Lighting device having forward directed heat sink assembly
US7513660B2 · kind B2 · utility
32Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2007 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Jun 20, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A headlamp lighting device is provided that allows for the adjustment of the size of the light beam and forward heat dissipation. The lighting device includes a housing, a light source provided on the housing for generating a light beam, and an optical focus lens disposed in the path of the light beam for focusing the light beam. The lighting device also includes a lens ring supporting the optical focus lens to move the focus lens relative to the light source to adjust size of the light beam. The lens ring also serves as an outer heat sink in thermal conductive relationship with an inner heat sink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.