ES2911238A1 - Lighting system in lighting devices in vehicles, device that includes the lighting and vehicle system with said device (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Lighting system in lighting devices in vehicles, device that includes the lighting and vehicle system with said device. The present invention refers to a lighting system, which is installed in signaling devices for lighting in vehicles or, in general, vehicle lighting devices, within those found, for example the headlights, pilots or similar devices In vehicles, where the lighting system includes a secondary light guide that is installed by coupling the superimposed configuration of the different primary light guides, maintaining a constancy between the input and exit distances from the secondary guide with the elements with the elements contiguous, that is, of the mass guide from which the light enters and with respect to the light extraction surface of the lighting device. The invention also refers to the device that includes the lighting system, as well as the vehicle that includes the previous lighting device. (Machine-translation by Google Translate, not legally binding)

Description

DESCRIPTION

LIGHTING SYSTEM IN LIGHTING DEVICES IN VEHICLES,

DEVICE THAT INCLUDES THE LIGHTING SYSTEM AND VEHICLE WITH SUCH

DEVICE

The present invention refers to a lighting system, which is installed in lighting signaling devices in vehicles or, in general, lighting devices in vehicles, within which are, for example, headlights, pilot lights or similar devices. in vehicles.

The invention also refers to the device that includes the lighting system, as well as to the vehicle that includes the previous lighting device.

Background of the invention

The lighting systems of lighting devices installed in vehicles known in the state of the art, conventionally correspond to lighting systems of headlights or taillights, as well as other lighting devices used in vehicles. These currently known lighting systems, in addition to their conventional functions of lighting the road and signaling the vehicle and its maneuvers, currently perform auxiliary lighting functions, both aesthetic and interaction with the vehicle user and/or third parties. people.

In the same way, in the state of the art, lighting devices are known that take various forms, creating geometries that are illuminated thanks to the lighting systems they contain.

Both for the new functionalities incorporated in the lighting devices, as well as for the lighting of elongated geometry surfaces, the use of a continuous printed circuit board adapted to the new configuration and a high number of circuits is known in the state of the art. LED elements that cover the entire elongated geometry to be illuminated.

This solution proposed in the case of the previous configuration entails a high cost of device and, in addition, a high generation of heat, resulting in an increase in temperature of the lighting device, which makes it necessary to effectively dissipate this temperature and, therefore, complicates and makes the final design of the lighting device more expensive.

In the state of the art, as a proposed solution to the complexity of the lighting system configuration that the device must incorporate to illuminate the new geometries and carry out the new functions, as can be seen in patent No. FR1650759, A lighting system based on the emission of light by a limited number of LEDs is known, which emit light independently to different superimposed sections of a light guide, said light being guided to the optics area of each section, in where the light is directed to the outside of the lighting system.

This configuration allows the emulation of a lighting system with numerous LEDs in a long and continuous section of geometry to be illuminated, with a substantially lower number of LED elements.

This conventional system does not achieve homogeneity in the emission of light at the different points of the geometry that is illuminated, so there is a discontinuity in the effect achieved, not being able to emulate the continuous effect of devices with LEDs throughout the entire geometry.

It is therefore necessary to offer an alternative to the state of the art that covers the problems found in it, by configuring a lighting system that effectively emulates the ignition dynamisms with complete and homogeneous lighting in lighting geometries.

Description of the invention

The objective of the present invention is to provide a lighting system in lighting devices in vehicles, as well as this device that includes the lighting system, and the vehicle with said device, which manage to solve the aforementioned drawbacks, presenting other advantages that will be described below.

In accordance with this objective, according to a first aspect, the present invention is based on a lighting system in vehicle lighting devices, which comprises two or more primary light guides partially superimposed in the light extraction direction.

Each primary light guide comprises at least one end configured to receive light beams generated by at least one light-emitting element, wherein each of the primary light guides comprises at least one zone of light extraction optics configured to direct, at least, part of the light beams transmitted by the respective primary light guide towards the light extraction surface of the device where it is installed.

In this configuration, the distance, in the light-extracting direction, between the light-extracting surface of each primary light guide and the light-extracting surface of the fixture on which it is installed is different.

The invention is advantageously based on the lighting system comprising a secondary light guide arranged between the primary light guides and the light extraction surface of the device where it is installed, this secondary light guide being located at least in the space between the light output surface of each primary light guide and the light extraction surface in the light extraction direction.

Also characteristically, the invention is also based on the fact that the secondary light guide, in that light extraction direction, has a depth that adapts to the different distances between the light exit surface of each light guide primary and the light extraction surface of the device, maintaining a constant distance between the light output surface of each primary light guide and the corresponding light input to the secondary light guide.

The invention is also characterized in that the distance between the light output surface of the secondary light guide and the light extraction surface of the device is constant throughout the lighting system.

In this way, a lighting system is obtained in which the perception, by the light receiver, of the intensity losses resulting from the existence of different light outputs from different guides at different depths, is eliminated, giving an appearance homogeneous lighting system and illuminated geometry. All this, as described, thanks to:

- the inclusion of a secondary light guide that is located between the light exit surface of each primary light guide and the light extraction surface in the light extraction direction;

- wherein the distance between the light output surface of each primary light guide and the light input surface of the secondary light guide is a constant value; Y

- where the distance between the light output surface of the secondary light guide and the light extraction surface of the device is also a constant value throughout the lighting system, and may be the separation distance between the surface of light output of the primary light guide and the light input surface of the secondary light guide a different value of the separation distance between the light output surface of the secondary light guide and the light extraction surface of the lighting device.

This constant distance between the light exit surfaces of a primary light guide and the entrance surface to the secondary guide or between the exit surface of the secondary light guide and the light extraction surface of the device, as the case may be , allows to ensure the correct homogeneity of the intensity of light emitted by the lighting device. This correct homogeneity is achieved even though there is said variable distance between the light exit surfaces of the primary light guides and the light extraction surface, where this variability of distances is due to the different depth in which the guides are located. of primary light in the lighting system.

With regard to this description of the main characteristics of the invention, we want to clarify the term indicated as "partial overlap" of the primary light guides that is described. It must be taken into account that this overlap implies that at least part of two light guides adjoining primary light guides are, at least in part, one in front of the other in the direction of light extraction, providing continuity in the emission of light towards the outside of the primary light guide, effected from the zone of extraction optics of light.

By light extraction direction is meant the main direction in which the light beams are transmitted out of the lighting device, this direction being normally perpendicular to the light extraction surface. It is noted that, depending on the lighting geometry followed by the primary light guides, this direction can be the same for the entire lighting device or variable, in the event that said primary light guides comprise curved geometries.

With this configuration, from the point of view of the receiver, the perception is of a single continuous zone of light extraction, where the secondary light guide is responsible for homogenizing and avoiding differences in intensity between different depths of the optical zones. light extraction positioned at different depths. This is achieved thanks to the fact that, while the light is transmitted internally in the secondary light guide, there are no losses. In this way, all the light beams received at the light input surface of the secondary light guide are emitted by the light output surface of said secondary light guide, thus compensating for the losses that would exist if said secondary light guide did not exist. secondary light guide in the lighting device.

In a preferred embodiment of the invention, the primary light guides are not in contact with each other, nor in contact with the secondary light guide. This preferred configuration makes it possible to avoid the transmission of unwanted light through contact points or areas between light guides and which could direct the light beams in unwanted directions. This is solved in this way, by having a separation between the primary light guides and the secondary light guide, as well as between the primary light guides themselves, following the continuous distance requirement. It must be taken into account that this separation between the primary light guides and the secondary light guide occurs in the light transmission areas, and there may be points of attachment or possible contact between elements of the lighting system as a whole in areas where there is no light transmission.

In an optional embodiment of the invention, although preferably, the primary light guides and the secondary light guide form an assembly obtained from the same production process, resulting in a single component.

This formation in a single component, that is to say, in a piece, allows the system to be constituted in a minimum number of components, reducing the associated assembly operations and giving a more rigid assembly.

Although the primary and secondary light guides are preferably made under a process that creates a single piece, or single component as has been said, and therefore have the same physical and optical properties, they can be alternatively configured by joining them, starting from of independent light guides or in independent groups, which allows the introduction of secondary light guides with different optical characteristics to the primary light guides and thus be able to use secondary light guides with lower transmissivity to favor final homogeneity.

In this embodiment of configuration in a single component of the primary light guides and the secondary light guide, there are one or more connection points between the primary light guides and the secondary light guide, located in the area of the end of light input to the primary light guide.

This single component configuration, carried out for example by an injection method, makes it necessary for there to be contact points or areas between the different guides due to the flow communication of the injection component, where these contacts between primary light guides and /o secondary are adapted to prevent the transmission of unwanted light through them. Thus, to obtain said single component, areas of flow communication between the different light guides are required. These junction areas would be located in areas where there is no light transmission, that is, areas different from the exit surfaces of the primary light guides and the exit surface of the secondary light guide, such as an area adjacent to the end of light input to the primary light guide.

Preferably, the zones of light extraction optics of the primary light guides are aligned following the direction of the geometry of the lighting device, forming a stretch of zones of extraction optics that is visually continuous from the perspective of the surface of light extraction, in a direction substantially identical to the direction of light extraction.

This preferred embodiment makes it possible to have extraction optics zones that, in addition to being in superimposed contiguous primary light guides, the shape that all the light extraction optics zones follow as a whole follows the lighting geometry designed for the device. . Thus, even starting from areas of light extraction optics that are located in independent primary light guides, being with each other in a staggered arrangement, an external observer perceives a continuously illuminated surface, from end to end. The introduction of the superimposed secondary light guide of said zones of light extraction optics will allow said external observer to perceive, in addition, a homogeneously illuminated continuous surface.

Preferably, the zone of light extraction optics of the primary light guides is opposite the light output surface of each primary light guide.

This preferred configuration places the surface containing the light extraction optics area on substantially parallel planes with respect to the plane forming the light output surface, where these planes in turn are preferably orthogonal with respect to the light extraction direction.

Analogously to the previous embodiment, and also in a preferred way, the light exit surface of each primary light guide faces the light entry surface of the secondary light guide.

This previous configuration, in the same way, places the light output surface of each primary light guide in substantially parallel planes with respect to the plane that forms the light input surface of the secondary light guide, where these planes at their Instead they are preferably orthogonal to the light extraction direction.

In an optional embodiment of the invention, the at least one transition zone between two adjoining light entry surfaces of the secondary light guide, corresponding to the zone of variation in the depth of the secondary light guide, comprises optics, grooves or engravings directing light.

This transition zone incorporates these elements for directing light and/or its diffusion, so that from the point of view of the receiver this zone is not detected as a discontinuity between the zones of light extraction optics. The optical structures located in said transition zones between sections of the secondary light guide of different depths will allow directing the light beams transmitted through its interior such that they compensate for the discontinuity existing between adjacent extraction optic zones.

In another of the possible embodiments of the invention, the zone of light extraction optics of the primary light guides overlaps, at least in part, with at least the zone of light extraction optics of a light guide adjoining primary, from the perspective of the light extraction surface.

This overlapping of the light extraction optics zones between two contiguous primary light guides ensures that no discontinuity can be seen in the light extraction optics zones, as this zone of light extraction optics is available. light, in an innermost primary light guide in the system, from an extension of that area partially behind the primary light guide in front of it.

According to another of the possible embodiments, and taking into account the last two embodiments described, the lighting system comprises a combination of optical structures located in said transition zones, as well as a superposition of light extraction optical zones between two adjoining primary light guides.

In another possible embodiment of the invention, the zones of light extraction optics of the primary light guides are different from each other, the zones of extraction optics furthest from the light-emitting element having deeper optics.

With this, it is possible to have optics with different characteristics in a primary light guide with respect to the optics of any of the rest of the primary light guides that form the lighting system. It must be taken into account that within the same area of light extraction optics, there may also be differences in the type of optics, without being homogeneous within the same area of the same primary light guide. In this way, it is possible to compensate for the increase in the distance between the light emitter and the optical structures arranged in the areas of extraction optics. It is also achieved that the beams emitted by the different primary light guides are homogeneous throughout the lighting device.

According to a preferred embodiment of the invention, the lighting system has one or more elements that control the operation of the light-emitting elements independently of at least one light-emitting element.

These control elements allow control of the light-emitting elements that act on each primary light guide, to activate them in such a way as to achieve the desired effect, whether static or dynamic. The control elements are based on a printed control board or a similar system that allows the coordinated operation of all the light-emitting elements to be managed and programmed, taking into account the light guide primary to which they supply light. In this way, with a simultaneous switching on or off of the light emitters, an optical effect of switching on or off of an elongated illuminated surface is generated. On the contrary, with a sequenced switching on or off of the light emitters, an optical effect of filling or emptying an elongated illuminated surface is generated, depending on the number of existing primary light guides.

In accordance with the objectives of the invention, according to a second aspect, the present invention is based on a vehicle lighting device, which comprises a lighting system and a light extraction surface of the device, where the device comprises one or more lighting systems such as the one described in characteristics above in the first aspect of the invention.

This makes it possible to have a lighting device that, thanks to the configuration of the indicated lighting system, has a smaller number of LEDs associated with it, with optimal homogeneity and continuity in the light emitted.

Also in accordance with the objectives of the invention, according to a third aspect, the present invention is based on a vehicle, which comprises one or more lighting devices, which advantageously incorporates at least one lighting device, which has the characteristics described above in the second aspect of the invention.

With this, the invention makes it possible to have a vehicle that has the advantages indicated for the device and lighting system indicated above.

Brief description of the figures

For a better understanding of what has been exposed, some drawings are attached in which, schematically and only by way of non-limiting example, a practical case of realization is represented.

Figure 1 is a rear elevation view of a vehicle with a rear lighting device.

Figure 2 is a plan view of a lighting system such as the one incorporated in the vehicle lighting device shown in Figure 1.

Figure 3 is a partial perspective view of the lighting system in its installation area of the light emitters and the beginning of each primary light guide.

Figure 4 is a detailed partial plan view of the lighting system shown in Figure 2.

Description of a preferred embodiment

Various embodiments of the invention are described below, in a non-limiting manner, for a better understanding of the indicated characteristics.

According to a preferred embodiment of the invention and as can be seen in Figure 1, the invention is configured as a lighting system (10) that is integrated into a lighting device (100) that is mounted on a vehicle (200). ) for signaling manoeuvres, position, etc.

In the present case, we have that the vehicle (200) has a lighting device (100) formed by the side lights (101) with turn signal, reverse, position and brake lights, as well as an elongated central lighting geometry ( 102) that can be used as a third brake light, parking light and/or as dynamic lighting routines when opening the vehicle, for example. It is in this elongated central lighting geometry (102), where, in the present embodiment, the lighting system (10) object of the invention is incorporated.

Thus, an observer located at the rear of the vehicle (200) perceives an elongated and narrow illuminated surface, which extends from the right side light (101) to the left side light (101).

The lighting system (10), as can be seen in figures 2 to 4, is made up of multiple light-emitting elements (11), in this case LEDs, located on a plate (12) and controlled in their power supply and operation by a control element, not drawn in the figures, located on the same plate (12).

Each of these light emitters (11) generates light beams directed at a light input end (13) of a given primary light guide (14), so that if the light emitted by each of these is controlled light-emitting elements (11), the emission of light through the associated primary light guide (14). In the present embodiment, each light emitter (11) is associated with a single primary light guide (14). For this, each primary light guide (14) has optical elements to receive the light beams emitted by the associated light emitter (11) and transmit them along said primary light guide (14).

The primary light guides (14) are formed, in the present case, by pieces of polymeric material that allow the passage and conduction of light through them (14) with high transmissivity, that is, without notable losses in intensity. light from the point of entry to the point of exit of the light.

The lighting system (10) is based on the fact that each of the primary light guides (14) that conducts the light generated by a certain light-emitting element (11), is superimposed in part of the length of the light guide. primary light (14) behind it. This superimposition is carried out in the direction of extraction (e) of the light beams from the lighting system (10), leaving, in the present embodiment, a staggered primary light guide (14) in a substantially horizontal plane.

Each of the primary light guides (14) has inside, in the section in which there is no other superimposed primary light guide (14) in front, of a zone of light extraction optics (15). This zone of light extraction optics (15) is formed by optical elements that direct the light conducted by the primary light guide (14) towards the light extraction surface (110) of the illumination device (100).

This configuration causes the light output surface (16) of each of the primary light guides (14), to be at a different distance (d) with respect to the light extraction surface (110) according to its position deep in the stepped that forms the set of primary light guides (14).

To prevent this difference in depth of the light output surface (16) of each of the primary light guides (14), from implying a difference in intensity of the light perceived by the user when it is extracted by the surface of light extraction (110), the system incorporates a secondary light guide (17) that is located in the space between the light output surface (16) of each of the primary light guides (14) and the surface of light extraction (110) of the device (100), in the direction of light extraction, adapting to the stepped shape of the configuration of the light exit surfaces (16) of each guide of primary light.

As an essential feature, we have this adaptation of the secondary light guide (17) to the light output surface (16) of each of the primary light guides (14) and to the light extraction surface (110), it is done by maintaining a constant distance between the light output surface (16) of each primary light guide (14) and the corresponding light input surface (18) of the secondary light guide (17). At the same time, the distance between the light output surface (19) of the secondary light guide (17) and the light extraction surface (110) of the illumination device (100).

Consequently, the secondary light guide (17) comprises a plurality of sections with different depths, depending on the light extraction direction. The depth of each section is adapted to the variable distance (d) between each of the light output surfaces (16) of the respective primary light guide (14) and the light extraction surface (110).

In addition to the constant configuration of distances between surfaces detailed above, the plane that contains the area of light extraction optics (15) of each primary light guide (14) is opposite the plane that forms the surface of light output (16) from each primary light guide (14). In turn, the light output surface (16) of each primary light guide (14) faces the light input surface (18) of the secondary light guide (17). All these opposing arrangements of exit and entry surfaces in the light guides (14, 17) allow for a majority extraction of light in the desired direction.

As these areas of light extraction optics (15) are free of overlapping primary light guides in the direction (e) in which they extract the light, and the geometry trajectories of the optics area itself are aligned extraction (15) of light following the geometry (102) of the lighting device (100), it is achieved that, from the point of view of an external receiver, the lighting system (10) generates the effect of having an area of optics continuous light extraction (15) throughout the entire geometry (102) of the lighting system (10).

The areas of optics (15) for extracting light from the primary light guides (14) are overlap in a small section, with at least the zone of light extraction optics (15) of a contiguous anterior and/or posterior primary light guide (14), from the perspective of the light extraction surface (110) , to ensure that there is no angle at which a discontinuity in the emission of light by the lighting system (10) can be observed.

In this regard, alternatively or in addition to the latter described regarding the partial overlapping of the light extraction optics zones (15), the transition zone between two adjoining light entry surfaces (18) of the light guide secondary light (17), corresponding to the zone of variation in the depth of the secondary light guide (17), comprises optics, grooves or engravings for directing the light to ensure correct diffusion of the light in that zone and that it does not show no discontinuity at these transition points or zones.

In order to achieve high homogeneity in the light beams extracted in each primary light guide (14) of the present preferred embodiment, the light extraction optics zones (15) have optics with a variation in at least one of its geometric parameters, such as a different depth of the optic, a different separation distance between consecutive optics, etc. In this way, it is possible to minimize the intensity changes that could occur in different primary light guides (14).

In this regard, it must be taken into account that each primary light guide (14) has its respective zone of light extraction optics (15) at a different distance from the associated light emitter (11). Additionally, in an area of light extraction optics (15), when the distance with respect to the associated light emitter (11) is increased, the number of remaining light beams transmitted inside the primary light guide itself is reduced. (14), as part of them have been extracted by the respective light extraction optics (15). Both aspects are compensated with this certain design of the parameters that define the optics.

In the present embodiment, the set of primary light guides (14) and the secondary light guide (17) are made in the same production process forming a single component, a single piece, normally using injection processes of the same material. polymer that allows the conditions of light transmissivity as mentioned that is necessary for the proper functioning of the invention, taking into account Note that light guides are conventionally used for this purpose of guiding light in the state of the art.

This method of forming the set of primary light guides (14) and the secondary light guide (17) makes both light guides (14,17) have the same optical characteristics.

In addition to the above, although the primary light guides (14) are separated from each other, without contact points or surfaces that could mean unwanted light diffusion points, the formation process of the single component necessarily implies having contact points. communication between the different guides (14,17) to be able to give way to the flow of material in the injection process. In this case, these connection points are located at the end (13) of the zone of entry of the light beams to the primary light guide (14), these communication points being treated so that the light does not pass through them. guided light and could scatter the light emission.

In alternative embodiments of the invention, it is possible to have a set of primary light guides (14) and the secondary light guide (17) formed by independent elements that are assembled to form the lighting system (10), being able to mount light guides secondary light guides (17) with different optical properties than the primary light guides (14), if necessary.

According to the embodiment presented in figures 2 to 4, four primary light guides (14) are presented. The primary light guide 14 disposed closest to the light extraction surface 110 comprises a shorter length. In contrast, the primary light guide 14 disposed further from the light extraction surface 110 comprises a greater length. The two intermediate primary light guides (14) comprise an intermediate length between them. The length of each of the primary guides (14) increases progressively from the primary light guide (14) closest to the light extraction surface (110) to the one farthest from the light extraction surface (110).

According to the embodiment presented, the longest primary light guide (14) is equal to half the length of the tailgate or rear door of the trunk of the vehicle (200) shown in Figure 1. Thus, to cover the entire space between the left side light (101) and the right side light (101), two lighting systems are required (10) arranged in symmetry, according to a vertical plane. The light emitters (11) and the respective control element (12) are arranged in the areas close to both left and right side lights (101), respectively.

Although reference has been made to a specific embodiment of the invention, it is clear to a person skilled in the art that the lighting system in vehicle lighting devices, as well as this device that includes the lighting system, and the vehicle with said device, described are subject to numerous variations and modifications, and that all the details mentioned may be replaced by other technically equivalent ones, without departing from the scope of protection defined by the attached claims.

Claims (13)

1. - Lighting system in vehicle lighting devices, which comprises two or more primary light guides (14) partially superimposed in the direction of light extraction; wherein each primary light guide (14) comprises at least one end (13) configured to receive light beams generated by at least one light emitting element (11); wherein each of the primary light guides (14) comprises at least one area of light extraction optics (15) configured to direct at least part of the light beams transmitted by the respective light guide primary light (14) towards the light extraction surface (110) of the device (100) where it is installed; and wherein the distance (d), in the light extraction direction, between the light exit surface (16) of each primary light guide (14) and the light extraction surface (110) of the device ( 100) where it is installed is different; characterized in that the lighting system (10) comprises a secondary light guide (17) arranged between the primary light guides (14) and the light extraction surface (110) of the device (100) where it is installed , this secondary light guide (17) being located, at least, in the space between the light output surface (16) of each primary light guide (14) and the light extraction surface (110) in the direction light extraction; where the secondary light guide (17), in that light extraction direction, has a depth that adapts to the different distances (d) between the light exit surface (16) of each primary light guide (14) and the light extraction surface (110) of the device, maintaining a constant distance between the light output surface (16) of each primary light guide (14) and the corresponding light input (18) to the secondary light guide (17); and where the distance between the light output surface (19) of the secondary light guide (17) and the light extraction surface (110) of the device (100) is constant throughout the lighting system (10 ). 2. - Lighting system according to claim 1, wherein the primary light guides (14) are not in contact with each other, nor in contact with the secondary light guide (17). 3. - Lighting system, according to any of the preceding claims, wherein both the primary light guides (14) and the secondary light guide (17) form a set obtained from the same production process resulting in a single component. 4. - Lighting system according to claim 3, wherein the single component formed by the primary light guides (14) and the secondary light guide (17) has one or more junction points between the light guides (14) and the secondary light guide (17), located in the area of the end (13) of light input to the primary light guide (14). 5. - Lighting system, according to claim 1, wherein the zones of extraction optics (15) of the light of the primary light guides (14) are aligned following the direction of the geometry (102) of the lighting device (102), forming a section of zones of extraction optics (15) visually continuous from the perspective of the light extraction surface (110), in a direction substantially identical to the direction of light extraction. 6. - Lighting system, according to claim 1 or 5, wherein the zone of extraction optics (15) of the light of the primary light guides (14) is facing the output surface (16) of light from each primary light guide (14). 7. - Lighting system, according to any of the preceding claims, wherein the light output surface (16) of each primary light guide (14) is facing the light input surface (18) of the secondary light guide (17). 8. - Lighting system, according to any of the preceding claims, wherein the at least one transition area between two adjoining light input surfaces (18) of the secondary light guide (17), corresponding to the area of variation in the depth of the secondary light guide (17), comprises optics, grooves or engravings for directing the light. 9. - Lighting system, according to claim 1, 5 or 6, wherein the zone of extraction optics (15) of the light of the primary light guides (14) overlaps, at least in part, with at least the zone of light extraction optics (15) of a contiguous primary light guide (14), from the perspective of the light extraction surface (110). 10. - Lighting system, according to claim 1 or 9, wherein the zones of extraction optics (15) of the light of the primary light guides (14) are different between them, the zones of extraction optics (15) furthest from the light-emitting element (11) having deeper optics. 11. Lighting system, according to claim 1, wherein the lighting system has one or more elements to control the operation of the light-emitting elements (11) independently of at least one light-emitting element (eleven). 12- Vehicle lighting device, which comprises a lighting system (10) and a light extraction surface (110) of the device (100), characterized in that the device (100) comprises one or more systems lighting (10) as described in characteristics of any of claims 1 to 11. 13. Vehicle, which comprises one or more lighting devices, characterized in that at least one of the lighting devices (100) that it incorporates has the characteristics of claim 12.