Lighting device
US9927074B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2015 |
| Grant date | Mar 27, 2018 |
| Priority date | — |
| Expiry date | May 1, 2036 |
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 base; a substrate disposed on the base and comprising a top surface; a plurality of light emitting devices disposed on the top surface of the substrate; a member comprising a housing portion and an inner portion disposed inside the housing portion; and a optical plate disposed on the plurality of light emitting devices and the inner portion, wherein: the housing portion is disposed on the base and coupled to the base, the inner portion comprises a sloped surface forming an obtuse angle with the top surface of the substrate, the housing portion comprises an upper part and a lower part, an outer diameter of the upper part is greater than an outer diameter of the lower part, the housing portion comprises an outer surface, and the housing portion comprises a projection part extending from the outer surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.