Light emitting device module including lens with patterned protrusion
US9835309B2 · kind B2 · utility
9Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2015 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Jun 16, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lens including a first body having a first cavity, a second body in surface contact with the first body, a plurality of protrusions disposed on the surface of the second body and overlapping the first body in the vertical direction, and a plurality of patterns formed on the surface of the protrusion closest to the first body. At least one of the patterns includes a first inclined part formed in a first direction and a second inclined part formed in a second direction opposite the first direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.