Abstract: A lighting module able to give a light beam with cut-off line for a motor vehicle headlight, comprising a light source, a reflector, a dioptre serving as an exit lens or an exit lens, and a reflective folder. The light source is combined with a collimator in order to give a beam that can be assimilated to a parallel beam, substantially orthogonal to an exit plane of the collimator. The reflector and the dioptre or lens may be combined in a single piece made from transparent material, and the surface of the reflector and that of the folder means work in total reflection according to an air/transparent material interface.

Abstract: A vehicular headlamp for emitting light ahead of an automobile, includes: a semiconductor light emitting device; a reflector, having its optical center on the semiconductor light emitting device, for reflecting light generated by the semiconductor light emitting device forward; and a light transmitting member formed from material that transmits the light generated by the semiconductor light emitting device in such a manner that the light transmitting member covers the semiconductor light emitting device, the light transmitting member deflecting forward a part of the light generated by the semiconductor light emitting device and transmitting another part of the light generated by the semiconductor light emitting device toward the reflector.

Abstract: A vehicular lamp has a plurality of light source modules for emitting light. Each of the light source modules has a semiconductor light-emitting element, a lighting circuit operable to control an electric current flowing into the semiconductor light-emitting element to turn the semiconductor light-emitting element on and off, a power cable operable to supply electric power from a power source located outside the vehicular lamp to the lighting circuit, a control cable operable to transmit a control signal that controls turning the semiconductor light-emitting element on and off to the lighting circuit, and a mounting substrate that mounts the semiconductor light-emitting element and the lighting circuit. One of the light source modules is connected to the power source by means of said power cable. The light source modules other than the one light source module are connected to the one light source module in parallel via the power cable.

Abstract: A lighting assembly (10) is adjustable between flood and spot lighting conditions for selectively illuminating an interior passenger compartment in a motor vehicle. The assembly (10) includes a housing (16) which clamps to a supporting member, such as a headliner (12), via a sleeve (18) interacting with a rotary cam lock (22). An LED light source (26) is orbitally supported within the housing (16) for projecting light in a directionally adjustable manner. A lens (50) is disposed in the light path (28) and is moveable between an extended spot position for task lighting and a retracted flood position for general illumination within the interior compartment. A switch (74) is responsive to movement of the lens (50) into its spot position for automatically energizing the LED (30). The switch (74) opens, thus de-energizing the LED (30) when the lens (50) is returned to its flood condition.

Abstract: An illumination apparatus is provided that has sufficiently high efficiency irrespective of a size of a light source. The illumination apparatus projecting light forward includes an LED chip, a small-diameter reflecting mirror positioned in front of the LED chip for receiving light from the LED chip to project the light forward, and a reflecting mirror enclosing the LED chip and the small-diameter reflecting mirror for directing and reflecting forward the light from the LED chip.

Abstract: A lamp body for a vehicle lighting unit includes a PC/PTT alloy material in which 80 to 50% by weight of a polycarbonate resin (hereinafter referred to as a PC) and 20 to 50% by weight of a polytrimethylene terephthalate resin (hereinafter referred to as a PTT) are contained as principal components and 5 to 10% by weight of a filler is added with respect to the total weight of the PC and the PTT. The lamp body constituted by the PC/PTT alloy material can be thermally welded to a lens formed of the PC, and has a heat resistance, a chemical resistance and a bending rigidity which are almost identical to those of a lamp body formed of a polypropylene. Therefore, the lens and the lamp body can be bonded and integrated by a thermal welding method.

Abstract: Automotive lamps are configured having at least one array of light emitting diodes (LEDs) supported within the lamps. A bezel is positioned in each lamp adjacent to the LEDs, the bezel having a dark surface, the dark surface having a high gloss finish with reflector shaped surfaces to reflect light from the LEDs while absorbing visible light from external sources. A lens of light transmitting material covers the array of LEDs. The automotive lamp is especially useful as a rear combination lamp having red LEDs serving both tail light and stop light functions, as well as amber or red LEDs providing turn and hazard signals. A center, high-mounted stop lamp (CHMSL), also using an array of LEDs surrounded by a dark bezel with high gloss reflector shaped surfaces, is used in combination with a pair of the rear combination lamps. In one embodiment the rear combination lamps include side marker LEDs.

Abstract: A vehicle light includes a reflector with a concave reflection surface and a main lamp is connected to a center of the concave reflection surface. A reflection member is connected to the reflector and includes an annular groove with which a light release ring is engaged. A plurality of sub-lamps are connected to the reflection member and light beams emitted by the sub-lamps are toward directly to a reflection inner surface of the light release ring. A cover plate is engaged with the reflection member and encloses the light release ring.

Abstract: Light emitted from a plurality of LED light sources can be introduced into a light guide and inwardly reflected (totally reflected) at a first reflective surface formed on the light guide to form a substantially collimated light. The substantially collimated light can then be inwardly reflected (totally reflected) at a second reflective surface and a third reflective surface. The light can then be led out of the light guide and emitted in a direction of illumination of the lamp. An increased amount of light provides a bright lamp. An arrangement of LEDs emitting different colored lights enables the different colored lights to be emitted at the same time or with time delays.

Abstract: There are provided a method of evaluating the reflection performance of a reflecting mirror designed for a vehicle lamp, an evaluation system, and a computer-readable storage medium. There are provided steps (108a) and (108b) in the method. The step (108a) is provided so as to enter design information representative of a plurality of reflecting basic surfaces as well as position information of a light source in a vehicle lamp. The step (108b) is provided so as to display attribute information with respect to each of a plurality of areas into which one reflecting basic surface selected from among the reflecting basic surfaces is divided on the basis of design information. The attribute information indicates whether imaginary light from the light source position can effectively reach each area, and is applied to a reflecting mirror composed of the plurality of reflecting basic surfaces.

Abstract: A vehicular lamp includes a lamp source, a lamp body accommodating the lamp source, and a lens attached to the lamp body. The lamp body has an abutment surface on the top portion of a peripheral wall, which is configured to rise in a direction of an optical axis of the light source along a peripheral edge of the lamp body. The abutment surface of the lamp body is configured to incline to the optical axis. Similary, the lens has an abutment surface corresponding to the abutment surface of the lamp body along a peripheral portion of the lens. In this case, the abutment surface of the lens is configured within the dimention of an outer surface of the lens so as not to protrude over the outer surface. The abutment surfaces of the lamp body and the lens are integrally jointed together by laser walding.

Abstract: An automotive tail light. An LED emits its light laterally. A reflection part surrounding the LED picks up the light and reflects it towards the light dish. A low height light is thus provided.

Abstract: A light emitting diode headlamp capable of low beam and high beam functions. The light emitting diode headlamp assembly comprises high-flux light emitting diodes, a reflector subassembly, a first and second light transmissive member, and a heat sink.

Abstract: A vehicle lamp assembly (10) comprises includes a mounting bracket (12) having a first end (14) formed for affixation to a vehicle and a second end (16) formed for affixation to the lamp assembly (10). A housing (18) for the lamp assembly (10) includes a central axis (20) and a light source (22) mounted with respect to the central axis (20), the housing (18) having a forward portion (24). A lens cover (26) is provided for the lamp assembly (10), and the lens cover (26) has an external, circumferential rim (28) formed to engage the forward portion (24) of the housing (18) and an adjusting tab (30) extending from the rim (28) formed to cooperate with the second end (16) of said mounting bracket (12). The lens cover (26) is freely rotatable about the central axis (20) to allow for variable positioning.

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. According to the invention, the output lens comprises a set of arrangements implemented in at least one circumferential part of the output surface of the lens, this set being capable of deviating in a given direction some of the light signals encountering this arrangement.

Abstract: A vehicular lamp including a resin-made plain outer cover that covers the lamp body. The plain outer cover has an interior lens step (cylindrical step) formed in a region that faces a gap between an extension element (or a reflector) installed in the lamp body and the inner surface of a leg portion of the outer cover. The lens step optically reduces the gap between the leg portion and the extension element (or a reflector) and thus optically magnifies the leg portion of the outer cover, allowing the lamp to have a sense of stateliness and a sense of luxury seen in the lamp that uses a glass-made outer cover.

Abstract: A light assembly for a vehicle mirror is provided. The light assembly in one aspect has a light directing arrangement attached to a transparent pane, which directs a light beam into a specified zone, controls a color of the light beam and controls an intensity of the light. In another aspect, a pane is provided having similar attributes and a water drain and drip edge.

Abstract: A device for masking automobile vehicle headlights comprises at least one transparent optical element (B) inserted on the path of light rays between lighting sources and the headlight glass, the optical element (B) comprising a cylindrical entry face (E3) with radius R and a cylindrical exit face (E4) with radius R symmetrical to the entry face (E3) about a vertical median plane located at a distance 2R from the entry face (E3) and the exit face (E4), a mask (C) being placed in the vertical median plane and offset from the horizontal plane of symmetry.

Abstract: An optical unit for an aircraft warning light comprising an array of LEDs, the unit comprising a transparent plastics molded body having first and second opposing faces and being provided with optical means on its first and optionally also its second face to propagate fractions of light emitted from the LEDs in selected directions in accordance with a predetermined angular distribution. The optical means may, for example, take the form of discrete convex lenses, cylindrical aspherical lenses, prisms or total internal reflection structures and combinations thereof selected according to the emission requirements for the warning light. The optical unit will therefore differ depending on whether it is for use on a navigation light or an anti-collision light and will generally be spaced at a predetermined, fixed distance from the LED array.

Abstract: A part (1) made of transparent material that allows visible light waves to pass therethrough, said part comprising outer faces (11, 12) defining a solid body (10) made of transparent material, the part being characterized in that it further comprises light diffracting means (14) situated inside the solid body (10) at a distance from the outer faces (11, 12).

Abstract: In an automotive headlamp 10, a lens flange portion 24 is caused to extend from a circumferential edge 23 of a lens surface 18 formed into a configuration which follows the outline of an external surface 19 of a vehicle body toward a lamp housing 11, a surface-roughening process is applied to a surface 25 of an end portion of the lens flange portion 24 to make irregular the surface 25 of the end portion, and a leg portion 28 is caused to extend from a location 27 which deviates from the surface 25 of the end portion in such a manner as to bypass the surface 25 of the end portion, so that the leg portion 28 fits in the lamp housing 11.

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 lamp with an LED light source in which light from the LED light source is formed into parallel light fluxes by an optical member, and the parallel light fluxes are reflected by a reflector in the forward direction of the lamp. The bottom-face wall of the lamp body that houses the reflector has a translucent portion, and the LED light source and the optical member are disposed outside the translucent portion so that they are unrecognizable. The reflector is formed by a translucent member and is provided at a distance from the translucent portion of the lamp body and from the rear-face wall of the reflector, so that the parallel light fluxes from the optical member is subject to internal reflection.

Abstract: A vehicle side-flashing lamp includes: a cup-shaped housing; a light exit opening opposite the housing bottom; and a light exit cover which covers the light exit opening. At least one light-emitting diode emits light outwardly at least partially at an angle which is large with respect to the main axis of the housing. A prismatic element, defined by first, second and third boundary surfaces, is arranged in front of the light-emitting diode in such a way that an emitted light beam passes through the first boundary surface into the prismatic element and is at least partially reflected at the second boundary surface, which is inclined with respect to the central axis of the light beam, in such a way that the reflected part issues from the prismatic element through the third boundary surface.

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 lamp for a vehicle includes a light-conducting element. The light-conducting element has at least one in-coupling element arranged between two adjacent light out-coupling elements. A light source is associated with a light in-coupling surface of the light in-coupling element. At least two light-diverting surfaces of the light in-coupling element are associated with respective ones of the light out-coupling elements. The light-diverting surfaces serve to divert light beams radiated from the light source into the respective light out-coupling elements. The light-diverting surfaces of the light in-coupling elements are convexed, or curved, outwardly and have a common focus position for the light source.

Abstract: A device for vehicle lighting includes a deviating prism which deflects a light beam by approximately 180 degrees from a direction of incidence in which the light beam is emitted by a light source. A reflector is also provided which deflects the light beam so that the light beam is emitted substantially transversely to the direction of incidence.

Abstract: The invention is directed to provide a vehicle interior illumination device which has a high illuminating effect and which can be used for various kinds of illumination in a vehicle. The illumination device disposed in a roof portion of the interior of a vehicle, including: a first light-emitting section having a first light source constituted by a plurality of first LEDs disposed at substantially regular spaces; and a second light-emitting section having a second light source constituted by a second LED, and a second outer lens with which a light emission side of the second light source is covered and by which light emitted from said second light source is converged and radiated out.

Abstract: A vehicular lamp including a lamp chamber formed by a lamp body and a transparent outer lens covering the front opening of the lamp body, a light source installed in the lamp chamber, a reflecting surface formed in the lamp chamber and reflects light from the light source to radiate light in the forward direction of the lamp body, and an inner lens disposed between the light source and the outer lens, the inner having a refracting step, and the refracting step having a refracting surface that refracts light, which is from the front of the lamp body and is directly incident to the inner lens, in a direction away from the light source.

Abstract: A cover for a shell of a vehicle tail-light has a disk portion, and separating plates secured to an inward side of the disk portion; the disk portion is formed with such a surface as to be capable of focusing light; the cover is disposed over a rear opening of the tail-light shell with the separating plates being in close contact with the inner side of the shell such that the disk portion is divided into four sector shaped areas, an X shaped area, and a ringed area by the separating plates as well as the shell; the tail-light has light emitting element sets, which oppose respective ones of the above areas, and can be separately powered. Therefore, the tail-light can function with selected ones of the light emitting element sets being activated.

Abstract: A power adjustable headlight system and a related method is provided. The system comprises a lens for receiving a light intensity from a low-beam illumination area; a low-beam sensor for detecting a light intensity from the low-beam illumination area; and a power control unit for receiving a signal from the low-beam sensor and for applying a control signal to the low beam to adjust the light intensity. The system further comprises a high-beam sensor for detecting a light intensity from a high-beam illumination area, and also controlled by the power control unit. A battery for applying an external power to the headlight system is available. Therefore, the headlight system can adjust the light intensities of the low beam and the high beam according to the detection of the light intensities from the environment automatically.

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 vehicular lamp which radiates a light by indirect illumination using a plurality of LED light sources which has a thin structure while providing sufficient light output to the front of the lamp, even in the case where the lamp is mounted in a wrap-around portion of the vehicle body. Respective Fresnel lenses which form light from respective LED light sources into parallel light fluxes are arranged so as to align the directions of the parallel light fluxes upward, and the parallel light fluxes are then reflected toward the front of the lamp by a reflector. The reflector is separated into sub-reflectors for every area which the parallel light fluxes from the respective Fresnel lenses strike, and the sub-reflectors are arranged in a stepped configuration extending in a lateral direction of the reflector from the front of the lamp toward the rear of the lamp.

Abstract: An automotive lamp (20) which, under unlighting conditions, can achieve harmonized and uniform appearance with a color of body and others, windows, parts and others, in addition to satisfactory function as a lamp under lighting conditions. An automotive lamp provided with a lamp chamber (21) containing at least one light source (22) in an interior thereof and having a light-emitting opening (25), is constructed such that the light-emitting opening (25) of the lamp chamber (21) has attached thereto a lamp cover (10) which comprises a transparent cover body and a polarizing film (11) applied to an inner surface of the cover body, the polarizing film (11) having fine textured structures on a surface thereof. In addition, an automotive lamp which can achieve the highest ever appearance design quality and permits observation of a uniform surface appearance high in quality with the feeling of depth emphasized when the lamp is extinguished.

Abstract: A polarization sensitive optical substrate comprises a planar surface and a first thin film applied to the planar surface. The first film has a thickness of &lgr;/4/h, where &lgr; is the wavelength of light incident upon the first film and n is the refractive index of the first film. A prismatic surface is optionally also thin film coated, and is in opposition to the planar surface.

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 lighting assembly for a vehicle headlight, said assembly comprising:

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 licence plate adapted for illumination, which has an opaque face plate having outward-facing and inward-facing faces, and cut-out areas corresponding to numerals, letter, symbols or designs; and a translucent, heat-deformable backing plate heat-pressed against the inward-facing face of the face plate to force portions of the backing plate into the cut-out areas, such that when the licence plate is illuminated from a point inward of the backing plate, the portions of the backing plate within the cut-out areas are illuminated for viewing from a point outward of the face plate.

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: The invention relates to a device for masking automobile vehicle headlights.

Abstract: The invention provides a signaling device for a motor vehicle, the signaling device being constituted by a skin of translucent material presenting an outside face to be seen from outside the vehicle when said device is mounted on the vehicle, and an inside face opposite the outside face. Projecting from its inside face, translucent skin has at least one rib made integrally with the skin and out of the same translucent material as the skin. The thickness of the rib is greater than the thickness of the translucent skin.

Abstract: The present invention relates to a component for a motor-vehicle lighting or indicator device. According to the invention, it consists of a transparent material within which light-diffusion foci consisting of local discontinuities are situated only at predetermined locations in order to diffuse the light emitted by a light source associated with the lighting or indicator device.

Abstract: A design structure is provided in the effective luminous region of a lamp device. Moreover, there is provided a unit which allows the optical path of a reflected light from a reflector to avoid the design structure is provided on the reflector. Therefore, the design structure can be positively provided in the effective luminous region of the lamp device, without affecting the light distribution, thereby increasing the degree of freedom in designing of the lamp device.

Abstract: Lenses for lamps can improve the quality of the light emitted through lens by interacting with the light bulb. Photoluminescent dyes as well as non-photoluminescent dyes may be incorporated into a polycarbonate lens in order to shift the chromaticity of the light source. Further, design features such as grooves or protrusions may be incorporated into the lens to allow light produced by the photoluminescent material to escape the lens and be added to the emitted beam to further shift the chromaticity. The emitted beam is of a legal color and intensity as defined per the SAE J578 and SAE J1383 standards. The lighting performance may also be improved in such manner as reducing discomfort glare, increasing brightness or producing a beam that enhances road visibility at night to the human eye.

Abstract: A translucent member is arranged so as to cause light originating from an LED light source oriented toward the front of a lamp to enter the translucent member. Outgoing LED light that has entered the translucent member is reflected rearward by a front surface, and then the light is reflected forward by a rear surface, to thereby exit forward of the lamp from the translucent member. At that time, an area on the front surface located in the vicinity of an optical axis Ax is formed as a normal reflection section subjected to reflection surface treatment. The other area of the front surface is formed as an internal reflection section which causes the outgoing LED light to undergo internal reflection. A plurality of reflection elements are formed on the rear surface of the translucent member so as to cause the outgoing LED light reflected from the front surface to enter the internal reflection section at an incidence angle which is smaller than or equal to a critical angle.

Abstract: A push lens is integrated with a bezel and connected to the bezel by an integrally formed hinge to allow the lens to deflect for actuating a switch.

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 lens (2) disposed in front of a lamp housing (11) has a light transmitting portion (2a) thereof zoned at the rear side into a central section (X) and lateral sections (Y) at both sides thereof, the central and lateral sections (X, Y) being additionally divided into blocks (A, B, C, D, E, F, G), respectively, and prism elements (p) in the blocks are configured so that those (p) in the central section (X) control reflected light from a reflector (12) as reference light, and those (p) in the lateral sections (Y) control direct light from a light source bulb (10) as reference light, thereby providing illumination ranges (J, K) within a light distribution range (LDR) conforming to a light distribution specification (S).

Abstract: The present invention is a vehicular combination marker/clearance lamp for trucks and trailers using a reduced number of light-emitting diodes and an optics design using total internal reflection to produce the light intensity and angular distribution required by the Department of Transportation. The present invention accomplishes this goal by utilizing a one-piece optical system. The system possesses a collimating lens, ribbed structures, and a modified conical shape, which will concentrate and distribute the light produced by the light-emitting diodes.