Fluorescent flat lamp assembly provided with external electrodes and with internal electrodes positioned within spacers inside the flat lamp
US7304430B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2004 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | May 2, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2211/36
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flat lamp is provided, including an upper plate and a lower plate arranged to face each other at a predetermined distance; a plurality of spacers installed between the upper plate and the lower plate to form discharge spaces; a first and second electrodes provided in a stripe form on the outer surface of the upper plate or the lower plate with the respective discharge spaces located thereon; a first and second inner electrodes provided within each of the spacers; and a fluorescent layer formed on each of inner surfaces of the upper and lower plates and each of the outer surfaces of the spacers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.