CN217333547U - Anti-counterfeiting film with dynamic image-text on two sides and anti-counterfeiting medium - Google Patents
Anti-counterfeiting film with dynamic image-text on two sides and anti-counterfeiting medium Download PDFInfo
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Abstract
The utility model provides an anti-counterfeiting film and an anti-counterfeiting medium with dynamic pictures and texts on two sides, wherein the anti-counterfeiting film is of a layered structure and comprises a first micro-lens layer, a micro-picture and text layer and a second micro-lens layer which are sequentially arranged; the micro image-text layer comprises a first surface and a second surface which are opposite, and at least one micro groove structure is arranged on the second surface; the first micro-lens layer covers the first surface of the micro-image-text layer and comprises a third surface and a fourth surface which are opposite, and a first micro-convex lens array structure is arranged on the third surface; the second micro-lens layer covers the second surface of the micro-image-text layer and comprises a fifth surface and a sixth surface which are opposite, and a second micro-convex lens array structure is arranged on the sixth surface; the micro image-text layer also comprises at least one color layer, the color layer is filled in the micro groove structure, the focus points of the first micro convex lens array structure and the second micro convex lens array structure are both arranged on the color layer, and the method can realize that both sides of the anti-counterfeiting film can show dynamic image-text effects.
Description
Technical Field
The application relates to the technical field of anti-counterfeiting, in particular to an anti-counterfeiting film with dynamic pictures and texts on two sides and an anti-counterfeiting medium.
Background
The microlens three-dimensional anti-counterfeiting film has the characteristics of clear and vivid image, gorgeous color, strong three-dimensional space sense, difficulty in copying and imitating, one-time use and the like, is widely applied to various composite decorative materials and decorative materials, forms various laser holographic composite decorative materials, and is particularly widely applied to anti-counterfeiting composite packaging and decorative materials.
In the prior art, a microlens three-dimensional anti-counterfeiting film generally comprises a group of microlens arrays, a PET film, and a group of micro-image-text arrays located at the focal length of the microlenses. The three-dimensional dynamic image-text effect which changes along with the change of the visual angle can be clear when the lens is viewed from the surface of the micro lens. And the dynamic graphics and texts cannot be seen from the micro-graphic and text surface. The three-dimensional dynamic anti-counterfeiting film can be only viewed from a single side, and the application scene of the three-dimensional dynamic anti-counterfeiting film is limited to a certain extent.
SUMMERY OF THE UTILITY MODEL
To the above defect of prior art or improve the demand, the utility model provides a two-sided anti-fake membrane and medium that is dynamic picture and text, wherein, two-sided anti-fake membrane that is dynamic picture and text in, use two-layer same period microlens array of positive and negative to be located two substrate layers respectively, the cycle is unanimous or basic unanimous with microlens array period to positive and negative two-layer microlens array's focus all falls on the little slot structure of microlens array, so that can all watch clear dynamic picture and text effect at this anti-fake membrane positive and negative two-sided.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a double-sided dynamic image-text anti-counterfeiting film, which is a layered structure and includes a first microlens layer, a microlens-image-text layer and a second microlens layer arranged in sequence;
the micro image-text layer comprises a first surface and a second surface which are opposite, and at least one micro groove structure is arranged on the second surface;
the first micro-lens layer covers the first surface of the micro-image-text layer and comprises a third surface and a fourth surface which are opposite, and a first micro-convex lens array structure is arranged on the third surface;
the second micro-lens layer covers the second surface of the micro-image-text layer and comprises a fifth surface and a sixth surface which are opposite, and a second micro-convex lens array structure is arranged on the sixth surface;
the micro image-text layer further comprises at least one color layer, the color layer is filled in the micro groove structure, and the focus points of the first micro convex mirror array structure and the second micro convex mirror array structure are located on the color layer, so that the double surfaces of the anti-counterfeiting film can show dynamic image-text effects.
Furthermore, the micro-groove structure is a micro-groove array, and each micro-groove is filled with the color layer; the depth of the micro-groove is the same as the thickness of the color layer, and the depth of the micro-groove and the thickness of the color layer are both 1-10 mu m.
Furthermore, the arrangement period of the first micro-convex mirror array structure, the second micro-convex mirror array structure and the micro-groove array is the same, and the arrangement period is 20-100 μm.
Further, the thickness of the first micro-lens layer and the thickness of the second micro-lens layer are both 6-35 μm.
Furthermore, the height of each micro convex lens in the first micro convex lens array structure and the second micro convex lens array structure is 5-30 μm, and the focal length is 20-210 μm.
Further, the anti-counterfeiting film further comprises a first substrate layer and a second substrate layer;
the first base material layer is arranged between the first micro-lens layer and the micro-image-text layer; the second base material layer is arranged between the micro image-text layer and the second micro lens layer; the thickness of the first base material layer and the thickness of the second base material layer are both 20-188 micrometers.
Further, the anti-counterfeiting film also comprises a composite layer, the composite layer is formed on the second surface of the micro-image-text layer, and the thickness of the composite layer is 1-15 μm.
Further, the anti-counterfeiting film further comprises a composite layer, and the composite layer is arranged between the micro image-text layer and the second base material layer.
Furthermore, the anti-counterfeiting film further comprises a first printing layer and a second printing layer, the first printing layer is partially covered on the third surface of the first micro-lens layer, and the second printing layer is partially covered on the sixth surface of the second micro-lens layer;
the first printing layer comprises a first pattern structure, the second printing layer comprises a second pattern structure, and the first pattern structure and the second pattern structure are the same or different.
According to a second aspect of the invention, a security medium is provided, which comprises the security film with a dynamic pattern effect on both sides.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
the utility model discloses a two-sided anti-fake membrane that is dynamic picture and text that is described, positive and negative both sides all are provided with little protruding mirror array structure, are provided with at least a little groove structure on the little picture and text layer, and at least a color layer is packed in little groove structure, and the focus of this mirror little protruding array structure all falls on little groove structure on little picture and text layer, and the arrangement cycle of the little protruding mirror array structure of its positive and negative both sides is the same; the arrangement period of the micro-pictures and texts is basically consistent with the array period of the micro-convex mirror array structure on the front side and the back side, so that the two sides of the anti-counterfeiting film can show dynamic picture and text effects.
(II) the two-sided anti-counterfeiting membrane that is dynamic picture and text, the focus point of the little convex lens array structure of tow sides all falls on the little slot structure on little picture and text layer, so that the clear three-dimensional dynamic picture and text effect can all be observed to anti-counterfeiting membrane tow sides.
(III) two-sided anti-fake membrane that is dynamic picture and text, this anti-fake membrane tow sides still are provided with the substrate layer simultaneously, this substrate layer is two-sided PET membrane of precoating, the upper and lower microlens layer is located different PET membrane face, the accessible uses two bed thickness PET as the carrier, promotes whole thickness by a wide margin to make two-sided dynamic picture anti-fake membrane reach the thickness and the feel of sheet, further extend application field and application form.
Drawings
Fig. 1 is a schematic structural diagram of a cross section of an anti-counterfeiting film with dynamic pictures and texts on two sides, which is realized according to the utility model;
FIG. 2 is a schematic structural diagram of another cross section of an anti-counterfeiting film with dynamic pictures and texts on two sides according to the implementation of the invention;
in the figure: the micro-lens structure comprises a first micro-lens layer-1, a third surface-11 of the first micro-lens layer, a fourth surface-12 of the first micro-lens layer, a first micro-convex lens array structure-13, a first base material layer-2, a micro-image-text layer-3, a first surface-31 of the micro-image-text layer, a second surface-32 of the micro-image-text layer, a micro-groove structure-33, a color layer-34, a composite layer-4, a second base material layer-5, a second micro-lens layer-6, a fifth surface-61 of the second micro-lens layer, a sixth surface-62 of the second micro-lens layer, a second micro-convex lens array structure-63, a first printing layer-7 and a second printing layer-8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
It should be noted that the term "first/second" in the present invention is used only for distinguishing similar objects, and does not represent a specific ordering for the objects, and it should be understood that "first/second" may be interchanged with a specific order or sequence if allowed. It should be understood that "first \ second" distinct objects may be interchanged under appropriate circumstances such that embodiments of the invention described herein may be practiced in sequences other than those described or illustrated herein.
As shown in fig. 1, the utility model provides a two-sided anti-counterfeiting film that is dynamic picture and text, the anti-counterfeiting film is a laminated structure, including the first microlens layer 1, the first substrate layer 2, the little picture and text layer 3, the composite bed 4, the second substrate layer 5 and the first microlens layer 6 that arrange in proper order;
specifically, the micro-image-text layer 3 comprises an upper surface 31 and a lower surface 32, and at least one micro-groove structure 33 is arranged on the lower surface 32; a first micro-convex lens array structure 13 is arranged on the upper surface 11 covered by the first micro-lens layer 1; the second microlens layer 6 covers the lower surface 32 of the microimage-text layer 3 and comprises an upper surface 61 and a lower surface 62, and a second micro-convex lens array structure 63 is arranged on the lower surface 62. The first base material layer 2 is arranged between the first micro-lens layer 1 and the micro-image-text layer 3; the second substrate layer 5 is disposed between the micro-image-text layer 3 and the second micro-lens layer 6. The composite layer 4 is formed on the second surface 32 of the micro-image-text layer 3 and is disposed between the micro-image-text layer 3 and the second substrate layer 5.
Specifically, the micro-pattern layer 3 includes an upper surface 31 and a lower surface 32, and at least one micro-groove structure 33 is disposed on the lower surface 32; the first base material layer 2 is attached to the upper surface 31 of the micro-image-text layer 3, and the first micro-lens layer 1 covers the upper surface 31 of the micro-image-text layer 3 and is attached to the upper surface of the first base material layer 2; the first micro-lens layer 1 comprises an upper surface 11 and a lower surface 12, and a first micro-convex lens array structure 13 is arranged on the upper surface 11; the composite layer 4 is formed on the lower surface 32 of the micro image-text layer 3, and the second substrate layer 5 is attached to the lower surface of the composite layer 4; the second microlens layer 6 covers the lower surface 32 of the micro image-text layer 3 and is attached to the lower surface of the second substrate layer 5, the second microlens layer 6 comprises an upper surface 61 and a lower surface 62, and a second micro-convex lens array structure 63 is arranged on the lower surface 62.
Specifically, the micro image-text layer 3 further includes at least one color layer 34, the color layer 34 is filled in the micro groove structure 33, and the focus points of the first micro convex mirror array structure 13 and the second micro convex mirror array structure 63 are both located on the color layer 34, so that both sides of the anti-counterfeiting film exhibit dynamic image-text effects.
More specifically, a group of micro-groove structures 33 are arranged on the lower surface 32 of the micro-image-text layer 3, the group of micro-groove structures 33 are mainly arranged in a micro-groove array mode, each micro-groove array comprises a plurality of micro-image-text units, the first micro-convex lens array structure 13 and the second micro-convex lens array structure 63 comprise a plurality of micro-lens units, and the micro-lens units in the first micro-convex lens array structure 13 and the second micro-convex lens array structure 63 are respectively in one-to-one correspondence with the micro-image-text units, so that the first micro-lens layer 1, the micro-image-text layer 3, the second micro-lens layer 6 and the micro-image-text layer 3 respectively form a moire magnification effect, and a three-dimensional dynamic effect is achieved.
It should be noted that the micro groove structure 33 is a concave-convex holographic texture on the lower surface 32 of the micro image-text layer 3, and the micro groove structure 33 is a texture structure with a certain degree of concave portions of the texture. The color layer 34 is filled in the holographic micro-groove structure 33 on the lower surface 32 of the micro-image text layer 3, and the lower surface of the color layer 34 and the lower surface 32 of the micro-image text layer 3 are positioned on the same horizontal plane. In this embodiment, "the lower surface" and "the upper surface" are defined when the first microlens layer 1, the first substrate layer 2, the microimage-text layer 3, the composite layer 4, the second substrate layer 5, and the first microlens layer 6 are stacked in order from top to bottom, the "upper surface" is an upward surface, and the "lower surface" is a downward surface, which are defined to clearly explain the overall scheme, but do not represent that the first microlens layer 1, the first substrate layer 2, the microimage-text layer 3, the composite layer 4, the second substrate layer 5, and the first microlens layer 6 can only be disposed in order from top to bottom, and only represent the relative position relationship therebetween.
Specifically, the arrangement periods of the first micro-convex mirror array structure 13 and the second micro-convex mirror array structure 63 are the same, so that the two sides of the anti-counterfeiting film both have the same dynamic image-text effect. More specifically, the first micro-convex mirror array structure 13 and the second micro-convex mirror array structure 63 have the same arrangement period as the micro-groove array, and the arrangement period is 20-100 μm.
Specifically, the first microlens layer 1 is prepared by using a UV transfer process, and has a first micro-convex lens array structure 13, and is formed on the upper surface of the first substrate layer 2 by the UV transfer process, wherein the thickness of the first microlens layer 1 is 6-35 μm, the microlenses are convex structures, the period is 20-100 μm, the lens height is 5-30 μm, and the focal length is 20-210 μm, and the focal length is located on the color layer 34 filled in the micro-groove structure 33 of the micro-graphic text layer 3.
Specifically, the first substrate layer 2 is a double-sided pre-coated PET film, the double sides of the first substrate layer are firmly attached to the UV transfer printing process preparation material, the upper surface of the first substrate layer is tightly attached to the lower surface of the first micro-lens layer 1, the lower surface of the first substrate layer is tightly attached to the upper surface of the micro-image-text layer 3, and the thickness of the film is 20-188 micrometers.
Specifically, the micro image-text layer 3 is prepared by using a UV transfer printing process, is provided with a micro groove array, is prepared on the lower surface of the first substrate layer 2 by using the UV transfer printing process, has a micro groove array period of 20-100 μm, is consistent or basically consistent with the arrangement periods of the first micro convex mirror array structure 13 and the second micro convex mirror array structure 63, has a thickness of 4-15 μm, and has a groove depth of 2-10 μm.
Specifically, the depth of the micro-grooves is the same as the thickness of the color layer 34, and the thickness of the color layer 34 is 1-10 μm.
Specifically, the composite layer 4 is a UV glue layer with a thickness of 1-15 μm, and is located on the lower surface of the micro-image-text layer 3 and the upper surface of the second substrate layer 5.
Specifically, the second substrate layer 5 is a double-sided pre-coated PET film, the double sides of the second substrate layer are firmly attached to the UV transfer printing process preparation material, the upper surface of the second substrate layer is tightly attached to the lower surface of the composite layer 4, the lower surface of the second substrate layer is tightly attached to the upper surface of the second microlens layer 6, and the thickness of the second substrate layer is 20-188 micrometers.
Specifically, the second microlens layer 6 is prepared by using a UV transfer process, and has a second micro-convex lens array structure 63 formed on the lower surface of the second substrate layer 5 by the UV transfer process, the thickness of the second microlens layer 6 is 6-35 μm, the microlenses are convex structures, the period is 20-100 μm, the lens height is 5-30 μm, and the focal length is 20-210 μm, and the focal length is located on the color layer 34 filled in the micro-groove structure 33 of the micro-graphic text layer 3.
Specifically, as shown in fig. 2, the anti-counterfeiting film further includes a first printed layer 7 and a second printed layer 8, the first printed layer 7 partially covers the third surface 11 of the first microlens layer 1, and the second printed layer 8 partially covers the sixth surface 62 of the second microlens layer 6; wherein the first printed layer 7 comprises a first pattern structure and the second printed layer 8 comprises a second pattern structure, the first pattern structure being the same as or different from the second pattern structure. The method has the advantages of beautifying effect, enriching 3D anti-counterfeiting film patterns and endowing pattern information functions.
More specifically, the first printing layer 7 and the second printing layer 8 are patterns which are locally printed on the surfaces of the first microlens layer 1 and the second microlens layer 6, and the printing areas are areas which do not need to display dynamic image-text effects and cannot be printed on the whole surface of the microlens layer, or the printing layers are prevented from covering all microlens layer structures and needing to display 3D dynamic image-text effects through non-printing areas.
The utility model also provides a preparation method of the anti-counterfeiting film with dynamic pictures and texts on two sides, which is shown in figure 1; the method comprises the following steps:
s1: the method comprises the steps of carrying out double-sided nesting UV mould pressing on a double-sided pre-coated PET film by using a first micro-convex lens array structure 13 plate and a micro-groove array plate in a cursor identification mode, respectively nesting and transferring patterns of the first micro-convex lens array structure plate and the micro-groove array plate to the front and back pre-coated surfaces of the double-sided pre-coated PET film, enabling the patterns of a first micro-lens layer 1 and a micro-image-text layer 3 to be in one-to-one correspondence, and manufacturing an upper-layer film product which comprises the first micro-lens layer 1, a first base material layer 2 and the micro-image-text layer 3.
S2: and carrying out UV mould pressing on one surface of the other double-sided pre-coating PET film by using a second micro-convex lens array structure 63 plate, transferring the pattern of the second micro-convex lens array structure 63 onto the double-sided pre-coating PET film to prepare a lower layer film product, wherein the lower layer film product comprises a second base material layer 5 and a first micro-lens layer 6.
S3: and filling the micro-groove array with deep-color paint in a blade coating mode, and only filling the micro-groove array.
S4: the upper-layer film product and the lower-layer film product are subjected to sleeve position compounding through the identification cursor, the micro-groove array surface of the upper-layer film product is compounded with the second substrate layer 5 surface of the lower-layer film product, and the patterns of the second micro-convex mirror array structure 63 of the lower-layer film product correspond to the patterns of the micro-image-text layer 3 of the upper-layer film product one by one to form a compound layer 4.
S6: and cutting and die cutting the identification cursor to manufacture the anti-counterfeiting film card with dynamic pictures and texts on two sides.
As shown in fig. 2, if the anti-counterfeiting film further comprises a first printing layer 7 and a second printing layer 8, the preparation method of the anti-counterfeiting film with dynamic pictures and texts on both sides is based on the above method; further comprising:
s5: and (3) locally printing patterns on the surfaces of the upper and lower micro lens layers of the compounded semi-finished product film by combining the pattern design of the first micro convex mirror array structure 13 and the second micro convex mirror array structure 63.
Step S5 is used between steps S4 and S6 described above.
The utility model also provides an anti-fake medium, include as above have two-sided anti-fake membrane that is the dynamic picture effect.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The anti-counterfeiting film with dynamic pictures and texts on two sides is of a layered structure and is characterized by comprising a first micro-lens layer (1), a micro-picture and text layer (3) and a second micro-lens layer (6) which are sequentially arranged;
the micro-image-text layer (3) comprises a first surface (31) and a second surface (32) which are opposite, and at least one micro-groove structure (33) is arranged on the second surface (32);
the first micro-lens layer (1) covers the first surface (31) of the micro-image-text layer (3) and comprises a third surface (11) and a fourth surface (12) which are opposite, and a first micro-convex lens array structure (13) is arranged on the third surface (11);
the second micro-lens layer (6) covers the second surface (32) of the micro-image-text layer (3) and comprises a fifth surface (61) and a sixth surface (62) which are opposite, and a second micro-convex lens array structure (63) is arranged on the sixth surface (62);
the micro image-text layer (3) further comprises at least one color layer (34), the color layer (34) is filled in the micro groove structure (33), and the focus points of the first micro convex mirror array structure (13) and the second micro convex mirror array structure (63) are located on the color layer (34), so that the two sides of the anti-counterfeiting film can show dynamic image-text effects.
2. The anti-counterfeiting film according to claim 1, wherein the micro-groove structure (33) is an array of micro-grooves, each of which is filled with the color layer (34); the depth of the micro-groove is the same as the thickness of the color layer (34), and the depth of the micro-groove and the thickness of the color layer (34) are both 1-10 mu m.
3. The anti-counterfeiting film according to claim 2, wherein the first micro-convex mirror array structure (13) and the second micro-convex mirror array structure (63) have the same arrangement period as the micro-groove array, and the arrangement period is 20-100 μm.
4. The anti-counterfeiting film according to claim 1, wherein the first microlens layer (1) and the second microlens layer (6) each have a thickness of 6 to 35 μm.
5. The anti-counterfeiting film according to claim 1, wherein each of the micro-convex lenses in the first micro-convex lens array structure (13) and the second micro-convex lens array structure (63) has a height of 5-30 μm and a focal length of 20-210 μm.
6. The anti-counterfeiting film according to claim 1, further comprising a first substrate layer (2) and a second substrate layer (5);
the first base material layer (2) is arranged between the first micro-lens layer (1) and the micro-image-text layer (3); the second base material layer (5) is arranged between the micro image-text layer (3) and the second micro lens layer (6); the thickness of the first base material layer (2) and the thickness of the second base material layer (5) are both 20-188 micrometers.
7. The anti-counterfeiting film according to claim 1, further comprising a composite layer (4), wherein the composite layer (4) is formed on the second surface (32) of the micro-pattern layer (3), and the composite layer (4) has a thickness of 1-15 μm.
8. The anti-counterfeiting film according to claim 6, further comprising a composite layer (4), wherein the composite layer (4) is disposed between the micro-pattern layer (3) and a second substrate layer (5).
9. The anti-counterfeiting film according to claim 1, further comprising a first printed layer (7) and a second printed layer (8), wherein the first printed layer (7) partially covers the third surface (11) of the first microlens layer (1), and the second printed layer (8) partially covers the sixth surface (62) of the second microlens layer (6);
wherein the first printed layer (7) comprises a first pattern structure and the second printed layer (8) comprises a second pattern structure, the first pattern structure being the same as or different from the second pattern structure.
10. An anti-counterfeiting medium, which is characterized by comprising the anti-counterfeiting film with double-sided dynamic pictures and texts as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220787480.0U CN217333547U (en) | 2022-04-02 | 2022-04-02 | Anti-counterfeiting film with dynamic image-text on two sides and anti-counterfeiting medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220787480.0U CN217333547U (en) | 2022-04-02 | 2022-04-02 | Anti-counterfeiting film with dynamic image-text on two sides and anti-counterfeiting medium |
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| Publication Number | Publication Date |
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| CN217333547U true CN217333547U (en) | 2022-08-30 |
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| CN202220787480.0U Active CN217333547U (en) | 2022-04-02 | 2022-04-02 | Anti-counterfeiting film with dynamic image-text on two sides and anti-counterfeiting medium |
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| CN (1) | CN217333547U (en) |
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