Abstract: A vehicular cornering lamp which radiates beams having different light distribution patterns in accordance with different driving conditions such as different driving speed ranges. A bulb shade blocks light from a front filament from reaching a lower reflecting area on a reflecting surface of the reflector of the lamp while allowing light from the front filament to strike only an upper reflecting area, while an upward light blocking shade provided above and adjacent the light source bulb blocks light from the rear filament from reaching the upper reflecting area while allowing light from the rear filament to strike only the lower reflecting area. The active area of the reflecting surface of the reflector can be changed by switching illumination between the front filament and the rear filament.

Abstract: In a conventional vehicle headlamp, when improvement in the visibility at the time of turning the vehicle is attempted by turning the light distribution characteristic, if a part of the light is turned, the quantity of light becomes insufficient as a whole, and if the whole light distribution is turned, the visibility straight ahead becomes insufficient.

Abstract: The present invention is concerned with a lighting module for a vehicle headlight for giving a light beam of the cut-off type, particularly one which is adapted to use with light-emitting diodes. The module has a second reflector having a substantially elliptical surface for reflecting light rays and at least one light source arranged close to the first focus of the first reflector. The module also includes a second reflector for producing the cut-off or dipped output beam, the focus of this reflector being arranged close to the second focus of the first reflector. The module further includes a third reflector or bender, having a reflective top face and being situated between the first and second reflectors. This third reflector has a cut-off edge arranged close to the second focus of the first reflector, whereby to form the cut-off within the light beam. The light source is a light-emitting diode.

Abstract: A light reflector having a row of light reflecting segments separated by fold lines, wherein one segment is located at a top of the row and another segment is located at a bottom of the row. A pair of wings is connected at the sides of the row, each one of the wings including a plurality of light reflecting segments separated by fold lines, wherein at least some of the light reflecting segments of the row and at least some of the light reflecting segments of the wings form a shell-shaped arrangement wherein at least some light reflecting segments of the row and at least some light reflecting segments of the pair of wings are bent at their respective fold lines whereby the arrangement is generally curved along an imaginary line connecting the one segment and the another segment and generally curved along an imaginary line perpendicular to the first mentioned line.

Abstract: A vehicular lamp including a first LED light source that faces the back of the lamp so that its light is reflected forward of the lamp by a reflector, thus providing soft lighting due to an indirect lighting effect, the lamp further including a second LED light source that is disposed, so as to face the front of the lamp, on the front side of a circuit board that supports the first LED light source. A cover member that covers the circuit board is disposed on the front side of the second LED light source, and the cover member is formed with diffusion lens elements, thus allowing light from the second LED light source to be diffused and transmitted forward of the lamp and letting a portion of the lamp, which corresponds to the second LED light source, to appear brilliantly.

Abstract: A vehicle light assembly includes a reflector having a plurality of depressions, each depression having interruptions on a reflective surface thereof to maximize reflection. One or more light emitting diodes are disposed within each depression so as to be generally surrounded by the depression. A lens is disposed over the reflector for allowing light to pass therethrough. The lens may include a plurality of domes, each dome disposable over a light emitting diode or cluster of light emitting diodes. Preferably, each dome includes a central dimple lens and spaced apart ridges encircling the central dimple lens which serve to direct light in a selected manner.

Abstract: The invention proposes an indicator lamp comprising an optical axis oriented from the rear to the front, on which there is a light source which is provided for emitting a light flux towards the front, and of the type comprising an optical device for recovering and distributing the rays of light emitted by the source, with a view to providing an indicating faction that meets the regulations, wherein the optical device comprises a coaxial annular reflector and, in front of the light source a central optical part known as the light engine which is provided for distributing the rays of light emitted by the source in directions that are generally transverse about the optical axis, towards the coaxial annular reflector that is provided for distributing the rays of light axially towards the front.

Abstract: Light from an LED light source, which is placed to be directed toward the front of a lamp, is incident on a translucent member, and the light that is transmitted through the translucent member is reflected by a reflector toward the front of the lamp. An internal reflection portion that internally reflects light which is incident on the translucent member at a small angle with respect to an optical axis of the LED light source, in a direction which is substantially perpendicular to the optical axis, and a refraction portion that refracts light which is incident at a large angle with respect to the optical axis, in a direction which is substantially perpendicular to the optical axis, are formed on the surface of the translucent member. The LED emitted light can be caused to be incident on a reflective surface of the reflector in the form of substantially parallel beams which are directed in a direction that is substantially perpendicular to the optical axis.

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 light and sensor assembly (22) for use with a land craft, watercraft or aircraft. The assembly includes a shell (28) for mounting to, or that is a part of the body (24) of, the vehicle. Internal to the enclosed space defined by the shell is a socket and bulb assembly (30, 32) for providing light and heat. Also disposed in the shell is a transducer (36) that emits or receives energy as part of a proximity sensing assembly. The transducer is encased in a transducer housing (38). The transducer housing is positioned relatively close to the bulb so that the heat emitted by the bulb warms the transducer housing. This heat fosters the evaporation of water off the exposed face of the transducer housing so as to minimize the extent to which this water can inhibit the utility of the transducer.

Abstract: An optical coupling element for use in large numerical aperture collecting and condensing systems. The optical coupling element includes a curved surface such as a lens at the output of a tapered light pipe (TLP). The TLP in combination with the curved surface alters the divergence angle and the area of the light exiting the curved surface. Electromagnetic radiation emitted by a source is collected and focused onto a target by positioning the source of electromagnetic radiation substantially at a first focal point of a primary reflector so that the primary reflector produces rays of radiation reflected from the primary reflector that converge at a second focal point of the secondary reflector. The optical coupling element is positioned so that its input end is substantially proximate with the second focal point of the secondary reflector.

Abstract: A motor vehicle headlight has a light source cooperating with optical means to produce a beam which is generally spread widthwise. The optical means, such as a reflector, are adapted to produce in the beam two separate zones of maximum light intensity. The headlight gives two alternative functions, such as a short range lighting function for negotiating bends, and a foglight function, without the need for any movable optical components. The disclosure is also directed to a pair of vehicle lights so adapted, one on the right and one on the left of the vehicle.

Abstract: The present invention relates to a dipped headlight for a motor vehicle, comprising a light source cooperating with a mirror in order to form an illuminating beam with a V-shaped cut-off, the mirror comprising four regions arranged side by side, a first region giving the beam its width, a second region giving the beam its range under the horizontal part of the cut-off, a third region giving the beam its range under the inclined part of the cut-off, and a fourth part giving the beam its range along the longitudinal axis of the vehicle. According to the invention, each region is joined to the adjacent region without a step, the first region of the mirror has a reflecting surface which strongly spreads the light in the lateral direction, and the second and third regions are located on the same side of the light source.

Abstract: A motor vehicle headlamp comprises a light source, a reflector possessing first and second focal regions, and a converging lens. The source is located in the first focal region and the lens possesses a focus situated in the second focal region. The reflector and the lens have axes which are essentially coincident defining the optical axis of the headlamp. The headlamp is intended to generate a light beam exhibiting high intensity along the optical axis and a limited extension below the optical axis. A first area of the reflector extending in the vicinity of an axial vertical plane generates, in a focal plane of the lens, images of the source the center which is substantially offset with respect to the focus of the lens, while two second areas of the reflector located on either side of said first area generate, in the same focal plane, images of the source the centers of which pass close to or onto the focus of the lens.

Abstract: A motor vehicle headlamp comprises a source, a mirror possessing first and second focal regions, and a converging lens. The source is located in the first focal region and the lens possesses a focus situated in the second focal region. The mirror and the lens have axes which are essentially coincident defining an optical axis of the headlamp, and the headlamp further includes a mask located in the region of the focus of the lens, in order to project a beam an upper cut-off of which is defined by said mask. Finally, the mirror concentrates the light, in the vertical direction, towards a vertical focusing baseline extending substantially horizontally and transversely to the optical axis and passing close to the focus of the lens.

Abstract: Provided is a projector light source which can effectively project a light beam having a sufficient volume from a lamp as a light source, and which is highly accurate and is excellent in workability. The projector light source comprising an arc tube for emitting a light beam; and a concave reflector including a hold part for holding the arc tube, and having a concave reflection surface for reflecting the light beam from the arc tube so that the light beam outgoes through an opening of the reflector, the concave reflector comprising a first reflector located in the vicinity of the hold part for holding the light emitting tube, and second reflector located in a part other than the hold part, and made of a material different from that of the first reflector. Further, the first reflector is made of heat-resistant glass, and the second reflector is made a material containing a heat-resistant organic material having a thermal deformation temperature which is lower than that of the heat-resistant glass.

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 light assembly is configured to produce a large area of light emission from an LED light source. The LED light source is mounted within a concave reflector and oriented to face the rear of the reflector. A compound reflecting surface diverts axial light from the LED away from the axis of the reflector to avoid blockage by the LED support structure. A peripheral reflecting surface redirects the diverted light. The LED light source may be a linear array of LEDs aligned with a linear focal axis of the reflector.

Abstract: LED lamp assembly particularly adapted for automotive applications that utilizes one or more standard replaceable LED bulbs with changeable optics to make multiple beam patterns. Preferably the optic is molded and easily replaced. An electric module is mounted directly under the LED to facilitate the electrical connection and provide good thermal contact. The LED light source(s) and interchangeable optic are positioned and sealed in the base of a main reflector or the vehicle hull by means well known to those skilled in the art.

Abstract: A vehicle light assembly includes a reflector having apertures formed in a circumferential wall thereof which are configured to accept light emitting diodes therethrough in an orientation generally perpendicular to the circumferential wall. The reflector includes a reflective protuberance, which is typically multi-faceted, extending upwardly from an interior surface of the reflector and generally centered with respect to the light emitting diodes. Each facet of the protuberance directs light from the light emitting diodes to an upper lens. Multiple ridges extend upwardly from the interior surface of the reflector at approximately forty-five degree angles with respect to the light emitting diodes for directing the light emitted from the light emitting diodes to the lens. The configuration of the reflector enables the use of fewer light emitting diodes.

Abstract: An optical coupling element for use in large numerical aperture collecting and condensing systems. The optical coupling element includes a curved surface such as a lens at the output of a tapered light pipe (TLP). The TLP in combination with the curved surface alters the divergence angle and the area of the light exiting the curved surface. Electromagnetic radiation emitted by a source is collected and focused onto a target by positioning the source of electromagnetic radiation substantially at a first focal point of a primary reflector so that the primary reflector produces rays of radiation reflected from the primary reflector that converge at a second focal point of the secondary reflector. The optical coupling element is positioned so that its input end is substantially proximate with the second focal point of the secondary reflector.

Abstract: A vehicular headlamp which provides a low-beam light distribution pattern having a horizontal cut-off line and an oblique cut-off line and which enhances distant visibility in the traveling line by assuring a sufficient amount of light in a hot zone, even if the height of a reflector is small. The reflecting surface of the reflector is configured to have first reflecting zones which reflect light so as to form a horizontal cut-off line, and second reflecting zones which reflect light so as to form an oblique cut-off line. The second reflecting zones Z2 are provided at two positions on right and left sides of the lamp optical axis Ax which are arranged diagonally with respect to the lamp optical axis Ax. The amount of light in a hot zone HZ is increased by superimposing light distribution patterns produced by the light reflected from each of the second reflecting zones.

Abstract: A first lamp unit and a second lamp unit are arranged in two vertically-spaced stages within a lamp chamber, which is formed by a lamp body and a light-transmitting cover, in such a manner that the second lamp unit is disposed over the first lamp unit. The second lamp unit is so constructed that at least part of reflected light from a reflector can pass through the light-transmitting cover disposed forwardly of the first lamp unit. The direction of radiation of the beam from the second lamp unit can point downward, so that the light can be directed toward a zone of the road near and ahead of the vehicle.

Abstract: A vehicular lamp that radiates light by indirect illumination and employing a plurality of LED light sources, wherein the entire reflective surface of the reflector has a substantially uniform brightness and the degree of freedom of designing the outer shape of the lamp is increased. First and second LED light source groups are formed by arranging a plurality of LED light sources back-to-back in a row. First and second lens groups are formed by arranging a plurality of Fresnel lenses for forming light from each of the LED light sources into parallel light fluxes with the directions of the parallel light fluxes of each LED light source group being aligned. First and second reflectors are provided for reflecting the parallel light fluxes from each of the lens groups forward of the lamp.

Abstract: A vehicle lamp is constructed such that light exiting from an LED light source is converted into collimated light and such that the collimated light is reflected forward of the lamp by means of a reflector. At that time, the reflector portion has a stepwise reflection surface in which there are alternately formed a plurality of light incidence sections into which the collimated light enter and a plurality of intermediate sections into which no collimated light enters. Further, each of the intermediate sections is formed from an irregular surface formed so as to recess rearward of the lamp with respect to a plane parallel to the direction of radiation of the collimated light. By means of the irregular surface, stray light or the like included in the collimated light exiting from the optical member is reflected forward of the lamp. As a result, when the lamp is viewed from the front, the light incidence sections appear to glare, resembling spread spots, and the intermediate sections also appear to glare.

Abstract: A vehicular lamp radiating light emitted by LED light sources through indirect illumination and having uniform brightness. Light from LED light sources is directed upward into parallel beams by Fresnel lenses. The parallel beams are reflected in a frontward direction. A reflector is divided into sub reflectors that differ in height and angle of forward inclination The distance between each LED light source and a corresponding Fresnel lens increases in proportion to a decrease in height of a corresponding sub reflectors, and the intensity of the luminous flux impinging on each Fresnel lens decreases in proportion to a decrease in height of a corresponding sub reflectors. The intensity of luminous flux impinging on each sub reflectors decreases in proportion to a decrease in projected area in a forward direction of the lamp. The sub reflectors have uniform luminance and the entire reflecting surface appears uniform in brightness.

Abstract: A vehicular signal lamp providing a uniformly bright appearance even when the lamp is observed in a lateral direction. A reflecting surface of a reflector is composed of a plurality of reflecting elements for diffusing and reflecting in right and left directions the light from a light source bulb. A left direction maximum diffusion angle of the respective reflecting elements is set to a smaller value the nearer the reflecting element is located to the left end portion of the reflecting surface, and a right direction maximum diffusion angle R of the respective reflecting elements is set to a smaller value the nearer the reflecting element is located to the right end portion of the reflecting surface. Thereby, when the light is observed in a lateral direction by moving the viewing position from the light front direction to the right or left, the entire reflecting surface appears bright within a certain light viewing angle.

Abstract: A vehicular lamp utilizing an indirect lighting technique employing a plurality of LED light sources and which has a slim profile and improved appearance when lit. A reflector is provided which is composed of a plurality of small reflectors having a serrated shape and arranged in a linear array extending in the lateral direction. A LED light source is provided in a space to the side of each of the small reflectors, and light is radiated onto the reflecting surface of the adjacent small reflector. With this configuration, there is no need of providing a special cover member to hide the LED light sources when viewed from the front of the lamp. The small reflectors may also be arranged in a rectilinear array to achieve a uniformly illuminated generally planar surface.

Abstract: An indicator lamp for a motor vehicle is delimited at least on one side by a partition (22) running along the lamp over a substantial depth and comprises a light source (10), a flux concentrator and/or recuperator element (211), glazing (30), and an auxiliary reflecting area (212) able to direct, towards the glazing in the vicinity of the partition (22), an auxiliary luminous flux the average direction (x′-x′) of which is substantially inclined with respect to the principal axis of emission (x-x). The auxiliary reflecting area comprises a segment of axisymmetric paraboloid focused in the vicinity of the source, and the axis of which is oriented along the said average direction.

Abstract: The lighting device includes a light source (12) and a reflector (10), which is provided with a reflecting surface (16) with a basic shape formed so that light generated by the light source (12) is reflected from the reflecting surface (16) as a light beam with a predetermined characteristic. The reflecting surface is provided with a wave structure superimposed on the basic form and including alternating successive scattering wave sections (32; 42) and concentrating wave sections (34; 44). The extent (b) of the scattering wave section (32) perpendicular to the surface lines (33) is substantially larger than the extent (c) of the concentrating wave sections (34) perpendicular to the surface lines (35). Because of the wave structure the light beam reflected by the reflecting surface is scattered and made uniform.

Abstract: An automobile dome lamp assembly which includes a metal reflector unit, plastic lamp housing,cartridge lamp, and cover lens. The reflector unit comprises two concave reflector portions that are mounted on the plastic base in electrical isolation from each other. Each of the two reflector portions include a unitary electrical terminal and lamp retainer clip. The cartridge lamp is mounted to the reflector unit by the two retainer clips such that it is located in front of the reflector. Power supplied to the electrical terminals is routed to the lamp through the reflector portion and their unitary retainer clips. The reflector unit is stamped from a single pieces of metal frangible bridges interconnecting the two reflector portions. The reflector unit can be insert molded to the plastic housing and the frangible bridges are separate at that time to electrically isolate the two reflector portions.

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: Since sub-reflectors are built on left and right of a longitudinal main reflector, respectively, a headlamp can be made compact longitudinally if viewed from the front. By making the headlamp compact longitudinally if viewed from the front, the sub-reflectors are provided longitudinally, i.e., provided to be elongated vertically. Therefore, luminous intensity distribution patterns diffused downward can be obtained.

Abstract: A reflector for a light assembly of a motor vehicle has at least one reflector surface for rays emitted by an illumination element positioned at a spacing to the at least one reflector surface. The at least one reflector surface is a surface of revolution whose generatrix is part of a curve and ascends in a direction to the illumination element that is oriented toward the at least one reflector surface. The curve can be a parabola, an ellipse or a free-form curve.

Abstract: A vehicular headlight includes at least one light source that emits light when in use, a reflector having a main reflection surface so positioned relative to the light source as to reflect any light reaching the same from the light source in the form of at least a low light beam delimited at least by an upper light/dark boundary at its upper region as considered in the position in which the headlight is to be used, and a light-transmitting plate extending across the path of the light beam at a distance from the light source and at least substantially devoid of any optically active profiles. A reflection element is further provided that is integral with the reflector and has an additional reflection surface deviating in configuration from that of the basic reflection surface to reflect any light reaching the same from the light source in the form of an additional light beam to an additional region situated upwardly of the upper light/dark boundary.

Abstract: A reflective surface outline 100, on which there are restrictions due to requirements from a vehicle body constitution perspective and a design perspective, is set as a basic condition for reflective surface determination, and in addition segmentation conditions and reflection conditions are set. Then, based on these various conditions, the inside of the reflective surface outline 100 is segmented along the X-axis, which is set as a segmentation axis, to produce a plurality of reflection regions, and furthermore segment surfaces 110, 121 to 151 and 122 to 152 corresponding to the reflection regions are created based on reflection angles which have been set for the reflection regions. A surface shape for the reflective surface 10a as a whole satisfying a required light distribution condition is then determined from these segment surfaces.

Abstract: The present invention relates to a headlight device comprising in particular a light source, a mirror (80) exhibiting a reflecting surface and a transparent optical deflection element positioned in front of the mirror (80), the mirror (80) being capable of interacting with the light source in order to generate a beam bounded by a line of interruption, and the deflection element being capable of providing a horizontal displacement of the light without modifying the vertical distribution of the latter, the said headlight device being characterised in that it comprises and at least one detachment element (81) arranged on at least one of the surfaces of the mirror (80) or of the optical deflection element reached by the light to obtain a line of interruption (71;72) of the light beam that is not flat.

Abstract: A vehicle lamp is constructed such that light exiting from an LED light source is converted into collimated light and such that the collimated light is reflected forward of the lamp by means of a reflector. At that time, the reflector portion has a stepwise reflection surface in which there are alternately formed a plurality of light incidence sections into which the collimated light enter and a plurality of intermediate sections into which no collimated light enters. Further, each of the intermediate sections is formed from an irregular surface formed so as to recess rearward of the lamp with respect to a plane parallel to the direction of radiation of the collimated light. By means of the irregular surface, stray light or the like included in the collimated light exiting from the optical member is reflected forward of the lamp. As a result, when the lamp is viewed from the front, the light incidence sections appear to glare, resembling spread spots, and the intermediate sections also appear to glare.

Abstract: A light reflector having a row of light reflecting segments separated by fold lines, wherein one segment is located at a top of the row and another segment is located at a bottom of the row. A pair of wings is connected at the sides of the row, each one of the wings including a plurality of light reflecting segments separated by fold lines, wherein at least some of the light reflecting segments of the row and at least some of the light reflecting segments of the wings form a shell-shaped arrangement wherein at least some light reflecting segments of the row and at least some light reflecting segments of the pair of wings are bent at their respective fold lines whereby the arrangement is generally curved along an imaginary line connecting the one segment and the another segment and generally curved along an imaginary line perpendicular to the first mentioned line.

Abstract: When the vehicle body rolls to the oncoming lane, a light source bulb is turned to a direction opposite to a rolling direction to keep the posture of the light source bulb in an erect state. Accordingly, a horizontal cut-off line CL1 of a low-beam light distribution pattern P is prevented from slanting downward to the oncoming lane side. A horizontal cut-off line forming area 20a1 of a reflector 20 is formed with a plurality of reflection elements 20s1a and 20s1b and the like. Those elements are formed extending from the upper end to the lower end and slanting, at an angle of 5°, downward to the optical axis Ax1 with respect to the vertical direction. As a result, when the vehicle body rolls to the oncoming lane side, the reflection elements 20s1a and 20s1b and the like are substantially orthogonal to a light-dark borderline L1 formed by an inner shade 18c of the light source bulb, to thereby sharpen the horizontal cut-off line.

Abstract: LED lamp assembly particularly adapted for automotive applications that utilizes one or more standard replaceable LED bulbs with changeable optics to make multiple beam patterns. Preferably the optic is molded and easily replaced. An electric module is mounted directly under the LED to facilitate the electrical connection and provide good thermal contact. The LED light source(s) and interchangeable optic are positioned and sealed in the base of a main reflector or the vehicle hull by means well known to those skilled in the art.

Abstract: A strobe unit includes a light source carried by a reflector. The reflector has a plurality of reflecting regions arranged around the light source, each reflecting region including a partial parabolic section extruded linearly in a first direction, and a plurality of parabolic aiming sections extruded to a point and arranged between adjacent partial parabolic sections. The parabolic aiming sections are arranged to direct light from the light source substantially in a radial plane substantially parallel to the first direction. The reflector can also include a planar section arranged between the partial parabolic section and the parabolic aiming sections.

Abstract: A vehicular headlamp which provides a low-beam light distribution pattern having a horizontal cut-off line and an oblique cut-off line and which enhances distant visibility in the traveling line by assuring a sufficient amount of light in a hot zone, even if the height of a reflector is small. The reflecting surface of the reflector is configured to have first reflecting zones which reflect light so as to form a horizontal cut-off line, and second reflecting zones which reflect light so as to form an oblique cut-off line. The second reflecting zones Z2 are provided at two positions on right and left sides of the lamp optical axis Ax which are arranged diagonally with respect to the lamp optical axis Ax. The amount of light in a hot zone HZ is increased by superimposing light distribution patterns produced by the light reflected from each of the second reflecting zones.

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 lamp unit having a dome-shaped translucent panel disposed in front of several light sources is provided. Opening portions corresponding to certain light sources are formed crosswise in the translucent panel. A condenser lens is provided in the rear of each opening portion in the translucent panel. The dome-shaped portion of the translucent panel is formed as a half-mirror portion, whereby five small cross-shaped translucent domes are visible when the vehicle lamp is in an off state. The light sources positioned to the rear of the opening portions and the light sources positioned to the rear of the half-mirror portions provide an unexpected luminous intensity distribution.

Abstract: A vehicular lamp which radiates light emitted by LED light sources through indirect illumination and which has uniform brightness. Light emitted from the LED light sources is directed upward and formed into parallel beams by Fresnel lenses, and the parallel beams are reflected by a reflector in a frontward direction of the lamp. The reflector is divided into sub reflectors that differ in height and angle of forward inclination according to the areas on which the parallel light beams impinge. The distance between each of the LED light sources and the corresponding one of the Fresnel lenses increases in proportion to a decrease in the height of the corresponding one of the sub reflectors, and the intensity of the luminous flux impinging on each of the Fresnel lenses decreases in proportion to the decrease in the height of the corresponding one of the sub reflectors.

Abstract: The present invention relates to a headlight for a motor vehicle, comprising a first reflector (20, 20′) of elliptical shape, at a first focus (F1) of which is located a main light source (10), the light rays emitted by this source (10) and reflected by the elliptical reflector (20, 20′) being directed towards a concentration spot located at a second focus (F2) of the elliptical reflector (20, 20′), the first (F1) and second (F2) focuses of the elliptical reflector (20, 20′) defining a main optical axis (Oy) of the elliptical reflector (20, 20′), a convergent lens (30) being placed such that its optical axis is coincident with the main optical axis (Oy) of the elliptical reflector (20, 20′) and that the second focus (F2) of the reflector (20, 20′) is located on the focal line (LF) of the lens (30) in order to emit a light beam of rays parallel to the main optical axis (Oy).

Abstract: A headlamp in which a right elliptic reflecting surface and a left elliptic reflecting surface are provided on a position toward an upper front portion of the bulb, a right parabolic reflecting surface is provided on a position toward a right lower portion of said main reflecting surface, and a left parabolic reflecting surface is provided on a position toward a left lower portion of said main reflecting surface, whereby waste light can be recovered and used as irradiating light. A headlamp in which the elliptic reflecting surfaces which capture light emitted upwardly and forwardly from the bulb and parabolic reflecting surfaces which reflect said light in a desired direction are provided. A light-distribution varying means is provided in the optical path of the parabolic reflecting surfaces, whereby it becomes possible to switch between light distributions.

Abstract: A light reflector having a row of light reflecting segments separated by fold lines, wherein one segment is located at a top of the row and another segment is located at a bottom of the row. A pair of wings is connected at the sides of the row, each one of the wings including a plurality of light reflecting segments separated by fold lines, wherein at least some of the light reflecting segments of the row and at least some of the light reflecting segments of the wings form a shell-shaped arrangement wherein at least some light reflecting segments of the row and at least some light reflecting segments of the pair of wings are bent at their respective fold lines whereby the arrangement is generally curved along an imaginary line connecting the one segment and the another segment and generally curved along an imaginary line perpendicular to the first mentioned line.

Abstract: A method of designing a reflective surface of a reflector used in a vehicle lamp includes a first base curve generating step of generating a first base curve Q; a second base curve generating step of generating a plurality of second base curves R; and a surface shape generating step of generating a surface shape of the reflective surface RS, based on the first base curve and the plurality of second base curves, wherein the first base curve generating step includes repeating a step of generating one partial curve Qi and thereafter generating a subsequent partial curve Qi+1 so as to be connected to the partial curve, thereby generating one first base curve Q consisting of a plurality of partial curves Qi connected to each other, and wherein each partial curve Q1 is generated based on a shape parameter according thereto.