Organic europlum salt phosphor
US4443380A · kind A · utility
10Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1980 |
| Grant date | Apr 17, 1984 |
| Priority date | — |
| Expiry date | Aug 22, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Rare-earth metal salts of organic carboxylic acids of this invention constitute themselves phosphors which exhibit unusually high luminescence efficiency, excel in chemical and physical stability and weatherability, show high affinity for other chemical substances and promise extensive usefulness in the field of high-performance luminescent products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.