LaMg Aluminate phosphors activated by europium and lamps incorporating same
US4249108A · kind A · utility
12Cited by
1References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1979 |
| Grant date | Feb 3, 1981 |
| Priority date | — |
| Expiry date | Nov 30, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7792
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A blue emitting La Mg aluminate phosphor activated by Eu and having a multiphase structure, exhibits improved brightness over prior art single phase compositions, and also exhibits high maintenance, making such phosphor useful either alone or in combination with other phosphors in fluorescent lamps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.