CN110209007A - Reflective anti-light projection screen - Google Patents
Reflective anti-light projection screen Download PDFInfo
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- CN110209007A CN110209007A CN201910484057.6A CN201910484057A CN110209007A CN 110209007 A CN110209007 A CN 110209007A CN 201910484057 A CN201910484057 A CN 201910484057A CN 110209007 A CN110209007 A CN 110209007A
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- 239000002346 layers by function Substances 0.000 claims abstract description 193
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000002834 transmittance Methods 0.000 claims abstract description 26
- 230000008033 biological extinction Effects 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 47
- 238000003384 imaging method Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 16
- 230000002745 absorbent Effects 0.000 claims description 8
- 239000002250 absorbent Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000084 colloidal system Substances 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 6
- 230000011514 reflex Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
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- 230000008023 solidification Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
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- 239000012780 transparent material Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
A kind of reflective anti-light projection screen, it is characterized in that, it includes the first functional layer and the second functional layer, several first micro-structures are equipped at intervals in first functional layer, it is the first transmittance section between first micro-structure, several second micro-structures is equipped at intervals in second functional layer, second micro-structure is equipped with the reflecting surface for reflection light, it is the second transmittance section between second micro-structure, first transmittance section and the second transmittance section are made of translucent material.The inside of reflective anti-light projection screen of the invention is equipped with the first micro-structure and the second reflective micro-structure for absorbing extinction, wherein, second micro-structure is for reflecting projected light, to realize directional light, reduce projection light loss, first micro-structure drops the interference of low ambient light for absorbing environment light.The present invention is greatly improved the display effect of reflective anti-light projection screen, improves the contrast and brightness of reflective anti-light projection screen.
Description
[technical field]
The present invention relates to projection field, in particular to a kind of reflective anti-light projection screen that Projection Display effect can be improved
Curtain.
[background technique]
Projection screen is the tool for showing the images such as image, screen with projector cooperation, commonly used in commercial advertisement, religion
The occasions such as, office, family or theater entertainment.For the LCD screen for being equally used for showing image, in large scale demand
Occasion in, LCD screen at high cost and be not easy to carry and store, can not receive and keep immediately when not in use；And
LCD screen greater than 50 cun is expensive, is unfavorable for average family purchase and uses；In addition, human eye when watching LCD screen for a long time
Also it is easy to affect vision because being radiated, is unfavorable for the health of human body.However, relative to LCD screen, the throwing of same size
The above problem is but not present in shadow screen, and not only cost and price are far below the LCD screen of same size, be also easy to carry and
Harvesting is rolled, while not influencing human eye health also, therefore is widely used.However, existing projection screen is using
When, the often interference by environment light；When environment light is stronger, projected picture just more white hair ash and lead to projected picture
Contrast is unable to satisfy requirement, does not see Chu so as to cause spectators, and then lose basic demonstrating effect.
[summary of the invention]
Present invention seek to address that the above problem, and projection light loss can be reduced by providing one kind, reduce ambient light interference, can be mentioned
The reflective anti-light projection screen of high Projection Display effect.
To achieve the above object, the present invention provides a kind of reflective anti-light projection screens, which is characterized in that it includes the
One functional layer and the second functional layer are equipped at intervals with several first micro-structures, first micro- knot in first functional layer
It is the first transmittance section between structure, several second micro-structures, second micro-structure is equipped at intervals in second functional layer
It is the second transmittance section, first transmittance section and second between second micro-structure equipped with the reflecting surface for reflection light
Transmittance section is made of translucent material.
Further, first micro-structure is made of light absorbent or the surface of the first micro-structure is equipped with light absorbent,
First micro-structure is for absorbing light.
Further, first micro-structure and the second micro-structure difference are in long strip, along reflective anti-light projection
The width direction of screen is arranged, and first micro-structure is extended along its width direction by one end of the first functional layer and extends to it
The other end；Second micro-structure is extended along its width direction by one end of the second functional layer and extends to its other end.
Further, first micro-structure and the second micro-structure difference are in long strip, and first micro-structure is along reflection
The width direction of the anti-light projection screen of formula is arranged, and second micro-structure is set along the short transverse of reflective anti-light projection screen
It sets, first micro-structure is extended along its width direction by one end of the first functional layer and extends to its other end；Described second
Micro-structure is extended along its short transverse by one end of the second functional layer and extends to its other end.
Further, the side opposite with the second functional layer of first functional layer is light emission side LS, second function
The side opposite with the first functional layer of ergosphere is incident side RS, and the reflecting surface of second micro-structure is used for will be by incident side RS
Incident projected light reflexes to the first functional layer and is emitted to light emission side LS by the first transmittance section of the first functional layer.
Further, first functional layer and the second functional layer are integrally formed or are combined with each other.
Further, the third functional layer being transparent is equipped between first functional layer and the second functional layer.
Further, the third functional layer is imaging layer or photic zone.
Further, substrate layer is equipped on a side surface opposite with the second functional layer for first functional layer.
Further, the 4th function is equipped on a side surface opposite with the first functional layer for second functional layer
Layer.
Further, the 4th functional layer is substrate layer or imaging layer.
Further, the third functional layer being transparent is equipped between first functional layer and the second functional layer, it should
Third functional layer is imaging layer；Substrate layer is equipped on a side surface opposite with the second functional layer for first functional layer；
The 4th functional layer is equipped on a side surface opposite with the first functional layer for second functional layer, the 4th functional layer is base
Material layer.
Further, first micro-structure perpendicular to first functional layer surface, second micro-structure it is anti-
The surface inclination of face and the second functional layer is penetrated in angle.
Further, the tilt angle between the reflecting surface and the second functional layer of each second micro-structure is not quite identical.
Further, each second micro-structure is symmetrically distributed in second functional layer.
Favorable attributes of the invention are, efficiently solve the above problem.Reflective anti-light projection screen of the invention
Inside be equipped with absorb extinction the first micro-structure and the second reflective micro-structure, wherein the second micro-structure be used for projected light
It is reflected, to realize directional light, reduces projection light loss, the first micro-structure drops the dry of low ambient light for absorbing environment light
It disturbs.Reflective anti-light projection screen of the invention can be in terms of reducing interference light and reducing projection light loss two to drop shadow effect
Improved, be greatly improved the display effect of reflective anti-light projection screen, improves pair of reflective anti-light projection screen
Than degree and brightness.Contrast when projection not only can be improved in reflective anti-light projection screen of the invention, guarantees projected picture
Display effect, and its production easy to process, it has strong practicality and commercial value, preferably widelys popularize.
[Detailed description of the invention]
Fig. 1 is structure sectional view of the invention.
Fig. 2 is structure sectional view of the invention.
Fig. 3 is structure sectional view of the invention.
Fig. 4 is structure sectional view of the invention.
Fig. 5 is structure top view of the invention.
Fig. 6 is the schematic perspective view of the first micro-structure and the second micro-structure.
Fig. 7 is the cross sectional shape schematic diagram of the first micro-structure and the second micro-structure.
Fig. 8 is the cross sectional shape schematic diagram of the first micro-structure and the second micro-structure.
Fig. 9 is the cross sectional shape schematic diagram of the first micro-structure and the second micro-structure.
Figure 10 is the cross sectional shape schematic diagram of the first micro-structure and the second micro-structure.
Figure 11 is the cross sectional shape schematic diagram of the first micro-structure and the second micro-structure.
Figure 12 is the cross sectional shape schematic diagram of the first micro-structure and the second micro-structure.
Figure 13 is the cross sectional shape schematic diagram of the first micro-structure and the second micro-structure.
Figure 14 is the principle of the present invention schematic diagram.
Figure 15 is the principle of the present invention schematic diagram.
Wherein, the first functional layer 10, the first micro-structure 11, the first transmittance section 12, the second functional layer 20, the second micro-structure
21, reflecting surface 211, the second transmittance section 22, third functional layer 30, substrate layer 40, the 4th functional layer 50, light emission side LS, incident side
RS, the first functional surfaces A, the second functional surfaces B, joint face C.
[specific embodiment]
The following example is that of the invention is explained further and being supplemented, and is not limited in any way to the present invention.
As shown in Fig. 1~Figure 15, reflective anti-light projection screen of the invention, broad outlines are, are internally provided with
First micro-structure 11 and the second micro-structure 21, wherein the first micro-structure 11 is for absorbing environment light, and the second micro-structure 21 is for anti-
Projected light is penetrated, so as to reduce the loss of projected light, and drops the interference of low ambient light, and then reflective anti-light projection screen can be improved
The display effect of curtain improves the brightness and contrast of reflective anti-light projection screen.
Specifically, as shown in fig. 1~fig. 5, reflective anti-light projection screen of the invention includes the first functional layer 10 and the
Two functional layers 20.What is be spaced in the first functional layer 10 is equipped with several first micro-structures 11, is spaced in the second functional layer 20
Be equipped with several second micro-structures 21.
First micro-structure 11 is made of light absorbent or the surface of the first micro-structure 11 is equipped with light absorbent,
For absorbing environment light.The light absorbent include but is not limited to black ink, black paint, black colloid, black powder or
Other dark materials.
Second micro-structure 21 is used for reflection light, sets the reflecting surface 211 of reflection light.In some embodiments,
Second micro-structure 21 can be made of the material with reflex, and surface just forms the reflecting surface 211, can be used for anti-
Penetrate light.In some embodiments, the reflectorized material that setting tool has reflex can also be plated on the surface of the second micro-structure 21, from
And reflecting surface 211 is formed on the surface of the second micro-structure 21.The material with reflex, can refer to well-known technique into
Row is chosen.
As shown in fig. 1~fig. 5, first functional layer 10 includes several first micro-structures 11 and is distributed in first micro- knot
The first transmittance section 12 between structure 11 or except the first micro-structure 11.First transmittance section 12 is made of translucent material, can
Pass therethrough light.
As shown in fig. 1~fig. 5, second functional layer 20 includes several second micro-structures 21 and is distributed in second micro- knot
The second transmittance section 22 between structure 21 or except the second micro-structure 21.Second transmittance section 22 is made of translucent material, can
Pass therethrough light.
The translucent material includes but is not limited to transparent material, trnaslucent materials etc..In the present embodiment, the translucent material
Transparent colloid, such as UV glue, AB glue are selected, first transmittance section 12 and second is formed by curing process curing molding
Transmittance section 22.When it is implemented, the first micro-structure 11, the second micro-structure 21 can be arranged by corresponding mold, then pour
Transparent colloid is built, just forms the first transmittance section 12 and the second transmittance section 22, the transparent colloid packet after solidification after transparent colloid solidification
The entirety for wrapping up in the first micro-structure 11 just forms the first functional layer 10；Transparent colloid after solidification is wrapped in the second micro-structure 21
Entirety, just form the second functional layer 20.Certainly, those skilled in the art can also form described first by other processing technologys
Functional layer 10 and the second functional layer 20.
It should be noted that first functional layer 10 and the second functional layer 20 are distinguished from functional structure, root
According to the difference of function, first functional layer 10 and the second functional layer 20 belong to different functional structure layers；And in physics knot
On structure, first functional layer 10 and the second functional layer 20, it may be possible to one layer, it is also possible to two layers.As shown in Fig. 2, when first
Functional layer 10 and the second functional layer 20 are when being physically one layer, 20 one of first functional layer 10 and the second functional layer
Molding, without physics interface between the first functional layer 10 and the second functional layer 20.As shown in Figure 1, when the first functional layer 10 and the
For two functional layers 20 when being physically two layers, there are physics interfaces between the first functional layer 10 and the second functional layer 20.
In some embodiments, as shown in Figure 1 and Figure 2, reflective anti-light projection screen can only include 10 He of the first functional layer
Second functional layer 20, either being formed by the first functional layer 10 of physical layer architecture and the second structural integrity and being formed
(as shown in Figure 2) is also possible to be combined with each other by the first functional layer 10 and the second functional layer 20 of two physical layers and be formed
(as shown in Figure 1).
In some embodiments, as shown in figure 3, reflective anti-light projection screen may include the first functional layer 10, the second function
Ergosphere 20 and the third functional layer 30 between the first functional layer 10 and the second functional layer 20.The third functional layer 30 be at
As layer, it is used for projection imaging, is set between the first functional layer 10 and the second functional layer 20, is made of image forming material.Institute
It states third functional layer 30 imaging film can be selected and be compound between the first functional layer 10 and the second functional layer 20, imaging paint also can be selected
It is formed on the surface of first functional layer 10 or the second functional layer 20 and is formed by techniques such as spraying, roll-ins.It is described at
As the specific material type of layer is unrestricted, can be configured according to practical application request.
In some embodiments, as shown in Figure 4, Figure 5, reflective anti-light projection screen includes substrate layer 40, the first function
Layer 10, third functional layer 30, the second functional layer 20 and the 4th functional layer 50.Wherein, substrate layer 40 is set to the first functional layer 10
It on a side surface opposite with the second functional layer 20, is used to shield, for promoting reflective anti-light projection screen
Surface property, or the surface hardness for promoting reflective anti-light projection screen.The third functional layer 30 is set to the first function
Between ergosphere 10 and the second functional layer 20, it is imaging layer, is used for projection imaging, be made of image forming material, specific material
Expect that type is unrestricted, can be configured according to actual needs.4th functional layer 50 be set to the second functional layer 20 with
On the opposite side surface of first functional layer 10, it is similarly substrate layer, is used to shield, it is reflective anti-for being promoted
The back side performance of light projection screen, or the surface hardness for promoting reflective anti-light projection screen.In the present embodiment, resistance
The anti-light projection screen of formula preferably this kind of structure, is not only conducive to process, but also imaging effect is more excellent.
In some embodiments, as shown in Figure 4, Figure 5, reflective anti-light projection screen includes substrate layer 40, the first function
Layer 10, third functional layer 30, the second functional layer 20 and the 4th functional layer 50.Wherein, substrate layer 40 is set to the first functional layer 10
It on a side surface opposite with the second functional layer 20, is used to shield, for promoting reflective anti-light projection screen
Surface property, or the surface hardness for promoting reflective anti-light projection screen.The third functional layer 30 is set to the first function
It is photic zone between ergosphere 10 and the second functional layer 20, is used to that light to be made to transmit, is made of translucent material.Described
Four functional layers 50 are set on a side surface opposite with the first functional layer 10 for the second functional layer 20, are imaging layer, are used for
Projection imaging is made of image forming material.4th functional layer 50 can be selected imaging film be compound in the second functional layer 20 with
On the opposite surface of first functional layer 10, imaging paint also can be selected by techniques such as spraying, roll-ins and be formed in second function
It is formed on the surface opposite with the first functional layer 10 of layer 20.The specific material class of 4th functional layer 50 --- imaging layer
Type is unrestricted, can be configured according to practical application request.
In some embodiments, reflective anti-light projection screen successively includes substrate layer 40, the first functional layer 10, the second function
Ergosphere 20 and the 4th functional layer 50.Wherein, substrate layer 40 is set to the side opposite with the second functional layer 20 of the first functional layer 10
It on surface, is used to shield, be reflected for promoting the surface property of reflective anti-light projection screen, or for being promoted
The surface hardness of the anti-light projection screen of formula.4th functional layer 50 is set to the opposite with the first functional layer 10 of the second functional layer 20
A side surface on, be imaging layer, be used for projection imaging, be made of image forming material.4th functional layer 50 is optional
It is compound on the surface opposite with the first functional layer 10 of the second functional layer 20 with imaging film, imaging paint also can be selected and pass through spray
The techniques such as painting, roll-in are formed on the surface opposite with the first functional layer 10 of second functional layer 20 and are formed.Described
The specific material type of four functional layers 50 --- imaging layer is unrestricted, can be configured according to practical application request.
Substrate layer according to the present invention is transparent, and allows light to pass through, making material includes but is not limited to PET
Material, PVC material, EVA material, PC material, PMMA material, TPU material, glass material etc..In the present embodiment, the substrate layer
Preferably PET material is easy to restore to the original state, so as to keep anti-with good physical mechanical property after winding
The open and flat degree of the anti-light projection screen of formula is penetrated, so that reflective anti-light projection screen will not deform due to repeatedly winding and being unfolded, into
And improve the business use value of reflective anti-light projection screen.
The thickness of the substrate layer can be set as desired, and when thinner thickness, reflective anti-light projection screen is easy to
It winds and is supporting part；When its thickness is thicker, reflective anti-light projection screen can not wind and be hard curtain.
For convenience of description, as shown in Figure 14, Figure 15, on the basis of direction when being used by projecting, the side of projected light incidence
For incident side RS, the side of spectators' viewing is light emission side LS.In the present embodiment, first functional layer 10 with the second functional layer
20 opposite sides are light emission side LS, and the side opposite with the first functional layer 10 of second functional layer 20 is incident side RS.
In other words, the first functional layer 10 is towards spectators, and the second functional layer 20 is away from spectators and towards projection device.Second functional layer
The second micro-structure 21 in 20 can will reflex to the first functional layer by the projected light of incident side RS incidence by its reflecting surface 211
10 and light emission side LS is emitted to by the first transmittance section 12 in the first functional layer 10.
First micro-structure 11 and the second micro-structure 21 are respectively separated set on the first functional layer 10 and the second functional layer 20
In, specific set-up mode can be set as desired:
As shown in figure 4, in some embodiments, first micro-structure 11 and the second micro-structure 21 distinguish it is in long strip,
Its along reflective anti-light projection screen width direction be arranged, first micro-structure 11 by the first functional layer 10 one end edge
Its width direction extends and extends to its other end；Second micro-structure 21 is by one end of the second functional layer 20 along its width side
Its other end is extended to extension.The width direction of reflective anti-light projection screen is referring to reflective anti-light projection screen just
When being often used, it is parallel to the direction of horizontal plane.When first micro-structure 11 and the second micro-structure 21 extend in the width direction,
The extension refers to that its entirety extends in one direction, and be not intended to limit its must be it is linearly extended, can be along straight line
Extend, be also possible to not along linear extension, such as extends along curve.
As shown in figure 5, in some embodiments, first micro-structure 11 and the second micro-structure 21 distinguish it is in long strip,
First micro-structure 11 is arranged along the width direction of reflective anti-light projection screen, and second micro-structure 21 is along reflective anti-
The short transverse of light projection screen is arranged, and first micro-structure 11 is extended by one end of the first functional layer 10 along its width direction
And extend to its other end；Second micro-structure 21 is extended along its short transverse by one end of the second functional layer 20 and is extended to
Its other end.The width direction of reflective anti-light projection screen, it is parallel when referring to reflective anti-light projection screen normal use
With the direction of horizontal plane；The short transverse of reflective anti-light projection screen, when referring to reflective anti-light projection screen normal use,
It is perpendicular to horizontal plane direction.It is described when first micro-structure 11 and the second micro-structure 21 extend along width and short transverse
Extension refer to that its entirety extends in one direction, and be not intended to limit its must be it is linearly extended, can be along linear extension,
It is also possible to not along linear extension, such as extends along curve.
When the first micro-structure 11 and the second micro-structure 21 are arranged along the width direction of reflective anti-light projection screen, such as
Shown in Fig. 4, to enable projection ray to be emitted from the first transmittance section 12 in the first functional layer 10, first micro-structure 11 and the
Two micro-structures 21 should be arranged in a staggered manner, and in other words, the first micro-structure 11 and the second micro-structure 21 should be distributed in reflective anti-light projection
At the differentiated levels of screen.
Preferably to absorb environment light, first micro-structure 11 is preferably perpendicular to the surface of the first functional layer 10, that is, the
One micro-structure, 11 vertical distribution is in the first functional layer 10.The distance being spaced between first micro-structure 11, can be as needed
And be arranged, either equidistantly distributed, is also possible to non-equidistantly distributed.In the present embodiment, the first micro-structure 11 is preferably
To be equally distributed in the first functional layer 10.
For better reflective projection light, the reflecting surface 211 of second micro-structure 21 is preferably provided to and the second functional layer
20 surface inclination is in angle.The tilt angle of the reflecting surface 211 of second micro-structure 21, either it is identical,
It can be not exactly the same, be also possible to entirely different, can specifically be set as desired.Under normal conditions, projected light is
It is projected by the projection device of fixed position, projected light injects the usually incomplete phase of angle at 20 different location of the second functional layer
It together, is better reflective projection light, the tilt angle of the reflecting surface 211 of second micro-structure 21 is preferably according to incident angle
And set, so that projected light can be parallel to the side of horizontal plane by reflecting surface 211 when projected light is incident upon reflecting surface 211
It is reflected away to by light, to obtain directional light, reduces the loss of projected light.
Second micro-structure 21 is spaced apart in the second functional layer 20, the distance at interval, can be set as needed
It sets, either equidistantly distributed, is also possible to a point equidistantly distributed.In the present embodiment, second micro-structure 21 is preferably
To be symmetrically distributed in the second functional layer 20, projection device is centrally placed in reflective anti-light projection screen in this way, facilitating
Incident side RS is used.
As shown in fig. 6, first micro-structure 11 and the second micro-structure 21 are in long strip, cross sectional shape can be as needed
And it is arranged.Specifically, first micro-structure 11 and the second micro-structure 21 be respectively equipped with along its length, width direction extend the
One functional surfaces A and the second functional surfaces B.The first functional surfaces A and the second functional surfaces B is either plane, is also possible to non-flat
Face, for example, when the first micro-structure 11 and the second micro-structure 21 are not linearly to extend, the first functional surfaces A and second
Functional surfaces B is just non-planar, and may be curved surface or cambered surface etc..
In some embodiments, as shown in Figure 7, Figure 8, the first functional surfaces A and the second functional surfaces B are parallel, this first
It is connected respectively by joint face C between functional surfaces A and the end face of the second functional surfaces B.The joint face C can be a plane or an arc surface.
As shown in fig. 7, when the joint face C be plane when, first micro-structure 11, the second micro-structure 21 section be just rectangle,
First micro-structure 11, the second micro-structure 21 are just conventional strip；As shown in figure 8, when the joint face C is cambered surface, institute
State the first micro-structure 11, the section of the second micro-structure 21 is just track type, first micro-structure 11, the second micro-structure 21 are just
The strip of edge arc transition.
In some embodiments, as shown in Fig. 9, Figure 10, Figure 11, the first functional surfaces A and the second functional surfaces B are uneven
Row, the distance being spaced between one end be spaced between the other end at a distance from unequal, the first functional surfaces A and the second functional surfaces
It is connected respectively by joint face C between the end B.The joint face C can be a plane or an arc surface.As shown in Fig. 9, Figure 11, when described
Joint face C be plane when, first micro-structure 11, the second micro-structure 21 section be just it is trapezoidal, first micro-structure 11,
The second micro-structure 21 just strip to Hou on one side thin while.When the joint face C is cambered surface, as shown in Figure 10, described the
One micro-structure 11, the second micro-structure 21 section be just in that class is trapezoidal, first micro-structure 11, the second micro-structure 21 just be one side
The strip of thin one side thickness and edge rounding off.
In some embodiments, as shown in Figure 12 and Figure 13, one end of the first functional surfaces A and the second functional surfaces B are total
Line, the other end separately and by joint face C are connected.The joint face C can be a plane or an arc surface, when the joint face C is
When plane, as shown in figure 12, first micro-structure 11, the second micro-structure 21 section be just triangle, first micro- knot
Structure 11, the second micro-structure 21 are just the strip of triangle.When the joint face C is cambered surface, as shown in figure 13, described first
Micro-structure 11, the second micro-structure 21 section be just fan-shaped.
In other embodiments, the first functional surfaces A, the second functional surfaces B and joint face C can be configured as other forms.
In the present embodiment, as shown in Figure 7, Figure 8, first micro-structure 11, the second micro-structure 21 section be preferably square
Shape is trapezoidal.
First micro-structure 11, the length L of the second micro-structure 21 are related to the size of reflective anti-light projection screen, institute
It states the first micro-structure 11, the thickness T of the second micro-structure 21 and width W and can be set as desired, in the present embodiment, described
One micro-structure 11, the second micro-structure 21 thickness be preferably 0.001MM~1mm, first micro-structure 11, the second micro-structure 21
Width be preferably 0.1~10mm, in other words, the distance being spaced between the first functional surfaces A and the second functional surfaces B be 0.001MM
The width range of~1mm, the first functional surfaces A or the second functional surfaces B are 0.1~10mm.
First micro-structure 11, the second micro-structure 21 can be integrally formed structure, be also possible to lamination layer structure,
It can specifically be set as desired.In the present embodiment, first micro-structure 11 is made into integration by light absorbent, second micro- knot
Structure 21 is made into integration by the reflectorized material with reflex.In other embodiments, first micro-structure 11 can also be compound
Layer structure, is covered with light absorbent on surface；Second micro-structure 21 can also be lamination layer structure, and surface is covered with tool
There is the reflectorized material of reflex.
Whereby, reflective anti-light projection screen of the invention is just formd, its working principles are as follows:
In use, as shown in Figure 14, Figure 15, projection device is set to the incident side RS of reflective anti-light projection screen, i.e., the
The rear side of two functional layers 20；Spectators and environment light are located at the light emission side LS of reflective anti-light projection screen, i.e. the first functional layer 10
Front side.When the projected light that projection device issues injects the second functional layer 20, projected light is by the reflecting surface 211 of the second micro-structure 21
Reflection, and is reflected in the horizontal direction towards 10 direction of the first functional layer, which passes through the first of the first functional layer 10 thoroughly
Light portion 12 and be incident upon in the visual range of spectators, so as to watch projected picture by spectators.As shown in figure 14, it is located at
The environment light of light side LS when being incident upon the first functional layer 10, can be absorbed by the first micro-structure 11, thus can not be with projection
Light equally enters human eye, and then the interference of the environment light to projection such as can greatly reduce daylight, light, so that shadowgraph can be improved
The display effect in face improves picture contrast and brightness.And projected light is reflected by the second micro-structure 21, can be realized flat
Row light reduces the loss of projected light, similarly serves to favor the brightness for improving projected picture.
Although being disclosed by above embodiments to the present invention, the scope of the invention is not limited to this,
Under conditions of present inventive concept, above each component can with technical field personnel understand similar or equivalent element come
Replacement.
Claims (15)
1. a kind of reflective anti-light projection screen, which is characterized in that it includes the first functional layer (10) and the second functional layer (20),
It is equipped at intervals with several first micro-structures (11) in first functional layer (10), is the between first micro-structure (11)
One transmittance section (12) is equipped at intervals with several second micro-structures (21), second micro- knot in second functional layer (20)
Structure (21) is equipped with the reflecting surface (211) for reflection light, is the second transmittance section (22), institute between second micro-structure (21)
It states the first transmittance section (12) and the second transmittance section (22) is made of translucent material.
2. reflective anti-light projection screen as described in claim 1, which is characterized in that first micro-structure (11) is by extinction
Material is made or the surface of the first micro-structure (11) is equipped with light absorbent, and first micro-structure is for absorbing light.
3. reflective anti-light projection screen as described in claim 1, which is characterized in that first micro-structure (11) and second
Micro-structure (21) is in long strip respectively, is arranged along the width direction of reflective anti-light projection screen, first micro-structure
(11) extended by one end of the first functional layer (10) along its width direction and extend to its other end；Second micro-structure (21)
Extended by one end of the second functional layer (20) along its width direction and extends to its other end.
4. reflective anti-light projection screen as described in claim 1, which is characterized in that first micro-structure (11) and second
Micro-structure (21) is in long strip respectively, and first micro-structure (11) is arranged along the width direction of reflective anti-light projection screen,
Second micro-structure (21) is arranged along the short transverse of reflective anti-light projection screen, and first micro-structure (11) is by first
One end of functional layer (10) extends along its width direction and extends to its other end；Second micro-structure (21) is by the second function
One end of layer (20) extends along its short transverse and extends to its other end.
5. reflective anti-light projection screen as described in claim 1, which is characterized in that first functional layer (10) with the
The opposite side of two functional layers (20) is light emission side LS, one opposite with the first functional layer (10) of second functional layer (20)
Side is incident side RS, and the reflecting surface (211) of second micro-structure (21) is used to be reflected by the projected light of incident side RS incidence
Light emission side LS is emitted to by the first transmittance section (12) of the first functional layer (10) to the first functional layer (10).
6. reflective anti-light projection screen as described in claim 1, which is characterized in that first functional layer (10) and second
Functional layer (20) is integrally formed or is combined with each other.
7. reflective anti-light projection screen as described in claim 1, which is characterized in that in first functional layer (10) and the
The third functional layer (30) being transparent is equipped between two functional layers (20).
8. reflective anti-light projection screen as claimed in claim 7, which is characterized in that the third functional layer (30) is imaging
Layer or photic zone.
9. reflective anti-light projection screen as described in claim 1, which is characterized in that first functional layer (10) with
The opposite side surface of second functional layer (20) is equipped with substrate layer (40).
10. reflective anti-light projection screen as described in claim 1, which is characterized in that in second functional layer (20)
A side surface opposite with the first functional layer (10) is equipped with the 4th functional layer (50).
11. reflective anti-light projection screen as claimed in claim 10, which is characterized in that the 4th functional layer (50) is base
Material layer or imaging layer.
12. reflective anti-light projection screen as described in claim 1, which is characterized in that in first functional layer (10) and
The third functional layer (30) being transparent is equipped between second functional layer (20), which is imaging layer；Institute
The side surface opposite with the second functional layer (20) for stating the first functional layer (10) is equipped with substrate layer (40)；In second function
A side surface opposite with the first functional layer (10) for ergosphere (20) is equipped with the 4th functional layer (50), and the 4th functional layer is base
Material layer.
13. reflective anti-light projection screen as described in claim 1, which is characterized in that first micro-structure (11) is vertical
In the surface of first functional layer (10), reflecting surface (211) and the second functional layer (20) of second micro-structure (21)
Surface inclination is in angle.
14. reflective anti-light projection screen as claimed in claim 13, which is characterized in that the reflection of each second micro-structure (21)
Tilt angle between face (211) and the second functional layer (20) is not quite identical.
15. reflective anti-light projection screen as claimed in claim 14, which is characterized in that each second micro-structure (21) is symmetrically divided
It is distributed in second functional layer (20).
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| CN2019104533597 | 2019-05-28 | ||
| CN201910453359 | 2019-05-28 |
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| Publication number | Publication date |
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| CN110209007B (en) | 2024-08-23 |
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