Abstract: In various embodiments, an optical element may include: a first planar base area; and a second planar base area; wherein the first base areas and second base areas do not lie in a same plane; wherein the first base area has a coating, which is designed to reflect or transmit an electromagnetic wave according to a predefined criterion; wherein the predefined criterion concerns a property of the electromagnetic wave which is different from an intensity; wherein a surface structure is arranged at the second base area of the optical element, said surface structure being formed integrally with the base area; and wherein the surface structure is designed to shape an intensity profile of a light beam impinging on the surface structure of the optical element.

Abstract: In various embodiments, a lighting device for mounting on a mounting surface is provided. The device may include: a planar solid state lighting module having a light emitting region; a housing which frames the lighting module, the housing having a window therein to expose the light emitting region of the lighting module; wherein the housing is magnetically attractable towards the mounting surface to retain the lighting module applied onto the mounting surface by the lighting module being sandwiched between the mounting surface and the housing magnetically attracted towards the mounting surface.

Abstract: A lighting device may include: a plurality of light sources; and a plurality of waveguides; wherein the waveguides each have a light coupling-in surface and a light coupling-out surface; wherein the light coupling-in surfaces are respectively assigned a light-emitting surface of a light source, such that light emitted by the light-emitting surface of the light source impinges on the light coupling-in surface of the waveguide assigned thereto; wherein the light coupling-out surfaces of the waveguides are arranged in a matrix-like manner; wherein the light coupling-in surface of the respective waveguide is smaller than the light-emitting surface of the light source assigned to said waveguide, and a grating-like optical diaphragm having grating cells is provided, which is arranged in the region of the light coupling-in surfaces of the waveguides, such that light coupling-in surfaces belonging to different waveguides are arranged in different grating cells of the grating-like optical diaphragm.

Abstract: An LED multichip module may include a plurality of LED chips, which have electrical terminals and are connected in series via electrical connections, and have a designated operating voltage, wherein at least one short-circuiting connection is provided, which connects two of the terminals or connections electrically conductively to one another, and the short-circuiting connection bypasses at least one of the LED chips or a resistor, with the result that the operating voltage is in the range of between 150 V and 350 V.

Abstract: A lighting device may include a carrier, on which at least one semiconductor light source is arranged; and may have at least one main reflector, which arches over the at least one semiconductor light source; wherein at least one local reflector, which is likewise arched over by the main reflector, is arranged on the carrier.

Abstract: A radiation-emitting semiconductor component, having a layer structure which includes an active layer which, in operation, emits radiation with a spectral distribution, and electrical contacts for applying a current to the layer structure, includes a coating layer which at least partially surrounds the active layer and holds back a short-wave component of the emitted radiation.

Abstract: A method for manufacturing a phosphor device may include: providing an optical transmitting member having a first end face and a second end face, whereby the optical transmitting member is designed for guiding exciting light entering through the first end face onto a phosphor layer arranged on the second end face, whereby at least a part of the exciting light is being wavelength-converted by the phosphor layer, and whereby the optical transmitting member is further designed for at least partially collecting and guiding the light converted by the phosphor layer; attaching an optically transparent electrode on the second end face of the optical transmitting member; providing a phosphor and a counter-electrode designed for electrophoretic deposition of the phosphor; and depositing a phosphor layer on the optically transparent electrode by means of electrophoretic deposition, thereby using the optically transparent electrode as a coating electrode.

Abstract: An encapsulation housing for a LED module, may include an upper housing and a lower housing joined together and defining together a cavity, wherein at least one of the upper housing and the lower housing has an inner partition wall partitioning the cavity into an assembly cavity and an anti-leakage cavity encircling the assembly cavity.

Abstract: A method for recovering phosphorus as a compound containing phosphorus from lamp waste, which contains luminophores, wherein a part, more than 20 wt.-%, of the luminophores are luminophores containing phosphorus, the method may include: a) mechanically partitioning out of coarse components; b) partitioning out of luminophores containing phosphorus as a dissolving process; c) separating the phosphorus; d) optionally carrying out at least one purification; and e) performing optional final treatment.

Abstract: A conversion element for the wavelength conversion of electromagnetic radiation from a first wavelength range to electromagnetic radiation from a second wavelength range, which includes longer wavelengths than the first wavelength range, the conversion element includes: a matrix material, the optical refractive index of which is temperature-dependent, and at least two different types of luminophore particles wherein a multiplicity of luminophore particles of each of the types are distributed in the matrix material, luminophore particles of different types differ from one another in terms of average particle size and/or material, the conversion element, upon excitation by electromagnetic radiation from the first wavelength range emits mixed radiation including electromagnetic radiation from the first and the second wavelength range, and the correlated color temperature and/or the color locus of the mixed radiation remain(s) substantially the same when the matrix material is at a temperature of between 25° C.

Abstract: A high-pressure discharge lamp having an ignition aid, may include a discharge vessel which is fitted in an outer bulb, wherein a UV enhancer is fitted as an ignition aid in the outer bulb, wherein the UV enhancer comprises a UV-transparent can-like container having an inner wall and end side and longitudinal axis, the container enclosing with its inner wall a cavity which is filled with a gas that can emit UV radiation, an inner vent electrode, which has at least one bend or kink, being fitted in the cavity in such a way that a bend or kink lie as close as possible to the inner wall of the container, and wherein an external electrode is applied externally in the vicinity of the container.

Abstract: In various embodiments, a method for calibrating a lighting device is provided. The lighting device may include at least one semiconductor light source. The method may include: determining a thermal power loss of the at least one semiconductor light source; determining an electrical power of the at least one semiconductor light source; and determining a light power of the at least one semiconductor light source from the electrical power and the thermal power loss.

Abstract: A discharge lamp (1) comprising a discharge vessel (4), at least one electrode (22, 24) arranged within the discharge vessel, wherein at least parts of the electrode (22) are provided with a particle composite coating (32) made up of a matrix layer and particles embedded in the matrix layer, wherein the extinction coefficient k of the material for the matrix layer is less than 0.1 in the spectral range between 600 nm and 2 ?m, and wherein the extinction coefficient k of the material for the particles is greater than 0.1 in the spectral range between 600 nm and 2 ?m.

Abstract: A method for producing a primary winding for producing an electrode for discharge lamps includes: producing a primary winding, wherein producing the primary winding comprises: providing a primary core wire, which has a longitudinal axis and consists of an electrically conductive material, winding a cladding wire around the primary core wire along the longitudinal axis of the primary core wire, with the result that the cladding wire forms a primary core wire cladding surrounding the primary core wire, and winding a wrapping wire around the primary core wire cladding at a radial distance from the primary core wire along the longitudinal axis of the primary core wire.

Abstract: A switch assembly, for instance adapted to wall-side installations, for supply arrangements of a load via multiple activation points (for example in the form of “double switching”), comprises a pair of traveler contacts alternatively connectable to a power supply, as well as a switch having an output contact, alternatively connectable to one or the other of the traveler contacts, respectively, on the basis of the current position of switch. Switch is an electronic switch which is connected, for example through an electronic circuit which optionally also performs a driving function on switch, to a respective power line. Powering elements are provided, for example in the form of a pair of diodes, controlled electronic switches or diode bridges, which connect said respective power line to the one of traveler contacts which is currently connected to power supply, therefore ensuring a steady supply irrespective of the switch position.

Abstract: An arrangement for driving a light source, including a plurality of LED strings by means of a current generator, wherein each said LED string forms a respective current mesh with said current generator, includes: at least one inductor acting on said current meshes, in each of said current meshes, an electronic switch having a first, working node towards the LED string and a second, reference node opposed to the LED string. All the reference nodes of all the electronic switches are connected together, and the working node of each electronic switch is connected to the work node of at least another one of the electronic switches via at least one current averaging capacitor. The electronic switches can be selectively rendered conductive, each one at a respective time interval, thereby selectively distributing the current of the current generator over the LED strings.

Abstract: In various embodiments, a lighting device is provided. The lighting device may include: a pump light source; a phosphor arrangement; and a light control element arranged between the pump light source and the phosphor arrangement; wherein the light control element is configured to split the pump light beam into a reflected part and a transmitted part and for controlling the ratio between reflected part and transmitted part; and wherein the phosphor arrangement includes at least one phosphor which can be irradiated with the reflected part and/or transmitted part of the pump light of the pump light source and emits said pump light again at least partly in a wavelength-converted fashion.

Abstract: A lighting device, having at least one light outlet opening and at least two different fixing interfaces for the optional fixing of a respective attachment element optically upstream of the at least one light outlet opening.

Abstract: In various embodiments, a lamp may include a lamp bulb composed of light-transmissive material; and at least one semiconductor light source arranged within the lamp bulb, and comprising a base, corresponding to a standardized incandescent lamp base; wherein the lamp has at least one optical waveguide which is connected to the lamp bulb and extends in the direction of the at least one semiconductor light source.