CN201765751U

Movatterモバイル変換

Info

Publication number: CN201765751U
Application number: CN2010201435421U
Authority: CN
Inventors: 侯德胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-29
Filing date: 2010-03-29
Publication date: 2011-03-16
Anticipated expiration: 2020-03-29

Abstract

The utility model relates to a microlens anti-counterfeiting mark which is constituted by overlapping a microlens array and a micro-picture and text array and comprises a compound structure of double-layer patterns. An observation window with a visual side frame is formed in a public region of the two layers of patterns, and an amplified image of a micro-picture and text is shown in the observation window. The amplified images can be divided into two types of upright amplified images and headstand amplified images, which respectively have dynamic identification features according to the previous design, thereby forming the unique identification feature which is different from other anti-counterfeiting marks. The microlens anti-counterfeiting mark has the characteristics of being novel in structure, being convenient in discrimination and realizing popular identification, and further has high anti-counterfeiting reliability and wide range of applications.

Description

The lenticule anti-counterfeiting mark

Technical field

The utility model relates to the lenticular anti-counterfeiting mark of a kind of employing, specifically, and by microlens array and the overlapping double-deck figure composite structure anti-counterfeiting mark of forming of little picture and text array.

Background technology

At present, widely used anti-counterfeiting mark is a laser holographic anti counterfeiting label, though its figure has stereoscopic sensation, belongs to the individual layer graphic structure.The laser holographic anti counterfeiting label of individual layer graphic structure can be produced in batches by one-step mould technology.Because the service time of laser holographic anti counterfeiting label is very long, its production technology is grasped by numerous manufacturers, and laser holographic anti counterfeiting label has progressively lost anti-counterfeiting performance in recent years.

Summary of the invention

In order to overcome the deficiency of laser holographic anti counterfeiting label, the utility model provides a kind of lenticule anti-counterfeiting mark, and it has double-deck figure composite structure, has little picture and text amplification effect, has special Dynamic Recognition feature.

The technical scheme that its technical matters that solves the utility model adopts is: with microlens array as amplifier element, by certain condition overlap little picture and text array above, form composite structure.

Microlens array is for being produced on the lip-deep relief pattern structure of transparent base, and its unit microlens can be the continuous curve surface lenticule, also can be the binary phase lenticule.Make for convenience and produce, the utility model adopts the binary phase microlens array.Unit microlens in the array is arranged apart from the mode that equates by line-spacing and row.

Also for being produced on the relief pattern structure on its substrate surface, the kind of its graphic units comprises pattern, sign, literal, numeral, symbol etc. to little picture and text array.Graphic units is arranged apart from the mode that equates by line-spacing and row.

Relation between the line-spacing of the line-spacing of microlens array and row distance and little picture and text array and the row distance is: unequal, but be close.

The manufacture craft of microlens array relief pattern structure is: at first be with Computer Design and drafting microlens array, make a plate with microlithography processes again, through the electroforming metal version, utilize prior arts such as mold pressing, hot pressing that the microlens array embossment structure is produced on clear films or the sheet surface.

The manufacture craft of little picture and text array relief pattern structure is: at first be with Computer Design and the little picture and text array of drafting, with microlithography processes plate-making, then according to the different substrate materials that is adopted, select different subsequent techniques for use again, main subsequent technique has following several:

(1) by prior arts such as electroforming metal version and mould pressing process, little picture and text array embossment structure is produced on the plastic film substrate surface, becomes the film of multiple useful forms such as pasting film, blocking film, transfer membrane;

(2) by prior arts such as electroforming metal version and heat pressing process, little picture and text array embossment structure is produced on the flat surface of heat-fusible materials such as plastics, organic glass;

(3) by making diel, utilize existing Sheet Metal Forming Technology technology again, little picture and text array embossment structure is produced on the smooth metal surface.

In above-mentioned technology, microlens array and little picture and text array all adopt Computer Design and drafting respectively, utilize microlithography processes plate-making again.The benefit of this technology is, can produce the little picture and text in small-sized unit microlens and unit, and for example size is little of micron-sized unit figure.Little picture and text array also can adopt typography to make, but owing to be subjected to the influence of factors such as ink penetration, the size of the little picture and text in unit that printing is made can not be accomplished too little.

With microlens array is overlapping when being compounded on little picture and text array, meet following two conditions:

(1) make the ranks direction of microlens array consistent with the ranks direction of little picture and text array;

(2) make microlens array consistent with the lens object distance of design with distance between little picture and text array two layer patterns.

Microlens array and little picture and text array by above-mentioned condition overlapping compound as a whole after, can see and around two layer pattern public domains, have tangible optical bound, at watch window of the inner formation of frame, in watch window, present the enlarged image of little picture and text, the amplification effect that Here it is microlens array produces little picture and text array as amplifier element.And according to design in advance, the image that is exaggerated is divided into two types of upright intensified image and handstand intensified images.

This intensified image of two types has exclusive separately Dynamic Recognition feature respectively, promptly in the process of integral translation of lenticule anti-counterfeiting mark or inclination, perhaps in the process of human eye skew, can see that the little picture and text that are exaggerated also move simultaneously in watch window, original image can shift out gradually from a frame of watch window in the watch window, and has new image to move into successively from the frame on watch window opposite.

The concrete Dynamic Recognition feature of two types of intensified images is as follows:

1, the Dynamic Recognition feature of upright intensified image has three kinds, is respectively:

(1) the lenticule anti-counterfeiting mark is on the whole during the bottom left right translation, and the enlarged image in the watch window presents oppositely with respect to the moving direction of sign and moves, and promptly shifts out from the frame that identifies mobile rear side, and moves into from the frame that identifies mobile front side.

(2) during lenticule anti-counterfeiting mark integral inclination, the enlarged image in the watch window is from shifting out with the nearer frame of human eye, and from moving into human eye frame far away.

When (3) human eye was offset up and down, the enlarged image in the watch window was from shifting out with the nearer frame of human eye, and from moving into human eye frame far away.

2, the Dynamic Recognition feature of handstand intensified image also has three kinds, is respectively:

(1) the lenticule anti-counterfeiting mark is on the whole during the bottom left right translation, and the enlarged image in the watch window presents in the same way with respect to the moving direction of sign and moves, and promptly shifts out from the frame that identifies mobile front side, and moves into from the frame that identifies mobile rear side.

(2) during lenticule anti-counterfeiting mark integral inclination, the enlarged image in the watch window is from shifting out with human eye frame far away, and from moving into the nearer frame of human eye.

When (3) human eye was offset up and down, the enlarged image in the watch window was from shifting out with human eye frame far away, and from moving into the nearer frame of human eye.

The utility model anti-counterfeiting mark in actual use, may be subjected to identifying the restriction of the conditions such as size, weight and environment of target object, sometimes above-mentioned three kinds of Dynamic Recognition features separately can not be all observed,, the discriminating purpose can be reached as long as can observe wherein a kind of.

The Dynamic Recognition feature of above-mentioned little picture and text amplification effect that the utility model had, be different from other anti-counterfeiting marks exclusive recognition feature.

Product form of the present utility model has monoblock type and split type two classes:

(1) monoblock type lenticule anti-fake mark: be utilize to paste, technologies such as multiple film, thermoprint, perhaps by modes such as pressing, inlay, fix, be compounded on little picture and text array microlens array is overlapping, become as a whole version.The monoblock type product can observe directly the exclusive Dynamic Recognition feature of lenticule anti-counterfeiting mark.

(2) split type lenticule anti-fake mark: be little picture and text array to be produced on separately as sign need on the false proof article microlens array to be produced on the transparent sheet separately as identification facility.During identification, microlens array is overlapped on little picture and text array again and differentiate, can observe the exclusive Dynamic Recognition feature of lenticule anti-counterfeiting mark equally.Split type product is in design with when making, and will consider that also the microlens array after overlapping is consistent with the object distance of lens with distance between little picture and text array two layer patterns.Discern when overlapping, be also noted that to make microlens array consistent with the ranks direction of little picture and text array.In order when identification is overlapping, to make things convenient for the ranks direction of aligned array, can on microlens array and little picture and text array, make corresponding alignment mark respectively in advance.

The utility model is filled optical grating construction on the figure of all graphic units in little picture and text array and the stroke when making little picture and text array, can make the figure of amplification and literal present color effect.

Little picture and text array of the present utility model can also with the making that is superimposed of laser hologram figure, make the lenticule anti-counterfeiting mark when having self exclusive Dynamic Recognition feature, also have macroscopical picture and text and rainbow appearance.

The beneficial effects of the utility model are that the lenticule anti-counterfeiting mark has double-deck figure composite structure, has more complicated manufacture craft than individual layer figure anti-counterfeiting mark, can effectively strengthen anti-counterfeiting performance.The lenticule anti-counterfeiting mark, also has little picture and text amplification effect, and amplification effect is the Dynamic Recognition feature that upright intensified image or handstand intensified image are had respectively, this is the exclusive Dynamic Recognition feature that is different from other anti-counterfeiting marks, make the lenticule anti-counterfeiting mark have anti-counterfeiting performance more reliably, and, can conveniently differentiate to have popular recognition point.

The utility model novel structure, the scope of application are very wide, and it is false proof to can be used for all kinds of high-grade goods, special certificate false proof, and banknote, gold and silver coin, gold bar, medal are false proof, and securities, admission ticket, IC-card are false proof etc., will have good application prospects.

Description of drawings

Fig. 1 is partial cross section's enlarged diagram of essential structure of the present utility model.

Fig. 2 is a kind of binary phase microlens array figure that theutility model embodiment 1 adopts.

Fig. 3 is a kind of little picture and text array pattern that theutility model embodiment 1 adopts.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

As shown in Figure 1,1 is the transparent base of microlens array among the figure, the 2nd, be produced on the relief pattern structure of the binary phase microlens array on this substrate surface, and thisrelief pattern structure 2 can be produced on the upper surface or the lower surface of base material 1.3 is base materials of little picture and text array among the figure, the 4th, be produced on the relief pattern structure of the little picture and text array on this substrate surface, and thisrelief pattern structure 4 also can be produced on the upper surface or the lower surface of base material 3.5 is base material and the base material of figure and little picture and text array and the binding layer between the figure of microlens array among the figure, can be transparent binder layer, also can be air layer, can also be to fit tightly layer.Distance between therelief pattern structure 2 of the microlens array among Fig. 1 and therelief pattern structure 4 of little picture and text array is the imaging object distance of lens.Because the relief depth of figure is generally less than 1 micron, compares with object distance and can ignore.

Embodiment 1: film combined type lenticule anti-counterfeiting mark.Its basic structure is identical with structure shown in Figure 1, and thebinding layer 5 among the figure is transparent adhesive tape bonding coats.Fig. 2 illustrates the figure of its a kind of binary phase microlens array that adopts.Fig. 3 illustrates its a kind of little picture and text array pattern that adopts.With existing mould pressing process microlens array is produced on the transparent plastic film, with existing mould pressing process little picture and text array is produced on the self-adhesive plastic film commonly used equally, with existing multiple membrane process two membranes is combined with each other again, becomes the lenticule anti-counterfeiting mark of the double-deck figure composite structure of whole adhesive sticker.Black graphics part in Fig. 2 and Fig. 3 produces indenture by mould pressing process at substrate surface, thereby forms the relief surface structure.

Embodiment 2: embed combined type lenticule anti-counterfeiting mark.By making the diel of little picture and text array, stamp out the concave structure that certain depth is arranged in the metal surface, in punching course, little picture and text array pattern is produced on the bottom surface of this spill, to make the transparent plastic sheet of microlens array by heat pressing process again, be embedded in the concave pit of this metal surface, become the lenticule anti-counterfeiting mark of the double-deck figure composite structure of monolithic devices.This embodiment can be used for gold and silver coin and the precious metal parts are false proof.

Embodiment 3: split type lenticule anti-counterfeiting mark.With existing mould pressing process little picture and text array is produced on the plastic sheeting, becomes the anti-counterfeiting mark of types such as pasting film sign, blocking film sign, transfer membrane sign, needing to be used for false proof product.The reusable heat compression technology is produced on microlens array on the transparent plastic sheet, cuts into outer shape such as square, circular, ellipse, uses as identification facility separately.During identification, this identification facility is overlapped on the sign, differentiate.

Claims

1. lenticule anti-counterfeiting mark, it is characterized in that: the essential structure of anti-fake mark is by microlens array and the overlapping double-deck figure composite structure of forming of little picture and text array.

2. lenticule anti-counterfeiting mark according to claim 1 is characterized in that: microlens array is to be produced on the lip-deep relief pattern structure of transparent base, and unit microlens wherein adopts the binary phase lens, and arranges apart from the mode that equates by line-spacing and row; Little picture and text array also is the relief pattern structure that is produced on the substrate surface, and the little picture and text in unit are wherein arranged apart from the mode that equates by line-spacing and row.

3. lenticule anti-counterfeiting mark according to claim 2 is characterized in that: the line-spacing of microlens array is unequal with the line-spacing and the row distance of little picture and text array with the row distance, but is close.

4. lenticule anti-counterfeiting mark according to claim 1 is characterized in that: microlens array is overlapping when being compounded on little picture and text array, meets following two conditions:

5. lenticule anti-counterfeiting mark according to claim 1, it is characterized in that: microlens array and little picture and text array overlapping compound as a whole after, be formed with the watch window of optical bound in the public domain of two layer patterns, in watch window, present the enlarged image of little picture and text, this enlarged image is according to design, be upright intensified image or handstand intensified image, have Dynamic Recognition feature separately respectively.

6. lenticule anti-counterfeiting mark according to claim 1 is characterized in that: product form has monoblock type and split type two classes, on the microlens array and little picture and text array of split type product, is manufactured with corresponding alignment mark respectively.

7. lenticule anti-counterfeiting mark according to claim 1 is characterized in that: fill optical grating construction on the figure of all graphic units in little picture and text array and the strokes of characters, make little picture and text of amplification present color effect.