Abstract: An optoelectronic component is specified, comprising at least one segment, wherein each segment comprises a radiation-emitting semiconductor chip configured to emit electromagnetic radiation into a region, and each segment is assigned a radiation-detecting semiconductor chip configured to detect electromagnetic radiation from the region. Furthermore, a method for controlling at least one segment of the optoelectronic component and a method for determining an arrangement of at least two optoelectronic components are specified.

Abstract: A radiation-emitting optoelectronic component may include a semiconductor chip or a semiconductor laser which, in operation of the component, emits a primary radiation in the UV region or in the blue region of the electromagnetic spectrum. The optoelectronic component may further include a conversion element comprising a first phosphor configured to convert the primary radiation at least partly to a first secondary radiation having a peak wavelength in the green region of the electromagnetic spectrum between 475 nm and 500 nm inclusive. The first phosphor may be or include BaSi4Al3N9, SrSiAl2O3N2, BaSi2N2O2, ALi3XO4, M*(1?x*?y*?z*) Z*z*[A*a*B*b*C*c*D*d*E*e*N4-n*On*], and combinations thereof.

Abstract: A lighting device and a lighting system are disclosed. In an embodiment, a lighting device includes at least one optoelectronic semiconductor chip, two contacts configured to couple the lighting device to a DC voltage and a driver circuit interconnected in series with the at least one semiconductor chip in a string, wherein the driver circuit comprises a monolithic, unhoused controller, wherein the driver circuit is configured to adjust a current for operating the at least one semiconductor chip, and wherein the string extends between the two contacts in an electrically coupling way.

Abstract: Optoelectronic radiation device, in particular for generating and emitting health-promoting and regenerative radiation, comprising: at least one or more optoelectronic radiation sources configured to generate infrared radiation, and at least one optoelectronic radiation source for generating white light, wherein the infrared radiation is in an infrared spectral range between 600 nm and 900 nm.

Abstract: A radiation-emitting optoelectronic component may include a semiconductor chip or a semiconductor laser which, in operation of the component, emits a primary radiation in the UV region or in the blue region of the electromagnetic spectrum. The optoelectronic component may further include a conversion element comprising a first phosphor configured to convert the primary radiation at least partly to a first secondary radiation having a peak wavelength in the green region of the electromagnetic spectrum between 475 nm and 500 nm inclusive. The first phosphor may be or include BaSi4Al3N9, SrSiAl2O3N2, BaSi2N2O2, ALi3XO4, M*(1-x*-y*-z*)Z*z*[A*a*B*b*C*c*D*d*E*e*N4-n*On*], and combinations thereof.

Abstract: A lighting device and a lighting system are disclosed. In an embodiment, a lighting device includes at least one optoelectronic semiconductor chip, two contacts configured to couple the lighting device to a DC voltage and a driver circuit interconnected in series with the at least one semiconductor chip in a string, wherein the driver circuit comprises a monolithic, unhoused controller, wherein the driver circuit is configured to adjust a current for operating the at least one semiconductor chip, and wherein the string extends between the two contacts in an electrically coupling way.

Abstract: A method of arranging a multiplicity of LEDs in packaging units includes defining a desired range for at least one photometric measurement variable for each of the packaging units; selecting an LED from the multiplicity of LEDs not yet arranged in one of the packaging units; measuring the at least one photometric measurement variable for the selected LED; equipping one of the packaging units containing fewer than N?1 LEDs with the selected LED; storing a measured value and a position of the selected LED in the packaging unit in a memory; repeating until the packaging units are equipped with N?1 LEDs; repeating and calculating the average value of the photometric measurement variable, equipping a packaging unit for which the calculated average value of the variable lies in a defined range with the selected LED; and storing the measured value and the position of the selected LED.

Abstract: A method of arranging a multiplicity of LEDs in packaging units includes defining a desired range for at least one photometric measurement variable for each of the packaging units; selecting an LED from the multiplicity of LEDs not yet arranged in one of the packaging units; measuring the at least one photometric measurement variable for the selected LED; equipping one of the packaging units containing fewer than N?1 LEDs with the selected LED; storing a measured value and a position of the selected LED in the packaging unit in a memory; repeating until the packaging units are equipped with N?1 LEDs; repeating and calculating the average value of the photometric measurement variable, equipping a packaging unit for which the calculated average value of the variable lies in a defined range with the selected LED; and storing the measured value and the position of the selected LED.

Abstract: The invention relates to a light-emitting semiconductor component, having: a light-emitting semiconductor chip (1) with an active region (11) which, in operation, emits light (31) having a first spectrum; a wavelength conversion element (2) which is positioned remote from the semiconductor chip (1), is downstream of the semiconductor chip (1) in the beam path of the light (31) having the first spectrum and converts the light (31) having the first spectrum at least partially into light (32) having a second spectrum; and a filter layer (3), which reflects at least a part (34) of a light (33) incident on the semiconductor component from the outside. The part (34) of the light (33) incident on the semiconductor component from the outside that is reflected by the filter layer (3) has a visible wavelength range and overlaps a color impression produced by the wavelength conversion element when the semiconductor component is in a switched-off state.

Abstract: A method of combining LEDs in a packaging unit includes determining a color locus of a multiplicity of LEDs, classifying the LEDs into a plurality of different color locus ranges, each LED classified into a color locus range including the determined color locus of the respective LED, and arranging the LEDs in the packaging unit such that the packaging unit contains a plurality of successive sequences respectively of a plurality of LEDs, wherein each sequence respectively has exactly one LED from each of the color locus ranges, and the LEDs of the different color locus ranges are respectively arranged in the same order within the sequences, wherein the LEDs are arranged in the packaging unit such that they are removable from the packaging unit.

Abstract: A method of combining LEDs in a packaging unit includes determining a color locus of a multiplicity of LEDs, classifying the LEDs into a plurality of different color locus ranges, each LED classified into a color locus range comprising the determined color locus of the respective LED, arranging the LEDs in the packaging unit such that the packaging unit contains a plurality of successive sequences respectively of a plurality of LEDs, wherein each sequence respectively has exactly one LED from each of the color locus ranges, and the LEDs of the different color locus ranges are respectively arranged in the same order within the sequences.

Abstract: The invention relates to a light-emitting semiconductor component, having: - a light-emitting semiconductor chip (1) with an active region (11) which, in operation, emits light (31) having a first spectrum; - a wavelength conversion element (2) which is positioned remote from the semiconductor chip (1), is downstream of the semiconductor chip (1) in the beam path of the light (31) having the first spectrum and converts the light (31) having the first spectrum at least partially into light (32) having a second spectrum; and - a filter layer (3), which reflects at least a part (34) of a light (33) incident on the semiconductor component from the outside. The part (34) of the light (33) incident on the semiconductor component from the outside that is reflected by the filter layer (3) has a visible wavelength range and overlaps a colour impression produced by the wavelength conversion element when the semiconductor component is in a switched-off state.

Abstract: A method of arranging a multiplicity of LEDs in packaging units includes defining a desired range for at least one photometric measurement variable for each of the packaging units; selecting an LED from the multiplicity of LEDs not yet arranged in one of the packaging units; measuring the at least one photometric measurement variable for the selected LED; equipping one of the packaging units containing fewer than N?1 LEDs with the selected LED; storing a measured value and a position of the selected LED in the packaging unit in a memory; repeating until the packaging units are equipped with N?1 LEDs; repeating and calculating the average value of the photometric measurement variable, equipping a packaging unit for which the calculated average value of the variable lies in a defined range with the selected LED; and storing the measured value and the position of the selected LED.

Abstract: An LED projector includes a plurality of light sources; and an image generator which includes an arrangement of pixels, each pixel including at least one light source; wherein the LEDs are stacked epi-LEDs which include layers arranged above one another for different colors, or each pixel includes an emission surface and at least two LEDs are arranged adjacent one another in the emission surface.

Abstract: An optical lighting device includes a radiation detector, a first light source and a second light source. The radiation detector includes a semiconductor chip and an optical filter, and has a spectral sensitivity distribution. The first light source generates white radiation. The second light source generates monochrome radiation in the visible spectral range, wherein radiation emitted by the first light source and radiation emitted by the second light source are superimposed to yield mixed radiation which includes a wavelength spectrum. The wavelength spectrum of the mixed radiation is adapted to the spectral sensitivity distribution of the radiation detector.

Abstract: A multicolour LED, in which layers for generating light of different colors are arranged one above the other, is used as the light source in a projector.

Abstract: A method of combining LEDs in a packaging unit includes determining a color locus of a multiplicity of LEDs, classifying the LEDs into a plurality of different color locus ranges, each LED classified into a color locus range comprising the determined color locus of the respective LED, arranging the LEDs in the packaging unit such that the packaging unit contains a plurality of successive sequences respectively of a plurality of LEDs, wherein each sequence respectively has exactly one LED from each of the color locus ranges, and the LEDs of the different color locus ranges are respectively arranged in the same order within the sequences.

Abstract: An optical lighting device includes a radiation detector, a first light source and a second light source. The radiation detector includes a semiconductor chip and an optical filter, and has a spectral sensitivity distribution. The first light source generates white radiation. The second light source generates monochrome radiation in the visible spectral range, wherein radiation emitted by the first light source and radiation emitted by the second light source are superimposed to yield mixed radiation which includes a wavelength spectrum. The wavelength spectrum of the mixed radiation is adapted to the spectral sensitivity distribution of the radiation detector.

Abstract: An optoelectronic component with a desired color impression in the switched-off state includes, in particular, a semiconductor layer sequence with an active region, that during operation radiates electromagnetic radiation with a first spectrum, and a wavelength conversion layer that is disposed downstream from the semiconductor layer sequence in the beam path of the electromagnetic radiation with the first spectrum, and that at least partially converts a subspectrum of the electromagnetic radiation with the first spectrum into electromagnetic radiation with a second spectrum, and a filter layer that reflects at least a part of the radiation incident from outside onto the optoelectronic component.

Abstract: An array of light-emitting diodes in LED chips, which can be turned on and off individually or in groups by means of a circuit, is provided with a device for homogenizing a light beam emitted by the turned-on LED chips. This device can be a conversion plate, a potting compound comprising a converter material or scattering particles, or a device for beam shaping comprising a plurality of micro-optics. The light source is particularly suited for headlights, for example in AFS applications.