Abstract: An aircraft lamp includes: a lamp outer housing configured by a lamp housing having an opening and a cover attached to the lamp housing in a state where the opening is closed, wherein an internal space is formed in the lamp housing as a first arrangement space; and a lamp unit that includes a light source module provided with a light source, an attaching base to which the light source module is attached, and a power receiving connector attached to the attaching base to supply power to the light source, wherein the lamp unit is configured to be detachable with respect to the lamp housing. The lamp housing includes an insertion hole communicating with the first arrangement space. The lamp housing is provided with an arrangement case portion having a second arrangement space opened on an outer surface side of the lamp housing.

Abstract: An illumination apparatus for a motor vehicle includes a lighting device having one or more light sources, a reflector arrangement having one or more scatter reflectors, and one or more transparent bodies each having a surface made of a plurality of flat facets. The illumination apparatus is designed such that light generated by the light source(s) of the lighting device is scattered at the scatter reflector(s) of the reflector arrangement, as a result of which scattered light is created, which is refracted at least partially on facets of the transparent body or bodies and then exits the illumination apparatus in order to generate a light distribution.

Abstract: The present invention pertains to lighting device systems or methods applicable to off-road utility vehicles. The concepts include light sources for light beam production, a housing enclosure that encompasses internal elements and includes opposing front and rear portions. Inventive concepts further include a heatsink arrangement along an outer surface of the rear portion via a fastening system that is configured to transfer generated heat from the light sources and includes a sealing member with fasteners for securing the heatsink through the housing such that the sealing member becomes positioned between the heatsink and interfacing housing structures.

Abstract: A lamp module includes a light source unit that generates light, an optical unit that forms a predetermined beam pattern by transmitting the light generated by the light source unit therethrough, and a reflection unit that reflects the light generated by the light source unit to be incident upon the optical unit. In particular, the light source unit includes a light source chip, which is spaced apart laterally from an optical axis of the optical unit, and the light source chip is disposed to allow a central line that passes through middle of both sides of a light-emitting surface formed by at least one light source to be tilted with respect to the optical axis of the optical unit by an angle that is different from an angle that a central axis of the reflection unit forms with respect to the optical axis of the optical unit.

Abstract: A vehicle indoor illumination device includes a housing having an upper opening with an internal space formed therein, a light-emitting unit disposed on the housing to emit light, a diffuser disposed outside the light-emitting unit in a manner as to close the upper opening of the housing to allow the light emitted from the light-emitting unit to diffuse to the outside, a cover part disposed on an outer surface of the diffuser and on which a light pattern is formed through scattering of the light transmitted through the diffuser, and a controller configured to receive an operation signal of a vehicle electronic part to control an operation of the light-emitting unit.

Abstract: An illumination device is provided for vehicles, the illumination device including a matrix assembly containing a number of lighting elements arranged in the form of a matrix, each of which can be actuated individually and independently of each other. A line assembly is provided for with a number of light sources and a lens unit for generating a linear signal light function. The matrix assembly is at least partially a component of the line assembly. One part of the matrix assembly forms one part of the linear assembly.

Abstract: The present disclosure relates to optical systems, vehicles, and methods that are configured to illuminate and image a wide field of view of an environment. An example optical system includes a camera having an optical axis and an outer lens element disposed along the optical axis. The optical system also includes a plurality of illumination modules, each of which includes at least one light-emitter device configured to emit light along a respective emission axis and a secondary optical element optically coupled to the at least one light-emitter device. The secondary optical element is configured to provide a light emission pattern having an azimuthal angle extent of at least 170 degrees so as to illuminate a portion of an environment of the optical system.

Abstract: Various embodiments of the present invention provide a hybrid backup lamp having a backup light and a laser or LED warning light integrated therewith.

Abstract: A headlight (10) and a lighting system (54) with the headlight (10) and a control unit. A motor vehicle (52) has the headlight (10), which combines a full beam matrix (20) and a dipped light in a common pivotable lighting module (18).

Abstract: A projection optical unit that images electromagnetic radiation emitted by an optoelectronic semiconductor chip includes a first lens element, a second lens element, wherein the two lens elements each include a first light-refracting surface and a second light-refracting surface located opposite the first light-refracting surface, the second light-refracting surface of the first lens element faces the first light-refracting surface of the second lens element, and the four light-refracting surfaces each include an asphere-shaped surface section such that the respective surface section forms an aspherical lens.

Abstract: Various embodiments of the present invention provide a hybrid backup lamp having a backup light and a laser or LED warning light integrated therewith.

Abstract: A vehicular lamp includes: a light source unit; a housing inside of which the light source unit is disposed and which has a work hole formed therein on a rear side thereof; and a cover member detachably attached to the work hole of the housing. The cover member includes a cover main body configured to close the work hole, a recess portion formed by concaving an outer surface of the cover main body, and a protrusion portion protruding from an inner surface of the cover main body corresponding to the recess portion, and the protrusion portion forms an inclined surface inclined in a diameter-expanding direction from an inner circumferential side toward an outer circumferential side of the cover main body when the cover main body is viewed in a cross-sectional view in an axial direction.

Abstract: A light emitting device includes a wavelength conversion element, and an excitation light source which radiates excitation light to the wavelength conversion element. The wavelength conversion element includes a support member having a supporting surface, and a wavelength conversion member disposed on the supporting surface so as to be contained within the support member when the support member is viewed from the supporting surface side. An outer peripheral region on the support member, which is an outer peripheral portion of an arrangement region including the wavelength conversion member and is exposed from the wavelength conversion member, includes a light absorbing portion which can absorb first light having same wavelength as the excitation light or a light scattering portion which can scatter the first light. The arrangement region includes a reflective member which is disposed between the wavelength conversion member and the support member, and is different from the support member.

Abstract: An optical module, used for lighting and/or signalling purposes for a motor vehicle, includes a support delimiting a compartment for receiving a functional component such as a fan. A clamping element, preferably produced as a single part, can be used to block an opening of the compartment and lock the component in its operational position. The clamping element, separate from the support and provided with two arms, is engaged and clipped on against at least one engaging protrusion formed laterally on the support in order to achieve the locking. An elastic return effect of at least one of the two arms allows the clamping element to be engaged at the rear of the protrusion and held in place. For unlocking, a flexible actuation portion formed in the clamping element can be actuated in order to move one of the two arms outwards and allow unclipping to take place.

Abstract: A lamp unit includes: a light source module; and an optical system for projecting light emitted from the light source module with a required light distribution. The light source module includes a thermally-conductive plate, a circuit board attached to the thermally-conductive plate, and a light emitting element mounted on the circuit board and powered via the circuit board. The thermally-conductive plate is provided with a mounting portion for mounting the optical system at a predetermined position with the light emitting element as a reference.

Abstract: A lighting and/or signaling device, for a vehicle, including a light source positioned on a module assembled onto an optical device, the optical device and the module including a first reference mechanism including: at least one slideway mounted on the optical device, the slideway including an interior reference face placed opposite an interior guide face, and at least one extension extending from the module, the extension including a reference bearing face, opposite a contact face, the contact face including at least one contact point. The contact face is configured such that, when the extension has been introduced into the slideway along a direction of introduction, the contact face bears at the contact points against the interior guide face and, locally, at the contact point, the slideway and/or the extension are elastically deformed.

Abstract: A vehicle lamp comprising: a front lens body; a rear lens unit disposed behind the front lens body; and a light source that emits light to be irradiated forward after passing through the rear lens unit and the front lens body to form a low-beam light distribution pattern, wherein the rear lens unit includes an edge section that defines a cutoff line, and a reflection surface, the reflection surface internally reflects the light from the light source, the edge section includes a first edge part, a second edge part, and a third edge part connecting between the first edge part and the second edge part, the reflection surface includes a first reflection surface including the first edge part, a second reflection surface including the second edge part, and a third reflection surface including the third edge part, and the third reflection surface is inclined with respect to a reference axis.

Abstract: An automotive hologram image producing lamp is provided. The automotive hologram image producing lamp includes beam exposed to the exterior to be provided in the form of a hologram image. The automotive hologram image producing lamp includes a light source configured to emit light, a hologram forming unit configured to receive incidence of a first partial light among the emitted light to form a hologram and a light pattern forming unit configured to transmit a second partial light among the emitted light to form a information providing light pattern.

Abstract: A lighting device for a vehicle may include a light source and a first reflecting unit configured to reflect a beam emitted from the light source. The lighting device may also include a lens in which the first reflecting unit is provided on a partial area of a surface of the lens. The lighting device may also include a reflective fluorescent body configured to convert a wavelength of light reflected from the first reflecting unit; and reflect, into the lens, the wavelength-converted light reflected from the first reflecting unit. The reflective fluorescent body may be disposed on a rear side of the lens and faces a rear surface of the lens. The first reflecting unit may be disposed so as not to be linearly aligned with the light source and the reflective fluorescent body.

Abstract: Disclosed are vehicle lamp assembly housings, methods for making and for using such housings, and motor vehicles with lamp assemblies employing such housings. A protective lamp housing is disclosed for a motor vehicle lamp assembly. The lamp housing includes a housing body that attaches to the vehicle structure of a motor vehicle. The housing body has an internal chamber that stores therein a light source. The housing body has an open end that attaches to a light-transmissive lens to fluidly isolate the internal chamber. A heat sink with a plurality of convective cooling fins projecting from a thermally conductive main body is integrally formed with the housing body. When joined in this manner, the main body extends into the internal chamber and the cooling fins extend out of the housing body. The heat sink's main body and cooling fins are collectively configured to dissipate heat from the internal chamber.

Abstract: An optical module of a lighting and/or signaling device of a motor vehicle. In one embodiment, the optical module comprises a support that supports an optical lens and a heat exchanger, with the support connecting the optical lens to the heat exchanger.

Abstract: A vehicular lamp includes: a circuit board having three or more light source mounting portions provided along a vehicle-width direction; a plurality of light sources mounted on the respective light source mounting portions; and a reflector unit having three or more reflectors each reflecting light from each of the light sources. The reflector unit has a first positioning pin and a second positioning pin. The circuit board has a first positioning hole to receive the first positioning pin and a second positioning hole to receive the second positioning pin. The first positioning hole is provided at a location inward of a first end light source mounting portion positioned on one end side in the vehicle-width direction, and the second positioning hole is provided at a position inward of a second end light source mounting portion positioned on the other end side in the vehicle-width direction.

Abstract: A vehicle light installed in a vehicle includes: a main case having a front opening; a first light guide disposed in the main case; a first light source that emits light into the first light guide; and a headlamp disposed in the main case. The first light guide (i) is rod-shaped, (ii) includes a first extended section extending from the inboard side of the first light guide relative to the vehicle widthwise direction toward the outboard side and a second extended section that continues from the first extended section, curves back inwardly, and extends to the inboard side, and (iii) opens toward a longitudinal center line of the vehicle. The headlamp is disposed between the first extended section and the second extended section. The first extended section and the second extended section extend toward the longitudinal center line of the vehicle to a point beyond the headlamp.

Abstract: A lighting device includes a lighting source, e.g. a LED lighting source, arranged between a first and a second component with a coupling structure interposed between the first and the second component to sealingly couple them together. The coupling structure includes at least one layer resiliently deformable to permit relative displacement of the first and second components.

Abstract: A lighting device includes a lighting source, e.g. a LED lighting source, arranged between a first and a second component with a coupling structure interposed between the first and the second component to sealingly couple them together. The coupling structure includes at least one layer resiliently deformable to permit relative displacement of the first and second components.

Abstract: A light emitting diode (LED) lighting system includes a primary enclosure and a secondary enclosure. The primary enclosure can include a fastening feature of a secondary enclosure receiver that is positioned adjacent to an aperture in the primary enclosure. The secondary enclosure can include a corresponding fastening feature that mechanically couples to the fastening feature of the primary enclosure, where the secondary enclosure surrounds the aperture when the secondary enclosure is mechanically coupled to the primary enclosure. The secondary enclosure can further include a passage through which a wire that traverses the aperture in the primary enclosure passes.

Abstract: The invention relates to a reinforcement device (5) for a catch element (31) of a lighting device socket (3), said catch element (31) comprising a plurality of catch flanges (32) for engaging with the base (22) of a lighting device (2) when said lighting device (2) is pushed in said lighting device socket (3), said catch flanges (32) extending perpendicularly to the lighting device socket plane. The reinforcement device (5) comprises a ring (6) and bracing means (7) integral with said ring (6) and capable of bracing at least one catch flange (32) of said catch element (31) against the base (22) of a lighting device when a lighting device (22) is positioned in said lighting device socket (3). The invention also relates to a lighting device socket (3) comprising such a reinforcement device (5), a lighting device assembly and a vehicle.

Abstract: A headlamp assembly includes a headlamp housing, a lens affixed to the housing, thereby defining an interior space of the assembly, and a reflector defining an aperture and arranged within the interior space. The assembly also includes a retention bracket mounted to the reflector and a first seal attached to the bracket for keeping moisture from the interior space. The assembly also includes an adapter element that can be fastened or unfastened at the bracket, and a second seal arranged between the adapter and the bracket for keeping moisture from an interface between the bracket and the adapter. The assembly additionally includes a light bulb mounted to the adapter and extending through the aperture toward the lens, and a connector establishing an electrical connection with the bulb. Furthermore, the assembly includes a third seal arranged between the connector and the adapter and configured to keep moisture from the electrical connection.

Abstract: A vehicular light-emitting diode lamp includes a housing having a compartment receiving a reflective member including first and reflective surfaces and a partitioning section between the first and second reflective surface. The partitioning section includes two lateral portions respectively engaged with two mounting portions of the housing. A lamp seat is mounted in front of the partitioning section of the reflective member. First and second LED modules are mounted to the lamp seat and are electrically connected to a circuit board unit. The first LED module emits light beams towards a rear and a side of the first reflective surface. The second LED module emits light beams towards a rear and a side of the second reflective surface. Light beams emitted by the first and second LED modules transmit are reflected by the first and second reflective surfaces and then transmit cover in front of the reflective member.

Abstract: A vehicular illuminating device includes a first illuminating part configured to illuminate in a traveling direction of a vehicle, a second illuminating part configured to be able to emit light by using an illumination pattern different from that of the first illuminating part, and a control part configured to control the second illuminating part so that the second illuminating part can illuminate in a direction of a recommended route by using the illumination pattern different from that of the first illuminating part if a route guiding part is guiding the vehicle to a destination along the recommended route.

Abstract: A method for the arrangement of a retaining ring (10) for holding a light source in the opening (11) of a reflector (12) for a vehicle headlamp. The retaining ring (10) extends in a plane and is arranged on the back side flush with the opening (11) on the reflector (12). For the arrangement of the retaining ring (10) of the reflector (12), a molded retainer part (13) is arranged on the reflector (12) and a recess (14) is formed in the retaining ring (10). The retaining ring (10) is placed on the reflector (12), so that the molded retainer part (13) is guided through the recess (14), after which the retaining ring (10) is turned in the plane of its extent about the molded retainer part (13), so that the retaining ring (10) clamps on the molded retainer part (13).

Abstract: The present invention is provided with a first lamp unit 4 and a second lamp unit 5. The first lamp unit 4 is provided with a semiconductor-type light source 14, a reflector 15, a shade 16, and a driving mechanism 17. The reflector 15 has a first reflection surface 21 and a second reflection surface 22. The first reflection surface 21 is adapted to emit lateral light distribution patterns CPL and CPR. The second reflection surface 22 is adapted to emit a light distribution pattern HP for high beam. As a result, according to the present invention, it becomes possible to obtain an arbitrary auxiliary light distribution pattern, such as a light distortion pattern for spot or a light distribution pattern for scattering other than the lateral light distribution patterns CPL and CPR.

Abstract: The present disclosure has been made in an effort to provide a vehicular lamp that can adopt a low-priced material having a low heat-resisting temperature as a material for a reflector. A vehicular lamp includes a tail and stop lamp bulb and a reflector reflecting light from bulb to the front of the lamp, in a lamp chamber defined by a lamp body and a front cover. In addition, lamp body includes an opening for exposing the rear surface of reflector in the vicinity of tail and stop lamp bulb to the outside of the lamp chamber.

Abstract: A vehicle rearview mirror with indicator function includes a mirror mount, a mirror face mounted in the mirror mount and defining a first light transmissive zone, and an indicator device mounted between the mirror mount and the mirror face and including a reflector defining one or multiple reflecting surfaces and LED substrates and light-emitting devices mounted in the reflector. Each LED substrate defines a mounting face facing toward the reflecting surfaces. The light-emitting devices are mounted at the mounting faces of the LED substrates and kept beyond the first light transmissive zone, and controllable to emit light onto the reflecting surfaces so that the reflecting surfaces reflect the light through the first light transmissive zone toward the outside of the vehicle rearview mirror in a uniformly distributed manner.

Abstract: A replacement vehicular lamp assembly (10) configured for insertion into a vehicle chassis-mounted lamp housing (110) originally containing an incandescent lamp (118) installed in an aperture (102) in a chassis-mounted reflector (116). Lamp assembly (10) has a housing (12) supporting LED(s) and displaceably mounted reflector segments (40) moveable between a closed configuration facilitating installation through the aperture (102) and an outwardly open configuration for function within the lamp housing (110) to form a first reflector (38). A biasing mechanism (25) biases the reflector segments (40) to the open configuration to deploy the first reflector (38) overlying the chassis-mounted reflector (116) so that light from the LED is received on the first reflector (38) defined by the reflector segments (40).

Abstract: Disclosed are a light emitting device package and a light emitting apparatus. The light emitting device package comprises a package body comprising a light emitting surface inclined at an oblique angle with respect to a bottom surface, a plurality of lead electrodes in the package body, and at least one light emitting device electrically connected to the lead electrodes.

Abstract: It is provided a lamp, particularly halogen lamp, for a headlight of a motor vehicle, comprising a light source (12) for emitting mainly white light, a mainly transparent envelope (14) encapsulating the light source (12) and a filter element (22) provided at the envelope (14), wherein the filter element (22) is adapted for deflecting visible light of a predefined wavelength interval such, that mainly blue light can be provided above a bright/dark-cutoff (28). Since the deflected bluish light is above the bright/dark-cutoff (28) an oncoming driver recognizes earlier the light. At the same time the oncoming driver is not blinded by the blue light above the bright/dark-cutoff (28), since not the whole emitted light (40) but only a smaller wavelength interval is directed above the bright/dark-cutoff (28).

Abstract: A vehicle lamp is provided. The vehicle lamp includes a lens disposed on an optical axis of the vehicle lamp, the optical axis extending in a front-and-rear direction of the vehicle lamp, the lens comprising a first concave lens portion; a plurality of light emitting elements disposed to a rear side of the lens and around the optical axis at regular intervals in a circumferential direction, the plurality of light emitting elements comprising at least one first light emitting element disposed to a rear side of the first concave lens portion; at least one first reflector corresponding to the at least one first light emitting element and disposed between the corresponding first light emitting element and the optical axis, wherein the first reflector comprises a first reflecting surface which reflects light from the corresponding first light emitting element toward the first concave lens portion.

Abstract: A vehicular illuminating device includes a first illuminating part configured to illuminate in a traveling direction of a vehicle, a second illuminating part configured to be able to emit light by using an illumination pattern different from that of the first illuminating part, and a control part configured to control the second illuminating part so that the second illuminating part can illuminate in a direction of a recommended route by using the illumination pattern different from that of the first illuminating part if a route guiding part is guiding the vehicle to a destination along the recommended route.

Abstract: The present disclosure provides a light source mounting structure including a bulb mounting hole provided in a reflector, a socket fixture configured to be fixed to the bulb mounting hole, and a bulb including a bayonet flange configured to be inserted into the bulb mounting hole and, when rotated, to be engaged with the socket fixture. The socket fixture is integrally provided with a snap fit that is capable of being elastically deformed and configured to be engaged with the bayonet flange. The bulb is easily mounted due to the elastic deformation of the snap fit and is also suppressed from being detached. The snap fit is integrally formed with the socket fixture, and thus, the number of components may be reduced.

Abstract: In present invention, the vehicle lighting device includes a heat sink; a light emitting element that is mounted on the heat sink; and a reflector that is disposed on a side of a light emission surface of the light emitting element, the reflector being adapted to reflect light from the light emitting element in a first direction. The heat sink includes: a heat sink main body; and a plate-shaped light source mount member which is protruded from the heat sink main body in the first direction, and on which the light emitting element is to be disposed. A light source is disposed to tit with respect to a horizontal surface in a widthwise direction of the vehicle when a vehicle lighting device is mounted on the vehicle.

Abstract: A reflector housing includes a reflective inner surface, a neck portion defining a substantially cylindrical cavity with a rear opening in which a light source can be fitted to the housing, and a ventilation duct extending radially from the cavity and having a ventilation hole opening into the rear opening of the housing.

Abstract: A lamp for a vehicle has a light source (1), a first reflector (2), and at least one light pane (6, 7), which are disposed so that light emitted by the light source (1) is reflected by a reflector face (3) of the first reflector (2) and forms a first lamp face (17) of the lamp. The lamp has at least one second reflector (4), the reflector face (5) thereof being disposed separately from the reflector face (3) of the first reflector (2) and the second reflector being disposed so that light emitted by the light source (1) is reflected by the reflector face (5) of the second reflector (4) and forms a second lamp face (18) of the lamp, wherein the first and the second lamp faces (17, 18) are not coherent.

Abstract: A vehicle light can include an LED light source disposed such that the optical axis of the LED light source is directed downward, a first lens disposed forward of the LED light source, a second lens disposed below and forward of the first lens, and a first reflector extending from both sides of the LED light source to a position near the optical axis of the LED light source. The first reflector can be configured to reflect light beams from the LED light source toward the first lens so as to form a wide vertically converged and horizontally diffused light distribution pattern. The vehicle light can include a second reflector disposed at a position below and forward of the first reflector. The second reflector can be configured to reflect light beams from the LED light source toward the second lens so as to form a middle-area vertically converged and horizontally diffused light distribution pattern.

Abstract: An automotive headlamp (12) having a light engine (20) including a solid-state light source (32) emitting visible light and a reflector (26) configured to receive and reflect light emitted by the solid-state light source (32). The automotive headlamp (12) further includes an adjustment unit (22) having a displacement member (40) coupled to the solid-state light source (32) and adapted to displace the solid-state light source (32) relative to the reflector (26) between a first position, wherein the headlamp (12) projects a low-beam pattern, and a second position, wherein the headlamp (12) projects a high-beam pattern.

Abstract: A vehicle illuminating device for the integrated attachment in each edge region of a motor vehicle, has a housing with at least one chamber, a light source positioned in a bracket, a reflector, an intermediate light disc with a prism arranged therein in at least partial regions, wherein the intermediate light disc has at least one signal function region dyed in a signal color, and electric connection contacts and a cover housing disc are spaced from the light disc. The reflector has in a first chamber a lateral section provided in a predominantly horizontal, lateral direction facing away from the vehicle. The housing has a lateral light region extending into the lateral region of the vehicle body, an additional lateral intermediate light disc arranged in the region, wherein the cover housing disc covers also the lateral light region with the lateral intermediate light disc from the outside at a distance.

Abstract: Disclosed is a headlamp assembly for a vehicle. The headlamp assembly may include an LED module arranged in a housing of the headlamp, a reflector disposed in the housing and receiving a light from the LED module, wherein the reflector has uneven parts to disperse and reflect the light in a forward direction of the reflector, and a lens arranged in the front of the reflector.

Abstract: According to the present invention, additional reflection surfaces 9UL, 9UR, 9DL, 9DR are provided for reflecting light L6 from semiconductor-type light sources 5U, 5D on intermediate invalid reflection surfaces 9, 9L, 9R. As a result, the present invention is capable of: reflecting the light L6 from the semiconductor-type light sources 5U, 5D on the intermediate invalid reflection surfaces 9, 9L, 9R, by means of the additional reflection surfaces 9UL, 9UR, 9DL, 9DR; illuminating the intermediate invalid reflection surfaces 9, 9L, 9R; and lessening a dark part.

Abstract: A headlight for a vehicle having a housing in which LED modules and a reflector are accommodated, wherein the LED modules irradiate light into the reflector and wherein the light reflects at the reflector and leaves the headlight. It is inventively provided that the LED modules each have a cooling receptacle body, wherein the LED modules are mounted on the reflector by means of the respective cooling receptacle body.

Abstract: It is provided a lamp assembly (10) for an automotive headlamp, comprising an LED (12) for emitting light rays, a housing (16), to which the LED (12) is detachably connectable, wherein the housing (16) comprises an entrance window (20) assigned to the LED (12), and a guiding element (22) for guiding the light rays passing through the entrance window (20), wherein the guiding element (22) is connected to the housing (16). Since the LED (12) is detachable connected to the housing (16) a defect LED (12) can by exchanged by only exchanging the LED (12) itself without exchanging the whole lamp assembly (10) including the housing (16) and the guiding element (22). Since the correct position of the bright/dark-cutoff may be provided by the entrance window (20) and/or the guiding element (22) only, a misalignment of a newly inserted LED (12) does not affect the correct position of the bright/dark-cutoff. The exchange of a LED (12) is facilitated and without affecting the correct position of the bright/dark-cutoff.