Plasma display apparatus, fluorescent material, and fluorescent material manufacturing method
US6960309B2 · kind B2 · utility
6Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2002 |
| Grant date | Nov 1, 2005 |
| Priority date | — |
| Expiry date | Sep 11, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J11/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention inhibits water adsorption onto the surface of a blue phosphor, decreases luminance degradation and chromaticity shift of a phosphor, or improves discharge characteristics thereof. The blue phosphor is a compound represented by Ba1-xMgAl10O17:Eux or Ba1-x-ySryMgAl10O17:Eux, wherein 0.03≦x≦0.25 and 0.1≦y≦0.5, and containing at least one of Ti, Zr, Hf, Si, Ge, Sn, and Ce substituting for part of one of elements Al and Mg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.