CN108897079A - A kind of micro-structure that figure is hidden with visual angle based on variable striped array - Google Patents
A kind of micro-structure that figure is hidden with visual angle based on variable striped array Download PDFInfo
- Publication number
- CN108897079A CN108897079A CN201810786999.5A CN201810786999A CN108897079A CN 108897079 A CN108897079 A CN 108897079A CN 201810786999 A CN201810786999 A CN 201810786999A CN 108897079 A CN108897079 A CN 108897079A
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- China
- Prior art keywords
- array
- micro
- striped
- microlens array
- striped array
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
Abstract
The invention discloses a kind of micro-structure for hiding figure with visual angle based on variable striped array, structure mainly includes：(1) one layer of microlens array, major parameter are its period size, focal length size and lens rise, and the arrangement mode of microlens array is rectanglar arrangement.(2) one layers of striped array, practical image is the regularly changing straight line of one column width of a column, and the changing rule of line width and the feature size finally shown are related with the period of microlens array.(3) selection of the carrier of micro-structure, select the plastic film of suitable thickness as the compound of carrier (4) micro-structure of motion graphics, above-mentioned microlens array and striped array are overlaped by the way of molding or gluing, obtain final micro-structure.Visual effect of the invention is unique, can achieve the purpose that design configuration is allowed to hide and emerge with visual angle, give people a kind of feeling that figure periodically emerges.
Description
Technical field
The present invention relates to the technical fields of micro-structure Dynamically Announce, and in particular to it is a kind of based on variable striped array with view
Angle hides the micro-structure of figure, and the figure which generates has unique display effect, it can be seen that figure becomes with visual angle
Change flashing, which can be used for increasing commodity attraction or for commodity counterfeit prevention field.
Background technique
The nineties start, with the progress of microlens array manufacturing technology, mature, many high-resolution of digital technology
Camera shooting and display device emerge in large numbers and computer picture storage, the continuous enhancing of processing capacity, microlens array is used in
Such as optical oomputing, laser alignment, integration imaging multiple fields.Integration imaging has become the research in naked eye 3D display field at present
Hot spot.The more university such as Japan, the U.S., South Korea and China, research institute and company, which are devoted to develop, to be based on being integrated into
As the 3D display system of technology.
Together the slightly different overlap of grating of two spaces frequency, the striped that difference frequency component is formed is called More's item
Line.When the two gratings, which exist, to be relatively moved, Moire fringe is also moved.Existing some products in the market are based on light
Grid are superimposed the moir patterns of generation to obtain a kind of dynamic figure.In addition, domestic early existing researcher provides microlens array
To the Moire fringe amplification principle of micrographics, and microlens array structural parameters, micrographics structure ginseng are had found on this basis
The several and relationship between micrographics array movement speed, moving direction and enlargement ratio.
Certainly, the preparation of microlens array and micrographics array all relies on the rapid development of minute manufacturing technology.It is micro-
Lens array, which often requires that, has the characteristics that large-numerical aperture, big relief depth, high fill factor, micrographics usually need to be accurate to
Sub-micron rank, the realization of these conditions are all that the development with minute manufacturing technology is inseparable.The existing micrographics, micro- of preparing
The method of lens mainly has ion exchange, electron-beam direct writing, photoetching, etching, reproduction technology etc..
However, the dynamic effect of visual solid figure is mainly accomplished that translational motion, effect of visualization needs
It further enriches and develops, be just able to satisfy the demand of product.Though structure of the invention is similar with existing 3D patterning before,
The compound of two layers of micro-structure is needed, however its principle does not but obtain figure, the design side of pattern by generating Moire fringe
Formula is simpler, and its effect changed gradually reached is also that other technologies cannot generate, and is used for anti-counterfeiting label
It signs and tends to achieve the effect that be difficult to imitate.
Summary of the invention
It is an object of the invention to propose a kind of micro-structure for hiding figure with visual angle based on variable striped array, adopt
With the microstructure parameters and material of optimization, the motion graphics finally obtained on bearing film can be observed clearly, and with
The variation at visual angle, pattern gradually can be hidden and emerge.It has salient feature, figure relative to existing optics motion graphics
Case content can scope of design be restricted small, dynamic effect is unique.This structure can be used for commodity packaging and anti-counterfeit field.
In order to achieve the above objectives, the technical solution adopted by the present invention is：It is a kind of based on the hidden with visual angle of variable striped array
The micro-structure of figure is hidden, including：
One layer of microlens array, designs its period size, focal length size and lens rise as needed, and by its according to
Rectanglar arrangement；
One layer of striped array, practical image is the regularly changing straight line of one column width of a column, the arrangement rule of line width
With the relating to parameters of the microlens array of design；
Select carrier of the plastic film of suitable thickness as motion graphics；
By above-mentioned microlens array and striped array using molding or it is glued by the way of overlap, obtain final micro-
Structure.
The method of the micro-structure of with visual angle hiding figure of the preparation based on variable striped array includes the following steps：
(1) layout places it in the rectangle that one can just be surrounded, rectangle length L；
(2) microlens array is prepared, number is determined by lower formula：
N is the number of lenticule, and D is the period of microlens array；
(3) one layer of striped array is prepared, is arranged by several regularly changing vertical mouldings, formula is true under number
It is fixed：
Wherein M is the item number of vertical line；The width of vertical line is by the primary increase from left to right that puts in order, and increased rule is such as
Under：
Wherein t is the width of lines, and i is the number of corresponding lines；The length of vertical line is to surround the width of the rectangle of pattern；
In addition, the centreline space of every lines is divided into the period of lens；
(4) obtained striped array is placed in and can be surrounded in the rectangle frame of pattern, by the part of lines and pattern overlapping
Retain, is not removed with the part of pattern overlapping, leave continuous or discontinuous striped array, this is final striped array；
(5) selection of the carrier of micro-structure：Select carrier of the plastic film of suitable thickness as motion graphics；
(6) micro-structure is compound：Above-mentioned microlens array and striped array are overlapped by the way of molding or gluing
Together, final micro-structure is obtained.
Wherein, the microlens array of design and striped array, there is a spacing T between them, and size is equal to lenticule
Focal length.
Wherein, the carrier of the microlens array of design and striped array is all made of transparent plastic film.
Wherein, the plastic foil with a thickness of the focal length of lens is selected, on one side as the carrier of microlens array, by another side and print
There is the plastic foil of striped array glued.
Beneficial effects of the present invention, there is provided a kind of graphic changes of novel Glassless.With observation visual angle
Variation, the pattern of design periodically can emerge and hide, and enhance human visual experience, have certain attraction；Its
Secondary, which does not need any external auxiliary observation device or special light source, is with a wide range of applications；Finally, it sets
Counting has centainly technical, it is difficult to be imitated, therefore its unique effect can effectively apply to antifalsification label, commodity bundle
It is filled with and authentication etc..
Detailed description of the invention
Fig. 1 is micro-structure schematic diagram of the invention, and structure 1 is microlens array, and structure 2 is striped array.
Fig. 2 be designed in the present invention can a length of 1cm of hidden edge square；
Fig. 3 is the schematic diagram for the microlens array that the period is 50 μm in the present invention；
Fig. 4 is the schematic diagram of striped array corresponding with 1cm square in the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Micro-structure is as shown in Fig. 1.
The pattern designed in the present embodiment is the square that side length is 1cm, and the rectangle that can just surround it is its sheet
Body, such as attached drawing 2.Other specific designs are implemented according to the following steps：
(1) microlens array
Microlens array cycle design is 50 μm, rectanglar arrangement mode, and lens rise is 5 μm, as shown in Fig. 3.According to
Formula：
The number of available lenticule and the size of microlens array bearing film.
(2) striped array
Striped array is arranged by several regularly changing vertical mouldings, and a number is determined by lower formula：
M is striped item number, and can be calculated striped has 200.The width of vertical line is by primary from left to right increase that put in order
Add, increased rule is as follows：
Wherein t is the width of lines, and i is the number of corresponding lines；The length of vertical line is to surround the width of the rectangle of pattern,
It here is 1cm；In addition, the centreline space of every lines is divided into 50 μm of period of lens；
Obtained striped array is placed in and can be surrounded in the rectangle frame of pattern, the part of lines and pattern overlapping is protected
It stays, is not removed with the part of pattern overlapping, leave continuous or discontinuous striped array, as final striped array.Due to
The pattern designed in the present embodiment be it is rectangular, so the lap of striped array and pattern is identical as striped array, do not need
Striped array work is changed, as shown in Fig. 4.
(3) microlens array and striped array are prepared, it is using UV glue that two microstructure films are glued together, to obtain
The figure emerged can gradually be hidden.
The micro-structure designed above is a kind of embodiment, of the invention a kind of to hide the micro-structure of figure not with visual angle
It is limited to the micro-structure of above design, the micro-structure that can meet design formula can be used.
Above-mentioned specific embodiment is schematical, is not restrictive.It is all using method of the invention, not
Be detached from the case of present inventive concept and scope of the claimed protection, all specific expansions belong to protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of micro-structure for hiding figure with visual angle based on variable striped array, it is characterised in that：The micro-structure includes：
One layer of microlens array designs its period size, focal length size and lens rise as needed, and by it according to rectangle
Arrangement；
One layer of striped array, it is the regularly changing straight line of one column width of a column that image is practical, the arrangement rule of line width with set
The relating to parameters of the microlens array of meter；
Select carrier of the plastic film of suitable thickness as motion graphics；
Above-mentioned microlens array and striped array are overlaped by the way of molding or gluing, obtain final micro- knot
Structure.
2. a kind of micro-structure for hiding figure with visual angle based on variable striped array according to claim 1, feature
It is：The method of the micro-structure of with visual angle hiding figure of the preparation based on variable striped array includes the following steps：
(1) layout places it in the rectangle that one can just be surrounded, rectangle length L；
(2) microlens array is prepared, number is determined by lower formula：
N is the number of lenticule, and D is the period of microlens array；
(3) one layer of striped array is prepared, is arranged by several regularly changing vertical mouldings, formula determines under number：
Wherein M is the item number of vertical line；The width of vertical line is as follows by put in order primary increase, increased rule from left to right：
Wherein t is the width of lines, and i is the number of corresponding lines；The length of vertical line is to surround the width of the rectangle of pattern；This
Outside, the centreline space of every lines is divided into the period of lens；
(4) obtained striped array is placed in and can be surrounded in the rectangle frame of pattern, the part of lines and pattern overlapping is retained,
It is not removed with the part of pattern overlapping, leaves continuous or discontinuous striped array, this is final striped array；
(5) selection of the carrier of micro-structure：Select carrier of the plastic film of suitable thickness as motion graphics；
(6) micro-structure is compound：Above-mentioned microlens array and striped array are overlaped by the way of molding or gluing,
Obtain final micro-structure.
3. a kind of micro-structure for hiding figure with visual angle based on variable striped array according to claim 2, feature
It is：The microlens array and striped array of design, there is a spacing T between them, and size is equal to the focal length of lenticule.
4. a kind of micro-structure for hiding figure with visual angle based on variable striped array according to claim 2 or 3, special
Sign is：The microlens array of design and the carrier of striped array are all made of transparent plastic film.
5. a kind of micro-structure for hiding figure with visual angle based on variable striped array according to claim 2 or 3, special
Sign is：The plastic foil with a thickness of lenticule focal length is selected, on one side as the carrier of microlens array, by another side and is printed on item
The plastic foil of line array is glued.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786999.5A CN108897079A (en) | 2018-07-18 | 2018-07-18 | A kind of micro-structure that figure is hidden with visual angle based on variable striped array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810786999.5A CN108897079A (en) | 2018-07-18 | 2018-07-18 | A kind of micro-structure that figure is hidden with visual angle based on variable striped array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108897079A true CN108897079A (en) | 2018-11-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810786999.5A Pending CN108897079A (en) | 2018-07-18 | 2018-07-18 | A kind of micro-structure that figure is hidden with visual angle based on variable striped array |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005103908A (en) * | 2003-09-30 | 2005-04-21 | Fancs:Kk | Silk screen process printed matter with visually dynamic effect and its printing method |
| CN101258037A (en) * | 2005-09-29 | 2008-09-03 | 德拉鲁国际公司 | Security device for security substrates |
| CN102164755A (en) * | 2008-08-05 | 2011-08-24 | 德国捷德有限公司 | Method for the production of security elements having registered layers of designs |
| CN205374782U (en) * | 2015-07-08 | 2016-07-06 | 昇印光电（昆山）股份有限公司 | Little optical imaging system |
| CN206379112U (en) * | 2016-10-27 | 2017-08-04 | 上海彩丞新材料科技有限公司 | Stereo anti-fake microlens sheet |
-
2018
- 2018-07-18 CN CN201810786999.5A patent/CN108897079A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005103908A (en) * | 2003-09-30 | 2005-04-21 | Fancs:Kk | Silk screen process printed matter with visually dynamic effect and its printing method |
| CN101258037A (en) * | 2005-09-29 | 2008-09-03 | 德拉鲁国际公司 | Security device for security substrates |
| CN102164755A (en) * | 2008-08-05 | 2011-08-24 | 德国捷德有限公司 | Method for the production of security elements having registered layers of designs |
| CN205374782U (en) * | 2015-07-08 | 2016-07-06 | 昇印光电（昆山）股份有限公司 | Little optical imaging system |
| CN206379112U (en) * | 2016-10-27 | 2017-08-04 | 上海彩丞新材料科技有限公司 | Stereo anti-fake microlens sheet |
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Application publication date: 20181127 |