CN112755503A - Micro-nano structure card board and use method thereof - Google Patents
Micro-nano structure card board and use method thereof Download PDFInfo
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- CN112755503A CN112755503A CN202110291084.9A CN202110291084A CN112755503A CN 112755503 A CN112755503 A CN 112755503A CN 202110291084 A CN202110291084 A CN 202110291084A CN 112755503 A CN112755503 A CN 112755503A
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- 239000002086 nanomaterial Substances 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000011111 cardboard Substances 0.000 title claims description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 10
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052737 gold Inorganic materials 0.000 claims description 2
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Images
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F1/00—Card games
- A63F1/02—Cards; Special shapes of cards
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Credit Cards Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a card with a micro-nano structure, which comprises a card body made of a plurality of transparent or semitransparent plastic membranes, wherein the surface of one side of each plastic membrane is a structural surface, the back surface of the plastic membrane is a non-structural surface, the structural surface is provided with a grating micro-nano structure formed by hot press molding or UV transfer printing, the grating micro-nano structure is uploaded with distinguishing information, and the content of each card of the distinguishing information is different. A set of game cards can be formed by a plurality of cards, and a set of cards with the distinguishing characteristics which are mutually logically related can also be formed, so that the interestingness of the cards is increased, and the peep prevention of the cards can be improved by various means. The invention also provides a using method of the micro-nano structure card.
Description
Technical Field
The invention belongs to the technical field of cards, and particularly relates to a card with a micro-nano structure and a using method thereof.
Background
The card is formed on the transparent membrane through the micro-nano structure preparation among the prior art is mature technique, and the micro-nano structure on this card can clearly see out the pattern that micro-nano constitutes under having the illumination light, and when not shining the light, the surface that has micro-nano structure on the card is the visual state that presents the matte, and no micro-nano structure part seems transparent. The card with the micro-nano structure is generally used as a single element in the prior art.
In the prior art, research in the technical field mostly focuses on the imaging effect of the micro-nano structure on the card under irradiation light, and little attention is paid to visual chromatic aberration of the card observed by naked eyes under a non-irradiation condition.
In the prior art, patterns are printed on paper card surfaces of playing cards such as playing cards or table game cards, the patterns are single in form, and the playing cards are explored in many aspects in order to increase the interest of games, but the patterns on the cards are not designed on transparent plastic films by adopting a micro-nano structure.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a card with a micro-nano structure, so that the interestingness of a game card or a card set made of the card is increased.
Further, the invention aims to provide the micro-nano structure card with the omnibearing peep-proof characteristic.
The invention also aims to provide a using method of the micro-nano structure card.
The first technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a micro-nano structure card tablet, its card tablet body that includes that a plurality of transparent or translucent plastic film piece makes, one side surface of plastic film piece is the structural plane, and its back is the non-structural face be equipped with the grating micro-nano structure of thermoforming or UV rendition on the structural plane, grating micro-nano structure uploads distinguishing information, and the content on each card tablet of this distinguishing information is different, constitutes one set of cards.
The second technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a micro-nano structure card tablet, its card tablet body that includes that a plurality of transparent or translucent plastic film makes, one side surface of plastic film is the structural plane, and its back is the non-structural plane the structural plane is equipped with micro-nano structure, micro-nano structure uploads distinguishing information, micro-nano structure card tablet includes a plurality of cards, respectively on the card structural plane the distinguishing characteristic that micro-nano structure carried is different, but the pattern that the distinguishing characteristic on each card constitutes has logical correlation in the inner content for a set card tablet group is constituteed to all cards.
In the two technical solutions, there are further following preferable measures:
each card with different distinguishing characteristics of the micro-nano structure on each card in a set of card groups can not be distinguished by naked eyes under common light; and/or, under the common light, the peep is prevented at 360 degrees in all angles, namely, the fog surface micro-nano structures appearing on all cards in the card set at any angle are the same visually.
The normal light is a light that is not irradiated with light, such as natural light or illumination light.
The micro-nano structure is a Diffractive Optical Element (DOE) or a Holographic Diffractive Optical Element (HDOE).
The plastic film is made of a colored or colorless transparent material.
The micro-nano structure on the structure surface can be a micro-structure or a nano-structure.
The unit size of the micro-nano structure on the structure surface is within 2 mm multiplied by 2 mm, and the unit is repeatedly arranged on the structure surface of the card board.
Furthermore, the unit size of the micro-nano structure on the structure surface is within (0.5-2) mm x (0.5-2) mm.
The microstructures on the card are arranged repeatedly on the card so that the distinctive feature on the card, i.e. the specific pattern therein, can be presented using a point light source as long as the point light is irradiated on the card during use.
The card set may constitute a deck of playing cards, which may be, for example, a deck of playing cards, or a deck of table games, such as a three country game of table games, or other playing cards. In addition, the card set may also be a set of cards with related content, for example, a set of 108 cards which are drawn by a micro-nano structure, such as a hundred and eighty pictures in the Shuihu river or 12 pictures which are drawn by the twelve hairpin of dream of Red mansions, Jinling, and the like. In the sale, the cards can be sold in sets, such as playing cards, and can also be sold separately, such as selling a set of cards in twelve tomb in a commercial promotion in a separate way.
Preferably, the structural surface is provided with a micro-nano structure formed by hot press molding or UV transfer printing or nano imprinting. The micro-nano structure has lines determined according to the design of patterns, and can be symmetrical, such as symmetrical patterns of playing cards, and the micro-nano structure is symmetrical or asymmetrical.
Preferably, the micro-nano structure on the structure surface is a 3D micro/nano structure.
The game cards are made of the micro-nano structures (DOE), if the method is used for making the game cards according to the conventional cards, namely the distinguishing characteristics carried by the micro-nano structures on each card are different, although the micro-structures (DOE) have certain peep-proof performance, the cards have different visual fog-surface color differences when seen by naked eyes under the condition of no illumination light, namely common light, and the cards have different visual fog-surface depth color differences, players can guess the large and small cards according to the different color differences of the cards, so that the game fairness can be influenced, and the cards provided by the invention are inconvenient to use as the game cards.
Therefore, each card with different distinguishing characteristics can be seen by eyes under common light, and 360-degree full-angle peep prevention is realized, namely, the pattern on the card has different complexity but the fog surface (sub-surface) on the card has no difference, and the card is the best characteristic which can be possessed by the game card in particular.
In order to realize 360-degree all-dimensional peep prevention of the cards, the etching depth of the micro-nano structure on each card, the order formed by photoetching times, the visual chromatic aberration of a plated film changing microstructure and the like can be adjusted. Preferably, the adjusting means may be:
means 1: and adjusting the etching depth of the photoetching of the micro-nano structure.
In a set of card groups, the etching depth of the micro-nano structure on each card is different.
The etching depth of the micro-nano structure is different according to the complexity of each card pattern, the etching depth of the micro-nano structure on the card with a simpler pattern is deeper, and the etching depth of the micro-nano structure on the card with a more complex pattern is shallower.
The etching depth on the card is 0.1-3 microns.
Means 2: and adjusting the etching order of the micro-nano structure photoetching.
There are two measures:
measure 1: the micro-nano structure on each card in a set of cards has the same order, for example, the order can be two-order, or four-order, or eight-order, … …. When the orders of the micro-nano structures of the cards are the same, the etching depths of the orders formed by the subsequent photoetching, such as the second photoetching and the third photoetching, are decreased progressively.
And 2, measure 2: the micro-nano structures on each card in a card set have different orders.
The etching orders of the micro-nano structures on the structural surface of each card are different according to the complexity of the card patterns.
Specifically, the pattern is more complex to reduce the order, and the pattern is simpler to increase the order.
The micro-nano structure on the structure surface can be photo-etched for 1 to 5 times to form a second-order, fourth-order, eighth-order, sixteenth-order or thirty-second-order micro-nano structure. Preferably, photoetching is carried out for 1-3 times to form second-order, fourth-order and eighth-order micro-nano structures.
Through the adjustment, the difference of the fog surfaces generated by the micro-nano structure on the structure surface can not be seen except under the irradiation light.
Means 3: and adjusting the color of the plastic film, namely the plastic film is made of a colored transparent material.
The card is made of the colored transparent plastic film, so that the light transmittance of the colored transparent material is reduced, and the visual color difference can also be reduced, so that the fog surface difference caused by different pattern complexity on the card is improved.
Means 4: and arranging a film coating layer on the plastic film.
Namely, a film coating layer is arranged on the plastic film to change the visual color difference of the card. The coating layer is preferably a colored transparent coating.
Preferably, the film is arranged, and the light transmittance parameter of the film coating layer is 20-90% so as to adjust the visual chromatic aberration of each card.
Preferably, the coating material is aluminum, or silver, or gold, or platinum, or nickel, etc.
The coating layer can be arranged on the structural surface of the plastic membrane or the non-structural surface, but is preferably arranged on the structural surface.
The above-mentioned several adjusting means may be used alone, or two or more means may be used in combination.
On the basis of the above technical solution, there may be the following preferred embodiments:
in another preferred embodiment, the nonstructural surface of the plastic film is provided with a first printed pattern.
In another preferred embodiment, a portion of the nonstructural surface of the plastic film is provided with a first printed pattern.
In another preferred embodiment, a portion of the structural face of the plastic film is provided with a second printed pattern.
In another preferred embodiment, the content of the second printed design corresponds to the content of the distinguishing information.
The third technical scheme adopted by the invention for solving the technical problems is the use method of the card in the various schemes:
a using method of a micro-nano structure card comprises the steps of using any one of the micro-nano structure cards; looking at the light source through the plastic film to read the distinguishing information; or, the light source irradiates on the plastic film sheet to present the distinguishing information.
The invention has the beneficial effects that:
1. the invention creatively provides a plurality of cards with content related or coherent patterns formed on a plastic film by using a micro-nano structure, the cards are made by using the plastic film with the micro-nano structure, distinguishing information is arranged on the micro-nano structure, the content on the micro-nano structure can be seen through light source irradiation, a novel game card or a whole set of cards is added, the shapes of the cards are enriched, and the interestingness of the optical products is also increased.
2. According to the invention, the micro-nano structures on the cards with different pattern complexity in the set of cards are adjusted, or the card body is made of colored transparent plastic films, or a coating layer is made on the card body, or the combination of several means is adopted, so that the cards can not see differences and cannot be distinguished under a common visual angle, and the distinguishing information can be read only through a light source, so that the cards provided by the invention become 360-degree full-angle peep-proof cards.
3. The card provided by the invention can be printed with patterns on the non-structural surface of the card, so that the forms of the card are enriched; partial patterns can be printed on the structural surface, and the structure is various in form and rich in use function.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the micro-nano structure card and the use method thereof provided by the invention are not limited to the embodiment.
Drawings
Fig. 1 is a schematic structural diagram of a card with a single-layer micro-nano structure DOE formed by one-step lithography according to a preferred embodiment of the micro-nano structure card provided by the invention.
Fig. 2 is a schematic view showing patterns on a card plate by facing the micro-nano structure card plate provided by the invention to an LED lamp.
Fig. 3 is a schematic view showing patterns on a card plate by irradiating the micro-nano structure card plate provided by the invention with an LED lamp.
Fig. 4 is a schematic structural surface structure diagram of a second preferred embodiment of the micro-nano structure card provided in the present invention.
Fig. 5 is a schematic non-structural surface structure diagram of a second preferred embodiment of the micro-nano structure card provided in the present invention.
Fig. 6 is a schematic structural diagram of a structural surface of a micro-nano structured card according to a third preferred embodiment of the present invention.
Detailed Description
For the purpose of understanding the technical concept and spirit of the present invention, the following description is given with reference to various embodiments, which are merely exemplary for illustrating the technical concept of the present invention and are not intended to limit the scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, the micro-nano structure card of the present invention includes a card body made of a plurality of colorless or colored transparent or semitransparent plastic films 1, which form a set of playing cards, 54 card bodies, a micro-nano structure 2 formed by hot press molding or UV transfer printing or nano imprinting is disposed on a structural surface of the plastic films 1, and the micro-nano structure 2 is a Diffractive Optical element (diffraction Optical Elements) or a Holographic Diffractive Optical element (Holographic diffraction Optical Elements). The micro-nano structure 2 uploads distinguishing information.
In this embodiment, the distinguishing features on each card are the patterns of the playing cards, including four suits of red peaches, black peaches, squares and clubs, the patterns of each suit from 1 to 13, and the queen of the king.
Patterns of various designs, from 1 to 13, are increasingly complex. If the common micro-nano structure design mode is adopted and the same micro-nano structure is adopted for manufacturing, the color difference can be seen by naked eyes when the fog surface formed by the patterns formed on the plastic film 1 by the micro-nano structures on each card is under the common light, the size of the card can be estimated according to the color difference, and thus, the peep-proof performance is poor, and the game loses the fairness.
In order to improve the peep-proof performance of the card, namely no color difference is seen by naked eyes and no difference can be seen no matter the pattern on the card is simple or complex, the invention creatively provides that the micro-nano structure on the structural surface of various cards is adjusted as follows:
the etching depth of the micro-nano structure is adjusted, the etching depth of the micro-nano structure on the card with the simpler pattern is deeper, and the etching depth of the micro-nano structure on the card with the more complex pattern is shallower.
For example, the micro-nano structure etching depth of a card with a pattern of 1-5 is 1.20-1.5 micrometers, the micro-nano structure etching depth of a card with a pattern of 6-10 is 0.8-1.0 micrometers, the pattern of the card with a pattern of 11-13 is King K, King Q, waiter J and King, and the micro-nano structure etching depth of the card with a pattern of 0.1-0.6 micrometers.
In another adjusting scheme, the orders of DOEs on the cards are adjusted, namely photoetching is carried out on different cards for different times in the process, micro-nano structures with different orders are formed on the cards, the card with the pattern of 1-5 is provided, the DOE on the card is provided with the DOE with eight orders obtained through three times of photoetching, the card with the pattern of 6-10 is provided with the DOE, the card with the pattern of 11-13 and king size obtained through two times of photoetching is provided with the DOE, and the second-order micro-nano structures are obtained through one-time photoetching.
The more the photoetching times, the darker the fog surface color on the card plastic film. The cards with simple patterns adopt orders with more photoetching times, and the cards with more complex patterns adopt orders with less photoetching times. Thus, the fog face color of cards with different playing card patterns and different complexity can be adjusted to be close to each other and can not be distinguished by naked eyes. In one specific tuning scheme, a wavelength of 520nm was set, and for a simple pattern card, the etch depth was 577.2 nm for the first lithography, 288.6 nm for the second, and 144.3 nm for the third.
For cards with complex patterns, four-step DOE is obtained by adopting two times of photoetching, wherein the etching depth of the first time of photoetching is 577.2 nanometers, and the etching depth of the second time of photoetching is 288.6 nanometers.
For cards with more complex patterns, a second-order DOE is obtained by using one-time lithography, wherein the etching depth in the one-time lithography is 577.2 nanometers.
The foregoing is merely an example for explaining and illustrating the means for adjusting the order of the micro-nano structure, and is not to be construed as limiting the means.
Regarding the order of the micro-nano structure of each card, the order of each card in the whole set of cards can be the same, can be a second order, and can also be a fourth order or an eighth order. The larger the order, the higher the diffraction efficiency of the pattern developed under irradiation light. But the increased number of steps increases the manufacturing cost. In another embodiment, the etching depth and the order of the micro-nano structure on each card can be adjusted. Such adjustment may make the privacy characteristics of the present card made with transparent plastic film more desirable.
In yet another adjustment, the card body is made of a colored transparent plastic film. By using colored plastic films, such as plastic films like sunglasses, the light transmittance is reduced, and the visual chromatic aberration of the micro-nano structure on each card tends to be consistent, so that a perfect peep-proof effect is achieved.
In another adjusting scheme, the coating layer is arranged on the structural surface of the card board, and the light transmittance of the card board can be changed, so that the color difference of the micro-nano structure on the card board with simple patterns and the micro-nano structure on the card board with complex patterns is basically the same and is not easy to distinguish, and the peep-proof performance is enhanced. In the adjusting scheme, the coating material can be a light-transmitting material. The aluminum can be taken as an example, the coating can be formed by processes such as evaporation, ion and sputtering, and the light transmittance of the obtained plastic film is controlled to be 20-90% no matter which process is adopted for coating, so that cards with different distinguishing characteristics can achieve peep prevention by adjusting the light transmittance of the plastic film without difference in vision. .
In practical use, one or more or all of the measures of adjusting the etching depth and the etching times, using the colored plastic film and arranging the optical coating can be adopted for the card, and the ideal peep-proof effect can be achieved through reasonable matching of the measures.
The card body is made of the colored transparent plastic film and the coating layer is arranged on the card, so that the light of the point light source irradiating light is softer, and the imaging effect is more comfortable and softer.
For the card made of the plastic film made of the colorless transparent material, the good peep-proof effect can be achieved by adjusting the etching depth and the photoetching frequency of the micro-nano structure on the card. For the game cards made of colorless and transparent plastic films, the measures are needed to solve the problem of visual color difference.
If the card plate can be made of colored transparent plastic films, the problem of visual color difference can be solved well, a good peep-proof effect is achieved, and the card plate is good in economical efficiency.
For the card plate of the colored transparent plastic film, the matching of the coating layer can be combined.
For cards made of colorless and transparent plastic films, the problem of visual color difference can be solved ideally by means of coating. At this time, the etching depth and the order of the micro-nano structure on each card in a set of playing cards can be the same, and the method has better economical efficiency.
Tests prove that the imaging effect is not influenced by the reduction of the light transmittance by using the colored transparent plastic film and arranging the film coating layer on the plastic film.
The micro-nano structure on the structure surface is a 3D micro/nano structure.
The playing cards provided in the above embodiments can be observed by naked eyes under normal light, and the difference of color difference between the card holder and the opposite house can not be or is not easy to be seen from the card surface, so that the large and small cards can not be guessed, and 360-degree all-directional peep prevention can be achieved. A holder needs to look at the point light source 6 through the plastic membrane 1 to read the distinguishing information on the micro-nano structure 2 (as shown in fig. 2). For example, when such a deck of playing cards is used, an LED lamp 6 around which a user sits can be placed in the middle, and respective distinctive information of the face of the card can be read by the LED lamp. The card on the hand can be placed on a table, and the LED lamp 5 or the flashlight of the mobile phone can be illuminated on the card surface of the card 1 (as shown in figure 3) to see the distinguishing information of the card surface.
The unit size of the micro/nano structure on the structural surface can be repeatedly arranged within 2 mm multiplied by 2 mm; for example, the cells may be 1 x 1 mm, and are arranged repeatedly in a defined area on the structured surface, so that the pattern on the card can be presented as long as the point source is illuminated anywhere in the area.
Example two:
referring to fig. 4 and 5, the difference from the previous embodiment is that the non-structured side of the plastic film sheet 1 'of the present embodiment is provided with a first printed pattern 3'.
Example three:
referring to fig. 6, the difference from the second embodiment is that a portion of the structural surface of the plastic film 1 ″ of the present embodiment is provided with a second printed pattern 4 ', and pattern information of the second printed pattern 4' may be identical to the distinguishing information, so that the card may be used as a general card except that the distinguishing information is read by a light source.
Example four:
in this embodiment, the card is a set of 12 cards, the colored plastic film is used as the card body, the patterns formed by the DOE elements with nanostructures arranged on the structural surface of each card are twelve people of "dream of red mansions", and the etching depth and the order of the nanostructure of the DOE element on each card are the same. In this embodiment, another scheme of the card with the micro-nano structure provided by the present invention is provided, that is, the distinguishing features of the micro-nano structures on each card in a set of cards are related to each other and may have consistency, but not be a game card. The card provided by the invention can be widely used by developing the card set.
The set of the twelve beauties of Jinling provided by the embodiment can be sold in a set and also can be sold in a disassembled way.
The invention firstly proposes that DOE or HDOE is used for designing patterns on a transparent plastic film to manufacture a set of cards, the micro-nano structure on the micro-nano structure records distinguishing information, and the distinguishing characteristics among the cards have continuity and/or logical relation, so that the cards can be manufactured into playing cards and the like, and new expression forms and new varieties are added to the playing cards. Furthermore, in order to meet the peep-proof requirement of the game cards, the invention creatively adjusts the micro-nano structure on each card, such as the etching depth, the order of the micro-nano structure and the like, and can also use the colored plastic film and arrange the film coating layer on the plastic film by adjusting the light transmission degree of the plastic film. In conclusion, the card can be prevented from peeping in 360 degrees in all directions by various measures.
For game cards, the pattern complexity of each card is greatly different, and peep can be prevented by adjusting the photoetching times of each card, namely the order of the micro-nano structure; for a set of cards, the pattern complexity of each card is relatively close, and peep can be prevented by means of adjusting the etching depth of the micro-nano structure on each card. The colored transparent film or the coating layer is arranged on the card, so that the effect of adjusting the visual color difference of the surface of the card is good, and the aesthetic property of the card can be improved.
The above embodiments are only used to further illustrate the micro-nano structure card and the method for using the same of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a micro-nano structure card tablet which characterized in that: it includes the card tablet body that a plurality of transparent or translucent plastic membrane made, one side surface of plastic membrane is the structural plane, and its back is non-structural plane the structural plane is equipped with the grating micro-nano structure of thermoforming or UV rendition, grating micro-nano structure uploads distinguishing information, and the content on each card tablet of this distinguishing information is different.
2. The utility model provides a micro-nano structure card tablet which characterized in that: the card comprises a card body made of a plurality of transparent or semitransparent plastic films, wherein the surface of one side of each plastic film is a structural surface, and the back of each plastic film is a non-structural surface; the structure face is equipped with micro-nano structure, micro-nano structure uploads distinguishing information, micro-nano structure card tablet includes a plurality of cards, on each card structure face the distinguishing characteristic that micro-nano structure carried is different, but the pattern that the distinguishing characteristic on each card constitutes has logical correlation in the content for a set of card group is constituteed to all cards.
3. The micro-nano structure card according to claim 1 or 2, characterized in that: when the cards are looked at by eyes under normal light, the distinguishing characteristics of the cards in a card set cannot be distinguished due to no difference of the cards; and/or each card is looked at with one's eyes under ordinary light, 360 degrees of full-angle peep-proof, namely the fog face that appears on all cards in a card set under any angle is the same visually; and/or the presence of a gas in the gas,
the structure surface is a micro structure or a nano structure; and/or the presence of a gas in the gas,
the unit size of the micro-nano structure on the structure surface is repeatedly arranged within 2 mm multiplied by 2 mm; and/or the presence of a gas in the gas,
the unit size of the micro-nano structure on the structure surface is repeatedly arranged within (0.5-2) mm x (0.5-2) mm; and/or the presence of a gas in the gas,
the micro-nano structure on the structure surface is a 3D micro/nano structure.
4. The micro-nano structure card board according to claim 2, characterized in that: and the structural surface is provided with a micro-nano structure formed by hot press molding or UV transfer printing or nano imprinting.
5. The micro-nano structure card board according to claim 3, characterized in that: in a card group, the peep-proof adjusting means is at least one of the following measures:
means 1: the etching depths of the micro-nano structures on the structural surface of each card body are different;
means 2: the micro-nano structures on the cards in a card set group have the same order; or the orders of the micro-nano structures on the cards are different;
means 3: the plastic membrane is made of a colored transparent material;
means 4: and arranging a film coating layer on the surface of the plastic film to adjust the visual chromatic aberration of each card.
6. The micro-nano structure card board of claim 5, wherein:
in the means 1, the etching depth of the micro-nano structure is different according to the complexity of each card pattern, the etching depth of the micro-nano structure on the card with a simpler pattern is deeper, and the etching depth of the micro-nano structure on the card with a more complex pattern is shallower; and/or the presence of a gas in the gas,
in the means 1, the etching depth on each card is between 0.1um and 3 um; and/or the presence of a gas in the gas,
in the means 2, the orders of the micro-nano structures are different according to the complexity of each card pattern; the card with simpler patterns has more orders of the micro-nano structure, and the card with more complicated patterns has less orders of the micro-nano structure; and/or the presence of a gas in the gas,
in the means 2, the micro-nano structure on the structure surface of each card is photo-etched for 1 to 5 times to form a second-order, fourth-order, eighth-order, sixteenth-order or thirty-second-order micro-nano structure so as to change the fog surface color effect of the micro-nano structure; and/or the presence of a gas in the gas,
in the means 4, the coating layer is a colored transparent coating; and/or the presence of a gas in the gas,
in the means 4, the coating film is arranged, and the light transmittance parameter of the coating film layer is 20-90% so as to adjust the visual chromatic aberration of each card; and/or the presence of a gas in the gas,
in means 4, the coating material of the coating layer is aluminum, silver, gold, platinum, or nickel; and/or the presence of a gas in the gas,
in the means 4, the plating layer is provided on the structure surface.
7. The micro-nano structure card according to claim 1 or 2, characterized in that: the grating micro-nano structure is a diffractive optical element or a holographic diffractive optical element.
8. The micro-nano structure card according to claim 1 or 2, characterized in that: the non-structural surface of the plastic membrane is provided with a first printing pattern; or a part of the non-structural surface of the plastic film is provided with a first printing pattern; and/or the presence of a gas in the gas,
a portion of the structural face of the plastic film is provided with a second printed pattern.
9. The micro-nano structure card board of claim 8, wherein: the content of the second printed pattern is identical to the content of the distinguishing information.
10. A use method of a card plate with a micro-nano structure is characterized in that: the card comprises the micro-nano structure card as claimed in any one of claims 1 to 9; looking at the light source through the plastic film to read the distinguishing information; or, the light source irradiates on the plastic film sheet to present the distinguishing information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW110120994A TWI809418B (en) | 2020-06-16 | 2021-06-09 | Card with micro-nano structures and usage method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2020105509329 | 2020-06-16 | ||
| CN202010550932 | 2020-06-16 |
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| CN112755503A true CN112755503A (en) | 2021-05-07 |
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| CN202110291084.9A Pending CN112755503A (en) | 2020-06-16 | 2021-03-18 | Micro-nano structure card board and use method thereof |
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| CN (1) | CN112755503A (en) |
| TW (1) | TWI809418B (en) |
Cited By (1)
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| WO2021254208A1 (en) * | 2020-06-16 | 2021-12-23 | 厦门市维尔昇科技有限公司 | Card having micro-nano structure and use method for card |
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| Publication number | Publication date |
|---|---|
| TW202206371A (en) | 2022-02-16 |
| TWI809418B (en) | 2023-07-21 |
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