Abstract: A lighting device may include at least one light source arrangement for generating primary light; at least one light wavelength conversion element for converting primary light into secondary light; and a filter apparatus disposed optically downstream of the at least one light wavelength conversion element and serving for filtering out primary light. The at least one light source arrangement and the at least one light wavelength conversion element are embodied or correspondingly embodied light directing means are provided in such a way that part of the primary light generated by the at least one light source arrangement impinges on the at least one light wavelength conversion element and part of the primary light generated by the at least one light source arrangement is directed past the at least one light wavelength 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 method for producing an electronic circuit device includes a step of providing a substrate and a step of processing a III-V-connection semiconductor circuit on a substrate top side of the substrate. The III-V-connection semiconductor circuit has at least one III-V-connection semiconductor component, a second III-V-connection semiconductor component, and an electrical conductor, which electrically conductively connects the first III-V connection semiconductor component and the second III-V connection semiconductor component. In an arranging step, a metal layer or a metallized interconnect device is arranged on a rear side of the substrate, opposite the substrate top side, as an electrical contact surface for refeeding a current for a power electronic circuit.

Abstract: A method for manufacturing a transistor having high electron mobility, encompassing a substrate having a heterostructure, in particular an AlGaN/GaN heterostructure, having the steps of: generation of a gate electrode by patterning a semiconductor layer that is applied onto the heterostructure, the semiconductor layer encompassing, in particular, polysilicon; application of a passivating layer onto the semiconductor layer; formation of drain regions and source regions by generation of first vertical openings that extend at least into the heterostructure; generation of ohmic contacts in the drain regions and in the source regions by partly filling the first vertical openings with a first metal at least to the height of the passivating layer; and application of a second metal layer onto the ohmic contacts, the second metal layer projecting beyond the passivating layer.

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: In various embodiments, an illumination system is provided. The illumination system may include at least two light guides, which each have an input coupling surface and an output coupling surface, and at least one radiation source having a radiation surface that faces the corresponding input coupling surface provided for a respective light guide. A distance between the input coupling surface of one of the light guides and the radiation surface of the at least one assigned radiation source and the distance between the input coupling surface of a further light guide and the radiation source of the at least one assigned radiation source differ.

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 for manufacturing a transistor having high electron mobility, encompassing a substrate having a heterostructure, in particular an AlGaN/GaN heterostructure, having the steps of: generation of a gate electrode by patterning a semiconductor layer that is applied onto the heterostructure, the semiconductor layer encompassing, in particular, polysilicon; application of a passivating layer onto the semiconductor layer; formation of drain regions and source regions by generation of first vertical openings that extend at least into the heterostructure; generation of ohmic contacts in the drain regions and in the source regions by partly filling the first vertical openings with a first metal at least to the height of the passivating layer; and application of a second metal layer onto the ohmic contacts, the second metal layer projecting beyond the passivating layer.

Abstract: An illumination device includes multiple semiconductor primary light sources for emitting respective primary light beams, at least one movable mirror, which can be illuminated by means of the primary light beams, and which can assume at least two angle positions, and a luminophore element, which can be illuminated by means of primary light beams deflected by the at least one mirror. Light spots of the individual primary light beams are locally differentiable on the at least one luminophore element, an overall light spot composed of the light spots of the individual primary light beams is locally differentiable on the at least one luminophore element depending on the angle position of the at least one movable mirror, and at least one beam property of at least one primary light beam incident on the at least one luminophore element is variable during operation of the illumination device.

Abstract: According to the present disclosure, an illumination device is provided with a plurality of semiconductor primary light sources for emitting respective primary light beams, a beam deflection unit, which is illuminatable by the primary light beams and which can assume at least two beam deflection positions, and a luminophore body, which is illuminatable by primary light beams deflected by the beam deflection unit. Luminous spots of the individual primary light beams are spatially distinguishable on the at least one luminophore body, a total luminous spot composed of the luminous spots of the individual primary light beams is spatially distinguishable on the at least one luminophore body depending on the beam deflection position of the beam deflection unit, and at least one primary light beam incident on the at least one luminophore body is selectively switchable on and off during operation of the illumination device.

Abstract: Various embodiments may relate to a lighting apparatus for a headlight for generating a light emission pattern in a far field, including at least one light source for emitting primary light onto an illumination surface, at least two different phosphor surfaces which are introducible into the illumination surface, at least partly alternately by at least one translational movement, and a control device for positioning the phosphor surfaces in relation to the illumination surface. A respectively associated light emission pattern is generatable in a predetermined position of the phosphor surfaces. The control device is configured, for the purpose of setting a specific light emission pattern, to move at least one phosphor surface provided for this purpose into the illumination surface by at least one translational movement.

Abstract: A lighting device may include a light generating unit configured to generate at least two light beams; at least one phosphor surface which is illuminatable by the light beams; and at least one movable deflection mirror for the scanning deflection of the light beams onto the phosphor surface, such that the light beams impinge on the at least one phosphor surface in a spaced-apart fashion, and such that at least one region of the phosphor surface is illuminatable by at least two light beams in a manner spaced apart temporally.

Abstract: A lighting system includes a first luminous component, with the emittable light of which a first illumination region is formable, and including a second luminous component, with the emittable light of which a second illumination region is formable. The first luminous component is configured in such a way that its light is dimmable and/or switchable on and off in a partial region of the first illumination region. The second luminous component is configured in such a way that its light is at least one of dimmable or switchable on and off in a partial region of the second illumination region, said partial region being formed such that it is at least larger than the minimum size, or the second luminous component is configured in such a way that its light is at least one of dimmable only in its entirety or is switchable on and off only in its entirety.

Abstract: A method for generating a light emission pattern by illuminating at least one phosphor surface by at least one primary light beam is provided. The method includes: directing the primary light beam only onto a partial surface of the entire illuminatable phosphor surface; and illuminating at least one partial region of said partial surface more intensely than in the case of uniform illumination of the illuminatable phosphor surface.

Abstract: In various embodiments, an optical element is provided. The optical element includes an imaging region with a lens arrangement which is aligned along an optical axis, and a collimation region which surrounds the imaging region to the side of the optical axis.

Abstract: In various embodiments, a light-emitting arrangement is provided. The light-emitting arrangement includes a radiation source, into the beam path of which a micromirror device is arranged via which radiation emitted by the radiation source may be directed at least into a first and a second direction, at least one further radiation source configured to emit radiation toward the micromirror device. The radiation from the further radiation source may be directed, via the micromirror device at least into a first and a second direction. The micromirror device is movable about at least one axis into at least two positions.

Abstract: In various embodiments, a lighting apparatus is provided. The lighting apparatus includes at least one laser light source, and at least one light wavelength conversion element for the wavelength conversion of laser light from the at least one laser light source. The lighting apparatus has a structure configured to homogenize the light color of the light emitted by the lighting apparatus.

Abstract: A method for operating a lighting device comprising n>1 light generating units configured to generate a respective primary light beam and comprising a phosphor surface spaced apart from the light generating units is provided. The method may include illuminating an i-th partial surface of the phosphor surface by i light generating units if a desired positive brightness value on this illuminated partial surface falls below or reaches a next higher i-th brightness threshold value from a group of n?1 positive, progressively increasing brightness threshold values; otherwise illuminating by n light generating units; wherein i and n are whole natural numbers and i=[1, . . . , n] holds true.

Abstract: A lighting device is disclosed with an electromagnetic radiation source for irradiating a conversion element arranged in the lighting device with an excitation radiation. The conversion element has a first element side and a second element side. The first element side delimits a first radiation space and the second element side delimits a second radiation space. At least one optical unit at least for part of the radiation emanating from the first element side is arranged in the first radiation space and at least one optical unit at least for part of the radiation emanating from the second element side is arranged in the second radiation space.

Abstract: An illumination apparatus is provided. The illumination apparatus includes a light-emitting device including one or more light sources, a mirror device including at least one pivotable mirror for directing light from the one or more light sources in a defined first pivot state into a first solid angle region in which the light is utilized in accordance with operation, and a defined second pivot state into a second solid angle range that differs from the first one and in which the light is directed onto an absorber device of the illumination apparatus. The absorber device includes a sensor with which a function of the illumination apparatus may be checked.