Optical imaging lens
US10459201B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2017 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Feb 7, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical imaging lens includes: first, second, third, fourth, fifth, sixth and seventh lens element, the first lens element has positive refracting power and an image-side surface with a concave portion in a vicinity of its periphery, the second lens element, the sixth lens element and the seventh lens element are made of plastic, the third lens element has an object-side surface with a concave portion in a vicinity of its periphery and an image-side surface with a concave portion in a vicinity of the optical axis, the fourth lens element has an object-side surface with a convex portion in a vicinity of the optical axis, the fifth lens element has an object-side surface with a concave portion in a vicinity of the optical axis. In addition, υ3 and υ5 are the Abbe numbers of the third and the fifth lens element respectively, and satisfying the relationship: υ3+υ5≥100.000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.