CN111660769A - Projection intelligence window - Google Patents
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- CN111660769A CN111660769A CN202010471041.4A CN202010471041A CN111660769A CN 111660769 A CN111660769 A CN 111660769A CN 202010471041 A CN202010471041 A CN 202010471041A CN 111660769 A CN111660769 A CN 111660769A
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- projection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J3/00—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles
- B60J3/04—Antiglare equipment associated with windows or windscreens; Sun visors for vehicles adjustable in transparency
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/002—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials
- G02B1/005—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of materials engineered to provide properties not available in nature, e.g. metamaterials made of photonic crystals or photonic band gap materials
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- 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
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- 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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F21/00—Mobile visual advertising
- G09F21/04—Mobile visual advertising by land vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Theoretical Computer Science (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
A projection intelligent window comprises a first light-transmitting plate, a second light-transmitting plate and a first projection device positioned on the inner side of a vehicle, and is characterized in that a first projection module is further stacked between the first light-transmitting plate and the second light-transmitting plate and serves as a display bearing layer for projection contents; and the light adjusting film is adjusted to have the visible light transmittance of less than 20 percent, preferably the visible light transmittance of less than 1 percent when the first projection device starts projection. Projection module and membrane combination interact of adjusting luminance, and the membrane of adjusting luminance reduces the transmissivity when projection function is opened, restraines the outer ambient light of car and disturbs, makes the projection effect more clear, has reduced the ghost image of glass double reflection, and the content that can't see the projection outside the window simultaneously guarantees user's privacy.
Description
The technical field is as follows:
the invention relates to the field of multifunctional glass, in particular to a projection intelligent window.
Background art:
with the development of automobile technology and the increasing demand of consumers for the entertainment function of automobiles, the vehicle-mounted multimedia technology is gradually paid attention by various automobile manufacturers and favored by consumers. At present, the vehicle-mounted multimedia technology is mostly to input multimedia resources through external equipment such as DVD or USB flash disk, and plays through the well accuse display screen of car, headrest display screen or the extra display screen of installing on the instrument board that adds etc. to add the enjoyment of front-seat and back-seat passenger journey.
In addition to the direct display by using the display screen, a technology of performing projection display and play by using a window glass of an automobile has also appeared, for example, chinese patent CN106240481A discloses a projection system for a vehicle, which includes at least one projection device capable of projecting in multiple directions and capable of being disposed in a cab of the vehicle, and a first control unit connected to the projection device, wherein the first control unit projects on the window glass of the vehicle by the projection device capable of projecting in the projection direction, and the projection system includes a sunroof projection device, at least one side window projection device, and at least one front and rear windshield projection device.
However, with existing in-vehicle projection systems or display systems, it is essentially impossible to autonomously select the display direction of content. For example, in patent CN107148343, the display module is sandwiched between two pieces of glass, which can display contents toward the inside of the vehicle, but cannot be seen outside the vehicle, and has a single application scene, and in addition, the OLED processing temperature has a large difference from the conventional process temperature of the current sandwich product, and is damaged under the current process parameters, and requires special process parameters, and the processing process is complex; patent CN108312975, by projection technology, projects the displayed content on the glass, and can implement mutual compensation, ensuring the excellent image, but cannot implement automatic selection of the visual direction.
The invention content is as follows:
aiming at the technical problems in the prior art, the invention provides the projection intelligent window which is structurally designed and improved, and can manually control whether the projected content is visible outside the automobile.
The technical scheme adopted by the invention is as follows:
the utility model provides a projection intelligence window, includes first light-passing board, second light-passing board and is located the inboard first projection arrangement of car, its characterized in that, still range upon range of between first light-passing board and the second light-passing board has:
the first projection module is used as a display bearing layer for projecting contents;
and the light adjusting film is adjusted to have visible light transmittance of less than 20% when the first projection device starts projection.
In one possible embodiment, a first adhesive layer is further laminated between the light adjusting film and the second light-transmitting plate.
In a possible embodiment, a second projection module is stacked between the light adjusting film and the second light-transmitting plate.
In a possible embodiment, the projection smart window further includes a second projection device disposed at an outer side.
In a possible embodiment, the second projection device is fixedly arranged in a frame of a vehicle body metal plate or a vehicle window.
In one possible embodiment, the first projection module is luminescent PVB doped with fluorescent or phosphorescent material and having a thickness of 0.3-0.8 mm.
In one possible embodiment, the first projection module is a laminate comprising a second adhesive layer, a third adhesive layer, and a transparent projection film between the second adhesive layer and the third adhesive layer.
In one possible embodiment, the transparent projection film is a PDLC light modulation film or a photonic crystal film.
In one possible embodiment, the light adjusting film is adjusted to have a transmittance of less than 1% when projected by the first projection device.
In one possible embodiment, the technology used by the light adjusting film is one of SPD, EC, LC.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
projection module and membrane combination interact of adjusting luminance, and the membrane of adjusting luminance reduces the transmissivity when projection function opens and makes the projection effect more clear, has reduced the ghost image of double reflection, reduces sunshine to watching the projected influence, and the content that can't see the projection outside the window simultaneously guarantees user's privacy. When necessary, the light adjusting film can be adjusted to be in a transparent state when the projection function is started, so that projection contents can be seen outside the window, and the function of advertising can be played.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of a projection smart window according to the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of a projection smart window of the present invention;
FIG. 3 is a schematic structural diagram of a two-sided projection smart window according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first projection module according to the present invention.
Description of reference numerals:
1. the projector comprises a first light-transmitting plate, a first projection module, a first light-adjusting film, a second light-transmitting plate, a second projection module, a second light-transmitting plate, a first bonding layer, a second bonding layer, a first projection device, a second projection device and a second projection device, wherein the first light-transmitting plate;
21. a second adhesive layer, 22, a transparent projection film, 23, a third adhesive layer.
The specific implementation mode is as follows:
to explain technical contents, achieved objects and effects of the present invention in detail, the present invention will be further described with reference to the accompanying drawings and embodiments, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
In the present invention, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are primarily intended to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation, and therefore should not be construed as limiting the invention.
As shown in fig. 1, the present invention provides a projection intelligent window, which includes a first transparent plate 1, a second transparent plate 6 and a first projection device 7 located inside a vehicle, wherein the first transparent plate 1 is a side close to the inside of the vehicle, and the second transparent plate 6 is a side close to the outside of the vehicle, the first transparent plate 1 and the second transparent plate 6 in the present invention can be made of tempered or common inorganic glass, and can also be made of organic glass, and the first transparent plate 1 and the second transparent plate 6 can also be a combination of laminated glass to improve the overall safety of the glass. When the first light-transmitting plate 1 and the second light-transmitting plate 6 are made of flat glass, the first light-transmitting plate 1 and the second light-transmitting plate 6 can be used for windows of buildings, the first light-transmitting plate 1 and the second light-transmitting plate 6 can also be made of curved glass, curved functional laminated glass suitable for vehicles can be obtained on occasions where the curved glass is used, most of the curved functional laminated glass are used for side windows of the vehicles, and the curved functional laminated glass can also be used for windows of other positions of the vehicles.
The first projection device 7, preferably an ultra-short-focus projection device, is arranged with a reasonable projection angle, preferably above the level of the projection module 2, so as to prevent the specular reflection of the projection device on the glass surface from directly irradiating human eyes and affecting the viewing experience.
Between the first and second light-transmitting plates 1, 6 there are further stacked:
the first projection module 2 is used as a display bearing layer for projecting contents, the projection device projects the contents on the first projection module 2, images sensed by human eyes are displayed on the surface of the projection module when the contents are observed by the human eyes, and the first projection module 2 can be of various structures capable of achieving the purpose of projection;
the light adjusting film 3, when the first projecting device 7 starts the projection, the transmittance of the light adjusting film 3 is adjusted to be less than 20%, and the transmittance of less than 1% is preferred under the condition of sufficient sunshine, so that the effect of better shading and improving the projection definition can be achieved. The dimming film 3 uses a currently common dimming technology, preferably one of SPD (suspended particle device), EC (electro chromic), and LC (liquid crystal or dye liquid crystal), and the use of PDLC (polymer dispersed liquid crystal) dimming technology can also achieve the object but has a poor effect, because the PDLC dimming film itself is also a display support layer suitable for projection content, and the PDLC dimming film has low resolution of an image on the same side and poor visual perception, and the use of the PDLC dimming film is not recommended here. In a projection window without using the light modulation film 3, part of light projected by a projection device in a vehicle passes through a projection module, so that the display effect on one side in the vehicle is worse than that outside the vehicle, light outside the vehicle strongly influences the projection quality, the experience effect of passengers in the vehicle is poor, and the content of projection cannot be controlled not to be seen outside the vehicle. The light-adjusting membrane 3 can also reduce ultraviolet and heat radiation of sunlight to the interior of the vehicle, reduce the using amount of an air conditioner, save energy and reduce emission.
According to the invention, through the combined interaction of the projection module and the light modulation film 3, the transmittance of the light modulation film 3 is reduced when the projection function is started, the influence of ambient light on display is greatly reduced, so that the projection effect is clearer, double images of double reflections are reduced, and meanwhile, the privacy of a user is ensured because the projection content cannot be seen outside a window. Of course, the light adjusting film 3 can be adjusted to be transparent when the projection function is turned on, so that the projection content can be seen outside the window, and the function of advertising can be achieved.
As shown in fig. 2, in a possible embodiment, a first adhesive layer 4 is further stacked between the light adjusting film 3 and the second light-transmitting plate 6, and the adhesive layer material commonly used in the automobile industry, such as PVB, EVA, etc., is used for the first adhesive layer 4, so that the safety performance of the whole projection smart window can be improved.
As shown in fig. 3, in a possible embodiment, a second projection module 5 is further stacked between the light modulation film 3 and the second light-transmitting plate 6, the second projection module 5 is defined similar to the first projection module 2 and is used for displaying content projected by the projection device, the second projection module 5 is used for carrying projection from a projection device outside the vehicle window, and the projected content can be viewed from the outside, which may be referred to as a double-sided projection smart window in this embodiment.
The second projection device 8 can be additionally arranged outside the window, the second projection device 8 can be fixedly arranged in a frame of a vehicle body metal plate or the window, and the second projection device 8 is in an ultra-short-focus projection mode, so that the projection ratio is limited to be 0.2-1, preferably 0.4-0.6. When the second projector 8 outside the vehicle window is turned on, the light adjusting film 3 is adjusted to be in a dark state, namely a low transmittance state, and at the moment, the projection content is only visible outside the vehicle, so that the method is a good advertising mode. Can be used to net appointment's prompt message, when getting on bus, light modulation membrane 3 closes, and the display content is to car outer passenger, and the opening and closing of light modulation membrane 3 can be selected to the passenger of sitting on bus to suggestion identity and broadcast welcome etc.. The scenery outside the vehicle can be watched when the light adjusting film 3 is closed; when the dimming film 3 is turned on, route planning information, arrival time and the like can be prompted; when getting off, the light adjusting film 3 is automatically opened to prompt getting off and then closed immediately to observe the condition of destination outside the window. The device can also be used for putting advertisement information on a vehicle, and under the condition of no passenger, the dimming function of the dimming film 3 is closed, and the advertisement is put outside the vehicle; when a passenger is present, the dimming film 3 is turned on to provide advertisement information to the passenger in the vehicle.
The projection module of the present invention, such as the first projection module 2, can be selected from a luminescent PVB doped with a fluorescent or phosphorescent material, organic phosphorous nanoparticles are distributed in the PVB, and the luminescent module emits light after being excited by visible light near an ultraviolet band, and a mature product is available in the market. The thickness of using luminous PVB is preferably 0.3-0.8mm, gives consideration to thickness and adhesive strength, and the advantage of using luminous PVB as projection module is that can give consideration to the effect that the tie coat and the projection carried, makes the simple structure of whole product, and thickness is little.
In another embodiment, the projection module is a laminated body, as shown in fig. 4, and at least includes a second bonding layer 21, a transparent projection film 22 and a third bonding layer 23, wherein the second bonding layer 21, the third bonding layer 23 and the first bonding layer 4 perform similar functions, PVB, EVA and other materials can be used, and the transparent projection film 22 laminated therein can be various light-permeable films suitable for carrying projection contents, such as PDLC light modulation films, photonic crystal films and the like, preferably high-definition or even ultra-clear photonic crystal films. The PDLC light modulation film and the photonic crystal film can not form double images, the forward projection imaging effect is poor when the PDLC light modulation film is used as a projection film alone, the resolution ratio is low, and the image quality is improved after the photonic crystal film is added.
The photonic crystal film is an artificial microstructure formed by periodically arranging media with different refractive indexes, can have a high reflection effect on a visible light wave band so as to improve the display performance, can display a colorful picture, and has certain transparency, for example, the photonic film disclosed in Chinese patent CN 201710467082. In the vehicle-mounted environment, in order to achieve better projection display effect, the haze of the used photonic crystal film is less than or equal to 20%, preferably less than 10%, and most preferably less than 4%, the display contrast is 10:1-1000:1, and the NTSC color gamut is 90%. The thickness is 0.05mm-1mm, preferably 0.2mm-0.7 mm. The use of the photonic crystal film can lead the projection to have better resolution, better film viewing effect and richer colors. Meanwhile, in order to adapt to the existing glass production process, the material of the photonic film is selected to meet the existing high-temperature high-pressure laminated glass production process.
It will be appreciated that in the above-described two-sided projection smart window embodiment, the first projection module 2 and the second projection module 5 may be combined to use different projection module configurations to meet practical requirements.
The above description is intended to provide preferred embodiments of the present invention, and not to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which can be made by those skilled in the art within the spirit and scope of the present invention are also within the scope of the present invention.
Claims (10)
1. The utility model provides a projection intelligence window, includes first light-passing board (1), second light-passing board (6) and is located inboard first projection arrangement (7) of car, its characterized in that, still range upon range of between first light-passing board (1) and second light-passing board (6) has:
the first projection module (2) is used as a display bearing layer for projecting contents;
and a light adjusting film (3), wherein when the first projection device (7) starts projection, the transmittance of the light adjusting film (3) is adjusted to be less than 20%.
2. A projection intelligent window according to claim 1, wherein a first adhesive layer (4) is laminated between the light adjusting film (3) and the second light-transmitting plate (6).
3. A projection intelligent window according to claim 1, wherein a second projection module (5) is further stacked between the light adjusting film (3) and the second light-transmitting plate (6).
4. A projected smart window as claimed in claim 3, characterized in that it further comprises a second projection means (8) arranged on the outside.
5. The projection intelligent window as claimed in claim 4, wherein the second projection device (8) is fixedly arranged in a frame of a vehicle body sheet metal or a vehicle window.
6. The projection smart window as claimed in claim 1, wherein the first projection module (2) is luminescent PVB doped with fluorescent or phosphorescent material and having a thickness of 0.3-0.8 mm.
7. The projection smart window of claim 1, wherein the first projection module (2) is a laminate comprising a second adhesive layer (21), a third adhesive layer (23), and a transparent projection film (22) between the second adhesive layer (21) and the third adhesive layer (23).
8. The projection smart window of claim 7, wherein the transparent projection film (22) is a PDLC light modulation film or a photonic crystal film.
9. The projection intelligent window as claimed in claim 1, wherein the light adjusting film (3) is adjusted to have a transmittance of less than 1% when the light adjusting film (3) is projected by the first projection device (7).
10. A projection intelligent window according to claim 1, characterized in that the technology used by the light-adjusting film (3) is one of SPD, EC, LC.
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Cited By (6)
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CN113415051A (en) * | 2021-06-08 | 2021-09-21 | 福耀玻璃工业集团股份有限公司 | Glass with display function and product |
CN113820879A (en) * | 2020-12-02 | 2021-12-21 | 法国圣戈班玻璃公司 | Liquid crystal projection layer for glass, vehicle and method for manufacturing glass |
CN114940125A (en) * | 2021-02-10 | 2022-08-26 | 观致汽车有限公司 | Getting-off image reminding system for vehicle and vehicle |
WO2024032645A1 (en) * | 2022-08-11 | 2024-02-15 | Saint-Gobain Glass France | Vehicle window glass and vehicle-mounted projection system |
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 |
WO2024174054A1 (en) * | 2023-02-20 | 2024-08-29 | 福耀玻璃工业集团股份有限公司 | Projection display device and vehicle |
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