Patent · US Active

Glass for display device and glass plate

US8691711B2 · kind B2 · utility

44Cited by

5References

36Claims

0Family size

Assignee

ASAHI GLASS CO., LTD. · JP

Inventors

Tetsuya Nakashima · Tokyo, JP
Seiki Ohara · Tokyo, JP
Tatsuo Nagashima · Anjo, JP

Key dates

Filing date	May 25, 2011
Grant date	Apr 8, 2014
Priority date	—
Expiry date	Jun 21, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C21/002
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

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 Li2O/R2O 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%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.