CN115220140A - Flexible optical prism film and using method thereof - Google Patents
Flexible optical prism film and using method thereof Download PDFInfo
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- CN115220140A CN115220140A CN202210962953.0A CN202210962953A CN115220140A CN 115220140 A CN115220140 A CN 115220140A CN 202210962953 A CN202210962953 A CN 202210962953A CN 115220140 A CN115220140 A CN 115220140A
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- prism
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- 230000003287 optical effect Effects 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000010410 layer Substances 0.000 claims abstract description 116
- 239000000758 substrate Substances 0.000 claims abstract description 64
- 238000002845 discoloration Methods 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 239000012790 adhesive layer Substances 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000004043 dyeing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 150000003553 thiiranes Chemical class 0.000 claims description 3
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 230000008859 change Effects 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 34
- 238000002834 transmittance Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000012788 optical film Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004780 naphthols Chemical class 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
- G02B5/045—Prism arrays
-
- 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
- G02B1/14—Protective coatings, e.g. hard coatings
Abstract
The invention provides a flexible optical prism film and a use method thereof, belonging to the technical field of optical composite films, and the flexible optical prism film is composed of a first flexible substrate, a prism film layer, a second flexible substrate and a color-changing layer, wherein the prism film layer is arranged between the first flexible substrate and the second flexible substrate, the prism film layer comprises a first prism layer, a second prism layer and an adhesive layer, the first prism layer and the second prism layer are bonded through the adhesive layer, and the color-changing layer is arranged on the surfaces of the first flexible substrate, the prism film layer and the second flexible substrate; first prism layer, second prism layer are mutually supported, can effectively improve the increment effect, and cooperation discoloration layer reduces under the luminousness nature, can keep the flexible optics prism membrane that obtains at last to possess certain light transmissivity to possess the effect of discolouing, and along with the intensity change its light transmissivity of light, the light that sees through can keep certain luminance within range, avoid non-light tight light to cross bright or dark excessively.
Description
Technical Field
The invention belongs to the technical field of optical composite films, and particularly relates to a flexible optical prism film and a using method thereof.
Background
The optical composite film is an upgraded variety of optical films, has become another new improvement point of the optical films by virtue of higher assembly yield, lower comprehensive cost, good anti-warping effect and more thinning space, is commonly used in industrial equipment and electronic products, is one of the flexible optical prism films, is internally provided with a prism structure, collects the light within an effective visual angle range and plays a role in brightening.
The flexible optical prism film is generally of a light-transmitting structure, light brightness after light transmission can be improved, a color-changing function is required on some light-transmitting tools, the light brightness after light transmission can be reduced by the color-changing function of the common optical composite film, great influence is caused on the light-transmitting function of the common optical composite film, and the problem that light cannot be transmitted is directly caused.
Disclosure of Invention
The invention aims to provide a flexible optical prism film and a using method thereof, and aims to solve the problem that the light brightness after light transmission is reduced and the light transmission function is greatly influenced by the color change function of a common optical composite film in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a flexible optical prism membrane comprises first flexible substrate, prism rete, the flexible substrate of second and discoloration layer, the prism rete sets up between first flexible substrate and the flexible substrate of second, the prism rete includes first prism layer, second prism layer and bond line, first prism layer, second prism layer form through the bond line bonding, discoloration layer sets up in the surface of first flexible substrate, prism rete, the flexible substrate of second.
In a preferred embodiment of the present invention, the color-changing layer is processed by mixing an organic photochromic powder, a hardening liquid, an alcohol carrier and a solvent to obtain a color-changing solution, wherein:
the organic photochromic powder accounts for 3 to 7 percent of the photochromic layer;
hardening liquid, which accounts for 10% -20% of the color-changing layer;
the alcohol carrier accounts for 70-80% of the color-changing layer;
and the solvent accounts for 1-5% of the color-changing layer.
In a preferred embodiment of the present invention, the organic photochromic powder is selected from azo compounds or naphthol compounds; the hardening liquid comprises a coupling agent, an episulfide monomer and a catalyst.
In a preferred embodiment of the present invention, the color-changing layer has a thickness of 3 to 6 μm.
As a preferable aspect of the present invention, the first prism layer includes a first prism forming layer and a first substrate, the first prism forming layer is disposed on an upper side of the first substrate, and the prism forming layer is formed by a plurality of uniformly distributed triangular lines having the same size.
As a preferable scheme of the present invention, the second prism layer includes a second prism forming layer and a second substrate, the second prism forming layer is disposed on an upper side of the second substrate, the second prism forming layer is formed by two kinds of large and small triangular lines, and the large triangular line and the small triangular line are distributed at intervals.
As a preferred scheme of the present invention, the first flexible substrate, the second flexible substrate, the first base and the second base are all made of polyethylene terephthalate, the thicknesses of the first flexible substrate and the second flexible substrate are 80um to 120um, and the thicknesses of the first base and the second base are 40um to 60um.
As a preferable scheme of the invention, the bonding layer is a composite film adhesive, and the thickness of the bonding layer is 5-10 um.
In a preferred embodiment of the present invention, the refractive index of the first prism-molded layer is 1.40 to 1.60, and the refractive index of the second prism-molded layer is 1.45 to 1.75.
As a preferable aspect of the present invention, a method for manufacturing a flexible optical prism film includes the steps of:
s1, bonding a first flexible substrate, a prism film layer and a second flexible substrate in a glue bonding mode to obtain a flexible prism film;
s2, preparing 3-7% of organic photochromic powder, 10-20% of hardening liquid, 70-80% of alcohol carrier and 1-5% of solvent according to molar percentage, and stirring and mixing the organic photochromic powder, the hardening liquid, the alcohol carrier and the solvent to obtain a photochromic solution;
and S3, putting the flexible prism film obtained in the S1 into the color-changing solution obtained in the S2 for dip dyeing for 3-5 h, and taking out and drying at 80-100 ℃ for about 1h to obtain the flexible optical prism film.
Compared with the prior art, the invention has the beneficial effects that:
1. prism rete sets up between first flexible substrate and the flexible substrate of second in this scheme, can protect the triangle-shaped structure of prism rete, the prism rete possesses first prism layer, the two-layer light transmission structure of second prism layer, first prism layer, second prism layer mutually support, can effectively improve the increment effect, cooperation color-changing layer reduces under the luminousness nature, can keep the flexible optical prism membrane that obtains at last to possess certain light transmissivity to possess the effect of discolouing.
2. When strong the shining at light in this scheme, the discoloration layer can change colour to non-light tight light, and the luminousness has been reduced, when light is not strong, under the effect of organic photochromic powder material, the discoloration effect on discoloration layer weakens, the luminousness increases, thereby it has certain light transmissivity all the time to keep flexible optical prism membrane, and along with the intensity of light changes its light transmissivity, avoid non-light tight light too bright or dark, its special nature can be used on some printing opacity instruments, for example, the printing opacity lens, goggles etc., accord with actual demand.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a prism film according to the present invention;
FIG. 3 is a table showing the composition of the discoloration layer according to the present invention.
The reference numbers in the figures illustrate: 1. a first flexible substrate; 2. a prism film layer; 201. a first prism layer; 2011. a first prism molding layer; 2012. a first substrate; 202. a second prism layer; 2021. a second prism molding layer; 2022. a second substrate; 203. an adhesive layer; 3. a second flexible substrate; 4. a color-changing layer; 401. an organic photochromic powder; 402. hardening liquid; 403. an alcohol carrier; 404. a solvent.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1 to fig. 3, the technical solution provided by the present embodiment is as follows:
the utility model provides a flexible optical prism membrane, by first flexible substrate 1, prism rete 2, the flexible substrate of second 3 and discoloration layer 4 constitute, prism rete 2 sets up between first flexible substrate 1 and the flexible substrate of second 3, prism rete 2 includes first prism layer 201, second prism layer 202 and bond line 203, first prism layer 201, second prism layer 202 forms through the bonding of bond line 203, discoloration layer 4 sets up in first flexible substrate 1, prism rete 2, the flexible substrate 3's of second surface.
In a specific embodiment of the present invention, a first flexible substrate 1, a prism film layer 2, and a second flexible substrate 3 are bonded by glue to form a flexible prism film, the prism film layer 2 is disposed between the first flexible substrate 1 and the second flexible substrate 3, and can protect a triangular structure of the prism film layer 2, the prism film layer 2 has two light-transmitting structures, namely a first prism layer 201 and a second prism layer 202, the first prism layer 201 and the second prism layer 202 are matched with each other, so that an incremental effect can be effectively improved, and the finally obtained flexible optical prism film can maintain a certain light transmittance and has a color change effect when the light transmittance is reduced by matching with a color change layer 4.
Specifically, the color-changing layer 4 is processed by mixing an organic photochromic powder 401, a hardening liquid 402, an alcohol carrier 403 and a solvent 404 to obtain a color-changing solution, wherein: the proportion of the organic photochromic powder 401 in the photochromic layer 4 is 3-7%; the hardening liquid 402 accounts for 10 to 20 percent of the color-changing layer 4; the proportion of the alcohol carrier 403 in the color-changing layer 4 is 70-80%; the solvent 404 accounts for 1 to 5 percent of the discoloring layer 4; the organic photochromic powder 401 is selected from azo or naphthol; the hardening fluid 402 includes a coupling agent, an episulfide monomer, and a catalyst; the thickness of the color changing layer 4 is 3 to 6 μm.
In the specific embodiment of the present invention, a color-changing solution is obtained under the configuration of the organic photochromic powder 401, the hardening liquid 402, the alcohol carrier 403 and the solvent 404, after the flexible prism film is immersed in the color-changing solution, the color-changing layer 4 is formed on the surface of the flexible prism film, the flexible optical prism film is obtained, when the light is strongly irradiated, the color-changing layer 4 can change the color of the transparent light and reduce the light transmittance, when the light is not strong, the color-changing effect of the color-changing layer 4 is weakened and the light transmittance is increased under the action of the material of the organic photochromic powder 401, so that the flexible optical prism film always has a certain light transmittance, and the light transmittance is changed along with the light intensity, the transparent light can keep a certain brightness range, and the transparent light is prevented from being too bright or too dark, and the special property can be used on some transparent tools, such as transparent lenses, goggles and the like, which meet the actual requirements.
Specifically, the first prism layer 201 includes a first prism molding layer 2011 and a first substrate 2012, the first prism molding layer 2011 is disposed on the upper side of the first substrate 2012, the prism molding layer is formed by a plurality of uniformly distributed triangular grains with the same size, the second prism layer 202 includes a second prism molding layer 2021 and a second substrate 2022, the second prism molding layer 2021 is disposed on the upper side of the second substrate 2022, the second prism molding layer 2021 is formed by two kinds of triangular grains with different sizes, and the large triangular grains and the small triangular grains are distributed at intervals.
In the embodiment of the present invention, the first prism layer 201 and the second prism layer 202 have two layers of light-transmitting structures, the first prism molding layer 2011 has the same triangular grain structure and stable refractive index, the large triangular grains and the small triangular grains of the second prism molding layer 2021 are distributed at intervals, and the three triangular grains are distributed uniformly, so that the light-collecting effect can be improved.
Preferably, the first flexible substrate 1, the second flexible substrate 3, the first base 2012 and the second base 2022 are made of polyethylene terephthalate, the thicknesses of the first flexible substrate 1 and the second flexible substrate 3 are 80um to 120um, and the thicknesses of the first base 2012 and the second base 2022 are 40um to 60um.
In the specific embodiment of the invention, the polyethylene glycol terephthalate is a milky white or light yellow polymer with high crystallinity, has smooth and glossy surface, is a common resin in life, has excellent physical and mechanical properties and excellent electrical insulation, and has good electrical properties even at high temperature and high frequency, but has poor corona resistance, creep resistance, fatigue resistance, friction resistance and dimensional stability and long service life.
Preferably, the adhesive layer 203 is made of a composite film adhesive, and the thickness of the adhesive layer 203 is 5um to 10um.
Preferably, the refractive index of the first prism molding layer 2011 is 1.40 to 1.60, and the refractive index of the second prism molding layer 2021 is 1.45 to 1.75.
A method of making a flexible optical prism film, comprising the steps of:
s1, bonding a first flexible substrate 1, a prism film layer 2 and a second flexible substrate 3 in a glue bonding mode to obtain a flexible prism film;
s2, preparing organic photochromic powder 4013-7%, hardening liquid 40210-20%, alcohol carrier 40370-80% and solvent 4041-5% according to mol percentage, and stirring and mixing to obtain a photochromic solution;
and S3, putting the flexible prism film obtained in the S1 into the color-changing solution obtained in the S2 for dip dyeing for 3-5 h, and taking out and drying at 80-100 ℃ for about 1h to obtain the flexible optical prism film.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a flexible optical prism membrane, comprises first flexible substrate (1), prism rete (2), the flexible substrate of second (3) and discoloration layer (4), its characterized in that, prism rete (2) set up between first flexible substrate (1) and the flexible substrate of second (3), prism rete (2) are including first prism layer (201), second prism layer (202) and bond line (203), first prism layer (201), second prism layer (202) form through bond line (203) bonding, discoloration layer (4) set up in the surface of first flexible substrate (1), prism rete (2), the flexible substrate of second (3).
2. A flexible optical prism film according to claim 1, wherein the color-changing layer (4) is processed from a color-changing solution obtained by mixing an organic photochromic powder (401), a hardening liquid (402), an alcohol-based carrier (403), and a solvent (404), wherein:
an organic photochromic powder (401) which accounts for 3 to 7 percent of the color changing layer (4);
the hardening liquid (402) accounts for 10 to 20 percent of the color-changing layer (4);
the alcohol carrier (403) accounts for 70-80% of the color-changing layer (4);
a solvent (404) which accounts for 1 to 5 percent of the color-changing layer (4).
3. A flexible optical prism film as claimed in claim 2, wherein the organic photochromic powder (401) is selected from azo or naphthol; the hardening liquid (402) includes a coupling agent, an episulfide monomer, and a catalyst.
4. A flexible optical prism film as claimed in claim 3, wherein the color-changing layer (4) has a thickness of 3 μm to 6 μm.
5. The flexible optical prism film according to claim 4, wherein the first prism layer (201) comprises a first prism molding layer (2011) and a first substrate (2012), the first prism molding layer (2011) is disposed on the upper side of the first substrate (2012), and the prism molding layer is composed of a plurality of uniformly distributed triangular grains with the same size.
6. The flexible optical prism film as claimed in claim 5, wherein the second prism layer (202) comprises a second prism molding layer (2021) and a second substrate (2022), the second prism molding layer (2021) is disposed on the upper side of the second substrate (2022), the second prism molding layer (2021) is formed by two kinds of triangular patterns with different sizes, and the triangular patterns with different sizes are spaced apart from each other.
7. The flexible optical prism film according to claim 6, wherein the first flexible substrate (1), the second flexible substrate (3), the first base (2012) and the second base (2022) are made of polyethylene terephthalate, the thickness of the first flexible substrate (1) and the second flexible substrate (3) is 80um to 120um, and the thickness of the first base (2012) and the thickness of the second base (2022) are 40um to 60um.
8. The flexible optical prism film according to claim 7, wherein the adhesive layer (203) is made of a composite film adhesive, and the thickness of the adhesive layer (203) is 5um to 10um.
9. The flexible optical prism film according to claim 8, wherein the refractive index of the first prism molding layer (2011) is 1.40 to 1.60, and the refractive index of the second prism molding layer (2021) is 1.45 to 1.75.
10. A method for making a flexible optical prism film, comprising the steps of:
s1, bonding a first flexible substrate (1), a prism film layer (2) and a second flexible substrate (3) in a glue bonding mode to obtain a flexible prism film;
s2, preparing 3-7% of organic photochromic powder (401), 10-20% of hardening liquid (402), 70-80% of alcohol carrier (403) and 1-5% of solvent (404) according to mol percentage, and stirring and mixing the materials to obtain a photochromic solution;
and S3, putting the flexible prism film obtained in the S1 into the color-changing solution obtained in the S2 for dip dyeing for 3-5 h, and taking out and drying at 80-100 ℃ for about 1h to obtain the flexible optical prism film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962953.0A CN115220140A (en) | 2022-08-11 | 2022-08-11 | Flexible optical prism film and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210962953.0A CN115220140A (en) | 2022-08-11 | 2022-08-11 | Flexible optical prism film and using method thereof |
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| CN115220140A true CN115220140A (en) | 2022-10-21 |
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| CN202210962953.0A Pending CN115220140A (en) | 2022-08-11 | 2022-08-11 | Flexible optical prism film and using method thereof |
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| JPH06222207A (en) * | 1993-01-26 | 1994-08-12 | Dainippon Printing Co Ltd | Optical sheet, surface light source, and display device |
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