WO2018171598A1 - 一种车用投影膜的使用方法 - Google Patents
一种车用投影膜的使用方法 Download PDFInfo
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- WO2018171598A1 WO2018171598A1 PCT/CN2018/079713 CN2018079713W WO2018171598A1 WO 2018171598 A1 WO2018171598 A1 WO 2018171598A1 CN 2018079713 W CN2018079713 W CN 2018079713W WO 2018171598 A1 WO2018171598 A1 WO 2018171598A1
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- film
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- vehicle
- projection film
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
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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
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B2027/0192—Supplementary details
- G02B2027/0196—Supplementary details having transparent supporting structure for display mounting, e.g. to a window or a windshield
Definitions
- the present invention relates to the field of automotive electronic optics, and in particular to a method of using a projection film for a vehicle.
- the existing projection film imaging system is generally realized by using a computer, a conventional projector, and a holographic projection film, but is susceptible to ambient light. Therefore, a projector with a higher brightness is generally required, and a light source is required to be used. In order to get better results. Thereby, the imaging application mode of the projection film is greatly limited.
- the invention provides a film which not affects the normal function of the automobile window and can display the image projected by the projection device, and transforms the automobile window into a projection screen through the film and the automobile window.
- the device can project an image on the window.
- the invention provides a method for using a projection film for a vehicle, which is characterized in that a projection film for a vehicle is attached to a window glass, and a projection device (the projection device can be installed at any position in the vehicle, generally mounted on After the projection film is projected to the above-mentioned vehicle projection film, the vehicle projection film is imaged on the window glass by reflecting the image on the surface of the window glass;
- a projection film of a transparent material is used as a base film, and a planar and/or a three-dimensional pattern is provided thereon.
- the film formed by projecting the light projected by the projector is attached to the window, and then the film is irradiated by the projector, so that the image to be projected by the projector is imaged on the film due to the film and the window. Tightly fit together, so the window also has imaging capabilities.
- the transparent material projection film can be selected from any commercially available flexible film with good transparency, such as a holographic projection film, a holographic transparent back-projection film and the like.
- the pattern can be any geometric or non-geometric pattern, and the area covered and the size of each pattern can be adjusted according to the needs of use.
- Residing light on the window is achieved by the pattern arrangement and spacing on the film, the difference in color and transmittance of the pattern coating.
- the method for using a projection film for a vehicle provided by the present invention further has the feature that a non-transparent planar pattern is printed on the projection film by a micro-printing process.
- the method for using a projection film for a vehicle provided by the present invention further has the feature that a three-dimensional pattern is engraved on the projection film by a micro-molding process.
- such a pattern can exhibit the effect of unevenness on the transparent base film, thereby forming a visual effect of alternating light and dark in the case of illumination, thereby extending the retention time of the image while passing through the base film.
- the concave and convex shape based on the projection of the projector at a certain angle, the formed image can also achieve a three-dimensional feeling suspended in the air.
- the projection film when the projection film is projected at a distance of 15-60° and a distance of 25-100 cm, the stereoscopic effect can be exhibited.
- the above angles can also be adjusted with environmental differences.
- the method for using a projection film for a vehicle provided by the present invention further has the feature that the patterns are evenly distributed on the projection film in a matrix manner.
- the method for using a projection film for a vehicle provided by the present invention further has the feature that the distance between the pattern and the pattern is 0.1-5 cm.
- the method for using a projection film for a vehicle provided by the present invention further has the feature that the thickness or depth of the pattern is 1-100 ⁇ m.
- the method for using a projection film for a vehicle provided by the present invention further has the feature that the color of the pattern is a color having a light reflectance of >75%.
- light color such as: white, pink, pink, pink and other colors.
- the method for using a projection film for a vehicle provided by the present invention further has the feature that the bottom film is an electrically controlled film.
- the membrane can be switched between transparency and atomization, for example, membrane atomization attached to the mirror during the day, thus avoiding the influence of sunlight reflection on the driver of the rear vehicle, and does not affect the driving safety of the following vehicle.
- the method for using a projection film for a vehicle provided by the present invention further has the feature that the projection film is provided with an anti-ultraviolet and/or explosion-proof, and/or thermal barrier coating/structure.
- the method for using a projection film for a vehicle according to the present invention is characterized in that a transparent protective film is provided on at least one surface of the projection film.
- the invention provides a method for using a projection film.
- a flexible film with a certain toughness is selected, and the film can be attached to the inner side of the automobile window and integrated with the window.
- the film is transparent and does not affect the driver's observation of the outside of the vehicle through the window to which the film is attached; the film has a certain function of preventing ultraviolet rays and heat insulation, and can filter part of the light and directly image thereon.
- the surface of the film is subjected to micro-printing or micro-molding treatment, so that most of the light projected by the projection device inside or outside the vehicle can stay on the surface of the film, and the image projected by the projection device is Appearing on the film, the film is attached to the window of the automobile, so that the image projected by the projection device appears on the window, thereby turning the car window into a projection screen.
- the car window is turned into an advertising screen by the placement of the intelligent projection device with the 3/4G data function and the cloud management, and then the car becomes a
- the mobile advertising screen carrier can realize the real-time delivery of the advertisement in the cloud and the automatic delivery of the geographical location.
- the combination of the film and projection equipment with the car and the car window can be used for a long time without frequent replacement, simple maintenance and convenient management.
- At least one surface of the bidirectional visible film is provided with a transparent protective film, which can reduce the external light interference projection film by receiving the surface setting of the external light, and filter at least part of the external light.
- the vehicle projection film can perform light scattering, and the diffusion or microstructure of the substrate layer can reasonably distribute the transmittance, reflectance, and scattering rate of the incident projection light on the surface of the transparent projection film, and the projection film.
- the light transmittance is not lowered, a stereoscopic effect in which the projection image is suspended in the air is produced, and the imageability is improved.
- the film can be switched between transparency and atomization, and the film attached to the mirror during the day is atomized. This avoids the influence of sunlight reflection on the driver of the rear car and does not affect the driving safety of the rear car.
- Figure 1 is a schematic view of a projection film for a vehicle according to the first embodiment
- FIG. 2 is a schematic view showing the imaging of a projection film for a vehicle according to the first embodiment
- Figure 3 is a schematic view of a projection film for a vehicle according to the second embodiment
- FIG. 4 is a schematic view showing the imaging of a projection film for a vehicle according to the second embodiment
- Figure 5 is a projection flow chart of the first and second embodiments.
- the first embodiment provides a method for using a projection film for a vehicle.
- the holographic transparent projection film of a commercially available transparent material is used as a base film, and the color transparency is less than 55% by printing on the projection film by a micro printing process.
- White circular pattern as shown in Figure 1.
- the spacing between the circular patterns is 5cm, and the diameter of each circle is 5cm. (The pattern can be changed according to the needs of use, and the pitch and the length and width of the pattern are adjusted by any one.) All the circles After being uniformly printed on the projection film in a matrix, the projection film is attached to the rear window of the vehicle, and the projector is mounted and projected in the direction shown in FIG.
- the server/cloud locates the projection device
- the area where the projection device is located is determined, and the video selection is performed.
- the video is transmitted to the projection device through the 3G/4G network, and the projection device displays the video. Projection.
- the film is a double-sided transparent film, a pedestrian or driver at the rear of the vehicle can view a projection video such as an advertisement by observing the rear window of the vehicle.
- the second embodiment provides a method for using a projection film for a vehicle.
- the holographic transparent projection film of a commercially available transparent material is used as a base film, and a three-dimensional circular pattern is engraved on the projection film by a micro-molding process, as shown in FIG. 3 . Shown.
- the spacing between the circular patterns is 5 cm, and the diameter of each circular shape is 5 cm. All the circular shapes are micro-engraved on the projection film in a matrix manner, and the projection film is attached to the rear of the vehicle. On the window, mount the projector in the direction shown in Figure 4.
- the server/cloud locates the projection device
- the area where the projection device is located is determined, and the video selection is performed.
- the video is transmitted to the projection device through the 3G/4G network, and the projection device displays the video. Projection.
- the pattern on the film is a three-dimensional shape, when the projector is mounted at a position with an angle of 45°, a stereoscopic image similar to that suspended outside the glass is exhibited, and the base film is double based on the base film.
- the characteristics of the transparent film, the pedestrian or driver behind the car can watch the projection video such as advertisements by observing the rear window of the car.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
一种车用投影膜的使用方法，其特征在于：将车用投影膜贴附于车窗玻璃上，投影设备向所述车用投影膜投射影像后，所述车用投影膜通过将图像反射到车窗玻璃的表面，从而在车窗玻璃上成像；其中，所述车用投影膜，以透明材质的投影膜作为底膜，在其上设置平面和/或立体图案。在该方法中，对上述膜的表面进行了微型印刷或微型造型处理，使车内或车外的投影设备投射的大部分光能够停留在膜的表面，并且使投影设备投射的像在膜上显现，由于膜贴合在汽车车窗上，进而使得投影设备投射的像在车窗上显现，进而将汽车车窗变成一块投影幕布。
Description
本发明涉及汽车电子光学领域，具体地，涉及一种车用投影膜的使用方法。
随着汽车行业的发展，汽车的使用越来越普及，汽车周边产品的研发和应用越来越受到人们重视，汽车广告的需求也越来越大，目前国内市场上的广告还集中在PET膜或者粘纸等粘贴在汽车后车窗玻璃或者粘贴到汽车外壳上，此类广告是无法实时更新，材料也无法重复利用，每次更换需要耗费大量人力、物力、时间。车载电子屏广告可以实时更换、重复利用，但传统的LED屏功耗大、分辨率低、成像粗糙，并且屏幕均为不透材质，对司机视线也有一定影响，过于集中的传统LED灯广告也是城市光污染的主要原因之一。车窗广告的智能化、柔和化是户外流动媒体发展的大势所趋。
现有的投影膜成像系统，一般利用电脑、传统投影机及全息投影膜等设备来实现，但易受环境光影响，因此，一般需要较高亮度的投影机，且需要光线较暗的场合使用，才能获得较佳的效果。由此，极大限制了投影膜的成像应用方式。
传统投影膜，从未在汽车这样的载体上使用过，所以传统投影膜未考虑过高低温、震动、高湿度、高灰尘度等营运车辆环境下的设计和使用。
发明内容
本发明提供了一种既不影响汽车车窗的正常功能，又能将投影设备投射的图像显现出来的膜，通过膜与汽车车窗的贴合，将汽车车窗变成一个投影幕布， 投影设备可以在车窗上投射图像。
本发明提供的一种车用投影膜的使用方法，其特征在于：将车用投影膜贴附于车窗玻璃上，投影设备(该投影设备可安装于车内的任一位置，一般安装于投影膜对向的位置)向上述车用投影膜投射影像后，上述车用投影膜通过将图像反射到车窗玻璃的表面，从而在车窗玻璃上成像；
其中，上述车用投影膜，以透明材质的投影膜作为底膜，在其上设置平面和/或立体图案。
即、在本发明中，通过将投影机投射出的光成像的膜贴在车窗上，再用投影机照射这张膜，使得投影机要投射的图像在膜上成像，由于膜与车窗紧密的贴合在一起，所以，使得车窗也具备了成像功能。
该透明材质的投影膜可选用市售的任意具有柔韧性，且透明度佳的投影膜，如：全息投影膜，全息透明背投自粘膜等。
该图案可以为任一几何图形或非几何图形的图案，其覆盖的面积和每个图案的大小均可根据使用的需要进行调整。
通过膜上图案排布及间距，图案涂料颜色和透光度的不同，来实现在车窗上驻留光。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点：即、以微型印刷工艺，在投影膜上印刷上，非透明的平面图案。
由于此类图案非完全透光的设置，当其印刷于透明底膜上后，可通过色彩对光吸收和反射的差异，使投影于其上的图像出现驻留效果，从而实现图像的延时；同时，由于此时的底膜并非全透明的结构，使其受环境光的影响变小，由此，可降低投影机的投影亮度，且在阳光强烈的白天也可正常使用投影成像的效果。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点：即、以微型造型工艺，在投影膜上雕刻出立体图案。
由于此类图案由于其立体的特性，可在透明底膜上呈现凹凸的效果，进而在光照的情况下，形成明暗交替的视觉效果，由此，可延长图像的滞留时间，同时，通过底膜的凹凸造型，在投影机进行一定角度投影的基础上，所形成的图像还可实现悬浮于空中的立体感。
如：选用与投影膜呈15-60°角、25-100cm距离进行投影的情况下，可呈现立体的效果。当然，根据车型和投影距离的不同，上述角度还可随环境的差异进行调整。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点：即、上述图案以矩阵的方式均布于投影膜上。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点：即、上述图案与图案之间的间距为0.1-5厘米。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点：即、上述图案的厚度或深度为1-100μm。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点：即、上述图案的颜色为光反射率>75％的色彩。一般为浅色系，如：白色、粉红、粉蓝、粉黄等颜色。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点：即、上述底膜为电控膜。
即、膜可以在透明和雾化之间转换，例如：白天贴在反射镜上的膜雾化，这样就避免了阳光反射对后车司机的影响，不会对后车的行驶安全造成影响。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点： 即、上述投影膜上设有防紫外、和/或防爆、和/或隔热涂层/结构。
进一步地，本发明提供的一种车用投影膜的使用方法，还具有这样的特点：即、上述投影膜的至少一个表面上设有透明保护膜。
本发明的作用和效果：
本发明提供了一种投影膜的使用方法，在本发明的方法中，选用透明材质的、有一定韧性的柔软的膜，该膜可以贴合在汽车车窗的内侧，与车窗结合成一体；该膜透明，不影响司机通过贴有该膜的车窗观察车外情况；该膜具有一定的防紫外线和隔热防爆功能，且可以滤过部分光线，直接在上面进行成像。在本发明的方法中，对上述膜的表面进行了微型印刷或微型造型处理，使车内或车外的投影设备投射的大部分光能够停留在膜的表面，并且使投影设备投射的像在膜上显现，由于膜贴合在汽车车窗上，进而使得投影设备投射的像在车窗上显现，进而将汽车车窗变成一块投影幕布。
此外，在本发明中，通过投影成像膜与车窗的结合，借助具备3/4G数据功能与云端管理的智能投影设备的投放，将汽车车窗变成一块广告屏，进而讲汽车变成一个流动的广告屏载体，可以实现广告的云端实时投放、地理位置的自动投放等功能。这种膜和投影设备与汽车和汽车车窗的结合可以长期使用，不需要经常更换，维护简单、管理便捷。
此外，该双向可视膜的至少一个表面设有透明保护膜，能通过接收外界光的表面设置来降低外界光干扰的投影膜，过滤至少部分外界光。
此外，在本发明中，该车用投影膜，能够进行光散射，基材层的扩散或者微结构使入射投影光在透明投影膜表面的透射率、反射率和散射率能够合理分布，投影膜透光率不降低的情况下，制造出投影成像悬浮于空中的立体感，成 像性变好。
此外，在本发明中，通过利用车内有限空间，利用光的反射延长光路，获得一个较大投影画面，膜可以在透明和雾化之间转换，白天贴在反射镜上的膜雾化，这样就避免了阳光反射对后车司机的影响，不会对后车的行驶安全造成影响。
附图1、本实施例一涉及的车用投影膜的示意图；
附图2、本实施例一涉及的车用投影膜的成像示意图；
附图3、本实施例二涉及的车用投影膜的示意图；
附图4、本实施例二涉及的车用投影膜的成像示意图；
附图5、本实施例一和二涉及的投影流程图。
实施例一、
本实施例一提供了一种车用投影膜的使用方法，以市售的透明材质的全息透明投影膜作为底膜，以微型印刷工艺，在投影膜上印刷上，色彩透明度为小于55％的白色圆形图案，如图1所示。
各圆形图案之间的间距为5cm，每个圆形的直径为5cm，(根据使用需求的不同，该图案可进行变化，间距和图形的长度宽度均为任一的调节)所有的圆形以矩阵的方式均布的印刷于投影膜上后，将该投影膜贴附于本车的后车窗上，将投影仪如图2所示的方向进行安装投影。
如图5所示，当服务器/云端对投影设备进行定位后，确定投影设备所在的 区域，进行播放视频的选择，完成选择后通过3G/4G网络将视频传送至投影设备，投影设备就该视频进行投影。
如图2所示，由于膜为双面透明膜，在本车后方的行人或司机可通过观察本车的后车窗来观看广告等投影视频。
实施例二、
本实施例二提供了一种车用投影膜的使用方法，以市售的透明材质的全息透明投影膜作为底膜，以微型造型工艺，在投影膜上雕刻出立体圆形图案，如图3所示。
各圆形图案之间的间距为5cm，每个圆形的直径为5cm，所有的圆形以矩阵的方式均布的微雕刻于投影膜上后，将该投影膜贴附于本车的后车窗上，将投影仪如图4所示的方向进行安装投影。
如图5所示，当服务器/云端对投影设备进行定位后，确定投影设备所在的区域，进行播放视频的选择，完成选择后通过3G/4G网络将视频传送至投影设备，投影设备就该视频进行投影。
如图4所示，由于膜上的图案为立体造型，当将投影仪安装于夹角为45°的位置时，呈现出类似于悬浮于玻璃外的立体图像视感，基于该底膜为双面透明膜的特点，在本车后方的行人或司机可通过观察本车的后车窗来观看广告等投影视频。
Claims (10)
- 一种车用投影膜的使用方法，其特征在于：将车用投影膜贴附于车窗玻璃上，投影设备向所述车用投影膜投射影像后，所述车用投影膜通过将图像反射到车窗玻璃的表面，从而在车窗玻璃上成像；其中，所述车用投影膜，以透明材质的投影膜作为底膜，在其上设置平面和/或立体图案。
- 如权利要求1所述的一种车用投影膜的使用方法，其特征在于：以微型印刷工艺，在投影膜上印刷上，非透明的平面图案。
- 如权利要求1所述的一种车用投影膜的使用方法，其特征在于：以微型造型工艺，在投影膜上雕刻出立体图案。
- 如权利要求1所述的一种车用投影膜的使用方法，其特征在于：所述图案以矩阵的方式均布于投影膜上。
- 如权利要求1所述的一种车用投影膜的使用方法，其特征在于：所述图案与图案之间的间距为0.1-5厘米。
- 如权利要求1所述的一种车用投影膜的使用方法，其特征在于：所述图案的厚度或深度为1-100μm。
- 如权利要求1所述的一种车用投影膜的使用方法，其特征在于：所述图案的颜色为光反射率>75％的色彩。
- 如权利要求1所述的一种车用投影膜的使用方法，其特征在于：所述底膜为电控膜。
- 如权利要求1-8任一所述的一种车用投影膜的使用方法，其特征在于：所述投影膜上设有防紫外、和/或防爆、和/或隔热涂层/结构。
- 如权利要求1-9任一所述的一种车用投影膜的使用方法，其特征在于：所述投影膜的至少一个表面上设有透明保护膜。
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| CN103529634A (zh) * | 2013-09-16 | 2014-01-22 | 上海昊楠实业有限公司 | 点状建筑玻璃幕墙投影成像膜 |
| JP2016012117A (ja) * | 2014-06-02 | 2016-01-21 | 旭硝子株式会社 | 映像投影窓 |
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| CN106468849A (zh) * | 2015-08-20 | 2017-03-01 | 嘉兴市全程信息科技有限公司 | 一种全息膜成像系统及方法 |
| CN107765428A (zh) * | 2017-03-21 | 2018-03-06 | 上海碧虎网络科技有限公司 | 一种车用投影膜的使用方法 |
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| EP2624041A1 (fr) * | 2012-02-03 | 2013-08-07 | Thales | Projecteur optique a écran de projection semi-transparent |
| CN103529634A (zh) * | 2013-09-16 | 2014-01-22 | 上海昊楠实业有限公司 | 点状建筑玻璃幕墙投影成像膜 |
| JP2016012117A (ja) * | 2014-06-02 | 2016-01-21 | 旭硝子株式会社 | 映像投影窓 |
| CN106468849A (zh) * | 2015-08-20 | 2017-03-01 | 嘉兴市全程信息科技有限公司 | 一种全息膜成像系统及方法 |
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