Abstract: The present invention relates to an advantageously interactive item of furniture and/or appliance comprising: at least one worktop formed from at least one substrate made of a monolithic glazing material and of area larger than 0.7 m2, said substrate having a lightness L* lower than 10, a haze lower than 30% and a light transmission TL lower than 10%; at least one heating element; at least one light source, in particular intended to light up one or more zones or one or more elements or displays of the substrate, this source in particular being located under the substrate and being hidden thereby when said source is at rest; and at least one interface for communicating with at least one element of the worktop such as the one or more light sources and/or the one or more heating elements and/or if needs be wirelessly with at least one external element.

Abstract: An item of furniture or appliance includes at least one worktop formed from at least one substrate made of a transparent monolithic glazing material and of area larger than 0.7 m2, equipped with a coating so that the substrate equipped with the coating has a haze higher than 15%, a light transmission TL lower than 60% and an opacity indicator higher than 85. The item of furniture or appliance also includes at least one heating element, at least one light source to light up one or more zones or one or more elements or displays of the substrate, the source being located plumb with the substrate in order to form a display by projection, or under the substrate in order to form a display by transmission through the substrate, and at least one interface for communicating with at least one element of the worktop.

Abstract: The invention relates to a plate intended for covering or receiving induction heating elements, more particularly an induction cooking plate, said plate being a glass plate with a lithium aluminosilicate-type composition, said plate having a surface zone at least 5 ?m thick that comprises potassium ions in replacement of the lithium ions of the glass. The present invention likewise pertains to an induction cooking appliance incorporating said plate and to a method for producing said plate.

Abstract: The present invention relates to an article having at least one luminous area, particularly for display purposes, particularly a white area, said article comprising at least one glass-ceramic substrate having a light transmission from 0.8% to 40% and an optical transmission of at least 0.10, at least at a wavelength within the range from 420 to 780 nm, at least one light source, particularly a light-emitting diode, having an emission peak at a wavelength between 430 and 490 nm, and at least one luminescent compound emitting in the area of the CIExyY (1931) three-color diagram delimited by the following coordinates (x, y): x 0.2658 0.2000 0.3000 0.4229 0.2658 y 0.7243 0.3950 0.3405 0.5756 0.7243 so as to form at least one luminous area, particularly a white area, in particular for display purposes, in at least one area of the plate.

Abstract: A glass-ceramic article is at least partly coated with at least one layer of enamel, including a glass frit. The frit includes, expressed by weight, SiO2, 45-60%; Al2O3, 12-22%; B2O3, 12-22%; Li2O, 0-5%; Na2O, 0-2%; K2O, >2%; CaO, 0-4%; MgO, 0 - 4%; ZnO, 0-4%; BaO, 0-4%; ZrO2, 0-4%; and TiO2, 0-1%. The sum of oxides CaO+MgO+BaO+SrO+ZnO is at most 10%, preferably from 2 to 8%. A process can be used to obtain the article.

Abstract: A domestic oven door includes an inner glass sheet intended to be the glass sheet closest to the compartment of the oven, and an outer glass sheet, the glass sheets being held rigidly connected and being separated by an air gap, the inner glass sheet possessing a chemical composition which includes the following constituents, in an amount by weight within the limits defined hereinafter: SiO2 55-70% Al2O3 12-25% B2O3 ?0-0.5% Li2O ?0-2% Na2O + K2O ?0-5% MgO ?0-10% CaO ?0-15% SrO ?0-15% BaO ?0-15% ZnO ?0-5% RO ?5-25% where RO = MgO + CaO + SrO + BaO + ZnO TiO2 ?0-3% ZrO2 ?0-4%.

Abstract: The present invention relates to an article having at least one colored luminous zone, in particular a display zone, said article comprising at least one glass-ceramic substrate having a luminous transmission ranging from 0.8% to 40% and an optical transmission of at least 0.1% for at least one wavelength in the range extending from 420 to 780 nm, at least one light source and at least one filter so as to form at least one colored luminous zone, in particular a display zone, in at least one zone of the plate.

Abstract: A glass-ceramic plate for covering or accommodating at least one heating element, wherein the plate is at least partly coated with at least one nanoscale layer based on a metallic material having a refractive index greater than the refractive index of the glass-ceramic.

Abstract: The present invention relates to a glass-ceramic article at least partly coated with at least one layer of an enamel formed from a glass frit having the following composition, the proportions being expressed as weight percentages: SiO2 50-66% and preferably 50 < SiO2 ? 65% MgO 3-8% and preferably 3-6% Na2O 7-15% K2O ?3% Li2O ?3%, in particular ?2% CaO ?1% BaO >0-15% and preferably 5-15% Al2O3 3-20% and preferably 3 < Al2O3 < 20% ZrO2 0-4%, preferably 0 < ZrO2 < 4%, in particular 0.5-2% ZnO >0-5% B2O3 >0-6% and preferably 0 < B2O3 ? 5% the sum of the alkaline-earth metal oxides CaO+BaO moreover being between 8 and 15%, and the sum of the alkali metal oxides Na2O+K2O+Li2O moreover being between 7 and 20%. The invention also relates to the reinforced glass-ceramics obtained.

Abstract: A subject matter of the invention is a glass-ceramic sheet provided, on at least a portion of at least one of its faces, with a coating of thin layers comprising at least one thin functional layer composed of a metal based on niobium metal Nb, or of an oxide based on a niobium oxide NbOx in which x is at most 0.5, the or each thin functional layer being framed by at least two thin layers made of dielectric materials, the physical thickness of the thin functional layer or, if appropriate, the combined physical thickness of all the thin functional layers being within a range extending from 8 to 15 nm.

Abstract: A cooktop for a fixed or mobile cooking appliance, including a base plate, at least a part, or all, of a peripheral outer edge of a window not being in the plane of a peripheral outer edge of the base plate, at least one end plate which is made of different material than that of a seal and is disposed above or on the seal, at least a part of an outer surface of the seal which is located between the outer surface of the base plate and the outer surface of the window being covered by the end plate.

Abstract: The present invention relates to a vitroceramic article intended in particular to cover or receive heating elements, said article being provided with at least one luminous zone, in particular for display, comprising at least one luminous pattern, said article comprising at least one vitroceramic substrate, at least one light source, and at least one enamel coating which covers at least a part of said zone and within which an uncovered region is formed in the shape of said pattern, the composition of said enamel comprising at least one glass frit and at least one pigment, the glass frit comprising the following constituents: SiO2 40-55% Al2O3 ?0-10% B2O3 25-55% Na2O ?0-5% K2O ?0-5% Li2O ?0-10%, the rate of pigment or pigments being from 40 to 65% by weight of the frit/pigment mixture, the article furthermore comprising a diffusing zone facing the enamel coating.

Abstract: A cooktop for a fixed or mobile cooking appliance, including a base plate, at least a part, or all, of a peripheral outer edge of a window being in the plane of a peripheral outer edge of the base plate, at least one end plate which is made of different material than that of a seal and is disposed above or on the seal, at least a part of an outer surface of the seal which is located between an outer surface of the base plate and an outer surface of the window being covered by the end plate.

Abstract: The subject matter of the invention is a reinforced glass plate for an induction cooking device, the chemical composition of which comprises the following colorants, in a content which varies within the weight limits defined hereinafter: Fe2O3 (total iron): 0.8% to 1.8%, CoO: 0.02% to 0.06%, Se: 0 to 0.005%, Cr2O3: 0 to 0.1%. The invention is also directed towards an induction cooking device comprising at least one inductor placed under such a glass plate.

Abstract: The present invention relates to an article having at least one colored luminous region, in particular a display, said article comprising at least one glass-ceramic substrate having a luminous transmission ranging from 0.8% to 40% and an optical transmission of at least 0.1% for at least one wavelength in the range extending from 420 to 780 nm, at least one light source and at least one inkjet filter of thickness comprised between 1 and 50 ?m, so as to form at least one colored luminous region, in particular a display, in at least one region of the glass-ceramic substrate.

Abstract: Glass-ceramic plates that may be used to cover or receive at least one heating element of a cooking apparatus, wherein the glass-ceramic plates include a coating comprising at least two contrasted zones. Methods and devices for producing such glass plates and cooking apparatus are provided.

Abstract: The present invention relates to an article comprising at least one glass-ceramic substrate, in particular a plate, intended, for example, to cover or receive at least one heating element, said substrate exhibiting, in at least one zone, a surface roughness such that the characteristic dimensions of the patterns forming said roughness are between 2 and 100 ?m. The present invention also relates to an advantageous process for producing said substrate.

Abstract: A transparent or translucent glass-ceramic plate, capable of covering or receiving at least one underlying heating element. The plate has a coating which at least partly masks the underlying heating element(s), while still allowing the heating element(s) and optional displays to be detected. At least 90% of the coating is on the face of the plate to be turned toward the heating element(s) and optional displays in the use position. The coating has a region or a group of regions known as a background region(s), wherein the background region(s) occupy most of the surface of the coating. The coating also has a region or a group of regions known as indicating region(s), wherein the indicating region(s) making it possible to display, relative to the background region(s), a pattern, a sign and/or the location of functional elements while also making it possible to detect if the elements are in operation.