CN214375802U - Projection curtain - Google Patents

Abstract

The utility model discloses a projection curtain, including substrate layer, UV glue film, be used for the reflection stratum and the protective layer of reflection ray, protective layer, reflection stratum, UV glue film, substrate layer stack gradually the setting, the UV glue film has a plurality of convex textures, and the equipartition is on the substrate layer, the reflection stratum cover on the UV glue film, have with the little convex mirror of convex texture position and shape adaptation, the plane of reflection is the metal plane of reflection. The reflector layer is the front of this projection curtain, and projecting light of projecting apparatus carries out diffuse reflection to projecting light from the protective layer in getting into the projection curtain, by the reflector layer carries out the diffuse reflection to projecting light, demonstrates the image again after gathering and reflecting light through little convex mirror to all the other light outside the filtering projecting apparatus light, in order to increase the screen gain, reduce the facula effect, make the curtain increase the color vividness and the contrast of projection picture under bright environment, in order to reach better sight shadow effect.

Description

Projection curtain

Technical Field

The utility model relates to a projection curtain technical field, in particular to projection curtain.

Background

With the continuous development of screen display technology, projection is widely used as a simple and convenient display mode, for example, in movie theaters, education industries, family entertainment and office needs, and the like. Among them, when displaying by projection, one indispensable device is a projection screen.

However, even the projection screen for cinema which represents the highest level in the industry only adopts the method of spraying aluminum powder and resin on a substrate layer and then spraying an outer protective layer, which is easy to generate various defects. Such as: the aluminum powder is not uniformly sprayed, part of resin is exposed, the aluminum powder falls off and the like. The visual angle and the contrast of the projection are poor, the contrast is often more than one hundred, and the defects of obvious facula effect, poor left and right viewing effect (low effective scattering angle), insufficient definition and the like exist, so that the visual effect is poor.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a projection curtain, which greatly improves the effective scattering angle and contrast of the projection curtain through uniform texture and metal reflective surface.

For solving the technical problem, the utility model discloses following technical scheme has been taken:

the utility model provides a projection curtain, includes substrate layer, UV glue film, is used for the reflection stratum and the protective layer of reflection light, protective layer, reflection stratum, UV glue film, substrate layer stack gradually the setting, the UV glue film has a plurality of convex textures, and the equipartition is on the substrate layer, the reflection stratum covers on the UV glue film, have with the little convex mirror of convex texture position and shape adaptation, the plane of reflection stratum is the metal plane of reflection.

In the projection curtain, the reflecting layer is formed into a reflecting surface by aluminum powder or silver powder through magnetron sputtering or evaporation deposition.

In the projection curtain, still be provided with acid coating or corona layer between UV glue film and the substrate layer.

In the projection curtain, the convex texture on the UV adhesive layer is formed by rolling a micro-gravure plate.

In the projection curtain, a chromium layer formed by magnetron sputtering or evaporation deposition of chromium powder is arranged on the reflecting layer.

In the projection curtain, a nickel layer is arranged between the chromium layer and the reflecting layer, and the nickel layer is formed by nickel powder magnetron sputtering or evaporation deposition.

In the projection curtain, a silicon dioxide layer is further arranged on the chromium layer.

In the projection curtain, the micro convex mirror is a hemispherical surface, a semi-elliptic spherical surface or a parabolic curved surface.

In the projection curtain, the micro convex mirrors are arranged in one of a regular hexagon array, a rectangular array, a radial array and a circular array or are combined by at least two of the arrangement modes.

The projection curtain in, the substrate layer is any one of PET substrate layer, PVC substrate layer and PP substrate layer.

Compared with the prior art, the utility model provides a projection curtain, the reflector layer is the front of this projection curtain, and the projection light of projecting apparatus gets into the projection curtain from the protective layer in, by the reflector layer carries out diffuse reflection to projection light, demonstrates the image again after gathering and reflecting light through little convex mirror to all the other light beyond the filtering projecting apparatus light, with increase screen gain, reduce the facula effect, make the curtain increase the color vividness and the contrast of projection picture under bright environment, in order to reach better sight shadow effect.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a projection curtain provided by the present invention.

Fig. 2 is a schematic structural diagram of an optional embodiment of the projection curtain provided by the present invention.

Fig. 3 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic view of the position B in fig. 2 according to the present invention.

Reference is made to the accompanying drawings in which: 1. substrate layer 2, UV glue layer 21, convex texture 3, reflecting layer 31, micro convex mirror 4, protective layer 5, corona layer 6, chromium layer 7, nickel layer 8 and silicon dioxide layer

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the projection curtain provided by the present invention comprises a substrate layer 1, a UV glue layer 2, a reflective layer 3 for reflecting light and a protective layer 4, wherein the protective layer 4, the reflective layer 3, the UV glue layer 2 and the substrate layer 1 are sequentially stacked, the UV glue layer 2 has a plurality of convex textures 21 and is uniformly distributed on the substrate layer 1, the reflective layer 3 covers the UV glue layer 2 and has a micro-convex mirror 31 adapted to the convex textures 21 in position and shape, and the reflective surface of the reflective layer 3 is a metal reflective surface.

Reflecting layer 3 is the front of this projection curtain, and projecting light of projecting apparatus carries out diffuse reflection to projecting light from protective layer 4 entering projection curtain, by reflecting layer 3 carries out the diffuse reflection, presents the image after gathering and reflecting light through little convex lens 31 to other light outside the filtering projecting apparatus light, in order to increase the screen gain, reduces the facula effect, makes the curtain increase the colour vividness and the contrast of projection picture under bright environment, in order to reach better sight shadow effect.

In this embodiment, the reflective layer 3 is formed by magnetron sputtering or vapor deposition of aluminum powder or silver powder to form a reflective surface, so that the aluminum powder or silver powder is uniformly distributed on the UV glue layer 2, and thus the metal reflective surface has higher reflective efficiency to increase the optical gain of the projection curtain. The reflecting layer 3 is also made finer, has good brightness, higher polarization ratio and higher contrast so as to achieve better film viewing effect. Compared with the existing mode that the visual effect is poor due to the defects that the aluminum powder is sprayed on the substrate layer through the aluminum powder and the resin, the aluminum powder is sprayed unevenly, part of the resin is exposed and the like, the reflection formed by magnetron sputtering or evaporation deposition of the aluminum powder or the silver powder is adopted in the embodiment, the contrast is high, and the contrast can reach 2000: 1, the visual effect is better, thereby having more market competitiveness.

The convex textures on the UV adhesive layer 2 are formed by rolling a micro-gravure, convex textures 21 are embossed to form an array of protrusions, the array of protrusions is covered on the convex textures through the reflecting layer 3, namely a micro-convex mirror 31 corresponding to the convex textures 21 in position and shape is formed, and projection light is reflected through the micro-convex mirror 31, so that higher contrast can be achieved, and real projection color is restored. Moreover, in this embodiment, the UV glue film needs to be through twice solidification, and during the first solidification, the power of UV lamp is less, curtain transport speed is fast, makes the UV glue film design through fast curing, later carries out the second solidification, and the power of UV lamp is great this moment, curtain transport speed is slower, makes the UV glue film shaping, than current one shot forming, the utility model has the advantages of make convex texture have more the stereoeffect, make the sight shadow effect of curtain better.

Specifically, the micro-convex mirror 31 is a hemispherical surface, a semi-elliptical spherical surface, or a parabolic curved surface. The micro convex mirrors 31 are arranged in one of a regular hexagonal array, a rectangular array, a radial array and a circular array or are combined by at least two of the array. Specifically, the shape and arrangement of the convex texture 21 can be determined according to specific needs, so as to achieve the best viewing effect.

The effective scattering angle of the micro convex mirror 31 is 50-70 degrees, so that light is emitted from each angle at the front end of the screen, the defect that the film watching effect is poor at the left side and the right side of the traditional screen, namely the effective scattering angle is low, is effectively overcome, and good images can be watched even if the audience is positioned at the left side and the right side of the screen.

Preferably, still be provided with acid coating or corona layer 5 between UV glue film 2 and the substrate layer 1, can increase the adhesive force between UV glue film 2 and the substrate layer 1 to guarantee the life of three-dimensional sight shadow effect and curtain.

Referring to fig. 2 and 4, in an alternative embodiment, the chromium layer 6 formed by magnetron sputtering or vapor deposition of chromium powder is disposed on the reflective layer 3, so as to reduce the reflective rate of the reflective layer 3 and avoid the problem that the reflective layer 3 has too strong reflective effect and causes reflection, glare or distortion when viewed by a user. The user can select according to the environment requirement to achieve the best film watching effect.

A nickel layer 7 is arranged between the chromium layer 6 and the reflecting layer 3, the nickel layer 7 is formed by nickel powder magnetron sputtering or evaporation deposition, and the nickel layer 7 plays a role in fusing the reflecting layer 3 and the chromium layer 6, so that the two layers can be better bonded.

Still be provided with silica layer 8 on the chromium layer 6, play the effect of protection chromium layer 6, avoid chromium layer 6 to appear wearing and tearing, drop etc. phenomenon and influence the life of curtain in the use.

Specifically, the substrate layer 1 is provided with sound holes (not shown in the figure) which are uniformly distributed, so that sound can be transmitted from the curtain, and a better audio-visual effect is achieved.

The substrate layer 1 is any one of a PET substrate layer, a PVC substrate layer and a PP substrate layer, has certain hardness, is a supporting part of the whole projection curtain, and is suitable for coating or spraying operation.

The protective layer 4 is a transparent protective layer, the transparent protective layer is transparent polymer resin or a shadowless glue layer, and the purposes that the reflecting layer 3 is scratched, oxidized, polluted and the like can be avoided, so that the curtain is favorably prevented from being worn during transportation, installation or disassembly, and the service life of the curtain is prolonged. Further, the transparent protective layer with proper thickness and good uniform distribution can further reduce the facula effect. Furthermore, a bactericide, an antistatic agent, a flame retardant, an impact modifier and the like can be added to further improve the screen performance.

To sum up, the utility model provides a projection curtain, include substrate layer, UV glue film, be used for the reflection stratum and the protective layer of reflection ray, protective layer, reflection stratum, UV glue film, substrate layer stack gradually the setting, the UV glue film has a plurality of convex textures, and the equipartition is on the substrate layer, the reflection stratum cover on the UV glue film, have with the little convex mirror of convex texture position and shape adaptation, the plane of reflection is the metal plane of reflection. The reflector layer is the front of this projection curtain, and projecting light of projecting apparatus carries out diffuse reflection to projecting light from the protective layer in getting into the projection curtain, by the reflector layer carries out the diffuse reflection to projecting light, demonstrates the image again after gathering and reflecting light through little convex mirror to all the other light outside the filtering projecting apparatus light, in order to increase the screen gain, reduce the facula effect, make the curtain increase the color vividness and the contrast of projection picture under bright environment, in order to reach better sight shadow effect.

In an optional embodiment, a nickel layer formed by nickel powder magnetron sputtering or evaporation deposition, a chromium layer formed by chromium powder magnetron sputtering or evaporation deposition, and a silicon dioxide layer are arranged on the reflecting layer, so that the reflecting rate of the reflecting layer can be reduced, the problem that the reflecting effect of the reflecting layer is too strong, and the user has the problems of reflecting, dazzling or distortion when watching the curtain, and the curtain has the best viewing effect.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a projection curtain, its characterized in that includes substrate layer, UV glue film, is used for the reflection stratum and the protective layer of reflection light, protective layer, reflection stratum, UV glue film, substrate layer are range upon range of setting in proper order, the UV glue film has a plurality of convex textures, and the equipartition is on the substrate layer, the reflection stratum cover on the UV glue film, have with the little convex mirror of convex texture position and shape adaptation, the plane of reflection is the metal plane of reflection.

2. The projection curtain of claim 1, wherein the reflective layer is magnetron sputtered or vapor deposited from aluminum or silver powder to form the reflective surface.

3. The projection curtain of claim 1, wherein an acid coating or corona layer is further disposed between the UV glue layer and the substrate layer.

4. The projection curtain of claim 1, wherein the convex texture on the UV glue layer is rolled from a micro-gravure.

5. The projection curtain of claim 3, wherein the reflective layer is provided with a chromium layer formed by magnetron sputtering or vapor deposition of chromium powder.

6. The projection curtain of claim 5, wherein a nickel layer is disposed between the chromium layer and the reflective layer, the nickel layer being formed by nickel powder magnetron sputtering or vapor deposition.

7. The projection curtain of claim 6, wherein the chromium layer is further provided with a silicon dioxide layer.

8. The projection curtain of claim 1, wherein the micro-convex mirrors are hemispherical, semi-elliptical spherical, or parabolic curved surfaces.

9. The projection curtain of claim 8, wherein the micro-mirrors are arranged in one of a regular hexagonal array, a rectangular array, a radial array, a circular array, or a combination of at least two of the same.

10. The projection curtain of claim 1, wherein the substrate layer is any one of a PET substrate layer, a PVC substrate layer, and a PP substrate layer.

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