Optical system, camera module, and electronic device
US12085782B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2020 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Jul 18, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/0045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical system includes, successively in order from an object side to an image side: a first lens, an object side surface thereof being concave at a paraxial area, and an image side surface thereof being convex at the paraxial area thereof; a second lens having a positive refractive power, an object side surface thereof being convex at a paraxial area, and an image side surface thereof being concave at the paraxial area; a third lens having a positive refractive power, and an image side surface thereof being convex at a paraxial area; a fourth lens; a fifth lens; a sixth lens; a seventh lens; and an eighth lens having a negative refractive power, an object side surface thereof being convex at a paraxial area, and an image side surface thereof being concave at the paraxial area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.