ALKALI-DOPED AND ALKALI-FREE BOROALUMINOSILICATE GLASS

摘要

Alkali-doped boroaluminosilicate glasses are provided. The glasses include the network formers SiO2, B2O3, and Al2O3. The glass may, in some embodiments, have a Young's modulus of less than about 65 GPa and/or a coefficient of thermal expansion of less than about 40×10−7/° C. The glass may be used as a cover glass for electronic devices, a color filter substrate, a thin film transistor substrate, or an outer clad layer for a glass laminate.

主权项

1. A glass, the glass comprising: from about 50 mol % to about 70 mol % SiO2; from about 5 mol % to about 20 mol % Al2O3; from about 12 mol % to about 35 mol % B2O3; up to about 5 mol % MgO; up to about 12 mol % CaO; and up to about 5 mol % SrO; and wherein a sum of alkali metal oxide modifiers is less than or equal to about 1 mol %.