CN215494531U - Transparent projection membrane of adjusting luminance - Google Patents
Transparent projection membrane of adjusting luminance Download PDFInfo
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- CN215494531U CN215494531U CN202121773895.4U CN202121773895U CN215494531U CN 215494531 U CN215494531 U CN 215494531U CN 202121773895 U CN202121773895 U CN 202121773895U CN 215494531 U CN215494531 U CN 215494531U
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- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model relates to a light-dimming transparent projection film which comprises a transparent projection layer and a light-dimming layer which are arranged in parallel, wherein the light-dimming layer is a transparent layer with adjustable transmittance, and the transmittance of the light-dimming layer is continuously adjusted between 0.5% and 80%; the transparent projection layer is used for realizing orthographic projection by carrying out diffuse reflection on preset reflected light and simultaneously presenting real world environment behind the transparent projection layer, and meanwhile, the dimming layer is used for adjusting the intensity of incident light on the back side by changing the light transmittance, does not influence the reflection imaging efficiency of the transparent projection layer, can realize the best observation effect of front projection and rear measurement of objects, and is suitable for various environment places.
Description
Technical Field
The utility model relates to the technical field of transparent projection application, in particular to a dimming transparent projection film.
Background
As a new display technology, the transparent projection technology can ensure imaging, and can observe scenery on the other side, thereby realizing the combination of virtuality and reality, being widely applied to advertising, business exhibition, entertainment, family leisure and other aspects, and greatly meeting the living needs of people at present. The current mature transparent projection technology is a holographic projection technology, but the technology is expensive, complex in process and high in production cost. In patent CN211264062U, a new optical film technology is disclosed, which can be used with a projector to realize the application of transparent projection display, and has a simple structure and a simple process. However, when the ambient light is strong, the external light penetrates through the projection film and enters the sight range of the observer, which disturbs the projection display effect, and this puts higher demands on the application scene environment and greatly limits the application range.
Therefore, it is desirable to provide a projection film which is applicable to various light environments, has both projection effect and transparency, and has a simple structure and a simple manufacturing process.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides the light-adjustable transparent projection film, which has the light adjusting function while realizing transparent projection, can adjust and control the transmission of external light according to different application scenes, has better transparent projection effect and is simple in structure and preparation process.
The technical scheme adopted by the utility model is as follows:
a dimming transparent projection film comprises a transparent projection layer and a dimming layer which are arranged in parallel, wherein the transparent projection layer is used for realizing orthographic projection by performing diffuse reflection on preset reflected light and simultaneously presenting a real world environment behind the transparent projection layer, the dimming layer is a transparent layer with adjustable transmittance, and the transmittance of the dimming layer is continuously adjusted between 0.5% and 80%.
Preferably, the dimming layer adopts an SPD dimming device or a dye liquid crystal dimming device.
Preferably, the transparent projection layer includes a base layer, a random structure layer, a plating layer, and an index matching layer.
Preferably, the random structure layer and the refractive index matching layer have substantially the same refractive index.
Preferably, the dimming layer is located on one side of the transparent projection layer, which is away from the projector, so as to facilitate reflective imaging of the transparent projection layer.
Preferably, the dimming layer includes a first transparent substrate, a first transparent conductive layer, a dimming material layer, a second transparent conductive layer, and a second transparent substrate, which are sequentially disposed.
Preferably, the light-dimming device further comprises a frame sealing structure located around the light-dimming material layer.
Preferably, a support structure is further included between the first transparent substrate and the second transparent substrate.
Preferably, the support structure is a columnar support mechanism or a spacer ball.
Preferably, the projection device further comprises an adsorption layer or a transparent adhesive layer positioned between the transparent projection layer and the dimming layer.
The beneficial effects of this application lie in that, a transparent projection membrane of adjusting luminance is provided, the transparent projection membrane of adjusting luminance includes parallel arrangement's transparent projection layer and the layer of adjusting luminance, the transparent projection layer is carrying out diffuse reflection to preset's reverberation and is showing when realizing just throwing the projection real world environment behind the transparent projection layer, the light transmittance rate is passed through to the layer of adjusting simultaneously, adjusts dorsal part incident light's power, does not influence the reflection imaging efficiency on transparent projection layer simultaneously, can realize the observation effect of best leading projection and back survey object, applicable in multiple environment place.
Drawings
The utility model may be better understood by reference to the following description of embodiments of the utility model taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a light-adjustable transparent projection film;
FIG. 2 is a schematic diagram of a transparent projection layer;
FIG. 3 is a schematic view of the overall structure of the light modulation layer;
FIG. 4 is a schematic diagram of a structure of a dimming layer according to an embodiment of the present invention;
FIG. 5 is a schematic view of a light-adjustable transparent projection film according to the present invention;
in the figure: 01-dimming transparent projection film, 1-transparent projection layer, 11-base layer, 12-random structural layer, 13-plating layer, 14-refractive index matching layer, 2-dimming layer, 21-first transparent substrate, 22-first transparent conductive layer, 23-dimming material layer, 24-second transparent conductive layer, 25-second transparent substrate, 26-frame sealing structure, 27-supporting structure and 02-projector.
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 dimming transparent projection film, as shown in fig. 1, the dimming transparent projection film 01 includes a transparent projection layer 1 and a dimming layer 2 which are arranged in parallel, the dimming layer is a transparent layer with adjustable transmittance, and the transmittance of the dimming layer is continuously adjusted between 0.5% and 80%; the transparent projection layer 1 performs diffuse reflection on preset reflected light to realize orthographic projection and simultaneously presents a real world environment behind the transparent projection layer, the light modulation layer 2 can adjust the transmittance of light at the rear side, interference of strong light at the back side of the projection film on a projection imaging effect is avoided, and the light modulation layer 2 allows an observer to observe an image penetrating through the light modulation transparent projection film simultaneously while adjusting the light transmittance.
In the present application, the transparent projection layer can perform diffuse reflection imaging on a preset forward incident light, and simultaneously give consideration to the transmission function of a backward light, as a preferred embodiment, as shown in fig. 2, the transparent projection layer 1 includes a base layer 11, a random structure layer 12, a plating layer 13, and a refractive index matching layer 14; wherein, the side of the random structure layer contacting with the base layer is a flat surface, the side contacting with the plating layer is an uneven structured surface, and further, the uneven structured surface is a transparent optical resin film with a preset surface microstructure; as a further preferred embodiment, the refractive index of the random structure layer 12 and the refractive index matching layer 14 are substantially the same; the random structure layer 12 is prepared from an optical resin, and further, the optical resin may be, but is not limited to, any one of acrylic resin, polyurethane resin, and silica gel, where the acrylic resin is a generic name of 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; the process of preparing the random structure layer may be implemented by using any one of wet coating processes, and specifically, may be, but is not limited to, any one of offset printing, transfer printing, extrusion, slit coating; the process for preparing the coating can be, but is not limited to, any one of magnetron sputtering, evaporation or other physical vapor deposition.
Specifically, the random structure layer 12 may be prepared by the following method: placing a template having a surface of any random shape or microstructure having a certain pattern over the base layer 11 while placing an optical resin between the base layer and the template, conforming the surface of the optical resin layer in contact with the template to the microstructure of the template, and peeling off the template after curing the optical resin layer; the curing method may be, but is not limited to, at least one of thermal curing, photo curing, and EB curing.
In this application, as a preferred embodiment, the dimming layer is located on the side of the transparent projection layer away from the projector, and in order to ensure the high definition of the dimming transparent projection film projection, as a preferred embodiment, the reflectivity of the transparent projection layer 1 is 10% -70%.
In the present application, as a preferred embodiment, the transparent projection layer and the dimming layer are fixed together by a transparent adhesive layer or an adsorption layer, wherein the adsorption layer can be, but not limited to, silicone oil, and as a further preferred embodiment, the silicone oil is hydrogen-containing silicone oil with a hydrogen content of 0.1wt% to 5 wt%.
In the present application, as a preferred embodiment, as shown in fig. 3, the dimming layer 2 includes a first transparent substrate 21, a first transparent conductive layer 22, a dimming material layer 23, a second transparent conductive layer 24, and a second transparent substrate 25, which are sequentially disposed; the first transparent substrate 21 and the second transparent substrate 25 are used for carrying thereon various film layers, and may be, but not limited to, at least one of glass, PET, PEN, PC, PP, PMMA, PBT, PVC, PI, and cellulose; in addition, the first transparent conductive layer 22 and the second transparent conductive layer 24 are both disposed in a whole layer, and the first transparent conductive layer 22 and the second transparent conductive layer 24 are preferably made of ITO, but not limited thereto, the first transparent conductive layer 22 and the second transparent conductive layer 24 may also be made of a carbon-based conductive film, a metal nanowire conductive film, a metal oxide film, and the like, wherein the carbon-based conductive film mainly includes two types of graphene oxide and carbon nanotubes, the metal nanowire conductive film commonly includes silver nanowires, copper nanowires, and the like, and the metal oxide film includes a mixture of indium tin oxide, indium oxide, tin oxide, zinc oxide, and other metal oxides.
In the present application, as shown in fig. 4, the dimming layer further includes a frame sealing structure 26 located around the dimming material layer 23, and the frame sealing structure 26 may be formed by polymerization and curing of a reactive adhesive, including but not limited to a thermal curing epoxy resin adhesive, a photo-curing acrylate adhesive, a UV heating hybrid adhesive, and the like; as a further preferred embodiment, the dimming layer 2 further comprises a support structure 27 located between the first transparent substrate 21 and the second transparent substrate 25, the support structure 27 may be distributed anywhere between the first transparent substrate 21 and the second transparent substrate 25, including within the framing structure 26; as a further preferred embodiment, the supporting structure 27 is a columnar supporting structure or a spacer ball, wherein the material of the supporting structure is at least one of resin, glass fiber, and inorganic material, including but not limited to polystyrene, silica, etc.; the support structure may be spherical, rod-like, or otherwise shaped. The size of the support structure 27 depends on the thickness of the dimming layer, and the present application is not limited thereto, and the support structure may be replaced by other structures, which are not described in detail.
In the application, as a preferred embodiment, the light modulation layer adopts an SPD light modulation device or a dye liquid crystal light modulation device; wherein the layer of dimming material of the SPD dimming Device (Suspended Particle Device) comprises an SPD composition; the dimming material layer of the dye liquid crystal dimming device comprises a dye liquid crystal composition; the present application is not limited thereto, and all structures that can achieve adjustable incident light transmittance may be used instead of the dimming layer structure of the present application.
Furthermore, it is understood by the person skilled in the art that it is not excluded within the scope of the utility model that further layers may be present between the transparent projection layer 1 or the dimming layer 2 or on the outer sides of the two facing away from each other, 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 dimming layer 2.
In this application, the transparent projection film of adjusting luminance 01 can use with projecting apparatus 02 collocation, projecting apparatus and observer all are located the transparent projection layer one side of the transparent projection film of adjusting luminance, projecting apparatus projection output light throws the image on transparent projection layer, the observer sees the projected image through the diffuse reflection of transparent projection layer 1, and simultaneously, the observer still can see the object behind the transparent projection film of adjusting luminance 01 simultaneously in the observation area, when the transparent projection film 01 dorsal light environment of adjusting luminance is stronger, more ambient light sees through the transparent projection film of adjusting luminance, get into the observer's sight, produce the influence to the projected image observation effect, through changing the layer transmissivity of adjusting luminance this moment, adjust the power of dorsal incident light, do not influence the reflective imaging efficiency of transparent projection layer 1 simultaneously, can realize the observation effect of best leading projection and rear side object.
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 (10)
1. The dimming transparent projection film is characterized by comprising a transparent projection layer and a dimming layer which are arranged in parallel, wherein the transparent projection layer performs diffuse reflection on preset reflected light to realize orthographic projection and simultaneously presents a real world environment behind the transparent projection layer, the dimming layer is a transparent layer with adjustable transmittance, and the transmittance of the dimming layer is continuously adjusted between 0.5% and 80%.
2. The light-modulating transparent projection film of claim 1, wherein the light-modulating layer employs an SPD light modulator or a dye liquid crystal light modulator.
3. The dimming transparent projection film of claim 1, wherein the transparent projection layer comprises a base layer, a random structure layer, a plating layer, and an index matching layer.
4. The dimming transparent projection film of claim 3, wherein the random structure layer and the index matching layer have substantially the same index of refraction.
5. The light-modulating transparent projection film of claim 1, wherein the light-modulating layer is located on a side of the transparent projection layer facing away from a projector.
6. The dimming transparent projection film of claim 1, wherein the dimming layer comprises a first transparent substrate, a first transparent conductive layer, a dimming material layer, a second transparent conductive layer, and a second transparent substrate, which are sequentially disposed.
7. The dimming transparent projection film of claim 6, further comprising a frame seal structure positioned around the layer of dimming material.
8. The dimming transparent projection film of claim 6 or 7, further comprising a support structure between the first transparent substrate and the second transparent substrate.
9. The light modulating transparent projection film of claim 8, wherein the support structure is a columnar support structure or a spacer ball.
10. The dimming transparent projection film of claim 1, further comprising an absorption layer or a transparent glue layer between the transparent projection layer and the dimming layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121773895.4U CN215494531U (en) | 2021-08-02 | 2021-08-02 | Transparent projection membrane of adjusting luminance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121773895.4U CN215494531U (en) | 2021-08-02 | 2021-08-02 | Transparent projection membrane of adjusting luminance |
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| CN215494531U true CN215494531U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121773895.4U Active CN215494531U (en) | 2021-08-02 | 2021-08-02 | Transparent projection membrane of adjusting luminance |
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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 |
| CN116442629B (en) * | 2023-04-28 | 2024-01-26 | 深圳御光新材料有限公司 | Projection film and manufacturing method thereof |
-
2021
- 2021-08-02 CN CN202121773895.4U patent/CN215494531U/en active Active
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 |
| CN116442629B (en) * | 2023-04-28 | 2024-01-26 | 深圳御光新材料有限公司 | Projection film and manufacturing method thereof |
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Effective date of registration: 20231107 Address after: No. 280, Huangpujiang Road, Southeast Street, Changshu City, Suzhou City, Jiangsu Province, 215500 Patentee after: Suzhou Zhengdao Optoelectronic Materials Co.,Ltd. Address before: 215500 No. 280 Huangpujiang Road, Changshu High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee before: SMART LIQUID CRYSTAL TECHNOLOGIES Co.,Ltd. |