Lithium containing glasses

1. A glass article comprising, on an oxide basis:

from greater than or equal to 65 mol% to less than or equal to 74 mol% SiO 2 ;

from greater than or equal to 7 mol% to less than or equal to 12 mol% Al 2 O 3 ;

from greater than or equal to 5 mol% to less than or equal to 16 mol% B 2 O 3 ;

from greater than or equal to 0 mol% to less than or equal to 4 mol% Na 2 O;

from greater than or equal to 0 mol% to less than or equal to 5 mol% P 2 O 5 ;

from greater than or equal to 5 mol% to less than or equal to 11 mol% Li 2 O; and

from greater than or equal to 0.5 mol% to less than or equal to 6.5 mol% divalent cation oxides, wherein a molar ratio of Al 2 O 3 :(R 2 O+RO) is greater than or equal to 0.9, where R 20 is a sum of alkali metal oxides in mol% and RO is a sum of divalent cation oxides in mol%.

2. The glass article of claim 1 , wherein the glass article comprises a molar ratio of Li 2 O:R 2 O greater than or equal to 0.4,where R 2 O is a sum of alkali metal oxides in mol%.

3. The glass article of claim 1 , wherein the glass article comprises greater than or equal to 80 mol% Al 2 O 3 +SiO 2 +B 2 O 3 +P 2 O 5 .

4. The glass article of claim 1 , wherein the glass article comprises from greater than or equal to 0.5 mol% to less than or equal to 2 mol% SrO.

5. The glass article of claim 1 , wherein the glass article comprises from greater than or equal to 0 mol% to less than or equal to 6.5 mol% MgO.

6. The glass article of claim 1 , wherein the glass article comprises from greater than or equal to 0 mol% to less than or equal to 5 mol% CaO.

7. The glass article of claim 1 , wherein the glass article comprises from greater than or equal to 0 mol% to less than or equal to 2 mol% ZnO.

8. The glass article of claim 1 , wherein the glass article comprises from greater than or equal to 0 mol% to less than or equal to 0.2 mol% SnO 2 .

9. The glass article of claim 1 , wherein the glass article has a liquidus viscosity of less than or equal to 300 kP.

10. The glass article of claim 1 , wherein the glass article is strengthened by an ion exchange process, such that a compressive stress layer is formed on at least one surface of the glass article.

11. The glass article of claim 10 , wherein a depth of compression is greater than or equal to 0.15 t, where t is a thickness of the glass article.

12. The glass article of claim 10 , wherein a depth of compression (DOC) is from greater than or equal to 0.15 t to less than or equal to 0.25 t, where t is a thickness of the glass article.

13. The glass article of claim 10 , wherein the glass article has a central tension from greater than or equal to 30 MPa to less than or equal to 100 MPa.

14. The glass article of claim 1 , wherein the glass article is strengthened by an ion exchange process that adds potassium ions to the glass article and a potassium depth of layer (DOL) is from greater than or equal to 5μm to less than or equal to 30 μm.

15. The glass article of claim 14 , wherein a compressive stress layer has a compressive stress at its surface from greater than or equal to 300 MPa to less than or equal to 950 MPa.

16. The glass article of claim 14 , wherein the glass article has a Knoop Scratch Lateral Cracking Threshold of greater than or equal to 5 N to less than or equal to 24 N.

17. The glass article of claim 14 , wherein the glass article has an Indentation Fracture Threshold of greater than or equal to 15 kgf.

18. A consumer electronic product, comprising:

a housing having a front surface, a back surface, and side surfaces;

electrical components provided at least partially within the housing, the electrical components including at least a controller, a memory, and a display, the display being provided at or adjacent to the front surface of the housing; and

and a cover substrate disposed over the display, wherein at least one of a portion of the housing or the cover substrate comprises the glass article of claim 1 .