Optical lens and lens assembly having same
US8243374B2 · kind B2 · utility
0Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2010 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Feb 1, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/022
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical lens includes a central optical portion and a peripheral portion surrounding the optical portion. The peripheral portion includes a first step surface, a second step surface, and a first connecting surface interconnecting the first step surface and the second step surface. The first step surface is adjacent to the optical portion. The second step surface has a circular groove formed therein, and the circular groove is adjacent to the first connecting surface. A lens assembly including the optical lens is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.