Display apparatus with coated phosphor, and method of making same
US5838118A · kind A · utility
2Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1996 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Mar 28, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J63/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Coating phosphor (typically particles) with a thin layer of Si, Ti, Al, Zr, In or Sn-containing material can result in significantly improved lifetime of the phosphor. A preferred coating technique involves exposing the phosphor to an alkoxide (e.g., TEOS) solution having ph>7, preferably >9 or 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.