CN211857172U - Long-focus ambient light resistant cloth curtain - Google Patents
Long-focus ambient light resistant cloth curtain Download PDFInfo
- Publication number
- CN211857172U CN211857172U CN202020510066.6U CN202020510066U CN211857172U CN 211857172 U CN211857172 U CN 211857172U CN 202020510066 U CN202020510066 U CN 202020510066U CN 211857172 U CN211857172 U CN 211857172U
- Authority
- CN
- China
- Prior art keywords
- layer
- ambient light
- long
- resistant
- curtain
- 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.)
- Active
Links
- 239000004744 fabric Substances 0.000 title description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 6
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 6
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000001795 light effect Effects 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Abstract
The utility model provides an anti ambient light curtain of long focus, wherein by the anti ambient light curtain of long focus in the face of the low gloss anti light layer of one side of projection arrangement towards the opposite side, be equipped with transparent substrate layer, optical structure layer and reflection stratum according to the preface. The utility model discloses mainly block ambient light source and projection equipment's surface reflection with low gloss anti light layer, cooperation optical structure layer angle of adjustment forms refraction or absorption, at last again with reflection stratum adjustment light gain value and visual angle, reaches the light source formation reflection with projection equipment, and the absorptive anti ambient light effect behind the ambient light source refraction.
Description
Technical Field
The utility model relates to a projection cloth curtain, concretely relates to can use under turning on the light, and keep the anti ambient light cloth curtain of long focus of projection picture color.
Background
The existing projection equipment in places such as meeting rooms, classrooms and the like mainly takes a long-focus projector as a mainstream, and the long-focus projector is a projector with a projection ratio more than 1. When the conventional common projection screen is used in conjunction with a long-focus projector, the conventional common projection screen is affected by refraction, reflection and the like of other ambient light sources, so that a user can have a feeling of whitening or distorting colors of a picture when watching a projection picture. To solve this problem, it is often necessary to turn off the lamp or shade the lamp in the space when using the long-focus projector, so that it is inconvenient to use the projector, and the user may have a poor eyesight in a dark environment when watching the projection screen and the desktop document or note.
In summary, there is a need in the art to provide a projection screen that can be used in a normal environment to reduce the actions of turning off the light, pulling up the curtain, etc., and maintain the original projection image quality.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the present invention provides a long-focus ambient light resistant cloth curtain, which utilizes the characteristics of each layer structure in the cloth curtain to refract and absorb the ambient light source and reflect the projection light source, so as to improve the problem of the color whitening or color distortion of the image when the user watches the projection image.
The utility model provides an anti ambient light curtain of long focus, include:
the low-gloss light-resistant layer is arranged on one outer side of the long-focus environment-resistant light curtain, and one side of the low-gloss light-resistant layer faces the external projection device;
one side of the transparent substrate layer is connected with the other side of the low-gloss anti-light layer;
one side of the optical structure layer is connected with the other side of the transparent substrate layer;
and the reflecting layer is arranged on the other outer side of the long-focus ambient light resistant curtain, and one side of the reflecting layer is connected with the other side of the optical structure layer.
As a further improvement of the present invention, the optical structure layer further comprises a prism layer and an absorption layer, and the refractive index of the prism layer is higher than that of the absorption layer.
As a further improvement, the prism layer further comprises a plurality of optical prisms, each optical prism is equipped with a bottom in the face of one side of the transparent substrate layer, is equipped with a top in the face of one side of the reflection layer, and is equipped with both sides wall in the bottom towards the direction extension at top.
As a further improvement of the utility model, the width of the bottom is larger than that of the top, and the included angle of the two side walls is 12-25 degrees.
As a further improvement of the utility model, the width of the bottom part is between 35 and 60 microns, the width of the top part is between 12 and 35 microns, and the height from the bottom part to the top part is between 40 and 90 microns.
As a further improvement of the present invention, the distance between adjacent optical prisms is 1-7 microns.
As a further improvement of the utility model, the low-gloss anti-reflection layer is a coating material with a fog surface.
As a further improvement of the present invention, the transparent substrate layer is made of polyethylene terephthalate (PET), Polycarbonate (PC), Polyvinyl Chloride (PVC) or Thermoplastic Polyurethane (TPU)
As a further improvement of the utility model, the reflecting layer is coated in white or silver.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses an anti ambient light curtain of cloth of long focus mainly utilizes the optics coating of low gloss anti-photosphere and reflector layer to and the cooperation of the prism layer of optical structure layer and absorbed layer, in order to reach the efficiency of anti ambient light, wherein block the surface reflection of ambient light source and projection equipment with low gloss anti-photosphere, form refraction or absorption with optical structure layer angle of adjustment again, at last with reflector layer adjustment light gain value and visual angle again, reach the light source formation reflection with projection equipment, and the absorptive anti ambient light effect behind the ambient light source refraction.
The utility model discloses an anti ambient light curtain of long focal length need not weaken ambient light source when using to also can keep the projection picture color that the user closed and sees can not turn white or the color distortion, in other words, the user uses cooperation long focal length projection arrangement to use the utility model discloses a during the curtain, need not turn off the lamp or shield external light source with the (window) curtain.
Drawings
Fig. 1 is a schematic structural view of a long-focus ambient light resistant curtain of the present invention;
fig. 2 is a schematic structural diagram of the optical structure layer of the present invention;
FIG. 3 is a schematic view of the long focus ambient light resistant curtain of the present invention;
FIG. 4 is a schematic view of the long focus ambient light resistant curtain of the present invention;
fig. 5 is a schematic view of the reflected light of the long focus ambient light resisting curtain of the present invention.
Description of the symbols:
100 Low gloss Photoresist layer
200 transparent substrate layer
300 optical structure layer
310 prism layer
320 absorption layer
311 bottom
312 top part
313 side wall
400 reflective layer
500 projection device
600 user
700 lamp body
Detailed Description
In order to facilitate the examination and review board to understand the technical features, contents and advantages of the present invention and the efficacy thereof, the present invention will be described in detail with reference to the following embodiments, wherein the drawings are used only for illustration and the auxiliary description, not necessarily for the actual proportion and the precise configuration of the present invention, and therefore, the scope of the present invention in the actual implementation should not be interpreted and limited by the proportion and the configuration relationship of the attached drawings.
The use of the term "exemplary" in the present application means that the disclosed component or embodiment is merely an example, and does not indicate any preference of the user. Moreover, like numerals refer to like elements throughout the several views, and the articles "a" and "an" include plural references unless otherwise specified in the description. The terms "comprises" and "comprising" as used in the specification are intended to indicate the presence of stated features, values, method steps, acts, elements and components, but do not exclude the presence or addition of more features, values, method steps, acts, elements, components or any combination thereof.
Please refer to fig. 1, which is a schematic structural diagram of the long-focus ambient light resistant curtain of the present invention, wherein a transparent substrate layer 200, an optical structure layer 300 and a reflective layer 400 are sequentially disposed from a low-gloss light resistant layer 100 disposed on one side of the long-focus ambient light resistant curtain toward the other side of the long-focus ambient light resistant curtain. The low-gloss light-resistant layer 100 is a matte coating material, the transparent substrate layer 200 is polyethylene terephthalate (PET), Polycarbonate (PC), Polyvinyl Chloride (PVC) or Thermoplastic Polyurethane (TPU), the optical structure layer 300 further includes a prism layer 310 and an absorption layer 320, and the reflection layer 400 is coated in a white or silver color.
Fig. 2 is a schematic structural diagram of the optical structure layer of the present invention, in which the refractive index of the prism layer 310 is higher than that of the absorption layer 320. The prism layer 310 is composed of a plurality of optical prisms, and the distance between each adjacent optical prism is 3-10 microns. The side of each optical prism facing the transparent substrate layer 200 is provided with a bottom 311, the side facing the reflective layer 400 is provided with a top 312, the bottom 311 extends towards the top 312 and is provided with two side walls 313, wherein the included angle between the two side walls 131 is 12-25 degrees, the width of the bottom is 30-60 micrometers, the width of the top is 12-35 micrometers, and the height from the bottom to the top is 40-90 micrometers.
Please refer to fig. 3, which is a schematic view illustrating the long-focus ambient light resistant curtain of the present invention, wherein the outermost side (the low gloss light resistant layer 100) of the long-focus ambient light resistant curtain faces the projection device 500 and the user 600, the light source emitted from the projection device 500 is reflected to the viewing position of the user 600 along the light path L1, and the light source emitted from the lamp body 700 or other environmental objects is refracted into the long-focus ambient light resistant curtain along the light path L2 and absorbed, so as to achieve the ambient light resistant effect.
As shown in fig. 4, a schematic diagram of further reflected light of the light path L1 is shown, wherein a light source emitted by the projection apparatus 500 enters the long-focus ambient light resistant cloth curtain, is reflected by the surface of the coating material blocking portion of the matte surface of the low gloss light resistant layer 100, is reflected by the prism layer 310 of the optical structure layer 300 with an angle changed to form internal reflection, and is emitted by the reflection layer 400 to reach the viewing position of the user 600, and all light sources are retained in the process, so as to achieve the effect of no distortion of the original projected color.
As shown in fig. 5, a further reflected light diagram of the light path L2 is shown, wherein a light source emitted from the lamp body 700 or other environment object enters the long-focus ambient light resistant curtain, and is reflected by the surface of the matte coating material blocking portion of the low gloss light resistant layer 100, and then the angle is changed by the prism layer 310 of the optical structure layer 300, so that the light source which cannot be reflected is absorbed by the absorption layer 320, and the ambient light resistant effect is achieved.
The utility model discloses an anti ambient light curtain of cloth of long focus mainly utilizes the optics coating of low gloss anti-photosphere and reflector layer to and the cooperation of the prism layer of optical structure layer and absorbed layer, in order to reach the efficiency of anti ambient light, wherein block the surface reflection of ambient light source and projection equipment with low gloss anti-photosphere, form refraction or absorption with optical structure layer angle of adjustment again, at last with reflector layer adjustment light gain value and visual angle again, reach the light source formation reflection with projection equipment, and the absorptive anti ambient light effect behind the ambient light source refraction.
The utility model discloses compare in prior art's difference and lie in, the utility model discloses an anti ambient light curtain of long focus when using to need not weaken ambient light source, also can keep the projection picture color that the user closed and sees can not turn white or the color distortion, in other words, the user uses cooperation long focus projection arrangement to use the utility model discloses a during the curtain, need not turn off the lamp or shield external light source with the (window) curtain.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A long focal length ambient light resistant curtain, comprising:
the low-gloss light-resistant layer is arranged on one outer side of the long-focus environment-resistant light curtain, and one side of the low-gloss light-resistant layer faces the external projection device;
one side of the transparent substrate layer is connected with the other side of the low-gloss anti-light layer;
one side of the optical structure layer is connected with the other side of the transparent substrate layer;
and the reflecting layer is arranged on the other outer side of the long-focus ambient light resistant curtain, and one side of the reflecting layer is connected with the other side of the optical structure layer.
2. The long-focus ambient light-resistant curtain of claim 1, wherein the optical structure layer further comprises a prism layer and an absorbing layer, the prism layer having a refractive index higher than that of the absorbing layer.
3. The long-focus ambient light-resistant screen of claim 2, wherein the prism layer comprises a plurality of optical prisms, each of the optical prisms has a bottom portion on a side facing the transparent substrate layer, a top portion on a side facing the reflective layer, and two sidewalls extending from the bottom portion toward the top portion.
4. The long focus ambient light resistant curtain of claim 3, wherein the bottom portion has a greater width than the top portion, and the two sidewalls have an included angle of between 12-25 degrees.
5. The long-focus ambient light-resistant curtain of claim 3, wherein the width of the bottom portion is between 35-60 microns, the width of the top portion is between 12-35 microns, and the height from the bottom portion to the top portion is between 40-90 microns.
6. The long-focus ambient light-resistant curtain of claim 3, wherein the distance between adjacent optical prisms is between 1-7 microns.
7. The long-focus ambient light resistant screen of claim 1, wherein the low-gloss light resistant layer is a matte coating.
8. The long-focus ambient light-resistant screen of claim 1, wherein the transparent substrate layer is polyethylene terephthalate (PET), Polycarbonate (PC), Polyvinyl Chloride (PVC) or Thermoplastic Polyurethane (TPU).
9. The long focus ambient light resistant screen of claim 1, wherein the reflective layer is coated white or silver.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108213202 | 2019-10-05 | ||
| TW108213202U TWM594166U (en) | 2019-10-05 | 2019-10-05 | Long focal length and ambient light resisting curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211857172U true CN211857172U (en) | 2020-11-03 |
Family
ID=71134064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020510066.6U Active CN211857172U (en) | 2019-10-05 | 2020-04-09 | Long-focus ambient light resistant cloth curtain |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211857172U (en) |
| TW (1) | TWM594166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578624A (en) * | 2020-12-04 | 2021-03-30 | 弘胜光电股份有限公司 | Long-focus light-resistant screen |
-
2019
- 2019-10-05 TW TW108213202U patent/TWM594166U/en unknown
-
2020
- 2020-04-09 CN CN202020510066.6U patent/CN211857172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578624A (en) * | 2020-12-04 | 2021-03-30 | 弘胜光电股份有限公司 | Long-focus light-resistant screen |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM594166U (en) | 2020-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4298246A (en) | Reflection type screen | |
| JPH1062870A (en) | Reflection screen and front projection system | |
| CN105408777A (en) | Reflection screen, reflection-screen production method, screen housing, and video display system | |
| CN109388013A (en) | Projection screen and optical projection system | |
| CN109725484A (en) | A kind of off-axis short focus orthographic projection optical screen and projection display system | |
| US10444616B2 (en) | Rear projection screen | |
| JP2012252112A (en) | Reflection screen and method for manufacturing the same | |
| CN109445242A (en) | The anti-light projection screen of Fresnel for ultrashort out-of-focus projection's system | |
| CN211857172U (en) | Long-focus ambient light resistant cloth curtain | |
| CN111427229A (en) | Projection screen and projection system | |
| JP2017520102A (en) | Temporarily multiplexed backlight with asymmetric turning film | |
| TWM577512U (en) | Short-focus front projection ambient light resist screen | |
| CN105116612B (en) | Optical diaphragm, backlight module and display device | |
| CA2378827A1 (en) | Projection system | |
| CN110109249B (en) | Imaging system | |
| CN208796009U (en) | A kind of black grid structure prism screen | |
| US11454930B2 (en) | Holographic image display device | |
| CN207676050U (en) | A kind of virtual reality device optical module | |
| CN207718140U (en) | Anti-scratch projection screen | |
| CN211206834U (en) | Light guide structure of ultra-short focus | |
| WO2016054795A1 (en) | Short-focus orthographic projection screen structure | |
| JP2022025984A (en) | Transparent screen system | |
| CN112987478A (en) | Projection curtain | |
| CN112255877A (en) | Reflective lateral projection screen and projection system | |
| TWI719724B (en) | Anti-light projection screen with telephoto structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |