LED lantern with fresnel lens
US7252405B2 · kind B2 · utility
15Cited by
26References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2006 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Jul 10, 2026 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device having a plurality of LEDs mounted on a heat sink that serves to transfer heat from the LEDs to the outside environment. The lighting device is positioned within a fresnel lens to produce a distribution of light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.