Lens for an illuminating device
US9341341B1 · kind B1 · utility
8Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2015 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Mar 10, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens includes a lens portion, an outer periphery and a prism portion. The lens portion is disposed at a middle portion of the lens, has an outline that is non-circular, and includes at least one curved surface. The outer periphery surrounds the lens portion. The prism portion is disposed between the lens portion and the outer periphery, and includes an undulated section that has at least one undulated surface and that has a center disposed at the middle portion of the lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.