Abstract: An illumination device (1) having comprising at least one support element (4) and at least one light-emitting diode (5) arranged on the support element (4), characterized in that wherein at least one of the plurality of components (2, 3, 4, 7, 10) of the illumination device (1) intended for heat dissipation from the light-emitting diode (5), in particular the support element (4), is provided at least in part with an electrically insulating layer (6, 11) having a high thermal conductivity, formed at least in part from a carbon compound, in particular from amorphous carbon, in particular tetrahedral amorphous carbon.

Abstract: A mounting arrangement for a light source (L) having associated a Printed Circuit Board, wherein said mounting arrangement includes: a housing (H) with an exit opening for light from the source (L), a reflector (R) to reflect light from the source (L) towards the opening, an at least partly transparent cover (1) to close the opening of the housing (H). The cover (1) includes a set of retaining elements (12A) for retaining the cover (1) to the housing (H), and a set of holding elements (12B) for holding the associated Printed Circuit Board (D) within the housing (H). Such configuration is capable of exerting a pressure on the reflector (R) when the cover (1) is coupled to the housing (H), and wherein the reflector (R) in turn urges the light source (L) against the housing (H), providing thus thermal coupling between the light source (L) and the housing (H).

Abstract: A lamp with an AC lamp burner may include two electrodes spaced apart from one another, a device configured to apply a voltage with alternating polarity to the electrodes; and a reflector, which has a first partial section, which is in the form of a partial body of a first ellipsoid, which has a first and a second focus, or is in the form of a partial body of a first paraboloid, which has a first focus, the reflector having a second partial section, which is in the form of a partial body of a second ellipsoid, which likewise has a first and a second focus or is in the form of a partial body of a second paraboloid, which has a first focus, the first foci of the two ellipsoids or paraboloids being located at different points.

Abstract: The LED system has a set consisting of multiple LED lamps and an integrally formed electrical connecting member common to the LED lamps, wherein the electrical connecting member has multiple connection points for contacting a respective LED lamp.

Abstract: In various embodiments, an electrode for a discharge lamp is provided. The electrode may include a metal pin that has a section around which a coil made of metal wire is wound, wherein the metal wire is flattened.

Abstract: A housing for electrical components is provided. The housing may include a mouth portion to cooperate with a circuit board in an assembled condition wherein said circuit board is applied against said mouth portion of the housing. The housing may include at least one spring formation located at said mouth portion to cooperate with said circuit board to elastically urge said circuit board away from said mouth portion, and at least one hook-like formation extending from said mouth portion distally of said housing, said hook-like formation adapted to cooperate with said circuit board to retain said circuit board assembled to said housing against the force exerted by said spring formation.

Abstract: A luminous module for a luminous chain may include at least one light source; and at least one electrical connection configured to supply the at least one light source, wherein the luminous module includes a heat sink.

Abstract: A vehicle lighting device having at least two semiconductor light-emitting elements may include at least a first light-emitting element group and a second light-emitting element group, each having at least one semiconductor light-emitting element, the light-emitting element groups being selectively drivable and the first light-emitting element group having at least a foglight function, the first light-emitting element group and the second light-emitting element group having a daytime running light function.

Abstract: A method for producing a light emitting diode arrangement. A plurality of LED modules (110, 120, 130) are provided, which in each case comprise at least one radiation emitting semiconductor component (1000) on a carrier body (1300). At least one separately fabricated connection carrier (200) is provided. The LED modules are arranged in such a way that they are adjacent to one another in pairs. A mechanically stable and electrically conductive connection between the carrier bodies of two LED modules is produced by means of the connection carrier. Furthermore, a light emitting diode arrangement is disclosed.

Abstract: Method of recovery of rare earths from fluorescent lamps. The method comprises six steps. The individual process steps are: Mechanical separation of coarse components. Separation of the halophosphate. Extraction in acids of easily soluble rare-earth fluorescent substances (mainly Y, Eu-oxide) Extraction in acids of rare earth fluorescent substances which dissolve with difficulty (for example rare-earth phosphates) Breakdown of the remaining components which contain rare earths (for example rare-earth-aluminates) Final treatment.

Abstract: An integrated gas discharge lamp (5) with ignition electronics integrated into the base, comprising an ignition transformer (TIP), an ignition capacitor (CIP), and a controlled switching element (SIP), wherein the integrated ignition electronics are configured to generate an asymmetrical ignition pulse, and wherein the voltage ratio between the first lamp electrode near the base and the second lamp electrode distant from the base ranges from 22:1 to 5:4.

Abstract: A lighting device has multiple light sources each having a primary optics; and a secondary optics for the multiple light sources; such that at the secondary optics the radiation patterns emitted from the multiple light sources have a substantially uniform luminance; and such that the secondary optics transforms the radiation pattern from the multiple light sources into an elliptical spot of light of substantially uniform luminance.

Abstract: A circuit arrangement for operating discharge lamps is provided with an input, to which an AC system voltage from a power supply system can be connected, an output, to which at least one discharge lamp can be connected, a backup capacitance, which is arranged between the input and the output, and a switch, which is in a charging current path of the backup capacitance. The circuit arrangement may include a driver configured to clock the switch for a predetermined period of time when the circuit arrangement is switched on for periodically interrupting the charging current path of the backup capacitance.

Abstract: A lighting arrangement is disclosed with a light module (2) that has at least one first group (22, 22?) of light sources (221, 222, 223) and one second group (22, 22?) of light sources that are arranged spaced apart from each other on a flexible circuit board (21), and with a carrier (1) on which the light module is mounted, and a buffer zone (12) that laterally overlaps with the light module between the first and the second group of light sources. Furthermore, a backlighting device and a display device are disclosed.

Abstract: An electrode structure configured to operate in a discharge lamp and a method to make such an electrode structure are described. The electrode structure includes an electrode head portion comprising a plurality of raised features arranged in a configuration such that an average pitch of the plurality of raised features is at least 105%. The method includes providing an electrode configured to operate in the discharge lamp and forming raised features on an electrode head portion of the electrode at an average pitch of at least 105%.

Abstract: A lighting apparatus may include an electrically conductive housing, in whose interior at least one light source and at least one electromagnetic radiation-emitting circuit component configured to operate the at least one light source are arranged; and an electrically conductive cover configured to cover the at least one circuit component; wherein the cover and the housing are electrically connected to one another.