Lens for light emitter, light source module, lighting device, and lighting system
US9841161B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2015 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Mar 4, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is provided a lens for a light emitter which includes: a bottom surface; an incident surface connected to the bottom surface at a central region of the bottom surface and disposed on or above a light source to allow light emitted from the light source to be made incident thereto and travel in an interior of the lens; and an output surface connected to the bottom surface at an edge of the bottom surface and configured to allow the light which has traveled in the interior of the lens to be emitted outwardly therefrom, wherein the central region of the bottom surface protrudes with respect to the other region of the bottom surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.