CN109445009A - Colored atmosphere light efficiency optical film and the mold for manufacturing the optical film - Google Patents
Colored atmosphere light efficiency optical film and the mold for manufacturing the optical film Download PDFInfo
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- CN109445009A CN109445009A CN201811542205.7A CN201811542205A CN109445009A CN 109445009 A CN109445009 A CN 109445009A CN 201811542205 A CN201811542205 A CN 201811542205A CN 109445009 A CN109445009 A CN 109445009A
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- 239000012788 optical film Substances 0.000 title claims abstract description 50
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000002086 nanomaterial Substances 0.000 claims abstract description 90
- 239000010410 layer Substances 0.000 claims abstract description 52
- 239000010408 film Substances 0.000 claims abstract description 38
- 239000012790 adhesive layer Substances 0.000 claims abstract description 14
- 238000004040 coloring Methods 0.000 claims abstract description 9
- 238000009826 distribution Methods 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000001723 curing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
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- 239000012528 membrane Substances 0.000 claims description 4
- 102000004895 Lipoproteins Human genes 0.000 claims description 3
- 108090001030 Lipoproteins Proteins 0.000 claims description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 3
- 230000005518 electrochemistry Effects 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 238000001459 lithography Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 claims description 3
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005034 decoration Methods 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 abstract description 6
- 239000006185 dispersion Substances 0.000 abstract description 3
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- 238000010586 diagram Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 238000007639 printing Methods 0.000 description 3
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
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- 238000003854 Surface Print Methods 0.000 description 1
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- 150000001336 alkenes Chemical class 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005323 electroforming Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000030214 innervation Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
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- 238000002834 transmittance Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
The invention discloses a kind of colored atmosphere light efficiency optical film and manufacture the mold of the optical film, including film bulk layer, the UV adhesive layer that is formed in the film bulk layer any surface, be formed in the UV adhesive layer another side reflecting layer and be formed in the coloring layer of the reflecting layer another side, there is micro-nano structure between the UV adhesive layer and the reflecting layer；The micro-nano structure is made of several micro-nano structure units, and each micro-nano structure unit is made of several linear concave convex grooves.The micro-nano structure that the present invention is arranged generates phenomena such as diffraction of light, scattering, reflection, refraction, waveguide, and the dispersion that can produce light has colored dynamic optical image.It is suitably applied mobile phone, laptop, household electrical appliances, automobile interior decoration and electronic product decorative appearance and packaging field, the decorative effect for being similar to the colored variation of atmosphere light can formed by decorative product periphery.
Description
Technical field
The invention belongs to optics technical field of membrane, more particularly to a kind of decorative optics for building atmosphere lighting effects
Film, more specifically, the present invention relates to the foreign steamers that one kind can make mobile phone, notebook electronic product, household electrical appliances, automobile, construction material
Exterior feature generates a kind of optical film with atmosphere light efficiency and manufactures the mold of the optical film.
Background technique
Atmosphere lamp, as the term suggests it is exactly a kind of ornament lamp light efficiency created an atmosphere.Such as flexible high-brightness astigmatism optical fiber
LED atmosphere lamp, the local such as theme park, hotel, household, exhibition, automobile atmosphere lamp etc. usually touched, different face
Color light and shade variation, sketch the contours of light efficiency profile in different moulding periphery, allow people have it is warm, loosen, comfortably feel, be people it is daily
The decorative environment of life demand creation.
Recently as the development of consumer electronics field, many electronic products are considered as everyday life by general masses
The device needed.In addition to the requirement on entity function, decorative appearance is also the important factor that buyer considers.
The workpiece surfaces such as plastics, metal, glass decoration generally using general class optical film hot pressing be bonded by way of into
Row bands, to increase the surface decoration effect of product.General optical film mainly includes material main body and is arranged on the body micro-
Micro-nano structure, the micro-nano structure are CD line, straight grain light beam, S shape and curve light beam.It is realized and is produced by the optical effect of micro-nano structure
The optics decorative effect on product surface.
The micro-nano structure of optical film is single at present, and the innervation and color change of optical effect are not abundant enough, leads to product
Decorative appearance is single identical, is unable to satisfy the market demand being increasingly rich.
In view of this, the decoration for making electronic product outer profile have a kind of mood light is imitated it is necessary to provide a kind of optical film
Fruit, to solve the problems, such as to exist.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of colored atmosphere light efficiency optical film and manufacture the optical film
Phenomena such as mold, the micro-nano structure that the present invention is arranged generates the diffraction of light, scattering, reflection, refraction, waveguide, cause product edge
Profile light or color enhancing are suitably applied mobile phone, laptop, household electrical appliances, automobile interior decoration and electronic product appearance dress
Decorations and packaging field can formed the colour for being similar to atmosphere light by decorative product periphery under the conditions of external illumination light
The decorative effect of variation；In addition, above-mentioned optical film when converting viewing angle after can generate the view for surrounding and there is dynamic light to become
Feel effect, build gorgeous color change atmosphere, this shadow dynamic color changeable effect is prominent, be different from printing, spraying and
Other decoration technologies such as PVD, to meet the decorative appearance market demand being increasingly rich.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of colour atmosphere light efficiency optical film,
Including film bulk layer, the UV adhesive layer that is formed in the film bulk layer any surface, it is formed in the another of the UV adhesive layer
The coloring layer in the reflecting layer in face and the another side for being formed in the reflecting layer, has between the UV adhesive layer and the reflecting layer
Micro-nano structure；
The micro-nano structure is made of several micro-nano structure units, and each micro-nano structure unit is linear concave-convex by several
Groove composition；
The shape of the micro-nano structure unit is round or rectangle, and the micro-nano structure unit diagonal line is at 20~200 μm
The fringe period of concave convex groove is at 0.3~5 μm in the micro-nano structure unit unit, the fringe depths of concave convex groove
At 0.2~0.3 μm.
It further says, the micro-nano structure is made of several micro-nano structure units, and several micro-nano structure units are
Along shape of product face, ecto-entad is distributed or is distributed from inside to outside in a ring in a ring.
Furthermore, several micro-nano structure units equally arrange or non-equidistant arrangement.
Furthermore, the distribution of several micro-nano structure units is specially such as any one in flowering structure:
The first: spacing between several micro-nano structure units is along shape of product face equidistantly distributed from inside to outside；
Second: spacing between several micro-nano structure units is along shape of product face tapered profile from inside to outside；
The third: spacing between several micro-nano structure units is equidistant from inside to outside and tapered two along shape of product face
Person combines distribution；
4th kind: the spacing between several micro-nano structure units is along shape of product face ecto-entad equidistantly distributed；
5th kind: spacing between several micro-nano structure units is along shape of product face tapered profile from inside to outside；
6th kind: spacing between several micro-nano structure units is equidistant from inside to outside and tapered two along shape of product face
Person combines distribution.
It further says, lines angle is 0 degree to 90 degree with cell distribution variation range in the micro-nano structure unit.
It further says, the section of the linear concave convex groove is triangle, sinusoidal, rectangle or trapezoidal.
It further says, the film bulk is that polyvinyl chloride film, vinyl chloride resin film, Biaxially oriented polypropylene are thin
Film and poly- terephthaldehyde are with one of glycol membrane of lipoprotein or multiple material combination.
It further says, the micro-nano structure passes through molding or UV adhesive curing molding.
The present invention is that further technical solution is used by solving its technical problem:
A kind of production method making the colored atmosphere light efficiency optical film, first by film bulk layer coating UV gluing
Layer is formed to obtain the film bulk layer for the micro-nano structure that one side has atmosphere light efficiency by molding or UV adhesive curing method, then be existed
On the micro-nano structure of the atmosphere light efficiency of film bulk layer successively sputter reflecting layer and coating coloring layer, obtain that there is atmosphere light efficiency
Optical film.
The present invention is that further technical solution used by solving its technical problem is:
A kind of mold making the colored atmosphere light efficiency optical film, including supporter and the side of being set on the support
Body is imprinted, the structure of the coining body and the micro-nano structure of optical film are in mirror settings.
The present invention is that further technical solution used by solving its technical problem is:
A kind of production method for the mold making the colored atmosphere light efficiency optical film, using laser direct-writing, holographic skill
One kind or combination of the micrometer-nanometer processing technologies such as art, electron beam, mask lithography, ultraprecise numerical control processing, electrochemistry, etching, in mould
The micro-nano structure of digital establishment setting is formed on the coining body of tool.
Beneficial effects of the present invention: the micro-nano structure of optical film along the shape of product contour loop to be designed around distribution, and
In conjunction with the different cycles of setting and the concave convex groove striped of depth, the different shape of stripes of setting and the concave convex groove of arrangement regulation
Striped makes optical film generate the optical effects such as diffraction, reflection, the refraction of light, and the dispersion that can produce light has colored dynamic optical
Shadow.It builds by the ambiance effect of decorative product chamfered shape, to meet the market demand being increasingly rich.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optical film of the present invention；
Fig. 2 is effect diagram of the optical film of the present invention in conjunction with mobile phone；
Fig. 3 is one of the linear concave convex groove schematic diagram of micro-nano structure of the embodiment of the present invention；
Fig. 4 is the two of the linear concave convex groove schematic diagram of the micro-nano structure of the embodiment of the present invention；
Fig. 5 is the embodiment of the present invention for making the die structure dwg of optical film；
Each section label is as follows in attached drawing:
Optical film 100, film bulk layer 1, UV adhesive layer 2, micro-nano structure 3, reflective layer 4, coloring layer 5, supporter 6, pressure
Print body 7 and mobile phone 8.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment: a kind of colour atmosphere light efficiency optical film 100, as shown in Figure 1, described in including film bulk layer 1, being formed in
The UV adhesive layer 2 of film bulk layer any surface, be formed in the UV adhesive layer another side reflecting layer 4 and be formed in described anti-
The coloring layer 5 for penetrating the another side of layer has micro-nano structure 3 between the adhesive layer and the reflecting layer；
The micro-nano structure is made of several micro-nano structure units, and each micro-nano structure unit is linear concave-convex by several
Groove composition, and the linear concave convex groove in micro-nano structure unit changes in density length.
Several micro-nano structure units are along the ecto-entad distribution or in a ring from inside to outside in a ring of shape of product face
Distribution.As shown in Fig. 2, for citing 8 outer profile edge atmosphere light effect of mobile phone signal.
The shape of the micro-nano structure unit is round or rectangle, but not limited to this, it is also possible to other geometry or character
Shape, the micro-nano structure unit diagonal line is at 20~200 μm.In the present embodiment, each micro-nano structure unit is rectangle,
Having a size of 0.1mmx0.1mm.
Several micro-nano structure units equally arrange or non-equidistant arrangement.
The distribution of several micro-nano structure units is specially such as any one in flowering structure: the first: several micro-nano knots
Spacing between structure unit is along shape of product face equidistantly distributed from inside to outside；Second: between several micro-nano structure units
Spacing be along shape of product face tapered profile from inside to outside；The third: the spacing between several micro-nano structure units is along production
Both equidistant and tapered combination distribution from inside to outside of product shape face；4th kind: the spacing between several micro-nano structure units is
Along shape of product face ecto-entad equidistantly distributed；5th kind: the spacing between several micro-nano structure units is along shape of product
Face tapered profile from inside to outside；6th kind: spacing between several micro-nano structure units be along shape of product face from inside to outside etc.
Spacing and tapered the two combination distribution.
As shown in Figure 3 and Figure 4, the groove of multiple same directions constitutes a unit, then arranges by unit array of unit
The stripe direction of cloth, linear concave convex groove changes to 90 degree by 0 degree, and non-uniform change reconciles, and is in acceleration incremental manner structure
At.
The fringe period of the linear concave convex groove is at 1.2 μm, and fringe depths are at 0.2 μm.The micro-nano structure of the setting
Period and depth can produce the diffraction phenomena of light, and the dispersion of diffraction is obvious, have strong colored shadow dynamic change effect.
The section of the linear concave convex groove is triangle, sinusoidal, rectangle or trapezoidal.
The film bulk layer 1 is polyvinyl chloride film, vinyl chloride resin film, bidirectional stretching polypropylene film and gathers
Combination of the terephthaldehyde with one of glycol membrane of lipoprotein or multiple material.It is preferred that the film bulk layer is polychlorostyrene second
Alkene film.
The film bulk layer 1 with a thickness of 50 μm.The thickness can be preferably electric with the required decoration with certain curvature
Sub- product surface fitting, can also use on the non-surface of planar products.And the light transmittance of the film bulk of the thickness≤
5%, reflectivity >=95% after carrying out subsequent plated film and printing protective film on the micro-nano structure on its surface, can be such that optical film reaches
To the effect of optimal mood light.
The micro-nano structure passes through molding or UV adhesive curing molding.Preferably, the micro-nano structure passes through UV adhesive curing
Molding.It is further preferred that the UV curing mode is to pass through printing UV glue using the mold with atmosphere light efficiency in optical film
Re-solidified mode forms in the one side of the opposing sides of film bulk in conjunction with mold on ontology, generates different directional combination
And concave convex groove density and with certain depth, the cured trench depth of UV are 0.2 μm.
A kind of production method making the colored atmosphere light efficiency optical film, first by film bulk layer coating UV gluing
Layer is formed to obtain the film bulk layer for the micro-nano structure that one side has atmosphere light efficiency by molding or UV adhesive curing method, then be existed
Successively sputter high reflection layer and coating coloring layer is printed on the micro-nano structure of the atmosphere light efficiency of film bulk layer, obtained with atmosphere
The optical film of light efficiency.
Reflecting layer is metal oxide layer, and coloring layer is colored ink layers arc, and reflecting layer and coloring layer are arranged on micro-nano structure,
The optical effect of optical film can be improved.
As shown in figure 5, a kind of mold for making the colored atmosphere light efficiency optical film, including supporter 6 and setting exist
Coining body 7 above supporter, the structure of the coining body and the micro-nano structure of optical film are in mirror settings.Mold passes through molding
Or UV curing mode once forms the micro-nano structure of optical film.
A kind of production method for the mold making the colored atmosphere light efficiency optical film, using laser direct-writing, holographic skill
One kind or combination of the micrometer-nanometer processing technologies such as art, electron beam, mask lithography, ultraprecise numerical control processing, electrochemistry, etching, in mould
The micro-nano structure of digital establishment setting is formed on the coining body of tool.
The concave convex groove for constituting micro-nano structure can be formed on being coated with photosensitive material glass substrate by holographic technique.Specifically
It is that the striped in certain density and direction is formed by double light interference modes, a plurality of same density and equidirectional striped are a list
Then member passes through digital programmed array arrangement as unit of individual unit.Well laid striped will be arranged, precoating is recorded in by exposure
On the glass substrate of good opinion luminescent material, latent image striped is formed.Latent image striped on photosensitive material will be recorded in by visualization way again
Region etch forms groove, and unexposed area is remained stationary, and the micro-nano structure of permutation arrangement is finally formed in glass baseplate surface
Concave convex groove.
Metal die or plastic film mold are formed by electroforming mode or UV transfer modes.
In the preferred embodiment of the present invention, plastic film mold, specific method are realized by UV transfer modes
Plastic film mold, simple process, effect are formed to solidify removing in conjunction with glass surface micro-nano structure in film surface printing UV
Fruit is good.Plastic film mold can mostly secondary use repeatedly.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (11)
1. a kind of colour atmosphere light efficiency optical film, it is characterised in that: including film bulk layer, be formed in the film bulk layer times
UV adhesive layer on one side, be formed in the UV adhesive layer another side reflecting layer and be formed in the reflecting layer another side
Chromatograph has micro-nano structure between the UV adhesive layer and the reflecting layer；
The micro-nano structure is made of several micro-nano structure units, and each micro-nano structure unit is by several linear concave convex grooves
Composition；
The shape of the micro-nano structure unit is round or rectangle, and the micro-nano structure unit diagonal line is at 20~200 μm；
At 0.3~5 μm, the fringe depths of concave convex groove exist the fringe period of concave convex groove in the micro-nano structure unit unit
0.2~0.3 μm.
2. colour atmosphere light efficiency optical film according to claim 1, it is characterised in that: the micro-nano structure is by several micro-nanos
Structural unit is constituted, and several micro-nano structure units are that ecto-entad is distributed or in a ring by interior in a ring along shape of product face
Distribution outward.
3. colour atmosphere light efficiency optical film according to claim 2, it is characterised in that: several micro-nano structure units are in
Equidistant arrangement or non-equidistant arrangement.
4. colour atmosphere light efficiency optical film according to claim 3, it is characterised in that: several micro-nano structure units
Distribution is specially such as any one in flowering structure:
The first: spacing between several micro-nano structure units is along shape of product face equidistantly distributed from inside to outside；
Second: spacing between several micro-nano structure units is along shape of product face tapered profile from inside to outside；
The third: spacing between several micro-nano structure units is along shape of product face both equidistant and tapered group from inside to outside
Close distribution；
4th kind: the spacing between several micro-nano structure units is along shape of product face ecto-entad equidistantly distributed；
5th kind: spacing between several micro-nano structure units is along shape of product face tapered profile from inside to outside；
6th kind: spacing between several micro-nano structure units is along shape of product face both equidistant and tapered group from inside to outside
Close distribution.
5. colour atmosphere light efficiency optical film according to claim 4, it is characterised in that: lines in the micro-nano structure unit
Angle is 0 degree to 90 degree with cell distribution variation range.
6. any colored atmosphere light efficiency optical film in -5 according to claim 1, it is characterised in that: the linear bumps
The section of groove is triangle, sinusoidal, rectangle or trapezoidal.
7. colour atmosphere light efficiency optical film according to claim 1, it is characterised in that: the film bulk is polyvinyl chloride
Film, vinyl chloride resin film, bidirectional stretching polypropylene film and poly- terephthaldehyde match one of glycol membrane of lipoprotein or a variety of
Combination of materials.
8. colour atmosphere light efficiency optical film according to claim 1, it is characterised in that: the micro-nano structure by molding or
UV adhesive curing molding.
9. a kind of production method for making colored atmosphere light efficiency optical film as described in claim 1, it is characterised in that: first will
Film bulk layer coating UV adhesive layer forms to obtain micro-nano structure of the one side with atmosphere light efficiency by molding or UV adhesive curing method
Film bulk layer, then on the micro-nano structure of the atmosphere light efficiency of film bulk layer successively sputter reflecting layer and coating coloring
Layer, obtains the optical film with atmosphere light efficiency.
10. a kind of mold for making colored atmosphere light efficiency optical film as described in claim 1, it is characterised in that: including support
The coining body of body and the side of being set on the support, the structure of the coining body and the micro-nano structure of optical film are in mirror settings.
11. a kind of production method for the mold for making colored atmosphere light efficiency optical film as claimed in claim 10, feature exist
In: using microfabrications such as laser direct-writing, holographic technique, electron beam, mask lithography, ultraprecise numerical control processing, electrochemistry, etchings
One kind or combination of technology form the micro-nano structure of digital establishment setting on the coining body of mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542205.7A CN109445009A (en) | 2018-12-17 | 2018-12-17 | Colored atmosphere light efficiency optical film and the mold for manufacturing the optical film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542205.7A CN109445009A (en) | 2018-12-17 | 2018-12-17 | Colored atmosphere light efficiency optical film and the mold for manufacturing the optical film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025230A (en) * | 2020-07-23 | 2020-12-04 | 成都印钞有限公司 | Color latent image mold manufacturing method, mold, product manufacturing method and product |
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Application publication date: 20190308 |