Abstract: A method for producing light-scattering structures on flat optical waveguides into which light can be coupled for making the light-scattering structures visible. The light-scattering structures are applied to a surface of the optical waveguide in accordance with a predetermined arrangement prescription. The light-scattering structures are applied directly to the optical waveguide with a non-impact method. The application of the light-scattering structures can occur by imprinting with a computer-controlled, contactless-operating print head or by electro-photographic coating.

Abstract: A toner and to a method for producing a plastic toner, especially for electrophotography. The base material for the toner, a powder for powder coating, is used and has a grain size distribution of from 1 to 20 ?m, particularly 5 to 15 ?m, and has additional charge control agents and additives on the surface. According to the method, convected powders for powder coating are used as the base material. In a mixing step, the powders are mixed with charge control agents (CCA) for improving surface charge and optionally in a further mixing step with additives for improving the flow properties, the adhesive power and the agglomeration propensity.

Abstract: A developer unit having a toner reservoir and a toner application device. The toner application device applies toner to a developer and the developer can be brought into a planar contact with an OPC (photo conductor drum). In order to improve the transfer of toner in the contact area between the OPC and the developer, the developer has a developer strip that is placed, in the contact area, in some areas of the surface of the OPC.

Abstract: A printing device, including at least one electrophotographic printing unit with a transfer medium for the transfer of a toner powder to a substrate in a transfer zone. One or several substrates may be run through the transfer zone by a transport system. The transport system includes a heated housing device for each substrate, having one or several heating elements for the introduction of heat energy into the substrate. A cooling device is provided for the transfer medium of each printing unit, which extracts heat energy from the transfer medium. There can be a number of serially arranged printing units, for the printing of each substrate, each with a different color.

Abstract: An electrophotographic printing device including a toner-developer unit, a lighting device, a developer drum, a photoconductor, a transfer unit and an earthed charging device. The substrate to be printed is placed on a transport device and moved along the transfer unit and the toner image of the transfer unit is transmitted to the substrate. A clear, sharp and shadow-free printed image is obtained by arranging the substrate on a non-earthed, electrically conductive layer which is insulated relative to the earthed transport device by an insulator extending along the charging device that is located above the substrate and the measurement of substrate that is to be printed and that is oriented in the direction of transport. The charging device can be charged at a potential, exciting voltage UF, of between 1 to 10 kV, more particularly 1.5 to 4 kV.

Abstract: An electrophotographic printing device with a developer unit and a photoconductor. The photoconductor is either directly connected to a substrate to be printed in the region of a transfer zone, or is connected by an intermediate circuit of one or several transfer media. At least one charger is provided for the substrate and the substrate may be transported through the transfer zone by a transport device. According to this invention, an effective transfer of toner to the substrate surface can be achieved with such an arrangement, even with a poor electrically-conducting and thick-walled, sheet-like substrate, whereby a charger is arranged as the primary charger in the transport direction and a secondary charger is arranged in the region after the transfer zone and both primary and secondary chargers affect the surface of the substrate to be printed.

Abstract: An object at least partially of a glass material or glass-ceramic material, having an imprint applied by non-digital printing techniques. This invention also relates to a method for decorating an object made of a glass material or a glass-ceramic material, wherein a printed image is applied to a surface area of the glass material or the glass-ceramic material by a non-digital printing technique. In order to obtain individually varying imprints on such objects, the glass material or the glass-ceramic material has at least one surface area with a printed image created by digital printing technology.

Abstract: The invention provides a process for producing an improved organic light-emitting diode (1) with a structured luminous area and a substrate (2), which comprises the steps of: applying a first conductive electrode layer (5), applying a resistive layer (7) having at least one structure (17), applying at least one layer (11) which includes an organic, electroluminescent material, and applying a second conductive electrode layer (13), wherein the surface of the structure (17), in particular in its edge region (27), adopts an angle which remains less than 90° with respect to the surface of the substrate.

Abstract: The cleaning-friendly article, such as a household kitchen appliance, which is suitable for heating food and/or directly connected with this unit, has a suitable long-lasting or permanent easily cleaned coating on its surfaces that are accessible to dirt. In order to provide this easily cleaned coating a mixture is applied to these surfaces, which contains a hydrolyzable, network-forming gel and a hydrophobic substance. The gel is preferably formed from metal oxides. such as SiO2, Al2O3, Fe2O3, In2O3, SnO2, ZrO2, B2O3 and/or TiO2. The hydrophobic substance is preferably chemically combined with the gel network. The hydrophobic substance preferably includes pre-condensed fluoroalkyl-silanes.

Abstract: An electrophotographic printing device of modular construction with a support device, including a transport device, upon which a substrate may be transported between a start position and a target position and one or several electrophotographic units arranged on the support device, between the start and target position, having a developer unit, a photoconductor and an illumination unit for the photoconductor. The support device includes two or more housing positions arranged one behind the other in the transport direction of the transport device, provided with unitary mechanical interfaces. The electrophotographic units include unitary fixing pieces which are complementary in form to the interfaces. Such a printing device may be flexibly laid out due to the technical assembly thereof and may be individually set-up easily for specific printing jobs.

Abstract: A ceramic toner which is transferable to a high-temperature resistant glass, glass ceramic or ceramic substrate by electrophotographic printing and which can be fired in a subsequent temperature process, containing color pigment particles in addition to special glass flow particles. According to this invention, the ceramic toner has a thermoplastic synthetic matrix which melts in a homogeneous manner on the substrate within a temperature range of 100° C.–400° C. and which, within the temperature range of 300° C.–500° C., vaporizes in an almost residue-free manner and/or decomposes in order to obtain a toner which can be transferred especially in a direct printing mode and which has almost no synthetic matrix residue after firing.

Abstract: A household appliance, particularly a clothes dryer or a washing machine with an air-conducting and/or a water-conducting system of individual structural elements, through which suds, a gas flow, or the like can be conducted. The disinfection of water-conducting or air-conducting elements is simply successful if the surface facing the suds-conducting area of at least one of the structural elements is anti-microbially or bacteriocidally coated and/or the surface is anti-microbially or bacteriocidally doped, or if the surface facing the air-conducting area of at least one of the structural elements is anti-microbially or bacteriocidally coated and/or the surface is anti-microbially or bacteriocidally doped.

Abstract: A mixed nickel hydroxide cathode material for use in alkaline storage batteries and having a bimodal particle size distribution includes a main population of particles and a secondary population of particles. The main population has a median mass-based particle size distribution value, derived from laser particle analyses, of between 5 ?m and 25 ?m. The secondary population has a median mass-based particle size distribution value, derived from laser particle analyses, of between 0.3 ?m and 3 ?m. The main population is present in the mixed nickel hydroxide cathode material in a proportion of between 70% and 96% by mass.

Abstract: The cook top is divided into at least one cold zone and cooking zones heatable by radiant heating elements under the cooking zones. The cook top includes a transparent, colorless glass ceramic or glass plate and a non-ceramic underside layer or layers on the underside of the plate. The upper side of the glass ceramic or glass plate is free of any decoration or layer, thus providing a cooking surface having improved smoothness for easy cleaning. The non-ceramic underside layer is permeable to infrared radiation in the cooking zones and is a color-imparting decoration. The underside layer, at least in cooking zones, has transmission properties for visible light such that the radiant heating elements are not visible from above, at least when they are not in a switched-on state.

Abstract: A multicolor printing system with a plurality of toner printing stations which apply differently colored toner images to at least one side of a transfer medium, from where the toner images can be transferred to a print medium which can be contacted with the transfer medium.

Abstract: A method for producing a holding element on an edge region of a molded body made of a brittle material. The molded body is placed in a form tool that forms a charge cavity in the edge region of the molded body. The charge cavity is at least partially filled with a plastic material, and the molded body having the holding element formed thereon is then removed from the form tool. According to this invention, in order to optimize the production process, the molded body is held in the form tool by a clamping element. A section of the charge cavity is defined by the clamping element. A sealing element is applied to the molded body in a transition region between the charge cavity and the clamping element. The plastic material is introduced into the charge cavity by extrusion.

Abstract: A ceramic toner which is transferable to a high-temperature resistant glass, glass ceramic or ceramic substrate by electrophotographic printing and which can be fired in a subsequent temperature process, containing color pigment particles in addition to special glass flow particles. According to this invention, the ceramic toner has a thermoplastic synthetic matrix which melts in a homogeneous manner on the substrate within a temperature range of 100° C.-400° C. and which, within the temperature range of 300° C.-500° C., vaporizes in an almost residue-free manner and/or decomposes in order to obtain a toner which can be transferred especially in a direct printing mode and which has almost no synthetic matrix residue after firing.

Abstract: A method for heating and fixing an inking, particularly a toner powder on a plate-shaped support, and the inking applied to the coated upper side of the support is fixed on the support by heat action. This invention is to be able to fix and adhere well toner inkings on thick-walled supports. Thus, the coated upper side and/or the uncoated underside of the plate-shaped support is subjected to infrared radiation and/or a hot air stream and/or a microwave radiation. A support having a high weight per unit area is used, which permits a portion of the infrared radiation and/or the hot air stream and/or the microwave radiation directed onto the uncoated underside of the support to pass through while absorbing another portion of the same.

Abstract: The invention discloses a method of producing a light-scattering layer on a transparent body, in particular consisting of glass or a glass ceramic. The light-scattering layer is produced by thermal spraying a material such as aluminum oxide, titanium oxide etc. onto a surface of the preheated body with a maximum layer thickness of 100 micrometers. The method is particularly suited for preparing light-scattering layers on glass ceramic cooktops.

Abstract: An operating surface for home appliances having an operating panel with at least one operating element and/or indicator element thereon arranged. The operating panel, at least one operating element and/or the at least one indicator element can be illuminated, at least in part, by at least one electrically operated light source. The light source includes at least one organic electroluminescent component, for example an organic light-emitting diode (OLED).