Abstract: An article includes a glass ceramic that has an amorphous silicate glass phase and a crystalline phase including a species of MxWO3 with 0<x<1 and M an intercalated dopant cation. The article further includes an aperture configured to be formed via local heating of a portion of the glass ceramic to a temperature that is above the softening point of the glass ceramic. The aperture comprises constituents of the silicate glass phase and the crystalline phase but is substantially free of the species of MxWO3. A ratio of a transmittance of the aperture to a transmittance of the glass ceramic not subject to the local heating is at least 6,000 with transmittance measured in %/mm at wavelengths from 500 nm to 1100 nm.

Abstract: A glass-ceramic includes glass and crystalline phases, where the crystalline phase includes non-stoichiometric suboxides of titanium, forming ‘bronze’-type solid state defect structures in which vacancies are occupied with dopant cations.

Abstract: Manufacturing glass ceramic materials comprises ceramming a glass to grow a crystalline tungsten bronze phase comprising nanoparticles having a formula MxWO3, where M includes a dopant cation, and where 0<x<1.

Abstract: A glass-ceramic includes glass and crystalline phases, where the crystalline phase includes non-stoichiometric suboxides of titanium, forming ‘bronze’-type solid state defect structures in which vacancies are occupied with dopant cations.

Abstract: A glass-ceramic that includes: SiO2 from 40 mol % to 80 mol %; Al2O3 from 3 mol % to 20 mol %; B2O3 from 3 mol % to 50 mol %; WO3 plus MoO3 from 1 mol % to 18 mol %; Fe2O3 plus MnO2 from 0.1 mol % to 2 mol %; and R2O from 0 mol % to 15 mol %. The R2O is one or more of Li2O, Na2O, K2O, Rb2O and Cs2O. Further, R2O—Al2O3 ranges from ?12 mol % to +4 mol %.

Abstract: A glass composition is provided including greater than or equal to 55 mol % and less than or equal to 68 mol % SiO2; greater than or equal to 8 mol % to less than or equal to 18 mol % Al2O3; greater than or equal to 5 mol % to less than or equal to 15 mol % Li2O; greater than or equal to 0.0001 mol % to less than or equal to 0.5 mol % Au; and greater than or equal to 0.001 mol % to less than or equal to 1 mol % Ag. The glass composition may be used to produce a glass-based article. The glass-based article may be colored.

Abstract: A method of bleaching a glass-ceramic article is disclosed. The method includes irradiating a first portion of a bulk of the glass-ceramic article by directing a beam from a laser into a thickness of the bulk to heat the first portion and form a first aperture therein. The bulk is configured to have an amorphous silicate glass phase. a crystalline phase. and a bulk transmittance. The first aperture is configured to have a first transmittance that is greater than the bulk transmittance at first wavelengths from about 350 nm to about 2500 nm. The beam from the laser is configured to include a bleaching wavelength selected from a laser wavelength band within which residual absorption persists in the aperture after the irradiating at the bleaching wavelength.

Abstract: A colored glass article includes from 40 mol % to 70 mol % SiO2; from 8 mol % to 20 mol % Al2O3; from 1 mol % to 10 mol % B2O3; from 1 mol % to 20 mol % Li2O; from 1 mol % to 15 mol % Na2O; from 0 mol % to 8 mol % MgO; from 0 mol % to 5 mol % ZnO; and from 0.0005 mol % to 1 mol % Au. MgO+ZnO is from 0.1 mol % to 6 mol %.

Abstract: Devices, apparatuses, and methods are disclosed that include a glass or glass ceramic substrate with a bleached region and an unbleached region. Examples include a substrate with a region that transmits IR wavelength light, and a region that is substantially opaque to IR light. Examples include additional opacity in some or all regions to visible wavelength light and/or UV wavelength light.

Abstract: A glass-ceramic that includes: 5 mol %?Al2O3?40 mol %; 30 mol %?B2O3?60 mol %; 10 mol %?WO3?50 mol %; 0 mol %?SnO2?5 mol %; and 1 mol %?R2O?30 mol %, wherein R2O is one or more of Li2O, Na2O, K2O, Rb2O, and Cs2O. Further, the glass-ceramic can be silica-free and, in some cases, can have a thickness from about 0.05 mm to about 0.5 mm and one or more of: (a) a total transmittance of less than or equal to 4% at ultraviolet (UV) wavelengths below 400 nm and (b) a total transmittance from about 0.5% to about 4% in the near-infrared (NIR) spectrum from 700 nm to 1500 nm.

Abstract: A glass composition is provided wherein the composition exhibits wavelength independent scattering of visible light. The glass composition may comprise a spontaneously opalizing glass composition. The glass composition may comprise a fusion formable ceramic glass composition. The glass composition comprises crystals having a size greater than or equal to 1 ?m. A targeted total transmittance value of the glass composition is 50% to 80%. The glass composition is configured for use as a light diffuser for a backlit display panel. The glass composition is configured such that the light diffuser appears white in transmission. A light diffuser for a backlit display panel is provided. The light diffuser may comprise a laminate comprising a core layer comprising a clear glass, and a clad layer comprising a fusion formable ceramic glass composition. The laminate may comprise a double fusion laminate.

Abstract: Methods for manufacturing glass articles having a target effective coefficient of thermal expansion CTETeff averaged over a temperature range comprise selecting a glass core composition having an average core glass coefficient of thermal expansion CTEcore that is greater than the target effective CTETeff and a glass clad composition having an average clad glass coefficient of thermal expansion CTEclad that is less than the target effective CTETeff; and manufacturing a glass laminate comprising a glass core layer formed from the glass core composition and two or more glass cladding layers fused to the glass core layer, each of the two or more glass cladding layers formed from the glass clad composition such that a ratio of a thickness of the glass core layer to a total thickness of the two or more glass cladding layers is selected to produce the glass laminate having an effective coefficient of thermal expansion CTEeff that is within ±0.5 ppm/° C. of the target effective CTETeff.

Abstract: A glass composition includes from 50 mol % to 80 mol % SiO2; from 5 mol % to 15 mol % Al2O3; from 10 mol % to 25 mol % B2O3; greater than or equal to 0 mol % Li2O; greater than or equal to 0 mol % Na2O; greater than or equal to 0 mol % K2O; greater than or equal to 0 mol % Rb2O; greater than or equal to 0 mol % Cs2O; from 1.5 mol % to 5 mol % MgO; from 4 mol % to 12 mol % CaO; and from 0.5 mol % to 5 mol % SrO. R2O is from 0.1 mol % to 15 mol %, R2O being the sum of Li2O, Na2O, K2O, Rb2O, and Cs2O.

Abstract: A colored glass article may include 50-80 mol % SiO2; 7-20 mol % Al2O3; 1-35 mol % R2O, wherein R2O comprises at least one of Li2O, Na2O, and K2O; 1×10?6-10 mol % of a colorant, wherein the colorant comprises at least one of Cr2O3, Au, Ag, CuO, NiO, Co3O4, TiO2, CeO2; and 12-24 mol % of Al2O3+MgO+CaO+ZnO. The colored glass article may have a transmittance color coordinate in the CIELAB color space with an L*value of 55 to 96.5. The colored glass article may have a compressive stress profile with a depth of compression ?0.15t a thickness t from 0.4 mm-5 mm, a compressive stress ?200 MPa, and a central tension ?60 MPa. The colored glass article may have a dielectric constant from 5.6 to 6.4 over the frequency range from 10 GHz to 60 GHz.

Abstract: Glazing, such as for vehicles, includes a sheet of glass-ceramic that has different regions with different transmission properties, including a first visually clear region that blocks infrared, a second visually clear region that allows transmission of infrared, and a third colored region.

Abstract: Methods for manufacturing glass articles having a target effective coefficient of thermal expansion CTETeff averaged over a temperature range comprise selecting a glass core composition having an average core glass coefficient of thermal expansion CTEcore that is greater than the target effective CTETeff and a glass clad composition having an average clad glass coefficient of thermal expansion CTEclad that is less than the target effective CTETeff; and manufacturing a glass laminate comprising a glass core layer formed from the glass core composition and two or more glass cladding layers fused to the glass core layer, each of the two or more glass cladding layers formed from the glass clad composition such that a ratio of a thickness of the glass core layer to a total thickness of the two or more glass cladding layers is selected to produce the glass laminate having an effective coefficient of thermal expansion CTEeff that is within ±0.5 ppm/° C. of the target effective CTETeff.

Abstract: A colored glass article may include 50-80 mol % SiO2; 7-20 mol % Al2O3; 1-35 mol % R2O, wherein R2O comprises at least one of Li2O, Na2O, and K2O; 1×10?6-10 mol % of a colorant, wherein the colorant comprises at least one of Cr2O3, Au, Ag, CuO, NiO, Co3O4, TiO2, CeO2; and 12-24 mol % of Al2O3+MgO+CaO+ZnO. The colored glass article may have a transmittance color coordinate in the CIELAB color space with an L* value of 55 to 96.5. The colored glass article may have a compressive stress profile with a depth of compression ?0.15 t a thickness t from 0.4 mm-5 mm, a compressive stress ?200 MPa, and a central tension ?60 MPa. The colored glass article may have a dielectric constant from 5.6 to 6.4 over the frequency range from 10 GHz to 60 GHz.

Abstract: Glazing, such as for vehicles, includes a sheet of glass-ceramic that has different regions with different transmission properties, including a first visually clear region that blocks infrared, a second visually clear region that allows transmission of infrared, and a third colored region.

Abstract: A colored glass article includes greater than or equal to 50 mol % and less than or equal to 80 mol % SiO2; greater than or equal to 7 mol % and less than or equal to 25 mol % Al2O3; greater than or equal to 1 mol % and less than or equal to 15 mol % B2O3; greater than or equal to 5 mol % and less than or equal to 20 mol % Li2O; greater than or equal to 0.5 mol % and less than or equal to 15 mol % Na2O; greater than 0 mol % and less than or equal to 1 mol % K2O; and greater than or equal to 1×10?6 mol % and less than or equal to 1 mol % Au. R2O—Al2O3 is greater than or equal to ?5 mol % and less than or equal to 7 mol %, R2O being the sum of Li2O, Na2O, and K2O.

Abstract: A glass-ceramic includes a silicate-containing glass and crystals within the silicate-containing glass. The crystals include non-stoichiometric tungsten and/or molybdenum sub-oxides, and the crystals are intercalated with dopant cations.