Light emitting diode (LED) light bulbs
US6948829B2 · kind B2 · utility
438Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2004 |
| Grant date | Sep 27, 2005 |
| Priority date | — |
| Expiry date | Feb 20, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting diode (LED) light bulb that includes plural individual elements as sub-assembly elements of the overall light bulb. Different sub-assembly elements of a lens, a LED printed circuit board, a housing also functioning as a heat sink, a lower housing, and other individual sub-assembly components are utilized. The LED printed circuit board sub-assembly containing the LEDs can also be provided relatively close to a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.