Abstract: An exemplary vehicle lamp module includes a lighting module and a controlling system for controlling the lighting module. The lighting module includes a light source, a reflecting mirror arranged on the light path of the light source and a reflecting cup. Light emitted from the light source is reflected to the reflecting cup by the reflecting mirror. The reflecting mirror is moveable relative to the reflecting cup, by which, a direction of the light reflected to the reflecting cup is capable of being changed by moving the reflecting mirror relative to the reflecting cup correspondingly, such that light reflected to the reflecting cup by the reflecting mirror is capable of being reflected by the reflecting cup to the far front side, near front side and lateral sides of the vehicle by moving the reflecting mirror correspondingly.

Abstract: Disclosed is a lamp device for a vehicle, which includes: a lens disposed on a first optical axis extending to a front and a rear of the vehicle; a main reflector disposed at a rear side of the lens, reflecting light frontward, and including a first focus on the first optical axis; a light source disposed on the first focus, and emitting light; a lower sub reflector disposed below the light source, upwardly reflecting the light, and including a first focus on a point at which the first optical axis and a second optical axis extending above and below the vehicle intersect; an upper sub reflector disposed above the light source, and frontwardly reflecting the light reflected by the lower sub reflector; and a shield plate disposed between the lens and the light source, and disposed to correspond to a second focus of the main reflector.

Abstract: Disclosed is a vehicle head lamp-purpose shield actuator, including a case, and a motor fixed inside the case, and a first rotating shaft rotated by the motor to be connected to an output shaft that drives a shield member for controlling an opening angle of a head lamp, and a second rotating shaft disposed inside the case to be connected to an output shaft that drives a shield member for opening the shield member, wherein the case is constructed by an inter-coupling of a left side case and a right side case, and the left side case and right side case each having a shaft connection part connecting a first rotating shaft and a second rotating shaft, and an output shaft, respectively, thereby being used commonly in a left side head lamp and a right side head lamp, and consequently improving productivity and assembling capacity and reducing production expense.

Abstract: A vehicle lamp unit comprising a cylindrical lens arranged on an optical axis extending in a front-back direction of the vehicle lamp unit, a semiconductor light-emitting element arranged on the optical axis behind a rear focal line of the cylindrical lens, and a reflector, which comprises a right concave curved surface located in a right side region of the reflector, and a left concave curved surface is located in a left side region of the reflector, wherein each of the right and left concave curved surfaces comprises an inner reflecting surface near the optical axis, wherein the light reflected by the inner reflecting surface of the right concave curved surface is directed to the left side region across the optical axis, and the light reflected by the inner reflecting surface of the left concave curved surface is directed to the right side region across the optical axis.

Abstract: A lighting apparatus is disclosed. The lighting apparatus may be an omni-directional LED lamp. The lighting apparatus may include a heat sink and a first substrate disposed over the heat sink. A second substrate may be mounted to a connector provided on the first substrate. The second substrate may include at least one LED mounted on a surface of the second substrate. The second substrate may be mounted in the connector such that the surface of the second substrate is positioned at a prescribed angle with respect to the upper surface of the first substrate. Various types of reflectors are disclosed that reflect light in a prescribed angular range with uniform intensity. A bulb may be provided over the heat sink to surround the LEDs. Moreover, a power module may be electrically connected to the connector to provide power to the LEDs.

Abstract: A vehicular lamp includes: a movable reflector that has a reflecting surface and changes a direction of reflected light from the reflecting surface, according to an operating position thereof; a first light-emitting unit that emits light toward the reflecting surface; a second light-emitting unit that emits light toward the reflecting surface, from a position different from that of the first light-emitting unit; and a light control member that collects and projects the reflected light.

Abstract: A vehicle or trailer side marker and/or downlight (10) includes a casing or housing (1) and adjustable mounting (4,5), an internal reflector an internal baffle or shield, a light source, a lens or diffuser cover to allow adjustment of beam orientation, direction or angular spread to determine ground spread and beam upper margin limits so as not to dazzle others.

Abstract: A vehicle lighting unit forming low-beam and high-beam light distribution patterns can include: a light source having a substrate, and a first light-emitting section and a second light-emitting section arranged in two rows on a surface of the substrate; a first optical system configured to control light emitted from the first light-emitting section to form at least part of the low-beam light distribution pattern; a second optical system configured to control light emitted from the second light-emitting section to form at least part of the high-beam light distribution pattern; a light-shielding section disposed between the first light-emitting section and the second light-emitting section, the light-shielding section configured to shield part of the light from the first light-emitting section so as not to enter the second optical system; and a control unit configured to control to form the low-beam light distribution pattern or the high-beam light distribution pattern.

Abstract: The present invention provides a headlamp assembly including a light pipe and reflex reflector integration utilizing a single bulb to illuminate both the reflex reflector and the light pipe, simultaneously. The headlamp assembly includes a single light source, a light pipe and a reflex reflector positioned adjacent one another allowing the light source to provide light to both the reflex reflector and the light pipe. The reflex reflector includes a reflecting element and a cutout to allow light to pass though the reflex reflector into the reflecting element. The reflex reflector is adapted to transform light from white to amber thereby creating the side marker function. The headlamp assembly further includes a reflector behind the light source to direct light into the light pipe. The automotive headlamp assembly provides an automotive headlamp assembly that includes a reflex reflector light and a light pipe while reducing cost and decreasing weight.

Abstract: A convenience light for the rear storage area of a motor vehicle also serves as a breakdown warning light. A light source on an underside of the storage compartment lid is a warning light visible from behind the when the compartment lid is open. A reflective panel is disposed on a lid-receiving portion of the vehicle body to reflect light from the light source toward the lid when the lid is open, so that the light and reflective panel combine to serve as a convenience light for the storage area. The light is detachably attached to the compartment lid and has a battery to power the light when detached from the compartment lid. The light source has three lighted segments foldable relative to one another when detached from the compartment lid to form a triangle. The light is thus usable as a warning triangle for a disable vehicle.

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: An automotive lamp system adapted for providing illumination for a vehicle includes an LED, a controlling motor and a reflecting mirror module. The reflecting mirror module is connected to the controlling motor via a driving shaft. The reflecting mirror module includes a first reflecting mirror and a second reflecting mirror. The first reflecting mirror is configured for reflecting the light generated from the LED to the second reflecting mirror. The second reflecting mirror is configured for reflecting the light reflected by the first reflecting mirror outside the vehicle. An angle of the reflecting mirror module relative to the LED is varied via the controlling motor. Thus, a direction of the light reflected outside the vehicle is varied.

Abstract: In various embodiments, a vehicle lighting device is provided. The vehicle lighting device may include at least one semiconductor light source; and at least one optical element which is connected downstream, wherein the position of the at least one optical element can be adjusted.

Abstract: A vehicle headlamp includes a laser lighting source and a controlled reflector module. The controlled reflector module is arranged on a light path of the laser lighting source to reflect a laser beam emitted from the laser lighting source to an outside of an vehicle to illuminate. The controlled reflector module includes a motor, a rotor and a reflector. The rotor is used for connecting the motor with the reflector. The reflector rotates rapidly with the rotor controlled by the motor to change the illuminated area of the reflector. The headlamp has a uniformly distributed lighting beam and high luminance, and the size of the headlamp is small.

Abstract: An exemplary vehicle lamp module includes a lighting module and a controlling system for controlling the lighting module. The lighting module includes a light source, a reflecting mirror arranged on the light path of the light source and a reflecting cup. Light emitted from the light source is reflected to the reflecting cup by the reflecting mirror. The reflecting mirror is moveable relative to the reflecting cup, by which, a direction of the light reflected to the reflecting cup is capable of being changed by moving the reflecting mirror relative to the reflecting cup correspondingly, such that light reflected to the reflecting cup by the reflecting mirror is capable of being reflected by the reflecting cup to the far front side, near front side and lateral sides of the vehicle by moving the reflecting mirror correspondingly.

Abstract: An exemplary vehicle lamp includes a laser lighting source for emitting a laser beam, a rotor, and a reflector having a reflecting surface. The laser lighting source is mounted on the rotor. The laser beam function as a spot light and illuminates each time a part of the reflecting surface. The laser lighting source rotates rapidly with the rotor to change the illuminated part of the reflecting surface. Human eyes have visual lag. The laser lighting source rotates fast enough to have the laser beam illuminates sequentially every parts of the reflecting surface rapidly. The laser beam is reflected to form a surface illumination recognized by the human eyes to illuminate a front of the vehicle.

Abstract: The present invention relates to improved electro-optic rearview mirror elements and assemblies incorporating the same. Area of the effective field of view of the electro-optic mirror element substantially equals to that defined by the outermost perimeter of the element.

Abstract: A lighting apparatus is provided that, while suppressing an increase in size, can change the illuminating direction. The lighting apparatus has: a laser generator which emits laser light; a light emitting member which is irradiated with the laser light emitted from the laser generator to emit light; an irradiated position changer which moves and thereafter stops an irradiated position at which the light emitting member is irradiated with the laser light; and a light projecting member which projects the light emitted from the light emitting member.

Abstract: A vehicular lamp with an optical axis adjusting device includes a housing, a reflector assembly pivotably mounted to the housing, a light source assembly mounted to the reflector assembly, and the optical axis adjusting device mounted to the reflector assembly. The optical axis adjusting device includes a threaded shaft and a fulcrum. The fulcrum is pivotably mounted to the reflector assembly and threaded with the threaded shaft. When the threaded shaft is rotated, the fulcrum can move along the axial direction of the threaded shaft and drive the reflector assembly to pivot with respect to the housing, so the angle of the optical axis of the vehicular lamp can be adjusted.

Abstract: A vehicle lighting unit is capable of improving the design freedom (such as that for forming a high-beam light distribution pattern) and to allow an observer to visually recognize the employed projection lens even when including a plurality of lens portions (including a plurality of rear-side focal points) as a single lens with high aesthetic feature.

Abstract: A headlamp assembly includes a simplified adjusting mechanism for adjusting the aim of a headlamp. The mechanism includes a gear screw that is snap fit into the headlamp housing, a grommet that positioned around the gear screw and snap-fit into the headlamp reflector, and an O-ring to ensure a good seal.

Abstract: The invention relates to a device for interior lighting in a motor vehicle, wherein the device comprises a lamp, a reflection means and a power distribution means and wherein the lamp, the reflection means and the power distribution means are arranged on a common support structure.

Abstract: An adaptive projection system for the headlights of motor vehicles consists of a reflector (6) with light source (11), a lens (10), and a diaphragm system with a fixed screening diaphragm in the shape of a cradle and with a movable optical diaphragm (1) in the shape of a hyperboloid, cylindrical or conical sector (17, 18), which rotates at the same time as the shaft of the motor (3), on which it is firmly fastened at both sides by means of stanchions (2), and by its controlled stopping in certain positions it produces the required light beams.

Abstract: The present invention provides a semiconductor-type light source 2, a lens 35, an optical control member 6, and a driving member 7. The light control member 6 is made of a light transmission portion 61 and a mount portion 62 that has an opening portion 66. The driving member 7 is configured to position the light control member 6 in such a manner as to be changeably movable between a first location and a second location. As a result, the present invention is capable of obtaining a light distribution pattern for low beam LP and a light distribution pattern for high beam HP, and in particular, there can hardly occur a case in which the amount of light becomes insufficient in a part of the light distribution pattern for high beam HP.

Abstract: A lighting assembly utilizing a reflective body for use with a light source to uniformly disperse the light from the light source. The reflective body includes a lower array of first reflectors arranged about a central axis. Each of the first reflectors form an obtuse angle with the next adjacent first reflector. The reflective body also includes an upper array of second reflectors arranged about the central axis. Each of said second reflectors include a left face and a right face. The upper array defines obtuse angles between next adjacent second reflectors. Additionally, reflex angles are defined between the left and right faces of the second reflectors. The combination of angles evenly disperse the light supplied from the light source to provide a pleasant glow for illuminating an area below the lighting assembly without causing hot spots.

Abstract: A vehicle headlamp is provided with: a reflector having reflecting surfaces made of a parabola-based free curved face; and semiconductor-type light sources having a light emitting chip shaped like a planar rectangle. The reflecting surfaces 2U, 2D are made up of: a first reflecting surface forming a high luminous intensity zone; a second reflecting surface forming a middle luminous intensity zone; and a third reflecting surface forming a low luminous intensity zone. As a result, the vehicle headlamp allows downsizing, weight reduction, and cost reduction. In addition, precision of assembling optical elements can be improved.

Abstract: A vehicle lamp has a light source having an edge extending linearly, a first reflector, and a second reflector. The vehicle lamp forms a light distribution pattern having cut-off lines at an upper end section thereof by sequentially reflecting light from the light source using the first and second reflectors. An edge of the light source is disposed so as to extend in the horizontal direction. A first reflecting surface of the first reflector is formed of a curved surface, and shaped such that, when an image of the light source formed on the first reflecting surface of the first reflector is viewed from respective points on a first reflecting surface of the second reflector, an edge portion of the image of the light source corresponding to the edge of the light source appears to be inclined with respect to the horizontal direction.

Abstract: The present invention relates to improved electro-optic rearview mirror elements and assemblies incorporating the same. Area of the effective field of view of the electro-optic mirror element substantially equals to that defined by the outermost perimeter of the element.

Abstract: The invention relates to an LED light module (1) for a motor vehicle or for a head light for a motor vehicle, wherein the LED light module (1) has at least one LED light source (3) which comprises at least one light-emitting diode, and wherein the light (10, 11) which is emitted by the at least one LED light source (3) is emitted via at least one reflector (2) into a region located in front of a motor vehicle, wherein the light (10?, 11?) which is emitted via the reflector (2) forms a defined basic light distribution (30?), wherein according to the invention at least one shutter (4) is provided after the at least one LED light source (3) in the light exit direction, which at least one shutter (4) is located in the beam path of at least part of the light (20) which is emitted in the light exit direction by the at least one LED light source (3), and wherein the at least one shutter (4) is designed to reflect light at least in certain areas on its side (4?) facing the at least one LED light source (3), and where

Abstract: The invention relates to a LED collimator element for a vehicle headlight with a low-beam function, which emits at least visible light of one color from at least one region of a light source.

Abstract: The invention relates to a vehicle headlamp (1), comprising a first reflector arrangement, which has at least one stationary reflector (2), a second reflector arrangement, which has at least one reflector (3) that can be adjusted relative to the at least one stationary reflector (2) of the first reflector arrangement, at least two light sources (8, 9), wherein at least one of the light sources (16, 17) is associated with each of the reflectors (2, 3), and wherein each light source (16, 17) has at least one light-emit-ting diode, and a mounting body (4) for fastening the at least one stationary reflector (2) and the at least two light sources (16, 17), wherein the mounting body (4) comprises a main mounting body (5), on which the at least one stationary reflector (2) is mounted in a stationary manner, and an exchangeable mounting body (6), to which the at least two light sources (16, 17) are fastened, and wherein the at least one adjustable reflector (3) is arranged on the same side of the main mounting body (

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 vehicular lamp includes a lamp unit disposed inside a lamp chamber and an aiming mechanism. The lamp chamber is formed from a lamp body opening forward and a front cover attached to the front opening portion of the lamp body. The aiming mechanism is interposed between the lamp unit and the lamp body. The aiming mechanism performs an optical axis adjustment by tiltably supporting the lamp unit with respect to the lamp body. The aiming mechanism includes a rotational operation portion supported by a lamp body side fixing portion provided on the lamp body; a screw portion threadedly engaged with a lamp unit side fixing portion provided on the lamp unit; and a connection portion that joins the rotational operation portion and the screw portion. At least part of the connection portion has radial flexibility and no axial elasticity. Torque from the rotational operation portion is transmitted to the screw portion to move the lamp unit side fixing portion in the vehicle longitudinal direction.

Abstract: A vehicular lamp with a optical axis adjusting device includes a housing, a reflector assembly pivotably mounted to the housing, a light source assembly mounted to the reflector assembly, and the optical axis adjusting device mounted to the reflector assembly. The optical axis adjusting device includes a threaded shaft and a fulcrum. The fulcrum is pivotably mounted to the reflector assembly and threaded with the threaded shaft. When the threaded shaft is rotated, the fulcrum can move along the axial direction of the threaded shaft and meanwhile drive the reflector assembly to pivot with respect to the housing, so the angle of the optical axis of the vehicular lamp can be adjusted.

Abstract: A vehicle lighting unit can reduce the load applied to the actuator for driving a reflecting member as well as can improve the durability of the actuator. The vehicle lighting unit can include a light source, a reflecting member configured to reflect light from the light source toward an illumination area, an actuator including inner piezoelectric actuators and outer piezoelectric actuators configured to cause the reflecting member to swing (turn) around X and Y axes simultaneously, to thereby scan the illumination area with the reflected light from the reflecting member horizontally and vertically, and a controller configured to control the inner piezoelectric actuators and the outer piezoelectric actuators such that a scanning frequency in the vertical direction of the reflected light is larger than a scanning frequency in the horizontal direction of the reflected light.

Abstract: In some embodiments, a headlamp assembly can comprise: a reflector, a mounting bracket, a housing, and a light source. The reflector can have a lip at a light source opening and a peripheral rim with a reflector portion extending from the lip to a peripheral rim. The mounting bracket can be configured to attach to the reflector. The mounting bracket can comprise attachment structures configured to mate with the lip, and adjustment features that enable horizontal, vertical, and pivotal adjustment. The light source can extend into the reflector through the light source opening.

Abstract: A lighting device includes: a light guide plate having a light incident part in an end face and a light radiation part in a flat plate surface; a light source part opposed to the light incident part; a light shield member with which an area near the light incident part on the flat plate surface of the light guide plate is covered; and a switch part including a switch main body, a switch knob and a pressing member connected to the switch knob to press the switch main body by pressing down the switch knob. An end part of the switch knob opposed to a center of the flat plate surface of the light guide plate is located on the light shield member, and the end face of the light guide plate is located between a first virtual line passing the end part of the switch knob and perpendicular to the flat plate surface of the light guide plate and a second virtual line passing the center of the switch main body and perpendicular to the flat plate surface of the light guide plate.

Abstract: The present disclosure relates to a headlamp apparatus for vehicles. The headlamp apparatus includes a light emitting diode (LED) light source located at a first focal point and emitting light, a reflecting member surrounding the LED light source and reflecting light emitted from the LED light source, a lens unit disposed in front of the LED light source and allowing light to pass therethrough, a cooler disposed under the LED light source to cool the LED light source and having a leading end located behind a second focal point, a shielding part rotatably disposed at the second focal point between the LED light source and the lens unit within a lamp housing, and a drive unit connected to the shielding part to rotate the shielding part.

Abstract: The present invention provides: semiconductor-type light sources; a fixed reflector having reflection surfaces; movable reflectors having reflection surfaces; a solenoid; and a driving force transmission mechanism. The driving force transmission mechanism is made of: a rack that is elastically deformable; and pinions. A height H1 of a respective one of gear portions at each end part of the rack is greater in comparison with a height H2 of a respective one of gear portions at an intermediate part of the rack. As a result, the present invention is capable of maintaining a load between the rack and a respective one of the pinions at its required minimum level, and is capable of maintaining positional precision in stop location of the movable reflectors at high precision.

Abstract: A headlamp is disclosed. The headlamp includes a light source, at least one light shade, and a linear slide. The light source emits at least one light beam. The linear slide moves the light shade to shade at least one part of the light beam.

Abstract: An illuminating device for vehicles, in particular a tail light, with a housing containing at least one light source, a support accommodating the light source, and a reflector, and with a diffusion lens for covering an opening of the housing. The reflector, which is provided with an electrically conductive coating, is assigned charge dissipation path in such a manner that, when electrostatic charging of the reflector occurs, a dissipation current flows along the dissipation path to a connection to earth of the illuminating device.

Abstract: The present disclosure relates to a headlamp apparatus for vehicles. The headlamp apparatus includes a light emitting diode (LED) light source located at a first focal point and emitting light, a reflecting member surrounding the LED light source and reflecting light emitted from the LED light source, a lens unit disposed in front of the LED light source and allowing light to pass therethrough, a cooler disposed under the LED light source to cool the LED light source and having a leading end located behind a second focal point, a shielding part rotatably disposed at the second focal point between the LED light source and the lens unit within a lamp housing, and a drive unit connected to the shielding part to rotate the shielding part.

Abstract: Provided is an apparatus and method for providing a fail-safe in a head lamp apparatus.

Abstract: A thermal treatment apparatus having a first light source emitting a first light having light diffusion property, a reflectance measuring unit irradiating a treatment target with the light from plural directions by the first light source and determining a light reflectance of the treatment target, a light irradiation controller adjusting an intensity of a second light of a second light source on the basis of the light reflectance, the second light has diffusion property, and a thermal treatment unit irradiating the treatment target with the second light having adjusted the intensity of the second light by the light irradiation controller.

Abstract: A vehicular headlamp system and corresponding kit, including (left and right) headlamps and a mode switch (control mechanism) responsive to inputs from a mode switch console or other user interface arrangements, the combination of headlamps and mode switch providing high and low beam on-road illumination and a higher level of illumination for off-road illumination using the same light source in each headlamp as is used for the on-road illumination. Cooperation between a light source driver circuit in each headlamp and the mode switch results in the light source in each headlamp being driven by more or less current, as required by the selected mode. A (daytime) running lights mode of operation may also be provided using the same light source.

Abstract: A vehicle headlamp is provided with: a fixed reflector having reflecting surfaces made of parabola-based free curved faces; movable reflectors having reflecting surfaces made of parabola-based free curved faces; and semiconductor-type light sources having light emitting chips shaped like a planar rectangle. When the movable reflectors are positioned in a first location, a light distribution pattern for low beam is obtained. When the movable reflectors are positioned in a second location, light distribution patterns for high beams are obtained. When the movable reflectors are positioned in a third location, light distribution patterns for daytime running light are obtained. As a result, the vehicle headlamp can achieve downsizing, weight reduction, power saving, and cost reduction.

Abstract: An optical axis adjusting apparatus and vehicle light include a lamp housing and a reflector. The optical axis adjusting apparatus includes a ball joint via which the lamp housing and the reflector are connected, an aiming screw, a nut portion, and a support member. The nut portion is screwed onto the aiming screw and the support member is fit onto the aiming screw.

Abstract: A vehicle headlamp with improved vibration proof of a movable reflector is provided. The vehicle headlamp has: a holder; an upside movable reflector and a downside movable reflector; light sources; and a drive unit. The drive unit is made up of a motor and a drive force transmission mechanism. The drive force transmission mechanism rotates the upside and downside movable reflectors in reverse directions, respectively. As a result, the vehicle headlamp can improve the vibration proof of the upside and downside movable reflectors.

Abstract: A vehicle headlamp is provided with: a main reflector having a convergent reflecting surface; a semiconductor-type light source; a projecting lens; an auxiliary reflector having a parabolic reflecting surface; a shade and a light shading member that are structured integrally with each other; and a switching device. By means of the switching device, the shade and light shading member, which are structured integrally with each other, are switched and positioned in a first location and a second location, thereby allowing light distribution patterns for high and low beams to be switched and illuminated toward a forward direction of a vehicle. As a result, the vehicle headlamp becomes capable of achieving downsizing, weight reduction, power saving, and cost reduction.

Abstract: A lamp assembly (1) comprises at least a light source (8) and a reflector for reflecting light from the light source (8). The reflector is positionable with respect to the light source (8) in at least a first position and a second position to obtain a spot-like light emission in the first position and a more or less omnidirectional light emission, in the second position, of the light emitted by the lamp assembly (1). The lamp assembly (1) comprises a reflective layer (7). In the first position of the reflector at least part of the light is reflected by the reflector as well as by the reflective layer (7). In the second position of the reflector at least part of the light is reflected by the reflector and passes along the reflective layer (7).