Abstract: A headlight module comprising at least one phosphor which can be excited to emit light by means of electromagnetic radiation; at least one radiation source for exciting the at least one phosphor; at least one carrier device for the at least one phosphor; and at least one beam directing device which is disposed such that it directs electromagnetic radiation emitted by the at least one radiation source onto the at least one phosphor.

Abstract: A switching actuator for controlling the energy supply to at least one electrical consumer (102) with an energy supply input (142), an energy supply output (144), a signal line input (146), a signal line output (148) and an evaluation unit (154), the evaluation unit (154) being adapted to activate or deactivate the energy supply output (144) on the basis of signals input via the signal line input (146).

Abstract: A self-oscillating DC/DC converter comprising: a first and a second input connection for application of an input DC voltage; a first and a second bipolar transistor, wherein each bipolar transistor has a control electrode, a reference electrode and a working electrode; at least one first coupling capacitor; wherein a first switching junction is formed by the junction of the working electrode and the reference electrode of the first bipolar transistor, and a second switching junction is formed by the junction of the working electrode and the reference electrode of the second bipolar transistor, wherein the first and the second switching junctions are connected in series with respect to the input DC voltage; a rectifier, with an output that is coupled to a first and a second output connection in order to provide an output DC voltage; a transformer, which has a primary winding, a secondary winding and at least one control winding; wherein the primary winding is coupled between a galvanic connection of the first

Abstract: A circuit arrangement for increasing the safety of an electronic operating device comprising: mains input terminals (3), a mains input filter (1) with X capacitors (XC1, XC2), which are connected in parallel with the mains input terminals, a rectifier part (2) with a full-wave rectifier (D1-D4) and a smoothing capacitor (C1), which is connected between the output terminals of the full-wave rectifier (D1-D4), and a DC-DC voltage converter (4), which is connected to the output terminals of the rectifier part. When the mains voltage is disconnected from the terminals, a load is switched on for a defined time span, the load and the time span being matched in such a way that the load consumes the residual energy which is stored in the capacitors (XC1, XC2, C1), and thus lowers the voltage across the mains input terminals (3) to a value which is unhazardous for humans within a very short period of time.

Abstract: An illumination unit having at least one light emitting diode chip and a housing (100) that at least partially surrounds the at least one light emitting diode chip (3), the housing (100) having fastening means for mounting the illumination unit in a luminaire, wherein the fastening means comprise at least one projection or one depression (122; 102) that is arranged on the housing (100) and, in order to mount the illumination unit in the luminaire, cooperates with a counterpart (210; 203?), coordinated in an accurately fitting fashion therewith, on a luminaire part (200; 200?, 200?) of the luminaire in such a way that the at least one projection or the at least one depression (122; 102) and the counterpart (210; 203?) interlock in an accurately fitting fashion.

Abstract: Disclosed is an illuminating system of flexible shape and comprising at least one LED disposed on a flexible carrier material, an optic being provided that permits uniform, directed and/or glare-free light emission.

Abstract: A method is provided for driving at least one lamp unit, which is connected to an AC voltage power supply system. The method comprises modulating a control information item for the operation of the lamp unit onto the supplied AC voltage, decoding of the modulation received on the lamp unit side for reading the control information item and driving the light-emitting device in accordance with the control information item. Provision is made for a shunt to be produced in the line used for transmitting the control information item prior to or at the beginning of the modulation of the control information item. The disclosure also provides a lamp unit and a control device for implementing the method. The disclosure also provides a lighting system.

Abstract: A lamp includes a bulb comprising at least a partially light-transmissive material, a lamp base for fitting the lamp in a socket and feeding electrical energy, an illuminant arranged in the bulb and designed at least for a directed emission of light, and a means operable by a user for aligning the illuminant to vary an emission direction of the light.

Abstract: An electronic operating device for a gas discharge lamp having a voltage transformer which converts an input voltage into an intermediate circuit voltage, and an inverter with a lamp inductor and a bridge circuit with at least two switches which converts the intermediate circuit voltage into a lamp voltage, the operating device being designed to adjust the intermediate circuit voltage present between the DC voltage transformer and the inverter to a predetermined value which is dependent on the lamp state. Also disclosed is a method for operating an operating device.

Abstract: An illumination arrangement comprising a plurality of light-emitting semiconductor components (1), arranged in a row, a diffuser (2), which is illuminated by the light-emitting semiconductor components during operation of the illumination arrangement, intermixes light emitted by the semiconductor components during operation and has a light coupling-out area (200) remote from the semiconductor components, and two mutually opposite, reflective longitudinal side faces (3), between which the row of light-emitting semiconductor components is arranged, which run perpendicular or obliquely with respect to the light coupling-out area, and which reflect at least part of the light emitted by the light-emitting semiconductor components during operation in the direction toward the light coupling-out area.

Abstract: A method for producing a plurality of LED illumination devices which each emit light having an average value of a first photometric parameter including producing a plurality of LED chips which emit light of the same color; measuring values of the first photometric parameter of the LED chips; combining the LED chips to form groups of at least two LED chips which have different values of the first photometric parameter such that differences in the average values of all the LED illumination devices are imperceptible to the human eye; and equipping a respective LED illumination device with a group of LED chips.

Abstract: A lamp with a base at one end, in particular a high-pressure lamp, with a light bulb sealed in a vacuum-tight fashion, with the latter being surrounded by an outer bulb and an enveloping part, with a base supporting firstly the outer bulb and secondly the enveloping part, having the following features: a) the base has a base insulator which is produced from an insulating material and has a central opening which holds the outer bulb; b) the base insulator has a circular segment with a plateau; c) the enveloping part has a circular opening with a radially projecting edge which has a lower and upper contact face relative to the base on the base side, the lower contact face of the edge fitting together with the upper plateau of the circular, radially projecting segment on the base insulator; d) the enveloping part is attached to the base insulator by a cement-free mechanical holding mechanism, with an annular damping element being inserted between enveloping bulb and base insulator.

Abstract: The invention relates to a halogen incandescent lamp for motor vehicle headlamps with two incandescent filaments (21, 22), which are arranged within a lamp vessel (10), wherein a first incandescent filament (21) is designed for operation with a higher electrical power than the second incandescent filament (22), wherein the incandescent filaments (21, 22) are constructed in such a way that their dimensions and/or their geometry are in each case matched to an operating voltage of at least 20 volts, and at least the second incandescent filament (22) is an incandescent filament in the form of a single coil. Preferably, both incandescent filaments (21, 22) are in the form of incandescent filaments with a single coil, wherein the first incandescent filament (21) is used, for example, for producing the upper beam or lower beam and the second incandescent filament (22) is used for producing the daytime driving light or foglight.

Abstract: A lighting device comprising: (1;18;22;24;27) at least one lighting means; (2), a power-supply unit (10) for the at least one lighting means; (2), and a cooling body (6) for cooling the at least one lighting means; (2), wherein the at least one lighting means (2) is secured to the cooling body (6) and separated from the power-supply unit (10) by the cooling body (6), and wherein the power-supply unit (10) has an electrically insulating cap (17;19;23;25;29) separating the power-supply unit (10) from the cooling body (6).

Abstract: The lamp uses a sealing system with a ceramic supporting element (17) having a short length LA together with a W—Nb leadthrough part (18, 19, 20) and a specially adapted glass solder (21), which is based on an Al2O3 rare earth oxide system. In this case, the W part is accommodated in the supporting part over a length LW of 1 mm, and the aspect ratio LW/DUW, formed from the length LW and the diameter DUW of the W part, is at least 10.

Abstract: The present invention discloses an LED module comprising: a waterproof enclosure; an LED accommodated in the waterproof enclosure; a wire for coupling the LED module with other LED modules and a driver; and a radiating unit set in the bottom of the waterproof enclosure and exposed to the external environment. The invention further provides an LED chain comprising the above said LED module and a driver coupled with the LED module. The LED chain according to the invention may have a high waterproof level, for example, IP65. The heat generated during the operation of the high power LED module may be transmitted to the external environment in time via a heat sink set on the LED module, thereby effective thermal management for the LED module and a long service life of the LED module may be obtained. Moreover, the finish surface of the driver may be made handsome by encapsulating the driver through the low pressure molding.

Abstract: A circuit arrangement for operating a discharge lamp, wherein the circuit arrangement comprises a commutation device, which has an input which is coupled to a DC source, and has an output which can be coupled to a discharge lamp. The commutation device is designed in such a way that it couples the DC source to the output, and the polarity at which the DC source is coupled to the output can be commutated by a control device. The control device has a sync input, and the polarity of the DC source is commutated in synchronism with sync pulses of a sync signal which can be applied at the sync input. The control device has a measuring input, which is coupled to a measuring device which is designed to provide a measured value which is a measure of the size of electrode peaks. The control device suppresses at least one commutation if the measured value overshoots or undershoots a predetermined threshold value.

Abstract: An illuminating module for a lighting device includes a first number n of light sources arranged in a first array and a second number m of light sources arranged in a second array, said numbers being defined by: m?1, n?m+1. A lighting device includes a plurality of similar illuminating modules.

Abstract: An optical component comprises a carrier plate (1) having a first main surface (2) and a second main surface (3) facing away from the first main surface (2), and a first lens structure (4) on the first main surface (2), wherein the first lens structure (4) has at least a first lens element (41) having a first polygonal form and a second lens element (42) having a second polygonal form, the first lens structure (4) completely covers the first main surface (2), and the first lens element (41) and the second lens element (42) are non-congruent with respect to one another and/or differ in terms of their orientation on the first main surface (2) of the carrier plate (1).

Abstract: A flat lamp comprising a flat discharge vessel, which encloses a discharge volume with two plates (1, 2) which are separated from one another by way of a frame (3), wherein the frame (3) includes a region which is elastically deformable in the direction of the spacing between the plates.