Abstract: A projection-type headlamp producing a low-beam light distribution pattern having a cut-off line and which provides improved visibility for the driver of the vehicle with a reduced possibility of inflicting glare on drivers of oncoming vehicles. A low-beam light distribution pattern is synthesized from a base light distribution pattern, formed by a projection-type lamp unit, and a pair of additional light distribution patterns, formed by light reflected from a pair of additional reflectors provided on right and left sides of a lamp unit body. The additional light distribution patterns are superimposed on a horizontal cut-off line having a level difference within the base light distribution pattern. The contrast between the area above the horizontal cut-off line and the area below the horizontal cut-off line is accordingly reduced.

Abstract: A vehicular headlamp which radiates a beam forward in a predetermined low-beam light distribution pattern using a projection-type lamp unit and with which visibility to the sides of a vehicle is improved without having a significant effect on the formation of the low-beam light distribution pattern. A first additional reflector for reflecting light from a discharge light source of a discharge bulb forward is disposed below a discharge bulb of the projection-type lamp unit. A second additional reflector for reflecting reflected light from the first additional reflector to one side is provided in front of the first additional reflector. An additional light distribution pattern that partially overlaps a side portion of the low-beam light distribution pattern is formed, thereby providing improved illumination of road zones to the sides of the vehicle.

Abstract: A vehicular lamp having a projection-type light source unit installed in its lamp chamber. The projection-type light source unit includes a reflector that has a light source and a cylindrical lens holder that is disposed on the front end of the reflector and is provided with a convex lens at its front end so that the peripheral portion of the convex lens is fixed to the front edge of the lens holder by a lens fixture. The lens holder has, on the inner or interior side of the front edge, a lens engaging portion so that the peripheral portion of the convex lens is engaged with this lens engaging portion from behind, and the convex lens is securely held at its peripheral portion on the lens engaging portion by the lens fixture (a lens fitting, a fastening screw, a boss having a screw hole) provided inside the lens holder.

Abstract: A headlight for a motor vehicle includes a clear, front cover plate (12), at least one light source (14), and at least one reflector (16) associated with the light source (14). A beam shield (14) for avoidance of glare produced by headlights of oncoming vehicles is provided, with the beam shield (18) being disposed between the light source (14) and the cover plate (12). The beam shield (18) has a structured surface (26) with an arbitrary or selected geometric pattern on an inner side facing said light source (14).

Abstract: The present invention concerns a lighting device for an automobile, comprising a light source situated at the first focus of a reflector of the elliptical type, a convergent lens being disposed in front of the light source so that the second focus of the elliptical reflector is contained in the object focal plane of the convergent lens, the first and second foci of the elliptical reflector defining an optical axis of the lighting device. According to the present invention, an obscuring element is disposed substantially perpendicular to the optical axis and at a distance from the object focal plane of the convergent lens.

Abstract: In a projector-type lamp unit, a shade is pivotally supported on a holder provided between a reflector and a projection lens. This support is provided at a plurality of regions disposed on an axis Ax1 of pivotal movement of the shade. This support at the plurality of regions is effected through a single shaft extending in a direction of the pivotal movement axis.

Abstract: A lamp assembly comprising a transparent body having a front surface and a back surface, the back surface having at least one convex curved portion, each such convex curved portion having at least one axis perpendicular to the front surface, and an internally reflective curved surface facing the front surface of the transparent body, a cavity in each convex curved portion, having sidewalls and a bottom, adapted to receive a light emitting source, and a reflective surface at the bottom of each cavity oriented so that light emitted by the light emitting source is reflected by the reflective surface onto the internally reflective curved surface of the convex curved portion. In some embodiments, the internally reflective curved surface also provides one or more electrical circuits for one or more light emitting sources.

Abstract: A projection-type headlamp serving also as an infrared light-emitting lamp assuring a sufficient intensity of infrared light irradiation ahead of a vehicle while preventing glare to oncoming vehicles in the adjacent lane. The headlamp is provided with an ellipsoidal reflector, a light source, a shade in the form of an infrared light-transmitting film for reflecting visible light and while allowing infrared light to pass through, and a projection lens for forming simultaneously a predetermined visible light beam pattern and a predetermined infrared light beam pattern, in which an upper edge portion of the shade is positioned above the optical axis of the reflector. A cut line and a hot zone of the visible light beam pattern are set beneath the horizontal line on a light distribution screen so that the visible light beam cannot cause glare for drivers of oncoming vehicles in the opposite lane, and a hot zone of the infrared light beam pattern is set on the horizontal line on the light distribution screen.

Abstract: Due to an effect of a solenoid of a moving mechanism, when a valve and a shutter are positioned at a first position, a light source is positioned at a first light source position and a shutter is in a state of closing a window. A lighting luminous flux from a light source is reflected by a reflector so as to be irradiated as a first light distribution pattern. Thus, a part of the lighting luminous flux is introduced to the reflector from the open window. Therefore, it is possible to effectively utilize the lighting luminous flux emitted from one valve in correspondence to a light distribution pattern.

Abstract: A vehicular lamp used in a vehicle includes a semiconductor light emitting element for producing light, a sealing member formed of a material, through which the light passes, for sealing the semiconductor light emitting element, a fixing member for fixing the semiconductor light emitting element by fitting an apparent position of one side of the semiconductor light emitting element when viewed through the sealing member into a reference position to which the semiconductor light emitting element is to be attached, and an optical member for forming at least a part of a cut line, which determines a boundary between bright and dark of a light distribution pattern of the vehicular lamp, by projecting a shape of the one side of the semiconductor light emitting element out of the vehicular lamp.

Abstract: A conventional projector headlamp has low efficiency because an amount of light is shaded almost half by a shutter for a low-beam light distribution. In addition, only a projection lens is seen in the installed condition, inviting old-fashioned designs disadvantageously. In a projector headlamp (1) of the invention, a vertical section passing through the center of a projection lens (5) includes a convex front surface and a flat rear surface (5a). A line connecting the upper end to the lower end on the rear surface (5a) is tilted to the vertical. Thus, the projection lens (5) has a prismatic action for directing the entire light downward. This is effective to reduce an amount of light to be shaded by a shutter (4) and provide improved brightness and novel designed appearances.

Abstract: A vehicle lamp that includes an integrated sensor for interacting with an operating environment of a vehicle is provided. The vehicle lamp includes a sensor and a light channel adapted to transmit data received by the sensor. The vehicle lamp can also include a flat wire that has a component integrally formed by the light channel. A vehicle illumination and data transmission system is also provided. The system includes vehicle lamps according to the present invention, and can include sensor processors located within each of a plurality of lamps, or sensor processors that are centrally located within the vehicle. A system processor is connected to the sensor processors and enables operating decisions based upon data received from the environment by the sensors.

Abstract: A lighting unit for a low beam is provided with a movable shade constituted to take a shielding position in which a part of light incident on a reflector from a light source is shielded and a shielding release position in which the shielding is released. When a vehicle speed exceeds a predetermined set vehicle speed, or when a vehicle turns toward the opposite lane side, the movable shade is moved to the shielding release position, thereby adding auxiliary light distribution patterns P(B) and P(C) having cutoff lines CLb and CLc above cutoff lines CL1 and CL2 of a low beam distribution pattern P(L) to the low beam distribution pattern P(L) to carry out beam irradiation. Thus, the visibility of a distant road is enhanced.

Abstract: A vehicle light can include a light source, a major reflecting surface, a projection lens, and a shutter. A first reflecting surface of an ellipse group reflecting surface preferably has a first focus on the light source and a second focus, capable of being inserted in or removed from an optical path from the light source to a second fixed reflecting surface. A first fixed reflecting surface of a parabolic group reflecting surface can include a focus on the second focus of the first reflecting surface, and at least two second reflecting surface elements. The second fixed reflecting surface can include a first focus on the light source and at least two third reflecting surface elements for reflecting light rays that have traveled an optical path from the light source thereto without being reflected by the first reflecting surface.

Abstract: A first shade 32 is properly moved to vertically shift the position of a cutoff line, and furthermore, a lighting unit 20 is properly tilted in a vertical direction to displace a whole light distribution pattern in the vertical direction. Consequently, a light irradiation is carried out with a light distribution pattern at an irradiation angle corresponding to a vehicle traveling situation. In that case, a second shade 34 is properly moved to form a dark portion in a central part on the lower end of the light distribution pattern in a predetermined size if necessary. Consequently, the amount of a light irradiation on a short-distance region can be controlled finely, and a road surface on this side can be prevented from becoming too bright in a high-speed travel and a light reflected by the road surface which causes a glare can be prevented from being generated in a rain travel.

Abstract: A vehicular headlamp for emitting light with a predetermined light distribution pattern, includes a semiconductor light emitting element including a substantially linear light emitting area for generating the light therefrom, and an optical device for forming at least a part of a cut line to determine a boundary between bright and. dark with regard to the light distribution pattern by reflecting or deflecting the light generated by the semiconductor light emitting element and projecting a shape of the light emitting area. The vehicular headlamp may further include a plurality of the semiconductor light emitting elements being arranged in a row in a direction corresponding to at least a part of the cut line, wherein the optical device forms at least a part of the cut line by projecting the shape of the light emitting area with regard to each of the plurality of semiconductor light emitting elements towards positions arranged in a row over at least a part of the cut line.

Abstract: The invention concerns a lamp device for a motor vehicle, comprising at least one reflector, a light source producing a set of light signals possibly being reflected by the reflector, an output lens, comprising an input surface, an output surface and a focus, for producing a light beam, and a mask disposed between the reflector and the output lens for implementing a cutoff in the light beam produced.

Abstract: A vehicle light can include a light source, a major reflecting surface, a projection lens, and a shutter. A first reflecting surface of an ellipse group reflecting surface preferably has a first focus on the light source and a second focus, capable of being inserted in or removed from an optical path from the light source to a second fixed reflecting surface. A first fixed reflecting surface of a parabolic group reflecting surface can include a focus on the second focus of the first reflecting surface, and at least two second reflecting surface elements. The second fixed reflecting surface can include a first focus on the light source and at least two third reflecting surface elements for reflecting light rays that have traveled an optical path from the light source thereto without being reflected by the first reflecting surface.

Abstract: A lamp structure is constructed to include a transparent opencell housing with a predetermined wall thickness, the housing comprising an inner mirror layer and an outer mirror layer respectively coated on the inner and outer surfaces thereof, a light admitting face in the outside peripheral rim thereof neighboring the mirror layers, and a light source installed in a lamp socket formed integral with the housing and controlled to emit light into the predetermined wall thickness, for enabling light rays to be mutually reflected between the mirror layers and guided toward the light admitting face in the outside peripheral rim of the housing to form a light ring.

Abstract: A headlight for vehicles with a projection module is provided, which includes a bowl-shaped reflector, an illumination unit dedicated to the reflector, a lens, and a shutter arranged between the lens and the reflector. The shutter forms a light-dark-border of a light bundle. The lens features a convex front side facing away from the reflector and an optical element mounted to the headlight in the lower middle margin area on the front. The light beams emerging from the optical element are directed to an area above the light-dark-border of the light bundle of the headlight. In vertical second planar sections, to which the optical axis of the projection module extends perpendicularly, the surface of the optical element is concave-shaped, and in vertical planar sections extending parallel to the optical axis, it is convex-shaped.

Abstract: A method and apparatus for a high temperature corrosion resistant composition. The composition is formed into a bulb shield for a vehicle, including automobiles and motorcycles. An alloy composition may be used to stamp a bulb shield. The bulb shield may comprise a cup portion and a connector. Either the cup portion, the connector, or both may comprise an Inconel® alloy composition. The bulb shield may be positioned in front of a headlight bulb to steer light in a desired direction. The bulb shield may be electropolished to provide a decorative attribute to the lamp. The bulb shield may be exposed to high temperatures from the headlight bulb. The Inconel® composition resists deterioration and discoloration of the bulb shield due to the high temperatures. The Inconel® 600 composition also improves the durability of the bulb shield.

Abstract: The invention proposes a motor-vehicle headlamp (10), of the type including a main optical system (23) which comprises, arranged from back to front overall along a main optical axis (A—A), a main light source (16), a main reflector (14) of the elliptical type, and a converging main lens (18), characterised in that it includes a secondary optical system (36) comprising: a secondary light source (48) which is arranged behind the main lens (18) and off the path of the light rays emitted by the main light source (16); and an optical distribution element (42) which is interposed between the secondary light source (48) and the exit surface (19) of the main lens (18), in such a way as to form, at the exit from the main lens (18), a secondary regulatory beam for indicating.

Abstract: A bulb shield for use in an automotive headlamp assembly, and a method for making same. The bulb shield includes a cup portion and a portion which extends from the cup portion and is configured for mounting to a reflector of the automotive headlamp assembly or to another, proximate structure. When the bulb shield is mounted, the cup portion is generally horizontally aligned with a headlamp bulb in the automotive headlamp assembly, thereby eliminating a “hot spot” which would otherwise be viewable when looking into the headlamp beam. The bulb shield includes a part made of a glass and polymer blend, and at least a portion of the part includes a vacuum aluminized coating. Such a bulb shield is relatively inexpensive and easy to make, yet can withstand the high temperatures which are typically experienced in an automotive headlamp assembly. Additionally, the bulb shield may include a complex cup shape.

Abstract: A vehicle lamp including a reflector, which has a light source and is housed in a lamp chamber defined by a lamp body and a front lens, and a shade, which is attached at its first and second legs to the reflector so as to be in front of the light source. The first leg is fastened to the reflector by a screw; and the second leg is connected to the reflector by an engaging piece of substantially an L-shape that is formed at an end of the second leg and is engaged with an engaging hole formed in the reflector. The engaging piece extends from shoulder portions of the second leg, and the length between the shoulder portions to a head portion at the tip end of the engaging piece is set to be substantially equal to the longitudinal length of the engaging hole of the reflector.

Abstract: A method for designing a projection-type headlamp, and a projection-type headlamp produced thereby, that allows the position of a shade member and a light source to be set so that the luminous utilization efficiency is optimized for a given allowable height of the headlamp. Design values of the lens diameter and focal distance of the projection lens are set, and characteristics of the luminous utilization efficiency obtained in a case where the first focal point F1 and second focal point F2 of the reflector are changed are determined, and characteristics of the diffusion angle in the vertical light direction obtained in a case where the first focal point F1 and the second focal point F2 are changed are also determined.

Abstract: A motor vehicle headlight comprises a support, a lamp with two light sources, and a reflector with a first reflective surface and a second reflective surface. These surfaces reflect light from the lamp to give a first light beam and a second light beam. The first reflective surface is rotatable about an axis with respect to the support, in such a way as to direct the first beam towards the inside of the bend being followed by the vehicle.

Abstract: A headlamp and method for illumination of the headlamp in which during low beam irradiation, a light distribution pattern P(L) for a low beam is formed by turning on a lighting unit for a low beam and during high beam irradiation, a lighting unit for a high beam is also turned on at the same time to superpose an additional light distribution pattern P(H1) for a high beam thereon, thereby forming a light distribution pattern P(H) for a high beam. During the high beam irradiation, furthermore, a tilting unit of the headlamp is tilted upward by approximately 1.5 degrees and a hot zone HZ(L) of the light distribution pattern P(L) for a low beam is moved to a long distance region in a road placed ahead of a vehicle, thereby enhancing a distance visibility.

Abstract: The invention relates to a high-pressure discharge lamp for motor vehicle headlights which is provided with an annular flange (127) for mounting the high-pressure discharge lamp in the lamp holder of the motor vehicle headlight. According to the invention, the annular flange (127) is fixed on the base (125) by means of a snap or latching connection and is adapted to the lamp holder of motor vehicle headlights for halogen incandescent lamps. As a result, the high-pressure discharge lamp according to the invention can be inserted in motor vehicle headlights for halogen incandescent lamps.

Abstract: A vehicular headlamp in which the radial beam of radiated light is continuously adjustable between a first position and a second position. Semi-cylindrical lamp shields surround a lamp. The lamp shields are attached to gears which operate to rotate the lamp shields radially about the lamp. An actuator is attached to the gears, such the actuator can turn the gears in order to rotate the lamp shields. The actuator is controlled by a circuit which prevents over-rotation. The actuator may move in very small increments, such that the lamp shields may be continuously adjustable between the first position and the second position. The lamp shields are thus continuously adjustable to vary the projected radial beam of the headlamp.

Abstract: A vehicular headlamp includes a light source, a reflector for radiating light emitted from the light source forwards, and a cover lens for covering an area in front of the reflector and the light source, wherein the light distribution pattern of the low beam emitted by the vehicular headlamp has a horizontal cut line at least on the side of the opposite lane and wherein a long-distance visibility enchancing portion extending above the horizontal cut line of the light distribution pattern is formed at an end portion of the horizontal cut line.

Abstract: A projector-type vehicular headlamp including a shade partially blocking light reflected by a reflector and a visor-like shield plate attached on the back of the shade. The shade has an opening near the upper edge so as to allow a light distribution pattern to be formed for overhead sign illumination by the light radiated forward through the opening. The visor-like shield plate extends obliquely downward from between the upper edge of the shade and the opening, thus allowing only the reflected light from the lower reflecting area of the reflecting surface to be directed to reach the opening of the shade, and preventing light flux of an overhead sign illuminating light from becoming excessively bright.

Abstract: A device for projecting image data in a motor vehicle includes a projection surface secured to a roof inside the vehicle and a projector secured at the rear behind the passengers watching the projection.

Abstract: A light assembly, particularly for a motor vehicle, essentially consists of a housing covered by a clear, optically inactive covering pane in which at least one light unit is arranged which is formed of a light with a pertaining reflector. A screen, which is constructed as a semireflecting mirror, is arranged between the covering pane and the light unit. The screen separates a rearward light unit space accommodating the light unit from a forward light unit space formed by the screen and the covering pane, so that the rearward light unit space cannot be seen on the inside by a viewer looking in the direction of the light unit. The screen is transparent for the light emitted by the light when the light is switched on.

Abstract: The invention relates to a double-filament halogen incandescent lamp for a motor vehicle headlamp. In order to reduce the light shading effects caused by the filament holder, at least one of the power supply wires (8) is provided with a section (8a) that projects out of the common plane of the power supply wires (7, 8, 9) and is guided past the main filament (5), this section (8a) being shaped such that light beams that are emitted by the main filament (5) perpendicular to its filament axis are not obstructed by the power supply wire (8).

Abstract: A structure of light box assembly is disclosed in the invention, which includes an upper plastic frame and a lower plastic frame, and each of them can be formed by a plastic sheet or two same plastic sheets. Besides, at least four supporting columns are used to connect and support the two plastic frames. In addition, a plurality of side plate, an upper cover plate, and a lower cover plates are separately installed according to different planes formed by each of the plastic frames and each of the supporting columns so as to construct a box body. Also, an erect diffusion plate is provided at each corner of the box body corresponding to the position of its relative supporting column so that each of the four diffusion plates is to cover the outer field of each of the vertical light tubes. Thus, uniformly distributed light can be provided, and a solid and uniform light source can be provided as well.

Abstract: The object of the invention is an illumination and/or indicating device for a vehicle comprising a mask (1) constituting the perimeter of the side walls of at least two cavities (2, 3) intended to house at least one bulb in each of them. Said mask (1) comprises at least two parts (A, B) mechanically fixed to one another, preferably so as to be removable, at least one (A) extending as a reflector or a portion of reflector (6).

Abstract: The present invention of a haloed vehicle light mainly includes a primary light-emitting socket, a secondary light-emitting socket, an outer reflector, an inner reflector and a light-permeable shield; the inner reflector is disposed inside the outer reflector and both of them are spaced at a proper interval distance; both of the primary and secondary light-emitting sockets are disposed with a light-emitting body; a projector with the function of refraction can be additionally disposed inside the inner reflector; a luminous washer can be additionally disposed in front of the frame of the inner reflector; a plurality of ring-shaped and light-reflecting saw teeth are disposed on the inner wall of the light-permeable shield incorporating with the luminous washer; the vehicle light of the present invention has a central light area, an outer circular light area, a luminous area and is capable of generating various applicative functions.

Abstract: In a headlamp having a single filament bulb or discharge bulb, there is provided a movable shade that can appear from a reflection mirror located above the single filament bulb. In a usual condition, the movable shade is pulled at the back of the reflection mirror located above the single filament bulb. Then, a light emitted from the single filament bulb is condensed by the reflection mirror and irradiates a very long distance thereby to make a high-speed traveling possible. On the contrary, when it is rainy or foggy, the movable shade is protruded in the front of the reflection mirror. Then, a part of a light emitted from the single filament bulb is shielded by the movable shade, and the road surface in 20-40 m front of the vehicle is darkened thereby to reduce surface reflection from the road surface.

Abstract: A vehicular headlamp which radiates a beam forward in a predetermined low-beam light distribution pattern using a projection-type lamp unit and with which visibility to the sides of a vehicle is improved without having a significant effect on the formation of the low-beam light distribution pattern. A first additional reflector for reflecting light from a discharge light source of a discharge bulb forward is disposed below a discharge bulb of the projection-type lamp unit. A second additional reflector for reflecting reflected light from the first additional reflector to one side is provided in front of the first additional reflector. An additional light distribution pattern that partially overlaps a side portion of the low-beam light distribution pattern is formed, thereby providing improved illumination of road zones to the sides of the vehicle.

Abstract: A vehicle lamp that includes an integrated sensor for interacting with an operating environment of a vehicle is provided. The vehicle lamp includes a sensor and a light channel adapted to transmit data received by the sensor. The vehicle lamp can also include a flat wire that has a component integrally formed by the light channel. A vehicle illumination and data transmission system is also provided. The system includes vehicle lamps according to the present invention, and can include sensor processors located within each of a plurality of lamps, or sensor processors that are centrally located within the vehicle. A system processor is connected to the sensor processors and enables operating decisions based upon data received from the environment by the sensors.

Abstract: The present invention relates to a projection device in which a projection lens has undergone arrangements at its exit surface, and more particularly side areas of this exit surface. The arrangements are intended to divert certain light rays emitted by a light source of the light in order to illuminate overhead lights without interfering with the homogeneity of the light beam of said light. The arrangements made may consist of protuberances in the form of serrations.

Abstract: A method and apparatus for a high temperature corrosion resistant composition. The composition is formed into a bulb shield for a vehicle, including automobiles and motorcycles. An alloy composition may be used to stamp a bulb shield. The bulb shield may comprise a cup portion and a connector. Either the cup portion, the connector, or both may comprise an Inconel® alloy composition. The bulb shield may be positioned in front of a headlight bulb to steer light in a desired direction. The bulb shield may be electropolished to provide a decorative attribute to the lamp. The bulb shield may be exposed to high temperatures from the headlight bulb. The Inconel® composition resists deterioration and discoloration of the bulb shield due to the high temperatures. The Inconel® 600 composition also improves the durability of the bulb shield.

Abstract: The invention proposes a headlight (10) producing a principal lighting beam with cutoff, comprising a principal light source (16) which is arranged in the vicinity of a first focus (F1) of the reflector (14), a shield (22) which comprises a cutoff edge (34) arranged in the vicinity of a second focus (F2) of the reflector (14), so as to form the cutoff in the principal lighting beam, and a convergent lens (18), a focal plane of which passes close to the second focus (F2) of the reflector (14), a secondary light source (42) being arranged between the shield (22) and the lens (18);

Abstract: An infrared light irradiation lamp comprises a lighting chamber S formed by a lamp body 12 and a front lens 14, a reflector 16 provided in the lamp body 12, a light source 20 provided ahead of the reflector 16 in the lighting chamber S, and a cylindrical globe 30 for infrared light formation which is provided to cover the light source 20 and serves to shield a visible light and to transmit only an infrared light, wherein diffusion steps 17 and 15 are provided in a peripheral region 16a of the light source in the reflector 16 and/or a region 14a in the front lens 14 corresponding to the peripheral region 16a of the light source in the reflector.

Abstract: A vehicular headlamp includes a bulb with two filaments disposed one behind the other, a bulb internal shade provided in the vicinity of the front filament, and a reflector for reflecting light produced by the filaments. The reflector includes an upper part and a lower part. A bulb external shade is provided outside the bulb. The bulb internal shade prevents light produced by the front filament from entering into the lower reflector part, and the bulb external shade prevents light produced by the rear filament from entering into the upper reflector part.

Abstract: A light shield is adapted to be mounted within a headlamp assembly and includes a shield portion having an inner surface and an outer surface and a support portion which is adapted to mount the shield portion within a headlamp assembly. The outer surface of the shield portion has a decorative finish and the inner surface of the shield portion has a reflective finish, which is adapted to reflect light back within the headlamp assembly into which the light shield is mounted.

Abstract: An infrared irradiation lamp having a lamp housing S formed by a Lamp body 12 and a front lens 14, a reflector 16 provided in the lamp body 12, a bulb 20 inserted and attached into a bulb insertion attachment hole 13 of the reflector 16 and provided ahead of the reflector 16, and a cylindrical globe 30 for infrared light formation which is provided to cover the bulb 20 and serves to shield a visible light and to transmit only an infrared light, wherein a metallic bulb holder 60 having a radiation fin 68 extended to the back of the reflector 16 is provided between the bulb insertion attachment hole 13 and a mouth piece 21 of the bulb 20. Heat generated by turning on the bulb 20 is transferred to the bulb holder 60 and is radiated from the radiation fin 68 provided on the back of the reflector 16 to a space provided on the back of the reflector 16 so that the inside of the globe 30 is not filled with the heat.

Abstract: A projector-type vehicular headlamp including a shade partially blocking light reflected by a reflector and a visor-like shield plate attached on the back of the shade. The shade has an opening near the upper edge so as to allow a light distribution pattern to be formed for overhead sign illumination by the light radiated forward through the opening. The visor-like shield plate extends obliquely downward from between the upper edge of the shade and the opening, thus allowing only the reflected light from the lower reflecting area of the reflecting surface to be directed to reach the opening of the shade, and preventing light flux of an overhead sign illuminating light from becoming excessively bright.

Abstract: A projection-type headlamp producing a low-beam light distribution pattern having a cut-off line and which provides improved visibility for the driver of the vehicle with a reduced possibility of inflicting glare on drivers of oncoming vehicles. A low-beam light distribution pattern is synthesized from a base light distribution pattern, formed by a projection-type lamp unit, and a pair of additional light distribution patterns, formed by light reflected from a pair of additional reflectors provided on right and left sides of a lamp unit body. The additional light distribution patterns are superimposed on a horizontal cut-off line having a level difference within the base light distribution pattern. The contrast between the area above the horizontal cut-off line and the area below the horizontal cut-off line is accordingly reduced.

Abstract: A headlamp for a vehicle, including a framework and at least one shading screen mounted for rotation about a rotational axis with respect to the framework. The rotational axis is inclined with respect to a principal axis of illumination of the headlamp.