Lighting system
US8414164B2 · kind B2 · utility
14Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2009 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | May 26, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/15
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spotlight is provided with a substrate having LEDs disposed thereon and a main body casing on which the substrate is provided. The main body casing has a rear side portion having thermal conductivity, which is thermally coupled to the substrate, and is capable of changing the irradiation angle of light emitted from the LEDs. A plurality of heat-radiating fins for forming grooves operating as a plurality of convection paths along the direction of changing the irradiation angle are provided on the rear side portion of the main body casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.