CN109343302A - Ultrashort out-of-focus projection's curtain - Google Patents
Ultrashort out-of-focus projection's curtain Download PDFInfo
- Publication number
- CN109343302A CN109343302A CN201811481036.0A CN201811481036A CN109343302A CN 109343302 A CN109343302 A CN 109343302A CN 201811481036 A CN201811481036 A CN 201811481036A CN 109343302 A CN109343302 A CN 109343302A
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- CN
- China
- Prior art keywords
- ultrashort out
- focus projection
- layer
- curtain
- protection component
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The embodiment of the invention discloses a kind of ultrashort out-of-focus projection's curtains, to be directed toward the direction of display surface as first direction by the non-display face of ultrashort out-of-focus projection's curtain；Ultrashort out-of-focus projection's curtain includes the reflection subassembly being stacked along the first direction and protection component；The reflection subassembly includes the reflecting prism being cascading along the first direction and reflecting layer；The reflecting prism is provided with multiple reflector elements close to the side in the reflecting layer, and the section of the reflector element is triangle；There is hollow structure between the protection component and the reflection subassembly, fill air in the hollow structure.Ultrashort out-of-focus projection's curtain provided in an embodiment of the present invention can extend the service life of projection screen, improve user experience.
Description
Technical field
The present embodiments relate to projection display technique more particularly to a kind of ultrashort out-of-focus projection's curtains.
Background technique
Ultrashort out-of-focus projection's curtain is for occasions such as commercial advertisement, teaching, office, family or theater entertainments, for showing
The tool of image, video etc..For LCD screen, LCD screen at high cost and not in the occasion of large scale demand
It easily carries and storage, such as plays applied to significantly advertising panel, movie theatre and when teaching screen, liquid crystal display greater than 50 cun
Curtain it is expensive, and without using when can not receive and keep in time, in addition, eyes watch for a long time LCD screen also be easy because
It is radiated and is affected vision, be unfavorable for the health of human body；The above problem is but not present in the projection screen of same size, not only
Cost is far below LCD screen, and is also easy to carry and roll harvesting, therefore be widely used.
Ultrashort out-of-focus projection's curtain mainly utilizes reflecting prism and reflecting surface to cooperate jointly, to reflect projection ray,
And then realize that image is shown.In a kind of existing ultrashort out-of-focus projection's curtain, reflecting prism is provided with more close to the side of display surface
A reflector element being arranged successively.Reflector element is convex, and section is triangle；Upper spraying is anti-on one side in each reflector element
Face is penetrated, to reflect projection ray, and then realizes that image is shown.
Since in such projection screen, for convex reflector element towards display surface, production yield is lower, Bu Nengjin
Row directly touches, and maintains cumbersome in use and is easy to damage, not easy to clean, service life is shorter.Therefore such ultrashort burnt throwing
Shadow curtain is not favored by client.
Summary of the invention
The present invention provides a kind of ultrashort out-of-focus projection's curtain, to extend the service life of projection screen, improves user experience.
In a first aspect, the embodiment of the invention provides a kind of ultrashort out-of-focus projection's curtain, by ultrashort out-of-focus projection's curtain
Non-display face be directed toward display surface direction be first direction；
Ultrashort out-of-focus projection's curtain includes the reflection subassembly being stacked along the first direction and protection component；
The reflection subassembly includes the reflecting prism being cascading along the first direction and reflecting layer；
The reflecting prism is provided with multiple reflector elements, the section of the reflector element close to the side in the reflecting layer
For triangle；
There is hollow structure between the protection component and the reflection subassembly, fill air in the hollow structure.
Further, the protection component surrounds the hollow structure with two reflector elements being disposed adjacent.
It further, further include cementing layer；
The cementing layer is located between the reflection subassembly and the protection component, by the reflector element close to described
The end and the protection component for protecting component are bonded as one.
Further, the cementing layer includes multiple sub- cementing layers；The different sub- cementing layers are on the protection component
Upright projection be not overlapped；
Each sub- cementing layer bonds the reflector element close to the end of the protection component and the protection component
It is integrated；
First distance is spaced between the two neighboring sub- cementing layer, the first distance is greater than 0, and is less than and is disposed adjacent
Reflector element close to it is described protection component the distance between end.
Further, the material of the cementing layer is acrylate adhesive.
Further, the protection component includes the substrate and atomizing layer being stacked；The mist degree of the atomizing layer is
20%~80%；
Preferably, the atomizing layer includes multiple lenticules, and the lenticule is arranged in the atomizing layer away from the base
The surface of material, so that the atomizing layer is in roughness away from the surface of the substrate.
Further, the upright projection of the lenticule on the substrate is round or oval；
The distance between the upright projection of the two neighboring lenticule on the substrate is greater than or equal to 0 μm, and small
In or equal to 5 μm；
Preferably, the lenticule is greater than or equal to 1 μm along the height of the first direction, and is less than or equal to 10 μm；
Preferably, the partial size of the lenticule is greater than or equal to 10 μm, and is less than or equal to 100 μm.
Further, the mist degree of the atomizing layer is greater than or equal to 20%, and is less than or equal to 80%.
Further, the atomizing layer includes the material that hardness is greater than 3H.
Further, the atomizing layer includes having elastic material.
Further, the material of the substrate is pet resin, thermoplastic polyurethane elastomer
Rubber or polycarbonate.
The embodiment of the present invention by be arranged ultrashort out-of-focus projection's curtain include be stacked along the first direction it is anti-
Penetrate component and protection component；The reflection subassembly includes the reflecting prism being cascading along the first direction and reflection
Layer；The reflecting prism is provided with multiple reflector elements close to the side in the reflecting layer, and the section of the reflector element is three
It is angular；There is hollow structure between the protection component and the reflection subassembly, fill air in the hollow structure, solve
The convex reflector element of existing ultrashort out-of-focus projection's curtain not can be carried out direct touch, maintain in use towards display surface
It is cumbersome and be easy to damage, not easy to clean, the shorter problem of service life, realize improve extend projection screen use the longevity
Life, improves the effect of user experience.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of ultrashort out-of-focus projection's curtain provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the ultrashort out-of-focus projection's curtain of another kind provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram for protecting component provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is a kind of structural schematic diagram of ultrashort out-of-focus projection's curtain provided in an embodiment of the present invention.By ultrashort out-of-focus projection
The direction that display surface is directed toward in the non-display face of curtain is first direction (i.e. X-direction in Fig. 1).Referring to Fig. 1, the ultrashort out-of-focus projection
Curtain includes the reflection subassembly 10 being stacked along first direction (i.e. X-direction in Fig. 1) and protection component 20；Reflection subassembly 10
Including the reflecting prism 11 being cascading along first direction (i.e. X-direction in Fig. 1) and reflecting layer 12；Reflecting prism 11 is remote
Side from reflecting layer 12 is substrate layer, can be integrally formed with reflecting prism, is provided with close to the side in reflecting layer 12 multiple
Reflector element 111, the section of reflector element 111 are triangle；Protecting has hollow structure between component 20 and reflection subassembly 10
112, hollow structure 112 is interior to fill air.
The essence of above-mentioned technical proposal is to be covered using protection component 20 to the reflector element 111 of reflection subassembly 10,
It so that reflector element 111 does not expose directly, can not directly be touched, and then play the role of protecting reflector element 111.Therefore
The incidence surface that technical solution provided by the present application will protect component 20 to be compounded in reflection subassembly 10, reflector element 111 is in projection screen
On the inside of cloth, composition is not easy to scratch/projection screen of injured, transport easy to carry, and have preferable anti-scratch resistant function, it can carry out
Conventional wiped clean maintenance, is conducive to extend the service life of ultrashort out-of-focus projection's curtain, is conducive to improve user experience.
With continued reference to Fig. 1, in use, the light I being emitted from projector 2001, after overprotection component 20, enter
It is mapped to reflection subassembly 10.Projected light I1The light I shown for image is formed after the reflection of reflection subassembly 102, light I2It wears
After overprotection component 20, it is incident in human eye.
With continued reference to Fig. 1, in ultrashort out-of-focus projection's curtain, reflection subassembly 10 further includes light-absorption layer 13, and light-absorption layer 13 is located at
Reflecting prism 11 is close to the side of protection component 20, and light-absorption layer 13 and reflecting layer 12 are located at the different surfaces of reflector element 111
On.As environment light I3It after (such as light) is irradiated to light-absorption layer 13, is absorbed by light-absorption layer 13, to drop low ambient light I3To for scheming
Light I as shown in2Interference.
With continued reference to Fig. 1, optionally, which further includes cementing layer 30；Cementing layer 30 is located at reflection group
Between part 10 and protection component 20, reflector element 111 is bonded as one close to the end of protection component 20 and protection component 20
Body.The benefit being arranged in this way is, so that stable bond between reflection subassembly 10 and protection component 20, prevents it because protecting caused by collision
Protecting assembly 20 falls off, and extends the service life of ultrashort out-of-focus projection's curtain.
Wherein, realizing has there are many ways to hollow structure 112 between protection component 20 and reflection subassembly 10, exemplary
Ground protects component 20 to surround hollow structure 112 with two reflector elements 111 being disposed adjacent.
Fig. 2 is the structural schematic diagram of the ultrashort out-of-focus projection's curtain of another kind provided in an embodiment of the present invention.Compared to Figure 1, no
Same place, is in Fig. 2, and the setting method of cementing layer is different.Specifically, referring to fig. 2, which includes that multiple sons are glued
Layer 31；Different sub- cementing layers 31 are protecting the upright projection on component 20 not to be overlapped；Each sub- cementing layer 31 leans on reflector element 111
The end of nearly protection component 20 and protection component 20 are bonded as one；First distance is spaced between two neighboring sub- cementing layer 31
D1, first distance d1 are greater than 0, and are less than the reflector element 111 being disposed adjacent close to the distance between the end of protection component 20
d2.The essence being arranged in this way, so that whole face is not arranged cementing layer 30, light I1Can as much as possible without cementing layer 30,
But be incident in hollow structure 112 after being directly over protection component 20, it is then emitted from hollow structure 112, is incident on protection
In component 20.Setting can reduce light (including light I in this way1With light I2) the several of birefringence occur at cementing layer 30
Rate reduces light loss, is conducive to the optical gain for improving ultrashort out-of-focus projection's curtain.
Optionally, cementing layer 30 can be the adhesive that can solidify class using ultraviolet light, or other kinds of
Adhesive, the application to this with no restriction.
Influence in view of acrylate adhesive to photopermeability is smaller, optionally, in the above-mentioned technical solutions, glued
The material of layer 30 is acrylate adhesive, so that ultrashort out-of-focus projection's curtain has preferable display effect.
There are many specific plans of establishment for protecting component 20, is described in detail below with regard to typical case, but does not constitute pair
The limitation of the application.
Fig. 3 is a kind of structural schematic diagram for protecting component provided in an embodiment of the present invention.Illustratively, referring to Fig. 3, the guarantor
Protecting assembly 20 includes the substrate 21 and atomizing layer 22 being stacked；Further, the mist degree of atomizing layer 22 is 20%~80%.Mist
Degree refers to that the transmitted light for deviateing 2.5 ° of angles of incident light or more seizes the percentage of total transmission light intensity.Mist degree means more greatly transparency
Decline, light penetration is smaller, and image quality is poorer.The smaller effect for meaning anti-glare of mist degree is poorer.Atomizing layer 22 is set
Mist degree be 20%~80%, can make atomizing layer 22 have both preferable anti-glare effect and preferable light penetration.
Preferably, atomizing layer 22 includes multiple lenticules 221, and lenticule 221 is arranged in atomizing layer 22 away from substrate 21
Surface, so that atomizing layer 22 is in roughness away from the surface of substrate 21.In above-mentioned technical proposal, micro-structure in atomizing layer 22
There are three 221 effect is main, first is that, the light I for being used for image and showing that will be formed after the reflection of reflection subassembly 102Gathered
Collection enhances projection screen brightness, promotes yield value.Second is that by outer bound pair non-projected light incident thereon (i.e. environment light,
Such as light) it is diffused, play anti-glazing light action.Third is that atomizing layer 22 is equivalent to layer protecting film, since atomizing layer 22 is carried on the back
Surface from substrate 21 is in roughness, is not easy to form scratch thereon, not easily collecting fingerprint, and projection screen entirety can be improved
Scratch resistance antifouling effect.
Optionally, atomizing layer 22 selects resin of the transmitance greater than 85% to make to be formed.Optionally, the thickness of atomizing layer 22
Value range be more than or equal to 10 μm, and be less than or equal to 50 μm.Setting can make projection screen have higher in this way
Light penetrate effect, and on the winding of projection screen without influence.
With continued reference to Fig. 3, optionally, upright projection of the lenticule 221 on substrate 21 can be round or oval；Phase
The distance between adjacent two upright projections on base material of lenticule 221 m is greater than or equal to 0 μm, and is less than or equal to 5 μm；It is excellent
Choosing, lenticule 221 is greater than or equal to 1 μm along the height h of first direction, and is less than or equal to 10 μm；Preferably, lenticule
221 partial size r is greater than or equal to 10 μm, and is less than or equal to 100 μm.Research shows that setting can make atomizing layer 22 in this way
Have the function of preferably enhancing projection screen brightness, anti-glare and the scratch resistance antifouling effect for improving projection screen entirety.
It, can also be with it should be noted that in practice, in same atomizing layer 22, the size of each lenticule 221 can be identical
It is different.Also, in same atomizing layer 22, each lenticule 221 can be regularly arranged, can also be with irregular alignment.The application is to this
With no restriction.
Optionally, in above-mentioned technical proposal, lenticule 221 is formed using hot pressing or UV curing mode.
Based on the above technical solution, optionally, atomizing layer 22 is made of material of main part and dopant material.Its main body
Material can be Polyurethane resin, polyester resin, poly- epoxy resin, pet resin, thermoplastic poly ammonia
Ester elastomer rubber or polycarbonate etc..Its dopant material can be hardness greater than the material of 3H or the elastic material of tool.
If atomizing layer 22 includes the material that hardness is greater than 3H.So in use, the surface of atomizing layer 22 is not easy to stay
Lower scratch.
If atomizing layer 22 includes having elastic material.So in use, if being squeezed effect, atomizing layer 22
It deforms, after removing the pressure, atomizing layer 22 can restore to the original state, and improve user experience.
Optionally, the material of substrate 21 is pet resin (PET), thermoplastic polyurethane elastomer
Rubber (TPU) or polycarbonate (PC).The Thickness range of substrate 21 is greater than 25 μm, and less than 50 μm.Due to projection screen
The thickness of cloth is bigger, is more not easy to wind, and is arranged in this way on the winding of projection screen without influence.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of ultrashort out-of-focus projection's curtain, which is characterized in that shown with being directed toward by the non-display face of ultrashort out-of-focus projection's curtain
The direction in face is first direction；
Ultrashort out-of-focus projection's curtain includes the reflection subassembly being stacked along the first direction and protection component；
The reflection subassembly includes the reflecting prism being cascading along the first direction and reflecting layer；
The reflecting prism is provided with multiple reflector elements close to the side in the reflecting layer, and the section of the reflector element is three
It is angular；
There is hollow structure between the protection component and the reflection subassembly, fill air in the hollow structure.
2. ultrashort out-of-focus projection's curtain according to claim 1, which is characterized in that
The protection component surrounds the hollow structure with two reflector elements being disposed adjacent.
3. ultrashort out-of-focus projection's curtain according to claim 1 or 2, which is characterized in that further include cementing layer；
The cementing layer is located between the reflection subassembly and the protection component, by the reflector element close to the protection
The end of component and the protection component are bonded as one.
4. ultrashort out-of-focus projection's curtain according to claim 3, which is characterized in that
The cementing layer includes multiple sub- cementing layers；The different sub- cementing layers are not weighed in the upright projection protected on component
It closes；
The reflector element is bonded as one close to the end of the protection component and the protection component by each sub- cementing layer
Body；
First distance is spaced between the two neighboring sub- cementing layer, the first distance is greater than 0, and anti-less than being disposed adjacent
Unit is penetrated close to the distance between the end of the protection component.
5. ultrashort out-of-focus projection's curtain according to claim 3 or 4, which is characterized in that
The material of the cementing layer is acrylate adhesive.
6. ultrashort out-of-focus projection's curtain according to claim 1, which is characterized in that
The protection component includes the substrate and atomizing layer being stacked；The mist degree of the atomizing layer is 20%~80%；
Preferably, the atomizing layer includes multiple lenticules, and the lenticule is arranged in the atomizing layer away from the substrate
Surface.
7. ultrashort out-of-focus projection's curtain according to claim 6, which is characterized in that
The upright projection of the lenticule on the substrate is round or oval；
The distance between the upright projection of the two neighboring lenticule on the substrate be greater than or equal to 0 μm, and be less than or
Equal to 5 μm；
Preferably, the lenticule is greater than or equal to 1 μm along the height of the first direction, and is less than or equal to 10 μm；
Preferably, the partial size of the lenticule is greater than or equal to 10 μm, and is less than or equal to 100 μm.
8. ultrashort out-of-focus projection's curtain according to claim 6, which is characterized in that
The atomizing layer includes the material that hardness is greater than 3H.
9. ultrashort out-of-focus projection's curtain according to claim 6, which is characterized in that
The atomizing layer includes having elastic material.
10. ultrashort out-of-focus projection's curtain according to claim 6, which is characterized in that
The material of the substrate is pet resin, thermoplastic polyurethane elastomer rubber or poly- carbonic acid
Ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481036.0A CN109343302B (en) | 2018-12-05 | 2018-12-05 | Ultra-short focus projection curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481036.0A CN109343302B (en) | 2018-12-05 | 2018-12-05 | Ultra-short focus projection curtain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109343302A true CN109343302A (en) | 2019-02-15 |
| CN109343302B CN109343302B (en) | 2021-10-26 |
Family
ID=65320084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811481036.0A Active CN109343302B (en) | 2018-12-05 | 2018-12-05 | Ultra-short focus projection curtain |
Country Status (1)
| Country | Link |
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| CN (1) | CN109343302B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100118397A1 (en) * | 2008-11-11 | 2010-05-13 | Microvision, Inc. | Reduced Laser Speckle Projection Screen |
| CN206115132U (en) * | 2016-08-19 | 2017-04-19 | 简铭镇 | Ultrashort burnt projection curtain |
| CN106842800A (en) * | 2017-01-13 | 2017-06-13 | 简铭镇 | A kind of ultrashort burnt anti-light projection screen |
| CN106918983A (en) * | 2015-12-24 | 2017-07-04 | 中强光电股份有限公司 | Projection screen |
-
2018
- 2018-12-05 CN CN201811481036.0A patent/CN109343302B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100118397A1 (en) * | 2008-11-11 | 2010-05-13 | Microvision, Inc. | Reduced Laser Speckle Projection Screen |
| CN106918983A (en) * | 2015-12-24 | 2017-07-04 | 中强光电股份有限公司 | Projection screen |
| CN206115132U (en) * | 2016-08-19 | 2017-04-19 | 简铭镇 | Ultrashort burnt projection curtain |
| CN106842800A (en) * | 2017-01-13 | 2017-06-13 | 简铭镇 | A kind of ultrashort burnt anti-light projection screen |
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| Publication number | Publication date |
|---|---|
| CN109343302B (en) | 2021-10-26 |
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