Abstract: The process comprises the provision of a discharge vessel (2) which is closed off on one side, fitting a second tube over part of the discharge vessel and evacuating and filling the volume of the outer bulb via a pumping hole, which remains open in the second extension part within the second tube. This pumping hole is only closed at the end by means of an operation which closes it by rolling.

Abstract: An LED lamp and a method of making an LED lamp in which the lamp includes a heat conductive post with a base and a top, an insulative body within the post that includes plural wireways and plural electrical leads that each extend through a different one of the wireways and whose ends emerge from the top and the base of the post, a head with plural LED assemblies on the top of the post, and a circuit board for the LED assemblies at the base of the post, the leads being connected to respective LED assemblies and to the circuit board. During manufacture, the leads are mounted in the wireways of the insulative body and the assembled body is inserted into the post.

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: An LED light source has a housing having a base. A hollow core projects from the base and is arrayed about a longitudinal axis. A printed circuit board is positioned in the base at one end of the hollow core and has a plurality of LEDs operatively fixed thereto about the center thereof. In a preferred embodiment of the invention the hollow core is tubular and the printed circuit board is circular. A light guide with a body that, in a preferred embodiment, is cup-shaped as shown in FIGS. 2 and 4a, has a given wall thickness “T”. The light guide is positioned in the hollow core and has a first end in operative relation with the plurality of LEDs and a second end projecting beyond the hollow core. The thickness “T” is at least large enough to encompass the emitting area of the LEDs that are employed with it.

Abstract: A compact LED light source providing intensive LED positioning along with thermal dissipation can be made with a heat conductive plate supporting a plurality of LEDs mounted on the plate and in thermal contact with the plate. The plate further supports electrical circuitry providing electrical connection to the LEDs. A heat conductive stem mechanically supports the plate and may provide a thermal conduction path from the plate away from the LEDs. A high concentration of LED can then be conveniently mounted and held in close proximity for increased optical system intensity, while providing a thermal exit path for the associated increase in heat concentration.

Abstract: An LED light source has a housing with a hollow projecting core. The core is arrayed about a longitudinal axis. A printed circuit board closes an open end of the housing at a core end and has LEDs operatively fixed about the center thereof. A light guide with a wall thickness T is positioned in the core and has a first end in operative relationship with the plurality of LEDs and a second end projecting beyond the hollow core. A first reflector is attached to the second end of the light guide. The housing is thermally conductive to form an extended and integral heat sink and has an extended body-part that preferably is provided with heat-radiating fins. A preferred material for the housing is thermally conductive plastic. The printed circuit board has a thermally conducive base that is in direct contact with the housing via an upstanding V-shaped rim.

Abstract: A high-density LED array (10) capable of presenting a density of X LEDs/unit area has a first printed circuit board (12) having X/2 LEDs/area and X/2 apertures arrayed therewith. A second printed circuit board (22) is spaced from the first printed circuit board (12) and has X/2 LEDs 28/unit area. The LEDs (28) on the second printed circuit board are aligned with the apertures (20) in the first printed circuit board. Each of the LEDs (28) on the second printed circuit board (22) has an optical fiber (30) associated therewith and each of the light guides (30) extends through one of the apterures (20). Each of the mounted LEDs on the first printed circuit board can have an optical fiber associated therewith and the light guides can be bundled to direct light to a remote source.

Abstract: A solid-state light source 10 compatible with existing sockets normally reserved for filamented lamps may be formed with a hollow base 12 formed to mechanically and electrically adapt to a socket. A sub-assembly 14 adapted to cooperate with and fit into the hollow base 12 comprises a metal core 16 having a bulbous body 18 and a narrow, depending foot 20. A circuit board 22 substantially surrounds the metal core 16 on two sides. The board 22 is preferably formed from a flexible printed circuit board material capable of sustaining a bend radius of at least 0.25 inches (6 mm). Solid-state light sources 30, for example, light emitting diodes (LEDs) are mechanically and electrically connected to one side of the circuit board by suitable electrically conductive traces. A glass dome 34 covers the sub-assembly 14 after it is inserted into the hollow base 12 and is sealed thereto.

Abstract: A base for a headlight lamp, which has a plastic base part having at least two electrical connections, which have a first end with a contact face, the first ends protruding from the base part when mounted such that the contact faces are perpendicular to the longitudinal extent of the headlight lamp, and a second end to be connected to a power supply wire and extends parallel to the longitudinal extent of the headlight lamp. For each electrical connection, the first and second ends are connected to one another by a central section, and these central sections are embedded in the plastic of the base part and the second ends are bent back from the respective central section.

Abstract: An LED light source (10) comprises a housing (12) having a base (14) with a hollow core (16) projecting therefrom. The core (16) is substantially conical. A central heat conductor (17) is centrally located within the hollow core (16) and is formed from solid copper. A first printed circuit board (18) is connected to one end of the central heat conductor and a second printed circuit board (20) is fitted to a second, opposite end of the central heat conductor (17). The second printed circuit board (20) has at least one LED (24) operatively fixed thereto. A plurality of electrical conductors (26) has proximal ends (28) contacting electrical traces formed on the second printed circuit board (20) and distal ends (30) contacting electrical traces on the first printed circuit board (18). Each of the electrical conductors (26) has a tension reliever (27) formed therein which axially compresses during assembly.

Abstract: The invention relates to a lamp, in particular a motor-vehicle headlight lamp, with a plastic part of which the surface is provided with a coating which contains at least one compound of a metal with oxygen or nitrogen. The coating has the effect of preventing gas emission from the plastic.

Abstract: The invention relates to a reflector for an infrared radiator, having a blackened Eloxal layer, and to an infrared radiator having a halogen incandescent lamp as radiation source and such a reflector.

Abstract: An LED light source (10) has a housing (12) with a base (14). A central heat conductor (18) is centrally located within the hollow core (16) and is formed of a suitable heat-conducting material, such as copper. A cap (36) is fitted over a second printed circuit board (24), and a heat sink (38) is attached to the base (14) and in thermal contact with a first printed circuit board (20). The heat sink (38) has a bottom (40) with an upstanding side wall (42) terminating in a plurality of fingers (44), the fingers (44) being formed to overlie an upper surface (46) of the base (14). The heat sink (38) is preferably formed from black-anodized aluminum.

Abstract: A mount (10) for a metal halide arc discharge lamp has a flare (20) including a barrel portion and a frame (32) comprises a clip (40) attached to the barrel portion (30). First and second side rods (50, 60) spaced 180° apart have distal ends (70) and proximal ends (80), with the distal ends being attached to the clip. First and second spaced apart straps (90, 100) connect the side rods intermediate the proximal ends and distal ends. An arc tube (110) is fixed between the first and second straps. The proximal ends diverge outwardly and engage the inner surface of a dome (14) to position one end of the mount. The barrel portion includes two sealed lead-in wires (120, 130). The arc tube includes an electrode (140, 150) in each end (140a, 150a). No electrical connection is made to the frame whereby the frame is electrically isolated.

Abstract: A bulb (10) for an automotive taillight has a central stem (12) that includes a base (14), a summit (16), and an intermediate portion (18). A parabolic reflector (20) is positioned about the base (14) and has a first reflector surface (22) facing the summit (16). At least one light source (24) is positioned on the summit (16) for directing primary illumination toward the reflector surface (22) on the reflector (20). In a preferred embodiment of the invention a plurality of light sources (24) are employed to even the distribution of light and the light sources are red light emitting LEDs. An optic (26) is associated with at least a part of the intermediate portion (18), the optic (26) having a second reflector surface (28) for directing secondary illumination toward the first reflector surface (22).

Abstract: A high-pressure discharge lamp for motor vehicle headlamps having a mercury-free ionizable fill which consists of xenon with a cold filling pressure of at least 2000 hPa and metal halides. The discharge vessel has a tubular section (10) which consists of a transparent ceramic and has an internal diameter which is less than or equal to 2 mm and inside which there are arranged electrodes with a spacing less than or equal to 10 mm.

Abstract: The invention relates to a reflector lamp and to a method for producing such a reflector lamp, especially a simplified method for fixing the lamp (2) in the reflector (1). The gasket (22) of the lamp base (21) is disposed in the cavity (13) of the reflector neck (12) in such a manner that the at least one power lead (71, 72) projects from the reflector neck (12) through a passage and the lamp base (21) is supported on the inner wall (13) of the reflector (1) perpendicular to the longitudinal axis (A). A fastening element (81, 82) is fastened on the power lead (71, 72) at an angle to the longitudinal axis (A) and rests against the outer wall of the reflector neck (12). The lamp (2) is thus fixated in the reflector (1) in the longitudinal direction (A) without play and without any additional spring elements.

Abstract: The invention relates to a light-emitting diode module for a vehicle headlamp, the carrier of which module has cambered surfaces on which the light-emitting diodes are arranged, and to a vehicle headlamp which is fitted with one or more of these light emitting diode modules, in order to generate the dimmed headlight, high beam, fog lamp, parking light or daytime running light exclusively using light-emitting diodes as light sources.

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 coupling element (2) is proposed for the combining of at least two elongate lamps with in each case two ends. For this purpose, the coupling element (2) has a continuous receptacle area which is provided for receiving an end of each lamp. The receptacle area comprises a reflector (6) in order to reduce the luminance decrease in the region between the lamp ends. With one or a plurality of coupling elements according to the invention in conjunction with two or more elongate lamps, illumination systems having different luminous lengths can be realized in a modular manner.