EP2336632B1 - Signalvorrichtung für Fahrzeuge mit 3D-Effekt - Google Patents

Signalvorrichtung für Fahrzeuge mit 3D-Effekt Download PDF

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Publication number
EP2336632B1
EP2336632B1 EP20100193490 EP10193490A EP2336632B1 EP 2336632 B1 EP2336632 B1 EP 2336632B1 EP 20100193490 EP20100193490 EP 20100193490 EP 10193490 A EP10193490 A EP 10193490A EP 2336632 B1 EP2336632 B1 EP 2336632B1
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EP
European Patent Office
Prior art keywords
light
rays
screen
cavity
reflector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20100193490
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English (en)
French (fr)
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EP2336632A1 (de
Inventor
Christophe Dubosc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
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Valeo Vision SAS
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Publication date
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Publication of EP2336632A1 publication Critical patent/EP2336632A1/de
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Publication of EP2336632B1 publication Critical patent/EP2336632B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/10—Combinations of only two kinds of elements the elements being reflectors and screens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/239—Light guides characterised by the shape of the light guide plate-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/247—Light guides with a single light source being coupled into the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/20—Direction indicator lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/35—Brake lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/20—Electroluminescent [EL] light sources

Definitions

  • the invention relates to a signaling device, in particular for a motor vehicle.
  • a signaling device in particular for a motor vehicle.
  • This is for example a traffic light, a blinker, arranged at the front or rear of the vehicle, or a position light or a brake light.
  • a lantern comprising a cavity formed by a reflector and a screen disposed at a distance from the reflector.
  • the screen has the particularity of being semi-reflective, that is to say that part of the light rays that meet it is reflected and another part is transmitted.
  • the cavity has the particularity that one of the surfaces of the reflector and the screen which delimit the cavity is curved.
  • a series of light-emitting diode-type light sources are disposed at the periphery of the reflector and oriented so as to emit light generally towards the screen.
  • part of the light rays is directly transmitted and a part is reflected towards the reflector.
  • the latter then reflects these rays towards the screen with an offset directed towards the center of the reflector.
  • These rays reflected by the reflector meet the screen again.
  • part of the rays is transmitted by the screen and a part is reflected towards the reflector and so on. It results from these multiple partial transmissions and partial reflections an optical effect of depth in three dimensions.
  • the power of illumination or illumination of the light rays emitted gradually decreases as reflections in the cavity. This optical effect is interesting because it allows a customization of the lantern attracting the attention of other motorists.
  • the lantern also allows the concealment of the lantern in a body element, such as a bumper or a motor vehicle wing. It also allows the realization of a signaling device of small thickness and small footprint compared to the effect of depth generated.
  • the semi-reflective nature of the screen is obtained by the application of a metal covering which can give it a metallized appearance similar to that of a bodywork element.
  • the teaching of this document however has a major disadvantage namely the treatment of the screen intended to make it semi-reflective.
  • the metal layer applied on the screen will result in a portion of the rays from the light sources will be transmitted (not to mention the losses inherent in the screen material). The rate of reflection and transmission can vary and will be directly dependent on the application of the metal layer.
  • the lantern equipped with a standard power light source may not fulfill the photometric conditions required by the legislation for a signaling function, and may also cause a difference in appearance between the left and right position lights of the vehicle.
  • the object of the invention is to propose a signaling device that is simple to produce and inexpensive while being able to fulfill the legal photometric requirements.
  • This measurement makes it possible to generate, with the light rays not meeting the partially reflective and partially transparent (that is to say semi-reflective) portion of the screen, a luminous image capable of ensuring the photometric function of the device while enabling the another part (essentially the remaining part) of the light rays to undergo a partial transmission game (with loss) and partial reflection which will generate repeating images similar to the main image and of progressively smaller size.
  • the invention thus makes it possible to very simply produce a first light image providing the signaling function from a photometric point of view, and a series of corresponding images with a 3D effect ensuring a customization of the device.
  • the power level of the necessary light sources remains reasonable and the tolerances associated with the processing of the screen to make it semi-reflective can remain wide.
  • 20 to 60% of the rays reaching the semi-reflective zone are reflected.
  • the screen comprises a substantially transparent zone through which the second portion of the light rays passes.
  • the transparency of the essentially transparent zone is such that at least 80% of said radii are transmitted.
  • the essentially transparent zone reflects the rays less than the semi-reflective zone. Preferentially, less than 4% of the rays reaching this zone are reflected.
  • the essentially transparent zone of the screen is at the right of at least a portion of the light rays penetrating the cavity. This is the simplest construction a priori of the invention.
  • the screen comprises a partially reflecting coating on at least one of its surfaces, the zone essentially transparent said screen being devoid of said coating.
  • a preferred mode is a method of masking the non-metallized portion of the screen prior to metallization.
  • the metallization is carried out by evaporation under vacuum.
  • Another advantageous embodiment consists in applying a coating to the screen and then removing this coating on the intended part. to be transparent, preferably by application of a laser beam.
  • the screen is configured so as not to extend to the right of at least a portion of the light rays penetrating the cavity.
  • the screen is smaller in size.
  • the light rays penetrating the cavity are distributed around a surface so that the portion of said light rays which is partially reflected and transmitted by the screen and reflected by said reflector in said cavity is generally towards the center of the surface.
  • the device comprises at least one light guide capable of transmitting the second portion of the light rays of one or more light sources through at least a portion of the cavity and so as to pass out of the cavity at the height of the screen out of the semi-reflective area.
  • the use of a light guide gives a certain freedom and flexibility in the dimensioning of the device.
  • the light guide comprises a generally loop-shaped portion, preferably closed, intended to be arranged around the reflector.
  • the light source support is remote from the cavity and the device comprises means for guiding the light rays emitted by the light source to the cavity.
  • the device is a vehicle signaling device, the configuration of the screen and light sources. being made so that said second part of the light rays makes it possible to satisfy the photometric conditions required for the realization of an automotive signaling function.
  • FIG. figure 1 A signaling device 2 according to a first embodiment of the invention is illustrated in FIG. figure 1 .
  • the signaling device 2 is intended to emit a light beam in a direction X to a space disposed above the device.
  • This expression "above” is related to the orientation of the device in the figure and is to be interpreted in a relative manner because it depends on the orientation of the device when it is in operation.
  • the device is generally mounted so as to emit its light beam in a generally horizontal direction directed towards the front or rear of the vehicle according to the mounting of the device at the front or rear of the vehicle. It should be noted, however, that other orientations can be envisaged depending on the signaling function of the device. This remark is valid for the various embodiments illustrated.
  • the signaling device 2 comprises a housing 4 which itself comprises a support 16 for a series of point light sources 14. These light sources may be of the electroluminescence diode type or any other type of known light source. These point light sources 14 are distributed on the support 16 so as to form a general shape of rectangle. They are arranged so that their main axis of illumination is oriented approximately in the direction illustrated by the arrow of the figure 1 , namely the main direction of lighting.
  • the device also comprises a reflector 10 disposed above the support 16, or between the support 16 and the space to which the device emits its light beam.
  • the reflector comprises a series of orifices 12 arranged in line with the light sources 14 along their main illumination axis.
  • the reflector has a reflective surface directed towards the space to be illuminated.
  • the device 2 also comprises a screen 7 arranged above (according to the orientation of the figure 1 ) of the reflector 10, or between the reflector 10 and the space to be illuminated, at a distance from the reflector.
  • the screen 7 and the reflector 10 form a cavity 5 delimited essentially by the reflective surface of the reflector 10 and the internal surface of the screen 7. This internal surface is, in this case embodiment, generally flat.
  • the screen has a semi-reflective central portion 6 and a transparent peripheral portion 8.
  • a portion of the light rays emitted by the light sources is transmitted directly to the space to be illuminated by this transparent part 8 of the screen 7 and another part, essentially the remaining part, is partially reflected and partially reflected by the semi-transparent part.
  • reflective 6 of the screen 7 disposed near the transparent portion 8 of the screen.
  • the reflected part then meets the reflective surface of the reflector 10 and is thus substantially totally reflected, some of these reflected rays will then be transmitted and others will be reflected again by the semi-reflective portion 6 of the screen, and thus right now.
  • the rays transmitted by the transparent portion 8 undergo very little or no loss.
  • the part of the rays that undergo the play of reflection and partial transmission will generate an optical effect of depth.
  • This optical mechanism is illustrated in figure 1 , from the light source on the right side.
  • the light rays emitted directly from the light source pass through the screen with very little loss. They are illustrated by the broken lines referenced 18.
  • some of these rays meet the semi-reflecting portion 6 of the screen.
  • a portion of the light rays 20 meeting the semi-reflecting portion preferably more than 4% of the rays meeting this surface, is reflected to the reflector by the screen. This reflected part is then totally or almost totally reflected towards the screen by the reflective surface.
  • Reflector 10 is illustrated at figure 2 which is a sectional view along the AA axis of the figure 1 .
  • the series of orifices 12 arranged in an outline generally corresponding to a rectangle.
  • the light sources 14, in this example of the light-emitting diodes, are at the right of these orifices.
  • the figure 3 which is an elevational view of the operative device illustrates the image of the rays emitted by the signaling device.
  • the rays transmitted directly by the transparent part of the screen form points 24 according to an outer contour (delimited by the dashed lines). These rays provide the signaling function of the device from a photometric point of view. Indeed, they come directly from a large part, preferably more than 50%, rays emitted by light sources, and are transmitted with almost no loss.
  • the rays transmitted by the semi-reflecting part form points of similar geometry but of smaller size and repeating towards the center of the device. These rays ensure the visual appearance and thus the signature function to the device giving it its individual character.
  • the level of illumination provided by this part is substantially lower because of the semi-reflective nature of the lens through which they pass.
  • the screen can be made of a commonly used transparent material such as certain plastics or glass.
  • One of its surfaces, the outer or inner surface, is made semi-reflective by applying a typically partially reflective coating.
  • the coating is usually a metal coating such as aluminum or a stainless metal applied by vapor deposition technique and under vacuum. Various coating application methods known to those skilled in the art can be used.
  • the coating reflection rate is for example between 20% and 60%.
  • the transparent portion 8 of the screen 7 is devoid of coating.
  • a preferred mode for forming the transparent portion of the screen is to make a local removal of the coating previously applied to the screen, and this by applying a laser beam.
  • a second embodiment of the invention is illustrated in Figures 4 to 6 . It differs from the first mode essentially in that a light guide 115 is used instead of the light source series of the first embodiment.
  • a light source 114 is disposed near the light guide 115 so as to supply light rays.
  • a single light source has been shown for simplicity of presentation of the invention. However, it is clear that it is conceivable to use several light sources according to various sizing parameters of the device.
  • the light source or sources can be of different types: light emitting diode, conventional incandescent lamp, ...
  • the light guide 115 has a diffusion ring disposed opposite a corresponding opening ring 112 formed in the reflector 110 The light guide 115 will then emit the light rays coming from the light source 114 into the cavity 105 in the direction of the screen 107.
  • the ring-shaped opening at the reflector 100 is clearly visible at the figure 5 which is a sectional view along the BB axis of the figure 4 .
  • the optical phenomena are similar to those of the first embodiment, with the difference that the image produced.
  • the illumination image of the device is illustrated at figure 6 which is an elevation view of the device of the figure 4 when the latter is in operation. It can be observed that the light rays coming directly from the light guide form a continuous contour 124 of a level of illumination or illumination power capable of ensuring the photometric function of the device. This image 124 is reproduced several times by the contours 126 having a progressively smaller size towards the center of the device. These images 126 provide the signature or individual function of the device.
  • a third embodiment is illustrated in Figures 7 and 8 . It differs from the second embodiment essentially in that the light guide 1015 is configured to protrude from the reflector 1010 and have beveled end surfaces.
  • the light of the light source 1014 enters the light guide by its lower face.
  • the guide having on its upper face a conical depression pointing downwards, the rays are reflected laterally in the thickness of the guide and propagates by internal reflection, to a beveled end surface. Reflecting on the bevelled surface, the rays are sent to the cavity and out of the light guide.
  • the latter has no orifice or opening but is simply arranged on the light guide. The latter ensures the transmission of light from one or more light sources to the cavity.
  • the light source (s) may be disposed at a distance from the cavity (1005) as long as the light guide transmits the light rays to the cavity.
  • the optical phenomena are identical to those of the second embodiment.
  • the illumination image is similar to that of the second embodiment. It is observed that the device according to the invention makes it possible to generate different image forms.
  • FIGS. Figures 9 and 10 possible images are illustrated in FIGS. Figures 9 and 10 .
  • the outer contour 24 is of a level of lighting power substantially greater than that of the inner contours 26.
  • the arrangement of the light sources and / or the optical guide and the screen have have been made to generate an oval aspect repeating towards the center ( figure 9 ), a triangle aspect repeating towards the center ( figure 10 ).
  • the shape of the signal 24, 124, 1024 is repeated several times approaching the center but with an intensity and a size that decreases towards the center, thus conferring an illusion of depth of the device .
  • Each repetition 26, 126, 1026 is in the image of the appearance of the zone generating the shape of the signal 24, 124, 1024, thus also making it possible to reinforce the perceptibility of the signal sent.
  • this signaling device can be a stop light.
  • the device can be made in such a way that the light intensity of the sources is proportional to the intensity of the braking. In this case, depending on the intensity of braking we will have a quantity of multiple reflections more or lower. Thus the higher the braking, the more the patterns of the signal will be repeated towards the center and the repetition of the signal will have depth. Braking information is better transmitted to other drivers.
  • This device can also be a position rear light or a turn signal.
  • the light rays penetrating the cavity do not necessarily have to form a continuous contour and a closed contour.
  • spot or concentrated beams at certain points of an outline make it possible to obtain the combination of effects according to the invention.
  • the outline could be open in the shape of a U. It could also consist of a series of points of higher brightness connected by a continuous contour of lower brightness.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
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Claims (11)

  1. Lichtsignalgebungsvorrichtung (2; 102; 1002) insbesondere für Kraftfahrzeuge, die einen Raum mit einer Hauptbeleuchtungsachse zu beleuchten vermag, mit:
    einem Reflektor (10; 110; 1010) mit einer Reflexionsfläche, die solchermaßen ausgerichtet ist, dass sie dem zu beleuchtenden Raum gegenüberliegt;
    einer Blende (7, 107, 1007), die dem Reflektor gegenüber zwischen diesem und dem zu beleuchtenden Raum angeordnet ist, wobei die Blende einen halbreflektierenden Bereich aufweist; wobei die Blende mit Abstand von dem Reflektor angeordnet ist und mit dem Reflektor eine Höhlung (5; 105; 1005) bildet, deren wenigstens eine von der Blende oder dem Reflektor gebildete Seite gewölbt ist;
    einem Träger (16; 116; 1016) einer Lichtquelle (14; 114; 1014), der so ausgebildet ist, dass die Lichtstrahlen der Lichtquelle in die Höhlung in einer zu dem zu beleuchtenden Raum weisenden Hauptrichtung eindringen, wobei ein Teil der Lichtstrahlen auf den halbreflektierenden Bereich trifft, einige der Lichtstrahlen durch den halbreflektierenden Bereich durchgelassen werden und andere Lichtstrahlen durch den halbreflektierenden Bereich und anschließend durch den Reflektor so in die Höhlung reflektiert werden, dass eine wiederholte optische Tiefenwirkung erzeugt wird;
    dadurch gekennzeichnet, dass die Lichtstrahlen ein erster Teil der von der Lichtquelle emittierten Lichtstrahlen sind, wobei die Blende (7; 107; 1007) bezüglich der Lichtemissionsrichtung der Lichtquelle solchermaßen ausgebildet und angeordnet ist, dass ein zweiter Teil der von der Lichtquelle emittierten Lichtstrahlen in Höhe der Blende aus der Höhlung austritt, ohne hierbei auf den halbreflektierenden Bereich zu treffen.
  2. Signalgebungsvorrichtung nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass die Blende einen im Wesentlichen lichtdurchlässigen Bereich aufweist, durch den der zweite Teil der Lichtstrahlen hindurchtritt.
  3. Signalgebungsvorrichtung nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass die Lichtdurchlässigkeit des im Wesentlichen lichtdurchlässigen Bereichs derart ist, dass weniger als 4 % der diesen Bereich erreichenden Lichtstrahlen reflektiert werden.
  4. Signalgebungsvorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass sich der im Wesentlichen lichtdurchlässige Bereich der Blende (7; 107; 1007) rechtwinklig zu wenigstens einem Teil der in die Höhlung (5; 105; 1005) eindringenden Lichtstrahlen erstreckt.
  5. Signalgebungsvorrichtung nach einem der Ansprüche 2 bis 4,
    dadurch gekennzeichnet, dass die Blende (7; 107; 1007) eine teilreflektierende Beschichtung auf wenigstens einer ihrer Flächen aufweist, wobei der im Wesentlichen lichtdurchlässige Bereich der Blende (7; 107; 1007) keine Beschichtung aufweist.
  6. Signalgebungsvorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, dass die Blende (7; 107; 1007) solchermaßen ausgebildet ist, dass sie sich nicht rechtwinklig zu wenigstens einem Teil der in die Höhlung (5; 105; 1005) eindringenden Lichtstrahlen erstreckt.
  7. Signalgebungsvorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die in die Höhlung (5; 105; 1005) eindringenden Lichtstrahlen solchermaßen um eine Fläche verteilt sind, dass der Teil der Lichtstrahlen, der von der Blende (7; 107; 1007) teilweise reflektiert und hindurchgelassen und vom Reflektor (10; 110; 1010) in die Höhlung reflektiert wird, allgemein zur Mitte der Fläche gerichtet ist.
  8. Signalgebungsvorrichtung nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass sie wenigstens einen Lichtleiter (115; 1015) umfasst, der den zweiten Teil der Lichtstahlen einer oder mehrerer Lichtquellen durch wenigstens einen Teil der Höhlung zu übertragen vermag, derart, dass er in Höhe der Blende (7; 107; 1007) außerhalb des halbreflektierenden Bereichs verläuft.
  9. Signalgebungsvorrichtung nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass der Lichtleiter (1015) einen Teil allgemein in Form einer vorzugsweise geschlossenen Schleife aufweist, die dazu bestimmt ist, um den Reflektor herum angeordnet zu sein.
  10. Signalgebungsvorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der Träger (16; 116; 1016) der Lichtquelle von der Höhlung (5; 105; 1005) beabstandet ist und die Vorrichtung Mittel (115; 1015) zum Leiten der von der Lichtquelle emittierten Lichtstrahlen bis zur Höhlung umfasst.
  11. Signalgebungsvorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass es sich um eine Signalgebungsvorrichtung für Fahrzeuge handelt, wobei die Blende und die Lichtquellen solchermaßen ausgebildet sind, dass der zweite Teil der Lichtstrahlen den Anforderungen an die Lichtverteilung zu genügen erlaubt, die zur Ausführung einer Signalgebungsfunktion für Kraftfahrzeuge erforderlich sind.
EP20100193490 2009-12-21 2010-12-02 Signalvorrichtung für Fahrzeuge mit 3D-Effekt Active EP2336632B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0959286A FR2954457B1 (fr) 2009-12-21 2009-12-21 Dispositif de signalisation pour vehicule avec effet optique 3d

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FR2954457A1 (fr) 2011-06-24
EP2336632A1 (de) 2011-06-22
US8475020B2 (en) 2013-07-02
CN102121655A (zh) 2011-07-13
JP5902387B2 (ja) 2016-04-13
FR2954457B1 (fr) 2014-08-22
US20110149585A1 (en) 2011-06-23
CN102121655B (zh) 2015-08-05
JP2011146376A (ja) 2011-07-28

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