Microtip display device having a current limiting layer and a charge avoiding layer
US5717285A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1996 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | Mar 19, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2329/863
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathodoluminescent anode is formed on an insulating substrate, while on another insulating substrate are formed cathode conductors, an insulating layer, a grid layer used for the formation of grids, holes in the insulating layer and the grid layer and microtips in the holes. Moreover, a thin insulating layer is formed on the grid layer in order to limit the current liable to flow between the anode and the grids. Another thin layer or film is formed on the thin insulating layer that is sufficiently conductive or resistive to prevent disturbance by the thin electrically insulating layer, of the electric field created between the microtips and the grids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.