Abstract: The invention relates to a dipping cap comprising a filament for a dual-filament lamp. The dimension between an outlet of an outgoing section of the filament, on the side of the base, and the point on the outgoing section of the filament, arranged opposite the outgoing section of the filament on the side of the base and welded to the dipping cap, measures more than approximately 5.2 mm and less than 9.7 mm, and the dimension between the outlet of the outgoing section of the filament, on the side of the base, and the front surface of the dipping cap, which is adjacent to the outgoing section of the filament, welded to the dipping cap, measures more than approximately 5.9 mm and less than 11.9 mm.

Abstract: The invention relates to a shield device for a headlamp, said device having a reflector with an opening that has a diameter of less than 38.2 mm and two luminous bodies. The shield device is designed in such a way that at least one boundary of the sector shielded by the shield device on the reflector in the vicinity of the opening, said sector lying on a straight line between the reflector opening and a circle around the reflector opening with a diameter of 38.2 mm, when viewed on a plane running parallel to the reflector opening.

Abstract: The invention relates to a halogen bulb comprising two filaments that are located (21, 22) in a lamp body (10), a first filament (21) being designed for operation at a higher electrical output than the second filament (22). To fulfil a daylight driving function, the second filament (22) is designed to produce an electrical output that is lower by a factor of 2.5 to 4 than the electrical output of the first filament (21) when operating with a standard operating voltage and is designed in such a way that it can be operated with an operating voltage that is lower than the standard operating voltage in order to produce a dimmed position light function.

Abstract: Disclosed is a lamp, particularly for a vehicle headlight, comprising two spiral-wound filaments which are retained by three feeders within a bulb that is inserted into a base. The feeders are arranged on top of one another when the lamp is adequately oriented. A tail of the first spiral-wound filament is connected to a dimming cap, said tail being located at a distance from the base, while a tail of the second spiral-wound filament is connected to the central feeder, said tail being close to the base. The second filament tail that faces away and is located at a distance from the base is connected to the upper feeder. According to the invention, the lower feeder is connected to the dimming cap by means of an end, some sections of which are angled away from a longitudinal axis of the lamp.

Abstract: A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current, corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.

Abstract: A lighting device includes at least one light-emitting diode (3) and a cooling aggregate (1) for cooling the at least one light-emitting diode (3), wherein the cooling aggregate (1) is provided with locking elements (17, 18, 19) adapted to form a bayonet catch with a fixing device (30) holding the lighting device. Preferably, at least one of the lighting devices is mounted as the light source in a vehicle headlight.

Abstract: The invention relates to a lamp base comprising a plastic base part (320) that is provided with electric connections (61, 62, 63) for supplying power to at least one luminous means (21, 22) of the lamp that is surrounded by the lamp vessel (10). The electric connections (61, 62, 63) comprise contact sections (610, 620, 630) for connecting to power supply lines (51, 52, 53) of the at least one luminous means (21, 22), that protrude from the lamp vessel (10), and the lamp base is equipped with a sealing element (330) for covering the contact sections (610, 620, 630), said sealing element being fixed to the plastic base part (320) by a detent connection (3213, 3223, 3311, 3312, 3321, 3322). Said detent connection is preferably concealed. Said lamp base can be used, for example, in a motor vehicle headlight.

Abstract: A socket for a lamp is disclosed, in particular for a vehicle lamp, comprising a socket housing and at least two contact elements fixed in the socket housing for housing and electrical contacting of the lamp. According to the invention, the contact elements of the socket housing are fixed by means of a positive or non-positive fit with a socket pin which may be fixed therein.

Abstract: The invention relates to a lamp base with a plastic base part which has electrical connections for the power supply of at least one lighting device of the lamp, the lighting device being enclosed by a lamp vessel and the electrical connections being configured by metal pins. The first ends of these pins project laterally, perpendicular to the longitudinal extension of the lamp base, from the plastic base part in order to establish electrical contact with the lamp socket, and the second ends are adapted to connect a power supply wire for the at least one lighting device which wire is to the outside of the lamp vessel. The invention is characterized in that the plastic base part has a recess on a lower face of the plastic base part facing away from the lamp vessel, the two ends of the metal pins being disposed in the recess.

Abstract: A lamp base comprising at least one lead-in wire (16). The lamp base is sealed in the area of the at least one lead-in wire (16) with at least one of the following features A, B and C. Feature A comprises an elastomer (161) or rubber that positively and annularly surrounds a section of the at least one lead-in wire (16), said section of the at least one lead-in wire (16), which is surrounded by the elastomer (161) or rubber, being positively embedded in an injection-molded plastic part (15) of the lamp base. Feature B comprises a surface area of at least one lead-in wire, which has a profile or a rough surface and is positively embedded in an injection-molded plastic part of the lamp base. Feature C comprises a section of the at least one lead-in wire, which is fitted with slots and is positively embedded in an injection molded-plastic part of the lamp base.

Abstract: A lighting device includes at least one light-emitting diode and a cooling aggregate (400) for cooling the at least one light-emitting diode, wherein the at least one light-emitting diode is arranged on the cooling aggregate (400) and the cooling aggregate (400) is provided with at least one recess in which a mounting plate (408) equipped with electrical components is located. Also described is a vehicle headlight including at least one lighting device of the aforementioned kind.

Abstract: A lighting device includes at least one light-emitting diode (3) and a cooling aggregate (1) for cooling the at least one light-emitting diode (3), wherein the cooling aggregate (1) is provided with locking elements (17, 18, 19) adapted to form a bayonet catch with a fixing device (30) holding the lighting device. Preferably, at least one of the lighting devices is mounted as the light source in a vehicle headlight.

Abstract: A transformer for being fitted in a lamp base and to a lamp base having a transformer arranged in it, the transformer housing being provided with guide elements which serve the purpose of inserting the transformer in the correct position in the lamp base. The transformer is preferably in the form of a starting transformer of a pulse starting apparatus integrated in the lamp base of a high-pressure discharge lamp.

Abstract: The invention relates to a lamp base having fastening means for a lamp vessel, having a base part that consists of an electrically insulating material and that is equipped with at least two first electric contacts that serve the power supply of at least one luminous means, wherein said base part has at least two second electric contacts, in each case one of said second electric contacts being connected in an electrically conducting fashion to in each case one of said first electric contacts.

Abstract: The invention relates to a lamp base for a high-pressure discharge lamp and to a high-pressure discharge lamp having a mounting plate for electronic modules and having a plug socket for connecting a voltage source to the lamp base, the plug socket being in the form of a surface-mounted module on the mounting plate.

Abstract: A headlight lamp has at least one lamp vessel in which at least one luminous element is enclosed, and a lamp base, which is provided with the electric terminals of the headlight lamp. The base has an annular metallic holder in which the at least one lamp vessel is fixed, and at least three reference noses arranged in a common plane, and an annular base flange arranged parallel to the plane of the reference noses. The base flange has at least three lugs are arranged along its circumference, which are of resilient design and serve together with the reference noses for fastening the lamp in a headlight. The reference noses are integrally formed on a reference ring, which is connected to the annular metallic holder and to the base flange.

Abstract: The invention relates to a headlight lamp whose base (9) has a plastic ring (13) in which there are embedded at least two contact lugs (13a–13c) designed as electric terminals. The contact lugs (13a–13c) are arranged in a common plane perpendicular to the ring axis (13) and in each case project in the radial direction from the plastic ring (13).

Abstract: The invention relates to an incandescent lamp for motor vehicle headlights, having at least one incandescent filament (2) arranged inside the lamp vessel, and a shading device (4). A coil exit (2a) of the incandescent filament (2) is joined to an edge section (41) of the shading device (4) running substantially parallel to the coil axis, in order to ensure an improved suspension of the incandescent filament (2).

Abstract: The invention relates to a transformer for being fitted in a lamp base and to a lamp base having a transformer arranged in it, the transformer housing being provided with guide means which serve the purpose of inserting the transformer in the correct position in the lamp base. The transformer is preferably in the form of a starting transformer of a pulse starting apparatus integrated in the lamp base of a high-pressure discharge lamp.

Abstract: The invention relates to a lamp base for a high-pressure discharge lamp and to a high-pressure discharge lamp having a mounting plate for electronic modules and having a plug socket for connecting a voltage source to the lamp base, the plug socket being in the form of a surface-mounted module on the mounting plate.