Abstract: A lighting device, comprising a power setting unit for setting an electrical power of a light source electrically coupled to the power setting unit, a programmable control unit connected to the power setting unit for controlling the power setting unit, a light control interface unit connected to the control unit for supplying a control signal, and a housing made of an electrically insulating material, which provides a power connection for connecting to an electrical power supply network. The housing encloses at least the power setting unit and the control unit so that they are protected. The control signal is predefinable via the light control interface from outside the housing. The control unit provides a programming interface having at least two contact surfaces for electrically contacting the programming interface and an isolation unit for the programming interface and the housing has a passage opening in a housing wall for each contact.

Abstract: In various embodiments, a lighting system is provided. The lighting system includes an optical unit having a plurality of light guides which are respectively provided for at least one light source and which respectively have an input coupling face. On the output side, the light guides are connected via a common connecting portion of the optical unit, the connecting portion having an output face, pointing away from the light guides, for the light emerging from the light guides. The lighting system further includes a holding frame for the optical unit, by means of which the optical unit is fastened to a printed circuit board, having the light sources, of the lighting system.

Abstract: A method of manufacturing support elements for lighting devices includes: providing an elongated, electrically non-conductive substrate with opposed surfaces, with an electrically-conductive layer extending along one of said opposed surfaces, etching said electrically-conductive layer to provide a set of electrically-conductive tracks extending along the non-conductive substrate with at least one portion of the non-conductive substrate left free by the set of electrically-conductive tracks, forming a network of electrically-conductive lines coupleable with at least one light radiation source at said portion of said non-conductive substrate left free by the electrically-conductive tracks. Said forming operation includes selectively removing e.g. via laser etching a further electrically-conductive layer provided on said non-conductive substrate, or printing electrically-conductive material onto the non-conductive substrate.

Abstract: The individual configuration of beacons in lighting systems is to be simplified. Therefore, a lighting system with a lighting device and a beacon arranged in or at the lighting device is provided. The lighting system comprises a sensor device for acquiring an environmental parameter relating to an environment of the lighting system. Moreover, the beacon is formed to automatically configure itself based on the environmental parameter.

Abstract: A light detection and ranging system 100 for use with a vehicle 500. The system includes a transmitter 102 configured to transmit three transmission wavelengths nominally in a range from 800 nm to 1700 nm. A receiver is configured to receive three reflected signals 114, each of the three reflected signals 114 being a portion of an associated one of the three transmission wavelengths reflected to the receiver 104 from a roadway object 112. A controller 106 provides a categorization output in response to comparing reflectance values of the three reflected signals 114 to categorize the roadway object 112 into one of a plurality of pre-defined material-type categories. A method of controlling the travel of a vehicle based on a categorization output from a controller 106 is also provided.

Abstract: A lighting device for communication with a mobile terminal, comprising: a lighting means, and an electronic operating device for operating the lighting means, a data storage unit, in which a first key is stored in a memory area reserved therefor, an encryption unit configured to read out the first key from the reserved memory area and, in accordance with a specifiable encryption operation, to convert measurement value data and/or identification data intended for transfer to the mobile terminal into a message encrypted by means of the first key, and a transmitting unit configured to transmit the encrypted message to the mobile terminal.

Abstract: A connector for connecting mutually facing ends of elongate lighting devices is provided. The connector includes a connector body having opposed end regions coupleable to the facing ends of said lighting devices. The connector body includes a light emission region between the opposed end regions.

Abstract: An electronic half-bridge converter includes an input comprising two terminals for receiving a first power signal, and an output comprising two terminals for providing a second power signal. The converter includes a transformer and a half-bridge, wherein the half-bridge is interposed between input and primary winding of transformer. On the secondary side of transformer, the converter includes a rectifier circuit configured for converting the current provided via secondary winding into a rectified current, and a filter circuit configured for providing said second power signal by means of a filtering of the rectified current provided by rectifier circuit. The filter circuit includes: a first branch connected between both input terminals of the filter circuit and comprising a first inductor and a first capacitor connected in series, and a second branch connected in parallel with the first branch and comprising a second inductor and the output connected in series.

Abstract: A method for evaluating positioning parameters in a defined area, wherein the defined area is affected by at least three stationary access beam points and over which a grid pattern is laid with at least two grids, each grid having an anchor. An initial vector of positioning parameters is assigned to each anchor and a plurality of RSSI measurements are captured within the defined area by receiving signals from the at least three stationary access beam points. The plurality of RSSI measurement are clustered in a plurality of subsets, wherein the number of subsets corresponds to the number of the at least two grids. Finally, each subset of the plurality of subsets is associated with a respective one of the at least two grids and the initial vector is updated based on the subset of the plurality of subsets associated with the respective one of the at least two grids.

Abstract: Phospher particles with a Protective Layer and a method for producing phosphor particles with a protective layer are disclosed. In an embodiment the method includes treating Si-containing and/or Al-containing phosphor with an acid solution, wherein a pH value of the acid solution is maintained within a range of pH 3.5 to pH 7 for a period of at least 1 h, wherein an Si-containing layer is formed on the phosphor particles, wherein the Si-containing layer has a higher content of Si on a surface than the phosphor particles, and/or wherein an Al-containing layer is formed on the phosphor particles, wherein the Al-containing layer has a modified content of aluminum on the surface than the phosphor particles and tempering the treated phosphor particles at a temperature of at least 100° C. thereby producing the protective layer.

Abstract: The invention relates to a method for operating a transmission device of a lighting device comprising an illumination device, wherein the transmission device is arranged in or immediately on the illumination device and wirelessly emits a radio signal with identification signals that are specific to the transmission device, wherein the radio signal is emitted according to exactly one predetermined radio standard, wherein the radio signal contains the specific identification data at least in two data formats that are different from each other.

Abstract: Techniques for determining an actual position of a portable device are disclosed. In an embodiment, a two-tier triangulation and wireless beacon-enabled luminaire detection approach is implemented. An estimated position of a device is determined using wireless (e.g., wireless beacon) triangulation based on a signal parameter of a signal received from a wireless access point. The field of view of the portable device may be used to estimate positions of luminaires proximate the portable device. The actual position of the luminaires may be determined from the estimated position by querying a database. A second triangulation may be performed using the known position of the luminaires to determine the position of the portable device with respect to the actual position of the luminaire.

Abstract: A horticultural luminaire includes a first and second horticultural light sources to provide growth lighting to a plant at a first and second wavelengths. A control unit provides first lighting control signals to the first horticultural light source to modulate the first growth lighting and provides second lighting control signals to the second horticultural light source to modulate the second growth lighting. A LiDAR sensor is connected to the lighting control unit to receive the first and second control signals, and having optics to detect reflected first and second growth lighting to determine the distance from plant to sensor and a biometric property of the plant from the received first and second control signals and detected first and second reflected second growth lighting. In some implementations the LiDAR sensor and first and second horticultural light sources are integrated into the horticultural luminaire.

Abstract: A phosphor and a lighting device are disclosed. In an embodiment a lighting device includes a first phosphor disposed in a beam path of the primary radiation source, wherein the first phosphor has the formula Sr(SraM1?a)Si2Al2(N,X)6:D,A,B,E,G,L, wherein element M is selected from Ca, Ba, Mg or combinations thereof, wherein element D is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, alkali metals or Yb, wherein element A is selected from divalent metals different than those of the elements M and D, wherein element B is selected from trivalent metals, wherein element E is selected from monovalent metals, wherein element G is selected from tetravalent elements, wherein element L is selected from trivalent elements, wherein element X is selected from O or halogen, and wherein a parameter a is between 0.6 and 1.0.

Abstract: Lighting systems and associated controls that can provide active control of lighting device settings, such as on/off, color, intensity, focal length, beam location, beam size and beam shape. In some examples, lighting systems may include eye tracking technology and sensor feedback for one or more lighting device settings and may be configured with depth perception and cavity or incision recognition capability through image or video processing.

Abstract: In various embodiments, an optical arrangement is provided. The optical arrangement includes a carrier plate, on which at least one light source is arranged, at least one optical element for directing the radiation of the at least one light source, and at least one sleeve, which is connected to the light source and is intended to hold the optical element. At least one of the sleeve is configured in such a way that the light source and the optical element are respectively arranged therein at least in sections, or the optical element can be positioned exactly with respect to the light source.

Abstract: The present disclosure relates to different techniques of controlling an agricultural system, as for example a controlled agricultural system, an agricultural light fixture and a method for agricultural management. Furthermore, the disclosure relates to an agricultural system, which comprises a plurality of processing lines for growing plants of a given plant type, wherein a first processing line in the plurality of processing lines is configured to move a first plurality of plants through the agricultural system along a route; and apply a first growth condition to the first plurality of plants to satisfy a first active agent parameter for the first plurality of plants.

Abstract: An illumination device includes a light source, a micromirror array having micromirror actuators, switchable in each case between an on state and an off state, an optical unit, and an optical sensor unit. The light is guided onto the array and proportionally at a respective one of the actuators in an on tilt position is reflected to an illumination application, and in an off tilt position is reflected to the optical sensor unit. The device is configured such that a first actuator, which is in an on state in the on tilt position, is brought to the off tilt position for a first test interval, and a second actuator, which is in an off state in the off tilt position, remains in the off tilt position for the first test interval. A radiation power incident on the sensor unit during the first test interval is detected by the sensor unit.

Abstract: Various embodiments provide a bearing element for an electrode rod in a lamp stem. The bearing element includes an envelope configured in order to extend along a longitudinal axis of the electrode rod. The envelope has a polygonally shaped cross section at least in sections.

Abstract: A luminaire, comprising: a luminaire rear wall for mounting to a wall or ceiling, a printed circuit board, fitted with a plurality of light-emitting diodes and having a connecting cable, as a light-emitting means, and a connecting clamp connected to the connecting cable and to which a supply cable is able to be clamped. A spacer is fixedly mounted to the luminaire rear wall, to which the printed circuit board is releasably attached, with a free space being formed between the printed circuit board and the luminaire rear wall. The whole connecting cable, or a majority thereof, and the connecting clamp are arranged in the free space.