CN111324000A - Optical screen preparation method and preparation device - Google Patents
Optical screen preparation method and preparation device Download PDFInfo
- Publication number
- CN111324000A CN111324000A CN202010169467.4A CN202010169467A CN111324000A CN 111324000 A CN111324000 A CN 111324000A CN 202010169467 A CN202010169467 A CN 202010169467A CN 111324000 A CN111324000 A CN 111324000A
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- dazzle
- screen
- roller
- layer
- base film
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/602—Lenticular screens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a method and a device for preparing an optical screen, wherein an outer surface layer of a material is used as an outer screen of the screen, a reflecting layer is used as an inner screen of the screen, an optical structure layer is positioned between the outer surface layer of the material and the reflecting layer, the reflecting layer is made of an aluminized film, the optical structure layer is a semi-cylindrical prism structure with the diameter of 15-100 microns, the semi-cylindrical prism structure is formed by using high-refractive-index glue with the refractive index larger than 1.5 through a UV imprinting technology, the outer surface layer of the material is formed by coating the high-refractive-index glue on a PET (polyethylene terephthalate) base film, the outer surface layer of the material is converted into an atomized screen by sand blasting or machining atomization treatment, each microstructure of the optical structure layer can be similar to a small magnifier, parallel projection incident light penetrates through the structure and is still reflected, when environment interference light in other directions enters the viewing area after, the invention can eliminate the ambient light interference, improve the contrast ratio and improve the projection display effect.
Description
Technical Field
The invention belongs to the field of curtains, and relates to a preparation method and a preparation device of an optical screen.
Background
The portable projector is widely applied nowadays along with development of an optical machine technology and a light source technology and implantation of an intelligent function, but due to the technical characteristics of the portable projector, the brightness is difficult to be greatly improved, so that the application range of the portable projector is greatly limited, the existing optical screen is simple in structure, when the optical screen is used as the optical screen of the projector, ambient light interference around the projector cannot be effectively eliminated, the contrast of an image cannot be improved, the projection display effect is greatly reduced, and the use and the viewing experience of a user are greatly influenced.
Disclosure of Invention
The invention aims to provide an optical screen and an optical display.
The purpose of the invention can be realized by the following technical scheme:
the invention discloses a preparation method of an optical screen, which consists of a reflecting layer, an optical structure layer and an outer surface layer of a material, wherein the outer surface layer of the material is used as an outer screen of the screen, the reflecting layer is used as an inner screen of the screen, the optical structure layer is positioned between the outer surface layer of the material and the reflecting layer, the reflecting layer is made of an aluminized film, the optical structure layer is a columnar prism structure formed by high-refractive-index glue, the outer surface layer of the material is formed by coating the high-refractive-index glue on a PET (polyethylene terephthalate) base film, and the outer surface layer of the material is converted into an atomized screen by utilizing atomization treatment.
Furthermore, the manufacturing steps of the optical screen are as follows:
step one, adding 20-30 parts by weight of poly-aliphatic urethane acrylate, 5-15 parts by weight of modified epoxy acrylate, 20-60 parts by weight of polyfunctional acrylate monomer, 2-3 parts by weight of phosphoric acid and 0.5-1.5 parts by weight of other additives into a stirrer, adjusting the rotating speed to 500r/min at 300-;
step two, adding 3-7 parts by weight of filler and 5-15 parts by weight of photoinitiator into the premix, adjusting the rotating speed to 100-200r/min, and continuing stirring for 40-60min to obtain a mixture;
step three, vacuumizing the mixture by using a vacuum machine, and filtering the mixture by using a 80-mesh filter screen after the mixture is completely defoamed by vacuumizing to obtain UV glue;
taking a PET base film with a certain size and length, and introducing the base film into screen processing equipment;
coating UV glue on the upper end face of the PET base film by processing equipment, and enabling the UV glue on the upper end face of the PET base film to form a micro columnar structure through a columnar prism structure roller on the surface;
irradiating the formed micro columnar structure by using ultraviolet light to solidify and form the micro columnar structure;
coating UV glue on the lower end face of the PET base film by processing equipment, and enabling the UV glue on the lower end face of the PET base film to form an atomized screen structure through an anti-dazzle structure roller;
irradiating the formed atomization screen structure by adopting ultraviolet light to solidify and form the atomization screen structure;
step nine, exporting the processing equipment;
step ten, taking out the aluminizer with the same size and length as the processed PET base film;
and step eleven, attaching an aluminum-plated film to the micro columnar structure on the upper end face of the PET base film to obtain the required optical screen.
The invention provides a preparation device of an optical screen preparation method, wherein the columnar prism structure roller in the fifth step comprises the following steps: film guide roller, drive gear, drive shaft, driven gear and columnar prism become the roller, film guide roller is fixed in the drive shaft, drive shaft one end and driving motor output shaft fixed connection, the other end and drive gear fixed connection, columnar prism becomes the roller and is fixed in on the driven shaft, the bearing is installed to driven shaft one end, and the other end is fixed with driven gear, film guide roller upside is located to columnar prism becomes the roller, driven gear meshes with drive gear mutually.
Furthermore, the cylindrical prism forming roller is a solid cylinder, and semi-cylindrical grooves are uniformly formed in the outer side wall of the cylindrical prism forming roller.
Still further, the anti-glare structure roller includes: the anti-dazzle forming roller comprises an anti-dazzle forming roller, an anti-dazzle driven gear, an anti-dazzle driven shaft, an anti-dazzle driving gear, an anti-dazzle film guide roller and an anti-dazzle driving motor, wherein the anti-dazzle forming roller is fixed on the anti-dazzle driven shaft, a bearing is installed at one end of the anti-dazzle driven shaft, the other end of the anti-dazzle driven shaft is fixed with the anti-dazzle driven gear, the anti-dazzle film guide roller is fixed on the anti-dazzle driving shaft, one end of the anti-dazzle driving shaft is fixedly connected with an output shaft of the anti-dazzle driving motor, the other end of the anti-dazzle driving gear is fixed with the anti-dazzle driving gear.
Furthermore, the anti-dazzle forming roller is a solid cylinder, and the outer side wall of the anti-dazzle forming roller is a rough surface.
The invention has the beneficial effects that:
the optical structure layer is a columnar prism structure formed by high-refractive-index glue, projection light is effectively gathered by utilizing the refraction phenomenon generated when light passes through objects with different refractive indexes, and the projection light is converged within the range of 40 degrees from top to bottom in the vertical direction, so that the effective reflection efficiency of the projection light can be effectively improved, the influence of ambient light is reduced, and the brightness and the contrast are improved; the outer surface layer of the material is atomized, so that the surface facula effect is reduced; the reflecting layer is made of high-reflectivity material plated with aluminum film, and the reflectivity is up to
More than 90 percent; each microstructure of the optical structure layer can be analogized to a small magnifier, the parallel projection incident light penetrates through the structure, has the light convergence effect, can still be reflected in parallel after being reflected so as to be effectively utilized, and when the environmental interference light in other directions enters, the environmental interference light does not enter a viewing area after being reflected so as not to influence the contrast ratio.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a cylindrical prism structure roll in the processing apparatus of the present invention;
FIG. 2 is a schematic view of an anti-glare structured roll configuration in a processing apparatus of the present invention;
FIG. 3 is a schematic diagram of the principles of the present invention;
figure 4 is a schematic of the process of the present invention.
FIG. 5 is a schematic diagram of the present invention setting up a bright room test environment and a dark room test environment by the switch of the fluorescent lamp.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Example 1:
as shown in fig. 1-4, an optical screen is composed of a reflective layer, an optical structure layer and an outer surface layer, the outer surface layer serves as an outer screen, the reflective layer serves as an inner screen, the optical structure layer is located between the outer surface layer and the reflective layer, the reflective layer is made of an aluminum-plated film, the optical structure layer is a columnar prism structure formed by high-refractive-index glue, the outer surface layer is formed by coating the high-refractive-index glue on a PET base film, and the outer surface layer is converted into an atomized screen by atomization treatment.
The manufacturing steps of the optical screen are as follows:
step one, adding 20-30 parts by weight of poly-aliphatic urethane acrylate, 5-15 parts by weight of modified epoxy acrylate, 20-60 parts by weight of polyfunctional acrylate monomer, 2-3 parts by weight of phosphoric acid and 0.5-1.5 parts by weight of other additives into a stirrer, adjusting the rotating speed to 500r/min at 300-;
step two, adding 3-7 parts by weight of filler and 5-15 parts by weight of photoinitiator into the premix, adjusting the rotating speed to 100-200r/min, and continuing stirring for 40-60min to obtain a mixture;
step three, vacuumizing the mixture by using a vacuum machine, and filtering the mixture by using a 80-mesh filter screen after the mixture is completely defoamed by vacuumizing to obtain UV glue;
taking a PET base film with a certain size and length, and introducing the base film into screen processing equipment;
coating UV glue on the upper end face of the PET base film by processing equipment, and enabling the UV glue on the upper end face of the PET base film to form a micro columnar structure through a columnar prism structure roller on the surface;
irradiating the formed micro columnar structure by using ultraviolet light to solidify and form the micro columnar structure;
coating UV glue on the lower end face of the PET base film by processing equipment, and enabling the UV glue on the lower end face of the PET base film to form an atomized screen structure through an anti-dazzle structure roller;
irradiating the formed atomization screen structure by adopting ultraviolet light to solidify and form the atomization screen structure;
step nine, exporting the processing equipment;
step ten, taking out the aluminizer with the same size and length as the processed PET base film;
and step eleven, attaching an aluminum-plated film to the micro columnar structure on the upper end face of the PET base film to obtain the required optical screen.
As shown in fig. 1, the cylindrical prism structure roll in the fifth step includes: film guide roller 11, drive gear 12, drive shaft 13, driven shaft 14, driven gear 15 and cylindrical prism shaping roller 16, film guide roller 11 is fixed in on the drive shaft 13, drive shaft 13 one end and driving motor 17 output shaft fixed connection, the other end and drive gear 12 fixed connection, cylindrical prism shaping roller 16 is fixed in on the driven shaft 14, the bearing is installed to driven shaft 14 one end, the other end is fixed with driven gear 15, cylindrical prism shaping roller 16 locates film guide roller 11 upside, driven gear 15 meshes with drive gear 12 mutually.
The cylindrical prism forming roller 16 is a solid cylinder, and the outer side wall of the cylindrical prism forming roller 16 is uniformly provided with a semi-cylindrical groove.
As shown in fig. 2, the anti-glare structure roller in step seven includes: the anti-dazzle forming roller 21, the anti-dazzle driven gear 22, the anti-dazzle driven shaft 23, the anti-dazzle driving shaft 24, the anti-dazzle driving gear 25, the anti-dazzle film guiding roller 26 and the anti-dazzle driving motor 27, wherein the anti-dazzle forming roller 21 is fixed on the anti-dazzle driven shaft 23, one end of the anti-dazzle driven shaft 23 is provided with a bearing, the other end of the anti-dazzle driven shaft 23 is fixed with the anti-dazzle driven gear 22, the anti-dazzle film guiding roller 26 is fixed on the anti-dazzle driving shaft 24, one end of the anti-dazzle driving shaft 24 is fixedly connected with an output shaft of the anti-
25 and an anti-glare film guide roller 26 is arranged on the upper side of the anti-glare forming roller 21, and the anti-glare driven gear 22 is meshed with the anti-glare driving gear 25.
The anti-dazzle forming roller 21 is a solid cylinder, and the outer side wall of the anti-dazzle forming roller 21 is a rough surface.
Example 2:
the optical screen is composed of a reflecting layer and an optical structure layer, wherein the optical structure layer is used as a screen outer side screen, the reflecting layer is used as a screen inner side screen, the reflecting layer is made of an aluminum-plated film, and the optical structure layer is a columnar prism structure formed by high-refractive-index glue.
The manufacturing steps of the optical screen are as follows:
step one, adding 20-30 parts by weight of poly-aliphatic urethane acrylate, 5-15 parts by weight of modified epoxy acrylate, 20-60 parts by weight of polyfunctional acrylate monomer, 2-3 parts by weight of phosphoric acid and 0.5-1.5 parts by weight of other additives into a stirrer, adjusting the rotating speed to 500r/min at 300-;
step two, adding 3-7 parts by weight of filler and 5-15 parts by weight of photoinitiator into the premix, adjusting the rotating speed to 100-200r/min, and continuing stirring for 40-60min to obtain a mixture;
step three, vacuumizing the mixture by using a vacuum machine, and filtering the mixture by using a 80-mesh filter screen after the mixture is completely defoamed by vacuumizing to obtain UV glue;
taking a PET base film with a certain size and length, and introducing the base film into screen processing equipment;
coating UV glue on the upper end face of the PET base film by processing equipment, and enabling the UV glue on the upper end face of the PET base film to form a micro columnar structure through a columnar prism structure roller on the surface;
irradiating the formed micro columnar structure by using ultraviolet light to solidify and form the micro columnar structure;
seventhly, exporting the processing equipment;
step eight, taking out the aluminizer with the same size and length as the processed PET base film;
and step nine, attaching an aluminum-plated film to the micro columnar structure on the upper end face of the PET base film to obtain the required optical screen.
Comparative example 1:
the normal curtain existing on the market is adopted.
Example 3
The screens provided in examples 1-2 and comparative example 1 were placed in a dark room environment and a bright room environment, respectively, and projected using the same projector, and the screen conditions of examples 1-2 and comparative example 1 were observed, with the results shown in table 1;
TABLE 1 test results of examples 1-2 and comparative example 1
As shown in fig. 5, the bright room test environment and the dark room test environment are set by the switch of the fluorescent lamp,
the preferred light measuring device measures distances 2.5 times the screen height, and as can be seen from table 1, example 2 performs significantly better in both the light and dark room environments than the comparative example: high brightness gain, large half visual angle, high contrast, good picture uniformity, but insufficient color reduction and yellow color. By adjusting the formula of the atomized layer glue, the color temperature of the picture is improved, the embodiment 1 is obtained, and the color reduction effect is obviously improved on the basis of keeping high brightness gain, large half visual angle, high contrast and good picture uniformity, so that the optical curtain effect of the embodiment 1 is better.
In conclusion, the optical screen manufactured by the invention can effectively eliminate the ambient light interference and improve the contrast, thereby improving the projection display effect and improving the user experience.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (6)
1. A method for preparing an optical screen is characterized by comprising the following steps: constitute by reflector layer, optical structure layer and material outer surface layer, optical screen component structure is the material outer surface layer as the screen outside screen, and the reflector layer is as the screen inside screen, optical structure layer is located between material outer surface layer and the reflector layer, the reflector layer is made by the aluminizer, optical structure layer is the columnar prism structure who forms with high refractive index glue, the material outer surface layer scribbles high refractive index glue by the PET base film and constitutes, the material outer surface layer utilizes atomization process to make the material outer surface layer turn into the atomization screen.
2. The method for preparing an optical screen according to claim 1, wherein the steps of manufacturing the optical screen are as follows:
step one, adding 20-30 parts by weight of poly-aliphatic urethane acrylate, 5-15 parts by weight of modified epoxy acrylate, 20-60 parts by weight of polyfunctional acrylate monomer, 2-3 parts by weight of phosphoric acid and 0.5-1.5 parts by weight of other additives into a stirrer, adjusting the rotating speed to 500r/min at 300-;
step two, adding 3-7 parts by weight of filler and 5-15 parts by weight of photoinitiator into the premix, adjusting the rotating speed to 100-200r/min, and continuing stirring for 40-60min to obtain a mixture;
step three, vacuumizing the mixture by using a vacuum machine, and filtering the mixture by using a 80-mesh filter screen after the mixture is completely defoamed by vacuumizing to obtain UV glue;
taking a PET base film with a certain size and length, and introducing the base film into screen processing equipment;
coating UV glue on the upper end face of the PET base film by processing equipment, and enabling the UV glue on the upper end face of the PET base film to form a micro columnar structure through a columnar prism structure roller on the surface;
irradiating the formed micro columnar structure by using ultraviolet light to solidify and form the micro columnar structure;
coating UV glue on the lower end face of the PET base film by processing equipment, and enabling the UV glue on the lower end face of the PET base film to form an atomized screen structure through an anti-dazzle structure roller;
irradiating the formed atomization screen structure by adopting ultraviolet light to solidify and form the atomization screen structure;
step nine, exporting the processing equipment;
step ten, taking out the aluminizer with the same size and length as the processed PET base film;
and step eleven, attaching an aluminum-plated film to the micro columnar structure on the upper end face of the PET base film to obtain the required optical screen.
3. A manufacturing apparatus of the optical screen manufacturing method of claim 2, wherein the cylindrical prism structure roller in the fifth step comprises: film guide roller (11), drive gear (12), drive shaft (13), driven shaft (14), driven gear (15) and cylindrical prism shaping roller (16), film guide roller (11) are fixed in on drive shaft (13), drive shaft (13) one end and driving motor (17) output shaft fixed connection, the other end and drive gear (12) fixed connection, cylindrical prism shaping roller (16) are fixed in on driven shaft (14), the bearing is installed to driven shaft (14) one end, and the other end is fixed with driven gear (15), film guide roller (11) upside is located to cylindrical prism shaping roller (16), driven gear (15) mesh with drive gear (12) mutually.
4. The manufacturing apparatus according to claim 3, wherein the cylindrical prism-forming roll (16) is a solid cylinder, and the outer side wall of the cylindrical prism-forming roll (16) is uniformly provided with semi-cylindrical grooves.
5. The manufacturing apparatus according to claim 3, characterized in that: the anti-glare structure roller includes: an anti-dazzle forming roller (21), an anti-dazzle driven gear (22), an anti-dazzle driven shaft (23), an anti-dazzle driving shaft (24), an anti-dazzle driving gear (25), an anti-dazzle film guide roller (26) and an anti-dazzle driving motor (27), the anti-dazzle forming roller (21) is fixed on an anti-dazzle driven shaft (23), one end of the anti-dazzle driven shaft (23) is provided with a bearing, the other end of the anti-dazzle driven shaft is fixed with an anti-dazzle driven gear (22), the anti-dazzle film guide roller (26) is fixed on an anti-dazzle driving shaft (24), one end of the anti-dazzle driving shaft (24) is fixedly connected with an output shaft of an anti-dazzle driving motor (27), the other end of the anti-dazzle driving shaft is fixed with an anti-dazzle driving gear (25), the anti-dazzle film guide roller (26) is arranged on the upper side of the anti-dazzle forming roller (21), the anti-dazzle driven gear (22) is meshed with the anti-dazzle driving gear (25).
6. The manufacturing apparatus according to claim 5, wherein the anti-glare forming roller (21) is a solid cylinder, and an outer side wall of the anti-glare forming roller (21) is a rough surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010169467.4A CN111324000A (en) | 2020-03-12 | 2020-03-12 | Optical screen preparation method and preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010169467.4A CN111324000A (en) | 2020-03-12 | 2020-03-12 | Optical screen preparation method and preparation device |
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| CN111324000A true CN111324000A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010169467.4A Pending CN111324000A (en) | 2020-03-12 | 2020-03-12 | Optical screen preparation method and preparation device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673779A (en) * | 2005-04-30 | 2005-09-28 | 霍永峰 | Cylindrical lens component and producing method, rear projection screen and rear-projection television |
| CN1771462A (en) * | 2003-05-26 | 2006-05-10 | 夏普株式会社 | Reflection type screen |
| CN103946746A (en) * | 2011-12-14 | 2014-07-23 | 株式会社有泽制作所 | Screen and screen manufacturing method |
| CN107459961A (en) * | 2017-06-29 | 2017-12-12 | 李德坤 | A kind of environment-friendly type UV glue and preparation method thereof |
-
2020
- 2020-03-12 CN CN202010169467.4A patent/CN111324000A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1771462A (en) * | 2003-05-26 | 2006-05-10 | 夏普株式会社 | Reflection type screen |
| CN1673779A (en) * | 2005-04-30 | 2005-09-28 | 霍永峰 | Cylindrical lens component and producing method, rear projection screen and rear-projection television |
| CN103946746A (en) * | 2011-12-14 | 2014-07-23 | 株式会社有泽制作所 | Screen and screen manufacturing method |
| CN107459961A (en) * | 2017-06-29 | 2017-12-12 | 李德坤 | A kind of environment-friendly type UV glue and preparation method thereof |
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Application publication date: 20200623 |