CN218767789U - Ultra-short-focus transparent projection system applied to automobile - Google Patents
Ultra-short-focus transparent projection system applied to automobile Download PDFInfo
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- CN218767789U CN218767789U CN202223107076.3U CN202223107076U CN218767789U CN 218767789 U CN218767789 U CN 218767789U CN 202223107076 U CN202223107076 U CN 202223107076U CN 218767789 U CN218767789 U CN 218767789U
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Abstract
The utility model relates to a be applied to transparent projection system of ultrashort burnt of car, including ultrashort burnt projecting apparatus, transparent projection membrane and transparent device of adjusting luminance, transparent projection membrane set up in car glass inboard surface, ultrashort burnt projecting apparatus set up in inside the car just arrives the planar vertical distance in transparent projection membrane place is 5cm ~ 40cm, transparent device of adjusting luminance set up in car glass outside surface or set up in transparent projection membrane with between the car glass inboard surface. Through combining transparent light modulation device and transparent projection membrane, can be with projection membrane direct mount in car glass inboard surface for the car is under any environment, and the homoenergetic makes transparent projection membrane show clear picture.
Description
Technical Field
The utility model relates to a projection display technology field especially relates to a be applied to ultrashort burnt transparent projection system of car.
Background
With the popularization of household automobiles, the automobile functionality is more and more diversified, and in order to enable passengers to have better riding experience, the vehicle-mounted display technology is continuously improved as part of automobile functionality. The existing vehicle-mounted display technology mainly utilizes an LED screen to present and play vehicle condition information and a voice multimedia system. Currently, most of LED screens used for vehicle-mounted multimedia rooms do not have a transparent function and cannot be combined with vehicle window glass; the size of the LED screen with the transparent function is single, only one specification of 55 inches is available, and the LED screen cannot be combined with the car window glass. Therefore, the LED screen, whether opaque or transparent, occupies a large space when installed in a vehicle, especially a family car.
With the rise of the transparent display technology, the transparent projection screen in the transparent display technology has the advantages that the transparent projection screen can be used as a projection screen when in use and can be used as transparent glass when not in use, so that a plurality of people combine the transparent projection screen with wide visual fields such as a transparent window of a commercial building, a display cabinet and the like, in order to ensure the definition of a projection picture, a long-focus transparent projector is generally selected as a projector matched with the transparent projection screen, but the long-focus transparent projector is far away from the transparent projection screen, and is difficult to be applied to the interior of a vehicle. Therefore, many researchers have proposed to combine the short-focus transparent projection system with the automobile, but the automobile as a moving tool may be in various environments, and even if the ultra-short-focus transparent projection system is applied, the projection effect is not ideal.
Disclosure of Invention
The application mainly solves the technical problems that when the existing ultra-short-focus transparent projection system is combined on an automobile, the projection image is affected by the external environment and is not clear.
For realizing above-mentioned purpose, the application provides a be applied to transparent projection system of ultrashort burnt of car, including ultrashort burnt projecting apparatus, transparent projection membrane and transparent device of adjusting luminance, transparent projection membrane set up in car glass inboard surface, ultrashort burnt projecting apparatus set up in the car is inside and arrives the planar vertical distance in transparent projection membrane place is 5cm ~ 40cm, transparent device of adjusting luminance set up in car glass outside surface or set up in transparent projection membrane with between the car glass inboard surface.
As a further improvement of the present application, the transparent projection film comprises
The base layer is provided with a base layer first surface and a base layer second surface which are arranged in parallel relatively, and the base layer first surface and the base layer second surface are both flat surfaces;
the microstructure layer comprises a plurality of prism units which are arranged on the second surface of the base layer in parallel, the surface of each prism unit, which is close to the second surface of the base layer, is a bottom surface c, the bottom surfaces c form the first surface of the microstructure layer, the surfaces, which are far away from the second surface of the base layer, of the prism units are side surfaces a and side surfaces b, the side surfaces a and the side surfaces b form the second surface of the microstructure layer, the included angle between the side surfaces a and the side surfaces b is the vertex angle alpha of the prism units, alpha is not less than 55 degrees, the included angle between the side surfaces b and the side surfaces c is the base angle beta of the prism units, beta is more than 15 degrees and less than 35 degrees, the side surfaces b are arranged in the direction facing the ultra-short focus projector, a random structure layer is arranged on the side surfaces b, and the microstructure layer has a first refractive index n1;
a functional layer having oppositely disposed functional layer first and second surfaces, the functional layer first surface disposed on the microstructured layer second surface, the functional layer second surface being substantially conformal to the microstructured layer second surface such that the functional layer forms a structure substantially conforming to the microstructured layer second surface;
a refractive index matching layer having an opposing first refractive index matching layer surface and a second refractive index matching layer surface, the first refractive index matching layer surface disposed on and conformal to the second functional layer surface, the second refractive index matching layer surface being parallel to the first base layer surface, the refractive index matching layer having a second refractive index n2;
wherein the first refractive index n1 is the same as or close to the second refractive index n 2.
As a further improvement of the application, the thickness of the microstructure layer is 5-30 μm, and the thickness of the random structure layer is 1-10 μm.
As a further improvement of the application, the random structure layer is a microstructure with a convex or concave surface.
As a further improvement of the present application, the thickness of the functional layer is 1nm to 100nm.
As a further improvement of the present application, the thickness of the index matching layer is 5 μm to 60 μm.
As a further improvement of the present application, the transparent light modulation device is adhered to the first surface of the base layer by means of an adhesive or a back adhesive.
As a further improvement of this application, the car is the car, transparent projection film attached in on the sunroof inboard surface, the ultrashort burnt projecting apparatus set up in car rear windshield with on the ceiling between the sunroof.
As a further improvement of this application, the car is the car, transparent projection film attached in on the inboard surface of car side windshield, ultrashort burnt projecting apparatus set up in between the row's seat around the car to be located the door top.
As a further improvement of this application, the car is the car, transparent projection film attached in on the car side windshield inboard surface, the ultra-short burnt projecting apparatus set up in side windshield's below to be located the automotive trim of side door.
The beneficial effect of this application lies in, provides a be applied to transparent projection system of ultrashort burnt of car, including ultrashort burnt projecting apparatus, transparent projection membrane and transparent device of adjusting luminance, transparent projection membrane set up in car glass inboard surface, ultrashort burnt projecting apparatus set up in the car is inside and arrives transparent projection membrane place planar vertical distance is 5cm ~ 40cm, transparent device of adjusting luminance set up in car glass outside surface or set up in transparent projection membrane with between the car glass inboard surface. Through combining transparent light modulation device and transparent projection membrane, can be with transparent projection membrane direct mount in car glass inboard surface for the car under any environment, the homoenergetic makes transparent projection membrane show clear picture.
Drawings
Fig. 1 is a schematic cross-sectional view of a transparent projection film and a transparent light modulation device according to state 1 of the present application;
FIG. 2 is a schematic cross-sectional view of a transparent projection film according to the present application;
FIG. 3 is a schematic front view of a transparent projection film according to the present disclosure;
FIG. 4 is a schematic view of an installation structure of the ultra-short-focus transparent projection system of the present application in a state 1 in an automobile;
fig. 5 is a schematic view illustrating an installation structure of the ultra-short-focus transparent projection system of the present application in the state 2 in the vehicle.
In the figure: 01. an ultra-short focus projector; 1. a transparent projection film; 2. a transparent light modulating device; 11. a base layer; 12. a microstructure layer; 13. a functional layer; 14. an index matching layer; 121. a prism unit; 122. and (5) a random structure layer.
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, and are not intended to limit the scope of the present application. 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.
In order to solve ultrashort burnt projection system and car and combine the back, the unclear technical problem of projecting image, this application provides a be applied to the transparent projection system of ultrashort burnt of car, including ultrashort burnt projecting apparatus 01, transparent projection membrane 1 and transparent dimming device 2, transparent projection membrane 1 set up in car glass inboard surface, ultrashort burnt projecting apparatus 01 set up in the car is inside and arrives the planar vertical distance in transparent projection membrane 1 place is 5cm ~ 40cm, refers to the structure sketch map of figure 1, transparent dimming device 2 set up in car glass outside surface or set up in transparent projection membrane 1 with between the car glass inboard surface. Preferably, when the transparent light modulation device 2 is disposed between the transparent projection film 1 and the inner surface of the glass of the automobile, the transparent light modulation device 2 may be adhered to the transparent projection film 1 by means of an adhesive or a back adhesive.
Compare in the natural light, ultrashort burnt projecting apparatus 01's luminance is very low, often can only use evening, and when the light that comes from ultrashort burnt projecting apparatus 01 reachd transparent projection membrane 1 formation of image, can reduce ambient light brightness through adjusting transparent dimming device 2's transmissivity, improve transparent projection membrane 1's picture contrast for the car under any environment, transparent projection membrane 1 all can form clear image after carrying out the diffuse reflection to the light that ultrashort burnt projecting apparatus 01 sent. Therefore, the ultra-short-focus transparent projection system of the application can present a clear image on the transparent projection film 1 when the ultra-short-focus projector 01 is used for projection, and can still present a real environment outside the automobile glass when the ultra-short-focus projector 01 is not used for projection. In addition, the transparent projection system of ultrashort burnt of this application, when not using ultrashort burnt projecting apparatus 01, when external light is too strong or need privacy protection, we can adjust transparent dimming device 2's transmissivity equally, reduce luminance, play privacy protection's effect.
In some embodiments, the transparent dimming device 2 can be, but is not limited to, any one of a PDLC dimming device, a dye-based dimming device, and a SPD dimming device. In addition, the control device of the transparent light modulation device 2 may be disposed at a position such as a central control large screen or a steering wheel, and further perform brightness adjustment.
In some specific embodiments, as shown in fig. 2 and 3, the transparent projection film 1 includes a base layer 11, the base layer 11 has a first surface of the base layer 11 and a second surface of the base layer 11 which are arranged in parallel, and both the first surface of the base layer 11 and the second surface of the base layer 11 are flat surfaces; the microstructure layer 12, the microstructure layer 12 includes a plurality of prism units 121 disposed in parallel on the second surface of the base layer 11, a surface of the prism unit 121 adjacent to the second surface of the base layer 11 is a bottom surface c, the bottom surfaces c form the first surface of the microstructure layer 12, surfaces of the prism units 121 far away from the second surface of the base layer 11 are a side surface a and a side surface b, the side surfaces a and the side surface b form the second surface of the microstructure layer 12, an included angle between the side surface a and the side surface b is an apex angle α of the prism unit 121, α is greater than or equal to 55 °, an included angle between the side surface b and the side surface c is a base angle β of the prism unit 121, 15 ° < β < 35 °, the side surface b is disposed facing the direction of the ultrashort focal projector 01, a random structure layer 122 is disposed on the side surface b, and the microstructure layer 12 has a first refractive index n1; a functional layer 13, said functional layer 13 having a functional layer 13 first surface and a functional layer 13 second surface disposed opposite one another, said functional layer 13 first surface being disposed on said microstructured layer 12 second surface, said functional layer 13 second surface being substantially conformal to said microstructured layer 12 second surface, such that said functional layer 13 forms a structure substantially conforming to said microstructured layer 12 second surface; an index matching layer 14, the index matching layer 14 having an opposing index matching layer 14 first surface and an index matching layer 14 second surface, the index matching layer 14 first surface disposed on and conformal to the functional layer 13 second surface, the index matching layer 14 second surface being a surface parallel to the base layer 11 first surface, and the index matching layer 14 having a second index of refraction n2; wherein the first refractive index n1 is the same as or close to the second refractive index n 2.
Generally, long burnt transparent projection membrane 1 is set up in the collocation to long burnt transparent projector among the prior art, when setting up long burnt transparent projection membrane 1 with the collocation of ultra-short burnt projector 01, the light of ultra-short burnt projector 01 output forms the image through traditional long burnt transparent projection membrane 1 diffuse reflection, because do not carry out the correction of certain degree to the direction of light diffuse reflection, leads to the image picture that forms on this type of long burnt transparent projection membrane 1 to have inhomogeneous problem. The fresnel-structured transparent projection film 1 allows diffuse reflection to be concentrated in the middle of the film, and corrects the light in the upper, lower, left, and right directions to the middle to some extent. Accordingly, the transparent projection film 1 of the present application has the microstructure layer 12 disposed as the prism unit 121, and the random structure layer 122 disposed on the side b of the prism unit 121. The prism unit 121 has a function of correcting light in the up-and-down direction of light projected by the projector, thereby reducing light loss and improving the brightness of a picture, and does not correct light in the left-and-right direction, thereby increasing the viewing angle in the left-and-right direction; the random structure layer 122 has a function of forming diffuse reflection, so that the brightness of the projection light of the ultra-short focus projector 01 on the transparent projection film 1 is more uniform, and a clear picture is presented. In addition, the base layer 11 may be a single-layer film or a composite film with a back adhesive function, the single-layer film may be used for subsequent adhesive lamination, and the composite film may be used for subsequent attachment to a transparent substrate; the functional layer 13 mainly plays a role in increasing reflection, and materials such as metal or metal oxide are plated on the surface of the microstructure layer 12 in a plating mode; the index matching layer 14 may be, but is not limited to, a glue selected from the group consisting of acrylic, silicone, or polyurethane, and the index matching layer 14 is formed through a thermal curing or UV curing process.
In some specific embodiments, the thickness of the microstructure layer 12 is 5 μm to 30 μm, and the thickness of the random structure layer 122 is 1 μm to 10 μm. Preferably, the random structure layer 122 is a microstructure with a convex or concave surface.
In some specific embodiments, the functional layer 13 has a thickness of 1nm to 100nm.
In some specific embodiments, the index matching layer 14 has a thickness of 5 μm to 60 μm.
In some specific embodiments, the transparent light modulating device 2 is disposed adjacent to the second surface of the base layer 11, and the transparent light modulating device 2 can be adhered to the second surface of the base layer 11 by means of an adhesive or a back adhesive.
In some specific embodiments, as shown in fig. 4, the automobile is a car, the transparent projection film 1 is attached to the inner surface of the sunroof, and the ultra-short-focus projector 01 is disposed at an open position between the rear windshield and the sunroof of the automobile, such as: the position of the ultra-short focus projector 01 at the neutral position between the rear windshield of the automobile and the skylight of the automobile is adjusted through a bracket fixed on the roof of the automobile, so that the distance and the direction of the ultra-short focus projector 01 relative to the transparent projection film 1 are adjusted, the direction can be the horizontal direction and/or the vertical direction relative to the transparent projection film 1, and the distance can also be the vertical distance between the projector and the plane where the transparent projection film 1 is located. The light emitted by the ultra-short-focus projector 01 directly irradiates the transparent projection film 1 on the skylight for reflection imaging through a short distance, and the formed image can cover the whole skylight. The structural design solves the technical problem that the long-focus projection system cannot be applied to projection due to insufficient vehicle height. In addition, because the projection light source position of the ultra-short focus projector 01 is very close to the transparent projection film 1, the technical problem that a long focus projection system is used to generate light spots on the transparent projection film 1 easily is avoided, and the visual experience of users in watching is improved.
In some specific embodiments, the car is a car, the transparent projection film 1 is attached to the inner surface of the side windshield of the car, and the ultra-short-focus projector 01 is disposed between the front and rear seats of the car and above the car door. In other specific embodiments, the car is a car, the transparent projection film 1 is attached to the inner side surface of the car side windshield, and the ultra-short-focus projector 01 is disposed below the side windshield and located on the car trim of the side door.
According to the above embodiment, the transparent projection film 1 is attached to the inner side surface of the window glass, light output by the ultra-short focus projector 01 is directly projected onto the transparent projection film 1, a user sees a projected pattern through light diffusely reflected by the transparent projection film 1, a path of the light output by the projector reaching the transparent projection film 1 does not pass through human eyes, and the user is not influenced by strong light of a light source of the projector to view experience. By utilizing the ultra-short-focus projector 01 system, the layout and the system design of vehicle-mounted projection can be well carried out. Compare in traditional on-vehicle display technology, parts such as skylight and side window can be utilized to this application, have increased information display's in-car region, and the size of transparent projection membrane can cut at will, pad pasting or doubling, and application scope is extensive and convenient.
Although the present description has been described in terms of embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and it is to be understood that 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 list of details is only for the concrete description of the feasible embodiments of the present application, they are not intended to limit the scope of the present application, and all equivalent embodiments or modifications that do not depart from the technical spirit of the present application are intended to be included within the scope of the present application.
Claims (10)
1. The utility model provides a be applied to transparent projection system of ultrashort burnt of car which characterized in that, includes ultrashort burnt projecting apparatus, transparent projection membrane and transparent device of adjusting luminance, transparent projection membrane sets up in car glass inboard surface, ultrashort burnt projecting apparatus set up in inside the car and arrive the planar vertical distance in transparent projection membrane place is 5cm ~ 40cm, transparent device of adjusting luminance set up in car glass outside surface or set up in transparent projection membrane with between the car glass inboard surface.
2. The ultra-short-focus transparent projection system for automobiles according to claim 1, wherein the transparent projection film comprises
The base layer is provided with a base layer first surface and a base layer second surface which are arranged in parallel relatively, and the base layer first surface and the base layer second surface are both flat surfaces;
the microstructure layer comprises a plurality of prism units which are arranged on the second surface of the base layer in parallel, the surface of each prism unit, which is close to the second surface of the base layer, is a bottom surface c, the bottom surfaces c form the first surface of the microstructure layer, the surfaces, which are far away from the second surface of the base layer, of the prism units are a side surface a and a side surface b, the side surfaces a and the side surface b form the second surface of the microstructure layer, the included angle between the side surface a and the side surface b is the vertex angle alpha of the prism units, alpha is not less than 55 degrees, the included angle between the side surface b and the side surface c is the base angle beta of the prism units, beta is more than 15 degrees and less than 35 degrees, the side surface b is arranged in the direction facing the ultra-short focus projector, a random structure layer is arranged on the side surface b, and the microstructure layer has a first refractive index n1;
a functional layer having oppositely disposed functional layer first and second surfaces, the functional layer first surface disposed on the microstructured layer second surface, the functional layer second surface being substantially conformal to the microstructured layer second surface such that the functional layer forms a structure substantially conforming to the microstructured layer second surface;
a refractive index matching layer having an opposing first refractive index matching layer surface and a second refractive index matching layer surface, the first refractive index matching layer surface disposed on and conformal to the second functional layer surface, the second refractive index matching layer surface being parallel to the first base layer surface, the refractive index matching layer having a second refractive index n2;
wherein the first refractive index n1 is the same as or close to the second refractive index n 2.
3. The ultra-short-focus transparent projection system for an automobile of claim 2, wherein the thickness of the micro-structured layer is 5 μm to 30 μm, and the thickness of the random structure layer is 1 μm to 10 μm.
4. The ultra-short-focus transparent projection system for automobiles according to claim 3, wherein said random structure layer is a microstructure having a convex or concave surface.
5. The ultra-short-focus transparent projection system for an automobile of claim 2, wherein the functional layer has a thickness of 1nm to 100nm.
6. The ultra-short-focus transparent projection system for an automobile according to claim 2, wherein the refractive index matching layer has a thickness of 5 μm to 60 μm.
7. The ultra-short-focus transparent projection system for automobiles according to claim 2, wherein the transparent light modulation device is adhered to the first surface of the substrate by means of an adhesive or a back adhesive.
8. The ultra-short-focus transparent projection system applied to the automobile as claimed in any one of claims 1 to 7, wherein the automobile is a car, the transparent projection film is attached to the inner side surface of the automobile skylight, and the ultra-short-focus projector is disposed on the ceiling between the automobile rear windshield and the automobile skylight.
9. The ultra-short-focus transparent projection system applied to the automobile as claimed in any one of claims 1 to 7, wherein the automobile is a car, the transparent projection film is attached to the inner side surface of the automobile side windshield, and the ultra-short-focus projector is arranged between the front and rear seats of the automobile and above the door of the automobile.
10. The ultra-short-focus transparent projection system applied to the automobile as claimed in any one of claims 1 to 7, wherein the automobile is a car, the transparent projection film is attached to the inner side surface of the automobile side windshield, and the ultra-short-focus projector is disposed below the side windshield and on the trim of the side door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223107076.3U CN218767789U (en) | 2022-11-22 | 2022-11-22 | Ultra-short-focus transparent projection system applied to automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223107076.3U CN218767789U (en) | 2022-11-22 | 2022-11-22 | Ultra-short-focus transparent projection system applied to automobile |
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| Publication Number | Publication Date |
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| CN218767789U true CN218767789U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223107076.3U Active CN218767789U (en) | 2022-11-22 | 2022-11-22 | Ultra-short-focus transparent projection system applied to automobile |
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| CN (1) | CN218767789U (en) |
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Effective date of registration: 20231030 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. |