Fluorescent display device
US4899081A · kind A · utility
23Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1988 |
| Grant date | Feb 6, 1990 |
| Priority date | — |
| Expiry date | Sep 30, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J31/15
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fluorescent display device capable of eliminating a display defect and exhibiting high luminance to improve quality of a luminous display and provide the display with good visibility. The fluorescent display device is the plane grid type and includes, in place of mesh-like grids, plane grids of a three-layer structure comprising metal film sections, insulating layer sections and conductive layer sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.