Abstract: According to the present disclosure, a method for operating an illumination apparatus is provided. The method has at least two light-emitting devices, which are arranged next to one another separated by a gap and each have a multiplicity of light-emitting elements, by individually driving all light-emitting elements of each light-emitting device, measuring a gap width of the gap and/or a luminance in the gap, and controlling or regulating in each case a luminance of one or more of the light-emitting elements which are arranged directly at the gap in dependence on the gap width and/or on the luminance in the gap.

Abstract: A module may include a housing in which a radiation source is arranged, where the radiation source is configured to emit an excitation radiation by virtue of a conversion element disposed downstream of the radiation source, and the conversion element is configured to convert, at least in part, the excitation radiation. The conversion element may be fastened to a holding section of the housing. The holding section may be encompassed by a positioning element. A receptacle of a component may be adapted to the positioning element. The component may be downstream of the module. The housing may be positionable in the receptacle in order to position the component with respect to an impingement region of the excitation radiation on the conversion element.

Abstract: A projection lamp for illumination includes a pump radiation unit configured to emit pump radiation, a phosphor element for the at least partial conversion of the pump radiation into a conversion light, and a micromirror array having a multiplicity of micromirror actuators which are arranged in the form of a matrix. The projection lamp is set up such that, during operation, the phosphor element is irradiated by the pump radiation from the pump radiation unit. The conversion light which is thereupon emitted by the phosphor element at least partially makes up an illumination light, which illumination light is guided for adjusting a light distribution over the micromirror actuators. The micromirror actuators are illuminated inhomogeneously with the illumination light at respective times to support the light distribution that is adjusted using the micromirror array.

Abstract: A light emitting assembly includes a first light emitting component, a second light emitting component, and a third light emitting component. The components are arranged such that a first light, a second light and a third light mix to form a mixed light. The assembly includes a control device, which has a first control channel and a second control channel operating the three components and configured such that in a first operating range the first component is driven via the first channel and the second and third components are driven jointly via the second channel. In the first operating range the mixed light is continuously adjustable from the first color to a fourth color, and in a second operating range the second component is driven via the second channel and the first and third components are driven jointly via the first channel.

Abstract: According to the present disclosure, lighting sources having operating parameter(s), which is controllable in lighting sequence(s) as a function of a time code data set coupled with the sequence, are controlled as a function of a videogame played on display(s): by providing a repository of operating data files for the sources coupled with the lighting sources with each data file including time code data set(s) for lighting sequence(s) for one of the lighting sources, by retrieving in the data repository operating data file(s) coupled with a source selected among the lighting sources, and by detecting from the display a videogame signal indicative of the development of a videogame, and by operating the selected lighting source by controlling the operating parameter(s) as a function of the operating data included in the operating data file retrieved and as a function of the videogame signal detected.

Abstract: A lighting system includes an electronic converter, a lighting module and a switching stage. The electronic converter includes a transformer, a rectifier circuit and an output filter circuit. A capacitance is connected between the primary winding and the secondary winding. The lighting module includes a chain of LEDs and a current regulator, wherein the chain of LEDs is mounted onto a substrate of a metallic material, so that a parasitic capacitance is present between the lighting module and the substrate of a metallic material. The switching stage includes a field-effect transistor interposed in the negative line which connects the lighting module to the electronic converter, and a control unit configured to drive the gate terminal of the transistor as a function of a dimming signal. The switching stage includes a diode connected to negative output terminal of the switching stage and to positive output terminal of the switching stage.

Abstract: Various embodiment may relate to a circuit arrangement for operating a load, including an input for inputting a mains input AC voltage, a power converter circuit, a converter circuit which converts the mains input AC voltage rectified by the power converter circuit into an output voltage, a control circuit for controlling the converter circuit, and a linear regulating circuit which sets a predetermined load current at the load. The load current is a direct current with a uniform current intensity. The control circuit controls the converter circuit in such a manner that the current intensity of the load current is reduced when the output voltage is at a minimum.

Abstract: A controller for accessing a network of lighting system devices, the controller comprising: a communication subsystem configured to allow the controller to be identified as a node on the network, and to communicate according to a first protocol with at least one of said lighting system devices on the network; wherein the controller is configured to detect the presence of a Master lighting system device on the network via the first protocol; wherein the controller is configured to assume a role based on the detection.

Abstract: Techniques and architecture are disclosed for mobile transport systems configured to determine vehicle positions within an area using light-based communication signals. The system includes a plurality of luminaires located in an area and configured to transmit luminaire position data recognizable by a sensor disposed on a vehicle. The sensor receives an image of a luminaire including a light-based communication signal encoded with luminaire position data. Luminaire position data can be combined with luminaire layout information to determine a known location of the luminaire. A vehicle position relative to the known luminaire location can be determined based on mathematical relationships. Vehicle orientation relative to the area can be determined based an asymmetric fiducial pattern or multiple known luminaire locations. The system can combine a vehicle position relative to a known luminaire location with vehicle orientation relative to the area to determine a vehicle position relative to the area.

Abstract: In various embodiments, an electronic operating device for light sources is provided. The electronic operating device may include an input part for inputting an input voltage and an output part for outputting an output voltage and an output current for the light sources. The electronic operating device is configured to operate the output part as a voltage source for a period of time after the input voltage has been applied, and subsequently to operate the output part as a current source after this period of time.

Abstract: In various embodiments, a lamp is provided. The lamp may include two mutually opposite end sections, which each form an electrical contact of the lamp. In each case at least one semiconductor light source is arranged in the region of the end sections. The lamp has an operating apparatus for the semiconductor light sources. The operating apparatus has electrical components, which are arranged in the region of a first section of the lamp, and the operating apparatus has at least one further electrical component, which is arranged in the region of the second end section of the lamp.

Abstract: A lighting device provides a lighting unit for emitting useful light and a sensor. The unit includes a laser diode for emitting pump radiation and a phosphor element, which during operation is irradiated by the laser diode and thereby excited and serves for converting the pump radiation into conversion light, which conversion light at least proportionally forms the useful light. The sensor monitors the pump radiation conversion and at the same time detects a conversion light intensity, and is arranged with respect to the phosphor element of the unit so that a portion of the useful light and a measurement portion of the conversion light is incident on the sensor. The lighting device operates so that the phosphor element at least at times is irradiated in a pulsed manner and thereby excited so that between two pulses the conversion light intensity detected by the sensor decreases by at least 10%.

Abstract: A lighting device includes a light source, a reflector having an ellipsoidal reflection surface, an aspherical lens, and an exit pupil. The source is arranged at a first focal point of the reflection surface and a part of the emitted light is reflected from the reflection surface in the direction of a second focal point. The pupil is arranged offset with respect to the second focal point. The lens is arranged between the reflection surface and the pupil in a beam path with the reflected light and is shaped such that a first part of the reflected light passes through the lens with an aperture angle altered by not more than 5° in a central region and passes through the pupil and a second part of the reflected light penetrates through the lens in an outer region and is deflected by the lens and is consequently guided through the pupil.

Abstract: A lighting device includes an elongated support member, a plurality of light sources, at least one electrically conductive layer for interconnecting the light sources, and covering layer provided over the light source and conductive layer, the covering layer having discontinuities defining a marker array for cutting to length the lighting device.

Abstract: A lighting device may be produced by providing a protected elongate light emitting module, including a substrate with at least one electrically-powered light radiation source, and at least one sealing mass protecting light radiation source(s), and by coupling to said light emitting module a channel-shaped cover member with a body portion including light permeable material and side portions, with the side portions of the cover member embracing and locking therebetween the light emitting module and with light radiation source(s) facing towards body portion of cover member, whereby the light permeable material provides a propagation path for the light radiation from light radiation source(s).

Abstract: Various embodiments may relate to an illumination device for vehicles, including multiple semiconductor light sources, and at least one light wavelength conversion element for the wavelength conversion of the light emitted by the semiconductor sources. At least one light-refracting optical unit is associated with each semiconductor source, which is designed to direct light emitted by the respective semiconductor source onto the at least one light wavelength conversion element. The at least one light-refracting optical unit is movably arranged with respect to the semiconductor source with which it is associated.

Abstract: A lighting device, which may be used e.g. to produce motor vehicle lamps, may include a light radiation source, e.g. a LED source, having a light-permeable body arranged facing source for propagating light radiation along a longitudinal axis. The light-permeable body includes a collimator exposed to light radiation source and adapted to collect light radiation and to inject it into light-permeable body, a tapered portion coupled to collimator for receiving light radiation and directing it towards an output end, a distal portion acting as an emission filament, coupled to the output end of tapered portion, with an output mirror having a shank portion extending in said distal portion and a head portion, the output mirror reflecting light radiation radially from longitudinal axis and proximally towards said light radiation source.

Abstract: An irradiation apparatus includes a radiation unit for the emission of radiation in the form of a beam, a first microlens arrangement, downstream of the radiation unit, having a multiplicity of convergent microlenses, for dividing the beam into one partial beam per convergent microlens, and a convergent lens, downstream of the microlens arrangement, that overlays the partial beams, in an irradiated area. The microlenses have a first group and a second group. The microlenses in each group are identical, but the microlenses in the first group differ from the microlenses in the second group from their shape, size and/or focal length, so that a first region of the irradiated area, which is irradiated via the microlenses in the first group, differs from a second region of the irradiated area, which is irradiated by the microlenses in the second group, from its shape and/or its size.

Abstract: According to the present disclosure, a method for operating an illumination apparatus is provided. The method has at least two light-emitting devices, which are arranged next to one another separated by a gap and each have a multiplicity of light-emitting elements, by individually driving all light-emitting elements of each light-emitting device, measuring a gap width of the gap and/or a luminance in the gap, and controlling or regulating in each case a luminance of one or more of the light-emitting elements which are arranged directly at the gap in dependence on the gap width and/or on the luminance in the gap.

Abstract: Various embodiments relate to an irradiation device including a pump radiation source for emitting pump radiation, a conversion element for converting the pump radiation into conversion radiation of longer wavelength, and a reflection surface, which is reflective to the conversion radiation and on which backscattered conversion radiation emitted at a backscatter emission surface and thus counter to a useful direction is incident and is reflected therefrom back to the conversion element; said reflection surface is concavely curved relative to the conversion element in such a way that at least the backscattered conversion radiation emitted divergently from a surface centroid of the backscatter emission surface is incident on the reflection surface at an angle of incidence of at most 20° in terms of absolute value.