CN206968220U - False proof blocking film and automotive number plate - Google Patents
False proof blocking film and automotive number plate Download PDFInfo
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- CN206968220U CN206968220U CN201720808601.4U CN201720808601U CN206968220U CN 206968220 U CN206968220 U CN 206968220U CN 201720808601 U CN201720808601 U CN 201720808601U CN 206968220 U CN206968220 U CN 206968220U
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Abstract
A kind of false proof blocking film; the first color layers, anti-counterfeiting information layer, optical protective layer and lighttight second color layers including light-permeable under light illumination; first color layers are oppositely arranged with the second color layers, and anti-counterfeiting information layer and optical protective layer are arranged between the first color layers and the second color layers.False proof blocking film of the present utility model is not limited by area accounting, can large format arrangement anti-counterfeiting information, and anti-fake mark is not presented under conditions of not illumination, does not influence number plate basic function, vision good integrity is i.e. recognizable in special angle illumination, simple and effective.The utility model further relates to a kind of automotive number plate.
Description
Technical field
Techniques of Optical Security field is the utility model is related to, more particularly to a kind of false proof blocking film and automotive number plate.
Background technology
Due to existing various violation of law, such as fake, deck etc. is easy to detection and be difficult to, it is necessary to effectively prepare
The number plate blocking film of forgery is effectively implemented false proof.
Chinese patent CN 1950240A disclose a kind of embossed film, and the embossed film includes transparent separating layer 16, no
Transparent decorative layer 18, protective layer 20, light change layer 22, reflecting layer 14, light change layer 22 are arranged on reflecting layer 14, protective layer
20 are arranged in light change layer 22, and decorative layer 18 is arranged on protective layer 20, and separating layer 16 is arranged on decorative layer 18.Decorative layer 18
It is upper that there are the multiple discontinuities 36 being spaced apart from each other, the anti-counterfeiting information in light change layer 22 can be seen through discontinuities 36.Light becomes
Changing the arrangement areas accounting of the anti-counterfeiting information on layer 22 needs 20% less than the whole area of embossed film, otherwise can influence entirety
Basic effect, i.e. anti-counterfeiting information in light change layer 22 are unable to large area arrangement.Because accounting for for anti-counterfeiting information is smaller, corresponding number
After numeral on board cuts embossed film, its embossed film cut out is very big may to be not present anti-counterfeiting information, do not reach false proof
Effect.
Utility model content
The purpose of this utility model is, there is provided a kind of false proof blocking film, do not limited by area accounting, can large format row
Cloth anti-counterfeiting information, and anti-fake mark is not presented under conditions of not illumination, number plate basic function, vision good integrity are not influenceed.
The utility model, which solves its technical problem, to be realized using following technical scheme.
A kind of false proof blocking film, including under light illumination the first color layers of light-permeable, anti-counterfeiting information layer, optical protective layer and
Lighttight second color layers, the first color layers are oppositely arranged with the second color layers, and anti-counterfeiting information layer and optical protective layer are set
Between the first color layers and the second color layers.
In preferred embodiment of the present utility model, above-mentioned anti-counterfeiting information layer is arranged in the first color layers, optics protection
Layer is arranged on anti-counterfeiting information layer, and the second color layers are arranged on optical protective layer.
In preferred embodiment of the present utility model, above-mentioned anti-counterfeiting information layer is provided with multiple micro-nano structures, micro-nano structure
For the stealthy watermark with antifalse effect.
In preferred embodiment of the present utility model, the thickness of above-mentioned optical protective layer is nanoscale, and optical protective layer can
Printing opacity, and can reflection light.
In preferred embodiment of the present utility model, above-mentioned false proof blocking film also includes glue-line, and glue-line is arranged on the second face
On chromatograph.
In preferred embodiment of the present utility model, above-mentioned false proof blocking film also includes base membrane layer, release layer and protective layer,
Release layer is arranged on base membrane layer, and protective layer is arranged on release layer, and the first color layers are set on the protection layer.
In preferred embodiment of the present utility model, above-mentioned false proof blocking film also includes base membrane layer and release layer, release layer
It is arranged on base membrane layer, the first color layers are arranged on release layer.
Another object of the present utility model is, there is provided a kind of automotive number plate, do not limited by area accounting, can be significantly
Face arrangement anti-counterfeiting information, and anti-fake mark is not presented under conditions of not illumination, number plate basic function, vision globality are not influenceed
It is good.
A kind of automotive number plate, including above-mentioned false proof blocking film.
False proof blocking film of the present utility model includes the first color layers of light-permeable, anti-counterfeiting information layer, optics under light illumination
Protective layer and lighttight second color layers, the first color layers are oppositely arranged with the second color layers, and anti-counterfeiting information layer and optics are protected
Sheath is arranged between the first color layers and the second color layers.The anti-counterfeiting information layer of false proof blocking film of the present utility model is not by face
Product accounting limitation, can large format arrangement anti-counterfeiting information, reach antifalse effect.Moreover, false proof blocking film of the present utility model is not
Anti-fake mark is not presented under conditions of illumination, and mass-tone, which is presented, does not influence number plate basic function, will not upset globality, vision is whole
Body is more preferable.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, and in order to allow above and other purpose of the present utility model, feature
It can be become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, described in detail.
Brief description of the drawings
Fig. 1 is the structural representation of the false proof blocking film of the utility model first embodiment.
Fig. 2 is the structural representation of the false proof blocking film of the utility model second embodiment.
Fig. 3 is the schematic flow sheet of the preparation method of false proof blocking film of the present utility model.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes false proof blocking film and automotive number plate specific reality
Mode, structure, feature and its effect are applied, is described in detail as follows:
Relevant of the present utility model foregoing and other technology contents, feature and effects, it is following coordinate with reference to schema compared with
It can be clearly appeared from the detailed description of good embodiment.By the explanation of embodiment, when can be to the utility model up to
The technological means and effect taken into predetermined purpose are able to more go deep into and specific understanding, but institute's accompanying drawings are only to provide
With reference to purposes of discussion, not be used for the utility model is any limitation as.
Fig. 1 is the structural representation of the false proof blocking film of the utility model first embodiment.As shown in figure 1, in this implementation
In example, false proof blocking film 10 includes base membrane layer 12, release layer 13, protective layer 14, the first color layers 15, anti-counterfeiting information layer 16, light
Learn protective layer 17, the second color layers 18 and glue-line 19.
Base membrane layer 12 is transparent membrane.In the present embodiment, base membrane layer 12 is made by polyester film forms, but not with this
It is limited.
Release layer 13 is arranged on base membrane layer 12, and release layer 13 is hyaline layer.
Protective layer 14 is arranged on release layer 13, and protective layer 14 is hyaline layer, for protecting the first color layers 15, false proof letter
Cease layer 16, optical protective layer 17, the second color layers 18 and glue-line 19.In the present embodiment, protective layer 14 also has release effect,
Release layer 13 can be aided in be stripped down after thermoprint from base membrane layer 12.
First color layers 15 are arranged on protective layer 14.The light-permeable of first color layers 15, and only in the case of illumination
Light-permeable (uses lamp direct irradiation), is shown as in the case of no illumination light tight.In the present embodiment, the first color layers 15
At least show a kind of color, i.e. the first color layers 15 can be made by a kind of pigment to be formed or a variety of pigment make and formed, excellent
Selection of land, the first color layers 15 show as the shallower black of color, i.e., therefore, will with the number solid colour on automotive number plate
The thermoprint of false proof blocking film 10 in the present embodiment will not upset automotive number plate globality when on automotive number plate.
As shown in figure 1, anti-counterfeiting information layer 16 is arranged in the first color layers 15.Anti-counterfeiting information layer 16 is provided with multiple micro-nanos
Structure 162, micro-nano structure 162 are the stealthy watermark with antifalse effect；Different false proof effects is presented in micro-nano structure 162
Fruit, such as the antifalse effect such as embossment, stealth, dynamic solid.Micro-nano structure 162 can be made as pattern, word, letter, character, number
Combination of word or these symbols etc..In the present embodiment, due to the first color layers 15 only in the case of illumination light-permeable,
Therefore, anti-fake mark is not presented in false proof blocking film 10 of the present utility model in the case of not illumination, and false proof blocking film 10 shows
For black, the basic function of automotive number plate not being influenceed, will not upset automotive number plate globality, its vision globality is more preferable.
Further, since the micro-nano structure 162 of anti-counterfeiting information layer 16 has the antifalse effect of stealthy watermark, therefore, only in special angle
Illumination condition under may recognize that micro-nano structure 162, it recognizes easy, and the setting of micro-nano structure 162 is not limited by area accounting,
Can large format arrangement micro-nano structure 162, the violation of law such as fraud deck can effectively be prevented by this special anti-counterfeiting technology
Occur.
Optical protective layer 17 is arranged on anti-counterfeiting information layer 16.In the present embodiment, optical protective layer 17 is by metal or gold
Category compound is made.Optical protective layer 17 can increase the effect of anti-counterfeiting information layer 16, and protect anti-counterfeiting information layer 16 not to be damaged.
The thinner thickness (nanoscale) of optical protective layer 17, therefore, optical protective layer 17 can printing opacity and can reflection lights；When light passes through
After crossing the micro-nano structure 162 of anti-counterfeiting information layer 16, light is reflected back toward at optical protective layer 17, can not only protect anti-counterfeiting information
Layer 16, moreover it is possible to strengthen reflecting effect, highlight anti-counterfeiting information.It is noted that in order to increase the cementability of optical protective layer 17,
Side of the optical protective layer 17 away from anti-counterfeiting information layer 16 has carried out the surface treatment such as corona or ion-conductance, makes optical protective layer 17
The surface roughening.
Second color layers 18 are arranged on optical protective layer 17.Second color layers 18 are light tight, i.e., the second color layers 18 exist
Illumination or not illumination situation show as it is light tight.In the present embodiment, the second color layers 18 at least show a kind of face
Color, i.e. the second color layers 18 can be made and be formed by a kind of pigment or a variety of pigment, it is preferable that the second color layers 18 show as face
The deeper black of color, the i.e. color of the second color layers 18 are deeper than the color of the first color layers 15.
Glue-line 19 is arranged in the second color layers 18.In the present embodiment, glue-line 19 is hot melt layer, the i.e. environment in high temperature
Under can melt, it is convenient by the false proof thermoprint of blocking film 10 on automotive number plate.
Fig. 2 is the structural representation of the false proof blocking film of the utility model second embodiment.As shown in Fig. 2 in this implementation
In example, false proof blocking film 10 ' includes base membrane layer 12, release layer 13, the first color layers 15 ', anti-counterfeiting information layer 16, optical protective layer
17th, the second color layers 18 and glue-line 19.
Base membrane layer 12 is transparent membrane.In the present embodiment, base membrane layer 12 is made by polyester film forms, but not with this
It is limited.
Release layer 13 is arranged on base membrane layer 12, and release layer 13 is hyaline layer.
First color layers 15 ' are arranged on release layer 13.The light-permeable of first color layers 15 ', and only in the situation of illumination
Lower light-permeable (using lamp direct irradiation), shows as light tight in the case of no illumination.In the present embodiment, the first color layers
15 ' be to be made by mixing to be formed with pigment by protection materials, i.e., the first color layers 15 ' in the present embodiment can not only protect false proof letter
Layer 16, optical protective layer 17, the second color layers 18 and glue-line 19 are ceased, while the first color layers 15 ' also have release effect, can be auxiliary
Release layer 13 is helped to be stripped down after thermoprint from base membrane layer 12.In the present embodiment, the first color layers 15 ' at least show one
Kind color, i.e. the first color layers 15 ' can be made by mixing with protection materials and be formed by a kind of pigment or a variety of pigment, it is preferable that
First color layers 15 ' show as the shallower black of color, i.e., with the number solid colour on automotive number plate, therefore, by this reality
The false proof thermoprint of blocking film 10 ' in example is applied when on automotive number plate, automotive number plate globality will not be upset.
As shown in Fig. 2 anti-counterfeiting information layer 16 is arranged in the first color layers 15 '.Anti-counterfeiting information layer 16 is provided with multiple micro-
Micro-nano structure 162, micro-nano structure 162 are the stealthy watermark with antifalse effect；Different false proof effects is presented in micro-nano structure 162
Fruit, such as the antifalse effect such as embossment, stealth, dynamic solid.Micro-nano structure 162 can be made as pattern, word, letter, character, number
Combination of word or these symbols etc..In the present embodiment, because the first color layers 15 ' can be saturating only in the case of illumination
Anti-fake mark, false proof blocking film 10 ' is not presented in light, therefore, false proof blocking film 10 ' of the present utility model in the case of not illumination
General performance is black, does not influence the basic function of automotive number plate, will not upset automotive number plate globality, and its vision is overall
Property is more preferable.In addition, the micro-nano structure 162 of anti-counterfeiting information layer 16 has the antifalse effect of stealthy watermark simultaneously, therefore, only in spy
Determine to may recognize that micro-nano structure 162 under the illumination condition of angle, it recognizes simplicity, and the setting of micro-nano structure 162 is not accounted for by area
Than limitation, can large format arrangement micro-nano structure 162, it is illegal that fraud deck etc. can effectively be prevented by this special anti-counterfeiting technology
The generation of phenomenon.
Optical protective layer 17 is arranged on anti-counterfeiting information layer 16.In the present embodiment, optical protective layer 17 is by metal or gold
Category compound is made.Optical protective layer 17 can increase the effect of anti-counterfeiting information layer 16, and protect anti-counterfeiting information layer 16 not to be damaged.
The thinner thickness (nanoscale) of optical protective layer 17, therefore, optical protective layer 17 can printing opacity and can reflection lights；When light passes through
After crossing the micro-nano structure 162 of anti-counterfeiting information layer 16, light is reflected back toward at optical protective layer 17, can not only protect anti-counterfeiting information
Layer 16, moreover it is possible to strengthen reflecting effect, highlight anti-counterfeiting information.It is noted that in order to increase the cementability of optical protective layer 17,
Side of the optical protective layer 17 away from anti-counterfeiting information layer 16 has carried out the surface treatment such as corona or ion-conductance, makes optical protective layer 17
The surface roughening.
Second color layers 18 are arranged on optical protective layer 17.Second color layers 18 are light tight, i.e., the second color layers 18 exist
Illumination or not illumination situation show as it is light tight.In the present embodiment, the second color layers 18 at least show a kind of face
Color, i.e. the second color layers 18 can be made and be formed by a kind of pigment or a variety of pigment, it is preferable that the second color layers 18 show as face
The deeper black of color, the i.e. color of the second color layers 18 are deeper than the color of the first color layers 15 '.
Glue-line 19 is arranged in the second color layers 18.In the present embodiment, glue-line 19 is hot melt layer, the i.e. environment in high temperature
Under can melt, it is convenient by the false proof thermoprint of blocking film 10 ' on automotive number plate.
Fig. 3 is the schematic flow sheet of the preparation method of false proof blocking film of the present utility model.Fig. 1 be refer to Fig. 3, this reality
Included with the step of preparation method of new false proof blocking film：
Step S1, there is provided base membrane layer 12；Specifically, base membrane layer 12 is transparent membrane, and base membrane layer 12 is made by polyester film
Formed.
Step S2, release layer 13 is formed on base membrane layer 12 using coating process；Specifically, release layer 13 is hyaline layer.
Step S3, the first color layers 15 ' are formed on release layer 13 using coating process；Specifically, the first color layers 15 '
Light-permeable (uses lamp direct irradiation), and the light-permeable only in the case of illumination, is shown as in the case of no illumination impermeable
Light；First color layers 15 ' are made by mixing by protection materials with pigment to be formed, therefore the first color layers 15 ' can not only protect lower floor
Coating, while the first color layers 15 ' also have release effect, it can aid under release layer 13 peels off after thermoprint from base membrane layer 12
Come.In the present embodiment, the first color layers 15 at least show a kind of color, i.e. the first color layers 15 ' can by a kind of pigment or
The a variety of pigment of person are made by mixing to be formed with protection materials, it is preferable that the first color layers 15 ' show as the shallower black of color, i.e.,
With the number solid colour on automotive number plate, therefore, by the false proof thermoprint of blocking film 10 ' in the present embodiment in automotive number plate
When upper, automotive number plate globality will not be upset.
It is noted that the defencive function of the first color layers 15 ' can be substituted using a single protective layer 14, such as profit
Protective layer 14 is formed on release layer 13 with coating process；The first color layers are formed on protective layer 14 using coating process afterwards
15；Wherein, protective layer 14 is hyaline layer, for protecting lower floor's coating, while has release effect；First color layers 15 are shown as
Black of light color, and light-permeable under light illumination.
Step S4, anti-counterfeiting information layer 16 is formed in the first color layers 15,15 ' using nano-imprint process；Specifically, prevent
Fake information layer 16 has multiple micro-nano structures 162, and micro-nano structure 162 is the stealthy watermark with antifalse effect；Micro-nano knot
Different antifalse effects, such as the antifalse effect such as embossment, stealth, dynamic solid is presented in structure 162.Micro-nano structure 162 can be made as
The combination etc. of pattern, word, letter, character, numeral or these symbols.In the present embodiment, due to the first color layers 15,
15 ' only in the case of illumination light-permeable, therefore, false proof blocking film 10,10 ' of the present utility model is in the case of not illumination
Anti-fake mark is not presented, false proof blocking film 10,10 ' shows as black, do not influence the basic function of automotive number plate, will not upset
Automotive number plate globality, its vision globality are more preferable.Further, since the micro-nano structure 162 of anti-counterfeiting information layer 16 has stealth
The antifalse effect of watermark, therefore, micro-nano structure 162 only being may recognize that under the illumination condition of special angle, it recognizes simplicity,
The setting of micro-nano structure 162 is not limited by area accounting, can large format arrangement micro-nano structure 162, by this special false proof
Technology can effectively prevent the generation of the violation of law such as fraud deck.
Step S5, optical protective layer 17 is formed on anti-counterfeiting information layer 16 using technique for vacuum coating.In the present embodiment,
Optical protective layer 17 is made up of metal or metallic compound.Optical protective layer 17 can increase the effect of anti-counterfeiting information layer 16, and protect
Shield anti-counterfeiting information layer 16 is not damaged.The thinner thickness (nanoscale) of optical protective layer 17, therefore, optical protective layer 17 can be saturating
Light and can reflection light；When light is after the micro-nano structure 162 of anti-counterfeiting information layer 16, light is anti-at optical protective layer 17
It is emitted back towards, anti-counterfeiting information layer 16 can not only be protected, moreover it is possible to strengthens reflecting effect, highlight anti-counterfeiting information.
It is noted that in order to increase the cementability of optical protective layer 17, optical protective layer 17 is away from anti-counterfeiting information layer
16 side has carried out the surface treatment such as corona or ion-conductance, makes the surface roughening of optical protective layer 17.
Step S6, the second color layers 18 are formed on optical protective layer 17 using coating process, wherein, the first color layers
15th, 15 ' light-permeable, the second color layers 18 are light tight under light illumination；Specifically, the second color layers 18 at least show a kind of face
Color, i.e. the second color layers 18 can be made and be formed by a kind of pigment or a variety of pigment, it is preferable that the second color layers 18 show as face
The deeper black of color, the i.e. color of the second color layers 18 are deeper than the color of the first color layers 15.
Step S7, glue-line 19 is formed in the second color layers 18 using coating process.Specifically, glue-line 19 is hot melt layer,
It can melt in an environment of high temperature, conveniently by false proof blocking film 10,10 ' thermoprints on automotive number plate.
False proof blocking film 10,10 ' of the present utility model include light-permeable under light illumination the first color layers 15,15 ', it is false proof
Information Level 16, optical protective layer 17 and lighttight second color layers 18, the first color layers 15,15 ' and the phase of the second color layers 18
To setting, anti-counterfeiting information layer 16 and optical protective layer 17 are arranged between the first color layers 15,15 ' and the second color layers 18.This
The anti-counterfeiting information layer 16 of the false proof blocking film 10,10 ' of utility model is not limited by area accounting, can the false proof letter of large format arrangement
Breath, reaches antifalse effect.Moreover, anti-counterfeiting label is not presented in false proof blocking film 10,10 ' of the present utility model under conditions of not illumination
Note, and mass-tone, which is presented, does not influence number plate basic function, will not upset globality, vision globality is more preferable.
In addition, false proof blocking film 10,10 ' of the present utility model uses blocking film thermoprint, compared with previous silk-screen punching press system
Make, production efficiency is high, no working fluid, it is ensured that high quality and environmental protection.
The utility model further relates to a kind of automotive number plate, the automotive number plate include above-mentioned false proof blocking film 10,
10 ', the structure on automotive number plate refer to prior art, and here is omitted.
Preferred embodiment of the present utility model is described in detail above in association with accompanying drawing, but the utility model is not limited to
Detail in above-mentioned embodiment, can be to technology of the present utility model in range of the technology design of the present utility model
Scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.In above-mentioned specific embodiment party
Each particular technique feature described in formula, in the case of reconcilable, it can be combined by any suitable means.
In order to avoid unnecessary repetition, the utility model no longer separately illustrates to various combinations of possible ways.
Claims (8)
1. a kind of false proof blocking film, it is characterised in that the first color layers (15,15 ') including light-permeable under light illumination, false proof letter
Cease layer (16), optical protective layer (17) and lighttight second color layers (18), first color layers (15,15 ') and this second
Color layers (18) are oppositely arranged, the anti-counterfeiting information layer (16) and the optical protective layer (17) be arranged at first color layers (15,
15 ') between second color layers (18).
2. false proof blocking film as claimed in claim 1, it is characterised in that the anti-counterfeiting information layer (16) is arranged on first color
On layer (15,15 '), the optical protective layer (17) is arranged on the anti-counterfeiting information layer (16), and second color layers (18) are arranged on
On the optical protective layer (17).
3. false proof blocking film as claimed in claim 2, it is characterised in that the anti-counterfeiting information layer (16) is provided with multiple micro-nano knots
Structure (162), the micro-nano structure (162) are the stealthy watermark with antifalse effect.
4. false proof blocking film as claimed in claim 3, it is characterised in that the thickness of the optical protective layer (17) is nanoscale,
Optical protective layer (17) light-permeable, and can reflection light.
5. false proof blocking film as claimed in claim 4, it is characterised in that the false proof blocking film also includes glue-line (19), the glue
Layer (19) is arranged in second color layers (18).
6. false proof blocking film as claimed in claim 1, it is characterised in that the false proof blocking film also include base membrane layer (12), from
Type layer (13) and protective layer (14), the release layer (13) are arranged on the base membrane layer (12), the protective layer (14) be arranged on this from
On type layer (13), first color layers (15) are arranged on the protective layer (14).
7. false proof blocking film as claimed in claim 1, it is characterised in that the false proof blocking film also include base membrane layer (12) and from
Type layer (13), the release layer (13) are arranged on the base membrane layer (12), and first color layers (15 ') are arranged on the release layer (13)
On.
8. a kind of automotive number plate, it is characterised in that including the false proof blocking film described in claim 1 to 7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808601.4U CN206968220U (en) | 2017-07-05 | 2017-07-05 | False proof blocking film and automotive number plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720808601.4U CN206968220U (en) | 2017-07-05 | 2017-07-05 | False proof blocking film and automotive number plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206968220U true CN206968220U (en) | 2018-02-06 |
Family
ID=61407232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720808601.4U Active CN206968220U (en) | 2017-07-05 | 2017-07-05 | False proof blocking film and automotive number plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206968220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310288A (en) * | 2017-07-05 | 2017-11-03 | 苏州苏大维格光电科技股份有限公司 | False proof blocking film and preparation method thereof and automotive number plate |
| CN110977364A (en) * | 2019-12-27 | 2020-04-10 | 苍南县三星交通标牌有限公司 | Processing technology of license plate blank not easy to paint off |
-
2017
- 2017-07-05 CN CN201720808601.4U patent/CN206968220U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310288A (en) * | 2017-07-05 | 2017-11-03 | 苏州苏大维格光电科技股份有限公司 | False proof blocking film and preparation method thereof and automotive number plate |
| WO2019007092A1 (en) * | 2017-07-05 | 2019-01-10 | 苏州苏大维格光电科技股份有限公司 | Anti-counterfeiting hot-stamping film and manufacturing method therefor, and motor vehicle license plate |
| CN107310288B (en) * | 2017-07-05 | 2022-12-13 | 苏州苏大维格科技集团股份有限公司 | Anti-counterfeiting hot stamping film, manufacturing method thereof and motor vehicle license plate |
| CN110977364A (en) * | 2019-12-27 | 2020-04-10 | 苍南县三星交通标牌有限公司 | Processing technology of license plate blank not easy to paint off |
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