Phosphor and plasma display panel
US7452485B2 · kind B2 · utility
2Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2005 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Feb 20, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J11/42
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are a phosphor in which prevention of aging deterioration of luminance and prevention of deterioration of discharging characteristics are compatible, a method of manufacturing the phosphor, and a plasma display panel manufactured by using the phosphor. A phosphor of the invention containing Mn as an activator is one with Mn serving as a major emission, wherein a ratio of an activator concentration in a superficial portion of a phosphor particle to an activator concentration inside the phosphor particle is 0.3-0.7.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.