CN104950461A - Alignment mark deposited 3D plane lenticular film, preparation method thereof and UV-cured roll-to-roll manufacturing equipment - Google Patents
Alignment mark deposited 3D plane lenticular film, preparation method thereof and UV-cured roll-to-roll manufacturing equipment Download PDFInfo
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- CN104950461A CN104950461A CN201510368307.1A CN201510368307A CN104950461A CN 104950461 A CN104950461 A CN 104950461A CN 201510368307 A CN201510368307 A CN 201510368307A CN 104950461 A CN104950461 A CN 104950461A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3405—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of organic materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
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Abstract
The invention provides an alignment mark deposited 3D plane lenticular film, a preparation method thereof and UV-cured roll-to-roll manufacturing equipment, and mainly discloses an alignment mark with characteristics of total optical reflection as well as a UV-cured roll-to-roll manufacturing process. According to the UV-cured roll-to-roll manufacturing process, a large number of the alignment mark deposited 3D plane lenticular films can be manufactured, besides, by means of the alignment mark with the characteristics of total optical reflection, alignment mark images with high definition and high contrast can be supplied to an optical camera system for assembly alignment, the precision of assembly alignment between the 3D plane lenticular film and a display screen is greatly improved, and the purpose of providing the optimal 3D image quality is achieved.
Description
Technical field
The invention belongs to 3D plane cylinder mirror film field, in particular to a kind of 3D plane cylinder mirror film, its preparation method and volume to volume ultraviolet curing forming production device with contraposition target.
Background technology
As shown in Figure 1, be the schematic diagram of the amplification post mirror-type 3D display device at known visual angle.For known visual angle amplification post mirror-type 3D display device (Viewing Angle Enhenced Lenticular Based 3D Image Displaying Device) 31, generally use 3D plane cylinder mirror 33 (3D Plane Lenticular), and be arranged on before display 32 screen, knownly nakedly look 3D display device to form.Therefore, audience 30 can in suitable viewing location, need not wearing by glasses, can watch 3D image.
As shown in Figure 2, be the schematic diagram of this 3D plane cylinder mirror structure.This 3D plane cylinder mirror 33 is made up of several semi-cylindrical lens arrays (Semi Cylindrical Lenticular Lens Array) the 55, first flat glass substrate 54, second flat glass substrate 57.These several semi-cylindrical lens arrays 55, are be installed between the first flat glass substrate 54 and the second flat glass substrate 57, and are made up of ground floor structure 55A and second layer structure 55B.Interface between this ground floor structure 55A and second layer structure 55B, then define a wavy lens face 58.Fig. 2 also show base material 52 and display 32.Under specific circumstances, this ground floor structure 55A, with second layer structure 55B there is the iso feature of optics (Optically Isotropic Characteristics), and for visible ray between the two refringence be between 0.05 and 0.22.About the structure 33 of this 3D plane cylinder mirror film above-mentioned, please read US patent application case number in detail: US 2011/0075256A1; Chinese patent application case number: CN102047169B.
The public affairs improved in order to the feature that clearly demonstrates this patent above-mentioned and disappearance and the present invention institute wish are imitated, and for this ground floor structure 55A, give the address of high refractive index layer; And this second layer structure 55B, then give the address of low-index layer.In addition, for this flat glass substrate 54,57, distinctly give separation glass base material (Spacer Glass Substrate) 54, with the address of lens glass base material (Lens Glass Substrate) 57.
Therefore this high refractive index layer 55A and this low-index layer 55B, through this wavy lens face 58, to form this several semi-cylindrical lens arrays 55, reach effect that condenser lens optics is provided.
The function of this separation glass base material 54, mainly provides a suitable spacing, can allow the focal length of these several semi-cylindrical lens arrays 55, is adjusted to this display pannel (Display Panel) 51 on the surface (as shown in Figure 2).In addition, the function of this lens glass base material 57, is mainly used for device and fixes this several semi-cylindrical lens arrays 55.Generally, be through the operation of twice laminating, after in the one side first this dry semi-cylindrical lens array 55 being glued at this lens glass base material 57, then this separation glass base material 54 be glued on the another side of these several semi-cylindrical lens arrays 55.
For the 3D plane cylinder mirror 33 disclosed by above-mentioned patent, just stay in the Theoretical Design aspect of structure, lack actual production technique and accurate consideration of assembling, there is following disappearance:
(1) adopt lens glass base material 57, the mass-produced condition of existing volume to volume ultraviolet curing molding procedure cannot be met, the making technology that this volume to volume ultraviolet curing above-mentioned is shaping, apply to the volume production of general 3D post mirror film in a large number;
(2) without contraposition target, the accurate contraposition between this 3D plane cylinder mirror 33 and this display pannel (Display Panel) 51 can not be met.
Summary of the invention
The invention provides a kind of 3D plane cylinder mirror film, its preparation method and volume to volume ultraviolet curing forming production device with contraposition target, to meet the demand of assembling aligning accuracy, reach the object that the best 3D quality of image is provided, and produce the 3D plane cylinder mirror film of this band contraposition target.
The invention provides a kind of 3D plane cylinder mirror film with contraposition target, consist predominantly of following assembly: transparent planar substrate, there is light refractive index n
0; Ground floor structure, is installed on transparent planar substrate, and ground floor structure is transparent structure, and has light refractive index n
1; Multiple contraposition target, is installed on transparent planar substrate, and contraposition target has feature that is transparent and light total reflection structure, has light refractive index n
1; Second layer structure, device and cover transparent planar substrate, ground floor structure and each contraposition target, second layer structure is transparent structure, and has light refractive index n
2; Ground floor structure and the interstructural interface of the second layer are lens face.
Further, transparent planar substrate is selected from PET, APET, PC, PMMA, PET, PI or glass material.
Further, transparent planar substrate and the interstructural light refractive index of ground floor, have n
1>=n
0relation.
Further, ground floor structure and the interstructural light refractive index of the second layer, have n
1>n
2relation; And each contraposition target and the interstructural light refractive index of the second layer, equally there is n
1>n
2relation.
Further, ground floor structure and the interstructural interface of the second layer are be selected from the lens face of tool arc-shaped or the lens face of tool multiaspect shape.
Further, 3D plane cylinder mirror film is made up of the processing procedure that volume to volume ultraviolet curing is shaping.
Further, each contraposition target is selected from the figure that cross section is the structure formation of trapezoidal shape or arc-shaped; Preferably, each contraposition target is cruciform.
Further, ground floor structure is formed by the solidification of UV curing resin material; Preferably, second layer structure is formed by the solidification of UV curing resin material; Preferably, contraposition target is formed by the solidification of UV curing resin material.
Further, the dual-side that the figure of trapezoidal shape has base that a length of side is B, the length of side is S and a length of side are the top margin of A, and have height H, and wherein, the angle on dual-side and base is φ, height H and the relation between S, φ as follows: H=S sin φ; For the parallel input light from base, through a side, top margin and another side, the condition that parallel input light can reach light total reflection is as follows: θ
1=θ
3=φ, θ
2=π-2 φ, φ > θ
c; Wherein, θ
1for for a side, the incident angle of parallel input light; θ
2for for top margin, the incident angle of parallel input light; θ
3for for another side, the incident angle of parallel input light; θ
cfor the angle of total reflection, and there is following relation: θ
c=sin
-1(n
2/ n
1); A, B, H have following relation: B=A+2H tan (pi/2-φ); Make A '=(B-A)/2, then A ' has following relation: A '=H tan (pi/2-φ); A and A ' has following relation: A=H tan (π-2 φ)-A '.
Further, the figure of arc-shaped is made up of a circular arc and a base, has radius R, crown height H and circular arc width P, for the parallel input light from base, through arc point a, arc point b, arc point c, the condition that parallel input light can reach light total reflection is as follows: θ
1=θ
2=θ
3=60 ° of > θ
c; Wherein, the position of arc point a, arc point b, arc point c is symmetrical in the center of circle of circular arc and symmetrical with 60 ° of angles, θ
1for for arc point a, the incident angle of parallel input light; θ
2for for arc point b, the incident angle of parallel input light; θ
3for for arc point c, parallel input light incident angle; θ
cfor the angle of total reflection; θ
c, R and H has following relation: θ
c=sin
-1(n
2/ n
1), H=R (1-cos α), P=2Rsin α; Wherein, α is the half angle of circular arc to the center of circle, and has following relation: α > θ
c; In order to meet θ
c<60 °, n
1with n
2between there is following relation: n
2/ n
1<sin (60 °).
Present invention also offers a kind of preparation method of 3D plane cylinder mirror film of above-mentioned band contraposition target, this preparation method comprises the following steps: on transparent planar substrate, be coated with the first liquid resin by coating assembly, then on transparent planar substrate, machine-shaping is carried out to the first liquid resin by ground floor structure processing roller, make the first liquid resin form ground floor structure and multiple contraposition target finally by ultra-violet curing technology; Second liquid resin is covered and fills and leads up transparent planar substrate, ground floor structure and individual contraposition target, then impress the second liquid resin by second layer structure processing roller, make the second liquid resin form second layer structure finally by ultra-violet curing technology.
Present invention also offers a kind of volume to volume ultraviolet curing forming production device of the 3D plane cylinder mirror film for the production of above-mentioned band contraposition target, comprise: ground floor structure processing roller, for being processed to form ground floor structure and multiple contraposition target at transparent planar substrate to the first liquid resin; Second layer structure processing roller, fills and leads up transparent planar substrate, ground floor structure and each contraposition target for being covered by the second liquid resin; Ultra-violet curing assembly, for carrying out ultraviolet curing to the be coated with first liquid resin and the second liquid resin; Coating assembly, for carrying out the first liquid resinous coating on transparent planar substrate, and carries out the coating of the second liquid resin on transparent planar substrate, ground floor structure and each contraposition target.
Further, ultra-violet curing assembly comprises ultraviolet light source generation component and ultraviolet light source.
Further, the manufacturing process of ground floor structure and each contraposition target comprises: pass through coating assembly, to form the first liquid resin film on the face first the first liquid resin being coated transparent planar substrate, first liquid resin film impresses through ground floor structure processing roller again, and carry out after exposure curing through ultraviolet light source, obtain being positioned at the ground floor structure on the face of transparent planar substrate and each contraposition target.
Further, the manufacturing process of second layer structure comprises: pass through coating assembly, first the second liquid resin is coated on the face of transparent planar substrate, on the face of ground floor structure with on each contraposition target, to form the second liquid resin film, second liquid resin film is again through the impression of second layer structure processing roller, and carry out after exposure curing through ultraviolet light source, form second layer structure.
Further, ground floor structure processing roller is made up of the groove structure of the groove structure of multiple lens pillar and each contraposition target, wherein, the groove structure of each lens pillar is that pair roller is formed after doing accurate Carving Machining by the round cutter of tool or multiaspect shape lens cutter; The groove structure of each contraposition target is formed after doing accurate Carving Machining by terraced font contraposition target graver tool or round contraposition target graver tool pair roller.
Further, second layer structure processing roller is made up of a smooth disc.
Further, the ground floor structure processing structure of roller and the groove structure of contraposition target, be to provide and have criss-cross contraposition target.
Further, contraposition target is the structure being selected from a trapezoidal shape, and A, φ, H are the basic design parameters of the contraposition target graver tool corresponding to a terraced font, and wherein, A is edge width, and φ is sword limit half angle degree, and H is for being carved into the degree of depth.
Further, each contraposition target is the structure being selected from an arc-shaped, and R, α, H are the basic design parameters corresponding to one round target engraving cutter, and wherein, R is radius of edge, and α is cutting edge half angle degree, and H is for being carved into the degree of depth.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Figure 1 shows that the schematic diagram of known post mirror-type 3D display device;
Figure 2 shows that the schematic diagram of known 3D plane cylinder mirror membrane structure;
Fig. 3 and Figure 4 shows that the schematic diagram of 3D plane cylinder mirror film of the band contraposition target that the embodiment of the present invention is formed;
Fig. 5 to 8 is depicted as the schematic diagram of the present invention's ladder font register guide target structure;
Fig. 9 to 10 is depicted as the schematic diagram of the round register guide target structure of the present invention;
Figure 11 shows that the schematic diagram that volume to volume ultraviolet curing molding manufacture procedure of the present invention is formed;
Figure 12 shows that the mould schematic diagram of the present invention in order to shaping 3D plane cylinder mirror film;
Figure 13 (a) is depicted as the contraposition target display effect figure of known 3D plane cylinder mirror film under a light conditions; And
The contraposition target display effect figure of Figure 13 (b) 3D plane cylinder of the present invention mirror film under same light source condition.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the application in detail in conjunction with the embodiments.
It should be noted that used term is only to describe embodiment here, and be not intended to the illustrative embodiments of restricted root according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to comprise plural form, in addition, it is to be further understood that, " comprise " when using term in this manual and/or " comprising " time, it indicates existing characteristics, step, operation, device, assembly and/or their combination.
The invention discloses a kind of 3D plane cylinder mirror film (Alignment Mark Deposited 3D Plane Lenticular Film) with contraposition target, main disclose one there is the contraposition target (AlignmentMark) of light total reflection feature (the Charateristics of Total Optical Reflection) processing procedure (UV-Cured Roll-to-Roll Manufacturing Process) shaping with a volume to volume ultraviolet curing.By the processing procedure that this volume to volume ultraviolet curing is shaping, the 3D plane cylinder mirror film of this band contraposition target can be produced in a large number.In addition, by this, there is the contraposition target of light total reflection feature, for the optical camera system of assembling contraposition, can provide highly clear and the contraposition target image of tool high-contrast, significantly improve the precision of 3D plane cylinder mirror film and display screen interlude assembling contraposition, reach the object that the best 3D quality of image is provided.
As shown in Figure 3, this 3D plane cylinder mirror film 150 be by a transparent planar substrate 151, ground floor structure 152, second layer structure 153, etc. transparent material, arc-shaped lens face 154, formed with several contraposition targets 155.Through known volume to volume ultraviolet curing molding procedure, successively this transparent planar substrate 151, this ground floor structure 152, this second layer structure 153 can be integrated into a 3D plane cylinder mirror film.How on transparent material, arranging can the contraposition target 155 of height identification, with how by the processing procedure that volume to volume ultraviolet curing is shaping, to produce this 3D plane cylinder mirror film in a large number, namely becomes the technical connotation of the present invention institute for proposition.
By known volume to volume ultraviolet curing molding procedure, can by this ground floor structure 152, these several contraposition targets 155, impress after on the face of this transparent planar substrate 151, again by this second layer structure 153, be covered in completely this ground floor structure 152, these several contraposition targets 155, with on the face of this transparent planar substrate 151, to form a kind of 3D plane cylinder mirror film 150 with contraposition target of the present invention.
Wherein, this transparent planar substrate 151, has feature that is transparent and flat film, is be selected from the materials such as PET, APET, PC, PMMA, PET, PI, glass, has light refractive index n0.This ground floor structure 152 is a transparent structure, is be made up of UV curing resin material, has light refractive index n1.Light refractive index between this transparent planar substrate 151 and this ground floor structure 152, has the relation of n1≤n0.This second layer structure 153 is a transparent structure, is be made up of UV curing resin material, has light refractive index n2.Light refractive index between this ground floor structure 152 and this second layer structure 153, has the relation of n1>n2.In addition, the interface between this ground floor structure 152 and second layer structure 153 is the lens face 154 being selected from a tool arc-shaped, as shown in Figure 4, also can be selected from the lens face 154 ' of a tool multiaspect shape.About the face structure of the lens face 154 ' of this multiaspect shape and effect of optics, please read US patent application case number in detail: US 8,780,188B2; Chinese patent application case number: CN 102077601B.
In addition, as shown in Fig. 5, Fig. 6 and Fig. 7, these several contraposition targets 155, being the structure that can be selected from a trapezoidal shape, is be installed on this transparent planar substrate 151, is a transparent and feature for tool optical total-reflection structure, be be made up of UV curing resin material, there is light refractive index n
1.This trapezoidal shape structure, has four summits a, b, c, d; Wherein, by summit a, d to form a base 161, and there is length of side B; By summit a, b and by summit c, d structure to become dual-side 162,164, and there is length of side S; In addition, by summit b, c to form a top margin 163, and there is length of side A.The angle on this dual-side 162,163 and this base 161 is φ.In addition, the structure of this trapezoidal shape has a height H, and this height H and the relation between S, φ are as follows:
H＝S sinφ (1)
Parallel input light 171,171 ', 171 for from this base 161 " for, through this side 162, this top margin 163 and this another side 164, this parallel input light 171,171 ', 171 " condition of light total reflection can be reached, as follows:
θ
1＝θ
3＝φ (2)
θ
2＝π-2φ (3)
φ>θC (4)
Wherein, θ
1for for this side 162, incident light 171,171 ', 171 " incident angle; θ
2for for this top margin 163, incident light 172,172 ', 172 " incident angle; θ
3for for side 164, incident light 173,173 ', 173 " incident angle; θ
cfor the angle of total reflection, and there is following relation:
θ
C＝sin
-1(n
2/n
1) (5)
In order to obtain best light total reflection effect, namely for the incident light 171,171 ', 171 being incident in this side 162 "; this above-mentioned incident light, all can be done light total reflection by this top margin 163 with this side 164, and become the reflected light 174,174 ', 174 being parallel to this incident light ".Certainly, the phenomenon reversible according to light, for the above-mentioned parallel input light 171,171 ', 171 from this base 161 " and total reflection light 174,174 ', 174 ", be that optical propagation direction is reversible, and meet the relation of formula (1) ~ (4) completely.This A, B, H have following relation:
B＝A+2H tan(π/2-φ) (6)
For correct in calculating A, first according to triangle Δ abb ', A ' can be obtained through following formula:
A’＝(B-A)/2＝H tan(π/2-φ) (7)
Then according to triangle Δ acb ', obtain A through following formula then:
A＝H tan(π-2φ)-A’ (8)
A, φ, H, namely become in volume to volume ultraviolet curing moulding process, and corresponding to the parameter needed for mould engraving cutter, wherein, A is edge width, to be sword limit half angle degree H be then φ is carved into the degree of depth.Therefore can be generally called above-mentioned engraving cutter for " terraced font contraposition target graver tool " (not shown), and make A, φ, H be the basic design parameters of this engraving cutter.In addition, finally this terraced font contraposition target graver tool, the image live width of the tool light total reflection contraposition target presented, is decided by B.That is A, φ, H determine the image live width of final contraposition target.Generally, this terraced font contraposition target graver tool is used, when doing the engraving of contraposition target on mould, in fact, contraposition target can be engraved as crosswise, after volume to volume ultraviolet curing is shaping, the 3D geometry of this crosswise contraposition target, namely as shown in Figure 8.
As shown in Figure 9, these several contraposition targets 155 are the structures that can be selected from an arc-shaped, are be installed on this transparent planar substrate 151, are a transparent and feature for tool optical total-reflection structure, are be made up of UV curing resin material, have light refractive index n1.The structure of this arc-shaped is made up of a circular arc 158 and a base 161, have Radius R, with crown height H, with circular arc width P.For the parallel input light 171 from this base 161, through this arc point a, b, c, this parallel input light 171 can reach the condition of light total reflection, as follows:
θ
1＝θ
2＝θ
3＝60°>θC (9)
Wherein, the position of this arc point a, b, c, be symmetrical in center of circle d and distribute with 60 ° of angles, namely Δ abd, Δ bcd are all equilateral triangle.θ 1 is for this point, the incident angle of incident light 171; θ 2 is for this b point, the incident angle of incident light 172; θ 3 is the incident angle for this c point incident light 173; θ C is the angle of total reflection.Certainly, the phenomenon reversible according to light, for the above-mentioned parallel input light 171 from this base 161 and total reflection light 174, is that optical propagation direction is reversible, and meets the relation of formula (8) completely.In addition, θ
c, R, with H there is following relation:
θ
C＝sin
-1(n
2/n
1) (10)
H＝R(1-cosα) (11)
P＝2R sinα (12)
Wherein, α is the half angle of this circular arc 154 couples of center of circle d, and has relation:
α>θ
C(13)
Be somebody's turn to do the relation in order to meet formula (8), i.e. θ C<60 °, n
1with n
2between, there is following relation:
n
2/n
1<sin(60°) (14)
Make sin (60 °)=0.866, then can obtain following relation:
n
1>n
2/0.866 (15)
Make Δ n=n
1– n
2, then can obtain following relation:
Δn>0.1547n2 (16)
R, α, H, namely become in volume to volume ultraviolet curing moulding process, corresponding to mould engraving cutter needed for parameter, wherein, R is radius of edge, α be cutting edge half angle degree H then for contraposition target be carved into the degree of depth.Therefore can be generally called above-mentioned engraving cutter for " round contraposition target graver tool " (not shown), and make R, α, H be the basic design parameters of this engraving cutter.In addition, finally this round contraposition target graver tool, the image live width of the tool light total reflection contraposition target presented, is decided by P.That is R, α determine the image live width of final contraposition target.Generally, use this round contraposition target graver tool, when doing the engraving of contraposition target on mould, in fact, contraposition target can be engraved as crosswise, after volume to volume ultraviolet curing is shaping, the 3D geometry of this crosswise contraposition target, namely as shown in Figure 10.
Below volume to volume ultraviolet curing molding manufacture procedure of the present invention is described.As shown in figure 11, this volume to volume ultraviolet curing molding manufacture procedure 110, consists predominantly of the processing of ground floor structure processing roller 115, second layer structure roller 116, the liquid resin film 152 of several transmission roller 111 ~ 114, two coating assembly 117 ~ 118, two liquid resins 152 ' ~ 153 ', two " ~ 153 ", two ultraviolet light source generation components 119 ~ 120, with two ultraviolet light sources 121 ~ 122.
First, by this coating assembly 117, first by this liquid resin 152 ', coat on the face of this transparent planar substrate 151, to form a liquid resin film 152 "; this film 152 " again through this ground floor structure processing roller 115 impression, with the exposure curing of this ultraviolet light source 121 after, can on the face of this transparent planar substrate 151, this ground floor structure 152 of device, with these several contraposition targets 155.Wherein, this ultraviolet light source 121 is produced by this ultraviolet light source generation component 119.In addition, the structure of this ground floor structure processing roller 115, as shown in figure 12.
In addition, by this coating assembly 118, first by this liquid resin 153 ', on the face coating this planar substrate 151, on the face of this ground floor structure 152, with on these several contraposition targets 155, to form a liquid resin film 153 ", this film 153 " again through the impression of this second layer structure processing roller 116, after the exposure curing of this ultraviolet light source 122, can on the face of this planar substrate 151, on the face of this ground floor structure 152, with on these several contraposition targets 155, this second layer structure 153 of device, namely with this liquid resin 153 ', the structures such as lens pillar array and contraposition target are filled and led up, make this 3D plane cylinder mirror film 150, the structure of a plane mould can be formed.In addition, this ultraviolet light source 122 is produced by this ultraviolet light source generation component 120.In addition, the structure of this second layer structure processing roller 116, as shown in figure 12
As shown in figure 12, the structure of this ground floor structure processing roller 115, is by the groove structure 115a of several lens pillars 152, forms with the groove structure 115b of several contraposition targets 155.Wherein, the groove structure 115a of these several lens pillars, be by the round cutter of tool (not shown) or multiaspect shape lens cutter (not shown), accurate Carving Machining is done to this roller 115, to produce the groove structure 115a of this lens pillar.In addition, the groove structure 115b of these several these contraposition targets 155, be by tool ladder font cutter (non-icon) or round cutter (not shown), accurate Carving Machining done to this roller 115, to produce the groove structure 115b of this contraposition target.The structure of this second layer structure processing roller 116 is made up of a smooth disc 116a.Be with, as shown in figure 11, by this ground floor structure processing roller 115 to this film 152 " impression, with this ultraviolet light source 121 to this film 152 " exposure curing after, can on the face of this transparent planar substrate 151, this ground floor structure 152 of device, namely lens pillar structure of arrays 152, with these several these contraposition targets 155.In addition, by this second layer structure processing roller 116 to this film 153 " impression, with this ultraviolet light source 122 to this film 153 " exposure curing after, can on the face of this transparent planar substrate 151, on the face of this ground floor structure 152, with on these several these contraposition targets 155, this second layer structure 153 of device, namely fill and lead up the planar structure of lens pillar array, with these several these contraposition targets 155.
Figure 13 (a) is depicted as the contraposition target display effect figure of known 3D plane cylinder mirror film under a light conditions, the contraposition target display effect figure of Figure 13 (b) 3D plane cylinder of the present invention mirror film under same light source condition.Can find out from Figure 13 (a) figure, known 3D plane cylinder mirror film contraposition target of the prior art only can embody profile, cannot reach effect accurately during contraposition; And can find out from Figure 13 (b) figure, 3D plane cylinder mirror film contraposition target of the present invention has the effect of total reflection, and contrast is far away higher than non-register guide target region.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. the 3D plane cylinder mirror film with contraposition target, is characterized in that, consist predominantly of following assembly:
Transparent planar substrate, has light refractive index n
0;
Ground floor structure, is installed on described transparent planar substrate, and described ground floor structure is transparent structure, and has light refractive index n
1;
Multiple contraposition target, is installed on described transparent planar substrate, and described contraposition target has feature that is transparent and light total reflection structure, has light refractive index n
1;
Second layer structure, device and cover described transparent planar substrate, described ground floor structure and each described contraposition target, second layer structure is transparent structure, and has light refractive index n
2;
Ground floor structure and the interstructural interface of the second layer are lens face.
2. the 3D plane cylinder mirror film of band contraposition target according to claim 1, it is characterized in that, described transparent planar substrate is selected from PET, APET, PC, PMMA, PET, PI or glass material.
3. the 3D plane cylinder mirror film of band contraposition target according to claim 1, is characterized in that, described transparent planar substrate and the interstructural light refractive index of described ground floor, have n
1>=n
0relation.
4. the 3D plane cylinder mirror film of band contraposition target according to claim 1, is characterized in that, described ground floor structure and the interstructural light refractive index of the described second layer, have n
1>n
2relation; And each described contraposition target and the interstructural light refractive index of the described second layer, equally there is n
1>n
2relation.
5. the 3D plane cylinder mirror film of band contraposition target according to claim 1, is characterized in that, described ground floor structure and the interstructural interface of the second layer are be selected from the lens face of tool arc-shaped or the lens face of tool multiaspect shape.
6. the 3D plane cylinder mirror film of band contraposition target according to claim 1, is characterized in that, described 3D plane cylinder mirror film is made up of the processing procedure that volume to volume ultraviolet curing is shaping.
7. the 3D plane cylinder mirror film of band contraposition target according to claim 1, is characterized in that, each described contraposition target is selected from the figure that cross section is the structure formation of trapezoidal shape or arc-shaped; Preferably, each described contraposition target is cruciform.
8. the 3D plane cylinder mirror film of band contraposition target according to claim 1, is characterized in that, described ground floor structure is formed by the solidification of UV curing resin material; Preferably, described second layer structure is formed by the solidification of UV curing resin material; Preferably, described contraposition target is formed by the solidification of UV curing resin material.
9. the 3D plane cylinder mirror film of band contraposition target according to claim 7, is characterized in that,
The dual-side that the figure of described trapezoidal shape has base that a length of side is B, the length of side is S and a length of side are the top margin of A, and have height H, and wherein, the angle on described dual-side and described base is φ, described height H and the relation between S, φ as follows: H=S sin φ;
For the parallel input light from described base, through a side, described top margin and another side, the condition that described parallel input light can reach light total reflection is as follows: θ
1=θ
3=φ, θ
2=π-2 φ, φ > θ
c;
Wherein, θ
1for for a described side, the incident angle of described parallel input light; θ
2for for described top margin, the incident angle of described parallel input light; θ
3for for another side described, the incident angle of described parallel input light; θ
cfor the angle of total reflection, and there is following relation: θ
c=sin
-1(n
2/ n
1);
A, B, H have following relation: B=A+2H tan (pi/2-φ);
Make A '=(B-A)/2, then A ' has following relation: A '=H tan (pi/2-φ);
A and A ' has following relation: A=H tan (π-2 φ)-A '.
10. the 3D plane cylinder mirror film of band contraposition target according to claim 7, is characterized in that,
The figure of described arc-shaped is made up of a circular arc and a base, there is radius R, crown height H and circular arc width P, for the parallel input light from described base, through arc point a, arc point b, arc point c, the condition that described parallel input light can reach light total reflection is as follows: θ
1=θ
2=θ
3=60 ° of > θ
c;
Wherein, the position of described arc point a, described arc point b, described arc point c is symmetrical in the center of circle of described circular arc and symmetrical with 60 ° of angles, θ
1for for described arc point a, the incident angle of described parallel input light; θ
2for for described arc point b, the incident angle of described parallel input light; θ
3for for described arc point c, described parallel input light incident angle; θ
cfor the angle of total reflection;
θ
c, R and H has following relation: θ
c=sin
-1(n
2/ n
1), H=R (1-cos α), P=2Rsin α;
Wherein, α is the half angle of described circular arc to the described center of circle, and has following relation: α > θ
c;
In order to meet θ
c<60 °, n
1with n
2between there is following relation: n
2/ n
1<sin (60 °).
The preparation method of the 3D plane cylinder mirror film of the band contraposition target in 11. 1 kinds of claims 1 to 10 described in any one, it is characterized in that, described preparation method comprises the following steps:
Transparent planar substrate is coated with the first liquid resin by coating assembly, then on described transparent planar substrate, machine-shaping is carried out to described first liquid resin by ground floor structure processing roller, make described first liquid resin form ground floor structure and multiple contraposition target finally by ultra-violet curing technology;
Second liquid resin is covered and fills and leads up described transparent planar substrate, described ground floor structure and individual described contraposition target, then by the described second liquid resin of second layer structure processing roller impression, the second liquid resin is made to form second layer structure finally by ultra-violet curing technology.
12. 1 kinds, for the production of the volume to volume ultraviolet curing forming production device of the 3D plane cylinder mirror film of the band contraposition target in claim 1 to 10 described in any one, is characterized in that, comprising:
Ground floor structure processing roller, for being processed to form ground floor structure and multiple contraposition target at transparent planar substrate to the first liquid resin;
Second layer structure processing roller, fills and leads up described transparent planar substrate, described ground floor structure and each described contraposition target for being covered by the second liquid resin;
Ultra-violet curing assembly, for carrying out ultraviolet curing to the described first liquid resin be coated with and described second liquid resin;
Coating assembly, for carrying out described first liquid resinous coating on described transparent planar substrate, and carries out the coating of the second liquid resin on described transparent planar substrate, described ground floor structure and each described contraposition target.
13. volume to volume ultraviolet curing forming production devices according to claim 12, it is characterized in that, described ultra-violet curing assembly comprises ultraviolet light source generation component and ultraviolet light source.
14. volume to volume ultraviolet curing forming production devices according to claim 13, it is characterized in that, the manufacturing process of described ground floor structure and each described contraposition target comprises: by described coating assembly, to form the first liquid resin film on the face first described first liquid resin being coated described transparent planar substrate, described first liquid resin film impresses through described ground floor structure processing roller again, and carry out after exposure curing through described ultraviolet light source, obtain being positioned at the described ground floor structure on the face of described transparent planar substrate and each described contraposition target.
15. volume to volume ultraviolet curing forming production devices according to claim 13, it is characterized in that, the manufacturing process of described second layer structure comprises: by described coating assembly, first described second liquid resin is coated on the face of described transparent planar substrate, on the face of described ground floor structure with on each described contraposition target, to form the second liquid resin film, described second liquid resin film is again through the impression of described second layer structure processing roller, and carry out after exposure curing through described ultraviolet light source, form described second layer structure.
16. volume to volume ultraviolet curing forming production devices according to claim 13, it is characterized in that, described ground floor structure processing roller is made up of the groove structure of the groove structure of multiple lens pillar and each described contraposition target, wherein, the groove structure of each described lens pillar is that pair roller is formed after doing accurate Carving Machining by the round cutter of tool or multiaspect shape lens cutter; The groove structure of each described contraposition target is formed after doing accurate Carving Machining by terraced font contraposition target graver tool or round contraposition target graver tool pair roller.
17. volume to volume ultraviolet curing forming production devices according to claim 13, is characterized in that, described second layer structure processing roller is made up of a smooth disc.
18. volume to volume ultraviolet curing forming production devices according to claim 16, is characterized in that, the described ground floor structure processing structure of roller and the groove structure of described contraposition target, be to provide and have criss-cross contraposition target.
19. volume to volume ultraviolet curing forming production devices according to claim 16, it is characterized in that, described contraposition target is the structure being selected from a trapezoidal shape, and A, φ, H are the basic design parameters of the contraposition target graver tool corresponding to a terraced font, wherein, A is edge width, and φ is sword limit half angle degree, and H is for being carved into the degree of depth.
20. volume to volume ultraviolet curing forming production devices according to claim 16, it is characterized in that, each described contraposition target is the structure being selected from an arc-shaped, and R, α, H are the basic design parameters corresponding to one round target engraving cutter, wherein, R is radius of edge, and α is cutting edge half angle degree, and H is for being carved into the degree of depth.
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