Abstract: A circuit assembly for operating a discharge lamp is disclosed having DC input terminals, a bridge circuit to implement a first bridge midpoint, an output coupling the discharge lamp thereto and a shunt resistor with a tapping point and a device for detecting overload operation. A device for ignition control of the discharge lamp, having an input for supplying a measurement signal and a switch control device is provided connected to the device for detecting overload operation and the ignition control device. The switch control device is designed to modify control signals for at least a first and second electronic switch as a function of the output signals of the device for detecting overload operation.

Abstract: The present invention relates to a lighting apparatus with at least one LED, in particular an LED retrofit, in which a surge arrester whose breakdown voltage is above the maximum system voltage and below the starting voltage of the fluorescent lamp which is intended to be replaced by a lighting apparatus according to an embodiment. In this way, a lighting apparatus according to an embodiment can be operated using the ballast originally designed for a fluorescent lamp, wherein, moreover, a risk to an operator when inserting a lighting apparatus according to an embodiment into a luminaire can reliably be ruled out.

Abstract: A light emitting diode lamp may include a socket; a first circuit board; and at least one plug connector electrically connected to the socket; wherein the connector is connected to the circuit board by means of a plug section.

Abstract: A mounting structure for solid-state light sources, for example of the LED type, comprises a support board; a submount mounted on said support board and having at least one solid-state light radiation source mounted thereon; a drive board carrying drive circuitry for the light radiation source, the aforementioned drive board being mounted on the support board and extending peripherally with respect to the aforementioned submount; electrical interface connections between the submount and the drive board for connecting the light radiation source to the drive circuitry; and mechanical and thermal interface connections between the submount and the support board.

Abstract: A lighting module may include a printed-circuit board which via its rear side is positioned on a cooling body and on its front side is fitted with at least one light source, and at least one electronic component; a cover for at least a partial region of the printed-circuit board, with the cover being seated upon the printed-circuit board; wherein the lighting module has at least one elastic fastening element which is secured to the cooling body and positioned against the cover.

Abstract: A lighting device may include a printed circuit board, wherein the printed circuit board has wiring on at least one of the front side and the back side thereof, the respective wiring is covered by at least one potting layer, the lighting device furthermore has at least one electrically conductive punched bushing and the punched bushing extends through a potting layer at least to the wiring and contacts the wiring.

Abstract: An electronic control gear for operating at least one of at least one LED and at least one discharge lamp is provided. It may include a first terminal for coupling to a phase of an AC voltage supply; a second terminal for coupling to the neutral conductor of the AC voltage supply; a control input for coupling in a control signal of a control apparatus; a first output for coupling to the LED; a second output for coupling to the discharge lamp; a first driver circuit for the LED; a second driver circuit for the discharge lamp; an evaluation apparatus for evaluating the control signal at the control input, the evaluation apparatus comprising a microcontroller, which activates said driver circuits depending on the control signal, wherein a first capacitance is coupled between the second terminal and the control input.

Abstract: A circuit arrangement for operating a discharge lamp having a dielectric layer between at least one electrode and one discharge medium, comprising a primary circuit, which comprises a flux converter with at least one electronic switch, the flux converter having a first input terminal and a second input terminal for connecting an input voltage; a secondary circuit, which has a first output terminal and a second output terminal for connecting the discharge lamp; a transformer coupling the primary circuit to the secondary circuit, the transformer having at least a primary winding, a secondary winding and a transformer core, on which the primary winding and the secondary winding are wound; and a discrete inductance with a core, the discrete inductance being coupled electrically in parallel with the secondary winding.

Abstract: A lighting apparatus for a beacon system may include a first light source having at least one visible light emitting diode; and a second light source configured to essentially emit infrared radiation.

Abstract: High pressure discharge lamp (20) with improved ignitability. A spiral pulse generator (1) that is directly mounted inside the outer piston (12) of the lamp is used for igniting the high pressure discharge lamp.

Abstract: A discharge lamp may include a substantially ellipsoidal discharge vessel that surrounds an anode and a cathode that are respectively fixed by current-carrying electrode holders, the latter being guided through bulb shafts arranged diametrically on the discharge vessel, there being provided around the electrode holders at the transition from the discharge vessel to the bulb shafts constrictions that form a connecting channel between the discharge space, surrounded by the discharge vessel, and in each case the bulb shaft spaces surrounded by the bulb shafts, wherein at least one of the discharge vessel, the constrictions and the anode coating is designed in such a way as to reduce or avoid blackening of the discharge vessel in the light-emitting region.

Abstract: A semiconductor light module comprising: integrated drive electronics, a semiconductor light source applied to a disk-shaped module, the surface of which is electrically conductive, and wherein the module has good thermal conductivity. The drive electronics are positioned around the semiconductor light source, and the drive electronics comprise a circuit board having at least first and second conductor track levels. The first track level is oriented outward in the light emission direction in the installed state, and the second track level is enclosed by a closed cavity incorporated into the module. Ground-carrying lines of the circuit board are electrically connected to the surface of the module.

Abstract: A circuit arrangement for operating an LED and an fluorescent lamp may include a main rectifier; an auxiliary rectifier; an inverter, the output of said inverter having a terminal for connecting the fluorescent lamp; a starting device, wherein its first terminal is coupled to a control electrode of one of the switches of the inverter; a pull-down circuit; and a starting capacitor; wherein the second terminal of the starting device and the second terminal of the pull-down circuit are coupled to the first output terminal of the auxiliary rectifier; wherein the starting capacitor is coupled between the first and the second output terminal of the auxiliary rectifier; and wherein there is arranged in parallel with the starting capacitor a series circuit including a first and a second terminal for the LED and an LED switch, wherein the LED switch has a control electrode, an operating electrode and a reference electrode.

Abstract: In various embodiments, a high-pressure discharge lamp including a starting aid and a longitudinal axis having a ceramic discharge vessel that is housed in an outer bulb, the discharge vessel having two ends having including capillaries with electrodes fastened therein, wherein a frame having a hanger wire holds the discharge vessel in the outer bulb and the hanger wire is configured so that it includes a plate-like starting aid toward the capillary of the opposite-pole electrode, with the plate-like starting aid being configured as a foil or metal sheet and the plate-like starting aid further including a means for purely mechanical fastening to at least the capillary.

Abstract: In various embodiments, a lamp is provided. The lamp may include at least one light emitting diode; a housing, which comprises at least a first housing part and a second housing part, wherein the first housing part is arranged movably relative to the second housing part; a motion detection sensor for detecting a magnitude of a movement of the first housing part relative to the second housing part; and a radiation modification apparatus for modifying at least one parameter of the radiation emitted by the at least one light emitting diode, the radiation modification apparatus being coupled to the motion detection sensor, the radiation modification apparatus being designed to modify the radiation to be emitted by the at least one light emitting diode depending on the detected magnitude of the movement.

Abstract: In various embodiments, a luminophore composition for low pressure discharge lamps for generating radiation with a color temperature of greater than 4800 K having a very good general color rendering index of greater than 90, the luminophore composition including at least one halophosphate luminophore, a luminophore emitting in the red wavelength region, a luminophore emitting in the blue-green wavelength region, a europium-doped luminophore emitting in the blue wavelength region and a Tb-doped luminophore emitting in the green wavelength region, wherein the luminophore composition includes a luminophore emitting in an emission range in the visible region with wavelengths of greater than 380 nm and at least one emission band in the near ultraviolet and that the emitted intensity of the luminophore is smaller in the visible region than in the near ultraviolet region.

Abstract: A printed circuit board is provided with at least one via hole, in which a heat dissipating element is arranged, wherein at least one radiant source is arranged on the heat dissipating element. The lighting device is provided with at least one such printed circuit board.

Abstract: A lighting module (1; 7; 11; 31; 41; 61; 71; 81; 91; 97; 109; 115), comprising: a circuit board (2), on which are mounted at least one component (3; 12; 22; 32; 42; L; 92; 99; 108; 116; 119) and at least one attachment element; (5; 98), wherein the at least one attachment element (5; 98) is fastened on the at least one component (3; 12; 22; 32; 42; L; 92; 99; 108; 116; 119) mounted on the circuit board (2) in a locking manner.

Abstract: A conversion LED is provided. The conversion LED may include a primary light source which emits in the short-wave radiation range below 420 nm, and a luminophore placed in front of it consisting of the BAM system as a host lattice for at least partial conversion of the light source's radiation into longer-wave radiation, wherein the BAM luminophore is applied as a thin layer having a thickness of at most 50 ?m directly on the surface of the light source, the BAM luminophore having the general stoichiometry (M1?r Mgr)O*k(Al2O3), where r=0.4 to 0.6 and M=EAeEu1?e, with EA=Ba, Sr, Ca, and e=0.52 to 0.8, and k=1.5 to 4.5.