Abstract: Lighting module mounted onto a C-shaped rail having a bottom wall and electrical lines extending along the rail includes a light source board having a first face carrying one or more light radiation sources and a second face carrying electrical contacts. A channel-shaped housing envelops the board and has a web wall for emitting the light radiation and two opposed side walls each facing one of the longitudinal edges of the board. Each of a pair of opposed guide members extends along one of the longitudinal edges of the board facing a corresponding side wall of the housing. Each of the guide members and the corresponding side wall of the housing have complementary, mutually cooperating, ramp-like surfaces to retain the light source board within the housing. Elastic members urge the board away from the web wall of the housing, whereby the complementary ramp-like surfaces are elastically urged against each other.

Abstract: A semiconductor lighting device may include a substrate populated with at least one semiconductor light source, wherein at least one reflective surface region of the substrate is covered with a light-reflecting layer, and wherein the light-reflecting layer has an aluminum carrier coated in a reflection-intensifying manner.

Abstract: An LED lighting assembly may include: a substrate, a metal layer applied on the substrate, and an LED chip provided on the metal layer, wherein the metal layer comprises a first region for heat dissipation and two second regions for electric conduction, and the first region and the two second regions are electrically insulated from each other, and wherein the LED chip is provided in the first region and is respectively electrically connected with the two second regions via wires.

Abstract: A converter, for feeding a load via an inductor, includes a switch to permit or prevent the feeding of current towards inductor, and a current sensor with a resistor coupled to the converter output, adapted to sense the current through said inductor when switch is off. A further switch is provided which is conductive when said switch is turned off; moreover, a drive circuitry is provided which is coupled to current sensor to turn said switch on as a function of the detected current. Drive circuitry is fed by a bootstrap circuit which includes: a bootstrap capacitor to accumulate a feeding charge for drive circuitry and coupled to the converter output and to a bootstrap diode, a coupling capacitor interposed between said further switch and bootstrap diode, as well as a bootstrap resistor interposed between a power supply source and bootstrap diode to charge coupling capacitor therefrom.

Abstract: The invention relates to an OLEEC component and to a production process therefor. This component has an active layer including a novel emitter complex. This complex is formed by the coordination of low molecular weight semiconductors around a central cation. The complexation allows wet-chemical processing of low molecular weight semiconductors. This also allows formation of emitter complexes from effective hole or electron transport materials.

Abstract: A lighting device may include a tube and end caps located at two ends of the tube, a lighting assembly arranged in the tube, a driver for the lighting assembly, an antenna, and a wireless communication circuit for conducting wireless communication, the antenna being provided in the end cap and the wireless communication circuit being provided in the tube or at least partially provided in the end cap, and one side of the wire communication circuit being connected to the driver and the other side thereof being connected to the antenna.

Abstract: An electronic ballast for a lighting unit may include a Power Factor Correction (PFC) circuit, an inverter, and a control circuit for controlling startup of the inverter, wherein the control circuit is coupled between the PFC circuit and the inverter and includes a switching device coupled in a startup loop for the inverter; a unidirectional conductive device coupled between a PFC power supply circuit for providing an operation current to a PFC controller of the PFC circuit and an input of the PFC controller for preventing a startup current flowing through the PFC circuit from triggering the switching device; and a triggering device coupled to the switching device and a connection point between the unidirectional conductive device and the PFC power supply circuit for controlling switch-on and switch-off of the switching device.

Abstract: A laser-phosphor device is disclosed wherein laser radiation from a laser array is transmitted via a collimating primary optical unit and via an imaging optical system onto a phosphor layer. The laser arrangement has a plurality of lasers, for example laser diodes. Via the imaging optical system, a reduced imaging of the laser radiation distribution of the primary optical unit is produced on the phosphor layer.

Abstract: An illumination device with an exit surface for pump light propagation with a main propagation direction and a phosphor element for converting the pump light into converted light is disclosed. Further, an optical system with a reflection surface is provided for deflecting the pump light, where the reflection surface reflects the pump light with a directional component opposite to the main propagation direction and onto the phosphor element.

Abstract: A method for producing a laser device comprising: a semiconductor laser (1) which is configured to emit a laser beam; (2), and a lens (3) which is position-adjusted relative to the semiconductor laser (1), wherein the lens (3) is firstly shifted perpendicularly to the expansion direction of the laser beam (2) and is consequently penetrated by the laser beam (2), wherein the optical axis of the lens (3) lies parallel to the expansion direction of the laser beam (2), and the lens (3) is then fastened to a lens holder (5) by a joining connection (4) by flowing material, which solidifies in order to form the joining connection, such that the mobility of the lens (3) perpendicular to the expansion direction of the laser beam (2) is blocked.

Abstract: An electronic module to be mounted on a mounting surface may include: a circuit board provided with a heat source, wherein a thermal via is formed through the circuit board and is in thermal contact with the heat source; and a potting material packaging the circuit board at least at the other side opposite to one side of heat source, wherein the potting material has a recess formed in at least part of an area corresponding to the thermal via at the other side of the circuit board and a thermal conductive material, which is thermal-conductively connected to the mounting surface, is filled in the recess.

Abstract: A circuit arrangement includes a converter having a converter switch and a driver for the converter switch. The driver includes an interface coupling to a dimming apparatus supplying a dimming value. The driver provides an RF signal with a duty ratio at the output of the driver. The driver modifies the RF signal by superposition of a PWM signal such that, in correlation with the supplied dimming value, a predefinable number of periods of the RF signal is chopped from the RF signal. The driver is configured to reduce the duty ratio of the RF signal during at least one predefinable period of the RF signal in order to adjust levels of dimming which correspond to dimming values which are between a first and a second dimming value which differ from one another by at least one period of the RF signal.

Abstract: A phosphor body (1) for converting pump light into converted light, the extent of said phosphor body being greater in a direction of extent (3) than in a direction perpendicular thereto, and which phosphor body is adapted to emit converted light in the direction of extent (3) as a result of illumination with pump light. The phosphor body (1) comprises at least two phosphor body subvolumes (2a,b,c,d), which are configured in such a way that the converted light emitted in each case by said phosphor body subvolumes differs in terms of the spectral properties. The phosphor body subvolumes are arranged successively in a direction oriented perpendicular to the direction of extent.

Abstract: A halogen incandescent lamp for vehicle headlamps includes a coiled incandescent filament arranged within a transparent lamp vessel, wherein the incandescent filament is dimensioned in such a way that, during operation on an operating voltage of 13.2 V, the halogen incandescent lamp has an electrical power consumption in the region of greater than 22 watts and less than or equal to 27 watts and generates a luminous flux in the range of from 400 to 600 lumens.

Abstract: A phosphor device (1) for converting pump light into converted light comprising: a container (3), wherein phosphor particles (5) are movable by a pressure fluid, and an illumination region (9), configured for an illumination of the phosphor particles (5), which are moved by pressure fluid, using pump light, as a result of which converted light is emitted.

Abstract: In various embodiments, a gas discharge tube having a starting aid may include a discharge vessel with at least one open end, in which end a stopper with a continuous stopper bore is inserted; and an electrical leadthrough, which is inserted into the respective stopper bore and is fuse-sealed into the stopper bore. The starting aid extends as far as into the stopper bore.

Abstract: The present disclosure relates to an apparatus with a closed housing, as well as isolation and manufacture method thereof. The apparatus is arranged in a first medium during operating, and the inside of the apparatus is filled with a second medium the pressure of which is higher than the pressure of the first medium. By means of the apparatus with the closed housing and the isolation and manufacture method according to the embodiments of the present disclosure, at least one of the following objects may be achieved: achieving sufficient sealing with relatively low cost, improving the performance and/or lifetime of the devices contained in the apparatus, and facilitate the maintaining and replacing of the apparatus and the devices contained therein.

Abstract: A method for occupancy detection is disclosed. The method may include capturing an image, moving a sliding window over said image, determining features for intensity image and gradient image, generating a strong classifier, detecting shape of object; and determining occupancy.

Abstract: A method for occupancy location includes capturing a spatially coded image of a scene, identifying a region of interest in the image, generating a pixel plausibility index for each image pixel in the region of interest, and classifying pixels as relating to occupancy responsive to the pixel plausibility index.

Abstract: A high-pressure discharge lamp with a starting aid, may include a discharge vessel, wherein the discharge vessel has two ends with seals, in which electrodes are fastened, wherein the starting aid is fitted on the outside of the discharge vessel, wherein the starting aid has a local field amplifier having a configuration with at least one tip or edge or structure with a small radius of curvature, and wherein the starting aid produces a corona discharge which emits UV radiation into the discharge vessel.