Abstract: The invention relates to Eu2+-activated phosphors, to a process for the preparation of these compounds, and to phosphor mixtures, light sources and lighting units which comprise the Eu2+-activated phosphors according to the invention.

Abstract: A sensor element for detecting a physical property of a gas includes: a solid electrolyte film; a first end area and a second end area situated diametrically opposite in the longitudinal direction; a functional element in the first end area in the interior which is electrically conductively connected to a contact surface situated in the second end area on the outer surface, the electrically conductive connection having a strip conductor running essentially in the longitudinal direction in the interior of the sensor element; and a reference gas channel running essentially in the longitudinal direction of the sensor element communicating with a reference gas outside of the sensor element via a reference gas opening, the strip conductor and the reference gas channel being situated in such a way that at least a partial overlap occurs between them.

Abstract: The present invention relates to europium-, cerium-, samarium- or praseodymium-doped boronitrides, to a process for the preparation of these compounds, and to the use of the doped boronitrides according to the invention as conversion phosphors. The present invention furthermore relates to a light source which contains a doped boronitride according to the invention.

Abstract: The invention relates to Eu2+-activated phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors.

Abstract: A high-energy LED is provided, in particular based on the n-polar technique, comprising a Eu3+ activated converter material based on tungsten/molybdenum oxide. Surprisingly, these materials do not show any saturation.

Abstract: The present invention relates to europium-doped phosphors, to a process for the preparation thereof, and to the use of these compounds as conversion phosphors. The present invention furthermore relates to light-emitting devices which comprise the phosphor according to the invention.

Abstract: An organic light emitting diode comprising a first electrode layer, a second electrode layer, a stack of functional layers, including an organic light-emitting layer, sandwiched between said first electrode layer and said second electrode layer, and an passivation layer arranged adjacent to said first electrode layer is disclosed. The passivation layer reacts with the first electrode layer to form an oxide at a reaction temperature that is induced by an evolving short circuit between the first electrode layer and the second electrode layer. The passivation layer is unreactive at temperatures lower than the reaction temperature.

Abstract: The present invention relates to Eu—, Sm— or Pr-doped silicate compounds, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and lighting units which contain a primary light source and the emission-converting material according to the invention.

Abstract: The invention relates to europium or samarium-doped terbium molybdates, to a method for producing said compounds, and to the use of the claimed europium or samarium-doped terbium molybdates as conversion lumiophores. The invention also relates to a light-emitting device containing a claimed europium or samarium-doped terbium molybdate.

Abstract: An organic light emitting diode comprising a first electrode layer, a second electrode layer, a stack of functional layers, including an organic light-emitting layer, sandwiched between said first electrode layer and said second electrode layer, and an passivation layer arranged adjacent to said first electrode layer is disclosed. The passivation layer reacts with the first electrode layer to form an oxide at a reaction temperature that is induced by an evolving short circuit between the first electrode layer and the second electrode layer. The passivation layer is unreactive at temperatures lower than the reaction temperature.

Abstract: The present invention relates to compounds of the formula I, (A2-2nBn)x(Ge1-mMm)yO(x+2y):Mn4+??I in which the parameters A, B, M, m, n, x, and y have one of the meanings according to claim 1. Furthermore, the invention relates to a process for the preparation of the compounds of the formula I, to the use of these compounds as conversion phosphors, and to an emission-converting material comprising at least one compound of the formula I. The present invention furthermore relates to a light-emitting device which comprises at least one compound of the formula I according to the invention.

Abstract: The present invention relates to a composite ceramic which comprises a conversion phosphor and a further material, characterized in that the further material has a negative coefficient of thermal expansion, and to a process for the preparation thereof. Furthermore, the present invention also relates to the use of the composite ceramic according to the invention as emission-converting material, preferably in a white light source, and to a light source, a lighting unit and a display device.

Abstract: A sensor element for detecting a level of a gas component in the measured gas or a temperature of the measured gas. The sensor element includes at least one solid electrolyte layer. The solid electrolyte layer has at least one plated-through hole. The sensor element further includes a conductive element, which produces an electrically conductive connection through the plated-through hole. In the plated-through hole, the solid electrolyte layer is electrically insulated from the conductive element by an insulating element. At least one opening region of the plated-through hole is stabilized against phase transition by a stabilizing element. The stabilizing element is made at least partially of a material, which includes a noble metal and an element selected from the group consisting of: V, Nb, Ta, Sb, Bi, Cr, Mo, W. A method for manufacturing the sensor element is also provided.

Abstract: The invention relates to Eu2+-activated phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors.

Abstract: The invention relates to an UV radiation device, comprising an LED comprising a nitridic material which is arranged to emit first UV radiation in a wavelength range of 200 nm-300 nm and a luminescent material doped with at least one of the following activators selected out of the group Eu2+, Ce3+, Pr3+, Nd3+, Gd3+, Tm3+, Sb3+, Tl+, Pb2+ and Bi3+, wherein the luminescent material is configured to convert at least a part of the primary UV radiation into secondary UV radiation, the primary UV radiation and the secondary UV radiation having a different spectral distribution.

Abstract: The present invention relates to europium-doped phosphors, to a process for the preparation thereof, and to the use of these compounds as conversion phosphors. The present invention furthermore relates to light-emitting devices which comprise the phosphor according to the invention.

Abstract: A sensor element for detecting a physical property of a gas includes: a first end region and a second end region opposing one another; a functional element in the first end region interior that is electroconductively connected to a contact area disposed in the second end region exterior; the electrically conductive connection between the functional element and the contact area having a conductor in the interior of the sensor element essentially extending in the longitudinal direction, and having a leadthrough that essentially extends orthogonally to the longitudinal direction of the sensor element. The ratio between an electrical resistance of the conductor and an electrical resistance of the leadthrough is between 3 and ?.

Abstract: A sensor element, in particular for detection of a physical property of a gas, in particular for detection of the concentration of a gas component or of the temperature or of a solid constituent or of a liquid constituent of an exhaust gas of an internal combustion engine, the sensor element including, a solid electrolyte film and including, located oppositely from one another in its longitudinal direction, first and second end regiona, the sensor element including outside the second end region, in particular in the first end region, a functional element electrically conductively connected to a contact surface disposed in the second end region on the outer surface of the sensor element, the contact surface having a rounding, which is a radius, on its side facing away from the first end region. The contact surfaces each include three sub-regions: head region, neck region, and body region.

Abstract: A sensor element for detecting a physical property of a gas includes: a solid electrolyte film; a first end area and a second end area situated diametrically opposite in the longitudinal direction; a functional element in the first end area in the interior which is electrically conductively connected to a contact surface situated in the second end area on the outer surface, the electrically conductive connection having a strip conductor running essentially in the longitudinal direction in the interior of the sensor element; and a reference gas channel running essentially in the longitudinal direction of the sensor element communicating with a reference gas outside of the sensor element via a reference gas opening, the strip conductor and the reference gas channel being situated in such a way that at least a partial overlap occurs between them.

Abstract: The invention provides a a luminescent material comprising particles of UV-luminescent material having a coating, wherein the coating (a “multi-layer coating”) comprises a first coating layer and a second coating layer, wherein the first coating layer is between the luminescent material and the second coating layer, and wherein in a specific embodiment the second coating layer comprises an alkaline earth oxide, especially MgO. Further, the invention provides a lighting unit comprising such luminescent material.