1. Glass for a display device, which comprises, as represented by mole percentage based on the following oxides, from 61 to 72% of SiO2, from 8 to 17% of Al2O3, from 6 to 18% of Li2O, from 2 to 15% of Na2O, from 0 to 8% of K2O, from 0 to 6% of MgO, from 0 to 6% of CaO, from 0 to 4% of TiO2, and from 0 to 2.5% of ZrO2, and having a total content R2O of Li2O, Na2O and K2O of from 15 to 25%, a ratio Li2OR2O of the Li2O content to R2O of from 0.35 to 0.8, and a total content of MgO and CaO of from 0 to 9%.
2. The glass for a display device according to claim 1, which contains at most 68% of SiO2, at most 15% of Al2O3, at most 16% of Li2O, at most 13% of Na2O, at most 7% of K2O, from 0 to 5% of MgO, from 0 to 5% of CaO, and from 0 to 2% of TiO2, and has R2O of from 16 to 23% and Li2OR2O of at least 0.4.
3. The glass for a display device according to claim 1, which contains at most 70% of SiO2, at most 15% of Al2O3, at least 10% of Li2O, at most 10% of Na2O, and from 0 to 6% of K2O, and has R2O of at most 22% and Li2OR2O of at least 0.6.
4. The glass for a display device according to claim 1, which contains at most 68% of SiO2, at most 15% of Al2O3, at least 12% of Li2O, at most 6% of Na2O, from 0 to 3% of K2O, at least 1% of MgO, from 0 to 2% of CaO, and from 0 to 1% of TiO2, and has R2O of at most 22% and Li2OR2O of at least 0.7.
5. The glass for a display device according to claim 1, which has a fracture toughness value of at least 0.85 MPa\xb7m12.
6. A glass plate made of the glass for a display device as defined in claim 1, produced by a float process or a fusion method.
7. A glass plate for a display device, obtained by subjecting a glass plate made of the glass for a display device as defined in claim 1 to chemical tempering treatment.
8. The glass plate for a display device according to claim 7, wherein the glass plate is produced by a float process or a fusion method, and the surface is a fire polished surface which is not polished.
9. The glass plate for a display device according to claim 7, which has a fracture toughness value of at least 1.0 MPa\xb7m12.
10. A method for producing a glass plate for a display device, which comprises immersing a glass plate made of glass for a display device comprising, as represented by mole percentage based on the following oxides, from 61 to 72% of SiO2, from 8 to 17% of Al2O3, from 6 to 18% of Li2O, from 2 to 15% of Na2O, from 0 to 8% of K2O, from 0 to 6% of MgO, from 0 to 6% of CaO, from 0 to 4% of TiO2, and from 0 to 2.5% of ZrO2, and having a total content R2O of Li2O, Na2O and K2O of from 15 to 25%, a ratio Li2OR2O of the Li2O content to R2O of from 0.35 to 0.8, and a total content of MgO and CaO of from 0 to 9%, in a molten salt to carry out chemical tempering treatment, wherein the molten salt comprises, as represented by mole percentage, from 0 to 7% of LiNO3, from 10 to 100% of NaNO3, and from 0 to 90% of KNO3.
11. The method for producing a glass plate for a display device according to claim 10, wherein the chemical tempering treatment is carried out by immersing the glass plate in the molten salt at a temperature of at most 425\xb0 C. for an immersion time of at most 2 hours.
12. A display device having a cover glass, wherein the cover glass is the glass plate for a display device as defined in claim 7.
13. A portable device provided with the display device as defined in claim 12.
14. A television provided with the display device as defined in claim 12.
15. A touch panel provided with the display device as defined in claim 12.
16. A chassis for a display device, in which a display device is contained, which has the glass plate for a display device as defined in claim 7.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A shoe rack for hanging on an upright surface to receive and store shoes, said shoe rack comprising:
first and second opposed side frame members, each said side frame member having a main body section and a plurality of support arms projecting outwardly therefrom, wherein each support arm has a first end joined to said main body section and a second end opposite said first end;
a plurality of shoe retaining bars extending between said first ends of the support arms on the opposed side frame members and between said second ends of the support arms on the opposed side frame members, said bars being arranged in pairs on each pair of arms to receive and hold shoes on each pair of bars; and
at least one tab extending upwardly from each of said arms at a location offset from and between said first and second ends to provide a side barrier resisting lateral displacement of shoes off of said bars.
2. A shoe rack as set forth in claim 1, including a second tab extending upwardly from each of said arms at a location offset from said one tab and offset from and between said first and second ends, said second tab cooperating with said one tab to provide a side barrier resisting lateral displacement of shoes off of said bars.