Lighting device
US8308319B2 · kind B2 · utility
6Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2011 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Aug 11, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device includes a light source unit having a substrate and a light emitting diode disposed on the substrate, a heat sink having an inner surface on which the light source unit is disposed and at least one opening, and a top plate being disposed on the heat sink and having a reflective surface which reflects light from the light source unit in a particular direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.