A glass coating composition may include a glass composition and a nanopowder. The nanopowder may include Zinc Oxide (ZnO) and may be added to a glass composition in 1 to 10 weight (wt %). The glass composition may include 20 to 40 wt % of phosphorus pentoxide (P.sub.2O.sub.5), a total of 15 to 30 wt % of aluminum oxide (Al.sub.2O.sub.3) and zirconium dioxide (ZrO.sub.2), a total of 10 to 30 wt % of sodium oxide (Na.sub.2O) and potassium oxide (K.sub.2O), 10 to 25 wt % of boron trioxide (B.sub.2O.sub.3), and 10 to 15 wt % of zinc oxide (ZnO).

An enamel paste composition includes glass frit; a pigment; and an organic carrier medium; wherein the glass frit includes at least two glass frits including a first glass frit and a second glass frit, and wherein the first glass frit has a larger particle size and a higher glass transition temperature than the second glass frit. Also described is a method of forming an enamel coating by depositing the enamel paste composition on a substrate; and firing the enamel paste to form an enamel coating on the substrate, the enamel coating having a heterogeneous frit microstructure with particles of the first frit embedded in a matrix of second frit.

The present invention relates to a glass-ceramic article comprising at least one substrate, such as a plate, made of glass-ceramic, said substrate being coated in at least one area with at least one enamel coating such that: 1) the enamel has a gloss at 60° of less than 40, 2) the coverage rate of said enamel in said area coated with said coating is 40 to 80%, 3) said enamel comprises pigments in the form of mica and/or aluminum oxide and/or silica particles coated with metal oxides or combinations of metal oxides, 4) said enamel has a roughness Ra greater than or equal to 0.4 μm, 5) said enamel has a roughness Rt greater than 4 μm.

Disclosed is an inkjet ink that is jettable through standard inkjet nozzles, yet creates a non-abrasive non-porous three-dimensional glass structure on a 1-100 micron-scale without the need for additional processes beyond those normally used for the inkjet decoration of glass substrates. Such an inkjet ink can avoid the drawbacks noted above and is described herein.

A wavelength converter includes: a substrate portion; and an optical conversion layer including optical conversion inorganic particles and an inorganic binder portion, wherein the inorganic binder portion includes: an amorphous binder; and granular binder particulates with an average particle size smaller than an average particle size of the optical conversion inorganic particles, and a substrate-side binder particulate concentration ratio RF.sub.S (a ratio of an average volume concentration of the binder particulates in the substrate-side portion with respect to an average volume concentration of the optical conversion inorganic particles in the substrate-side portion) is larger than a non-substrate-side binder particulate concentration ratio RF.sub.O (a ratio of an average volume concentration of the binder particulates in the non-substrate-side portion with respect to an average volume concentration of the optical conversion inorganic particles in the non-substrate-side portion).

Coating liquid used for forming an ultraviolet absorption coating on a surface of an object such as glass and the like, ultraviolet absorption glass arranged with the ultraviolet absorption coating formed by the coating liquid, and a method for preparing the ultraviolet absorption glass. The coating liquid used for forming the ultraviolet absorption coating, the ultraviolet absorption glass and the method for forming the ultraviolet absorption glass, by storing and releasing electrons excited by ultraviolet lights in an ultraviolet absorber, reduce the excited electrons that are gradually accumulated during a process in which the ultraviolet absorber absorbs the ultraviolet lights, thus protecting the ultraviolet absorber and a silicon dioxide matrix, preventing the ultraviolet absorption glass from discoloring or devitrifying, ensuring weather resistance of the ultraviolet absorption coating and ensuring color consistency of the ultraviolet absorption glass.

Provided is an antireflective-film attached transparent substrate having a luminous transmittance of 20% to 84% and a b* value of a transmission color being 5 or smaller under a D65 light source, in which the antireflective film has a luminous reflectance being 1% or lower and a sheet resistance being 10.sup.4 Ω/□ or higher, and in which the antireflective film has a multilayer structure built up of at least two layers, at least one layer is constituted mainly of silicon oxide, and at least another layer is constituted mainly of a mixed oxide of at least one oxide of Mo and W and at least one oxide of Si, Nb, Ti, Zr, Ta, Al, Sn, and In, and has an extinction coefficient at 550 nm being in a range of 0.005 to 3.

A coated solar control glass article includes a transparent substrate provided with a multilayer coating having solar control properties is disclosed. The multilayer coating includes a metal nitride functional layer sandwiched between two transparent dielectric layers. The thickness of the dielectric layer provided above the functional layer is greater than 60 nm and less than 150 nm and the thickness of the dielectric layer provided above the transparent substrate is greater than 10 nm and less than 45 nm. The coated solar control glass article exhibits gold/rose/purple colored reflection on the side opposite to the side provided with the multilayer coating.

A method of diffusing one or more of gold nanoparticles, silver nanoparticles, gold ions, and silver ions, into a solid transparent material, causing it to absorb at least some wavelengths of visible light, UV light, or both, the method comprising: (a) providing a first volume of organic solvent with one or more of gold nanoparticles, silver nanoparticles, gold ions and silver ions, blocked with one or more ligands, suspended in the organic solvent; (b) adding a quantity of the volume of organic solvent to a volume of water; (c) immersing the transparent material in the volume of water; and (d) heating the volume of water with the added organic solvent and the transparent material for a period of time, causing the one or more of gold nanoparticles, silver nanoparticles, gold ions and silver ions to diffuse into the transparent material.

A paste for coating a glass substrate which, after coating, is subjected to firing and chemical strengthening by ion exchange to form an enamel coated, chemically strengthened glass product, the paste containing an organic carrier fluid; a first inorganic frit having a first softening point; and a second inorganic frit having a second softening point,
wherein the softening point of the first inorganic frit is higher than the softening point of the second inorganic frit such that the second inorganic frit can be softened and sintered at a temperature lower than the softening point of the first inorganic frit, and
wherein the first inorganic frit includes an exchangeable ion content which can be ion exchanged to chemically strengthen the first inorganic frit.