Imaging lens
US10739546B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2017 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Nov 11, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B11/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure provides an imaging lens. The imaging lens includes a lens barrel with an accommodation space; a lens group located in the accommodation space and connected with the lens barrels; and a shading board positioned between two adjacent lenses. The lens barrel includes a first cylinder wall with an optical aperture and a second cylinder wall bending and extending from the first cylinder wall. The first cylinder wall and the second cylinder wall enclose and form the accommodation space. The shading board includes a side wall close to the second cylinder wall, an object side surface adjacent to an object side, an image side surface close to an image side, a connecting surface extending from the object side surface to the connecting surface, and a cambered Lambertian surface disposed on the connecting surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.