Low-velocity electron excited phosphor
US5520847A · kind A · utility
2Cited by
1References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1994 |
| Grant date | May 28, 1996 |
| Priority date | — |
| Expiry date | May 24, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/642
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A low-velocity electron excited phosphor having a composition represented by a general formula ZnO.multidot.(Al.sub.x, Ga.sub.l-x).sub.2 O.sub.3 :Mn, wherein X=0.001 to 0.3 mol. A content of Al in the phosphor is set be to within a range between 0.001 mol and 0.3 mol. The range permits a variation in luminance of the phosphor to be within .+-.30% and initial luminance of the phosphor to be significantly increased, resulting in the phosphor being suitable for use for a fluorescent display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.