CN106338878A - Short-focus positive-projection display screen - Google Patents
Short-focus positive-projection display screen Download PDFInfo
- Publication number
- CN106338878A CN106338878A CN201611007838.9A CN201611007838A CN106338878A CN 106338878 A CN106338878 A CN 106338878A CN 201611007838 A CN201611007838 A CN 201611007838A CN 106338878 A CN106338878 A CN 106338878A
- Authority
- CN
- China
- Prior art keywords
- layer
- display screen
- scialyscope
- projection display
- short focus
- 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
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
- G03B21/602—Lenticular screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The invention, which relates to the projection and display field, discloses a short-focus positive-projection display screen. Therefore, problems that selection of environment light can not be realized because of a scattering imaging way employed by the positive-projection screen and the contrast ratio of the projection display and the display effect are reduced when the environment light becomes bright in the prior art can be solved. The provided short-focus positive-projection display screen comprises a hardened anti-reflective layer, a coloring diffusion layer, a Finel lens layer and a reflective layer successively from outside to inside by using one side approaching a projector as the outer side; and the light surface of the Finel lens layer faces one side of the projector. The display screen is suitable for projection and displaying.
Description
Technical field
The present invention relates to field of projection display, particularly to a kind of short focus orthographic projection display screen, the cooperation of this screen is short
Focal length projection machine uses, and collectively constitutes projection display system with scialyscope.
Background technology
Existing front projection screen, mostly using scattering by the way of, by different materials (mould in vain, bead or metal coating
Deng) produce scattering luminous energy is redistributed, be converted into an area source and be imaged.The mode being scattering into picture is to environment
Light does not have selectivity, and ambient light is very big on Projection Display impact, and when ambient light is brighter, the contrast of Projection Display is lower,
Display effect is poorer, leads to Projection Display cannot meet the needs of average family living-room TV viewing.
Content of the invention
The technical problem to be solved is: proposes a kind of short focus orthographic projection display screen, solves conventional art
What middle front projection screen was existed by the way of being scattering into picture does not have selectivity to ambient light, and when ambient light is brighter, projection is aobvious
The contrast shown is lower, the poorer problem of display effect.
The technical solution adopted for the present invention to solve the technical problems is:
Short focus orthographic projection display screen, near scialyscope side is outer, by outside to inside successively comprise harden counnter attack
Layer, coloring diffusion layer, Fresnel Lenses layer and reflecting layer, the bright finish of Fresnel Lenses layer is towards scialyscope side.
As optimizing further, described display screen also includes the support protective layer behind reflecting layer, and described support is protected
Sheath is used for protecting reflecting layer, prevents reflecting layer to be scratched it is possible to be provided a supporting role according to use demand.
As optimizing further, the integral thickness of described display screen is between 0.15mm to 2.0mm.
As optimizing further, described hardening counnter attack layer is made up of the high permeability resin material that transmitance is more than 85%,
Thickness, between 0.05mm-0.5mm, is hardened and anti-inverse processing near the one side of scialyscope to it, or material is had in itself
High rigidity and anti-reflection function are so that the surface hardness near scialyscope is more than or equal to h, and can prevent external environmental light in screen
Surface produces direct reflection.
As optimizing further, described coloring diffusion layer is uniformly added by the high permeability resin material that transmitance is more than 85%
Plus pigment and diffusion particle make, thickness is between 0.05mm-1.2mm；
Described pigment is organic pigment or inorganic pigment, and pigment addition is between 0.01%wt-10%wt；Described diffusion
Particle is organic diffusion particle or inorganic diffusion particle, and the addition of diffusion particle is between 0.01%wt-10%wt.
As optimizing further, described Fresnel Lenses layer is to be intercepted from the one of Fresnel Lenses by off-axis interception way
Part, does not comprise the center of Fresnel Lenses, and described Fresnel Lenses is more than 85% high permeability resinous wood by transmitance
Material is made, and, between 0.01mm-0.2mm, ring is away between 0.02mm-0.3mm for thickness.
As optimizing further, the annulus work surface of described Fresnel Lenses layer is remote with the angle edge of Fresnel Lenses bright finish
It is in be gradually increased trend from the direction of scialyscope, concrete angle is each by scialyscope parameter and described short focus orthographic projection display screen
The refractive index of layer material determines so that after the incident illumination reflected layer reflection of scialyscope difference angle, concentrating with normal to screen
Direction is parallel or less parallel projects.
As optimizing further, the annulus work surface of described Fresnel Lenses layer can be cambered surface, makes scialyscope incident illumination
Line incides every bit in cambered surface all by reflected in parallel；Or adopt plane, make scialyscope incident ray anti-by less parallel
Penetrate.
As optimizing further, described reflecting layer is made up of metal material, and thickness is between 0.01 μm of -0.2mm.
As optimizing further, described short focus front projection screen, each functional layer index of refraction relationship is as follows: hardening counnter attack layer
< < Fresnel Lenses layer, that is, along away from scialyscope direction, layers of material refractive index increases coloring diffusion layer successively.
The invention has the beneficial effects as follows:
Scialyscope incident illumination can be concentrated be reflected into and be projected with the parallel of normal to screen or less parallel light, and to other
The ambient incident light in direction has Absorption, thus having reached the high brightness of Projection Display, high-contrast shows, and coordinates short
Focal length projection machine forms projection display system, and scialyscope and beholder are in the same side of screen, and scialyscope is less than 1 apart from screen
Rice, scialyscope can be placed in average family TV bench, install simple, save space, so that Projection Display is disclosure satisfy that commonly
The needs of family's living-room TV viewing.
Brief description
Fig. 1 is the illustrative view of functional configuration of short focus orthographic projection display screen in the embodiment of the present invention；
Fig. 2 is interception position schematic diagram on Fresnel Lenses for the Fresnel Lenses layer of the present invention；
Fig. 3 is the schematic perspective view of Fresnel Lenses layer of the present invention.
Fig. 4 is the light path schematic diagram of short focus orthographic projection display screen of the present invention.
Fig. 5 is Fresnel Lenses taper roller schematic diagram of the present invention.
Specific embodiment
It is contemplated that proposing a kind of short focus orthographic projection display screen, in solution conventional art, front projection screen is using scattered
That penetrates that the mode of imaging exists does not have selectivity to ambient light, and when ambient light is brighter, the contrast of Projection Display is lower, display
The poorer problem of effect.
Below in conjunction with the accompanying drawings and the embodiment description detailed to the solution of the present invention:
As shown in figure 1, the short focus orthographic projection display screen in the present embodiment is to be outer near scialyscope side, by outer
Comprise harden counnter attack layer, coloring diffusion layer, Fresnel Lenses layer, reflecting layer and support protective layer to inner successively.Fresnel Lenses
Bright finish towards scialyscope side, 5 one functional layer are combined into an entirety, the integral thickness of screen 0.15mm to 2.0mm it
Between.
Described hardening counnter attack layer makes (such as pet, pmma, pc etc. by the high permeability resin material that transmitance is more than 85%
Material), thickness is between 0.05mm-0.5mm.One side near scialyscope is hardened and anti-inverse processing, or material tool itself
There are high rigidity and anti-reflection function so that the surface hardness near scialyscope is more than or equal to h, and external environmental light can be prevented in screen
Scene plot face produces direct reflection.
Described coloring diffusion layer is more than 85% high permeability resin material (such as pet, the material such as pmma, pc) by transmitance
Uniformly add pigment and diffusion particle is made, thickness is between 0.05mm-1.2mm.On implementing, first by high permeability
Resin material solvent is tuned into liquid glue, and the uniformly pigment of mixing proper proportion and diffusion particle, and coloring diffusion layer can be used
Liquid glue is directly made it is also possible to pass through thoroughly after individually making diaphragm away from the coated on one side drying of scialyscope in hardening counnter attack layer
Gelatin water is laminating away from the one side of scialyscope with hardening counnter attack layer again.
Described pigment can be organic pigment or inorganic pigment, makes described short focus by the pigment adding
Front projection screen assumes grey black, and Projection Display contrast can be greatly improved, pigment addition 0.01%wt-10%wt it
Between.Described diffusion particle can be organic diffusion particle or inorganic diffusion particle, is made by the diffusion particle adding
Short focus front projection screen has good brightness uniformity and viewing visual angle, and the addition of diffusion particle is in 0.01%wt-
Between 10%wt.
Additionally, hardening counnter attack layer can also pass through extrusion molding of double-layer coextrusion technique with coloring diffusion layer, further according to
Need to do cure process in the one side near scialyscope.
Described Fresnel Lenses layer intercepts the part from Fresnel Lenses, and intercepts for off-axis, does not comprise Fresnel
The center of lens, as shown in Figure 2.Described Fresnel Lenses is made up of the high permeability resin material that transmitance is more than 85%, thick
Degree between 0.01mm-0.2mm, ring away between 0.02mm-0.3mm, as shown in Figure 3.
Described Fresnel Lenses layer, the angle of annulus work surface and Fresnel Lenses bright finish along the direction away from scialyscope is in
It is gradually increased trend.
Concrete angle is shown by scialyscope parameter (determining the relative position with screen for the scialyscope) and described short focus orthographic projection
The refractive index of display screen curtain layers of material determines so that after the incident illumination reflected layer reflection of scialyscope difference angle, concentrating to hang down
The straight direction in screen is parallel or less parallel projects, and the brightness of Projection Display is greatly improved so that brightness through screen reflection
Reach 0.8-2.0 with respect to the gain of scialyscope incident illumination.
The annulus work surface of described Fresnel Lenses layer can be cambered surface, so that scialyscope incident ray is incided in cambered surface
Every bit is all by reflected in parallel；Plane can also be adopted, so that scialyscope incident ray is reflected by less parallel.
On implementing, Fresnel Lenses can be made using high transmission optical resin or heat reactive resin, is first coated with wet
Film, then be molded by mould, finally by curing molding.Specifically comprise the following steps that
1) it is coated with wet film: can be in the coloring diffusion layer surface coated optical resin made or heat cure tree
Fat or be coated with other media and complete to cover with coloring diffusion layer again by transparent glue after Fresnel Lenses layer
Close.Wet film can do semi-solid preparation according to the solidification of optical resin and demolding performace and process.
2) it is molded: first Phenanthrine mould is processed according to the design precision machine tool of Fresnel Lenses.Phenanthrine mould is permissible
It is flat plate mold；Fresnel structure can also be processed in cone roller using taper die as shown in Figure 5, then with taper roller
Small end is the center of circle, and the length of taper roller is radius, rolls in the media substrate be coated with optical resin.
3) curing molding: the coating wet film after molding is irradiated with ultraviolet or heating carries out curing molding.
Described reflecting layer is made up of metal material, can be made by techniques such as printing, spraying, coating or evaporations, thickness exists
Between 0.01 μm of -0.2mm, there is high visible reflectance, for reflective projector incident illumination.
The described function of supporting protective layer to play protection reflecting layer and increase screen intensity, can be in the way of laminating using glue
It is produced on reflection layer surface.According to actually used demand, support protective layer can be made it is also possible to not make support protective layer.
Each functional layer index of refraction relationship of described short focus orthographic projection display screen is as follows: < the coloring diffusion of hardening counnter attack layer
Layer < Fresnel Lenses layer, along away from scialyscope direction, layers of material refractive index increases successively, to non-scialyscope incident direction its
The incident illumination in his direction, after the reflection of reflected layer, reaches Fresnel Lenses layer and coloring diffusion layer, coloring diffusion layer and hardening
Have, when counnter attack layer, hardening counnter attack layer and Air Interface, the probability producing total reflection, show as to non-scialyscope incidence light direction
The incident illumination in other directions has different degrees of Absorption, and the bright room contrast of display, index path such as Fig. 4 institute are greatly improved
Show it can be seen that the short focus front projection screen in the present invention can be concentrated scialyscope incident illumination and be reflected into normal to screen
Parallel or less parallel light project, and have Absorption to the ambient incident light in other directions, thus having reached Projection Display
High brightness, high-contrast shows.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For member, the present invention can have various modifications and variations, all any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of short focus orthographic projection display screen it is characterised in that
With near scialyscope side is outer, by outside to inside successively comprise harden counnter attack layer, coloring diffusion layer, Fresnel Lenses layer
And reflecting layer, the bright finish of Fresnel Lenses layer is towards scialyscope side.
2. as claimed in claim 1 a kind of short focus orthographic projection display screen it is characterised in that
Described display screen also includes the support protective layer behind reflecting layer, described support protective layer used in protection reflecting layer,
Reflecting layer is prevented to be scratched it is possible to be provided a supporting role according to use demand.
3. as claimed in claim 2 a kind of short focus orthographic projection display screen it is characterised in that
The integral thickness of described display screen is between 0.15mm to 2.0mm.
4. as claimed in claim 1 a kind of short focus orthographic projection display screen it is characterised in that
Described hardening counnter attack layer by transmitance be more than 85% high permeability resin material make, thickness 0.05mm-0.5mm it
Between, it is hardened and anti-inverse processing near the one side of scialyscope, or material there is high rigidity and anti-reflection function in itself so that
A surface hardness near scialyscope is more than or equal to h, and can prevent external environmental light from producing direct reflection in screen surface.
5. as claimed in claim 1 a kind of short focus orthographic projection display screen it is characterised in that
Described coloring diffusion layer uniformly adds pigment and diffusion particle system by the high permeability resin material that transmitance is more than 85%
Become, thickness is between 0.05mm-1.2mm；
Described pigment is organic pigment or inorganic pigment, and pigment addition is between 0.01%wt-10%wt；Described diffusion particle
For organic diffusion particle or inorganic diffusion particle, the addition of diffusion particle is between 0.01%wt-10%wt.
6. as claimed in claim 1 a kind of short focus orthographic projection display screen it is characterised in that
Described Fresnel Lenses layer is from a part for Fresnel Lenses by the intercepting of off-axis interception way, does not comprise Fresnel
The center of lens, described Fresnel Lenses is made up of the high permeability resin material that transmitance is more than 85%, and thickness is in 0.01mm-
Between 0.2mm, ring is away between 0.02mm-0.3mm.
7. as claimed in claim 6 a kind of short focus orthographic projection display screen it is characterised in that
The angle of the annulus work surface of described Fresnel Lenses layer and Fresnel Lenses bright finish along the direction away from scialyscope be in by
Cumulative main trend, concrete angle is determined by the refractive index of scialyscope parameter and described short focus orthographic projection display screen layers of material
Determine so that after the incident illumination reflected layer reflection of scialyscope difference angle, concentrating parallel or approximate with the direction of normal to screen
Parallel injection.
8. as claimed in claim 7 a kind of short focus orthographic projection display screen it is characterised in that
The annulus work surface of described Fresnel Lenses layer can be cambered surface, so that scialyscope incident ray is incided each in cambered surface
Point is all by reflected in parallel；Or adopt plane, so that scialyscope incident ray is reflected by less parallel.
9. as claimed in claim 1 a kind of short focus orthographic projection display screen it is characterised in that
Described reflecting layer is made up of metal material, and thickness is between 0.01 μm of -0.2mm.
10. a kind of short focus orthographic projection display screen as described in claim 1-9 any one it is characterised in that
Described short focus front projection screen, each functional layer index of refraction relationship is as follows: hardening counnter attack layer < coloring diffusion layer < Fresnel
Lens jacket, that is, along away from scialyscope direction, layers of material refractive index increases successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007838.9A CN106338878A (en) | 2016-11-16 | 2016-11-16 | Short-focus positive-projection display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007838.9A CN106338878A (en) | 2016-11-16 | 2016-11-16 | Short-focus positive-projection display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106338878A true CN106338878A (en) | 2017-01-18 |
Family
ID=57841330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611007838.9A Pending CN106338878A (en) | 2016-11-16 | 2016-11-16 | Short-focus positive-projection display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106338878A (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106990665A (en) * | 2017-05-24 | 2017-07-28 | 成都菲斯特科技有限公司 | A kind of short distance projection screen being made up of eight kinds of difference in functionality materials and preparation method thereof |
| CN107102508A (en) * | 2017-07-10 | 2017-08-29 | 成都恒坤光显材料科技有限公司 | A kind of ultra-wide angle short focus front projection screen |
| CN107908068A (en) * | 2017-12-28 | 2018-04-13 | 成都恒坤光显材料科技有限公司 | A kind of controllable front projection screen in horizontal view angle |
| CN108345165A (en) * | 2017-01-21 | 2018-07-31 | 深圳市三铭科技有限公司 | The hard screen of the ultrashort burnt optics of Rimless |
| CN108490727A (en) * | 2018-06-07 | 2018-09-04 | 成都恒坤光显材料科技有限公司 | A kind of front projection screen that novel visual angle is controllable |
| CN108490728A (en) * | 2018-06-07 | 2018-09-04 | 成都恒坤光显材料科技有限公司 | A kind of front projection screen that visual angle is controllable |
| CN108897185A (en) * | 2018-06-19 | 2018-11-27 | 东莞市钜欣电子有限公司 | A kind of processing technology of infrared flare lampshade |
| CN109375467A (en) * | 2018-12-05 | 2019-02-22 | 张家港康得新光电材料有限公司 | Ultrashort out-of-focus projection's curtain |
| CN109426062A (en) * | 2017-09-01 | 2019-03-05 | 四川长虹电器股份有限公司 | A kind of short focus orthographic projection shows screen and preparation method thereof |
| CN109426061A (en) * | 2017-09-01 | 2019-03-05 | 四川长虹电器股份有限公司 | A kind of short focus orthographic projection shows screen and preparation method thereof |
| CN109960101A (en) * | 2017-12-25 | 2019-07-02 | 冯超 | A kind of high definition screen |
| CN110262178A (en) * | 2019-07-22 | 2019-09-20 | 顾亮 | A kind of arc reflection curtain for ultrashort burnt orthographic projection |
| CN110750029A (en) * | 2018-07-06 | 2020-02-04 | 深圳光峰科技股份有限公司 | Projection screen |
| CN110908235A (en) * | 2019-12-21 | 2020-03-24 | 成都菲斯特科技有限公司 | Projection screen and projection system |
| CN111338172A (en) * | 2018-12-19 | 2020-06-26 | 青岛海信激光显示股份有限公司 | Projection screen |
| CN112904660A (en) * | 2021-02-01 | 2021-06-04 | 四川长虹电器股份有限公司 | High-gain wide-viewing-angle ultra-short-focus laser projection screen structure |
| CN114995041A (en) * | 2022-05-26 | 2022-09-02 | 成都菲斯特科技有限公司 | Projection screen and projection system |
| CN115343909A (en) * | 2022-08-25 | 2022-11-15 | 青岛海信激光显示股份有限公司 | Projection screen and projection equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954260A (en) * | 2005-02-02 | 2007-04-25 | 大日本印刷株式会社 | Reflective screen, method for manufacturing the same, and reflective projection system |
| CN203786458U (en) * | 2014-04-21 | 2014-08-20 | 刘文华 | Self-cleaning laser orthographic projection screen |
| CN104777708A (en) * | 2014-01-15 | 2015-07-15 | Lg电子株式会社 | Reflective screen, display having the same and method for manufacturing reflective screen |
| CN106019796A (en) * | 2016-08-10 | 2016-10-12 | 海信集团有限公司 | Projection screen, large-size spliced screen and projection system |
-
2016
- 2016-11-16 CN CN201611007838.9A patent/CN106338878A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1954260A (en) * | 2005-02-02 | 2007-04-25 | 大日本印刷株式会社 | Reflective screen, method for manufacturing the same, and reflective projection system |
| CN104777708A (en) * | 2014-01-15 | 2015-07-15 | Lg电子株式会社 | Reflective screen, display having the same and method for manufacturing reflective screen |
| CN203786458U (en) * | 2014-04-21 | 2014-08-20 | 刘文华 | Self-cleaning laser orthographic projection screen |
| CN106019796A (en) * | 2016-08-10 | 2016-10-12 | 海信集团有限公司 | Projection screen, large-size spliced screen and projection system |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108345165A (en) * | 2017-01-21 | 2018-07-31 | 深圳市三铭科技有限公司 | The hard screen of the ultrashort burnt optics of Rimless |
| CN106990665A (en) * | 2017-05-24 | 2017-07-28 | 成都菲斯特科技有限公司 | A kind of short distance projection screen being made up of eight kinds of difference in functionality materials and preparation method thereof |
| CN106990665B (en) * | 2017-05-24 | 2022-08-19 | 成都菲斯特科技有限公司 | Short-distance projection screen composed of eight different functional materials and manufacturing method thereof |
| CN107102508A (en) * | 2017-07-10 | 2017-08-29 | 成都恒坤光显材料科技有限公司 | A kind of ultra-wide angle short focus front projection screen |
| CN109426061A (en) * | 2017-09-01 | 2019-03-05 | 四川长虹电器股份有限公司 | A kind of short focus orthographic projection shows screen and preparation method thereof |
| CN109426062A (en) * | 2017-09-01 | 2019-03-05 | 四川长虹电器股份有限公司 | A kind of short focus orthographic projection shows screen and preparation method thereof |
| CN109960101A (en) * | 2017-12-25 | 2019-07-02 | 冯超 | A kind of high definition screen |
| CN107908068A (en) * | 2017-12-28 | 2018-04-13 | 成都恒坤光显材料科技有限公司 | A kind of controllable front projection screen in horizontal view angle |
| CN107908068B (en) * | 2017-12-28 | 2023-05-26 | 成都恒坤光显材料科技有限公司 | Front projection screen with controllable horizontal viewing angle |
| CN108490728A (en) * | 2018-06-07 | 2018-09-04 | 成都恒坤光显材料科技有限公司 | A kind of front projection screen that visual angle is controllable |
| CN108490727A (en) * | 2018-06-07 | 2018-09-04 | 成都恒坤光显材料科技有限公司 | A kind of front projection screen that novel visual angle is controllable |
| CN108897185A (en) * | 2018-06-19 | 2018-11-27 | 东莞市钜欣电子有限公司 | A kind of processing technology of infrared flare lampshade |
| CN110750029A (en) * | 2018-07-06 | 2020-02-04 | 深圳光峰科技股份有限公司 | Projection screen |
| CN109375467A (en) * | 2018-12-05 | 2019-02-22 | 张家港康得新光电材料有限公司 | Ultrashort out-of-focus projection's curtain |
| CN111338172A (en) * | 2018-12-19 | 2020-06-26 | 青岛海信激光显示股份有限公司 | Projection screen |
| CN111338172B (en) * | 2018-12-19 | 2022-09-13 | 青岛海信激光显示股份有限公司 | Projection screen |
| CN110262178A (en) * | 2019-07-22 | 2019-09-20 | 顾亮 | A kind of arc reflection curtain for ultrashort burnt orthographic projection |
| CN110908235A (en) * | 2019-12-21 | 2020-03-24 | 成都菲斯特科技有限公司 | Projection screen and projection system |
| CN112904660A (en) * | 2021-02-01 | 2021-06-04 | 四川长虹电器股份有限公司 | High-gain wide-viewing-angle ultra-short-focus laser projection screen structure |
| CN114995041A (en) * | 2022-05-26 | 2022-09-02 | 成都菲斯特科技有限公司 | Projection screen and projection system |
| CN115343909A (en) * | 2022-08-25 | 2022-11-15 | 青岛海信激光显示股份有限公司 | Projection screen and projection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106338878A (en) | Short-focus positive-projection display screen | |
| EP3550360B1 (en) | Projection screen and manufacturing method therefor | |
| CN105408777A (en) | Reflection screen, reflection-screen production method, screen housing, and video display system | |
| US9720312B2 (en) | Projection screen and manufacturing method of projection screen | |
| CN107908068B (en) | Front projection screen with controllable horizontal viewing angle | |
| CN110412825B (en) | Projection screen and projection system | |
| CN105045027B (en) | Front projection type virtual image display method and display system | |
| CN205176476U (en) | Optical projection curtain of anti environment light | |
| JP2015060193A (en) | Reflection type screen, and video display system | |
| JP2006065266A (en) | Reflection screen, reflection projection system, and method of manufacturing reflection screen | |
| JP2012252057A (en) | Reflection screen and image display system | |
| JP6492597B2 (en) | Reflective screen, video display system | |
| JP2016024227A (en) | Reflection screen, image display system, and method for manufacturing reflection screen | |
| JP6398450B2 (en) | Reflective screen, video display system | |
| JP2015068943A (en) | Reflection screen, manufacturing method of the same, and video display system | |
| CN109426061A (en) | A kind of short focus orthographic projection shows screen and preparation method thereof | |
| CN110554559B (en) | Fresnel screen | |
| CN206147236U (en) | Anti -dazzling screen and imaging lens group | |
| JP2012252049A (en) | Reflection screen | |
| JP2013195914A (en) | Reflection screen and video display device | |
| JP2014077883A (en) | Reflection screen, video display system | |
| JP2016151649A (en) | Reflection screen and video display system | |
| CN109426062A (en) | A kind of short focus orthographic projection shows screen and preparation method thereof | |
| TW201935126A (en) | Video projection system | |
| JP6510798B2 (en) | Reflective screen, image display system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |