Optical lens assembly, device, and image forming method
US10838172B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2016 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Jan 30, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B9/64
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided are an optical lens assembly and an electronic device including the optical lens assembly.The optical lens assembly includes a front group closest to an object side and including a first lens having a positive refractive power and an image side surface that is concave, and a second lens having a negative refractive power, a third lens having a negative refractive power, and a fourth lens having a positive refractive power. Other embodiments may be provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.