Phosphor panel with stabilizer
US7304317B2 · kind B2 · utility
4Cited by
18References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2006 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | May 17, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B42/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Phosphor-containing panels or screens have improved resistance to yellowing and image defects by the incorporation of a primary or secondary amine having a pKa of 8.5 or more and a molecular weight of less than 10,000 daltons into the phosphor layer or an overcoat layer. A peroxide scavenger can also be present to further improve stability of the phosphor panel. The phosphors are preferably storage phosphors containing iodine. This phosphor panels can be prepared using non-peroxide-generating organic solvents for further stabilization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.