• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Lighting system (6) for vehicle, adapted to be integrated in a housing (7) closed by a transparent window (8) and an image projection device (9) arranged to be able to project one or more images ( 10), animated or not, on a rear projection screen disposed between the projection device and the window (8).
    公开号:FR3034728A1
    申请号:FR1553133
    申请日:2015-04-10
    公开日:2016-10-14
    发明作者:Gilles Moynier；Bertrand Deguines；Xavier Copin
    申请人:Peugeot Citroen Automobiles SA；
    IPC主号:
    专利说明:

    [0001] The present invention relates generally to the illumination of vehicles and more particularly relates to a lighting system for a motor vehicle. [0002] Lighting system means any integrated light system or coupled to a lamp or headlamp / headlamp of a vehicle enabling the vehicle to be seen by persons outside the vehicle. Such signaling systems are usually integrated in projectors at the front of the vehicle, to perform functions called DRL daytime running lights, position lights, direction indicator lights ..., and in 10 lights at the front of the vehicle. rear of the vehicle to perform functions called position lights, brake lights, direction indicator lights, fire (s), ...). [0004] When they are integrated in the projectors, they coexist with the road lighting functions such as the high beam, crossover, etc. headlamps. The headlamps and fires generally consist of a box enclosing one or more light sources emitting their light beams towards the outside of the vehicle through a transparent, impact-resistant, colored or non-transparent window. A mask is also provided to hide some technical parts or, on the contrary, to highlight them, as well as hubcaps reported on the masks and / or the case to emphasize the design of the headlamps and lights. And it is the arrangement of these different functions inside the case and the shape of the case, the mask, the glass, its color and the location of the light sources inside the case that define the optical signature of a vehicle. This signature must differentiate itself from the other signatures so as to be able to identify for sure the brand of the vehicle or even the model of the vehicle of the mark, day or night. [0008] This implies redesigning new traffic lights to each new vehicle model even within the same brand and therefore a great diversity. [0009] The costs of developing such fires are therefore regularly to be reconsidered. in the costing of a motor vehicle and spare parts. FIG. 1 illustrates a left rear light 1 of a motor vehicle 2. [0011 The window 3 (also called ice) of the light 1 is substantially flat and defines a portion of annular shape 4, roughly rectangular, inscribed in the surface. of the window 3. [0012] The central part 5 of the annular portion 4 of the light 1 supports in this example a reflex reflector but could also include other functions: stop light, change of direction indicator) [0013] known, the light 1 comprises one or more light sources with lamps or LEDs, not shown, arranged inside a housing, also not shown, supporting the window 3. The light sources illuminate the window 3 tinted with red color, from the inside. When the lighting system is switched on at night, the annular portion 4 is illuminated in red and the central portion 5 remains off (black) which enhances the contrast between the annular portion 4 and the central portion 5 of the fire 1 and thus brings out the annular portion 4. [0015] To obtain an optical signature other than that illustrated in FIG. 1, it is necessary to develop a new light: this implies the design of a new implantation of the lighting functions inside the case and therefore the manufacture of a new mold. The present invention aims to solve this problem by providing a lighting system adaptable to the type of vehicle and taste 5 of the vehicle owner. For this purpose, it has for its first object a vehicle lighting system, adapted to be integrated into a box closed by a transparent window and an image projection device arranged to be able to project one or more images. , animated or not, on a rear projection screen 10 disposed between the projection device and the window. According to one characteristic, the window has a first face and a second face, opposite to the first and oriented towards an observer located outside the lighting system, said first face being treated to define the rear projection surface of the rear projection screen capable of rendering the image or images, animated or not, on the second side. The second object of the present invention is a vehicle signaling light comprising a lighting system as described above wherein the one or more images are representative of standard signaling functions of a vehicle. The third subject of the present invention is a vehicle headlamp comprising a lighting system as described above in which the one or more images are representative of standard signaling functions of a vehicle. The present invention has for fourth object a transparent window 25 of a lighting system as described above wherein said first face is processed to define the rear projection surface of the rear projection screen adapted to restore the or images, animated or not, on the second side. The fifth subject of the present invention is a motor vehicle comprising at least one signaling light as described above. The present invention has for sixth object a motor vehicle comprising at least one projector as described above. The present invention is based on a rear projection system integrated into a projector or vehicle light comprising a rear projection screen and a projection device. [0025] A rear projection screen should not be confused with a projection screen. For this, we recall below the precise definitions of these two types of screen. The projection screens comprise two faces or surfaces: a main face on which is projected the image from a light source positioned in the same region of space as the light source (direct projection) and an opposite face on which appears possibly by transparency the image projected on the principal face. The so-called rear projection screens have a main face and an opposite face having the same characteristics as those of the aforementioned projection screens. On the other hand, a rear projection screen differs from a projection screen in that the observer and the light source are not located in the same region of the space but are on both sides of the screen. screen. The rear projection therefore necessarily place the projector behind the screen itself arranged at the rear of the projector glass or fire. At the rear of the window, we mean the area which for an observer observing the projector or the fire from outside the box, window oriented towards the observer, is located on the other side of the window. It is known in the prior art to project images onto a part of the windshield in order to carry out a function of the type VTH (Head Up Display) or HUD (Head Up Display). The windshield portion is then used rather as a direct projection screen. It is also known in particular from document DE202005003397U1, headlamp windows, or lights, which make it possible to display a pattern, such as a logo, on the surface of the window when the pattern is illuminated by a light beam. None of these systems can create images or even animations on the inner surface of the glass or a screen disposed in front of the glass inside a projector or a traffic light. motor vehicle with a great diversity in the choice of images and using a single screen consisting of the projector glass or fire, acting as a rear projection screen. [0033] Other features and advantages of the present invention will appear more clearly on reading the following detailed description of an embodiment of the invention given by way of non-limiting example and illustrated by the appended drawings. , in which: FIG. 1, already described, shows a vehicle rear light equipped with a lighting system according to the state of the art; FIG. 2 schematically illustrates a rear light of a vehicle equipped with a lighting system according to the invention; and FIGS. 3a to 3f respectively show examples of images that can be displayed on the window of a rear light or of the screen from the lighting system according to the invention. The example described below with reference to Figures 2 and 3, focuses on a signaling lighting system 6 which is used at the rear of vehicles to signal their presence on the road in a region not or 3034728 6 Low light and / or to signal the action or the intention of action of the driver on the behavior of the vehicle: braking, change of direction, recoil, ... but could find an application as daytime traffic light as well at the rear of the vehicle than at the front of the vehicle 5 associated with the projector. A lighting system 6 according to the invention is described schematically with reference to Figure 2. [0036] It is suitable for integration into a fire box 7, schematically delimited by a discontinuous closed line. It comprises a transparent window 8, supported by the housing 7, and an image projection device 9 arranged to be able to project one or more images 10, animated or not, on the inner face 81 of the window 8 making office of overhead projection. On the inside face 81 of the window 8 is meant the face of the window 8 which is facing the projection device 9 as opposed to the outer face 82 of the window 8 which is opposite an observer 11 located at the outside of the vehicle, and which renders, by transparency, the images displayed on the first face 81. In an application of a signaling lighting system as a rear light of a vehicle, it is necessary to comply with the standards in terms of luminous intensity. The standard in terms of illumination of the order of ten candelas for a rear light must be respected. This imposes a projection device 9 capable of attaining these illumination values and a translucent screen 8 capable of reproducing images of visual quality at least as good as those obtained with a standard signaling light for the observer 11 located outside the vehicle. The miniaturization of video projectors now allows to integrate a video projector into a smartphone. Such video projectors are sometimes referred to as "pico-projectors". It is therefore proposed to use a video projector 9 as an image projection device whose dimensions are compatible with the dimensions of a projector box 7 or a vehicle light. The screen 8 can be made in a simple manner from a treatment 5 of the inner face 81 of the window 8 so as to make it translucent. The term "opaline" also refers to the whitish appearance that such a translucent surface can take. Alternatively, the rear projection screen may be separate from the window and be disposed near the window 8 between the window 8 and the projector 10. [0042] A stream of images is for example transmitted to the video projector by a vehicle communication network such as the CAN network or any other communication network of a vehicle, or even by a wireless communication network, from a computer such as, for example, the computer of a computer. cockpit (BSI) which usually manages, among others, the lighting functions of the vehicle. The image and video files are for example stored in a memory (hard disk) of the calculator (BSI). Figures 3a to 3f illustrate different images that can be proposed to a customer at the time of the acquisition of a vehicle 20 in concession or after-sales if the customer wishes to change images and / or animation. [0044] FIG. 3a illustrates the restitution by the lighting system according to the invention of a first signaling image obtained by rear projection, similar to that obtained from a standard taillight, 25 it is that is to say a fire comprising one or more light sources with lamps or LEDs illuminating a tinted glass of red color (Figure 1). In this example, the image represents a form of annular fire, roughly rectangular which when the lighting system is off, 3034728 8 remains black and, when the lighting system is on, fills a color red wavelength and brightness remain consistent with those of a standard fire meeting the standards in the field. The image thus restored to an observer, located outside the vehicle, provides the same visual effect as the illumination provided by a standard light. In this example, the image is fixed but it is possible to vary the light intensity gradually or all or nothing. Likewise, the filling of the annular portion can be controlled so as to evoke a progressive filling of this annular portion. FIG. 3b illustrates an image composed of three concentric annular portions of the same color shade (red) and which can be lit simultaneously or shifted according to all the possible combinations. [0049] Figure 3c illustrates an animation based on a pattern of scrolling chains in a horizontal or vertical direction on a smooth or gradient image background. Figure 3d illustrates an image composed of three concentric annular portions. The outer and inner annular parts are similar in color (red) but with different shades / intensities. For example, the outer annular portion in bright red may correspond to the stop light function and the inner directory portion in dark red could correspond to the position light function or vice versa. The central annular portion is orange in color and corresponds to the function of the direction indicator lamp (flashing). FIG. 3e illustrates an image simulating a matrix screen with LEDs of the advertising panel type or the like, on which scrolls a pattern, here the logo of the mark of the vehicle. Finally, FIG. 3f illustrates a representative image of a road sign announcing a danger. [0054] Animations are also proposed to stage the different images to provide scalable and attractive lighting. It will be understood that the possibilities offered by the lighting system according to the invention are numerous and many other examples of images and animations can be used to participate in the visual attractiveness of the vehicle. The dealer can have a library of images 10 that can be made available on its website accessible by PC, tablet, or smartphone via dedicated applications with payment possibilities on demand directly from Smartphone using for example a barcode reader or any other means to validate a commercial transaction via his Smartphone. [0057] Thus, the lighting system according to the invention is accompanied by a service that enhances the basic technical service to make it an attractive commercial offer.
    权利要求:
    Claims (7)
    [0001]
    REVENDICATIONS1. Lighting system (6) for vehicle, adapted to be integrated in a housing (7) closed by a transparent window (8) and an image projection device (9) arranged to be able to project one or more images ( 10), animated or not, on a rear projection screen disposed between the projection device and the window (8).
    [0002]
    2. Lighting system (6) according to the preceding claim, characterized in that the window (8) has a first face (81) and a second face (82), opposite to the first and facing an observer 10 (11). ) located outside the lighting system (6), said first face (81) being processed to define the rear projection surface of the rear projection screen capable of restoring the image or images, animated or not, on the second face (82).
    [0003]
    A vehicle signaling light having a lighting system (6) according to one of claims 1 or 2 and wherein the one or more images (10) are representative of standard vehicle signaling functions.
    [0004]
    A vehicle headlamp comprising a lighting system (6) according to one of claims 1 or 2 and in that the one or more images (10) are representative of standard signaling functions of a vehicle.
    [0005]
    5. transparent window (8) of a lighting system (6) according to claim 2, characterized in that said first face (81) is processed to define a rear projection surface capable of restoring the image or images (10) , animated or not, on the second side (82). 25
    [0006]
    6. Motor vehicle with at least one traffic light according to claim 3.
    [0007]
    7. Motor vehicle comprising at least one headlamp according to claim 4.
    类似技术:
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    同族专利:
    公开号 | 公开日
    FR3034728B1|2018-08-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    WO2003056876A2|2001-12-14|2003-07-10|Digital Optics International Corporation|Uniform illumination system|
    FR2927858A1|2008-02-26|2009-08-28|Peugeot Citroen Automobiles Sa|Illuminating headlight for motor vehicle, has intermittent screen housed in case and interposed in fixed position on path of light beam delivered by optical module for blocking or releasing path when headlight is not in or in service|
    EP2503222A1|2011-03-15|2012-09-26|Odelo GmbH|Motor vehicle light and method for its operation|FR3067307A1|2017-06-13|2018-12-14|Peugeot Citroen Automobiles Sa|LIGHTING AND / OR SIGNALING DEVICE FOR A MOTOR VEHICLE COMPRISING MEANS FOR REFLECTING AN IMAGE|
    FR3068317A1|2017-07-03|2019-01-04|Psa Automobiles Sa|LIGHTING AND / OR LIGHT SIGNALING DEVICE COMPRISING A RETRACTABLE DISPLAY SYSTEM|
    EP3636992A1|2018-10-09|2020-04-15|ZKW Group GmbH|Motor vehicle light module|
    法律状态:
    2016-03-22| PLFP| Fee payment|Year of fee payment: 2 |
    2016-10-14| PLSC| Publication of the preliminary search report|Effective date: 20161014 |
    2017-03-22| PLFP| Fee payment|Year of fee payment: 3 |
    2018-03-22| PLFP| Fee payment|Year of fee payment: 4 |
    2018-06-29| CA| Change of address|Effective date: 20180312 |
    2018-06-29| CD| Change of name or company name|Owner name: PEUGEOT CITROEN AUTOMOBILES SA, FR Effective date: 20180312 |
    2020-03-19| PLFP| Fee payment|Year of fee payment: 6 |
    2021-03-23| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1553133A|FR3034728B1|2015-04-10|2015-04-10|LIGHTING SYSTEM FOR MOTOR VEHICLE|
    FR1553133|2015-04-10|FR1553133A| FR3034728B1|2015-04-10|2015-04-10|LIGHTING SYSTEM FOR MOTOR VEHICLE|
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