CN213780627U - Projection curtain of anti ambient light - Google Patents
Projection curtain of anti ambient light Download PDFInfo
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- CN213780627U CN213780627U CN202023068579.5U CN202023068579U CN213780627U CN 213780627 U CN213780627 U CN 213780627U CN 202023068579 U CN202023068579 U CN 202023068579U CN 213780627 U CN213780627 U CN 213780627U
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- ambient light
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- 239000010410 layer Substances 0.000 claims abstract description 82
- 239000000758 substrate Substances 0.000 claims abstract description 35
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- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- -1 reflection stratum Substances 0.000 claims abstract description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
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- 238000005096 rolling process Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
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- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model discloses an anti ambient light's projection curtain, including the substrate layer, be used for the shading's light shield layer, be used for the reflection stratum and the protective layer of reflection ray, protective layer, reflection stratum, substrate layer, light shield layer stack gradually the setting, the reflection stratum comprises a plurality of little concave mirrors that have concave arc plane of reflection, and the arc diameter of each little concave mirror is the same, and the equipartition is on the substrate layer, concave arc plane of reflection is the metal plane of reflection. The front surface of the projection screen is the reflection layer, and the back surface of the projection screen is the shading layer, so that partial transmission light of the projector is prevented from passing through the shading layer, and the light path loss is reduced. Wherein, through the reflector layer carries out diffuse reflection to the projection light through little concave mirror, just demonstrates the image again after just reflecting the light to the curtain through little concave mirror to all the other light outside the filtering projecting apparatus light, with increase screen gain, increase the colour vividness and the contrast of projection picture, in order to reach better sight shadow effect.
Description
Technical Field
The utility model relates to a projection curtain technical field, in particular to projection curtain of anti ambient light.
Background
Projection display is a display technique for reproducing image information by enlarging the outline of the image information using an optical element and projecting the image information onto a screen. The projection display technology is widely applied to families, offices, schools and entertainment places at present, and projectors mainly have different types such as LCD, DLP and the like according to different working modes; the appearance of the intelligent projector enables the traditional huge projector to be exquisite, portable, miniaturized, entertaining and practical, and is closer to the development direction of life and entertainment, so that the projection display product is promoted to move towards home appliances, and becomes a leading role in viewing images in living rooms or bedrooms.
With the continuous development of screen display technology, projection is widely used as a simple and convenient display mode, for example, for family entertainment life or office needs. Among them, when displaying by projection, one indispensable device is a projection screen. The projection screen is generally used in movie theaters or meeting rooms and is composed of a series of micro-convex mirror structures, so that projection light beams can be subjected to diffuse reflection, and the functions of height improvement and visual angle enlargement are achieved.
However, when the existing projection screen is used at home or outdoors, because the ambient light is strong, after the diffuse reflection is performed through the micro-convex mirror structure, the ambient light is absorbed, so that the projection picture is white and grey, the contrast of the projection picture cannot meet the requirement, and the audience cannot see clearly, and further the basic demonstration effect is lost.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide an anti-ambient light projection curtain.
For solving the technical problem, the utility model discloses following technical scheme has been taken:
the utility model provides an anti ambient light's projection curtain, includes the substrate layer, is used for the shading layer of shading, is used for the reflection stratum and the protective layer of reflection ray, protective layer, reflection stratum, substrate layer, light shield layer stack gradually the setting, the reflection stratum comprises a plurality of little concave mirrors that have concave arc plane of reflection, and the arc diameter of each little concave mirror is the same, and the equipartition is on the substrate layer, concave arc plane of reflection is the metal plane of reflection.
In the projection curtain for resisting the ambient light, the concave arc reflecting surface is a hemispherical reflecting surface, a semi-elliptical spherical reflecting surface or a parabolic curved surface reflecting surface.
In the projection curtain for resisting the ambient light, the concave arc-shaped reflecting surfaces are arranged in one of a regular hexagon, a rectangle, a radial and a circle or are combined by at least two of the regular hexagon, the rectangle, the radial and the circle.
In the projection curtain for resisting the ambient light, the base material layer is provided with sound transmission holes which are uniformly distributed.
In the projection curtain of anti ambient light, the substrate layer is any one of PET substrate layer, PVC substrate layer and PP substrate layer.
In the projection curtain for resisting the ambient light, the reflecting layer is formed by rolling a micro-convex plate.
In the projection curtain of anti ambient light, the reflecting layer is sprayed to the substrate layer, still is provided with transparent adhesion coating between reflecting layer and substrate layer.
In the projection curtain for resisting the ambient light, the peripheries of two sides of the micro concave mirror are provided with absorption layers for absorbing the ambient light.
In the projection curtain for resisting the ambient light, the metal reflecting surface is an aluminum reflecting surface.
In the projection curtain for resisting the ambient light, the protective layer is a transparent protective layer.
Compared with the prior art, the utility model provides an anti ambient light's projection curtain, the reflection stratum is the front of this projection curtain, and the projection light of projecting apparatus gets into the projection curtain from the protective layer in, the light shield layer is the back of this projection curtain, the light shield layer can comprise dark material such as black, and the optional shading printing ink that is avoids the partial transmission light of projecting apparatus to pass from the light shield layer, reduces the light path loss. Wherein, through the reflector layer carries out diffuse reflection to the projection light through little concave mirror, just demonstrates the image again after just reflecting the light to the curtain through little concave mirror to all the other light outside the filtering projecting apparatus light, with increase screen gain, increase the colour vividness and the contrast of projection picture, in order to reach better sight shadow effect.
Drawings
Fig. 1 is a schematic structural diagram of the projection curtain of the utility model for resisting ambient light.
Fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.
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 and fig. 2, the utility model provides an anti-ambient light's projection curtain, including substrate layer 1, the light shield layer 2 that is used for the shading, reflection stratum 3 and the protective layer 4 that is used for light beam, protective layer 4, reflection stratum 3, substrate layer 1, light shield layer 2 stack gradually and set up, reflection stratum 3 comprises a plurality of slightly concave mirror 5 that have concave arc plane of reflection, and each slightly concave mirror 5's arc diameter is the same, and the equipartition is on substrate layer 1, concave arc plane of reflection is the metal plane of reflection.
The reflecting layer 3 is the front of the projection screen, projection light of the projector enters the projection screen from the protective layer 4, the light shielding layer 2 is the back of the projection screen, the light shielding layer 2 can be made of black and other dark materials and can be selected as light shielding ink, partial transmission light of the projector is prevented from passing through the light shielding layer 2, and light path loss is reduced. Wherein, through the reflection stratum 3 just (being on a parallel with) the light of curtain reflects the back and then demonstrates the image, and the ambient light that the oblique was penetrated can't penetrate the plane of reflection of little concave mirror to other light except filtering projecting apparatus light increases screen gain, makes the curtain increase the colour vividness and the contrast of projection picture under bright environment, blocks the ambient light interference through giving up wide angle sight shadow, in order to reach better sight shadow effect.
Wherein the size of the single micro concave mirror 5 is 10 μm × 10 μm, the reflection area is small, and the contrast and the definition are higher.
In this embodiment, the opposite sides of the substrate layer 1 are the light shielding layer 2 and the reflective layer 3 respectively, and the light shielding layer 2 and the reflective layer 3 can be disposed on the opposite sides of the substrate layer 1 by coating or pressing.
The concave arc reflecting surface is a hemispherical reflecting surface, a hemielliptic reflecting surface or a parabolic curved surface reflecting surface. Concave arc reflecting surface is regular hexagon and arranges, rectangle is arranged, radial arrangement, circular arrangement one of them or by wherein two kinds of arrangement combination at least, specifically, concave arc reflecting surface's shape, arrangement all can be confirmed according to concrete needs, the utility model discloses preferentially be hemisphere reflecting surface.
In this embodiment, the reflective layer 3 is formed by rolling a micro-relief plate, and then concave spots of a micro-lens array are stamped, and a metal reflective surface is vacuum-plated in the concave spots.
The metal reflecting surface is an aluminum reflecting surface, so that the metal reflecting surface has higher reflecting efficiency to increase the optical gain of the projection curtain.
Reflecting layer 3 is sprayed to substrate layer 1 on, still is provided with transparent adhesion layer 6 between reflecting layer 3 and substrate layer 1, makes to bond firmly between reflecting layer 3 and the substrate layer 1, avoids in use to appear reflecting layer 3 phenomenons such as protruding, drop and influence and look shadow effect to the life of extension curtain.
The substrate layer 1 is provided with sound transmission holes (not shown in the figure) which are uniformly distributed, so that sound can be transmitted out of the curtain, and a better film watching effect is achieved.
Referring to fig. 1 and fig. 2, the absorbing layers 7 for absorbing the ambient light are disposed on the two side peripheries of the micro-concave mirror 5, and the ambient light is absorbed by the absorbing layers 7, so that the viewing effect can be further improved. The absorption layers 7 are arranged on the peripheries of the two sides of the micro concave mirror 5, so that light projected by the projector and facing the curtain is not influenced, and the effect of resisting ambient light interference is further improved.
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 protective layer 4 is a transparent polymer resin or a shadowless adhesive layer, and the material preferably used for the protective layer 4 is a transparent material, such as: transparent polymer resin or shadowless glue can avoid the internal coating to be oxidized, contaminated and so on. Furthermore, the transparent protective layer with proper thickness and good uniform distribution can further reduce the facula effect, and further can be added with a bactericide, an antistatic agent, a flame retardant, an impact modifier and the like to further improve the screen performance.
To sum up, the utility model provides an anti ambient light's 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, the light shield layer is the back of this projection curtain, the light shield layer can comprise dark material such as black, and the optional shading printing ink that is avoids the partial transmission light of projecting apparatus to pass from the light shield layer, reduces the light path loss. Wherein, through the reflector layer carries out diffuse reflection to the projection light through little concave mirror, just demonstrates the image again after just reflecting the light to the curtain through little concave mirror to all the other light outside the filtering projecting apparatus light, with increase screen gain, increase the colour vividness and the contrast of projection picture, in order to reach better sight shadow 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 an anti ambient light's projection curtain, its characterized in that includes the substrate layer, is used for the shading's light shield layer, is used for the reflection stratum and the protective layer of reflection ray, protective layer, reflection stratum, substrate layer, light shield layer stack gradually the setting, the reflection stratum comprises a plurality of little concave mirrors that have concave arc plane of reflection, and the arc diameter of each little concave mirror is the same, and the equipartition is on the substrate layer, concave arc plane of reflection is the metal plane of reflection.
2. The ambient light resistant projection curtain of claim 1, wherein the concave curved reflective surface is a hemispherical reflective surface, a semi-elliptical spherical reflective surface, or a parabolic curved reflective surface.
3. The ambient light resistant projection curtain of claim 2, wherein the concave arc-shaped reflective surfaces are in one of a regular hexagonal arrangement, a rectangular arrangement, a radial arrangement, a circular arrangement, or a combination of at least two of these arrangements.
4. The ambient light resistant projection curtain of claim 1, wherein the substrate layer is provided with uniformly distributed sound transmission holes.
5. The ambient light resistant projection curtain of claim 1 or 4, wherein the substrate layer is any one of a PET substrate layer, a PVC substrate layer, and a PP substrate layer.
6. The ambient light resistant projection curtain of claim 1, wherein the reflective layer is rolled from a micro-relief.
7. The ambient light resistant projection curtain of claim 1, wherein the reflective layer is spray coated onto the substrate layer and a transparent adhesive layer is further disposed between the reflective layer and the substrate layer.
8. The ambient light resistant projection curtain of claim 7, wherein both side peripheries of the micro-concave mirror are provided with an absorption layer for absorbing ambient light.
9. The ambient light resistant projection curtain of claim 1, wherein the metallic reflective surface is an aluminum reflective surface.
10. The ambient light resistant projection curtain of claim 1, wherein the protective layer is a transparent protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068579.5U CN213780627U (en) | 2020-12-18 | 2020-12-18 | Projection curtain of anti ambient light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023068579.5U CN213780627U (en) | 2020-12-18 | 2020-12-18 | Projection curtain of anti ambient light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213780627U true CN213780627U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023068579.5U Active CN213780627U (en) | 2020-12-18 | 2020-12-18 | Projection curtain of anti ambient light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213780627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115145107A (en) * | 2022-07-25 | 2022-10-04 | 武汉大学 | Projection screen with optical and hydrophobic properties based on surface micro-nano structure and preparation method |
-
2020
- 2020-12-18 CN CN202023068579.5U patent/CN213780627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115145107A (en) * | 2022-07-25 | 2022-10-04 | 武汉大学 | Projection screen with optical and hydrophobic properties based on surface micro-nano structure and preparation method |
| CN115145107B (en) * | 2022-07-25 | 2023-09-19 | 武汉大学 | Projection curtain for generating optical and hydrophobic properties based on surface micro-nano structure and preparation method |
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