Flat display screen anode with protection ring for collecting secondary electrons
US5903108A · kind A · utility
9Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1997 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | May 5, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/085
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a flat display screen anode of the type including an active area having phosphor elements, the active area being surrounded with at least one track in a material having a secondary emission coefficient lower than or equal to one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.