Optical imaging lens and mobile device
US9759889B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2016 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | May 20, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0264
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An imaging lens includes first, second, and third lens elements arranged in sequence from an object side to an image side along an optical axis. Each lens element has an object-side surface and an image-side surface. The image-side surface of the first lens element has a concave portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery. The image-side surface of the second lens element has a convex portion in a vicinity of the optical axis and a concave portion in a vicinity of a periphery. The third lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of a periphery. A mobile device is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.