A glass frit for forming a black enamel coating includes Si at 6.5 mol % to 6.9 mol %, B at 9.0 mol % to 9.3 mol %, Bi at 13.0 mol % to 13.4 mol %, Zn at 6.0 mol % to 6.3 mol %, and Al at 1.5 mol % to 2.0 mol %, and Co, Ni, and Fe, wherein a total amount of Co, Ni, and Fe is 2.9 mol % to 3.5 mol % of the glass frit in a molar ratio.

An insulator-coated soft magnetic powder includes a plurality of particles each including a core which contains a soft magnetic material, and an insulating layer which is provided on the surface of the core and contains a glass material including Bi.sub.2O.sub.3 as a main component. The content of an alkali metal in the insulating layer is 5 mol % or less. The glass material further contains at least one of ZnO and B.sub.2O.sub.3. The content of Bi.sub.2O.sub.3 in the glass material is 40 mol % or more and 80 mol % or less.

A glass or glass ceramic element for household and/or heating appliances is provided. The element includes a transparent glass or glass ceramic substrate and a coating. The substrate has a main surface. The coating is on at least a portion of the main surface. The coating is a glass-based coating that includes a pigment and a filler. The pigment includes an IR-reflecting material and the filler has a specific molar heat capacity of not more than 5 mJ/(mol.Math.K).

A substrate for flexible device. The substrate has a nickel-plated metal sheet having a nickel-plating layer formed on at least one surface of a metal sheet or a nickel-based sheet, and a glass layer of an electrically-insulating layered bismuth-based glass on a surface of the nickel-plating layer or the nickel-based sheet. An oxide layer having a roughened surface is formed on the surface of the nickel-plating layer or the surface of the nickel-based sheet, and the bismuth-based glass contains 70 to 84% by weight of Bi.sub.2O.sub.3, 10 to 12% by weight of ZnO, and 6 to 12% by weight of B.sub.2O.sub.3. Also disclosed is a method for producing the substrate for flexible device, a substrate for an organic EL device, a sheet used as a substrate for flexible device, a method for producing the sheet and a bismuth-based lead-free glass composition.

Modified copper chromite spinel pigments exhibit lower coefficients of thermal expansion than unmodified structures. Three methods exist to modify the pigments: (1) the incorporation of secondary modifiers into the pigment core composition, (2) control of the pigment firing profile, including both the temperature and the soak time, and (3) control of the pigment core composition.

A colored glass sheet of aluminosilicate composition chemically strengthened by ion exchange, includes the following oxides in the weight content ranges defined below: SiO.sub.2 between 59.20 and 68.00%; Al.sub.2O.sub.3 between 2.00 and 8.00%; MgO between 6.00 and 9.00% when the Al.sub.2O.sub.3 content is between 5.00 and 8.00% and when the SiO.sub.2/Al.sub.2O.sub.3 ratio is greater than or equal to 7.8 or between 8.00 and 10.00% when the Al.sub.2O.sub.3 content is between 2.00 and 5.00% and when the SiO.sub.2/Al.sub.2O.sub.3 ratio is greater than or equal to 24; Na.sub.2O between 9.00 and 16.00%; K.sub.2O between 5.00 and 11.00%; B.sub.2O.sub.3 between 0 and 3.00%; CaO between 0 and 1.00%; and the following coloring agents in the weight content ranges defined below: Fe.sub.2O.sub.3 total between 0.05 and 6.00%; CoO between 0 and 2.00%; NiO between 0 and 1.00%; Se between 0 and 0.10%, and the glass having a redox factor of between 0.10 and 0.65.

A substrate for flexible device. The substrate has a nickel-plated metal sheet having a nickel-plating layer formed on at least one surface of a metal sheet or a nickel-based sheet, and a glass layer of an electrically-insulating layered bismuth-based glass on a surface of the nickel-plating layer or the nickel-based sheet. An oxide layer having a roughened surface is formed on the surface of the nickel-plating layer or the surface of the nickel-based sheet, and the bismuth-based glass contains 70 to 84% by weight of Bi.sub.2O.sub.3, 10 to 12% by weight of ZnO, and 6 to 12% by weight of B.sub.2O.sub.3. Also disclosed is a method for producing the substrate for flexible device, a substrate for an organic EL device, a sheet used as a substrate for flexible device, a method for producing the sheet and a bismuth-based lead-free glass composition.

Disclosed herein are sealed devices comprising a first substrate, a second substrate, an inorganic film between the first and second substrates, and at least one weld region comprising a bond between the first and second substrates. The weld region can comprise a chemical composition different from that of the inorganic film and the first or second substrates. The sealed devices may further comprise a stress region encompassing at least the weld region, in which a portion of the device is under a greater stress than the remaining portion of the device. Also disclosed herein are display and electronic components comprising such sealed devices.

A bismuth-based lead-free glass composition containing 70 to 84% by weight of Bi.sub.2O.sub.3, 10 to 12% by weight of ZnO, and 6 to 12% by weight of B.sub.2O.sub.3.

A method includes depositing a glass frit on sidewalls of a plurality of cavities of a shaped article formed from a glass material, a glass ceramic material, or a combination thereof. The glass frit is heated to a firing temperature above a glass transition temperature of the glass frit to sinter the glass frit into a glaze disposed on the sidewalls of the plurality of cavities.