Abstract: A method for producing an optoelectronic component is described with the steps of providing monomeric structural units, providing nanoparticles in a liquid medium, mixing the monomeric structural units and the nanoparticles in the liquid medium so that a starting sol is formed, introducing an acid into the starting sol to adjust a pH value, at least partial condensation of the monomeric structural units to form a network, wherein the nanoparticles are at least partially covalently bonded to the network, so that a sol-gel material is formed, applying the sol-gel material to a semiconductor chip, curing the sol-gel material to form a coating material. Furthermore, an optoelectronic component is specified.

Abstract: A microfluidic assembly includes a microfluidic chip having first and second inlet/outlet ports, and a fluid pathway between the first and second inlet/outlet ports. A manifold supports the microfluidic chip. A fluid delivery assembly is coupled to the microfluidic chip by the manifold for delivering fluid to/from the microfluidic chip. The fluid delivery assembly includes a fluid lumen and a seal, and is movable between a closed configuration in which the seal is advanced to prevent fluid communication between the fluid lumen and the first inlet/outlet port, and an open configuration in which the seal is retracted to allow fluid communication between the fluid lumen and the first inlet/outlet port. A pump forces fluid flow between the fluid lumen and the first inlet/outlet port when the fluid delivery assembly is in the open configuration.

Abstract: A system and method are provided for determining a pressure associated with a lumen of a body. A wireless sensor is positioned in the lumen of the body. The sensor comprises an LC resonant circuit having a resonant frequency configured to vary in response to changes in pressure in the lumen. One or more sensor calibration parameters are stored at an external base unit. The external based unit generates and transmits an energizing signal. A ring down response is received from the wireless sensor. The system and method determine the resonant frequency of the LC resonant circuit from the ring down response and calculate the pressure in the lumen from the resonant frequency of the LC resonant circuit utilizing the one or more sensor calibration parameters associated with the LC resonant circuit.

Abstract: An arrangement is disclosed. The arrangement comprises at least one semiconductor structure configured to convert a primary radiation into a secondary radiation; an encapsulation layer covering the at least one semiconductor structure; and at least one reflective layer arranged on the encapsulation layer. The semiconductor structure is arranged in a center of the arrangement, and a lateral extent of the arrangement is chosen such that an optically resonant condition is fulfilled for a wavelength of the secondary radiation in the encapsulation layer. Methods for producing an arrangement and an optoelectronic device are also disclosed.

Abstract: A system and method are provided for determining a pressure associated with a lumen of a body. A wireless sensor is positioned in the lumen of the body. The sensor comprises an LC resonant circuit having a resonant frequency configured to vary in response to changes in pressure in the lumen. One or more sensor calibration parameters are stored at an external base unit. The external based unit generates and transmits an energizing signal. A ring down response is received from the wireless sensor. The system and method determine the resonant frequency of the LC resonant circuit from the ring down response and calculate the pressure in the lumen from the resonant frequency of the LC resonant circuit utilizing the one or more sensor calibration parameters associated with the LC resonant circuit.

Abstract: A light emitting semiconductor chip comprising the following features is provided: a chip region comprising an epitaxial semiconductor layer stack with an active zone configured to generate electromagnetic radiation of a first wavelength range during operation, a wavelength conversion element converting the electromagnetic radiation of the first wavelength range in electromagnetic radiation of a second wavelength range, wherein the wavelength conversion element is arranged on or over a main surface of the chip region, and the wavelength conversion element covers only a part of the main surface of the chip region, while a further part of the main surface of the chip region is free of the wavelength conversion element. Further, a method for manufacturing a plurality of light emitting semiconductor chip is provided.

Abstract: An implantable wireless sensor is provided for determining a pressure of a lumen in a body. The sensor comprises a sensor body comprising a plurality of substrates, at least a portion of the substrates comprising a first dielectric material. An LC resonant circuit is contained with the sensor body. A capacitance of the LC resonant circuit is configured to vary in response to changes in pressure in the lumen. A first anchoring element is coupled to a proximal end of the sensor body and a second anchoring element is coupled to a distal end of the sensor body. The first and second anchoring elements are configured to lodge the sensor body within the lumen. A second dielectric material, different than the first dielectric material, is provided over at least a portion of at least one of the plurality of substrates.

Abstract: A light emitting device is disclosed. In an embodiment a light-emitting device includes a pixel comprising at least three sub-pixels, wherein the at least three sub-pixel include a first sub-pixel including a first conversion element, wherein the first conversion element includes a green phosphor, a second sub-pixel including a second conversion element, wherein the second conversion element includes a red phosphor and a third sub-pixel free of a conversion element, wherein the third sub-pixel is configured to emit blue primary radiation, wherein each sub-pixels has an edge length of at most 100 ?m, and wherein the pixel is a linear chain of sub-pixels and a plurality of pixels is arranged in a two dimensional ordered pattern so that a first sub-pixel is never adjacent to a third sub-pixel in a vertical direction and in a horizontal direction of the ordered pattern.

Abstract: In an embodiment a method for producing a structured wavelength conversion layer includes providing a first wavelength conversion layer with wavelength converting properties such that electromagnetic radiation of a first wavelength range is converted into electromagnetic radiation of a second wavelength range, structuring of the first wavelength conversion layer into first regions and second regions, wherein the wavelength converting properties of the first wavelength conversion layer are impaired or removed in the first regions after structuring.

Abstract: An optoelectronic component may include a radiation-emitting semiconductor chip configured to emit electromagnetic radiation and a phosphor mixture. The excitation spectrum may have a peak wavelength ranging from 435 nm to 460 nm. The phosphor mixture may have three phosphors configured to emit electromagnetic radiation in different spectral ranges.

Abstract: A component may include a semiconductor body and a converter layer. The converter layer may have phosphor particles and an electrically conductive matrix material where the phosphor particles are embedded in the matrix material. The converter layer may be arranged on the semiconductor body and may have a plurality of sublayers that are spatially set apart from one another and can be electrically contacted individually. The semiconductor body may have an active zone for producing electromagnetic radiation where the sublayers of the converter layer are designed for local electrical contacting of the active zone.

Abstract: Embodiments of a compact portable nuclear magnetic resonance (NMR) device are described which generally include a housing that provides a magnetic shield; an axisymmetric permanent magnet assembly in the housing and having a bore, a plurality of magnetic elements that together provide a well confined axisymmetric magnetization for generating a near-homogenous magnetic dipole field B0 directed along a longitudinal axis and providing a sample cavity for receiving a sample, and high magnetic permeability soft steel poles to improve field uniformity: a shimming assembly with coils disposed at the longitudinal axis for spatially correcting the near homogenous magnetic field B0; and a spectrometer having a control unit for measuring a metabolite in the sample by applying magnetic stimulus pulses to the sample, measuring free induction delay signals generated by an ensemble of hydrogen protons within the sample; and suppressing a water signal by using a dephasing gradient with frequency selective suppression.

Abstract: An optoelectronic component is disclosed. In an embodiment an optoelectronic component includes a semiconductor chip configured to emit radiation and a conversion element including quantum dots, the conversion element configured to convert a wavelength of the radiation, wherein each quantum dot includes a wavelength-converting core and an inorganic encapsulation, wherein inorganic encapsulations form a matrix material of at least adjacent quantum dots, and wherein the adjacent quantum dots have a distance of at least 10 nm.

Abstract: Embodiments of a compact portable nuclear magnetic resonance (NMR) device are described which generally include a housing that provides a magnetic shield; an axisymmetric permanent magnet assembly in the housing and having a bore, a plurality of magnetic elements that together provide a well confined axisymmetric magnetization for generating a near-homogenous magnetic dipole field B0 directed along a longitudinal axis and providing a sample cavity for receiving a sample, and high magnetic permeability soft steel poles to improve field uniformity: a shimming assembly with coils disposed at the longitudinal axis for spatially correcting the near homogenous magnetic field B0; and a spectrometer having a control unit for measuring a metabolite in the sample by applying magnetic stimulus pulses to the sample, measuring free induction delay signals generated by an ensemble of hydrogen protons within the sample; and suppressing a water signal by using a dephasing gradient with frequency selective suppression.

Abstract: A quantum dot structure, a radiation conversion element and a light emitting device are disclosed. In an embodiment a quantum dot structure includes an active region configured to emit radiation, a barrier region surrounding the active region and a trap region spaced apart from the active region, wherein a band edge of the trap region forms a trap configuration with respect to the barrier region for at least one type of charge carrier.

Abstract: A phosphor combination may include a first phosphor and a second phosphor. The second phosphor may be a red-emitting quantum dot phosphor. The phosphor combination may optionally include a third phosphor that is a red-emitting phosphor with the formula (MB) (TA)3-2x(TC)1+2xO4-4xN4x:E. A conversion element may include the phosphor combination. An optoelectronic device may include the phosphor combination and a radiation-emitting semiconductor chip.

Abstract: An optoelectronic semiconductor chip may include an active region configured to emit electromagnetic radiation during operation of said optoelectronic semiconductor chip. The optoelectronic semiconductor chip comprises conversion elements arranged to convert the wavelength of the electromagnetic radiation emitted by the active region during operation, and at least one barrier at least partially impermeable to the electromagnetic radiation emitted by the active region. The barrier is disposed in a lateral direction between the conversion elements, the lateral direction being parallel to the main extension plane of the semiconductor body, and the barrier extending transversely to the lateral direction. The active region has at least two emission regions which can be driven separately from each other, and each of the conversion elements is disposed in a radiation direction of the electromagnetic radiation emitted from one of the emission regions.

Abstract: A method for producing an optoelectronic component is described with the steps of providing monomeric structural units, providing nanoparticles in a liquid medium, mixing the monomeric structural units and the nanoparticles in the liquid medium so that a starting sol is formed, introducing an acid into the starting sol to adjust a pH value, at least partial condensation of the monomeric structural units to form a network, wherein the nanoparticles are at least partially covalently bonded to the network, so that a sol-gel material is formed, applying the sol-gel material to a semiconductor chip, curing the sol-gel material to form a coating material. Furthermore, an optoelectronic component is specified.

Abstract: A system and method are provided for determining a pressure associated with a lumen of a body. A wireless sensor is positioned in the lumen of the body. The sensor comprises an LC resonant circuit having a resonant frequency configured to vary in response to changes in pressure in the lumen. One or more sensor calibration parameters are stored at an external base unit. The external based unit generates and transmits an energizing signal. A ring down response is received from the wireless sensor. The system and method determine the resonant frequency of the LC resonant circuit from the ring down response and calculate the pressure in the lumen from the resonant frequency of the LC resonant circuit utilizing the one or more sensor calibration parameters associated with the LC resonant circuit.

Abstract: A light-emitting device including a light-emitting semiconductor chip having a semiconductor layer sequence having at least one light-emitting semiconductor layer and a light-outcoupling surface, the light-emitting device further including a wavelength conversion layer arranged on the light-outcoupling surface, the wavelength conversion layer including quantum dots.