Optical lens, LED module having the optical lens, and lighting apparatus having the LED module
US8632225B2 · kind B2 · utility
26Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2011 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Mar 6, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical lens includes: a lens body having an outer surface extending in a longitudinal direction (a first direction) and formed to be symmetrical in a lateral direction (a second direction); and a cavity formed at a lower portion of the lens body and having inner side faces asymmetrical in the longitudinal direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.