Flat fluorescent lamp having a luminescent surface with a diffusion groove
US5461279A · kind A · utility
15Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 1993 |
| Grant date | Oct 24, 1995 |
| Priority date | — |
| Expiry date | Sep 9, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/305
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flat fluorescent lamp which comprises first and second glass plates and at least one spacer interposed between the glass plates, the spacer projecting in the form of a rib from an inner surface of at least one of the two glass plates toward the other glass plate, the first glass plate being formed in a luminescent surface thereof with a diffusion groove positioned in corresponding relation to the spacer and V-shaped or curved in cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.