Ion pumping of a flat microtip screen
US6107745A · kind A · utility
5Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1998 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | Jun 25, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/94
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flat microtip display screen including a cathode provided with active areas of electron emission microtips; a cathodoluminescent anode provided, at least in front of the active microtip areas, with active areas of phosphor elements; a main grid of extraction of electrons emitted by the active microtips towards the phosphor elements; and on the cathode side, at least one sacrificial area of microtips adapted to being addressed, outside screen operation periods and independently from the active areas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.