Lanthanide oxide fluoride phosphor having cerium luminescence
US5204021A · kind A · utility
18Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 3, 1992 |
| Grant date | Apr 20, 1993 |
| Priority date | — |
| Expiry date | Jan 3, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/777
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphor comprising an effective amount of cerium to provide luminescence, in substantially a lanthanide oxide fluoride compound having a tetragonal crystal form, the lanthanide being from the group consisting of lutetium, gadolinium, yttrium, and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.