Cold-cathode fluorescent lamp and backlight unit
US7595583B2 · kind B2 · utility
1Cited by
21References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2005 |
| Grant date | Sep 29, 2009 |
| Priority date | — |
| Expiry date | Sep 30, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/305
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cold-cathode fluorescent lamp including a glass bulb and a pair of electrodes which are cylindrical and respectively inserted in two ends of the glass bulb. Two end portions of the glass bulb are substantially circular in transverse cross section, the two end portions respectively corresponding to the inserted pair of electrodes in length. At least part of a middle portion of the glass bulb is flat in transverse cross section, the middle portion corresponding to a space in the glass bulb between the pair of electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.