Abstract:
A filament includes a plurality of strings including radiation-emitting semiconductor chips electrically connected in series; and a plurality of contact structures to contact the strings, wherein the contact structures electrically connect to semiconductor chips at ends of the strings such that the strings are electrically drivable via the contact structures, and the filament is configured such that the strings are electrically drivable at least separately from one another via the contact structures.
Abstract:
A filament includes a plurality of strings including radiation-emitting semiconductor chips electrically connected in series; and a plurality of contact structures to contact the strings, wherein the contact structures electrically connect to semiconductor chips at ends of the strings such that the strings are electrically drivable via the contact structures, and the filament is configured such that the strings are electrically drivable at least separately from one another via the contact structures.
Abstract:
A filament includes a radiation-transmissive substrate, a plurality of light emitting diodes and a converter layer, wherein the substrate has an upper side and a lower side facing away from the upper side, and the LEDs are arranged on the upper side of the substrate, the converter layer covers the LEDs, the upper side and the lower side of the substrate, and the converter layer has a first sublayer on the upper side and a second sublayer on the lower side, and the converter layer is configured to obtain an improved radiation profile of the filament such that the converter layer has a varying vertical layer thickness along a lateral direction, and/or the first sublayer and the second sublayer differ from one another in their geometry and/or material composition.
Abstract:
A ring light module having a plurality of optoelectronic semiconductor components for producing electromagnetic radiation, a reflector of the ring light module comprising a reflective surface, and a support. The semiconductor components are mounted on the support. In a plan view of a main radiation side of the ring light module, the reflector comprises at most two planes of symmetry. The reflector tapers in the direction towards the main radiation side. At least some of the main emission directions of adjacent optoelectronic semiconductor components are oriented differently from each other, and the main emission directions point towards the reflective surface.
Abstract:
An optoelectronic semiconductor chip (10) is specified, comprising a semiconductor layer sequence (20) having at least two active regions (21, 22) arranged one above another, wherein the active regions (21, 22) each have a first semiconductor region (3) of a first conduction type, a second semiconductor region (5) of a second conduction type and a radiation-emitting active layer (4) arranged between the first semiconductor region (3) and the second semiconductor region (5). The optoelectronic semiconductor chip (10) comprises a mirror layer (6), which is arranged at a side of the semiconductor layer sequence (20) facing away from a radiation exit surface (13), and at least two electrical contacts (11, 12) which are arranged at a side of the mirror layer (6) facing away from the radiation exit surface (13). Furthermore, a light source (30) comprising the optoelectronic semiconductor chip (10) is specified.
Abstract:
In at least one embodiment, the semiconductor component includes an optoelectronic semiconductors chip. Furthermore, the semiconductor component includes a conversion-medium lamina, which is fitted to a main radiation side of the semiconductor chip and is designed for converting a primary radiation into a secondary radiation. The conversion-medium lamina includes a matrix material and conversion-medium particles embedded therein. Furthermore, the conversion-medium lamina includes a conversion layer. The conversion-medium particles are situated in the at least one conversion layer. The conversion-medium particles, alone or together with diffusion-medium particles optionally present, make up a proportion by volume of at least 50% of the conversion layer. Furthermore, the conversion-medium lamina includes a binder layer containing the conversion-medium particles with a proportion by volume of at most 2.5%.
Abstract:
In various embodiments, a light emitting component is provided. The light emitting component includes a plurality of light emitting semiconductor chips. The semiconductor chips are arranged on at least one carrier. The semiconductor chips are electrically contacted. The light emitting component further includes a converter. The converter is configured to convert light in a first wavelength range, said light being emitted by at least one portion of the light emitting semiconductor chips, at least partly into light in a second wavelength range. The converter is formed separately from the at least one carrier.
Abstract:
In one embodiment, the method is configured for producing optoelectronic semiconductor components (1) and includes the steps of: providing a leadframe assembly (20) with a multiplicity of leadframes (2), each having at least two leadframe parts (21, 22); forming at least a part of the leadframe assembly (20) with a housing material for housing bodies (4); dividing the leadframe assembly (20) between at least one part of the columns (C) and/or the rows (R), wherein the leadframes (2) remain arranged in a matrix-like manner; equipping the leadframes (2) with at least one optoelectronic semiconductor chip (3); testing at least one part of the leadframes (2) equipped with the semiconductor chips (3) and formed with the housing material after the step of dividing; and separating to form the semiconductor components (1) after the step of forming and after the step of testing.
Abstract:
In at least one embodiment, the semiconductor component includes an optoelectronic semiconductors chip. Furthermore, the semiconductor component includes a conversion-medium lamina, which is fitted to a main radiation side of the semiconductor chip and is designed for converting a primary radiation into a secondary radiation. The conversion-medium lamina includes a matrix material and conversion-medium particles embedded therein. Furthermore, the conversion-medium lamina includes a conversion layer. The conversion-medium particles are situated in the at least one conversion layer. The conversion-medium particles, alone or together with diffusion-medium particles optionally present, make up a proportion by volume of at least 50% of the conversion layer. Furthermore, the conversion-medium lamina includes a binder layer containing the conversion-medium particles with a proportion by volume of at most 2.5%.
Abstract:
A semiconductor chip (10) is provided which comprises: a semiconductor layer sequence (20) with a p-type semiconductor region (5) and an n-type semiconductor region (3), a plurality of p-contacts (11a, 11b), which are connected electrically conductively with the p-type semiconductor region (5), and a plurality of n-contacts (12a, 12b), which are connected electrically conductively with the n-type semiconductor region (3), wherein: the p-contacts (11a, 11b) and the n-contacts (12a, 12b) are arranged on a rear side of the semiconductor chip (10), the semiconductor chip (10) comprises a plurality of regions (21, 22) arranged adjacent one another, and the regions (21, 22) each comprise one of the p-contacts (11a, 11b) and one of the n-contacts (12a, 12b).