Abstract: A device for mounting planar lighting sources having a light emitting surface on a substrate includes a frame provided with fixing formations for fixing the frame on the substrate with the planar lighting source sandwiched between the frame and the substrate. The frame has an opening to surround the light emitting surface of said lighting source and is provided with elastic formations to elastically urge the lighting source toward the substrate. The fixing formations include at least one resilient formation to resiliently urge the frame toward the substrate.

Abstract: According to an embodiment, a polyhedron may be provided. The polyhedron may include a first luminescent face; and a second luminescent face.

Abstract: A semiconductor lamp may include at least one semiconductor light source and a driver for feeding the at least one semiconductor light source, wherein the driver is inductively coupled to the at least one semiconductor light source at least for the feeding.

Abstract: A lighting apparatus may include: a light source substrate, to the front side of which at least one semiconductor light source is fitted and the rear side of which is fitted to an electrically conductive carrier; wherein alongside the light source substrate at least two electrically conductive contact pins are led through the carrier and the contact pins are electrically connected to the at least one semiconductor light source; wherein the contact pins are in each case introduced into an electrically insulating sleeve and the respective sleeve is inserted into an associated cutout of the carrier.

Abstract: In various embodiments, a lighting device may include at least one current-controlling device and at least two arrangements of at least one monochromatic light source in each case, wherein the light sources of both arrangements have approximately the same light color wherein at least one light source of one arrangement of light sources in each case has an active thermal connection to at least one light source or at least one further arrangement.

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: The invention relates to a circuit arrangement for operating at least one discharge lamp (FL1) and at least one LED (D5, D6, Dn), wherein the connection of the LEDs has so-called SELV insulation.

Abstract: A radiation-emitting component includes a semiconductor chip and a conversion element. The semiconductor chip includes an active layer suitable for generating electromagnetic radiation and a radiation exit face. The conversion element includes a matrix material and a luminescent material. The conversion element is arranged downstream of the radiation exit face of the semiconductor chip. The matrix material comprises at least 40 wt. % tellurium oxide and is free of boron trioxide and/or germanium oxide. A method for producing such a radiation-emitting component is furthermore stated.

Abstract: Various embodiments provide a fuse for a light emitting diode fluorescent lamp retrofit lamp, the fuse including a first electrical fuse connecting element for the electrical connection to an electric socket connecting element of a socket of the light emitting diode fluorescent lamp retrofit lamp; and a second electrical fuse connecting element for the electrical connection to a driver of the light emitting diode fluorescent lamp retrofit lamp; wherein the first fuse connecting element is designed as a connecting pin which is provided and equipped for a rigid connection to the socket connecting element.

Abstract: A high pressure discharge lamp may include a ceramic discharge vessel and a longitudinal axis, wherein at least one electrode is led out of the discharge vessel by means of a metal-containing feed-through, wherein the feed-through is connected to one end of the discharge vessel by way of a ceramic-containing adjustment part, wherein the adjustment part is tubular and consists of individual layers with different compositions, at least two materials A and B forming a plurality of layers of the adjustment part, these materials being chosen such that their coefficient of thermal expansion is between that of the feed-through and that of the end of the discharge vessel or at most is just outside, the layer thickness of each layer being so low that no shearing forces can occur, and the layer thickness of each layer of the same material being different.

Abstract: Provide a plurality of lighting modules. Connect together a plurality of the lighting modules for forming a series of lighting modules. Cut the series of lighting modules into lighting devices having a lighting module. Interconnection elements of the last lighting module of each lighting device are cut along their transverse axes. Each lighting module includes a first set of contacts placed at a first end of said lighting module and a second set of contacts placed in corresponding positions at a second end of said lighting module. Each lighting module is connected to the next lighting module by means of interconnection elements which connect the first set of contacts of each lighting module to the second set of contacts of the next lighting module. Interconnection elements include a base plate and a hollow portion in order to form female connectors when said interconnection elements are cut along their transverse axis.

Abstract: In various embodiments, a method for operating a high-pressure discharge lamp is provided. The method may include: during a first time slice, a voltage is applied to the high-pressure discharge lamp at a first frequency and said voltage is modulated with a second frequency and a first modulation level, during a second time slice, a voltage is applied to the high-pressure discharge lamp at a third frequency and said voltage is modulated with a fourth frequency and a second modulation level, and during a third time slice, a voltage is applied to the high-pressure discharge lamp at a fifth frequency.

Abstract: In various embodiments, an electronics housing for a lamp is provided, wherein an electronics printed circuit board is accommodated in an accommodating area surrounded by the electronics housing, and the electronics housing has an elongate channel, the channel connecting an outer side of the electronics housing to the accommodating area and extending substantially parallel to and offset with respect to the electronics printed circuit board.

Abstract: In various embodiments, a discharge lamp may include a lamp vessel that includes a discharge vessel enclosing a discharge medium and two lamp shafts each extending coaxially at opposite ends of the discharge vessel, two outer power-feed sections each extending to the outside from one of the lamp shafts, two electrodes each consisting of an electrode rod and electrode head, with the electrode rods being arranged along the lamp shafts such that the two electrode heads are located mutually opposite inside the discharge vessel, a sealed section in each of the two lamp shafts by which a gas-tight electricity passage is formed between the two outer power-feed sections on the one hand and the two electrodes on the other, a narrow section in each of the two lamp shafts that is arranged between the respective sealed section and the electrode head of the associated electrode, with the narrow section closely surrounding the electrode rod, and a damping/guiding element arranged between the narrow section of a lamp shaft

Abstract: Various embodiments relate to a projection device for projecting useful data onto a projection surface. In this case, a first laser device generates radiation having a first wavelength and a second laser device generates radiation having a second wavelength. The spots of the respective beams are detected by a sensor device and fed to a drive device for the laser devices. Said drive device temporally shifts the drive signals relative to one another in such a way that a horizontal distance between the spots is minimized. Various embodiments furthermore relate to a corresponding method for projecting useful data.

Abstract: In various embodiments, a street lighting device with a first light source for illuminating the street plane from above is provided. The device may include a second light source located at a closer position to the street plane than said first light source; a sensor sensitive to the occurrence of conditions of reduced ambient visibility; and a controller connected to said sensor and capable of activating said second light source in the presence of said conditions of reduced ambient visibility.

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 rod-shaped retrofit lamp may have a mechanical sensing unit, and a current path has a plurality of electrically conductive sub-segments of which a first sub-segment is connected to the associated pin and of which a sub-segment is connected to the lamp's electronics unit, wherein the mechanical sensing unit is elastically pushed in counter to its projection direction from a released condition into an engaged condition and interacting with two current paths in such a way that the respective current path's first and second sub-segment will have been galvanically mutually coupled when the sensing unit is in the engaged condition so that the respective current path will have been closed and associated pin thereby electrically connected to the internal electronics unit.

Abstract: A circuit arrangement for operating an LED may include a switching controller with an output for coupling to the LED; a short-circuiting switch with a control electrode, it being possible for the short-circuiting switch to be connected in parallel with an LED; and a control device with a radiation signal input for supplying a radiation signal and a first output, which is coupled to the control electrode of the short-circuiting switch; wherein the switching controller includes a start/stop input for starting the switch controller, it being possible for the control device to furthermore include a second output which is coupled to the start/stop input of the switching controller, it being possible for the control device to be designed to supply a start/stop signal at its second output for starting and stopping the switching controller depending on the radiation signal.

Abstract: In various embodiments, a semiconductor lamp may include a driver cavity for accommodating driver electronics, and a light source substrate populated with at least one semiconductor light source, said driver cavity being closed by the light source substrate.