A chemically strengthened glass ceramic includes strengthening layers respectively formed on opposite sides, and each of the strengthening layers includes a potassium strengthening layer and a sodium strengthening layer sequentially located from a surface to an inside of the chemically strengthened glass ceramic. A depth of the potassium strengthening layer is 0.01 micrometers (?m) to 5 ?m. A depth of the sodium strengthening layer is greater than or equal to 0.1t, where t is a thickness of the chemically strengthened glass ceramic. An average transmittance of a three-dimensional (3D) chemically strengthened glass ceramic in an optical wavelength range of 400 nanometers (nm) to 700 nm is greater than or equal to 85 percent %; a b value of a Lab color chromaticity indicator is greater than or equal to ?2.0; and a haze is less than or equal to 0.25%.

Provided is glass with high temperature stability, a low coefficient of thermal expansion and a high mechanical strength, a light guide plate including the glass to replace the conventional PMMA and metal frame, and fabricating methods thereof. The glass according to the present disclosure is borosilicate glass containing 7585 wt % of SiO.sub.2, 515 wt % of B.sub.2O.sub.3, 05 wt % of Al.sub.2O.sub.3, R.sub.2O 17 wt % where R is at least one of Li, Na and K, and <0.005 wt % of Fe.sub.2O.sub.3 and having the redox ratio 0.5 or more. This glass maintains luminance and has an excellent color difference reduction effect when used in a light guide plate.

A glass composition for producing chemically strengthened alkali-aluminosilicate glass and a method for manufacturing the chemically strengthened alkali-aluminosilicate glass. The chemically strengthened alkali-aluminosilicate glass is suitable for use as high-strength cover glass for touch displays, solar cell cover glass and laminated safety glass, and is produced in a shorter amount of time.

A glass composition for producing chemically strengthened alkali-aluminosilicate glass and a method for manufacturing the chemically strengthened alkali-aluminosilicate glass. The chemically strengthened alkali-aluminosilicate glass is suitable for use as high-strength cover glass for touch displays, solar cell cover glass and laminated safety glass.

A glass sheet forming and annealing system disclosed provides control of edge stresses by maintaining a press formed glass sheet on an annealing ring (72) below a heated upper forming mold (58) within a forming station (12) for slow cooling toward the glass strain point temperature.

A material includes a substrate with a thin-film multilayer coated on at least one surface of the substrate, the thin-film multilayer including at least two films based on a transparent electrically conductive oxide. The at least two films are separated by at least one dielectric intermediate film having a physical thickness of at most 50 nm. No metal films is deposited between the at least two films based on a transparent electrically conductive oxide. The thin-film multilayer further includes at least one oxygen barrier film located above the film located furthest from the substrate of the at least two films based on a transparent electrically conductive oxide. Each film of the at least two films based on a transparent electrically conductive oxide has a physical thickness in a range of from 20 to 80 nm.

There is provided a functional glass article having high abrasion resistance. The functional glass article comprising: a glass substrate having a first face and a second face on a back face of the first face; and a plurality of particles arranged on the first face and made of a material having a Mohs hardness of 7 or higher, each of the plurality of particles having a particle diameter of 1 nm or more and 300 nm or less, and the plurality of particles including a particle located partly inside the glass substrate, the first face with the plurality of particles having a higher Martens hardness by 150 N/mm.sup.2 or more than a Martens hardness of the second face.

A method for producing a glass article from a glass member including a glass substrate including a first main surface, a second main surface and an end face, and an irregular layer formed in at least one of main surfaces, includes forming an irregular layer having a glass transition point Tg which is equal to or lower than a glass transition point in a central part of the glass member in a thickness-direction sectional view and performing a heat treatment on the glass member so as to have an equilibrium viscosity in the central part of the glass member in thickness-direction sectional view of 10.sup.17 Pa.Math.s or lower.

A method of processing a glass substrate including texturing the glass substrate to form a textured surface that includes a plurality of micro fractures extending from the textured surface into the substrate. And, thereafter, chemically etching the textured surface of the glass substrate to a depth sufficient to remove the micro fractures. The glass substrate can then be chemically strengthened after the etching step.

A method for producing a bent glass article includes a heat treatment step of heat-treating a bent glass. The bent glass includes a first main stir-face, a second main surface and an end face. In the heat treatment step, the bent glass is supported by a support jig with one of the main surfaces facing downward. The support jig supports at least a part of one of the main surfaces or the end face in a higher position than the lowest position of one of the main surfaces.