Abstract: The invention relates to a method for producing a composite material with a decorative coating, wherein a porous layer that includes pigment particles is applied onto a glass or glass ceramic substrate. The porous layer is filled with a polymer.

Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a display device, a separating element, and a covering. The covering is on an interior side of the separating element and has a cutout at the separating element. The separating element has a light transmittance of at least 5% and at most 70%. The covering has light transmittance of at most 7% and a colour locus in the CIELAB colour space with coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6, and the colour locus of D65 standard illuminant light, after passing through the substrate, is within a white region W1 determined in the chromaticity diagram CIExyY-2° by the coordinates: White region W1 x Y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.

Abstract: A transparent colored glass ceramic, in particular an LAS glass ceramic, suitable for use as a cooking surface is provided. The transparent colored glass ceramic includes high-quartz solid solution (HQ s.s.) as a main crystal phase and exhibits thermal expansion of ?1 to +1 ppm/K in the range from 20° C. to 700° C. The glass ceramic has from 3.0 to 3.6 percent by weight of lithium oxide (Li2O) as constituents and either is colored with 0.003 to 0.05 percent by weight of vanadium oxide (V2O5) or is colored with 0.003 to 0.25 percent by weight of molybdenum oxide (MoO3).

Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a lighting and separating element. The separating element in a region of the lighting element has light transmittance of at least 0.1% and less than 12%. The lighting element in the interior emits light that passes through the separating element and to the exterior. The separating element has a glass or glass-ceramic substrate having a CTE of 0 to 6 ppm/K and has a colour locus in the CIELAB colour space with the coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6. D65 standard illuminant light, after passing through the separating element, is within a white region W1 determined in the chromaticity diagram CIExyY?2° by the following coordinates: White region W1 x y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.

Abstract: A sightglass for a stove is provided that has a substrate made of transparent coloured lithium aluminium silicate glass ceramic. The sightglass has a light transmittance of 0.1% to 50%. Standard illuminant D65 light, after passing through the glass ceramic, at a thickness of 4 mm, has a colour locus in the white region W1 determined by the following coordinates in the chromaticity diagram CIExyY-2°: White region W1 x y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 ?0.29.

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%.

Abstract: A display device is provided that is a transparent, colored glass-ceramic with a display face on the front, an illumination face on the back, and at least one light-emitting element being disposed in the region of the illumination face. The display device further includes a color compensation filter in the form of a color layer introduced directly or indirectly on the glass ceramics.

Abstract: A cooktop with a graphical display device is provided. The cooktop includes a glass ceramic substrate with a dead-front effect in which lightness differences in the display area and in particular differences between the latter and the adjacent areas of the cooktop are not visible for a user from the exterior. The cooktop has a glass or glass ceramic substrate and a display device with a display surface for displaying information by emission of light, wherein the display device is in the interior of the cooktop or cooking appliance such that light emitted from the display surface passes through the glass or glass ceramic substrate and is perceptible by a user in the exterior.

Abstract: A method for producing a sol-gel ink, in particular from TEOS and MTEOS, is provided. The method includes adding inorganic particles as a filler and adding a high-boiling solvent.

Abstract: A semi-transparent coating material for coating glass or glass ceramics includes at least one sol-gel hybrid-polymer coating system having a hybrid-polymer or inorganic sol-gel-based matrix, and nanoparticles and nanoscale pigments and/or dyes are added to the hybrid-polymer or inorganic sol-gel-based matrix.

Abstract: A cooktop is provided that has a glass ceramic cooking plate, at least one heater arranged below the glass ceramic cooking plate, and at least one touch sensor. The touch sensor is operable across the glass ceramic cooking plate for adjusting the power of the at least one heater. The glass ceramic cooking plate has an increased strength and is therefore produced with a reduced thickness, whereby the sensitivity and reliability of the touch sensor is significantly improved.

Abstract: A cooktop is provided that includes a glass ceramic cooking plate that exhibits enhanced mechanical strength and at the same time increased spectral transmittance in the infrared range. The glass ceramic cooking plate makes it possible to detect, through the glass ceramic cooking plate, the temperature of a piece of cookware placed thereon using an infrared sensor, and to perform an automated cooking process in response thereto.

Abstract: Disclosed are articles that are provided with a haptically-perceptible surface. The articles include a coated glass or glass ceramic substrate which is provided with a layer with haptic properties so that the layer has a haptically perceptible texture. The layer includes texturing inorganic and/or polysiloxane-based particles which are fixed on the substrate by a layer-forming material. The particles cause protrusions on the layer and so produce the haptically perceptible texture.

Abstract: A panel like, double-sided coated substrate and a method for production are provided. The panel like substrate includes at least two layers applied by heating, the first layer being applied on a first side of the substrate and having at least a glass component and structure-forming particles, the particles producing elevations on the first layer, and the softening temperature or the melting temperature of the particles being greater than the softening temperature of the glass component, and the second layer being applied on a second side of the substrate.

Abstract: A glass flux material for applying an opaque coating is provided. The glass flux material includes at least one pigment and a glass component with the following composition: SiO2 55-70 mol %, Al2O3 2.5-8 mol %, Bi2O3 0.5-<4 mol %, B2O3 14-27 mol %, with at least 2.5 mol % of at least one oxide of the group Li2O, Na2O, and K2O, wherein the ratio of alkali oxides to aluminum oxide ?R2O/Al2O3 is less than 6.

Abstract: A method for producing a glass or glass ceramic composite material with a metallic decorative appearance is provided. The method includes: applying a layer onto a glass or glass ceramic substrate, the layer comprising a sol-gel and/or a polysiloxane; patterning the layer; and applying a metallic-looking layer onto the patterned layer.

Abstract: A method and an apparatus for embossing a pattern into a varnish on a sheet-like substrate are provided. The method applies a planar stamp using a roller, while the apparatus includes a roller having a planar stamp.

Abstract: An etching method for selective introduction of structures into surfaces of different substrates, such as glass or glass ceramic substrates, is provided. The method provides for surface structuring using an etch mask. The etchmask allows for the production of very fine structures on the substrate surfaces using liquid etching media. In this method the etch mask is produced on the substrate.

Abstract: Optical filters, their production and their uses are provided. The optical filters have heat-resistant, mechanically stable absorption layers or filter layers. The optical filters can be absorption filters or ND filters. The filter layer includes filter particles dispersed in a matrix. The filter particles have a constant absorption over a wide wavelength range. The matrix includes a heat-resistant binder.

Abstract: A substrate of glass or glass ceramics having a semitransparent coating is provided. The semitransparent coating has high scratch resistance, good temperature stability, and good adhesion on a sealing layer. The coating material has at least one sol-gel-based matrix, to which colorants are added, and that a polyester-functionalized and/or an epoxy-functionalized silicone resin, such as a polyester-modified silicone resin, is added to the sol-gel-based matrix.