CN206954131U - Vehicle-mounted optical projection system - Google Patents
Vehicle-mounted optical projection system Download PDFInfo
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- CN206954131U CN206954131U CN201720744072.6U CN201720744072U CN206954131U CN 206954131 U CN206954131 U CN 206954131U CN 201720744072 U CN201720744072 U CN 201720744072U CN 206954131 U CN206954131 U CN 206954131U
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- mounted optical
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Abstract
The purpose of the application is to provide a kind of vehicle-mounted optical projection system, and it is mainly by setting in the car and being formed for the projecting apparatus to vehicle rear window projection, the projection film being fitted in rear window.When in use, projecting apparatus is opened, and projection film is projected, so as to form projected pattern on projection film.Wherein, transparent area two parts that projection film is broadly divided into light-blocking region, is connected with light-blocking region, also, light-blocking region is located at the region of projecting apparatus perpendicular projection, for stopping to the light of projecting apparatus perpendicular projection, and transparent area is used for the condition of road surface for observing the rear view of vehicle at rear.Compared with prior art, the utility model can prevent its projecting apparatus from, when being projected to vehicle rear window, dazzling phenomenon is caused to front vehicle human pilot by the transparent area of projection film and the effect of light-blocking region, to avoid the occurrence of potential safety hazard, protect pedestrains safety.
Description
Technical field
It the utility model is related to a kind of optical projection system, more particularly to a kind of vehicle-mounted optical projection system.
Background technology
With the development of modern science and technology, people more and more focus on scientific and technological content and the experience of vehicle, no longer meet its list
Pure rides and drives function instead of walk.
At present, intelligent vehicle is the main direction of development of Current vehicle development, and concentration has used computer, modern biography
Sense, information fusion, communication, artificial intelligence and the technology such as automatically control, wherein, application of the vehicle-mounted projecting apparatus on vehicle is also more next
It is more extensive, especially its project in the car caused by dazzle cruel sense, also welcome by users.
Under normal circumstances, projecting apparatus is installed in in-car, and the glass of vehicle rear window is projected, with by being fitted in
Projection dedicated film on vehicle rear window shows the pattern of projection, and because in order to ensure the safety of vehicle traveling, projection is special
Film is usually semi-transparent film, in order to which user can pass through the condition of road surface behind the backsight sem observation of in-car.However, in reality
In use, user has found projecting apparatus during projection, its light projected easily produces the vehicle operator at car rear
Raw dazzling phenomenon, so as to easily trigger potential safety hazard.
Utility model content
The shortcomings that for above-mentioned prior art or deficiency, the technical problems to be solved in the utility model are to ensure user's energy
In the case of enough observing rear road conditions by vehicle rear window, its projecting apparatus is prevented when being projected to vehicle rear window, to front vehicle
Human pilot causes dazzling phenomenon, to avoid the occurrence of potential safety hazard.
In order to solve the above technical problems, the utility model provides a kind of vehicle-mounted optical projection system, including：Projecting apparatus, set
In the car, for the rear window projection to vehicle；
Projection film, it is fitted in the rear window of vehicle, for by the projector projects；
Also, the projection film includes：Light-blocking region, the transparent area being connected with the light-blocking region；
Wherein, the light-blocking region is located at the region of the projecting apparatus perpendicular projection, for the projecting apparatus perpendicular projection
Light stopped；The transparent area is used for the condition of road surface for observing rear view of vehicle.
The utility model compared with prior art, has the effect that:Because its projection film is by light-blocking region and transparent area two
Part is formed, also, the region of light-blocking region face projecting apparatus perpendicular projection, therefore, in actual use, is shown by projection film
While the projected image of existing projecting apparatus, the stop to projecting apparatus perpendicular projection region is realized by its light-blocking region, prevents its production
Raw light pass through rear window after to front vehicle direct projection, avoid causing the dazzling of front vehicle human pilot, pass through simultaneously
Transparent area is realized in the case where not influenceing projection imaging, ensures that user can observe rear road conditions by vehicle rear window, and then
It can prevent its projecting apparatus from, when being projected to vehicle rear window, dazzling phenomenon is caused to front vehicle human pilot, to avoid the occurrence of
Potential safety hazard.
Further, the projection film includes：Transparent base layer；Wherein, the projection film also includes：It is distributed in described transparent
A plurality of projection screen points in basic unit and in the transparent area, to be formed with figuratum projection layer, while the projection
At least part projection screen point is spaced to one another in layer, to form the see-through area for being used for observing road in the rear situation；
The projection film also includes：The projection dielectric layer on the transparent base layer and in the light-blocking region is sprayed on, with described
The transparent base layer is covered all in light-blocking region, and forms not see-through area.Due to projection screen point being distributed with its transparent area,
And projection dielectric layer is coated with light-blocking region, therefore can the projected image of displaying projector simultaneously respectively, and by transparent area
Interior see-through area, realize in the case where not influenceing projection imaging, ensure that user can observe rear road by vehicle rear window
While condition, also its light projected can be prevented by the not see-through area for the projection dielectric layer formation being sprayed in light-blocking region
Through projection film.
Further, the projection film includes transparent base layer, a plurality of projection screen points being distributed on the transparent base layer,
To be formed with figuratum projection layer, while at least part projection screen point is spaced to one another in the projection layer, with
Form the see-through area for observing road in the rear situation；Wherein, the projection film also includes：It is fitted on the transparent base layer
For stopping the light and the opaque basic unit of projected image can be formed；Wherein, projection described in opaque basic unit's face
Instrument, and the region of its covering forms the light-blocking region, and the region not being entirely covered forms the transparent area.Due to its projection film
Transparent base layer on the projection screen point for forming pattern is distributed with, and there is see-through area, therefore can be realized by each projection screen point
While to projector, the road conditions at rear are observed using the see-through area in transparent area, simultaneously as its light-blocking region
Face projecting apparatus, and covered by opaque basic unit, therefore can prevent the light of projector projects from being passed from projection film.
Further, each projection screen point is evenly distributed in the transparent area in the matrix form.So as to ensure user
In the case of road in the rear clearly being observed, phase can be presented when also projecting apparatus being projected from any angle to projection film
Same projected image.
Further, also include in order to facilitate the operation of user, the projection film：It is arranged on the transparent base layer and is used for
It is bonded the mucigel of the rear window.
Further, the thickness of the transparent base layer is less than or equal to 0.1mm.With by its good bending property and prolonging
Malleability energy, the deformation in specific degrees can be produced under relatively low heating-up temperature, so as to preferably with vehicle rear window glass
Glass is bonded to each other.
Further, in order to meet drop shadow effect and user individual the needs of, being shaped as the projection screen point be circular,
One kind or its combination in non-circular.
Further, when each projection screen point is circular, the radius of each projection screen point is 0.01-2mm, and per adjacent two
Between individual projection screen point at intervals of 0.01-5mm.
Further, the color of the projection screen point is white.Not influence the situation of rear window outward appearance to greatest extent
Under, ensure drop shadow effect of the projecting apparatus on projection film, the color more fidelity of the projected image especially formed.
Further, the thickness of the opaque basic unit is less than or equal to 0.1mm.With by its good bending property and
Ductility, the deformation in specific degrees can be produced under relatively low heating-up temperature, so as to preferably follow transparent base
Layer deforms upon, and is easy to fitting of the projection film in rear window.
Further, the projecting apparatus is arranged on the back seat of the vehicle, and the width of the light-blocking region is less than or waited
In the height of the back seat, and its length is identical with the length of the rear window.So as to ensure do not influenceing the user visual field
In the case of, prevent the light of projector projects from outwards projecting and going out from the both sides of rear window, avoid vehicle in the mistake of turning
Dazzling phenomenon is caused to the human pilot of front vehicle in journey.
Further, when the projection film from it is in-car be bonded with the rear window when, the vehicle-mounted optical projection system is also wrapped
Containing the diaphragm being fitted in the rear window, for being bonded by the projection film.To avoid projection film direct by colloid
It is fitted in rear window and the phenomenon of not easy-clear occurs, while prevent colloid when cleaned, on the inside of rear window
Metal coating causes to damage, further, it is also possible to play a part of completely cutting off ultraviolet.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1：The structural representation of vehicle-mounted optical projection system in the utility model first embodiment；
Fig. 2：The fundamental diagram of vehicle-mounted optical projection system in the utility model first embodiment；
Fig. 3：The structural representation of projection layer in the utility model first embodiment；
Fig. 4：The structural representation of projection film in the utility model second embodiment.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are made furtherly below with reference to accompanying drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
As depicted in figs. 1 and 2, first embodiment of the present utility model provides a kind of vehicle-mounted optical projection system, its mainly by
Set in the car and be used for the projecting apparatus 1 (being preferably provided at back seat) to vehicle rear window projection, be fitted in rear window 2
Projection film 3 is formed.When in use, projecting apparatus 1 is opened, and projection film 3 is projected, so as to form institute on projection film 3
The pattern of projection.Wherein, transparent area A two parts that projection film 3 is broadly divided into light-blocking region B, is connected with light-blocking region B, also, be in the light
Area B is located at the region of the perpendicular projection of projecting apparatus 1, and for stopping to the light of the perpendicular projection of projecting apparatus 1, and transparent area A is used
In the condition of road surface (user's sight 6 in rearview mirror 5 as shown in Figure 2) of the rear view of vehicle at observation rear, such as behind
Vehicle (vehicle 7 as shown in Figure 2), the spacing between the tailstock and behind vehicle, pedestrian on road etc..
Using the vehicle-mounted optical projection system of said structure, because its projection film 3 is made up of light-blocking region B and transparent area A two parts,
Also, the region of the perpendicular projection of light-blocking region B faces projecting apparatus 1, therefore, in actual use, projection is being shown by projection film 3
While the projected image of instrument 1, the stop to the perpendicular projection region of projecting apparatus 1 can be realized by its light-blocking region B, prevents its generation
Light pass through after projection film 3 to front vehicle direct projection, avoid causing the dazzling of front vehicle human pilot, while can be by saturating
Light area A is realized in the case where not influenceing projection imaging, ensures that user can observe rear road conditions, Jin Erke by vehicle rear window
Prevent its projecting apparatus 1 from, when being projected to vehicle rear window, dazzling phenomenon is caused to front vehicle human pilot, to avoid the occurrence of peace
Full hidden danger, protect pedestrains safety.
From Fig. 1 to Fig. 3, above-mentioned projection film 3 is mainly by transparent base layer 31, the multiple throwings being distributed on transparent base layer 31
Shadow curtain point 33, it is fitted on transparent base layer 31 and is used to stopping light and the opaque basic unit 32 of projected image can be formed and forms.Its
In, the multiple projection screen points 33 being distributed on transparent base layer 31 are formd with figuratum projection layer, meanwhile, in projection layer at least
There is part projection screen point 33 spaced to one another, form the see-through area for observing road in the rear situation.Also, no
The face projecting apparatus 1 of transparent base layer 32, and the region of its covering forms light-blocking region B, and corresponding gelatinous layer and transparent base can be passed through
Layer 31 fits.The projection screen point 33 of pattern is formed due to being distributed with the transparent base layer 31 of its projection film 3, and with perspective area
Domain, therefore can be realized by each projection screen point 33 while projected to projecting apparatus 1, utilize the see-through area observation in transparent area A
The road conditions at rear, simultaneously as its light-blocking region B faces projecting apparatus 1, and covered by opaque basic unit 32, therefore can prevent
The light that projecting apparatus 1 projects passes from projection film 3.
Fig. 3 be projection film 3 on projection layer structural representation, i.e., projection screen point 33 transparent base layer 31 distribution map, from
Understand in Fig. 3, during designing and printing projection screen point 33, as preferable mode, projection screen point 33 can be printed to
Circle, and be evenly distributed in the matrix form on transparent base layer 31.So as to can clearly observe rear road in guarantee user
In the case of road, identical projected image can be presented when also projecting apparatus 1 being projected from any angle to projection film.Wherein,
The radius of each projection screen point 33 can be preferably 0.01-2mm (its radius is 2mm in the present embodiment), and per two adjacent throwings
0.01mm-5mm is preferably spaced between shadow curtain point 33 (its in the present embodiment is at intervals of 5mm).So as to both ensure that projection film 3
On drop shadow effect, and can meet user observe rear view of vehicle condition of road surface vision requirement.Furthermore, it is desirable to explanation,
In the present embodiment, the needs of in order to meet drop shadow effect and user individual, the shape of above-mentioned projection screen point 33 is except for circle
Outside, can also be it is non-circular, such as polygon, ellipse, arch, one kind in more arcs or its combination and form.
Meanwhile tellable is that the color of above-mentioned projection screen point 33 is preferably white, with after not influenceing to greatest extent
In the case of seeing outside window, ensure drop shadow effect of the projecting apparatus 1 on projection film 3, the color of the projected image especially formed compared with
For fidelity.In addition, the operation of user for convenience, can also be provided with the transparent base layer 31 of projection film 3 and be used to be bonded rear window 2
Mucigel, wherein, as a kind of preferable mode, mucigel and projection layer respectively on transparent base layer 31 relative two
Side.Simultaneously, it is emphasized that, above-mentioned projection screen point 33 is a kind of preferable scheme in the distribution form of transparent base layer 31,
Therefore, its pattern can also according to other distribution forms form pattern carry out regular distribution, the pattern of such as shutter, no
It is limited to above-mentioned matrix form, and the present embodiment is not made specific restriction to this and illustrated.
In addition, above-mentioned transparent base layer 31 is preferably PET polyester materials, to pass through its good thermoplastic property so that it is logical
After crossing the heating of preference temperature, it can be cambered surface by plane development, so as to preferably be fitted with rear window of vehicle 2, keep away
When exempting from it and being bonded with vehicle rear window by colloid, it is not easy due to being influenceed by the curved surface of rear window of vehicle 2 by firm fixation.
In addition, above-mentioned transparent base layer 31 can also be PBT polyester material, or the thermoplastic such as PET/PBT polyester materials form it is complete
Projection film is ceased, therefore, the present embodiment is not made specific restriction to this and illustrated.Accordingly, similarly, above-mentioned opaque basic unit 32 is excellent
Elect the frosted imaging film of PET polyester materials composition as, and in actual applications, or PBT polyester material, or PET/
The frosted imaging film that the thermoplastics such as PBT polyester material are formed.
Also, when selecting and purchasing above-mentioned transparent base layer 31, can prioritizing selection thickness it is impermeable less than or equal to 0.1mm
Bright basic unit 32 (thickness of opaque basic unit 32 is 0.1mm in the present embodiment), to pass through its good bending property and ductility
Can, the deformation in specific degrees can be produced under relatively low heating-up temperature, so as to the rear window 2 preferably with vehicle
It is bonded to each other.Accordingly, based on it is same the reasons why, the transparent materials that are fitted on transparent base layer 31, its thickness also preferentially selects
For less than or equal to 0.1mm (thickness of opaque basic unit 32 is 0.1mm in the present embodiment).
In addition, when projection film 3 from it is in-car be bonded with the rear window 2 when, above-mentioned vehicle-mounted optical projection system also include set
Diaphragm 4 between projection film 3 and rear window 2, to avoid projection film 3 from being directly fitted in rear window 2 by colloid
And there is the phenomenon of not easy-clear, while prevent colloid from when cleaned, causing to damage to the metal coating 21 on the inside of rear window 2
Wound, in addition, diaphragm 4 can also play a part of completely cutting off ultraviolet.Wherein, in actual applications, after the diaphragm 4 can be
The privacy protection film of glass pane 2, and the professional diaphragm is not easy to remain colloid in rear window 2 when being cleaned.Meanwhile
Projection film 3 can also be fitted in the rear window 2 of vehicle outside car, and therefore, the present embodiment is bonded for projection film 3 outside car
In the rear window 2 of vehicle or it is fitted in from in-car in the rear window 2 of vehicle and does not make specific restriction and explanation.
In addition, during practical set, after the projecting apparatus 1 of vehicle-mounted optical projection system can be preferably located on vehicle
On seat, and light-blocking region B width is less than or equal to the height of back seat, and its length is identical with the length of rear window 2.So as to
Ensure, in the case where not influenceing the user visual field, to prevent the light that projecting apparatus 1 projects from the both sides of rear window 2 outwards projection and
Go out, further provide against hidden trouble.
Fig. 4 is the structural representation of the projection film 3 of vehicle-mounted optical projection system in second embodiment of the present utility model, wherein,
In the present embodiment, vehicle-mounted optical projection system is roughly the same with the vehicle-mounted optical projection system in above-described embodiment, and it is distinguished part and is,
Projection film 3 in the present embodiment is mainly by transparent base layer 31, the multiple throwings for being distributed on transparent base layer 31 and being located in transparent area A
Shadow curtain point 33, the projection dielectric layer for being sprayed on transparent base layer 31 and being located in the B of light-blocking region.Wherein, designing and printing projection
During curtain point 33, can will be distributed over multiple projection screen points 33 in transparent area A forms with figuratum projection layer, makes simultaneously
The part projection screen point 33 obtained in projection layer is spaced to one another, to form the perspective area for being used for observing road in the rear situation
Domain.Accordingly, a plurality of projection screen points 33, the i.e. enough projection screen points 33 of quantity can be sprayed in the B of light-blocking region, and each other
It is connected as a single entity, or it is overlapped, to form in the B of light-blocking region the projection dielectric layer for covering all transparent base layer 31.
Using the projection film 3 of the structure, due to projection screen point 33 is distributed with its transparent area A, and it is coated with the B of light-blocking region
Project dielectric layer, thus can the projected image of displaying projector 1 simultaneously, and by the see-through area in transparent area A respectively, reality
In the case of not influenceing projection imaging now, while ensureing that user can observe rear road conditions by vehicle rear window, it can also lead to
The not see-through area that the projection dielectric layer being sprayed in the B of light-blocking region is formed is crossed, prevents its caused light from passing through projection film 3, enters
And its projecting apparatus 1 can be prevented when being projected to vehicle rear window, dazzling phenomenon is caused to front vehicle human pilot, to avoid out
Existing potential safety hazard.
Specifically, as a kind of preferable mode, each projection screen point 33 in above-mentioned transparent area A is distributed with a matrix type
In transparent area A, so as in the case where ensureing that user clearly can observe road in the rear, also cause projecting apparatus 1 no matter from appointing
Identical projected image can be presented when being projected to projection film in what angle.Also, as can be known from Fig. 2, projection screen point in transparent area A
33 is preferably circular, and is evenly distributed in the matrix form on transparent base layer 31.Wherein, the radius of each projection screen point 33 can be with excellent
Elect 0.01-2mm (its radius of the present embodiment is 2mm), and being preferably spaced between every two adjacent projection screen points 33 as
0.01mm-5mm (the present embodiment its at intervals of 5mm).So as to both ensure that the drop shadow effect on projection film 3, and can meets user
Observe the vision requirement of rear view of vehicle condition of road surface.Simultaneously, it is necessary to which explanation, in the present embodiment, is imitated to meet to project
Fruit and the demand of user individual, the shape of the projection screen point 33 in above-mentioned transparent area A can also be not rounded in addition to for circle
Shape, such as polygon, ellipse, arch, one kind in more arcs or its combination and form.
Meanwhile tellable is that the color of the projection screen point 33 in transparent area A is preferably white, with to greatest extent
In the case of not influenceing vehicle rear window outward appearance, ensure drop shadow effect of the projecting apparatus 1 on projection film 3, the projection especially formed
The color of image more fidelity.
Above example is only to illustrate the technical solution of the utility model and non-limiting, reference only to preferred embodiment pair
The utility model is described in detail.It will be understood by those within the art that can be to technology of the present utility model
Scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solutions of the utility model, all should cover in this reality
With new right.
Claims (12)
1. a kind of vehicle-mounted optical projection system, including：Projecting apparatus, set in the car, for the rear window projection to vehicle；Its feature
It is, in addition to：
Projection film, it is fitted in the rear window of vehicle, for by the projector projects；
Also, the projection film includes：Light-blocking region, the transparent area being connected with the light-blocking region；
Wherein, the light-blocking region is located at the region of the projecting apparatus perpendicular projection, for the light to the projecting apparatus perpendicular projection
Line is stopped；The transparent area is used for the condition of road surface for observing rear view of vehicle.
2. vehicle-mounted optical projection system according to claim 1, it is characterised in that the projection film includes：Transparent base layer；
Wherein, the projection film also includes：It is distributed in a plurality of projections on the transparent base layer and in the transparent area
Curtain point, with formed with figuratum projection layer, while in the projection layer at least part projection screen point each other mutually every
Open, to form the see-through area for being used for observing road in the rear situation；
The projection film also includes：Be sprayed on the transparent base layer and the projection dielectric layer in the light-blocking region, with
The transparent base layer is covered all in the light-blocking region, and forms not see-through area.
3. vehicle-mounted optical projection system according to claim 1, it is characterised in that the projection film includes transparent base layer, distribution
A plurality of projection screen points on the transparent base layer, to be formed with figuratum projection layer, while in the projection layer at least
Have that part projection screen point is spaced to one another, to form the see-through area for being used for observing road in the rear situation；
Wherein, the projection film also includes：It is fitted on the transparent base layer and is used to stop the light and perspective view can be formed
The opaque basic unit of picture；
Wherein, projecting apparatus described in opaque basic unit's face, and the region of its covering forms the light-blocking region, and do not covered by it
The region of lid forms the transparent area.
4. the vehicle-mounted optical projection system according to Claims 2 or 3, it is characterised in that each projection screen point is uniform in the matrix form
It is distributed in the transparent area.
5. the vehicle-mounted optical projection system according to Claims 2 or 3, the projection film also include：It is arranged on the transparent base layer
The upper mucigel for being used to be bonded the rear window.
6. the vehicle-mounted optical projection system according to Claims 2 or 3, it is characterised in that the thickness of the transparent base layer be less than or
Equal to 0.1mm.
7. the vehicle-mounted optical projection system according to Claims 2 or 3, it is characterised in that being shaped as the projection screen point be circular,
One kind or its combination in non-circular.
8. vehicle-mounted optical projection system according to claim 7, it is characterised in that when each projection screen point is circular, each projection
The radius of curtain point be 0.01-2mm, and often between two adjacent projection screen points at intervals of 0.01-5mm.
9. the vehicle-mounted optical projection system according to Claims 2 or 3, it is characterised in that the color of the projection screen point is white.
10. vehicle-mounted optical projection system according to claim 1, it is characterised in that the thickness of the opaque basic unit be less than or
Equal to 0.1mm.
11. vehicle-mounted optical projection system according to claim 1, it is characterised in that the projecting apparatus is arranged on the vehicle
On back seat, and the width of the light-blocking region is less than or equal to the height of the back seat, and the length of its length and the rear window
Spend identical.
12. vehicle-mounted optical projection system according to claim 1, it is characterised in that when the projection film from it is in-car with it is described after
When glass pane is bonded, the vehicle-mounted optical projection system is also comprising the diaphragm being fitted in the rear window, for by the throwing
Shadow film is bonded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744072.6U CN206954131U (en) | 2017-06-23 | 2017-06-23 | Vehicle-mounted optical projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744072.6U CN206954131U (en) | 2017-06-23 | 2017-06-23 | Vehicle-mounted optical projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206954131U true CN206954131U (en) | 2018-02-02 |
Family
ID=61384813
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720744072.6U Expired - Fee Related CN206954131U (en) | 2017-06-23 | 2017-06-23 | Vehicle-mounted optical projection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206954131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110408338A (en) * | 2019-07-22 | 2019-11-05 | 上海光动信息科技有限公司 | Vehicle-mounted projection film and preparation method thereof and automobile |
-
2017
- 2017-06-23 CN CN201720744072.6U patent/CN206954131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110408338A (en) * | 2019-07-22 | 2019-11-05 | 上海光动信息科技有限公司 | Vehicle-mounted projection film and preparation method thereof and automobile |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180913 Address after: 201914 A2-8405 room 58, Fumin Road, Hengsha Township, Chongming, Shanghai (Shanghai Hengtai Economic Development Zone) Patentee after: Shanghai optical Mdt InfoTech Ltd Address before: 215200 B6-303, Huayuan Road, Wujiang District, Suzhou, Jiangsu, 1888 Patentee before: Yu Huan |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20210623 |
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| CF01 | Termination of patent right due to non-payment of annual fee |