Abstract: A lighting device having a side-emitting fiber bundle is provided. The fiber bundle is inserted in a sleeve that has an extension, which is effective as a light mixer.

Abstract: A transistor outline housing is provided that includes a header for an optoelectronic component. The header has electrical feedthroughs in the form of connection pins embedded in a potting compound. The header has a recess in which at least one of the connection pins in one of the feedthroughs extends out of the lower surface of the header.

Abstract: An apparatus for authenticating an optical key and an apparatus for generating a random number from an optical key are provided. The optical key is used for reliable authenticatability and the random number is stable when or after the optical key is exposed to an external influence such as, but not limited to, a physical or chemical stimulus including a different ambient condition, a mechanical stress, or chemical contact.

Abstract: The present disclosure relates to components, such as base bodies, for feed-through elements including a metallic base body, at least one through-opening for receiving a functional element in a fixing material, such as an electrically insulating fixing material, and at least one conductor, which is connected electrically conductively to the base body by a soldered connection. The soldered connection includes a metallic solder material that covers a surface region of the base body and thus forms a soldering region on a surface of the base body. The base body has, at least in the soldering region, a microstructuring that includes at least depressions in the surface of the base body. The present disclosure similarly relates to methods for producing such base bodies and to applications thereof.

Abstract: An illumination system is provided that includes a spatial fiber arrangement with an optical element at the distal end of the fiber arrangement. The fiber arrangement has a first region including individual fibers with a significantly smaller active diameter in comparison with the individual fibers of a remaining region. The optical element at the distal end is assigned the remaining region. The fiber arrangement can be a rigid fiber rod that includes an intermediate region provided between the first region and the remaining region. The intermediate region suppresses stray light transfers between the first and remaining regions. The fiber arrangement can include an optical coupling element at a proximal end of the fiber rod.

Abstract: A porous sintered body with an electrically conductive coating is provided. The sintered body has an open porosity in a range from 10 to 90%. The electrically conductive coating is bonded to the surface of the pores and is part of a heating device in a vaporizer. The electrically conductive coating lines the pores located in the interior of the sintered body so that when the sintered body is electrically connected and a current is applied, the current flows at least partially through the interior of the sintered body so that the interior of the sintered body is heated. A method for producing a porous sintered body with an electrically conductive coating is also provided.

Abstract: A glass ceramic article is provided so that a reliable coloring with a defined transmittance is ensured. The reliable coloring of the glass ceramic article is based on a high content of iron oxide of more than 0.1 percent by weight which itself has a strongly coloring effect does not further reduce transmittance but rather interacts with vanadium oxide to attenuate the absorption caused by vanadium oxide.

Abstract: A refrigeration cabinet, in particular a commercial refrigerator or freezer, is provided. The refrigeration cabinet has a housing, which has a front access opening, a door, which has at least one door leaf, for the access opening, and a guide. The door leaf has a height and a width and is mounted such that it can be rotated about a vertical rotation axis and can be displaced transverse to the rotation axis. The guide defines a movement of the door leaf between a closed position and an open position in such a way that the pivot region of the door leaf projects less than a full door-leaf width into the exterior in front of the access opening, and that the door leaf is mounted such that it can be rotated about a vertical axis and can be displaced transverse to the rotation axis.

Abstract: A lithium-ion-conducting composite material is provided that includes at least one polymer and lithium-ion-conducting particles. The interfacial resistance for the lithium-ion conductivity between the polymer and the particles is reduced as a result of a surface modification of the particles and therefore the lithium-ion conductivity is greater than for a comparable composite material wherein the interfacial resistance between the polymer and the particles is not reduced.

Abstract: The present disclosure relates to a bonding glass which has improved water resistance and has a coefficient of thermal expansion ?(25-300) of from 14·10?6K?1 to 17·10?6K?1, comprising, in mol % on an oxide basis, 5-7 of B2O3, 10-14 of Al2O3, 36-43 of P2O5, 15-22 of Na2O, 12.5-20 of K2O, 2-6 of Bi2O3 and >0-6 of R oxide, where R oxide is an oxide selected from the group consisting of MnO2 and SiO2 and SnO2 and Ta2O5 and Nb2O5 and Fe2O3 and GeO2 and CaO. The bonding glass is free of PbO except for, at most, impurities. The bonding glass may have a glass transition temperature Tg of from 390° C. to 430° C. The present disclosure also relates to uses of this bonding glass.

Abstract: A lighting device for interior spaces or rooms is provided. The lighting device has a plurality of lighting units that are individually calibrated. Further, the lighting device has a regulating device, which, based on corrected color and/or intensity values, forms a control value with which light sources of the lighting units are actuated in order to achieve a specified color and/or intensity value.

Abstract: A drawing method for glass is described. The method provides glass components that have a strongly increased ratio of width to thickness when compared to the preform, which makes the manufacturing of flat glass components more economical. The method purposefully controls the temperature distribution within the preform.

Abstract: A light source is provided that includes at least two semiconductor light-emitting elements that emit light of different color, a light guide, an electronic control unit, and a light sensor. The light emitted by the elements is injected, at least partially, into the light guide and exits laterally from the light guide. The brightness of the elements can be adjusted by the electronic control unit. The light sensor is arranged to receive the light injected by the elements and laterally exiting from the light guide. The electronic control unit accumulates sensor signals from the light sensor over an integration time interval and compares the accumulated signals with a target value or range to determine a difference, changes a brightness of the elements in response to the difference, and changes the integration time interval in response to the difference or to a change in the target value.

Abstract: Disclosed is a method for the production of a tube having, in sections, a non-circular profile by deforming, comprising: a) providing a tube, which has a circular initial profile; b) conveying the tube in a hot, malleable state through a nip, which is formed by squeezing rollers and has a first nip width, which is larger than or equal to an outer dimension of the initial profile; c) adjusting the squeezing rollers for setting a second nip width, which is smaller than the outer dimension of the initial profile, and deforming the initial profile in said hot, malleable state for obtaining said non-circular cross section; and d) adjusting the squeezing rollers for setting a third nip width, which is larger than or equal to the outer dimension of the initial profile, and severing said tube in a region having a circular cross section; so that respective end portions of said tube have a circular cross section According to the invention, the tubes can be connected reliably with connecting-members or other tube

Abstract: A cooking apparatus with a cooktop composed of a glass or glass-ceramic material is provided. The cooking apparatus includes a heating element and a lighting element that are disposed in the region below the underside of the cooktop. The heating element is applied to the underside of the cooktop indirectly by a pressing device or directly by pre-stressing one or a plurality of spring elements. The lighting element and the heating element are disposed on a common support section of the pressing device in such a way that they are adjustable with an oscillation of the cooktop.

Abstract: The present disclosure relates to bendable and/or foldable articles and uses thereof and to a method of providing bendable and/or foldable articles. The articles are of translucent and brittle material, such as glass, glass ceramic, ceramic or crystals. The articles may be used as a display cover such as a protecting cover in displays in, for example, smartphones, tablet computers, or TV devices. The articles may also be used as a substrate for electronic components, such as OLEDs or LEDs.

Abstract: A transistor outline (TO) housing comprising a base part having a mounting area for a thermoelectric cooler, wherein the base part has at least two feedthroughs for connecting an optoelectronic component. A support extends from the upper surface of the base part, which support has at least two conductor traces arranged thereon, each of which is connected to a respective one of the feedthroughs for connecting the optoelectronic component.

Abstract: A feed-through, in particular a feed-through which passes through part of a housing, in particular a battery housing, for example made of metal, in particular light metal, for example aluminum, an aluminum alloy, AlSiC, magnesium, an magnesium alloy, titanium, a titanium alloy, steel, stainless steel or high-grade steel. The housing part has at least one opening through which at least one conductor, in particular an essentially pin-shaped conductor, embedded in a glass or glass ceramic material, is guided. The base body is, for example, an essentially annular-shaped base body and is hermetically sealed with the housing part such that the helium leakage rate is smaller than 1*10?8 mbar l/sec.

Abstract: A method and a device are provided for detecting defects in coils, such as rollable ultra-thin glass, rollable glass films, rollable laminated ultra-thin glasses or films, rollable solar cells, and rollable organic light emitting diodes (OLEDs). The method includes: providing a glass ribbon in a coil with a shape of a hollow cylinder with two end faces and one ribbon surface; introducing light into a first of the two end faces so that the light is directed from a light entrance side at the first of the two end faces to a light exit side at a second of the two end faces and exits from the light exit side; detecting the light at the light exit side with a first optical imaging detector so that, if a crack is present, the crack is seen as a shading in an image captured by the first optical imaging detector.

Abstract: A description is given of a coloured, transparent, lithium aluminium silicate glass-ceramic and also of the use thereof, said glass-ceramic possessing a light transmission Y of 2.5% to 10% and a spectral transmission ?(at 465 nm) of more than 1.0%.