Optical imaging lens and electronic device comprising the same
US9535233B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2015 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Jan 31, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/55
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical imaging lens includes a first, second, third and fourth lens element, and an aperture stop positioned between the second and third lens elements. The first lens element has an object-side surface with a convex portion in a vicinity of its periphery, the second lens element has an image-side surface with a concave portion in a vicinity of the optical axis, the third lens element has an image-side surface with a convex portion in a vicinity of the optical axis, the fourth lens element is made of plastic and has an object-side surface with a concave portion in a vicinity of the optical axis, and the optical imaging lens set does not include any lens element with refractive power other than said first, second, third and fourth lens elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.