Abstract: A method for producing a tube lamp uses at least one leadframe. A leadframe is a flat structure which has two opposing surfaces extending substantially parallel and spaced apart by the sheet thickness. One or more stabilizing sections are applied to the leadframe. The leadframe is fastened with the stabilizing sections in a tubular housing of the tube lamp.

Abstract: A lamp includes a base, a light-permeable bulb containing at least one light source, and a driver for powering the light source. The driver is located within the base. The bulb has outwardly leading supply lines on the base side, and the driver has at least one contact element which projects in the direction of the bulb into which a free-standing section of the respective supply line is inserted to make contact. The technology is particularly applicable to lamps with LEDs as light sources, in particular for replacement of conventional lamps such as incandescent lamps.

Abstract: A lighting device with changeable beam angle and fixed center beam candle power. The device may include a light source, an electronic driver for driving the light source to emit light, a beam shaping element for shaping a beam of light emitted by the light source, a beam angle adjustment mechanism configured to change a positional relationship between the light source and the beam shaping element, and a sensor configured to provide a signal indicative of a setting of the beam angle adjustment mechanism. The electronic driver is configured to adjust the luminous flux emitted by the light source depending on the signal provided by the sensor. Such a lighting device may keep the center beam candle power of the emitted light constant when the beam angle is changed.

Abstract: A method for managing network devices is provided. The method comprises collecting position data of at least one network device with a location device for determining the position of the at least one network device relative to at least one positioning base, collecting device information data from the at least one network device with the location device, the device information data representing individual properties of the at least one network device, determining the position of the at least one network device according to the position data, providing a model of the physical environment based on environment data, and mapping the at least one network device to the model of the physical environment such that the device information data of the at least one network device is assigned to at least one location in the model of the physical environment, according to the position of the at least one network device.

Abstract: A lamp is provided, the lamp comprising at least one LED module and a first housing part, wherein the LED module is sealed to the first housing part against environmental influences jointly by a first sealing member and a sealing compound.

Abstract: A lighting device includes a translucent bulb and a light engine arranged in said bulb. The bulb comprises a base with two connection wires for connecting the light engine. The light engine comprises two connection elements which are electrically and mechanically connected to the connection wires. The connection elements each comprise a gripping region for holding the light engine and a connecting region for connecting the light engine to the connection wires.

Abstract: A printable ink mixture may include: a medium, orthophosphoric acid, at least one metal oxide, and at least one pigment. A method for producing a color print on a glass or ceramic surface may include: producing an ink mixture including a medium, orthophosphoric acid, at least one metal oxide, and at least one pigment, applying the ink mixture to the glass or ceramic surface, removing the medium from the ink mixture, and baking the ink mixture on the glass or ceramic surface to produce the color print.

Abstract: A lighting device (in particular an MR-16 or a PAR-16 lamp) comprises a housing and a lens. A light module having a light source and a driver is attached to the lens. The lens is connected to the housing by means of a snap-on connection or by means of a formed (thermally, for example) edge section.

Abstract: An electronic driver for transforming an electronic ballast input voltage into an operating voltage for an LED lighting module. The driver includes a flicker eliminating circuit, which is adapted to operate in a saturation mode when the input voltage is below a threshold voltage. It operates in a switch mode when the input voltage is above a threshold voltage. A voltage drop in the flicker eliminating circuit in the saturation mode is higher than in the switch mode.

Abstract: A driver for a lighting module has driver inputs for receiving a supply voltage from an electronic control gear (ECG) and driver outputs for supplying power to the light-emitting element. The driver also has a ring choke converter (RCC) control circuit with a power switching transistor and with a transformer for supplying power to the driver outputs. The power switching transistor is adapted to control power supplied to the transformer. Coupled to the RCC control circuit, the driver furthermore has a feedback circuit. The feedback circuit is adapted to stabilize the power provided to the light-emitting element.

Abstract: A buck converter for converting a DC input voltage into a DC output voltage comprises a DC input circuit with a positive input terminal and a negative input terminal, for providing a DC input voltage, a converter circuit for converting a DC input voltage into a DC output voltage, and a DC output circuit with a positive output terminal, a negative output terminal and an output capacitor connected between the positive output terminal and the negative output terminal. The buck converter further comprises a switching device with a first switching terminal connected with the positive input terminal and a second switching terminal connected over a charging diode with the negative input terminal, a charging inductor as well as a frequency-dependent back-flow circuit connecting the positive output terminal with a power supply terminal of the switching device for supporting the power supply of the switching device.

Abstract: A light fixture includes a printed circuit board received in a housing. At least one light-emitting diode is mounted on a first region of the printed circuit board and an electronic driver is mounted on a second region of the printed circuit board. The first region is connected to the second region by a deformation zone of the printed circuit board formed in one-piece with the first region and the second region. The first region and the second region are electrically contacted with one another through the deformation zone.

Abstract: An optoelectronic assembly is provided in different embodiments. The optoelectronic assembly has the following; a printed circuit board; at least one optoelectronic first component which is arranged on a first face of the printed circuit board; a heat sink which has a first surface that is arranged on a second printed circuit board face facing away from the first component, wherein a boundary surface extends between the second face and the first surface; and at least one first welding connection, by means of which the heat sink is directly connected to the printed circuit board in a bonded manner and which together with the boundary surface forms a first cut surface, the first component at least partly overlapping the cut surface.

Abstract: A light fixture for an LED lamp having a glass bulb and at least one light-emitting diode. The glass bulb is filled with a heat-conducting gas and the at least one light-emitting diode is arranged inside the glass bulb. The heat-conducting gas in the glass bulb has a pressure of at least 2.2 bar at room temperature.

Abstract: An LED light fixture, includes a bulb, a light module with at least one light emitting diode chip which is mounted on a circuit board by means of chip-on-board assembly, and a driver of the light module, wherein the light module and the driver electronics are received in the bulb. The LED light fixture may be arranged within an enclosure to form an LED lamp.

Abstract: A light emitting diode (LED) module is disclosed having an elongated flat support with a first long end, a second long end opposite the first long end, and electrically conductive regions. The disclosed LED module includes at least one LED mounted on the flat support as well as an electronic driver with at least one electronic driver component mounted on the flat support for driving the at least one LED. The electrically conductive regions have a first pair of contact points on one of the two long ends for connection of the LED module to a current source and a second pair of contact points on one of the two long ends for connection of a smoothing capacitor on the LED module.

Abstract: A light-emitting component has a light-emitting diode chip which emits blue light with a peak wavelength of at least 450 nm and at most 465 nm. A conversion element is arranged downstream of the light-emitting diode chip in an emission direction. The conversion element contains a green fluorescent substance and a red fluorescent substance. During operation of the component the green fluorescent substance converts a part of the blue light into green light and the red fluorescent substance converts a part of the blue light into red light. The combination of the light-emitting diode chip and the conversion element thereby emits a cold white mixed light, comprising at least a part of the blue light, the green light, and the red light, wherein the cold white mixed light has a melanopic action factor of at least 0.85.

Abstract: A lighting device includes a primary lighting module with one or more light sources and one or more secondary lighting modules each with one or more light sources. Each secondary lighting module is mechanically and electrically connected to the primary lighting module. At least one of the secondary lighting modules is movable with respect to the primary lighting module. The shape of the lighting device can be varied between different configurations.

Abstract: A tube used for producing an electrically conductive connection between an electrical conducting element and a printed circuit board of a light fixture. The use of the tube in the printed circuit board makes it possible, due to a corresponding configuration and a region which widens in relation to the longitudinal direction, that the tube can be connected to the printed circuit board or is held thereby and can be soldered. Additionally, the configuration or widened portion prevents soldering agent from penetrating into the tube, so that a wire for voltage supply can then be introduced into the tube and can be connected thereto by deformation. As a result, an automatic and reliable method is made possible, so that a cost saving is produced.

Abstract: A tubular semiconductor lamp having an elongate heat sink formed from sheet metal, at least one strip-shaped circuit board, which is equipped with at least one semiconductor light source and which lies on the heat sink, and a light-transmissive bulb made of plastic, which arches over the equipped circuit board, wherein the circuit board is held in a longitudinally movable manner by the heat sink. A method for producing a tubular semiconductor lamp, which can be applied, for example, to replacement lamps for straight-line fluorescent lamps or linear lamps, of type T5 or T8.