Phosphors containing boron and metals of Group IIIA and IIIB
US7128849B2 · kind B2 · utility
267Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2003 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Jul 15, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7797
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphor comprises: (a) at least a first metal selected from the group consisting of yttrium and elements of lanthanide series other than europium; (b) at least a second metal selected from the group consisting of aluminum, gallium, indium, and scandium; (c) boron; and (d) europium. The phosphor is used in light source that comprises a UV radiation source to convert UV radiation to visible light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.