CN112526815A - Double-sided projection screen and double-sided projection system with same - Google Patents
Double-sided projection screen and double-sided projection system with same Download PDFInfo
- Publication number
- CN112526815A CN112526815A CN202011528086.7A CN202011528086A CN112526815A CN 112526815 A CN112526815 A CN 112526815A CN 202011528086 A CN202011528086 A CN 202011528086A CN 112526815 A CN112526815 A CN 112526815A
- Authority
- CN
- China
- Prior art keywords
- layer
- double
- projection
- sided
- projection screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010410 layer Substances 0.000 claims description 162
- 238000000034 method Methods 0.000 claims description 25
- 239000010408 film Substances 0.000 claims description 23
- 239000011521 glass Substances 0.000 claims description 20
- 239000012788 optical film Substances 0.000 claims description 17
- 238000010030 laminating Methods 0.000 claims description 12
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 238000001723 curing Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920005749 polyurethane resin Polymers 0.000 claims description 4
- 238000002310 reflectometry Methods 0.000 claims description 4
- 238000001029 thermal curing Methods 0.000 claims description 4
- 238000001227 electron beam curing Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 3
- 238000007645 offset printing Methods 0.000 claims description 3
- 238000005240 physical vapour deposition Methods 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000010023 transfer printing Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- 239000002313 adhesive film Substances 0.000 claims 2
- 239000011247 coating layer Substances 0.000 claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000000741 silica gel Substances 0.000 claims 1
- 229910002027 silica gel Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000007747 plating Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Mathematical Physics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
本发明涉及一种双面投影屏，所述双面投影屏包括平行设置的透明投影层和背投投影层，所述透明投影层在对预先设定的反射光进行漫反射实现正投投影的同时呈现屏后的真实世界环境，所述背投投影层在雾态和透明态之间自由切换。本发明还提供了一种应用该双面投影屏的双面投影系统，该投影系统利用一台投影仪便能实现双侧投影，满足内外侧人员的观看，该投影系统可以根据需要实现正投投影与背投投影的自由切换，其背投技术的雾态效果还可起到防盗的功能，可应用于商场、博物馆以及展馆、展厅等科技场所。
The invention relates to a double-sided projection screen. The double-sided projection screen comprises a transparent projection layer and a rear projection layer arranged in parallel. At the same time, the real-world environment behind the screen is presented, and the rear projection layer can be freely switched between a fog state and a transparent state. The present invention also provides a double-sided projection system applying the double-sided projection screen. The projection system can realize double-sided projection by using one projector to satisfy the viewing of inside and outside personnel, and the projection system can realize front projection as required. The free switching between projection and rear projection, the fog effect of the rear projection technology can also play the role of anti-theft, and can be used in shopping malls, museums, exhibition halls, exhibition halls and other technological places.
Description
Technical Field
The present invention relates to a dual-sided projection screen, and more particularly, to a dual-sided projection screen and a dual-sided projection system having the same.
Background
In modern society, projection technology is widely applied to many fields such as business, education, entertainment, and home, and has become an indispensable means for information dissemination in many occasions. In order to achieve a good projection display effect, the selection of the projection screen is important in addition to the selection of a suitable projector. The projection screens available on the market can be classified into glass bead screens, white plastic screens, gray optical screens, metal screens, etc. according to their screen surface qualities. Generally, projection screens are divided into front projection, i.e. a projector on the same side of the screen as the viewer, and rear projection, i.e. a viewer and a projector on both sides of the screen.
Transparent display technologies have developed rapidly in recent years and have gained an increasing share in the display field, as is conventional with holographic films, transparent OLEDs, transparent LEDs, etc. Such transparent displays are expensive, and in addition, usually have a single direction, and the imaging on the other side is usually blurred or cannot be clearly imaged, which greatly limits the application scenes. Some opaque curtains are available in the market, which can realize double-sided projection imaging, but cannot provide transparent display effect. PDLC dimming glass or a PDLC film (polymer dispersed liquid crystal film) can be freely switched between a transparent state and a fog state, and can be applied as a rear projection film in the fog state, but the PDLC dimming glass or the PDLC film cannot realize transparent projection.
The projection screen with transparent display at present can not give consideration to both projection effect and transparency, can not realize double-sided projection, and can not realize multiple application scenes such as free switching between front projection and rear projection.
Disclosure of Invention
The invention mainly aims to manufacture a double-sided projection product, realize double-sided projection and realize free switching between front projection and rear projection according to requirements.
Embodiments of the invention and their objects are described and illustrated below by way of illustration and in conjunction with systems, tools and methods. These illustrations are exemplary and illustrative only, and are not limiting. In various embodiments, one or more of the above-identified market needs have been met by the present invention, while other embodiments are directed to other improvements.
One aspect of the invention provides a double-sided projection screen, which comprises a transparent projection layer and a rear projection layer which are arranged in parallel, wherein the transparent projection layer performs diffuse reflection on preset reflected light to realize front projection and simultaneously presents real world environment behind the screen, and the rear projection layer is freely switched between a fog state and a transparent state.
As a further improvement of the present application, the transparent projection layer is a transparent optical thin film layer, which includes a base layer, a random structure layer, a plating layer, and a refractive index matching layer.
As a further improvement of the present application, the random structure layer is prepared from an optical resin.
As a further improvement of the present application, the optical resin is any one of acrylic resin, polyurethane resin, and silicone.
As a further improvement of the application, the process for preparing the random structure layer is any one of offset printing, transfer printing, extrusion and coating.
As a further improvement of the present application, the process for curing the random structure layer is at least one of thermal curing, photo curing and EB curing.
As a further improvement of the application, the process for preparing the coating is any one of magnetron sputtering, evaporation or other physical vapor deposition.
As a further refinement of the present application, the random structure layer has substantially the same refractive index as the index matching layer.
As a further refinement of the present application, the distance between the transparent optical film layer and the rear projection layer is not more than 2 mm.
As a further improvement of the present application, the transparent optical film layer has a reflectance of 10% to 70%.
As a further improvement of the present application, the rear projection layer is a flexible rear projection layer or a rigid rear projection layer.
As a further improvement of the present application, the rigid rear projection layer is a glass-based liquid crystal light modulation device; the flexible rear projection layer is any one of a PDLC film and a holographic film.
As a further improvement of the application, the glass-based liquid crystal light modulation device is any one of PDLC light modulation glass and a bistable light modulation device.
As a further improvement of the application, a supporting layer is arranged between the transparent optical film layer and the flexible rear projection layer or outside the transparent layer or outside the flexible rear projection layer.
As a further improvement of the application, the supporting layer is made of any one of super white glass, tempered glass, antireflection glass and acrylic materials.
As a further improvement of the application, the transparent projection layer and the rear projection layer are fixed together in parallel through a fixing glue layer or a bracket.
As a further improvement of the application, the reflectivity of the fixing adhesive layer is 10-80%.
As a further improvement of the application, the process for forming the fixing adhesive layer is at least one of an adhesive sandwiching process and an adhesive backing process.
As a further improvement of the present application, the film in the laminating process is any one of an EVA film and a PVB film; the equipment in the laminating process is any one of a laminating furnace, a laminating machine and an autoclave.
As another aspect of the present application, there is also provided a dual-sided projection system, including a projector and a dual-sided projection screen, the dual-sided projection screen being as described above.
The double-sided projection screen has the advantages that the double-sided projection screen comprises a transparent projection layer and a rear projection layer which are arranged in parallel, the transparent projection layer can realize front projection by diffuse reflection of preset reflected light and can display real world environment behind the screen, and the rear projection layer can be freely switched between a fog state and a transparent state. The projection system can realize free switching between front projection and rear projection according to requirements, and the fog effect of the rear projection technology can also play a role in preventing burglary, and can be applied to scientific and technological places such as markets, museums, exhibition halls and the like.
Drawings
The invention may be better understood by reference to the following description of embodiments of the invention taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of one embodiment of a dual-sided projection screen;
FIG. 2 is a schematic structural diagram of one embodiment of a transparent optical film layer;
FIG. 3 is a schematic view of another embodiment of a dual-sided projection screen;
FIG. 4 is a schematic view of another embodiment of a dual-sided projection screen;
FIG. 5 is a schematic view of another embodiment of a dual-sided projection screen;
FIG. 6 is a schematic diagram of a dual-sided projection system;
in the figure: 01. a double-sided projection screen; 1. a transparent projection layer; 2. a rear projection layer; 3. a transparent optical film layer; 4. a support layer; 5. fixing the adhesive layer; 10. a base layer; 11. a random structural layer; 12. plating; 13. an index matching layer; 010. a projector; 011. an incident light source; 012. diffusely reflecting the light; 013. scattering light; 014. an observer; 015. and (4) an observer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, the following description of the present application will be made in detail and completely with reference to the specific embodiments and the accompanying drawings. It should be understood that the described embodiments are only a few embodiments of the present application, not all embodiments, and are not intended to limit the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment disclosed in the present application relates to a double-sided projection screen, as shown in fig. 1, the double-sided projection screen 01 includes a transparent projection layer 1 and a rear projection layer 2 which are arranged in parallel, the transparent projection layer 1 performs diffuse reflection on preset reflected light to realize front projection, and simultaneously presents real world environment behind the screen, that is, the transparent projection layer 1 has transparent property when being used as a front projection screen, and can see real world environment behind the transparent projection layer through the transparent projection layer. The rear projection layer 2 is freely switched between a fog state and a transparent state.
In the present application, as a preferred embodiment, the transparent projection layer 1 is a transparent optical film layer 3, and as shown in fig. 2, the transparent optical film layer 3 includes a base layer 10, a random structure layer 11, a plating layer 12, and an index matching layer 13. In a preferred embodiment, the refractive index of the random structure layer 11 is substantially the same as that of the refractive index matching layer 13. As a preferred embodiment, the random structure layer 11 is made of an optical resin, which may be, but not limited to, any one of acrylic resin, polyurethane resin, and silicone, wherein acrylic resin (acrylic resin) is a generic term for polymers of acrylic acid, methacrylic acid, and derivatives thereof; the polyurethane resin (polyurethane) is a polymer consisting of polyol and isocyanate, has strong adhesive force to various base materials, and has high elasticity and good wear resistance. As a preferred embodiment, the process for preparing the random structure layer 11 may be, but not limited to, any one of offset printing, transfer printing, pressing, slit coating, and coating, wherein the random structure layer 11 may be a transparent optical resin film having a predetermined surface microstructure, and the preparation method thereof may be implemented by using any one of wet coating processes. As a preferred embodiment of the present application, the process for curing the random structure layer 11 may be, but is not limited to, at least one of thermal curing, photo curing, and EB curing. As a preferred embodiment of the present application, the process for preparing the plating layer 12 may be, but is not limited to, any one of magnetron sputtering, evaporation or other physical vapor deposition.
In the present application, an embodiment of a preferred manufacturing process of the transparent optical film layer 3 is also provided, which comprises the following specific steps: first, a random structure layer 11 is prepared: using a template having any random shape or having some patterned surface microstructure, placing a layer of base layer 10 underneath, placing an optically transparent resin in between, the optically transparent resin will conform to the microstructure of the template, the deposited optically transparent resin film may be cured via a photo-initiation process, a thermal curing process, or a combination of both curing processes, after which the optically transparent resin film is peeled off the template to obtain a random structure layer 11 having a surface microstructure. Next, the plating layer 12 is prepared: and coating the surface of the random structure layer 11 to obtain a coating 12. Finally, the index matching layer 13 is prepared: a layer of optical resin is further applied to the plated layer 12 using a wet coating process.
In this application, in order to prevent the double image phenomenon when the double-sided projection screen is projected, as a preferred embodiment, the distance between the transparent optical film layer 3 and the rear projection layer 2 is not more than 2 mm. In order to ensure high definition of the front projection of the double-sided projection screen, as a further preferred embodiment, the reflectivity of the transparent optical film layer 3 is 10% to 70%.
In this application, as a preferred embodiment, the transparent projection layer 1 and the rear projection layer 2 are fixed together in parallel by a fixing glue layer 5 or a bracket; in a further preferred embodiment, the fixing adhesive layer 5 has a reflectance of 10% to 80%. As a preferred embodiment, the process of forming the fixing adhesive layer 5 is at least one of an adhesive-sandwiching process and an adhesive-backing process. As a further preferred embodiment, in the laminating process, the film 2 applied can be, but not limited to, any one of an EVA film and a PVB film; the equipment applied to the laminating process can be any one of a laminating furnace, a laminating machine and an autoclave, but not limited to the laminating furnace.
In this application, as a preferred embodiment, the rear projection layer 2 is any one of a rigid rear projection layer and a flexible rear projection layer. As a further preferred embodiment, the rigid rear projection layer may be, but is not limited to, a glass-based liquid crystal light modulating device, which may be, but is not limited to, a PDLC light modulating glass, a bistable light modulating device, which is a bistable light modulating glass based on cholesteric liquid crystal, or a bistable liquid crystal light modulating device, etc., as a further preferred embodiment. As a further preferred embodiment, the flexible rear projection layer may be, but is not limited to, any one of a PDLC film and a holographic film.
In this application, as a preferred embodiment, as shown in fig. 3 to 4, a supporting layer 4 is further disposed between the transparent optical film layer and the flexible rear projection layer or outside the transparent layer or outside the flexible rear projection layer, and the supporting layer 4 may be, but not limited to, any one of super white glass, tempered glass, antireflection glass, and organic glass, wherein the organic glass may be, but not limited to, an acrylic material. In addition, the thickness of the support layer 4 may be 2mm to 5mm, such as 2mm, 3mm, 4mm, 5mm, etc., according to the position of the support layer 4 and considering the reflectance, ghost, etc. of the double-sided projection screen, but the thickness is not limited to the above thickness.
The application also provides a preferable embodiment of preparing the double-sided projection screen by adopting the doubling process, which comprises the following specific steps: as shown in the double-sided projection screens of fig. 3 to 5, the fixing adhesive layer 5 is preferably an EVA film, a double-sided projection screen is manufactured by using a laminating furnace, in the laminating process, the temperature gradient is set to be increased from 60 ℃ to 120 ℃, the duration of the whole process is 90 minutes, and the double-sided projection screen is obtained after cooling. In addition, the single membrane (the transparent optical film layer 3 or the rear projection layer 2) can be sandwiched, and the other membrane is directly attached to the surface of the support layer 4 by the process of back glue lamination; or both the two films are attached to both sides of the supporting layer 4 by means of gum adhesion.
In the present application, as a preferred embodiment, there is further provided a dual-sided projection system, the dual-sided projection system includes a projector and a dual-sided projection screen 01, the dual-sided projection screen 01 is the dual-sided projection screen 01, and the dual-sided projection screen 01 is shown in fig. 1 and fig. 3 to fig. 5. As shown in fig. 6, the prepared transparent double-sided projection screen 01 is mounted on a stand or a wall, the projector 010 projects the output light 011 to project an image on the transparent double-sided projection screen 01, and the diffuse reflection light 012 is formed by reflection on the screen, and the diffuse reflection light 012 forms a bright and uniform observation area in the direction of the observer 014. When we drive the rear projection layer 2 to the transparent state, the observer 014 can see the projection image and the object behind the screen at the same time in the observation area, when we drive the rear projection layer 2 to the fog state, the output light 011 of the projector 010 projects the image onto the transparent double-sided projection screen 01, when the light reaches the rear projection layer 2, because the rear projection layer 2 is in the fog state, the light is scattered to form scattered light 013, the observer 015 at the outdoor side can also see the clear image.
When the double-sided projection system is applied to places such as show window glass, indoor projection can be carried out on the premise of keeping transparency in the daytime, and a real object is combined with a virtual object; at night, the picture can be transmitted to the outdoor side to attract consumers, and the dimming product is adjusted to be in a dark state under the conditions that a shop door is closed and the like, so that the anti-theft effect is achieved.
Although the present application describes embodiments of the invention primarily in terms of a two-layer (transparent projection layer 1 and rear projection layer 2) core structure, it will be understood by those skilled in the art that it is not excluded within the scope of the invention that there may be other layers on either side of the transparent projection layer 1 or rear projection layer 2, for example: bonding layers, stiffening layers, anti-reflection layers, absorption layers, anti-reflection layers, etc., and it will be understood by those skilled in the art that these layers may be understood as being part of the transparent projection layer 1 or the rear projection layer 2.
Furthermore, it is understood by the person skilled in the art that it is not excluded within the scope of the invention that further layers may be present between the transparent projection layer 1 or the rear projection layer 2, for example: bonding layers, stiffening layers, anti-reflection layers, absorption layers, anti-reflection layers, etc., and it will be understood by those skilled in the art that these layers may be understood as being part of the transparent projection layer 1 or the rear projection layer 2.
In summary, the present application provides a double-sided projection screen, double-sided projection screen 01 includes transparent projection layer 1 and rear projection layer 2 of parallel arrangement, transparent projection layer 1 carries out diffuse reflection to predetermined reverberation and realizes the real world environment behind the screen when orthographically projecting, rear projection layer 2 freely switches between fog attitude and transparent attitude. The double-sided projection screen 01 can realize transparent projection during orthographic projection, can show needed contents to outdoor viewers during back projection, and can also play a role in theft prevention by utilizing the fog effect of the screen during the back projection technology. This application still provides one kind and contains the aforesaid two-sided projection system of two-sided projection screen 01, this two-sided projection system utilize a projecting apparatus 010 can realize two side projections, can satisfy the watching of inside and outside personnel, and the real world environment after the screen appears simultaneously when just throwing the projection realizes virtual and real combination, can be applied to scientific and technological places such as market, museum and exhibition hall, exhibition room.
Although the description is given in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the embodiments described herein may be combined as a whole to form other embodiments as would be understood by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (20)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011528086.7A CN112526815A (en) | 2020-12-22 | 2020-12-22 | Double-sided projection screen and double-sided projection system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011528086.7A CN112526815A (en) | 2020-12-22 | 2020-12-22 | Double-sided projection screen and double-sided projection system with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112526815A true CN112526815A (en) | 2021-03-19 |
Family
ID=75002404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011528086.7A Pending CN112526815A (en) | 2020-12-22 | 2020-12-22 | Double-sided projection screen and double-sided projection system with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112526815A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023011161A1 (en) * | 2021-08-02 | 2023-02-09 | 江苏集萃智能液晶科技有限公司 | Dimming transparent projection film |
| WO2024114609A1 (en) * | 2022-11-30 | 2024-06-06 | Saint-Gobain Glass France | Vehicle window glass, control method thereof, vehicle-mounted projection system and projection film |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005331777A (en) * | 2004-05-20 | 2005-12-02 | Asahi Glass Co Ltd | Display device and reflection type screen |
| CN202533700U (en) * | 2012-05-08 | 2012-11-14 | 苏州汉朗光电有限公司 | Show window with projection screen function |
| JP2020067497A (en) * | 2018-10-22 | 2020-04-30 | 凸版印刷株式会社 | Projection system and its usage |
| CN211264062U (en) * | 2020-02-19 | 2020-08-14 | 江苏集萃智能液晶科技有限公司 | Transparent projection screen and projection display equipment |
| CN213957830U (en) * | 2020-12-22 | 2021-08-13 | 江苏集萃智能液晶科技有限公司 | Double-sided projection screen and double-sided projection system with same |
-
2020
- 2020-12-22 CN CN202011528086.7A patent/CN112526815A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005331777A (en) * | 2004-05-20 | 2005-12-02 | Asahi Glass Co Ltd | Display device and reflection type screen |
| CN202533700U (en) * | 2012-05-08 | 2012-11-14 | 苏州汉朗光电有限公司 | Show window with projection screen function |
| JP2020067497A (en) * | 2018-10-22 | 2020-04-30 | 凸版印刷株式会社 | Projection system and its usage |
| CN211264062U (en) * | 2020-02-19 | 2020-08-14 | 江苏集萃智能液晶科技有限公司 | Transparent projection screen and projection display equipment |
| CN213957830U (en) * | 2020-12-22 | 2021-08-13 | 江苏集萃智能液晶科技有限公司 | Double-sided projection screen and double-sided projection system with same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023011161A1 (en) * | 2021-08-02 | 2023-02-09 | 江苏集萃智能液晶科技有限公司 | Dimming transparent projection film |
| WO2024114609A1 (en) * | 2022-11-30 | 2024-06-06 | Saint-Gobain Glass France | Vehicle window glass, control method thereof, vehicle-mounted projection system and projection film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6575657B2 (en) | Video projection structure, video projection structure manufacturing method, video projection method, and automobile window | |
| US10788699B2 (en) | Switchable projection panel | |
| US20130335716A1 (en) | Projection Graphics Using One-Way Vision Screens | |
| US20110255035A1 (en) | Light-regulation membrane | |
| JP2017090617A (en) | Screen glass with dimming function and picture display system | |
| JP6569673B2 (en) | Video display transparent member, video display system, and video display method | |
| CN112526815A (en) | Double-sided projection screen and double-sided projection system with same | |
| WO2022188564A1 (en) | High-definition transparent projection film, preparation method and projection system using same | |
| JP2016018195A (en) | Picture display system and picture display method | |
| CN108351546B (en) | Improved Polymer Dispersed Liquid Crystal (PDLC) for display projection screens | |
| WO2019225749A1 (en) | Image projection structure, method for manufacturing same, and image display system | |
| CN213957830U (en) | Double-sided projection screen and double-sided projection system with same | |
| JP6565581B2 (en) | Transparent screen including video display transparent member and video display system | |
| JP2016109894A (en) | Video display transparent member, video display system, and video display method | |
| JP2015227971A (en) | Video projection structure | |
| CN214311279U (en) | High-definition transparent projection film and projection system using same | |
| JP3105679U (en) | Thin film projection screen film with dimming function using liquid crystal | |
| KR101371562B1 (en) | Coating composition for transparent film screen, transparent film screen comprising thereof and method of manufacturing the transparent film screen | |
| JP2017090616A (en) | Blind glass with screen function and picture display system | |
| JP2007072146A (en) | Double-sided visible transmission type screen | |
| WO2013169206A1 (en) | Projection screen | |
| JPH09127878A (en) | Image display device | |
| JP2016114759A (en) | Light diffusion material, light diffusion member using the same and light diffusion structure | |
| KR20060077560A (en) | High reflective screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231106 Address after: No. 280, Huangpujiang Road, Southeast Street, Changshu City, Suzhou City, Jiangsu Province, 215500 Applicant after: Suzhou Zhengdao Optoelectronic Materials Co.,Ltd. Address before: 215500 No. 280, Huangpujiang Road, Changshu high tech Industrial Development Zone, Suzhou City, Jiangsu Province Applicant before: SMART LIQUID CRYSTAL TECHNOLOGIES Co.,Ltd. |