Lens module
US10371919B2 · kind B2 · utility
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8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 2017 |
| Grant date | Aug 6, 2019 |
| Priority date | — |
| Expiry date | Aug 30, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/004
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure provides a lens module. The lens module includes a lens barrel; a lens group accommodated in the lens barrel, the lens group including at least a first lens; and a retaining member located an image side of the lens group. The retaining member is a hollow ring which includes an object side leaning and connecting to the first lens, an image side opposite to the object side, an outer side and an inner side connecting to the object side and the image side, and the inner side is a Lambertian surface through Lambertian treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.