Abstract: The invention relates to a solar roof plate system for laying on an inclined surface, preferably on a roof comprising a roof ridge and an eave, with at least two roof plates comprising an upper side and a lower side, and with a solar module, which extends over the upper side of the roof plates and can be fastened thereto. A profile rail is provided interconnecting the roof plates, which comprises at least one module receptacle for receiving an edge of the solar module, preferably an edge of the solar module facing the eaves or the roof ridge.

Abstract: In a system and method for operating a system having a rectifier which is supplyable from an electric AC-voltage supply network, an inverter which feeds an electric motor, and a DC/DC converter which is connected to an energy accumulator, the DC-voltage side connection of the inverter is connected to the DC-voltage side connection of the rectifier, in particular, the electric motor is supplied from the AC-voltage side connection of the inverter, a first DC-voltage side connection of the DC/DC converter is connected to the DC-voltage side connection of the rectifier, in particular, the DC-voltage side connection of the inverter and the first DC-voltage side connection of the DC/DC converter are connected in parallel, the DC/DC converter has a housing in which a device for current acquisition is situated, which acquires either the current, in particular network phase currents, flowing into the rectifier at the AC-voltage side connection of the rectifier, or the current emerging from the rectifier at the DC-volt

Abstract: In embodiments of the invention, a light emitting device includes a semiconductor structure including a light emitting layer disposed between an n-type region and a p-type region. A first wavelength converting layer is disposed in a path of light emitted by the light emitting layer. The first wavelength converting layer may be a wavelength converting ceramic. A second wavelength converting layer is fused to the first wavelength converting layer. The second wavelength converting layer may be a wavelength converting material disposed in glass.

Abstract: Embodiments of the invention include a light source and a nitridoberyllate phosphor disposed in a path of light emitted by the light source. The nitridoberyllate phosphor includes a trigonal planar BeN3 structure and/or a tetrahedral Be(N,O)4 structure.

Abstract: A system includes a first part and a second part, the second part being movable relative to the first part, the first part having an optical waveguide that radiates light on the side, the second part at least one sensor system for detecting the light intensity.

Abstract: In a system and method for operating a system, which includes a first inverter which feeds a first electric motor, and a second inverter which feeds a second electric motor, the DC-voltage side connection of the first inverter is connected to the DC-voltage side connection of a rectifier which is supplied from an electrical AC-voltage supply network, the DC-voltage side connection of the second inverter is connected to the DC-voltage side connection of the rectifier, in particular, the two DC-voltage side connections of the inverters are switched in parallel, and a controller is provided, in particular in the first inverter, which controls the current accepted and acquired by the first inverter at its DC-voltage side terminal toward a setpoint value in that the torque of the first electric motor fed by the first inverter is the controlled variable.

Abstract: A wavelength converting layer is disclosed that includes a plurality of phosphor grains 50-500 nm in size and encapsulated in cerium free YAG shells and a binder material binding the plurality of phosphor grains, the wavelength converting layer having a thickness of 5-20 microns attached to the light emitting surface.

Abstract: A wavelength converting layer is partially diced to generate a first and second wavelength converting layer segment and to allow partial isolation between the first segment and the second segment such that the wavelength converting layer segments are connected by a connecting wavelength converting layer. The first and second wavelength converting layer segments are attached to a first and second light emitting device, respectively to create a first and second pixel. The connecting wavelength converting layer segment is removed to allow complete isolation between the first pixel and the second pixel. An optical isolation material is applied to exposed surfaces of the first and second pixel and a sacrificial portion of the wavelength converting layer segments and optical isolation material attached to the sacrificial portion is removed from a surface facing away from the first light emitting device, to expose a emitting surface of the first wavelength converting layer segment.

Abstract: In a method according to embodiments of the invention, for a predetermined amount of light produced by a light emitting diode and converted by a phosphor layer comprising a host material and a dopant, and for a predetermined maximum reduction in efficiency of the phosphor at increasing excitation density, a maximum dopant concentration of the phosphor layer is selected.

Abstract: In embodiments of the invention, a light emitting device includes a semiconductor structure including a light emitting layer disposed between an n-type region and a p-type region. A first wavelength converting layer is disposed in a path of light emitted by the light emitting layer. The first wavelength converting layer may be a wavelength converting ceramic. A second wavelength converting layer is fused to the first wavelength converting layer. The second wavelength converting layer may be a wavelength converting material disposed in glass.

Abstract: Embodiments of the invention include a wavelength-converting composition as defined by R3?x?y?2Ax+yMzSi6?w1Alw1O3x+y+w1N11?7x/3?y?w1?2?2x/3, with ? being vacancies of the structure that are filled by oxygen atoms with 0<x?3, ?3?y<3, 0<z<1,0?w1?6, 0?x+y, x?y+z?3, 11?7/3x?y?w1?0, and 3x+y+w1?13. R is selected from the group comprising trivalent La, Gd, Tb, Y, Lu; A is selected from the group comprising bivalent Ca, Mg, Sr, Ba, and Eu; and M is selected from the group comprising trivalent Ce, Pr and Sm.

Abstract: In a transport system and method for operating a transport system the transport system includes a first mobile component and a second mobile component as well as a transport rack. Bearing rollers for moving the transport rack on a driving surface are disposed on the transport rack, in particular, the mobile component is drivable on the driving surface. Each mobile component has a linear axle and a control as well as wheels driven by an electric motor. The first mobile component is able to drive underneath the transport rack in a first region of the transport rack, and the second mobile component is able to drive underneath the transport rack in another, i.e. second, region of the transport rack. The transport rack is able to be raised by extending the linear axles of the mobile components, in particular is able to be raised in such a way that the bearing rollers of the transport rack lose physical contact with the driving surface.

Abstract: The invention provides a lighting unit comprising a source of blue light, a source of green light, a first source of red light comprising a first red luminescent material, configured to provide red light with a broad band spectral light distribution, and a second source of red light comprising a second red luminescent material, configured to provide red light with a spectral light distribution comprising one or more red emission lines. Especially, the first red luminescent material comprises (Mg,Ca,Sr)AlSiN3:Eu and/or (Ba,Sr,Ca)2Si5-xAlxOxN8-x:Eu, and the second red luminescent material comprises K2SiF6:Mn.

Abstract: In a method for operating, in particular for controlling, a system, and a system, in which the system has vehicles, a central control unit, and at least one stationary transceiver module, which is connected to the central control unit with the aid of a bidirectional communications channel and which has a spatial transmission area, in particular a transmission cone, each vehicle has a respective transceiver module, each in particular having a respective spatial transmission area for the bidirectional communication with the stationary transceiver module and/or a vehicle, the respective transceiver module has at least one controllable light source and one light sensor, in particular a light source of visible light and a light sensor for visible light, the central control unit transmits driving orders to the vehicles with the aid of the stationary transceiver module, a first vehicle that is located within the spatial transmission area of the stationary transceiver module forwards a driving order to a second vehic

Abstract: The invention provides a lighting unit comprising a light source, configured to generate light source light and a luminescent material, configured to convert at least part of the light source light into luminescent material light, wherein the light source comprises a light emitting diode (LED) and wherein the luminescent material comprises a phosphor comprising M2AX6 doped with tetravalent manganese, wherein M comprises monovalent cations, at least comprising potassium and rubidium, wherein A comprises a tetravalent cation, at least comprising silicon, wherein X comprises a monovalent anion, at least comprising fluorine, and wherein M2AX6 has the hexagonal phase.

Abstract: An electrical device having a housing and a lid which may be placed on the housing. A sealing element is situated in a depression of the housing, in particular the wall of the housing, which is disposed between the housing and the lid. The sealing element has a recess for the feed-through of a cable. The cable is inserted into a curved groove of the housing, especially the wall of the housing. The housing has a claw segment, which hooks and/or cuts into into the shielding of the cable.

Abstract: A system, especially an installation, having a vehicle which is maneuverable on a floor is described. The vehicle has an RFID reading device which is connected to an antenna SL, and when the antenna SL enters the coupling region of a floor-installed antenna connected to a stationary RFID transponder, especially an RFID tag, then data stored in the transponder are able to be read out by the reading device. One or more permanent magnet(s) is/are situated on the floor, in particular fixedly joined in the floor, and the vehicle includes a sensor for detecting the direction of the magnetic field.

Abstract: The invention provides a lighting device (100) comprising: —a first solid state light source (10), configured to provide UV radiation (11) having a wavelength selected from the range of 380-420 nm; —a second solid state light source (20), configured to provide blue light (21) having a wavelength selected from the range of 440-470 nm; —a wavelength converter element (200), wherein the wavelength converter element (200) comprises: —a first luminescent material (210), configured to provide upon excitation with the blue light (21) of the second solid state light source (20) first luminescent material light (211) having a wavelength selected from the green and yellow wavelength range, and wherein the first luminescent material excitability for UV radiation (11) is lower than for blue light (21); and —a second luminescent material (220), configured to provide upon excitation with the blue light (21) of the second solid state light source (20) second luminescent material light (221) having a wavelength selected from

Abstract: In a method according to embodiments of the invention, for a predetermined amount of light produced by a light emitting diode and converted by a phosphor layer comprising a host material and a dopant, and for a predetermined maximum reduction in efficiency of the phosphor at increasing excitation density, a maximum dopant concentration of the phosphor layer is selected.

Abstract: The invention provides a lighting device configured to provide red lighting device light, the lighting device comprising: (i) a first light source configured to provide first light source light having a peak wavelength (?ls); (ii) a first red luminescent material configured to absorb at least part of the first light source light and to convert into first red luminescent material light having a first red emission peak wavelength (?m1), the first red luminescent material having an excitation maximum (?x1); (iii) a second red luminescent material configured to absorb at least part of the first light source light and to convert into second red luminescent material light having a second red emission peak wavelength (?m2), the second red luminescent material having a second excitation maximum (?x2); and wherein the first luminescent material and the second luminescent material are Eu2+ based, and wherein ?m1<?m2, ?x1<?ls and ?x2>?ls.