Display apparatus having first and second internal spaces
US5525861A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1993 |
| Grant date | Jun 11, 1996 |
| Priority date | — |
| Expiry date | Apr 30, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2329/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An image display apparatus comprises an envelope internally provided with at least an electron emitting source, a fluorescent material member that emits light upon irradiation with an electron beam emitted from the electron emitting source and a getter that maintains the vacuum inside the envelope, and a vacuum exhaust tube that forms a vacuum inside the envelope, wherein the inside of the envelope is partitioned with a substrate into a first space having at least the electron emitting source and the fluorescent material member and a second space containing at least the getter, and the substrate has a path that communicates both the spaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.