Glass composition, light source device and illumination device
US8536787B2 · kind B2 · utility
4Cited by
1References
8Claims
0Family size
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Key dates
| Filing date | Apr 19, 2011 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Apr 19, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/853
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A glass composition including, in oxide-based mol %: (a) at least 30% and at most 50% P2O5, (b) at least 10% and at most 50% ZnO, (c) at least 0.1% and at most 10% Al2O3, (d) at least 0% and at most 50% Li2O, (e) at least 0% and at most 50% Na2O, (f) at least 0% and at most 50% K2O, (g) at least 0% and at most 20% MgO, (h) at least 0% and at most 20% CaO, (i) at least 0% and at most 20% SrO, (j) at least 0% and at most 20% BaO, (k) at least 0% and at most 20% SnO, and (l) at least 0% and at most 5% B2O3, substantially not comprising ZrO2 and Ag2O, and (a)/(b), the ratio of (a) and (b), being at least 0.2 and at most 2.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.