Yellow-emitting phosphor blend for electroluminescent lamps
US7452483B2 · kind B2 · utility
2Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2006 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | May 17, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/77347
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphor blend for an electroluminescent lamp is described that comprises a green-emitting electroluminescent phosphor and a red-emitting photoluminescent phosphor, the blend exhibiting an x color coordinate from 0.220 to 0.350 and a y color coordinate from 0.450 to 0.475 when stimulated by an electric field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.