CN109426061A - A kind of short focus orthographic projection shows screen and preparation method thereof - Google Patents
A kind of short focus orthographic projection shows screen and preparation method thereof Download PDFInfo
- Publication number
- CN109426061A CN109426061A CN201710781080.2A CN201710781080A CN109426061A CN 109426061 A CN109426061 A CN 109426061A CN 201710781080 A CN201710781080 A CN 201710781080A CN 109426061 A CN109426061 A CN 109426061A
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- Prior art keywords
- screen
- short focus
- layer
- orthographic projection
- projector
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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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
A kind of short focus orthographic projection display screen, it is characterized in that, to be outer close to projector side, by outside to inside successively including complex functional layer, Fresnel Lenses layer and reflecting layer, the smooth surface of Fresnel Lenses layer is towards projector side, each layer index of refraction relationship is as follows: complex functional layer < Fresnel Lenses layer, i.e., along far from projector direction, layers of material refractive index is sequentially increased.A kind of production method that short focus orthographic projection shows screen is also disclosed in the present invention simultaneously, reach environment light on projection brightness and contrast without influence in the case where, greatly reduce the thickness of projection display screen, increase aesthetics, the cost of raw material is greatly saved simultaneously, Projection Display is made to can satisfy the needs of average family living-room TV viewing.
Description
Technical field
The present invention relates to field of projection display, in particular to a kind of short focus orthographic projection shows screen and preparation method thereof,
The screen cooperates short focus projector to use, and collectively constitutes projection display system with projector.
Background technique
Existing front projection screen mostly uses greatly the mode of scattering, passes through different materials (white modeling, bead or metal coating
Deng) generate scattering luminous energy is redistributed, it is converted into an area source and is imaged.For the side for overcoming scattering to be imaged
Formula is to environment light without selectivity, and when environment light is brighter, the contrast of Projection Display is lower, the poorer defect of display effect,
The prior art generally uses multiple functions layer, be close to projector side it is outer, by outside to inside successively comprising harden counnter attack layer,
Color diffusion layer, Fresnel Lenses layer and reflecting layer, such multiple function layers combination, thickness is thicker, influences beauty, cost of material
It is very expensive.Projection Display is caused to be unable to satisfy the needs of average family living-room TV viewing.
Summary of the invention
The technical problem to be solved by the present invention is to propose that a kind of short focus orthographic projection shows screen, solve the prior art
Laser orthographic projection shows that screen is thicker, unsightly and the high problem of cost.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of short focus orthographic projection display screen, which is characterized in that outside being close to projector side, by outside to inside successively wrapping
Containing complex functional layer, Fresnel Lenses layer and reflecting layer, the smooth surface of Fresnel Lenses layer is towards projector side.
It advanced optimizes, each layer index of refraction relationship is as follows: complex functional layer < Fresnel Lenses layer, i.e., along far from projection
Machine direction, layers of material refractive index are sequentially increased.
It advanced optimizes, the integral thickness 0.10mm-2.0mm of the display screen.
It advanced optimizes, the complex functional layer includes the resin material of 85% transmitance, uniformly adds pigment
And diffusion particle is made, thickness 0.05mm-1.8mm, to its close to projector carry out on one side hardening and anti-inverse processing, or
Material itself has high rigidity and anti-reflection function, so that the surface hardness close to projector is greater than or equal to H, and can prevent the external world
Environment light generates mirror-reflection in screen surface.
Advanced optimize, the pigment be organic pigment or inorganic pigment, pigment additive amount 0.01%wt-10%wt,
Make the short focus front projection screen that grey black be presented；The diffusion particle is organic diffusion particle or inorganic diffusion grain
Son, the additive amount 0.01%wt-10%wt of diffusion particle.
It advanced optimizes, the pigment additive amount 0.02%wt-6%wt, the diffusion particle additive amount
0.02%wt-6%wt。
It advanced optimizes, the Fresnel Lenses layer is to be intercepted by off-axis interception way from Fresnel Lenses
A part, high transmittance resin material, additive of the Fresnel Lenses by transmitance greater than 85% are made, thickness
0.01mm-0.2mm, ring is away from 0.02mm-0.3mm.
It advanced optimizes, the annulus working face of the Fresnel Lenses layer and the angle of Fresnel Lenses smooth surface are along separate
The direction of projector shows each layer of screen by projector's parameter and the short focus orthographic projection in the trend that is gradually increased, specific angle
The refractive index of material determines, so that the incident light of projector's different angle after reflecting layer is reflected, is concentrated with normal to screen
Direction is parallel or less parallel projects.
It advanced optimizes, the annulus working face of the Fresnel Lenses layer can be cambered surface, make projector's incident ray
The every bit in cambered surface is incident on by reflected in parallel；Or plane is used, reflect projector's incident ray by less parallel.
It advanced optimizes, the reflecting layer is made of metal material, and thickness is between 0.01 μm of -0.2mm.
It advanced optimizes, the metal is aluminium, silver, chromium.
A kind of short focus orthographic projection display screen screen making method described in one, it is characterised in that the following steps are included:
Step 1: Mold Making
Phenanthrine mould is first processed according to the design of Fresnel Lenses precision machine tool.Phenanthrine mould can be flat
Board mold；Taper die as shown in Figure 5 can also be used, Fresnel structure is processed in cone roller；
Step 2: complex functional layer
Pigment and diffusion particle and other necessary additive systems are uniformly added greater than 85% high transmittance resin material by transmitance
At carry out on one side hardening and anti-inverse processing or material itself close to projector have high rigidity and anti-reflection function, so that close
One surface hardness of projector is greater than or equal to H, and can prevent external environmental light from generating mirror-reflection in screen surface；
Step 3: coating wet film:
The complex function layer surface coated optical photosensitive resin or heat reactive resin made in step 2；Or 85%
High transmittance resin film layer on be coated with and complete Fresnel Lenses layer after, covered again with complex functional layer by transparent glue
It closes.Wet film can do semi-solid preparation processing according to the solidification and demolding performace of optics photosensitive resin；
Step 4: molding
Use taper die using cone roller small end as the center of circle, the length of cone roller is radius, on the coating wet film in the step 3
Rolling；Or it is directly molded on the coating wet film in the step 3 using flat plate mold.
Step 5: curing molding
Coating wet film after molding is irradiated or heated with ultraviolet light and carries out curing molding；
Step 6: the reflecting layer to be fabricated into the coating of curing molding in step 5 by printing, spraying, coating or evaporation process
On wet film, the reflecting layer is made of metal material, and thickness has high visible reflectivity between 0.01 μm of -0.2mm, is used
In reflective projector incident light.
It advanced optimizes, each functional layer index of refraction relationship is as follows: complex functional layer < Fresnel Lenses layer, i.e.,
Along far from projector direction, layers of material refractive index is sequentially increased.
It advanced optimizes, metal described in step 6 is aluminium, silver, chromium.
It advanced optimizes, it is described Step 2: high transmittance resin is PET, PMMA, PC etc. in step 3.
It advanced optimizes, pigment described in the step 2 is organic pigment or inorganic pigment, pigment additive amount 0.01%
Wt-10%wt makes the short focus front projection screen that grey black be presented；The diffusion particle is organic diffusion particle or inorganic
Diffusion particle, the additive amount 0.01%wt-10%wt of diffusion particle.
It advanced optimizes, pigment additive amount 0.02%wt-6%wt described in the step 2, the diffusion particle
Additive amount 0.02%wt-6%wt.
The beneficial effects of the present invention are:
1, projector's incident light can be concentrated and is reflected into go out with the parallel or less parallel light emission of normal to screen, and to its other party
To ambient incident light have absorption, thus reached the high brightness of Projection Display, high contrast is shown, and cooperate short focus
Projection display system is formed away from projector, projector and viewer are in the same side of screen, and projector is apart from screen less than 1
Rice, projector can be placed in average family cabinet for TV, and installation is simple, saved space, be can satisfy Projection Display commonly
The needs of family's living-room TV viewing；
2, reach environment light on projection brightness and contrast without influence in the case where, greatly reduce the thickness of projection display screen
Degree, increases aesthetics, while the cost of raw material is greatly saved, and Projection Display is made to can satisfy the sight of average family living-room TV
The needs seen.
Detailed description of the invention
Fig. 1 is the illustrative view of functional configuration that short focus orthographic projection shows screen in the embodiment of the present invention；
Fig. 2 is interception position schematic diagram of the Fresnel Lenses layer of the present invention on Fresnel Lenses；
Fig. 3 is the stereoscopic schematic diagram of Fresnel Lenses layer of the present invention.
Fig. 4 is the light path schematic diagram that short focus orthographic projection of the present invention shows screen.
Fig. 5 is Fresnel Lenses taper roller schematic diagram of the present invention.
Specific embodiment
The present invention is directed to propose a kind of short focus orthographic projection shows screen, solve in the prior art to overcome environment light pair
Show the influence of screen brightness and contrast, display screen thickness is thicker, influences beauty, and cost of material is also very expensive, throws
Shadow, which is shown, is unable to satisfy the problems such as needs of average family living-room TV viewing.
With reference to the accompanying drawings and embodiments to the detailed description of the solution of the present invention:
As shown in Figure 1, short focus orthographic projection in the present embodiment show screen with close to projector side be outside,
By outside to inside successively including complex functional layer, Fresnel Lenses layer and reflecting layer.The smooth surface of Fresnel Lenses is towards projection
Machine side, 3 one functional layers are combined into an entirety, and the integral thickness of screen is in 0.10mm between 2.0mm.
The complex functional layer is greater than 85% high transmittance resin material (materials such as such as PET, PMMA, PC) by transmitance
Uniformly addition pigment and diffusion particle are made, and thickness is between 0.05mm-1.8mm.Close to projector carry out on one side hardening and
Anti- inverse processing or material itself have high rigidity and anti-reflection function, so that the surface hardness close to projector is greater than or equal to H,
And it can prevent external environmental light from generating mirror-reflection in screen surface.
The pigment can be organic pigment, or inorganic pigment makes the short focus by the pigment of addition
Grey black is presented in front projection screen, can greatly improve Projection Display contrast, pigment additive amount 0.01%wt-10%wt it
Between, effect is preferably 0.02%wt-6%wt.The diffusion particle can be organic diffusion particle, or inorganic diffusion grain
Son makes short focus front projection screen have good brightness uniformity and viewing visual angle, diffusion by the diffusion particle of addition
For the additive amount of particle between 0.01%wt-10%wt, effect is preferably 0.02%wt-6%wt.
The Fresnel Lenses layer intercepts a part from Fresnel Lenses, and intercepts for off-axis, that is, does not include Fresnel
The center of lens, as shown in Figure 2.High transmittance resin material of the Fresnel Lenses by transmitance greater than 85% is made, thickness
Between 0.01mm-0.2mm, ring is away between 0.02mm-0.3mm, as shown in Figure 3.
The annulus working face of the Fresnel Lenses layer and the angle of Fresnel Lenses smooth surface are along the direction far from projector
In the trend that is gradually increased, specific angle is by projector's parameter (determining relative position of the projector with screen) and the short focus is just
The refractive index of projection display screen layers of material determines, so that the incident light of projector's different angle after reflecting layer is reflected, collects
In it is parallel with the direction of normal to screen or less parallel projects, greatly improve the brightness of Projection Display.
The annulus working face of the Fresnel Lenses layer can be cambered surface, be incident on projector's incident ray in cambered surface
Every bit is by reflected in parallel；Or plane is used, reflect projector's incident ray by less parallel.
The reflecting layer is made of metal material, and especially metal is aluminium, silver, chromium.Thickness is between 0.01 μm of -0.2mm
Step 1: Mold Making
Phenanthrine mould is first processed according to the design of Fresnel Lenses precision machine tool.Phenanthrine mould can be flat
Board mold；Taper die as shown in Figure 5 can also be used, Fresnel structure is processed in cone roller；
Step 2: complex functional layer
Pigment and diffusion particle and other necessary additive systems are uniformly added greater than 85% high transmittance resin material by transmitance
At wherein high resin material is PET, PMMA, PC, carries out hardening and anti-inverse processing or material itself on one side close to projector
With high rigidity and anti-reflection function, so that the surface hardness close to projector is greater than or equal to H, and it can prevent external environmental light from existing
Screen surface generates mirror-reflection；The wherein additive amount 0.01%wt-10%wt of pigment or diffusion particle, effect is preferably
0.02%wt-6%wt
Step 3: coating wet film:
In the complex function layer surface coated optical photosensitive resin or heat reactive resin that step 2 kind has been made；
Or on 85% high transmittance resin film layer, such as PET, after being coated on PMMA, PC and complete Fresnel Lenses layer, lead to
It is laminating with complex functional layer again to cross transparent glue.Wet film can do semi-solid preparation according to the solidification and demolding performace of optics photosensitive resin
Processing；
Step 4: molding
Use taper die using cone roller small end as the center of circle, the length of cone roller is radius, on the coating wet film in the step 3
Rolling；Or it is directly molded on the coating wet film in the step 3 using flat plate mold.
Step 5: curing molding
Coating wet film after molding is irradiated or heated with ultraviolet light and carries out curing molding；
Step 6: the reflecting layer to be fabricated into the coating of curing molding in step 5 by printing, spraying, coating or evaporation process
On wet film, the reflecting layer is made of metal material, and such as aluminium, silver, chromium, thickness has high visible between 0.01 μm of -0.2mm
Light reflectivity is used for reflective projector incident light.
The short focus orthographic projection shows that each functional layer index of refraction relationship of screen is as follows: complex functional layer < Fresnel is saturating
Mirror layer, along far from projector direction, layers of material refractive index is sequentially increased, the incidence to other directions of non-projector's incident direction
Light has production when reaching Fresnel Lenses layer and complex functional layer, complex functional layer and Air Interface after reflecting layer is reflected
The probability of raw total reflection shows as having different degrees of absorption to make to the incident light in non-other directions of projector's incidence light direction
With greatly improving the bright room contrast of display, index path is as shown in Figure 4, it can be seen that the short focus front projection screen in the present invention
Curtain can concentrate projector's incident light and be reflected into go out with the parallel or less parallel light emission of normal to screen, and to other directions
Ambient incident light has absorption, to reach the high brightness of Projection Display, high contrast is shown.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied, all within the spirits and principles of the present invention, made any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (17)
1. a kind of short focus orthographic projection shows screen, which is characterized in that be outside, by outside to inside successively close to projector side
Comprising complex functional layer, Fresnel Lenses layer and reflecting layer, the smooth surface of Fresnel Lenses layer is towards projector side.
2. a kind of short focus orthographic projection as described in claim 1 one shows screen, which is characterized in that each layer index of refraction relationship is such as
Under: complex functional layer < Fresnel Lenses layer, i.e., along far from projector direction, layers of material refractive index is sequentially increased.
3. a kind of short focus orthographic projection as described in claim 1 shows screen, which is characterized in that the entirety of the display screen
Thickness 0.10mm-2.0mm.
4. a kind of short focus orthographic projection as described in claim 1 shows screen, which is characterized in that the complex functional layer includes
The resin material of 85% transmitance uniformly adds pigment and diffusion particle is made, thickness 0.05mm-1.8mm, to it close to projection
Carry out on one side hardening and the anti-inverse processing or material itself of machine have high rigidity and anti-reflection function, so that close to the one of projector
Surface hardness is greater than or equal to H, and can prevent external environmental light from generating mirror-reflection in screen surface.
5. a kind of short focus orthographic projection as claimed in claim 4 shows screen, which is characterized in that the pigment is organic pigment
Or inorganic pigment, pigment additive amount 0.01%wt-10%wt, make the short focus front projection screen that grey black be presented；The diffusion
Particle is organic diffusion particle or inorganic diffusion particle, the additive amount 0.01%wt-10%wt of diffusion particle.
6. a kind of short focus orthographic projection as claimed in claim 5 shows screen, which is characterized in that the pigment additive amount
0.02%wt-6%wt, the diffusion particle additive amount 0.02%wt-6%wt.
7. a kind of short focus orthographic projection as described in claim 1 shows screen, which is characterized in that the Fresnel Lenses layer is
By the interception of off-axis interception way from a part of Fresnel Lenses, height of the Fresnel Lenses by transmitance greater than 85% is thoroughly
Cross rate resin material, additive is made, thickness 0.01mm-0.2mm, ring is away from 0.02mm-0.3mm.
8. a kind of short focus orthographic projection as described in claim 1 shows screen, which is characterized in that the Fresnel Lenses layer
The direction of annulus working face and the angle of Fresnel Lenses smooth surface edge far from projector is in trend is gradually increased, and specific angle is by throwing
Shadow machine parameter and the short focus orthographic projection show that the refractive index of screen layers of material determines, so that projector's different angle enters
Light is penetrated after reflecting layer is reflected, concentration is parallel with the direction of normal to screen or less parallel projects.
9. a kind of short focus orthographic projection as claimed in claim 8 shows screen, which is characterized in that the Fresnel Lenses layer
Annulus working face can be cambered surface, and projector's incident ray is made to be incident on the every bit in cambered surface by reflected in parallel；Or it adopts
With plane, reflect projector's incident ray by less parallel.
10. a kind of short focus orthographic projection as described in claim 1 shows screen, which is characterized in that the reflecting layer is by metal
Material is made, and thickness is between 0.01 μm of -0.2mm.
11. a kind of short focus orthographic projection as described in claim 1 shows screen, which is characterized in that the metal be aluminium,
Silver, chromium.
12. a kind of short focus orthographic projection display screen screen making method as described in one of claim 1-11, it is characterised in that packet
Include following steps:
Step 1: Mold Making
Phenanthrine mould is first processed according to the design of Fresnel Lenses precision machine tool;
Phenanthrine mould can be flat
Board mold；Taper die as shown in Figure 5 can also be used, Fresnel structure is processed in cone roller；
Step 2: complex functional layer
Pigment and diffusion particle and other necessary additive systems are uniformly added greater than 85% high transmittance resin material by transmitance
At carry out on one side hardening and anti-inverse processing or material itself close to projector have high rigidity and anti-reflection function, so that close
One surface hardness of projector is greater than or equal to H, and can prevent external environmental light from generating mirror-reflection in screen surface；
Step 3: coating wet film:
The complex function layer surface coated optical photosensitive resin or heat reactive resin made in step 2；Or 85%
High transmittance resin film layer on be coated with and complete Fresnel Lenses layer after, covered again with complex functional layer by transparent glue
It closes,
Wet film can do semi-solid preparation processing according to the solidification and demolding performace of optics photosensitive resin；
Step 4: molding
Use taper die using cone roller small end as the center of circle, the length of cone roller is radius, on the coating wet film in the step 3
Rolling；Or it is directly molded on the coating wet film in the step 3 using flat plate mold;
Step 5: curing molding
Coating wet film after molding is irradiated or heated with ultraviolet light and carries out curing molding；
Step 6: the reflecting layer to be fabricated into the coating of curing molding in step 5 by printing, spraying, coating or evaporation process
On wet film, the reflecting layer is made of metal material, and thickness has high visible reflectivity between 0.01 μm of -0.2mm, is used
In reflective projector incident light.
13. a kind of short focus orthographic projection display screen screen making method as claimed in claim 12, each functional layer index of refraction relationship
As follows: complex functional layer < Fresnel Lenses layer, i.e., along far from projector direction, layers of material refractive index is sequentially increased.
14. a kind of short focus orthographic projection display screen screen making method as claimed in claim 12, which is characterized in that the gold
Belong to is aluminium, silver, chromium.
15. a kind of short focus orthographic projection display screen screen making method as claimed in claim 12, which is characterized in that described high saturating
Crossing rate resin is PET, PMMA, PC.
16. a kind of short focus orthographic projection display screen screen making method as claimed in claim 12, which is characterized in that
The pigment is organic pigment or inorganic pigment, and pigment additive amount 0.01%wt-10%wt makes the short focus front projection screen
Grey black is presented in curtain；The diffusion particle is organic diffusion particle or inorganic diffusion particle, the additive amount 0.01% of diffusion particle
wt-10%wt。
17. a kind of short focus orthographic projection display screen screen making method as claimed in claim 16, which is characterized in that
The pigment additive amount 0.02%wt-6%wt, the additive amount 0.02%wt-6%wt of the diffusion particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781080.2A CN109426061A (en) | 2017-09-01 | 2017-09-01 | A kind of short focus orthographic projection shows screen and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781080.2A CN109426061A (en) | 2017-09-01 | 2017-09-01 | A kind of short focus orthographic projection shows screen and preparation method thereof |
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| CN109426061A true CN109426061A (en) | 2019-03-05 |
Family
ID=65513095
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| CN201710781080.2A Pending CN109426061A (en) | 2017-09-01 | 2017-09-01 | A kind of short focus orthographic projection shows screen and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255878A (en) * | 2020-11-10 | 2021-01-22 | 成都菲斯特科技有限公司 | Catadioptric lateral projection screen and projection system |
| WO2022152310A1 (en) * | 2021-01-18 | 2022-07-21 | 维业达科技(江苏)有限公司 | Projector curtain |
| WO2024217186A1 (en) * | 2023-04-19 | 2024-10-24 | 青岛海信激光显示股份有限公司 | Projection screen and manufacturing method therefor, and projection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0618475A1 (en) * | 1993-03-31 | 1994-10-05 | Hughes Aircraft Company | Flat panel display using rear projection screen |
| JP2002014423A (en) * | 2000-06-30 | 2002-01-18 | Toppan Printing Co Ltd | Projection screen and transmission type projection television using the same |
| CN102221771A (en) * | 2011-06-28 | 2011-10-19 | 成都菲斯特科技有限公司 | Rear projection screen for visual simulation |
| 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 |
| CN106338878A (en) * | 2016-11-16 | 2017-01-18 | 四川长虹电器股份有限公司 | Short-focus positive-projection display screen |
-
2017
- 2017-09-01 CN CN201710781080.2A patent/CN109426061A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0618475A1 (en) * | 1993-03-31 | 1994-10-05 | Hughes Aircraft Company | Flat panel display using rear projection screen |
| JP2002014423A (en) * | 2000-06-30 | 2002-01-18 | Toppan Printing Co Ltd | Projection screen and transmission type projection television using the same |
| CN102221771A (en) * | 2011-06-28 | 2011-10-19 | 成都菲斯特科技有限公司 | Rear projection screen for visual simulation |
| 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 |
| CN106338878A (en) * | 2016-11-16 | 2017-01-18 | 四川长虹电器股份有限公司 | Short-focus positive-projection display screen |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112255878A (en) * | 2020-11-10 | 2021-01-22 | 成都菲斯特科技有限公司 | Catadioptric lateral projection screen and projection system |
| WO2022152310A1 (en) * | 2021-01-18 | 2022-07-21 | 维业达科技(江苏)有限公司 | Projector curtain |
| JP7623662B2 (en) | 2021-01-18 | 2025-01-29 | 維業達科技（江蘇）有限公司 | Projection Screen |
| WO2024217186A1 (en) * | 2023-04-19 | 2024-10-24 | 青岛海信激光显示股份有限公司 | Projection screen and manufacturing method therefor, and projection system |
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Application publication date: 20190305 |