Lighting device
US9222661B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2013 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Jun 21, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device may be provided that includes: a heat sink which includes a base and a projection extending from the base and having one side; a light source which includes a substrate disposed on the one side of the projection and a light emitting device disposed on the substrate; an optical plate disposed on the light emitting device; a driving part which is disposed on the base and is electrically connected to the light source; and a housing which receives the heat sink, the light source, the optical plate and the driving part, wherein the one side of the projection is disposed between a first point and a second point, wherein the first point indicates a half of the overall height of the housing, and wherein the second point indicates a minimum interval of 5 mm between the light emitting device and the optical plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.