LED lighting device for replacing fluorescent tubes
US7510299B2 · kind B2 · utility
268Cited by
36References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2007 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Oct 26, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light tube for replacing fluorescent tubes including a bulb portion and a pair of end caps disposed at opposite ends of the bulb portion, and configured for illumination by a power supply circuit. A plurality of light emitting diodes are disposed inside the bulb portion and in electrical communication with a pair of end caps for illuminating in response to electrical current to be received from the power supply circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.