CN115390351A - Long-focus projection curtain - Google Patents
Long-focus projection curtain Download PDFInfo
- Publication number
- CN115390351A CN115390351A CN202110567252.2A CN202110567252A CN115390351A CN 115390351 A CN115390351 A CN 115390351A CN 202110567252 A CN202110567252 A CN 202110567252A CN 115390351 A CN115390351 A CN 115390351A
- Authority
- CN
- China
- Prior art keywords
- layer
- coating
- microstructures
- tele
- ambient light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010410 layer Substances 0.000 claims abstract description 191
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 239000011248 coating agent Substances 0.000 claims abstract description 52
- 239000002346 layers by function Substances 0.000 claims abstract description 52
- 239000011247 coating layer Substances 0.000 claims abstract description 40
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 238000005187 foaming Methods 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 230000003064 anti-oxidating effect Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims 1
- 239000011325 microbead Substances 0.000 claims 1
- 230000003760 hair shine Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000007747 plating Methods 0.000 description 8
- 239000011324 bead Substances 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 208000003464 asthenopia Diseases 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004038 photonic crystal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The application relates to the technical field of projection, and discloses a long-focus projection curtain. The long-focus projection curtain comprises a base layer arranged on the incident side of ambient light; a coating layer disposed on a backlight side of the base layer for absorbing and reflecting ambient light; and the functional layer, locate between basic unit and the coating, and/or, between the adjacent coating, the functional layer includes a plurality of microstructures, with this project ambient light to the coating, the functional layer of this application locates between basic unit and the coating, or, the functional layer locates the functional layer between the adjacent coating, or, the functional layer locates between basic unit and the coating and between the adjacent coating, this functional layer includes a plurality of microstructures, and transmit ambient light to the coating with the functional layer is better, thereby make partly light reflected by the coating, partly is absorbed by the coating, the interference of ambient light has been obstructed, have good light resistance, when strong light shines, also can keep bright color and higher definition.
Description
Technical Field
The application relates to the technical field of projection, especially, relate to a tele projection curtain.
Background
In the related art, a projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects the magnified contour onto a screen. When a projector is purchased, people may pay more attention to the values such as brightness and resolution, and what is more worth paying attention to the projection ratio than the values is the projection ratio, and the projection ratio is an important index for evaluating the projector, and even in daily use, the projection ratio has more important significance for users than the indexes such as brightness.
The projection ratio is the ratio of the projection distance to the picture width, and the smaller the ratio is, the same picture width is projected, and the shorter the required projection distance is, the larger the ratio is, the same picture width is projected, and the longer the required projection distance is. Regarding the criteria for the throw ratio, we consider: when the projection ratio is less than 0.4, the projector is called as a reflective ultra-short-focus projector; when the projection ratio is less than 0.6, the projector is called an ultra-short-focus projector; when the projection ratio is less than 1, the projector is called a short-focus projector; when the throw ratio is greater than 3, it is called a tele projector.
The tele projector can project the desired screen size at a remote location, however, in a bright environment, the tele projection screen has blurred and poor light resistance, which results in distortion of the screen image and may cause visual fatigue after long-term viewing.
Disclosure of Invention
In order to solve the problem of poor light resistance of a long-focus projection curtain in the related art, the application provides a long-focus projection curtain with good light resistance.
In a first aspect, the present application provides a tele projection curtain, comprising:
a base layer disposed on a backlight side of ambient light;
the coating is arranged on the light incident side of ambient light; and (c) a second step of,
the functional layer is arranged between the base layer and the coating and/or between the adjacent coatings and comprises a plurality of microstructures, so that ambient light is projected to the coatings to be absorbed and reflected.
In one implementation manner of the embodiment of the present application, the microstructures are distributed in one or more layers, and each layer of the microstructures is distributed along a direction perpendicular to a layer surface.
In an implementation manner of the embodiment of the present application, the microstructures are periodically arranged along a layer direction, and/or the microstructures are arranged in a staggered manner along a direction perpendicular to the layer direction.
In one implementation of the embodiments of the present application, the microstructures located between the substrate and the coating decrease in volume in a direction toward the coating;
the microstructures, which are located between adjacent coating layers, decrease in volume in a direction toward the base layer.
In an embodiment of the present application, the microstructure is tapered and forms a tapered structure along a direction deviating from the base layer, or the microstructure is hemispherical glass beads, or the microstructure is a protrusion, or the microstructure is semi-cylindrical.
In one implementation of an embodiment of the present application, the coating includes:
the absorption layer is arranged on the backlight side of the base layer and is used for absorbing ambient light; and the number of the first and second groups,
the reflection stratum is arranged on the backlight side of the absorption stratum and used for reflecting ambient light, and the functional layer is arranged between the base layer and the absorption stratum and/or between the absorption stratum and the reflection stratum.
An implementation manner of the embodiment of the present application further includes:
and the anti-oxidation layer is arranged on one side of the base layer, which deviates from the coating.
An implementation manner of the embodiment of the present application further includes a protection layer, where the protection layer includes:
the isolating layer is arranged on one side of the base layer, which is far away from the coating;
the foaming layer is arranged on one side of the isolation layer, which is far away from the base layer; and (c) a second step of,
the hardening layer is arranged on one side, deviating from the base layer, of the foaming layer.
An implementation manner of the embodiment of the present application further includes:
and the coating is arranged on one side of the base layer, which deviates from the coating.
In an implementation manner of the embodiment of the present application, the base layer and the functional layer are made of a composite PVC material or a PET material.
In one implementation of the embodiments of the present application, the base layer and the functional layer are integrally formed.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the utility model provides a long burnt projection curtain, the functional layer is located between basic unit and the coating, or, the functional layer is located between the adjacent coating, or, the functional layer is located between basic unit and the coating and between the adjacent coating, this functional layer includes a plurality of microstructures, the microstructure can gather ambient light, ambient light is incited from the coating surface, partly ambient light is reflected by the coating, ambient light continues to gather via the microstructure, make another part ambient light absorbed by the coating, thereby the interference of ambient light has been obstructed, good light resistance can have, when strong light shines, also can keep bright color and higher definition.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a first implementation of a tele projection curtain provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a second implementation of a tele projection curtain provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a telephoto projection curtain according to a third embodiment provided in this application example;
fig. 4 is a schematic structural diagram of a tele projection curtain provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a tele projection curtain provided in the second embodiment of the present application;
fig. 6 is a schematic structural diagram of a tele projection curtain provided in the third embodiment of the present application;
fig. 7 is a schematic structural diagram of a tele projection curtain provided in the fourth embodiment of the present application.
Reference numerals:
100. a base layer; 200. a functional layer; 300. coating; 400. a protective layer;
11. a pearlescent layer; 12. a bead planting layer; 13. a light-resistant layer; 14. an aluminum layer; 15. plating; 21. a microstructure; 211. a protrusion; 212. hemispherical glass beads; 213. a semi-cylindrical shape; 31. an absorbing layer; 32. a reflective layer; 41. an isolation layer; 42. a foamed layer; 43. a hardened layer; 44. and (6) protecting the film.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
In the related art, a projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects the magnified contour onto a screen. When a projector is selected, people may pay attention to values such as brightness and resolution, and what is more worth paying attention to the projection ratio than the values is the projection ratio, and the projection ratio is an important index for evaluating the projector, and even in daily use, the projection ratio has more important significance for users than indexes such as brightness. The projection ratio is the ratio of the projection distance to the picture width, and the smaller the ratio is, the same picture width is projected, and the shorter the required projection distance is, the larger the ratio is, the same picture width is projected, and the longer the required projection distance is. Regarding the criteria for the throw ratio, we consider: when the projection ratio is less than 0.4, the projector is called as a reflective ultra-short-focus projector; when the projection ratio is less than 0.6, the projector is called an ultra-short-focus projector; when the projection ratio is less than 1, the projector is called a short-focus projector; when the throw ratio is greater than 3, it is called a tele projector. The tele projector can project the desired screen size at a remote location, however, the tele projector screen has poor light resistance in bright light conditions, resulting in distortion of the screen image and long-term viewing that can cause visual fatigue.
In view of the above problem, an embodiment of the present application provides a tele projection curtain, including: the functional layer comprises a base layer, a coating and a functional layer, wherein the base layer is arranged on the backlight side of ambient light; the coating is arranged on the light incident side of ambient light; the functional layer is arranged between the base layer and the coating layer and/or between the adjacent coating layers, and the functional layer comprises a plurality of microstructures, so that ambient light is projected to the coating layers to be absorbed and reflected.
Wherein, as will be understood by those skilled in the art, the tele projection screen can be selected from a common projection screen, a grating screen, a quantum pearlized film or a brightness enhancement film, etc., as long as the transmittance ratio is larger than 3.
For a more particular understanding of the technical spirit of the present application, exemplary embodiments are described below in conjunction with the appended drawings:
fig. 1 is a schematic structural diagram of a first implementation manner of a tele projection curtain provided in an embodiment of the present application; FIG. 2 is a schematic structural diagram of a second embodiment of a tele projection screen according to an embodiment of the present disclosure; fig. 3 is a schematic structural diagram of a telephoto projection curtain according to a third implementation manner provided in the embodiment of the present application. Referring to fig. 1-3, embodiments of the present application provide a tele projection curtain, including: a base layer 100 disposed on a backlight side of ambient light; a coating layer 300 disposed on a light incident side of ambient light; and a functional layer 200 disposed between the substrate 100 and the coating layer 300 and/or between adjacent coating layers 300, wherein the functional layer 200 includes a plurality of microstructures 21, so as to project ambient light to the coating layer 300 for absorption and reflection.
According to the tele projection curtain provided by the embodiment of the application, the functional layer 200 is arranged between the base layer 100 and the coating 300, or the functional layer 200 is arranged between the adjacent coatings 300, or the functional layer 200 is arranged between the base layer 100 and the coating 300 and between the adjacent coatings 300, the functional layer 200 comprises the plurality of microstructures 21, the microstructures 21 can collect the ambient light, the ambient light enters from the surface of the coating 300, a part of the ambient light is reflected by the coating 300, the ambient light is continuously collected through the microstructures 21, so that the other part of the ambient light is absorbed by the coating 300, the interference of the ambient light is blocked, the tele projection curtain has good light resistance, and when the tele projection curtain is irradiated by strong light, the bright color and the high definition can be maintained.
Wherein, the microstructure 21 is distributed in one layer or a plurality of layers, and each layer of microstructure 21 is distributed along the direction vertical to the layer surface.
When the microstructure 21 is a layer, the microstructures 21 are periodically arranged in the layer direction, that is, the microstructures 21 may be arranged at uniform intervals in the layer direction. When the microstructures 21 are multiple layers, the microstructures 21 are periodically arranged along the layer direction and the microstructures 21 are staggered along the direction perpendicular to the layer direction, on one hand, the thickness of the tele projection curtain can be reduced, on the other hand, the setting mode can improve the visual angle of the tele projection curtain in the layer direction and compress the visual angle in the direction perpendicular to the layer direction, and then the brightness gain of the projection curtain in the direction perpendicular to the layer direction is improved. Thereby the obtained projection picture has high definition.
In this embodiment, the microstructures 21 between the base layer 100 and the coating layer 300 decrease in volume in a direction toward the coating layer 300; the microstructures 21 between adjacent coating layers 300 decrease in volume in a direction toward the base layer 100. Ambient light is incident from the surface of the coating 300, part of the ambient light is diffusely reflected at the beginning of incidence, the rest of the ambient light enters the functional layer 200 between the coatings 300, and is collected to the coating 300 to be absorbed under the action of the microstructures 21 of the functional layer 200, and part of the ambient light returns to the coating 300 to be absorbed through the microstructures 21 of the functional layer 200 between the base layer 100 and the coating 300. Therefore, the interference of ambient light is blocked, and the light-resistant performance and the visibility are good.
Specifically, the microstructures 21 are tapered along a direction away from the base layer 100 to form a tapered structure, and the tapered structure can achieve a better light-gathering effect, so that ambient light can be better gathered to the coating 300, the coating 300 can absorb or reflect the ambient light, and better light resistance is achieved; alternatively, the microstructures 21 are hemispherical glass microspheres 212; alternatively, the microstructures 21 are protrusions 211; alternatively, the microstructures 21 are semi-cylindrical 213.
It should be understood by those skilled in the art that the specific shape of the microstructure 21 is not limited, and may be any structure that can transmit the ambient light to ensure that most of the ambient light is absorbed or reflected, thereby improving the light resistance.
Wherein for the coating 300, the coating 300 comprises an absorbing layer 31 and a reflecting layer 32, wherein the absorbing layer 31 is arranged on the back light side of the base layer 100 for absorbing ambient light, the reflecting layer 32 is arranged on the back light side of the absorbing layer 31 for reflecting ambient light, and the functional layer 200 is arranged between the base layer 100 and the absorbing layer 31 and/or between the absorbing layer 31 and the reflecting layer 32.
In an alternative of this embodiment, the tele projection curtain further comprises: and the anti-oxidation layer is arranged on one side of the base layer 100, which is far away from the coating 300, and is used for preventing the curtain from being oxidized and yellowed and prolonging the service life of the curtain.
In an alternative of this embodiment, the tele projection curtain further includes a protective layer 400, where the protective layer 400 includes an isolation layer 41, a foaming layer 42, and a hardening layer 43; wherein, the isolating layer 41 is arranged on one side of the base layer 100 departing from the coating 300, the foaming layer 42 is arranged on one side of the isolating layer 41 departing from the base layer 100, the hardening layer 43 is arranged on one side of the foaming layer 42 departing from the base layer 100, thereby the foaming layer 42 is arranged between the isolating layer 41 and the hardening layer 43,
in an alternative of this embodiment, the tele projection screen further comprises a plating layer 15, and the plating layer 15 is disposed on a side of the hardened layer 43 facing away from the base layer 100 for preventing scratching of the base layer 100.
Example one
Fig. 4 is a schematic structural diagram of a long-focus projection curtain according to an embodiment of the present application, please refer to fig. 4, which illustrates a long-focus light-resistant projection curtain, including: a base layer 100, a coating layer 300, and a functional layer 200, wherein the base layer 100 is disposed on an incident side of ambient light, and the coating layer 300 is disposed on a backlight side of the base layer 100 for absorbing and reflecting the ambient light; and, the functional layer 200 is disposed between the base layer 100 and the coating layer 300, and/or between adjacent coating layers 300, the functional layer 200 including a plurality of microstructures 21, thereby projecting ambient light to the coating layers 300. Wherein, the microstructure 21 of the functional layer 200 is a bump 211 made by an embossing process; when the external light irradiates the surface of the curtain, a part of light is reflected by the reflecting layer 32, and a part of light is absorbed by the absorbing layer 31, so that the interference of most of the ambient light is blocked, the curtain has good ambient light interference resistance, and even in an indoor bright environment, the curtain can still keep bright colors and clear images. Specifically, the protrusion 211 is plural, and the protrusion 211 may be circular, rectangular, diamond-shaped, polygonal, or the like. The functional layer 200 and the base layer 100 are of an integrated structure, and the functional layer 200 and the base layer 100 are made of a composite PVC material.
Example two
Fig. 5 is a schematic structural diagram of a tele projection curtain provided in the second embodiment of the present application, please refer to fig. 5, when the tele projection curtain includes a quantum pearlized film, the tele projection curtain includes: a base layer 100, a coating layer 300, and a functional layer 200, wherein the base layer 100 is disposed on an incident side of ambient light, and the coating layer 300 is disposed on a backlight side of the base layer 100 for absorbing and reflecting the ambient light; and, the functional layer 200 is disposed between the base layer 100 and the coating layer 300, and/or between adjacent coating layers 300, the functional layer 200 including a plurality of microstructures 21, thereby projecting ambient light to the coating layers 300. The base layer 100 is a pearlized layer 11, the functional layer 200 is a bead-planting layer 12, and the base layer further comprises a light-resistant layer 13 which is processed by a corona process, the light-resistant layer is located between the pearlized layer 11 and the bead-planting layer 12, a plurality of hemispherical glass beads 212 are formed on the bead-planting layer 12, and an aluminum layer 14 for enhancing tensile property is arranged between the pearlized layer 11 and the light-resistant layer 13. In addition, the side of the base layer 100 facing away from the coating 300 is also provided with a coating 15.
In combination with the above description, on one hand, the reflected light of the screen can be enhanced through the arrangement of the plating layer 15, the scratch of the screen surface can be effectively prevented, the reflection and the diffusion of the light can be effectively enhanced through the arrangement of the reflection layer 32, the multi-layer and multi-dimensional enhancement is provided, so that the picture of the long-focus projection screen is bright and not dazzling, the brightness of the whole picture is more uniform and soft, the long-focus projection screen has strong light resistance through the arrangement of the light-resistant layer 13, is suitable for various environments, and maintains good visible angle and uniformity while ensuring high brightness; on the other hand, through the matching of the base layer 100, the reflecting layer 32, the plating layer 15, the pearly layer 11, the pearly layer 12 and the light-resistant layer 13, the attached screen surface is smooth, flat and thin, the picture is fine and smooth, the close-distance film viewing picture is clearer, and the screen surface is not easy to yellow; the gain of the peak value of the picture can reach 1.9, the picture color is more bright and bright, and the film viewing experience is greatly improved; the full visual angle can reach 37 degrees, and under the condition that the gain reaches 1.9, the full visual angle is completely suitable for the small and numerous places with high requirements on the definition of a video screen, such as meeting rooms, living rooms, supermarkets and the like; the contrast ratio is improved by about 1.4 times compared with a common screen, and when a film with high contrast is watched, the picture level is clearer and the detail expression is richer.
The reflecting layer 32 is made of photonic crystal metamaterial, and the thickness of the reflecting layer 32 is 0.03mm, so that the reflecting layer is used for enhancing the reflection and diffusion of ambient light. The plating layer 15 is a scratch-proof plating layer 15, and the thickness of the plating layer 15 is 0.02mm, so that scratch and scratch are prevented, and the protection performance is improved. The base layer 100 is made of a PET material having superior heat resistance, folding resistance, chemical resistance, and light transmittance, and the thickness of the base layer 100 is 0.13mm. The pearlescent layer 11 is formed by compounding and fixing pearlescent powder and an adhesive; the adhesion stability can be improved. An oxidation resistant layer (or a weather resistant layer) for preventing oxidation and yellowing is disposed on the lower surface of the base layer 100; is used for preventing the quantum pearlized film from yellowing due to oxidation. The refractive index of the hemispherical glass beads 212 is 1.86, and the particle size of the hemispherical glass beads 212 is 8-105 μm, so that the refractive index of the quantum pearlescent film to ambient light is improved.
EXAMPLE III
Fig. 6 is a schematic structural diagram of a tele projection screen provided in the third embodiment of the present application, please refer to fig. 6, where the tele projection screen is a grating screen, including: a base layer 100, a coating layer 300 and a functional layer 200, wherein the base layer 100 is disposed on an incident side of ambient light, and the coating layer 300 is disposed on a backlight side of the base layer 100 for absorbing and reflecting the ambient light; and, the functional layer 200 is disposed between the substrate 100 and the coating layer 300, and/or between adjacent coating layers 300, the functional layer 200 including a plurality of microstructures 21, thereby projecting ambient light to the coating layer 300. The functional layer 200 is a grating structure, and the microstructure 21 has a semi-cylindrical shape 213, specifically, a plurality of grating structures are provided. In addition, in order to ensure the adhesion of each layer, an adhesive can be added between adjacent layers to form an adhesive layer, so that the firmness degree of the curtain is improved.
According to the invention, the semi-cylindrical 213 grating structure is arranged on the surface of the screen, so that the ambient light can be regularly and irregularly reflected and diffusely reflected, and the coating 300 reflects and absorbs the ambient light, so that most of the interference of the ambient light is blocked, therefore, when the light is strong in the daytime, the picture definition on the screen is high, the color is bright, the light resistance effect is achieved, the light resistance is 10% higher than that of a common screen, the viewing angle range is wider, and the visual fatigue is reduced; moreover, the screen with the structure has relatively simple structure and processing technology and relatively low manufacturing cost.
In addition, in the embodiment, the thickness of the grating structure is 0.15mm, and the width of the grating structure is 0.3mm. The absorption layer 31 is made of an opaque black material, and comprises the following components in percentage by mass: ink: diluent = 1. The diluent comprises the following components in percentage by mass: 50% of cyclohexanone, 20% of anti-white water and 30% of butyl acetate, wherein the main material of the printing ink is PVC synthetic resin VYHH.
Example four
Fig. 7 is a schematic structural diagram of a tele projection screen provided in the fourth embodiment of the present application, where an incremental film is used for the tele projection screen, the tele projection screen includes: a base layer 100, a coating layer 300, and a functional layer 200, wherein the base layer 100 is disposed on an incident side of ambient light, and the coating layer 300 is disposed on a backlight side of the base layer 100 for absorbing and reflecting the ambient light; and, the functional layer 200 is disposed between the substrate 100 and the coating layer 300, and/or between adjacent coating layers 300, the functional layer 200 including a plurality of microstructures 21, thereby projecting ambient light to the coating layer 300. Further, a protection layer 400 and a protection film coated on the surface of the protection layer 400 are further disposed on the surface of the base layer 100, the protection layer 400 includes an isolation layer 41, a foaming layer 42 and a hardening layer 43, the isolation layer 41 and the hardening layer 43 are respectively compounded on the upper and lower surfaces of the resin film foaming layer 42, polymer films of nanoparticles are uniformly distributed in the foaming layer 42, and the nanoparticles in the polymer films containing nanoparticles are oriented uniformly and are arranged periodically.
Through set up isolation layer 41, foaming layer 42 and sclerosis layer 43 in brightness enhancement film inside for brightness enhancement film optics is good, and light diffusion reaches ideal effect, indexes such as refractive index, reflectivity promote by a wide margin.
Wherein, the diameter of the nano-particles is 7 to 9 microns, the void ratio is 40 to 45 percent, the density of the spherical micro-bubbles is 40000 to 55000 ten thousand/cubic centimeter, and the thickness of the protective film is 100 to 400 microns. In addition, the protective film is prepared by adopting a three-layer co-extrusion biaxial stretching method, and spherical micro bubbles are uniformly distributed in the protective film.
Further in this example, the brightness enhancement film was tested to yield the following data as follows:
1. brightness coefficient beta, curtain material or use, detection result: luminance coefficient β =2.136.
1.D type, cloth quality, the brightness coefficient is more than or equal to 0.60, the surface coating 300 or embossed diffuse reflection screen brightness coefficient is more than or equal to 0.75, and the plastic screen brightness coefficient is more than or equal to 0.85;
type B, film projection, brightness coefficient greater than or equal to 1.10;
3.S type, audio-visual display, and the brightness coefficient is more than or equal to 1.75.
2. Effective scattering angle 2 α, curtain material or use, 2 α =38 °.
D-type screens with effective scattering angles of more than or equal to 150 degrees;
type B, type S: and (3) film projection, when beta is more than or equal to 1.1 and less than or equal to 1.4: not less than 80 degrees;
when beta is more than or equal to 1.4 and is less than or equal to 1.8: not less than 60 degrees;
beta is more than or equal to 1.8 and less than or equal to 2.0: not less than 50 degrees;
beta is more than or equal to 2.0 and less than or equal to 2.5: not less than 40 degrees;
beta is more than or equal to 2.5: not less than 30 degrees;
detecting an environmental condition: indoor illuminance 01x.
While the invention has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely illustrative of particular embodiments of the invention that enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A tele projection curtain, comprising:
a base layer (100) provided on the backlight side of ambient light;
a coating (300) disposed on a light incident side of ambient light; and the number of the first and second groups,
a functional layer (200) disposed between the substrate (100) and the coating layer (300) and/or between adjacent coating layers (300), the functional layer (200) comprising a plurality of microstructures (21) to project ambient light onto the coating layer (300) for absorption and reflection.
2. Tele projection curtain of claim 1, wherein the microstructures (21) are distributed in one or more layers, each layer of the microstructures (21) being distributed in a direction perpendicular to a layer plane.
3. Tele projection curtain according to claim 1 or 2, wherein the microstructures (21) are periodically arranged in a layer plane direction and/or wherein the microstructures (21) are misaligned in a direction perpendicular to the layer plane direction.
4. Tele projection curtain as claimed in claim 1, wherein the microstructures (21) located between the base layer (100) and the coating layer (300) decrease in volume in a direction towards the coating layer (300);
the microstructures (21) located between adjacent coating layers (300) decrease in volume in a direction towards the base layer (100).
5. Tele projection curtain as claimed in claim 1, wherein the microstructures (21) are conical structures, or wherein the microstructures (21) are hemispherical glass microbeads (212), or wherein the microstructures (21) are protrusions (211), or wherein the microstructures (21) are semi-cylindrical (213).
6. The tele projection curtain of claim 1, wherein the coating (300) comprises:
the absorption layer (31) is arranged on the light incidence side of the base layer (100) and is used for absorbing ambient light; and the number of the first and second groups,
the reflection layer (32) is arranged on the light incidence side of the absorption layer (31) and used for reflecting ambient light, and the functional layer (200) is arranged between the base layer (100) and the absorption layer (31) and/or between the absorption layer (31) and the reflection layer (32).
7. The tele projection curtain of claim 1, further comprising:
an anti-oxidation layer arranged on the side of the base layer (100) departing from the coating (300).
8. The tele projection curtain of claim 1, further comprising a protective layer (400), the protective layer (400) comprising:
an isolation layer (41) arranged on the side of the base layer (100) facing away from the coating (300);
a foam layer (42) arranged on the side of the isolation layer (41) which is far away from the base layer (100); and the number of the first and second groups,
and the hardening layer (43) is arranged on one side of the foaming layer (42) which is deviated from the base layer (100).
9. The tele projection curtain of claim 1, further comprising:
a coating layer (15), the side of the base layer (100) facing away from the coating layer (300).
10. The tele projection curtain of claim 1, wherein the base layer (100) and the functional layer (200) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110567252.2A CN115390351A (en) | 2021-05-24 | 2021-05-24 | Long-focus projection curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110567252.2A CN115390351A (en) | 2021-05-24 | 2021-05-24 | Long-focus projection curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115390351A true CN115390351A (en) | 2022-11-25 |
Family
ID=84114438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110567252.2A Pending CN115390351A (en) | 2021-05-24 | 2021-05-24 | Long-focus projection curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115390351A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000112036A (en) * | 1998-08-03 | 2000-04-21 | Dainippon Printing Co Ltd | Lenticular lens sheet and transmission type screen |
| RU2324211C1 (en) * | 2006-09-06 | 2008-05-10 | Самсунг Электроникс Ко., Лтд. | Projection screen (options) |
| CN109388015A (en) * | 2017-08-04 | 2019-02-26 | 深圳光峰科技股份有限公司 | It is totally reflected screen and optical projection system |
| CN110865509A (en) * | 2018-08-27 | 2020-03-06 | 深圳光峰科技股份有限公司 | Projection screen and manufacturing method thereof |
-
2021
- 2021-05-24 CN CN202110567252.2A patent/CN115390351A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000112036A (en) * | 1998-08-03 | 2000-04-21 | Dainippon Printing Co Ltd | Lenticular lens sheet and transmission type screen |
| RU2324211C1 (en) * | 2006-09-06 | 2008-05-10 | Самсунг Электроникс Ко., Лтд. | Projection screen (options) |
| CN109388015A (en) * | 2017-08-04 | 2019-02-26 | 深圳光峰科技股份有限公司 | It is totally reflected screen and optical projection system |
| CN110865509A (en) * | 2018-08-27 | 2020-03-06 | 深圳光峰科技股份有限公司 | Projection screen and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2482773C (en) | Improvements in reflection-type projection screens | |
| US7835078B2 (en) | Reflecting screen, method of manufacturing the same, and reflection-type projection system | |
| CN109725484B (en) | Off-axis short-focus orthographic projection optical screen and projection display system | |
| EP0087753A1 (en) | Rear projection screen | |
| US8220932B2 (en) | Dry erasable projection article and system | |
| KR20080012340A (en) | Light diffusion plate and method for producing same | |
| US8115997B1 (en) | Projection screen | |
| JP2001066701A (en) | Optical diffusing sheet and transmission type screen | |
| CN112099303A (en) | Fresnel light-resistant projection screen and manufacturing method thereof | |
| JP2009069550A (en) | Information display member | |
| US7609443B2 (en) | Projection and/or rear projection screen | |
| JP2014199375A (en) | Reflective screen and image display system | |
| JP2006023693A (en) | Reflection type screen | |
| CN111208705B (en) | Projection screen and projection system | |
| JP2016062031A (en) | Reflective screen and image display system | |
| JP2016009149A (en) | Translucent projection screen | |
| JP6272013B2 (en) | Reflective screen, video display system | |
| CN110554559B (en) | Fresnel screen | |
| CN115390351A (en) | Long-focus projection curtain | |
| JPH08152684A (en) | Reflection type projection screen | |
| US20070248811A1 (en) | Projection screen | |
| JPH09211729A (en) | Reflection type screen | |
| JP2009098635A (en) | Reflective screen | |
| CN112255877A (en) | Reflective lateral projection screen and projection system | |
| JP2007133209A (en) | Surface protection sheet and transmission type screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |