CN102721989A - Retro reflecting film - Google Patents
Retro reflecting film Download PDFInfo
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- CN102721989A CN102721989A CN2012102079358A CN201210207935A CN102721989A CN 102721989 A CN102721989 A CN 102721989A CN 2012102079358 A CN2012102079358 A CN 2012102079358A CN 201210207935 A CN201210207935 A CN 201210207935A CN 102721989 A CN102721989 A CN 102721989A
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Abstract
The invention discloses a retro reflecting film, which comprises a protective layer, a reflective layer, a sealing layer, an adhesive layer and a release paper layer, wherein the reflective layer is arranged under the protective layer, the sealing layer is arranged under the reflective layer, the adhesive layer is arranged under the sealing layer, and the release paper layer is arranged under the adhesive layer. A reflective structure in the reflective layer is formed by the staggered cutting of three groups of V-shaped knives, and three reflective surfaces of the reflective structure are mutually vertical in pairs. The three groups of V-shaped knives mutually form a certain angle in pairs to be arranged, and the sum of angles of a first groove angle, a second groove angle and a third groove angle are 180 degrees. When the first groove angle in the V-shaped knives increases a certain angle, the second groove angle and the third groove angle respectively reduce a certain angle, and the angles reduced by the second groove angle and the third groove angle are same. When the first groove angle in the V-shaped knives reduces a certain angle, the second groove angle and the third groove angle respectively increase a certain angle, and the angles increased by the second groove angle and the third groove angle are same.
Description
Technical field
The embodiment of the invention relates to a kind of Counter-reflection membrane.
Background technology
The Counter-reflection membrane material has been widely used in aspects such as various traffic alarms and personal security, like the warning notice on the vehicle, the warning against danger sign on the road, friendship controlled flag, navigation marker or billboard etc.Use so widely and make that its demand is increasing, thereby its research is also had realistic meaning and practical value.
The quality of estimating a Counter-reflection membrane material generally has four indexs: the wide-angle property (Entrance angularity) of (1) anisotropy (Orientation), (2) incident light, the homogeneity of (3) reflective taper, the processibility of (4) structure.
Anisotropy (Orientation): when the light of a branch of collimation with certain direction (θ; φ) incide the Counter-reflection membrane material after, keeping constant φ angle, θ angle to increase to the process of 360 degree, the corresponding light echo reflectivity in each φ angle from 0 degree; Because Counter-reflection membrane material particular structural; The corresponding light echo reflectivity in each φ angle is not all identical, that is to say when we people stands in respect to the different position of Counter-reflection membrane, sees that the brightness of the light that contrary reflective membrane reflects maybe be different.The contrary reflective membrane of design will overcome this shortcoming, has anisotropic preferably Counter-reflection membrane thereby produce.
The wide-angle property of incident light (Entrance angularity): (θ φ) incides the Counter-reflection membrane material, increases to the process of 90 degree from 0 degree at constant θ angle, φ angle, and the light echo reflectivity will reduce gradually with certain direction when the light of a branch of collimation.It is good more more gently that reasonable Counter-reflection membrane material light echo reflectivity in the process that constant θ angle, φ angle increases reduces.Because when Counter-reflection membrane was used as the caution label, driver and light were discrepant with respect to the orientation of label, when vehicle distances label 100m, this species diversity is approximately 0.5 degree.So require the light that Counter-reflection membrane reflects to form a light cone, the angle of divergence of this light cone is about 1 degree, and the light of launching from car light so just can reflect the Huis' eyes after through Counter-reflection membrane, and sign could be in sight.
The homogeneity of reflective taper: when the light of a branch of collimation with certain direction (θ, φ) incide the Counter-reflection membrane material after, the light that reflects can be evenly distributed in the light cone of this 1 degree.
The processibility of structure: whether the process of the Counter-reflection membrane material structure that designs is feasible, and whether processing cost is reasonable, and whether machining precision can reach requirement etc.
At present, the structure of Counter-reflection membrane material employing both domestic and external is the Counter-reflection membrane and the Counter-reflection membrane with microprism array structure with micro-sphere array structure.
Reflector layer with Counter-reflection membrane of micro-sphere array structure is made up of a lot of little microballons, and these little microballon back sides are coated with the metal material with reflective characteristic, and these microballons evenly are arranged on the bonding coat closely, and the part of microballon is embedded in the bonding coat.The converse luminescent material of microbead type has the wide-angle property and the anisotropy of good incident light, but its light echo reflectivity is lower, and the process relative complex and the cost of back side metallization are higher.
Reflector layer with Counter-reflection membrane of microprism array structure is made up of the microprism reflecting unit of closely arranging one by one.The standard retroreflective unit is to constitute by three mutually perpendicular in twos, and the difference according to the shape of these three faces can be divided into rescinded angle prism of corner cube and complete prism of corner cube to the Counter-reflection membrane with microprism array structure.The rescinded angle prism of corner cube of standard is by three orthogonal in twos formation of isosceles right triangle; The complete prism of corner cube of standard is by three orthogonal in twos formation of square.
The first step operation of processing Counter-reflection membrane material is to make master mold, is also referred to as anode membrane.The geometry on master mold surface is the geometry of the Counter-reflection membrane reflecting unit that finally manufactures and designs.After the master mold manufacturing is accomplished, can make cavity block through suitable technique, cavity block is used for follow-up compacted products.
The general method of making master mold has pin the tie in technology of tying up, substrate combination technique etc.
The pin technology of tying up that ties in is called chopsticks formula technology again, and it ties up all moulds that process then and make a master mold at the independent reflecting unit of processing of an end of each mould.The advantage of this technology is exactly to process the reflecting unit of Any shape; Flexible design is changeable; But adopt this method to process small prism of corner cube reflecting unit; To make processing cost, process time and manufacturing procedure all increase a lot, and the scale error of the master mold that processes is also very big, technology of tying up and inapplicable processing prism of corner cube reflecting unit so pin ties in.
The substrate combination technique is on the mould of sheet one by one, to process, and the blocks of mould splicing back that will process then forms master mold, and 400-1000 independent elements are generally arranged on a narrow substrate.Though the substrate combination technique ties in respect to pin and ties up technology flexible design degree and reduced, and has reduced processing cost, has reduced process time and manufacturing procedure.
When manufacturing and designing converse smooth membrane material, take all factors into consideration the factor of each side, hope can propose a advanced person's design, makes the converse smooth membrane material that produces have good converse light characteristic, low cost of manufacture and the high characteristics of manufacturing efficient.
Summary of the invention
The objective of the invention is to solve the defective of above-mentioned prior art, a kind of job operation of the Counter-reflection membrane of anisotropy, wide-angle property preferably that has is provided.
For solving above-mentioned technical matters, the present invention adopts following technical scheme:
A kind of Counter-reflection membrane; Comprise protective seam, place reflector layer below this protective seam, place sealant below this reflector layer, place adhesive linkage below the sealing layer, place the ply of paper of peeling off below this adhesive linkage; Reflective structure is formed by the staggered cutting of three groups of V-arrangement cuttves in the reflector layer, and it is vertical each other in twos that three reflective surfaces of reflective structure keep.
A kind of Counter-reflection membrane, described three groups of V-arrangement cuttves are mutually certain angle in twos and arrange, and the angle sum of first gash angle, second gash angle, the 3rd gash angle is 180 degree.
A kind of Counter-reflection membrane, first gash angle has increased certain angle in said V-arrangement cutter, and second gash angle, the 3rd gash angle be reducing certain angle respectively, and the angular dimension that second gash angle, the 3rd gash angle reduce is identical.
A kind of Counter-reflection membrane, first gash angle has reduced certain angle in said V-arrangement cutter, and second gash angle, the 3rd gash angle will increase certain angle respectively, and second gash angle, the 3rd gash angle increasing angles size are identical.
A kind of Counter-reflection membrane, said first gash angle, second gash angle, the increase of the 3rd gash angle or the scope that reduces are not more than 40 degree.
A kind of Counter-reflection membrane, in same group of groove, the variation of gash angle is identical.
A kind of Counter-reflection membrane, in the time of said first gash angle, second gash angle, the variation of the 3rd gash angle angle, the angular bisector of first gash angle, second gash angle, the 3rd gash angle is parallel with the surface normal of three reflective surfaces respectively.
Distance in distance in a kind of Counter-reflection membrane, first group of groove between groove and the second group of groove between groove is identical, in the 3rd group of groove groove pitch from and first group of groove, second group of groove in distance between groove all inequality.
A kind of Counter-reflection membrane, the distance in first group of groove, second group of groove, the 3rd group of groove between groove is respectively 25 microns to 1000 microns.Effect of the present invention and advantage are following:
1, adopt whole process technology, process on the mould of an integral body by three staggered V-arrangement cuttves and obtain master mold, with respect to pin tie in tie up the technology and the substrate combination technique improved work efficiency, significantly reduce the labour, reduce cost.
2, whole process technology makes the size of the reflecting unit that processes reach higher precision.
3, improve the anisotropy of contrary reflective membrane when wide-angle incident, and had wide-angle property preferably.
Description of drawings
Fig. 1 is the sectional view of Counter-reflection membrane;
Fig. 2 is incident light incident direction figure;
Fig. 3 is the back view of Counter-reflection membrane reflector layer;
Fig. 3 a is the sectional view of A-A among Fig. 3;
Fig. 3 b is the enlarged drawing of B among Fig. 3;
Fig. 3 c is basic reflecting unit anisotropy simulated effect figure among Fig. 3;
Fig. 4 is basic reflecting unit coordinate definition figure;
Fig. 5 is the figure after basic reflecting unit leans forward;
Fig. 5 a is the back view of the Counter-reflection membrane reflector layer of the back formation of leaning forward among Fig. 5;
Fig. 6 is the back view of basic reflecting unit hypsokinesis 10 degree back Counter-reflection membrane reflector layers;
Fig. 6 a is basic reflecting unit anisotropy simulated effect figure among Fig. 6;
Fig. 7 is the anisotropy simulated effect figure behind basic reflecting unit hypsokinesis 2 degree;
Fig. 8 is the lean forward reflector layer back view of 10 degree back Counter-reflection membrane materials of basic reflecting unit;
Fig. 8 a is basic reflecting unit anisotropy simulated effect figure among Fig. 8;
Fig. 8 b is basic reflecting unit 10 degree and the wide-angle property simulation result figure of the basic reflecting unit of standard that lean forward;
Fig. 9 for basic reflecting unit lean forward 12 the degree after anisotropy simulated effect figure;
Fig. 9 a is basic reflecting unit 12 degree and the wide-angle property simulation result figure of the basic reflecting unit of standard that lean forward;
Embodiment
Below in conjunction with accompanying drawing the present invention is done further elaboration.
Fig. 1 is the sectional view of Counter-reflection membrane.The Counter-reflection membrane material 100 of manufacturing of the present invention comprises: protective seam 110, body layer 120, reflector layer 130, sealant 140, adhesive linkage 150, peel off ply of paper 160.Protective seam is to be used for protecting reflectorized material to avoid receiving the destruction of external environment, and for example the scratch of external carbuncle, oil stain and water accumulate in the light echo reflectivity of surface influence reflectorized material, and shielding of ultraviolet is alleviated wearing out of reflectorized material or the like; Body layer and reflector layer generally are to make through the method for mold pressing together, and its material is identical all to be transparent, and the lower surface of reflector layer has the reflective element 112 of a lot of microprisms, and these reflective elements have the function of returning incident light; Sealant is claimed supporting layer again, and its effect is to be connected with reflector layer and to produce the air bag 113 of sealing in the centre, and 114 places are connected with reflector layer at bearing, and the method for connection has ultrasonic soldering, thermal weld etc.; Adhesive linkage constitutes by having stickum, and for example pressure sensitive adhesive, hot melt adhesive etc. can directly be bonded at the place that needs stickup; The effect of peeling off ply of paper is the protection adhesive linkage, will peel off ply of paper before use earlier and open.Incident light gets into from front surface 111, through protective seam and body layer, gets into reflector layer then; Because what in pressure bladder, be full of is air; Make that when light gets into reflective element 112 be to enter into optically thinner medium by optically denser medium, when the light of incident had suitable incident angle, total reflection effect can take place in incident light on reflective element; Pass through three reflecting surface effects of reflective element then, return by former direction then.Such design can reduce the loss of light at the reflective membrane material internal, thereby can improve the light intensity that reflects.
Fig. 2 is incident light incident direction figure.Set up a rectangular coordinate system in space on the Counter-reflection membrane surface, the Z axle of coordinate system is parallel with the normal direction of Counter-reflection membrane, and the X axle of coordinate system is parallel with the cut direction of one group of V-knife, and the Y axle is perpendicular to the X axle.When a branch of light incides Counter-reflection membrane surperficial; Represent this bundle direction of light (θ with two position angles;
); What θ represented at the angle is the corner dimension of incident light and Z between centers; What
angle was represented is the corner dimension of incident light between projection line on the XY plane and X axle; Wherein the scope of θ angle size is 0 to spend to 90 degree, and the magnitude range at
angle is 0 to spend to 360 degree.
Fig. 3 is the back view of Counter-reflection membrane reflector layer.The back side of Counter-reflection membrane material is to be arranged by a lot of small reflecting units to form.The Counter-reflection membrane material is to be mutually in twos by three groups of V-arrangement cuttves to form three groups of vee-cuts after certain angle cuts on workplace.Three groups of vee-cuts are represented with m, n, o respectively, belong to same group along unidirectional vee-cut.M1, m2, m3, m4 are along same direction, and they belong to the m group; N1, n2, n3, n4 are along same direction, belong to the n group; O1, o2, o3, o4 are along same direction, belong to the o group.Set up rectangular coordinate system, wherein the X axle is along the direction of m group vee-cut, and the Y axle is perpendicular to X-direction.The vee-cut of m group becomes the angle of 0 degree with the X axle like this, and the vee-cut of o group becomes the angle of 30 degree with the X axle, and the vee-cut of n group becomes the angle of 120 degree with the X axle, and m, n, o arrange along counterclockwise mode.Two basic reflecting units that B comprises among the figure have a common groove, and promptly groove m1 regards such two relative reflecting units as a basic reflecting unit.
Fig. 3 a is the sectional view of A-A among Fig. 3.M1, m2, m3, m4 are respectively four grooves, all belong to the m group, and be corresponding with m group groove among Fig. 2.The axis 41 of gash angle is parallel to the normal direction of Counter-reflection membrane and divides gash angle equally.The gash angle of standard rescinded angle pyramid Counter-reflection membrane material equates that all size is 70 degree 32 minutes.70 degree were defined as the standard angle of V-shaped groove in 32 minutes; Because when the V-arrangement cutter is mutually 60 degree in twos; The parallel axes of gash angle is in the normal direction of Counter-reflection membrane and divide gash angle equally, and size is when all being the cutting in 32 fens of 70 degree, and can obtain dihedral angle all is the standard retroreflective unit of 90 degree.
Fig. 3 b is the enlarged drawing of B among Fig. 3.Three grooves of standard reflecting unit 311 are respectively groove m1, groove o2 and groove n1; It is made up of face a1, face a2 and three faces of face a3; These three faces all are isosceles right triangles; These three faces form three dihedral angles, and these three dihedral angles are respectively dihedral angle A12, dihedral angle A23 and dihedral angle A13, and their size all is 90 degree.Three grooves of standard reflecting unit 310 are respectively groove m1, groove o1 and groove n2; It is made up of face b1, face b2 and three faces of face b3; These three faces all are isosceles right triangles; These three faces form three dihedral angles, and these three dihedral angles are respectively dihedral angle B12, dihedral angle B23 and dihedral angle B13, and their size all is 90 degree.Standard reflecting unit 311 and the intersection CD symmetry of standard reflecting unit 310 about groove m1 and bottom surface; Two relative reflecting units that will have this relation are regarded a basic reflecting unit as, and the reflecting unit with this design feature is known as the standard reflecting unit.
Fig. 3 c is basic reflecting unit anisotropy simulated effect figure among Fig. 3.Numeral (0,30,60,90,120,150,180,210,240,270,300, the 330) expression of circle outer ring is the size at the φ angle of incident light among the figure; What the numeral in the lower left corner among the figure (25,30,35) was represented is the size at the θ angle of incident light; Among the figure by the numeral of the introversive outer sign of circle (0,0.2,0.4 ...) what represent is the size of reflex reflection rate, numeral shows that more greatly the reflex reflection rate is high more.Can see that from Fig. 3 c when the θ angle of incident light is 25 when spending, the light ratio that reflex reflection is returned is evenly distributed on the circle, this moment, Counter-reflection membrane showed a kind of anisotropy preferably.Along with the continuous increase at incident light θ angle, the light that reflex reflection is returned no longer is evenly distributed on the circumference, and the anisotropy of Counter-reflection membrane worse and worse at this moment.
Fig. 4 is basic reflecting unit coordinate definition figure.Four summits of standard reflecting unit 310 are represented with B, C, D, F; Four summits of standard reflecting unit 311 are represented with A, C, D, E the X axle is parallel to the direction of m group groove, with the extended line of EF as the Y axle; X axle, Y axle and CD joining O; The Z axle is perpendicular to the XY face, and standard reflecting unit B-CDF and standard reflecting unit 311 are about the intersection CD symmetry of groove m1 and bottom surface, and reflecting unit B-CDF and reflecting unit A-CDE form a basic reflecting unit.Basic reflecting unit A-CDE is the turning axle rotation with CD, and when rotating in a clockwise direction, reflecting unit leans forward, and the size of the anglec of rotation is the size of top rake; When rotating in a counter-clockwise direction, reflecting unit generation hypsokinesis, the size of the anglec of rotation is the size of back rake angle.Basic reflecting unit B-CDF is the turning axle rotation with CD, when rotating in a clockwise direction, and reflecting unit generation hypsokinesis, the size of the anglec of rotation is the size of back rake angle; When rotating in a counter-clockwise direction, reflecting unit leans forward, and the size of the anglec of rotation is the size of top rake.Or when the summit B of the summit of reflecting unit A-CDE A and reflecting unit B-CDF left the distance increase of CD, we claimed that basic reflecting unit leans forward; When the summit B of the summit of reflecting unit A-CDE A and reflecting unit B-CDF when the distance of CD reduces, we claim basic reflecting unit generation hypsokinesis.
Fig. 5 is the figure after basic reflecting unit leans forward.After reflecting unit A-CDE leans forward, intersect at the E` point, form a new reflecting unit A`-CDE`, intersect at the F` point with the XY axle after reflecting unit B-CDF leans forward, form a new reflecting unit B`-CDF` with the XY axle.Three dihedral angles of new reflecting unit A`-CDE` and reflecting unit B`-CDF` all are 90 degree; Reflecting unit A`-CDE` and reflecting unit B`-CDF` are a basic reflecting unit; The summit A` of reflecting unit A`-CDE` and the summit B` of B`-CDF` increase from the distance of groove m1; The area of reflective surface A`CD and reflective surface B`CD remains unchanged, and reflective surface ACE becomes that area reduces behind the reflective surface A`CE`, and area also reduced after reflective surface ADE became reflective surface A`DE`; Area reduced after reflective surface BCF became reflective surface B`CF`, and area also will reduce after reflective surface BDF becomes reflective surface B`DF`.Reflecting unit A`-CDE` and reflecting unit B`-CDF` are about line segment CD symmetry; Reflecting unit A`-CDE` rotates 180 degree backs and overlaps with reflecting unit B`-CDF`; The direction that they tilted is mutually 180 degree; They have complementary effect on reflective characteristic like this, and a so basic reflecting unit tiling forms Counter-reflection membrane.
Fig. 5 a is the back view of the Counter-reflection membrane reflector layer of the back formation of leaning forward among Fig. 5; In same group of groove; Distance between groove is all identical with the size of gash angle; But in three groups of different grooves, wherein the distance between groove is identical in two groups of grooves, and groove pitch is from being different from identical two groups in another group groove.The gash angle of m group groove increases with respect to the gash angle of standard, and the gash angle of n group and o group will reduce with respect to the gash angle of standard, and the n group is the same with the angle that the o group reduces.
According to one embodiment of present invention, a kind of Counter-reflection membrane that basic reflecting unit hypsokinesis 10 degree backs is formed.Fig. 6 is the back view of basic reflecting unit hypsokinesis 10 degree back Counter-reflection membrane reflector layers.Three groups of grooves are arranged among the figure; The gash angle of first group of groove is all identical, and its size is 50 degree 32 minutes, and second group of gash angle with the 3rd group is identical; Its size is 79 degree 30 minutes; Each is organized, and the distance between groove all equates in the groove, and the distance in second group of groove and the 3rd group of groove between groove equates, but and in first group of groove the distance between groove unequal.Perhaps the gash angle of second group of groove is all identical; Size is 50 degree 32 minutes; First group of gash angle with the 3rd group is identical, and its size is 79 degree 30 minutes, and each is organized, and the distance between groove all equates in the groove; Distance in first group of groove and the 3rd group of groove between groove equates, but and in second group of groove the distance between groove unequal.Perhaps the gash angle of the 3rd group of groove is 50 degree 32 minutes; First group of gash angle with second group is identical; Its size all is 79 degree 30 minutes; Each is organized, and the distance between groove all equates in the groove, and the distance in first group of groove and the second group of groove between groove equates, but and in the 3rd group of groove the distance between groove unequal.Distance in same group of groove between groove is 25 microns to 1000 microns.To make that like this three sides of the reflecting unit that the cutting back forms are vertical each other in twos, will produce two relative basic reflecting units simultaneously.
Fig. 6 a is basic reflecting unit anisotropy simulated effect figure among Fig. 6.Numeral (0,30,60,90,120,150,180,210,240,270,300, the 330) expression of circle outer ring is the size at
angle of incident light among the figure; What the numeral in the lower left corner among the figure (25,30,35) was represented is the size at the θ angle of incident light; Among the figure by the numeral (0,0.1,0.2,0.3 of the introversive outer sign of circle ...) what represent is the size of reflex reflection rate, numeral shows that more greatly the reflex reflection rate is high more.At incident angle φ is 60 to spend to 120 degree, 240 and spend in 300 degree, and the reflex reflection rate of Counter-reflection membrane is all than higher, no matter but the θ angle is 5 degree, 25 degree still 30 degree the time, and the φ angle is when 0 degree, 180 is spent, and the reflection efficiency of Counter-reflection membrane is all very low.The retro-reflective properties of the Counter-reflection membrane that forms does not so reach expected effect.
According to one embodiment of present invention, a kind of Counter-reflection membrane that basic reflecting unit hypsokinesis 2 degree backs is formed.In three groups of grooves of the Counter-reflection membrane material that basic reflecting unit hypsokinesis 2 degree backs form; The gash angle of first group of groove is all identical, and its size is 66 degree 32 minutes, and second group of gash angle with the 3rd group is identical; Its size is 72 degree 30 minutes; Each is organized, and the distance between groove all equates in the groove, and the distance in second group of groove and the 3rd group of groove between groove equates, but and in first group of groove the distance between groove unequal.Perhaps the gash angle of second group of groove is all identical; Its size is 66 degree 32 minutes; First group of gash angle with the 3rd group is identical, and its size is 72 degree 30 minutes, and each is organized, and the distance between groove all equates in the groove; Distance in first group of groove and the 3rd group of groove between groove equates, but and in second group of groove the distance between groove unequal.Perhaps the gash angle of the 3rd group of groove is 66 degree 32 minutes; First group of gash angle with second group is identical; Its size all is 72 degree 30 minutes; Each is organized, and the distance between groove all equates in the groove, and the distance in first group of groove and the second group of groove between groove equates, but and in the 3rd group of groove the distance between groove unequal.
Fig. 7 is the anisotropy simulated effect figure behind basic reflecting unit hypsokinesis 2 degree.When the θ angle is 30 degree, the φ angle is 0 degree, 60 degree, 120 degree, 180 degree, 240 degree and 300 degree time, and the reflection efficiency of Counter-reflection membrane all obviously reduces, and overall reflex reflection incidence is all very low; When the θ angle is 25 degree, the φ angle is 0 degree and 180 degree time, and the reflection efficiency of Counter-reflection membrane all decreases, and the φ angle is 60 degree, 120 degree, when 240 degree and 300 are spent, and the reflection efficiency of Counter-reflection membrane increases again.The retro-reflective properties of the Counter-reflection membrane that forms does not so reach expected effect.
According to one embodiment of present invention, with the basic reflecting unit a kind of Counter-reflection membrane that 10 degree backs form that leans forward.Fig. 8 is the lean forward reflector layer back view of 10 degree back Counter-reflection membranes of basic reflecting unit.Among the figure in three groups of grooves, gash angle sizes all in first group of groove is all identical, is 90 degree 32 minutes, and the gash angle size is all identical in second group of groove and the 3rd group of groove, and its size is 59 to spend 42 fens.
Fig. 8 a is basic reflecting unit anisotropy simulated effect figure among Fig. 8.When the θ angle is 5 degree or 25 when spending, the anisotropy figure of Counter-reflection membrane all levels off to an ellipse, only at the φ angle is 150 to spend to 210 degree or 330 and spend when 30 spend, and reflecting rate just increases to some extent.When incident angle θ spent less than 25, Counter-reflection membrane still kept anisotropy preferably, but when incident angle θ be 30 when spending, it is not obvious especially that the anisotropic effect analogous diagram that obtains is improved with respect to the anisotropic effect of standard retroreflective unit.
Fig. 8 b is basic reflecting unit 10 degree and the wide-angle property simulation result figure of the basic reflecting unit of standard that lean forward., horizontal ordinate is represented the size at incident light θ angle, ordinate is represented the size of the reflex reflection efficient of Counter-reflection membrane.What the lower left corner was represented among the figure is the structure of Counter-reflection membrane, and wherein std representes the basic reflecting unit of standard, the 10 expression standard reflecting units basic reflecting unit that 10 degree backs form that leans forward.Under the constant situation in incident light φ angle, the θ angle is changed in the process of 90 degree by 0 degree, and the corresponding reflex reflection efficient in each θ angle is marked on all reflex reflection efficient on this coordinate then, forms a level and smooth curve.Can know that like figure when incident light θ angle was smaller, the basic reflecting unit of standard was bigger than the lean forward reflex reflection efficient of the basic reflecting unit behind 10 degree of basic reflecting unit; Along with the increase gradually of θ angle, their reflex reflection efficient is all reducing, and when the θ angle of incident light was spent greater than 30, the reflex reflection efficient of the basic reflecting unit of standard sharply reduced; As a whole; The basic reflecting unit wide-angle linearity curve figure that obtains behind 10 degree that leans forward compares with the wide-angle linearity curve figure that the basic reflecting unit of standard obtains; The curve that 10 degree that lean forward obtain is milder, has improved the wide-angle property of Counter-reflection membrane behind 10 degree so basic reflecting unit leans forward.
According to one embodiment of present invention, with the basic reflecting unit a kind of Counter-reflection membrane that 12 degree backs form that leans forward.Basic reflecting unit leans forward in three groups of grooves of the Counter-reflection membrane that 12 degree backs form; The gash angle of first group of groove is all identical, and it is identical that its size is 32, the second groups of gash angles with the 3rd group of 94 degree; Its size is 57 degree 21 minutes; Each is organized, and the distance between groove all equates in the groove, and the distance in second group of groove and the 3rd group of groove between groove equates, but and in first group of groove the distance between groove unequal.Perhaps the gash angle of second group of groove is all identical; Its size is 94 degree 32 minutes; First group of gash angle with the 3rd group is identical, and its size is 57 degree 21 minutes, and each is organized, and the distance between groove all equates in the groove; Distance in first group of groove and the 3rd group of groove between groove equates, but and in second group of groove the distance between groove unequal.Perhaps the gash angle of the 3rd group of groove is 94 degree 32 minutes; First group of gash angle with second group is identical; Its size all is 57 degree 21 minutes; Each is organized, and the distance between groove all equates in the groove, and the distance in first group of groove and the second group of groove between groove equates, but and in the 3rd group of groove the distance between groove unequal.
Fig. 9 for basic reflecting unit lean forward 12 the degree after anisotropy simulated effect figure.Be 30 when spending at the θ angle, the anisotropy the when anisotropy of Counter-reflection membrane is spent less than 30 with respect to incident light θ does not have too big deviation, and the variation on all directions is consistent basically, and the reflex reflection rate is all than higher.The anisotropy of the Counter-reflection membrane that hence one can see that forms after basic reflecting unit leans forward 12 degree has had good improvement really.
Fig. 9 a is basic reflecting unit 12 degree and the wide-angle property simulation result figure of the basic reflecting unit of standard that lean forward.Horizontal ordinate is represented the size at incident light θ angle, and ordinate is represented the size of the reflex reflection efficient of Counter-reflection membrane.What the lower left corner was represented among the figure is the structure of Counter-reflection membrane, and wherein std representes the basic reflecting unit of standard, the 12 expression standard reflecting units basic reflecting unit that 12 degree backs form that leans forward.Under the constant situation in incident light φ angle, the θ angle is changed in the process of 90 degree by 0 degree, and the corresponding reflex reflection efficient in each θ angle is marked on all reflex reflection efficient on this coordinate then, forms a level and smooth curve.When incident light θ angle was smaller, the basic reflecting unit of standard was bigger than lean forward behind 12 degree reflex reflection efficient that obtains of basic reflecting unit; Along with the increase gradually of θ angle, their reflex reflection efficient is all reducing, and when the θ angle of incident light was spent greater than 30, the reflex reflection efficient of the basic reflecting unit of standard sharply reduced; As a whole; The basic reflecting unit wide-angle linearity curve figure that obtains behind 12 degree that leans forward compares with the wide-angle linearity curve figure that the basic reflecting unit of standard obtains; The curve that 12 degree that lean forward obtain is milder, has improved the wide-angle property of Counter-reflection membrane behind 12 degree so basic reflecting unit leans forward.
The whole process technology that the present invention adopts has good processability than the tie in technology of tying up and substrate combination technique of pin.Whole process technology is on the mould of an integral body, to process master mold.On mould, cut with certain direction, certain quantity and certain mode with the V-arrangement cutter, form reflecting unit.The V-arrangement diamond cutter of 2 kinds of different angles of needs is processed on the mould of an integral body and is obtained master mold among the present invention.Whole process technology has improved work efficiency, reduces cost.Whole process technology makes the size of the reflecting unit that processes reach higher precision simultaneously.This has guaranteed the feasibility of project organization, and this structure has not only been improved the anisotropy when wide-angle incident, also has wide-angle property preferably simultaneously.
" embodiment " who is spoken of in this manual, " another embodiment ", " embodiment ", etc., refer to the concrete characteristic, structure or the characteristics that combine this embodiment to describe and be included among at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in instructions.Further, when describing a concrete characteristic, structure or characteristics in conjunction with arbitrary embodiment, what institute will advocate is that other embodiment of combination realize that this characteristic, structure or characteristics also fall within the scope of the invention.
Although invention has been described with reference to a plurality of explanatory embodiment of the present invention here; But; Should be appreciated that those skilled in the art can design a lot of other modification and embodiments, these are revised and embodiment will drop within disclosed principle scope of the application and the spirit.More particularly, in the scope of, accompanying drawing open and claim, can carry out multiple modification and improvement to the building block and/or the layout of subject combination layout in the application.Except modification that building block and/or layout are carried out with improve, to those skilled in the art, other purposes also will be tangible.
Claims (9)
1. Counter-reflection membrane; Comprise protective seam, place reflector layer below this protective seam, place sealant below this reflector layer, place adhesive linkage below the sealing layer, place the ply of paper of peeling off below this adhesive linkage; It is characterized in that: reflective structure is formed by the staggered cutting of three groups of V-arrangement cuttves in the reflector layer, and it is vertical each other in twos that three reflective surfaces of reflective structure keep.
2. Counter-reflection membrane according to claim 1 is characterized in that: described three groups of V-arrangement cuttves are mutually certain angle in twos and arrange, and the angle sum of first gash angle, second gash angle, the 3rd gash angle is 180 degree.
3. Counter-reflection membrane according to claim 2; It is characterized in that: first gash angle has increased certain angle in said V-arrangement cutter; Second gash angle, the 3rd gash angle be reducing certain angle respectively, and the angular dimension that second gash angle, the 3rd gash angle reduce is identical.
4. Counter-reflection membrane according to claim 2; It is characterized in that: first gash angle has reduced certain angle in said V-arrangement cutter; Second gash angle, the 3rd gash angle will increase certain angle respectively, and second gash angle, the 3rd gash angle increasing angles size are identical.
5. according to claim 3 or 4 described Counter-reflection membranes, it is characterized in that: said first gash angle, second gash angle, the increase of the 3rd gash angle or the scope that reduces are not more than 40 degree.
6. according to claim 3 or 4 described Counter-reflection membranes, it is characterized in that: in same group of groove, the variation of gash angle is identical.
7. according to claim 3 or 4 described Counter-reflection membranes; It is characterized in that: in the time of said first gash angle, second gash angle, the variation of the 3rd gash angle angle, the angular bisector of first gash angle, second gash angle, the 3rd gash angle is parallel with the surface normal of three reflective surfaces respectively.
8. Counter-reflection membrane according to claim 1; It is characterized in that: the distance in the distance in first group of groove between groove and the second group of groove between groove is identical, in the 3rd group of groove groove pitch from and first group of groove, second group of groove in distance between groove all inequality.
9. Counter-reflection membrane according to claim 8 is characterized in that: the distance in first group of groove, second group of groove, the 3rd group of groove between groove is respectively 25 microns to 1000 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012102079358A CN102721989A (en) | 2012-06-21 | 2012-06-21 | Retro reflecting film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102079358A CN102721989A (en) | 2012-06-21 | 2012-06-21 | Retro reflecting film |
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| CN102721989A true CN102721989A (en) | 2012-10-10 |
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| CN2012102079358A Pending CN102721989A (en) | 2012-06-21 | 2012-06-21 | Retro reflecting film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103837916A (en) * | 2014-03-19 | 2014-06-04 | 张家港康得新光电材料有限公司 | Retro-reflective film |
| CN105301683A (en) * | 2015-12-08 | 2016-02-03 | 安徽中益新材料科技有限公司 | Sticking type retroreflective film and preparation method thereof |
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| CN103837916A (en) * | 2014-03-19 | 2014-06-04 | 张家港康得新光电材料有限公司 | Retro-reflective film |
| CN103837916B (en) * | 2014-03-19 | 2017-01-18 | 张家港康得新光电材料有限公司 | Retro-reflective film |
| CN105301683A (en) * | 2015-12-08 | 2016-02-03 | 安徽中益新材料科技有限公司 | Sticking type retroreflective film and preparation method thereof |
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Application publication date: 20121010 |