layer is prepared by mixing and stirring a film forming agent, an antifoaming agent, a surfactant, a second solvent, a coupling agent and a dispersing agent. Forming the optical film by drying and other processes.
The optical refractive index of the slurry main body of the first slurry is larger than the refractive index of the film forming agent of the second slurry, the film forming agent of the second slurry comprises microspherical transparent particles, the transparent microspherical particles are arranged in a regular lens array, and the diameter of the transparent microspherical particles is 5-200 microns.
A layer of resin is arranged between the transparent particles of the second sizing agent and the substrate, and the resin is acrylic resin or polyurethane resin.
As shown in fig. 2 to 4, in which the substrate 1 is mainly composed of PET, PC plastic and modified derivatives thereof having light transmittance exceeding 90% and excellent curling, the substrate must ensure light transmittance as an optical film, and the higher the light transmittance, the better the light refraction of the optical coating.
The first slurry comprises a slurry body and a first solvent, wherein the slurry body is formed by mixing one of solvents of magnesium oxide, yttrium oxide, zinc sulfide, zinc selenide, gallium arsenide, magnesium fluoride, calcium fluoride, aluminum oxide, SiOx, TiOx and/or NbOx, and the first solvent is a non-aqueous solvent and can be one or more of methanol, ethanol, isopropanol, formaldehyde, benzene, chloroform, acetone, methyl acetate, ethyl acetate and DMF. Wherein, the higher the amount of metal contained in the paste, the higher the refractive index of the first paste, so that controlling the content of metal in the paste can control the refractive index of the optical film product combined by the paste.
The first slurry comprises the following components: the proportion of the main body of the slurry is 70-90 percent, and the proportion of the first solvent is 10-30 percent. The second solvent may be one of methanol, ethanol, isopropanol, formaldehyde, benzene, chloroform, acetone, methyl acetate, ethyl acetate, and DMF, and in another preferred embodiment, the first solvent may also be water, and the proportion of the first solvent is in the range of 10% to 30%.
The second slurry layer is prepared and synthesized by mixing, stirring and drying a film forming agent, a defoaming agent, a surfactant, a second solvent, a coupling agent and a dispersing agent, and the second slurry comprises the following components: 60-80% of film forming agent, 0.5-1% of defoaming agent, 1-5% of surfactant, 10-40% of second solvent and 0.5-1% of coupling agent and dispersing agent.
The method as described above, wherein the film forming agent can be a protein film forming agent, an acrylic resin film forming agent, a butadiene resin film forming agent, a polyurethane film forming agent, a nitrocellulose film forming agent, and a mixing and modifying system thereof, such as an acrylic resin modified casein film forming agent, an acrylic resin polyurethane copolymer resin, polyethylene, an acrylate modified butadiene resin, and a polyurethane modified nitrocellulose film forming agent.
The second slurry also comprises a coupling agent, the proportion of the coupling agent and the dispersing agent is 0.5% -1%, the coupling agent comprises a silane coupling agent, the silane coupling agent is an organic silicon compound containing two groups with different chemical properties in the molecule, the two ends of the molecule are respectively an organic group and an inorganic group, and the organic group and the inorganic group are combined through the silane coupling agent, so that the coupling agent has the function of promoting the organic molecule and the inorganic molecule in the slurry to carry out the chemical reaction of tight combination.
The second slurry also includes a dispersant in a ratio of 0.5% to-1% of the coupling agent, the dispersant including a methyl methacrylate for promoting uniform dispersion of the material particles in the medium to form a suspension-stabilizing agent.
Of particular note, the addition of metal oxides and fluorides provides a greater improvement in the angle of refraction and refractive index, and thus a more uniform dispersion of light, wherein the control of the metal content in the slurry allows control of the refractive index of the finished optical film assembled from the slurry, and the fluorides allow a slight decrease, i.e., adjustment of the refractive index of the slurry layer to adjust the refractive index characteristics of the overall optical film product. The angle of visibility increases. The increase of the brightness gain of the existing screen inevitably reduces the visual angle, the resolution ratio is lower, and today the high-definition vision is pursued, the projection screen is difficult to realize.
The method as described above, wherein the first slurry is bonded to the substrate by one or more of a vacuum film formation process, a sol-gel film formation process, and/or a self-organized film formation process. The method for attaching the second slurry and the first slurry is printing coating, or coating on the surface of the substrate after mixing. The optical film substrate and each optical layer are manufactured into an optical film final product through composite processes of hot pressing, gluing and the like, or can be manufactured into the optical film final product through processes of coating, spraying, rolling, curing and the like by using a prepared appropriate material.
As shown in fig. 5, it can be seen from the surface morphology of the second paste under the electron microscope that the film formation of the second paste is uniform, both spherical and with a diameter of 5-20 microns, and the spherical morphology has more refraction and diffuse reflection directions to the light source, and the light uniformity is enhanced by continuous refraction. Thereby increasing its viewing angle. Because the light source distribution is more uniform, the resolution and color reproduction degree of the light source are higher.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an optical film, includes the base plate, the first thick liquids layer of one side coating on the base plate, the second thick liquids layer of coating on the first thick liquids layer, first thick liquids layer includes thick liquids main part and first solvent, and makes by the mixture of the two, the second thick liquids layer includes film-forming agent, defoaming agent, surfactant agent, second solvent, coupling agent and dispersant, and mixes by them stirring stoving preparation synthesis, the thick liquids main part optical refractive index of first thick liquids is greater than the film-forming agent refractive index of second thick liquids, and the film-forming agent of second thick liquids includes the leaded light layer, the leaded light layer is a plurality of transparent micro-spherical particles, and regular lens array closely links to each other, and its diameter is at 5 ~ 200 mu m.
2. The optical film of claim 1, wherein the first paste comprises a mixture of a paste body and a first solvent, the paste body is one of magnesium oxide, yttrium oxide, zinc sulfide, zinc selenide, gallium arsenide, magnesium fluoride, calcium fluoride, aluminum oxide, SiOx, TiOx, and/or NbOx, and the first solvent is a non-aqueous solvent and comprises one of methanol, ethanol, isopropanol, formaldehyde, benzene, chloroform, acetone, methyl acetate, ethyl acetate, DMF.
3. The optical film according to claim 1, wherein a layer of resin is further provided between the transparent particles of the second paste and the substrate, and the resin is an acrylic or polyurethane resin.
4. The optical film of claim 1, wherein the refractive index of the microspheroidal particles is between 1.4 and 1.55; the micro-spherical particles are one of PC, PMMA, PS, AS, PPSU, MS, MABS, PET, PETG and CA.
5. The optical film according to claim 1, wherein the substrate is PET, PC plastic or a modified derivative thereof having light transmittance of more than 90% and excellent curling.
6. The optical film according to claim 1, wherein the second solvent is one of methanol, ethanol, isopropanol, formaldehyde, benzene, chloroform, acetone, methyl acetate, ethyl acetate, DMF or water.
7. The optical film of claim 1, wherein the film former is a protein film former, an acrylic resin film former, a butadiene resin film former, a polyurethane film former, a nitrocellulose film former, and intermingled and modified systems thereof.
8. A method of making an optical syrup film comprising:
step 1, providing a substrate, and coating a layer of prepared first slurry on the substrate;
step 2, coating the prepared second slurry on the first slurry; wherein, the first slurry comprises a slurry main body and a first solvent, and the ratio of the slurry main body is as follows: 70-90% of the first solvent, and 10-30% of the first solvent; the second slurry is prepared and synthesized by mixing and stirring a film forming agent, a defoaming agent, a surfactant, a second solvent, a coupling agent and a dispersing agent, and comprises the following components: 60% -80% of a film forming agent, 0.5% -1% of a defoaming agent, 1% -5% of a surfactant, 10% -40% of a second solvent, 0.5% -1% of a coupling agent and a dispersing agent, wherein the optical refractive index of a slurry main body of the first slurry is larger than that of the film forming agent of the second slurry, the film forming agent of the second slurry comprises microspherical transparent particles, the transparent microspherical particles are arranged in a regular lens array, and the diameter of the transparent microspherical particles is 5-200 mu m.
9. The method for preparing an optical paste film according to claim 8, wherein the first paste is bonded to the substrate by one or more of a vacuum film formation process, a sol-gel film formation process, and/or a self-organized film formation process.
10. The method for preparing an optical paste film according to claim 8, wherein the method for attaching the second paste to the first paste is printing coating.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515084A (en) * | 2009-03-03 | 2009-08-26 | 华映光电股份有限公司 | Optical slurry composition, preparing method thereof and method preparing colorful light filtering substrate |
| CN102565893A (en) * | 2010-12-09 | 2012-07-11 | 湖北航天化学技术研究所 | Optical diffusion film and preparation method thereof |
| CN104271509A (en) * | 2012-05-29 | 2015-01-07 | 斯泰拉化工公司 | Magnesium fluoride particle, method for producing magnesium fluoride particle, magnesium fluoride particle dispersion, method for producing magnesium fluoride particle dispersion, composition for forming layer having low refractive index, method for producing composition for forming layer having low refractive index, substrate with layer having low refractive index, and method for producing substrate with layer having low refractive index |
| CN106772747A (en) * | 2016-12-26 | 2017-05-31 | 深圳市光科全息技术有限公司 | A kind of optical film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7700150B2 (en) * | 2007-05-30 | 2010-04-20 | Chung Shan Institute Of Science And Technology, Armaments Bureau, M.N.D. | Method for preparation of diffusion sheet |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101515084A (en) * | 2009-03-03 | 2009-08-26 | 华映光电股份有限公司 | Optical slurry composition, preparing method thereof and method preparing colorful light filtering substrate |
| CN102565893A (en) * | 2010-12-09 | 2012-07-11 | 湖北航天化学技术研究所 | Optical diffusion film and preparation method thereof |
| CN104271509A (en) * | 2012-05-29 | 2015-01-07 | 斯泰拉化工公司 | Magnesium fluoride particle, method for producing magnesium fluoride particle, magnesium fluoride particle dispersion, method for producing magnesium fluoride particle dispersion, composition for forming layer having low refractive index, method for producing composition for forming layer having low refractive index, substrate with layer having low refractive index, and method for producing substrate with layer having low refractive index |
| CN106772747A (en) * | 2016-12-26 | 2017-05-31 | 深圳市光科全息技术有限公司 | A kind of optical film and preparation method thereof |
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