Abstract: A video wall module includes a plurality of light emitting diode chips, each including first contact electrodes and second contact electrodes arranged at a contact side, wherein the light emitting diode chips are arranged at a top side of a multilayer circuit board, and the contact electrodes electrically conductively connect to a first metallization layer arranged at the top side of the circuit board.

Abstract: The invention relates to a red-emitting luminescent material of the formula AE16?xCexSi17?zAlzN32+y?zO2?y+z wherein AE=Mg, Ca, Sr and/or Ba, 0<x?2, 0?y<5, 0?z?3 and y+z<2.

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: 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 semiconductor laser and a method for producing such a semiconductor laser are disclosed. In an embodiment a semiconductor laser has at least one surface-emitting semiconductor laser chip including a semiconductor layer sequence having at least one active zone configured to generate laser radiation and a light exit surface oriented perpendicular to a growth direction of the semiconductor layer sequence. The laser further includes a diffractive optical element configured to expand and distribute the laser radiation, wherein an optically active structure of the diffractive optical element is made of a material having a refractive index of at least 1.65 regarding a wavelength of maximum intensity of the laser radiation; and a connector engaging at least in places into the optically active structure and completely filling the optically active structure at least in places.

Abstract: According to the present disclosure, a converter device is provided. The device includes a phosphor element for converting a pump radiation into a conversion radiation and an excitation coil for producing an alternating magnetic field in which the phosphor element is arranged. The phosphor element has a conductor loop forming a coupling coil that is inductively coupled to the excitation coil such that the coupling coil and hence the phosphor element can be monitored by way of the inductive coupling.

Abstract: An optoelectronic component includes an optoelectronic semiconductor chip including a first potting body; and a second potting body, wherein the first potting body covers all lateral side surfaces and a top surface of the semiconductor chip, the first potting body has a bottom surface flush with a connection surface of the semiconductor chip, the second potting body has a bottom surface flush with the bottom surface of the first potting body, the second potting body completely covers all side surfaces of the first potting body facing away from the semiconductor chip, a top surface of the second potting body on the opposite of the connection surface is convexly curved, and the optoelectronic semiconductor chip has exclusively on its connection surface exposed electrical contact surfaces via which the semiconductor chip is electrically connectable and operable.

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 laser bar includes a semiconductor layer including a plurality of layers and includes an active zone, wherein the active zone is arranged in an x-y-plane, laser diodes each form a mode space in an x-direction between two end faces, the mode spaces of the laser diodes are arranged alongside one another in a y-direction, a trench is provided in the semiconductor layer between two mode spaces, the trenches extend in the x-direction, and the trenches extend from a top side of the semiconductor layer in a z-direction to a predefined depth in the direction of the active zone.

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 method of producing an optoelectronic component includes providing a carrier having an upper side; providing a mat configured as a fiber-matrix semifinished product and having a through-opening; arranging an optoelectronic semiconductor chip over the upper side of the carrier; arranging the mat over the upper side of the carrier such that the optoelectronic semiconductor chip is arranged in the opening of the mat; and compacting the mat to form a composite body including the mat and the optoelectronic semiconductor chip.

Abstract: An optoelectronic semiconductor chip includes a semiconductor body including a first semiconductor region, a second semiconductor region and an active zone disposed between the first and second semiconductor regions, an electrically conductive contact layer arranged on a side of the first semiconductor region facing away from the second semiconductor region, and an electrically conductive mirror layer arranged between the first semiconductor region and the electrically conductive contact layer, and laterally protruding at the edge by the first semiconductor region and the electrically conductive contact layer so that between the first semiconductor region and the electrically conductive contact layer there is an interspace in which a protective layer is arranged for protecting the mirror layer, wherein the electrically conductive contact layer extends laterally to an edge of the first semiconductor region, and the electrically conductive contact layer consists of Ni.

Abstract: A driver circuit for at least one light-emitting optoelectronic component includes a control circuit having a capacitor and a control switch, wherein the control switch electrically connects to the component such that the component is supplied with current by the capacitor as a function of a switching state of the control switch, and a charging circuit having at least a first charging switch, a bias resistor and a buffer capacitor, wherein the charging circuit electrically connects to the capacitor and is configured to charge the capacitor through the bias resistor, and the buffer capacitor is linked to a connecting line between the bias resistor and the capacitor.

Abstract: An optoelectronic component includes an optoelectronic semiconductor chip that emits electromagnetic radiation, arranged in a housing, wherein the housing has an outer wall face and an exit face transparent to the electromagnetic radiation, the exit face is set back relative to the outer wall face in a direction of an interior of the housing, the optoelectronic semiconductor chip is arranged such that radiation emitted by the optoelectronic semiconductor chip in an emission direction can emerge from the optoelectronic component through the exit face, and the outer wall face has separating marks and the exit face is free of separating marks.

Abstract: A lighting device for a mobile terminal is disclosed. In an embodiment the lighting device includes a light-emitting component comprising a light-emitting semiconductor element and a first light emission face and a second light emission face, the light-emitting component configured to emit light radiation, a first optical waveguide for guiding the light radiation via the first light emission face to a first radiation element, a second optical waveguide for guiding the light radiation via the second light emission face to a second radiation element and at least one optical switch arranged in a region of the first light emission face or the second light emission face for controlling a quantity of light emitted from the light-emitting component via the respective light emission face.

Abstract: A radiation-emitting semiconductor component is disclosed. In an embodiment, a component includes a semiconductor layer sequence and a carrier on which the semiconductor layer sequence is arranged, wherein the semiconductor layer sequence comprises an active region configured for generating radiation, an n-conducting mirror region and a p-conducting mirror region, wherein the active region is arranged between the n-conducting mirror region and the p-conducting mirror region, and wherein the p-conducting mirror region is arranged closer to the carrier than the active region.

Abstract: A method for manufacturing an optoelectronic semiconductor device and an optoelectronic semiconductor device are disclosed. In an embodiment a method includes applying a photostructurable first photo layer on the radiation side of a semiconductor layer sequence, photostructuring the first photo layer, wherein holes are formed in the first photo layer in regions of first illumination areas, applying a first converter material to the structured first photo layer, wherein the first converter material partially or completely fills the holes, thereby forming first converter elements in the holes, the first converter elements covering the associated first illumination areas, removing the first photo layer; and applying a second converter material to the radiation side at least in regions of second illumination areas, the second illumination areas being different from the first illumination areas.

Abstract: A pixel light source includes having a light source array, an optical system and an imager matrix arrangement, wherein the optical system maps light radiated by the light source array onto the imager matrix arrangement, the light source array includes a plurality of light emitting diode elements and a plurality of LARP elements, and the optical system is configured to map the light radiated by at least one of the LARP elements into a gap in the angular aperture situated between the light radiated by the light emitting diode elements.

Abstract: A lighting device includes a plurality of semiconductor light sources, the semiconductor light sources being configured to generate different light radiations; and an optical element arranged downstream of the semiconductor light sources, the optical element including on a side facing away from the semiconductor light sources a structure constituted of truncated pyramids.