Light source module and lighting device having the same
US10073210B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2015 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Dec 9, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided are a light source module capable of providing a line shaped beam with various effects using optical patterns of both sides of a light guide layer optical pattern, and a lighting device having the light source module. The light source module, including: a first optical layer having a first surface, a second opposite to the first surface, and a first optical pattern on the first surface or the second surface; a second optical layer having a third surface facing the second, a fourth surface opposite to the third surface, and a second optical pattern on the third surface or the fourth surface; a light guide layer on the first optical layer; and a light source part supplying an incident beam into the light guide layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.