LED bulb
US7168839B2 · kind B2 · utility
15Cited by
14References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2004 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Mar 4, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A LED bulb and light module utilizes a LED light source and directs light therefrom in a manner which improves efficiency and illumination. Ideally, the LED bulb is structured to create a virtual image whereby the efficiency of light directed out of the module is greatly improved, even with a single LED light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.