CN214188771U - Dynamic grid image-text microlens film - Google Patents

Abstract

The utility model relates to a dynamic grid image-text microlens film which comprises a lens layer, a substrate layer, a spherical lens layer, a filling layer and an image-text layer from top to bottom respectively; one side of the substrate layer is provided with a lens layer, and the other side of the substrate layer is provided with a spherical lens layer; a filling layer is arranged on the outer side of the spherical mirror layer; the filling layer is a pigment filling layer; the outer side of the filling layer is a flat surface, the filling layer is coated with resin, a micro image-text array structure is manufactured, and colors are filled in the micro image-text array structure to form the image-text layer. The utility model adds a spherical lens layer between the picture and text layer and the lens layer; the image-text layer and the spherical lens layer are imaged through the lens layer, and at the moment, the mark image-text information in the image-text layer is reflected in the grid array sphere of the spherical lens layer and can be dynamically changed along with the change of an observation angle; by arranging the filling layer to be pigment and color, the spherical image can be more vivid, so that the image-text layer can be displayed more vividly.

Description

Dynamic grid image-text microlens film

Technical Field

The utility model relates to a micro lens film, especially have dynamic grid and the mixed dynamic display's of picture and text information developments micro lens film.

Background

The micro-lens film is a product of dynamic pictures and texts which can be observed and amplified by naked eyes; the conventional microlens film can be used as an anti-counterfeiting and marking product; the conventional structure of the microlens dynamic film can be referred to the prior application of the applicant, wherein the Chinese patent publication number is CN105835559A optical imaging anti-counterfeiting element, and the Chinese patent publication number is CN205836304U optical imaging anti-counterfeiting element and anti-counterfeiting packaging sheet; the user can observe the magnified, three-dimensional and dynamic graphic and text mark information through the micro-lens array.

However, with the change of market demands, the traditional single dynamic image-text cannot meet the requirements of anti-counterfeiting and the like, and the dynamic display effect needs to be further improved, so that the anti-counterfeiting difficulty is improved; therefore, it is necessary to further improve the structure of the microlens film, increase the anti-counterfeiting technical characteristics, and improve the anti-counterfeiting performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a developments net picture and text microlens membrane, when observing through the lens layer of microlens array, can look over the spherical structure that latticed distributes to and the picture and text information of suspension in spherical structure.

In order to achieve the purpose, the utility model provides a dynamic grid image-text microlens film which is characterized in that the dynamic grid image-text microlens film is respectively provided with a lens layer, a substrate layer, a spherical lens layer, a filling layer and an image-text layer from top to bottom;

one side of the substrate layer is provided with a lens layer, and the other side of the substrate layer is provided with a spherical lens layer;

a filling layer is arranged on the outer side of the spherical mirror layer; the filling layer is a pigment filling layer;

the outer side of the filling layer is a flat surface, the filling layer is coated with resin, a micro image-text array structure is manufactured, and colors are filled in the micro image-text array structure to form the image-text layer.

As a further improvement of the utility model, the microsphere mirror array structure on the sphere mirror layer is a convex sphere microstructure protruding towards the outside.

As a further improvement of the utility model, the convex ball microstructure is provided with an anti-reflection coating layer along the outer side of the spherical mirror layer.

As a further improvement of the utility model, the lens layer is outside, encapsulates the ball mirror surface, forms the encapsulated layer.

As a further improvement of the present invention, the surface of the spherical mirror is encapsulated outside the lens layer to form an air encapsulation structure;

the air packaging structure comprises a glue coating layer, a packaging layer and an air layer;

the glue coating layer is attached to the top of the spherical cap of the micro-lens structure of the lens layer, and an air layer is formed between the inner side of the glue coating layer and the concave part of the micro-lens structure of the lens layer;

and the other side of the glue coating layer is stuck with a packaging layer.

Further, the gluing layer is pasted on the top of the spherical cap of the lens layer, and the overlapping thickness in the vertical direction is larger than 1 micron.

The utility model discloses a dynamic grid image-text microlens film, a spherical lens layer is added between an image-text layer and a lens layer; the image-text layer and the spherical lens layer are imaged through the lens layer, and at the moment, the mark image-text information in the image-text layer is reflected in the grid array sphere of the spherical lens layer and can be dynamically changed along with the change of an observation angle; by arranging the filling layer to be pigment and color, the spherical image can be more vivid, so that the image-text layer can be displayed more vividly.

The utility model discloses the microlens membrane of dynamic grid picture and text, on the basis of the existing dynamic imaging of sign picture and text, further have spherical display effect, the anti-counterfeiting function is more; and the difficulty of the manufacturing process is higher, so that the difficulty of anti-counterfeiting manufacturing is greatly increased, and the anti-counterfeiting property is obviously enhanced.

Drawings

FIG. 1 is a schematic view of the dynamic grid image-text microlens film of the present invention in use;

FIG. 2 is an enlarged schematic view of a first embodiment of the dynamic grid image-text microlens film of the present invention;

FIG. 3 is an enlarged schematic view of the structure of a third embodiment of the dynamic grid image-text microlens film of the present invention;

reference numerals: the lens layer 11, the substrate layer 12, the spherical lens layer 13, the filling layer 14 and the picture and text layer 15;

a film-permeable layer 16, a packaging layer 17, a glue coating layer 18 and an air layer 19.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

The utility model discloses when developments net picture and text microlens membrane used, as shown in figure 1, the observer can observe in the front of developments net picture and text microlens membrane 1, not only can see sign picture and text information this moment, can also see the spherical structure that the net distributes, and sign picture and text suspension is in the ball, and sign picture and text information presents simultaneously with the spherical structure that the net distributes, and along with observation angle's change, and takes place dynamic change respectively.

Example one

The utility model discloses developments net picture and text microlens membrane can realize directly showing in the membrane, and specific cross-section magnification structure is shown in fig. 2, is lens layer 11, substrate layer 12, ball lens layer 13, filling layer 14, picture and text layer 15 respectively from last to extremely down.

The preparation steps of the dynamic grid image-text microlens film of the utility model are roughly as follows:

step 1: coating a UV resin on one surface (front or back surface) of a transparent base material layer 12 such as PET, and coating a microlens array structure by a UV molding process to form a lens layer 11;

step 2: coating UV resin on the non-lens layer 11 side (i.e. the other side) of the substrate layer 12, and coating a micro-sphere lens array structure by using a UV forming process to form a sphere lens layer 13;

and step 3: filling transparent or semitransparent materials outside the spherical lens layer 13, namely in the concave of the adjacent spherical lens to form a filling layer 14; the filling layer 14 fills the spherical mirror layer 13 to form a flat surface;

and 4, step 4: coating resin on the flat surface of the filling layer 14, manufacturing a micro graphic array structure, and filling colors in the micro graphic array structure to form a graphic layer 15;

thus forming the direct display type dynamic grid image-text micro-lens film of the first embodiment of the invention.

The specific requirements of the materials of each layer are as follows:

1. lens layer 11, material: UV resin, thickness: 5-200 microns;

2. base material layer 12, material: optical grade PET film, thickness: 12-300 microns;

3. ball mirror layer 13, material: UV resin, thickness: 10-200 microns;

4. filling layer 14, material: high transparent resin, pigment, etc., thickness: filling and leveling the recess of the ball lens layer 13;

the filling layer 14 is preferably a pigment filling, and the pigment is deposited in the depressions of the adjacent 2 spherical lenses of the spherical lens layer 13, and the deposition thickness is larger, even if the spherical lens boundaries are obviously highlighted;

the pigment is dispersed in the transparent medium (i.e. high transparent resin), and after filling, the pigment is deposited in the deep of the recess, while the other parts are mainly transparent medium, so that the content of the image-text layer 15 can be penetrated;

in order to make the boundary of the spherical lens be highlighted, and not influence the image formation of the pictures and texts, the spherical shape of the spherical lens layer 13 is outwards protruded;

5. picture and text layer 15, the material: resin, thickness: 3-20 microns;

the color filled in the image-text layer 15 is distinguished from the color contrast in the filling layer 14, otherwise, color confusion is caused, and observation is influenced; of course, a close contrast will also help to mask imperfections in the color filled image layer 15 that may be wiped unclean.

Furthermore, an antireflection coating layer 16 is further arranged on the outer surface of the spherical mirror layer 13, so that the image-text transmittance of the spherical mirror layer 13 can be increased.

The utility model discloses a dynamic grid image-text microlens film, a spherical lens layer 13 is added between an image-text layer 15 and a lens layer 11; the image-text layer 15 and the spherical lens layer 13 are imaged through the lens layer 11, and at the moment, the mark image-text information in the image-text layer 15 is reflected in the grid array sphere of the spherical lens layer 13 and can dynamically change along with the change of the observation angle; by providing the filling layer 14 with a pigment or color, the spherical image can be made more vivid, and the image-text layer 15 can be displayed more vividly.

Example two

The utility model discloses developments net picture and text microlens membrane also can realize in the encapsulation membrane, promptly outside lens layer 11, encapsulate the surface of microlens, form the encapsulating layer, form the encapsulation type's of this embodiment developments net picture and text microlens membrane promptly.

Packaging layer, material: low refractive index UV resin, thickness: 2-100 microns (higher than the thickness of the top surface of the sphere lens).

EXAMPLE III

The utility model discloses developments net picture and text microlens membrane can also realize in the air packaging membrane, and conventional air bed packaging membrane product can refer to applicant's chinese patent publication No. CN 111830610A's air packaging anti-fake lens membrane preparation method.

An air-encapsulated dynamic mesh image-text microlens film, as shown in fig. 3; namely, an air encapsulation structure is arranged outside the lens layer 11; the preparation process comprises the following steps after the step 4:

and 5: preparing a packaging film for air packaging: selecting a transparent substrate such as PET as a packaging layer 17, and coating high-viscosity glue with the thickness of 1-10 microns on the surface of the packaging layer 17 to form a glue coating layer 18;

the glue coating layer 18 is coated by a wet coating process or a solvent coating process, and is finally cured after being heated by an oven; further forming a packaging film;

step 6: compounding: compounding the direct display type dynamic grid image-text micro-lens film formed in the step 4 with the packaging film formed in the step 5; wherein the glue-coated layer 18 is attached to the lens layer 11; controlling the thickness of the glue coating layer to ensure that the glue coating layer 18 can only be attached to the top of the spherical crown of the micro-lens structure, and sealing the air layer inside the rest parts of the micro-lens structure which are not attached to the glue to form an air layer 19; curing the glue;

namely, the air-encapsulated dynamic grid graphic microlens film of the embodiment is formed.

The specific requirements of the encapsulation layer 17 and the glue coating layer 18 are as follows:

encapsulating layer 17, material: optical grade PET film, thickness: 5-250 microns;

the packaging layer 17 plays a role in isolating and packaging the lens layer, and ensures the display effect of the lens;

glue coating layer 18, material: high-viscosity glue such as acrylic glue or rubber, and dry film thickness: 2-20 microns; the transparency is more than 80 percent;

the glue layer 18 serves to bond the encapsulation layer to the top of the spherical cap of the lens layer 11;

the glue coating layer 18 is adhered to the top of the spherical cap of the lens layer 11, and the overlapping thickness in the vertical direction is more than 1 micron;

the adhesive layer 18 has a high viscosity and a peeling force of more than 100gf on both sides.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The dynamic grid image-text microlens film is characterized by comprising a lens layer, a substrate layer, a spherical mirror layer, a filling layer and an image-text layer from top to bottom respectively;

one side of the substrate layer is provided with a lens layer, and the other side of the substrate layer is provided with a spherical lens layer;

a filling layer is arranged on the outer side of the spherical mirror layer; the filling layer is a pigment filling layer;

the outer side of the filling layer is a flat surface, the filling layer is coated with resin, a micro image-text array structure is manufactured, and colors are filled in the micro image-text array structure to form the image-text layer.

2. The dynamic grid graphic-text microlens film as claimed in claim 1, wherein the microsphere mirror array structure of the sphere mirror layer is a convex sphere microstructure protruding outwards.

3. The dynamic grid image-text microlens film as claimed in claim 2, wherein an anti-reflection coating layer is provided along the convex spherical microstructure on the outer side of the spherical mirror layer.

4. The dynamic grid graphic micro lens film according to claim 1, wherein the surface of the spherical mirror is encapsulated outside the lens layer to form an encapsulation layer.

5. The dynamic grid image-text microlens film according to claim 1, wherein the surface of the spherical mirror is encapsulated outside the lens layer to form an air encapsulation structure;

the air packaging structure comprises a glue coating layer, a packaging layer and an air layer;

the glue coating layer is attached to the top of the spherical cap of the micro-lens structure of the lens layer, and an air layer is formed between the inner side of the glue coating layer and the concave part of the micro-lens structure of the lens layer;

and the other side of the glue coating layer is stuck with a packaging layer.

6. The dynamic grid graphic micro lens film as claimed in claim 5, wherein the glue layer is attached to the top of the spherical cap of the lens layer with a vertical overlapping thickness of more than 1 μm.

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