Lanthanum lutetium oxide phosphor with cerium luminescence
US5213712A · kind A · utility
39Cited by
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2Claims
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Key dates
| Filing date | Feb 10, 1992 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Feb 10, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7767
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphor comprising, an ABO.sub.3 oxide compound wherein A is about 0.002 to 22 atomic percent cerium and up to about 22 atomic percent lanthanum, and B is about 18 to 22 atomic percent of at least one of lutetium or yttrium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.