Abstract: A surface light guide has a radiation exit area extending along a main extension plane of the surface light guide and is provided for laterally coupling radiation. The surface light guide includes scattering locations for scattering the coupled radiation. The surface light guide includes a first boundary surface and a second boundary surface which delimit the light conductance of the coupled-in radiation in the vertical direction. A first layer and a second layer are formed on each other in the vertical direction between the first boundary surface and the second boundary surface. Further disclosed are a planar emitter including at least one surface light guide.

Abstract: A light-emitting device includes at least one first light-emitting semiconductor component, which radiates red light during operation, at least one second light-emitting semiconductor component having a wavelength conversion element, and at least one third light-emitting semiconductor component having a wavelength conversion element. The second and third light-emitting semiconductor components each radiate blue primary light and converted secondary light and the respective superposition of the primary light and the secondary light of the second and third light-emitting semiconductor components has different chromaticity coordinates.

Abstract: A mixed light source has a first semiconductor component, which is provided for generating a first radiation fraction, and a second semiconductor component, which is provided for generating radiation of a second radiation fraction different from the first radiation fraction. The first semiconductor component is mounted by a first mounting point on a first heat sink with a first thermal resistance R1. The second semiconductor component is mounted by a second mounting point on a second heat sink with a second thermal resistance R2. The thermal resistances R1 and R2 are different from one another.

Abstract: A lighting device has a carrier with a mounting face. A number of light-emitting diodes include at least two of the light-emitting diodes suitable for emitting light of different colors during operation. At least one color sensor, during operation, detects the light of at least one of the light-emitting diodes. At least one light-measuring face is illuminated by light of at least one of the light-emitting diodes and reflects and/or scatters at least a portion of this light. The light-emitting diodes and the at least one color sensor are arranged on the mounting surface, the at least one light-measuring face is arranged at a distance from the carrier, and the at least one color sensor; detects for the most part light reflected by the at least one light-measuring face from at least one of the multiplicity of light-emitting diodes.

Abstract: An optoelectronic assembly includes a carrier, an optoelectronic component arranged on the carrier, wherein the optoelectronic component includes a substrate and a light-emitting layer arranged on the substrate, and a light-reflecting first encapsulation at least locally covers a region of the carrier surrounding the optoelectronic component and side surfaces of the optoelectronic component.

Abstract: A lighting device may include: a rod-shaped carrier body with at least one first and one second mounting side and a main direction of extent, first semiconductor light-emitting elements on first mounting faces of the first mounting side, and second semiconductor light-emitting elements on second mounting faces of the second mounting side, wherein the first and the second mounting sides face away from one another, wherein the mounting faces are formed by depressions in the mounting sides, which depressions are arranged so as to be spaced apart along the main direction of extent, and wherein the first semiconductor light-emitting elements are identical to one another and the second semiconductor light-emitting elements are identical to one another.

Abstract: A lighting module for emitting mixed light comprises at least one first semiconductor element which emits unconverted red light, at least one second semiconductor element which emits converted greenish white light having a first conversion percentage, at least one third semiconductor element which emits greenish white light having a second conversion percentage that is smaller than the first conversion percentage, and at least one resistor element having a temperature-dependent electric resistance, the second semiconductor element being connected in parallel to the third semiconductor element.

Abstract: An optical element has an optical body and a number of microstructures. The optical body takes the form of a half-shell and has an inner face and an outer face. The microstructures form the inner and/or outer face of the optical body at least in places and are light-scattering refractive structures. The invention further relates to a radiation-emitting device having at least one semiconductor component and one such optical element.

Abstract: An optoelectronic semiconductor device includes a first light source that emits green, white or white-green light and includes a semiconductor chip that emits in the blue spectral range, and a first conversion element attached directly to the semiconductor chip, a second light source that emits red light, having a semiconductor chip, that emits in a blue spectral range, and having a second conversion element attached directly to the semiconductor chip, and/or having a semiconductor chip that emits in a red spectral range, a third light source that emits blue light and has a semiconductor chip emitting in the blue spectral range, and a filler body having a matrix material into which a conversion agent is embedded, wherein the filler body is disposed downstream of the light sources collectively.

Abstract: A light-emitting device includes at least one first light-emitting semiconductor component, which radiates red light during operation, at least one second light-emitting semiconductor component having a wavelength conversion element, and at least one third light-emitting semiconductor component having a wavelength conversion element. The second and third light-emitting semiconductor components each radiate blue primary light and converted secondary light and the respective superposition of the primary light and the secondary light of the second and third light-emitting semiconductor components has different chromaticity coordinates.

Abstract: An optoelectronic semiconductor component, the includes at least two optoelectronic semiconductor chips , which are located on a common mounting surface. An optical element is arranged downstream of the semiconductor chips in a main emission direction and is spaced from the semiconductor chips. In a direction transverse to the main emission direction the optical element has a transmission gradient in a transitional region. The transitional region does not overlap the semiconductor chips, when viewed in plan view onto the mounting surface.

Abstract: A light-emitting diode module has a first component and a second component, wherein the module exhibits a first operating mode and a second operating mode. The first component exhibits a first luminous flux. The second component exhibits a second luminous flux. In the first operating mode, the ratio of the first and second luminous fluxes is set such that the module emits mixed radiation with a color rendering index of 80 to 97. In the second operating mode, the ratio of the first and second luminous fluxes is set such that the module emits mixed radiation with a color rendering index of 55 to 70.

Abstract: A surface light guide includes a radiation exit area running along a main extension plane of the surface light guide and includes a light guiding region, which has scattering locations and a coating arranged on a first main area of the light guiding region, wherein radiation coupled in along the main extension plane impinging on the first main area after scattering at the scattering locations has an excessively increased radiation component and the coating reduces in a targeted manner an exit of the excessively increased radiation component from the radiation exit area.

Abstract: An illumination device, comprising a basic body (1) having a cutout (5), a reflector (51), which is formed at least by parts of the cutout (5), and at least one optoelectronic semiconductor component (20) arranged in the cutout (5), wherein the semiconductor component (20) has an optical element (3) designed for directing at least part of the electromagnetic radiation emitted by the semiconductor component (20) during operation onto the reflector (51), wherein a radiation exit area (61) of the illumination device is at least twice as large as the sum of the radiation exit areas (44) of the semiconductor components.

Abstract: A semiconductor component includes at least one optoelectronic semiconductor chip and a connecting carrier having a connecting surface on which the semiconductor chip is disposed. A reflective coating and a limiting structure are formed on the connecting carrier. The limiting structure at least partially encloses the semiconductor chip in the lateral direction, and the reflective coating at least partially extends in the lateral direction between a side surface of the semiconductor chip and the limiting structure.

Abstract: A surface light guide has a radiation exit area extending along a main extension plane of the surface light guide and is provided for laterally coupling radiation. The surface light guide includes scattering locations for scattering the coupled radiation. The surface light guide includes a first boundary surface and a second boundary surface which delimit the light conductance of the coupled-in radiation in the vertical direction. A first layer and a second layer are formed on each other in the vertical direction between the first boundary surface and the second boundary surface. Further disclosed are a planar emitter including at least one surface light guide.

Abstract: The invention relates to a surface light source with a lighting surface that includes at least one semiconductor body that emits electromagnetic radiation from its front side during operation. Decoupling structures are suitable for producing a local variation of the light density on the lighting surface, so that the light density is increased in at least one illumination area with respect to a background area.

Abstract: A lighting device comprising a first light source for emitting electromagnetic radiation having a first electromagnetic spectrum and a second light source for emitting electromagnetic radiation having a second electromagnetic spectrum, wherein the first and the second electromagnetic spectrum are different from each other, wherein an intensity maximum of the first electromagnetic spectrum lie within the range of the spectral sensitivity of the human eye, and wherein an intensity maximum of the second electromagnetic spectrum lies within the range of the spectral sensitivity of the visual organs of nocturnal insects.

Abstract: An illumination device, comprising a basic body (1) having a cutout (5), a reflector (51), which is formed at least by parts of the cutout (5), and at least one optoelectronic semiconductor component (20) arranged in the cutout (5), wherein the semiconductor component (20) has an optical element (3) designed for directing at least part of the electromagnetic radiation emitted by the semiconductor component (20) during operation onto the reflector (51), wherein a radiation exit area (61) of the illumination device is at least twice as large as the sum of the radiation exit areas (44) of the semiconductor components.

Abstract: A lantern is disclosed that includes a lamp post (2) and at least two light emitting diodes (4) that are set up to emit, in operation, electromagnetic radiations (12) with electromagnetic spectra (17, 19) differing from one another, the light emitting diodes (4) being fastened in or on the lamp post (2).