Lens module
US11506858B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2020 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Apr 25, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/002
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lens module including a lens barrel and a plurality of lenses having refractive power is provided. The lenses are arranged in the lens barrel from an object side to an image side. The lens barrel has an inner-wall surface and an outer-wall surface opposite to each other, and has an air outlet communicating with outside. The air outlet is located between the inner-wall surface and the outer-wall surface. A first lens of these lenses is a lens closest to the object side. The first lens has an object-side optical surface facing the object side. At least over 95% of the surface area of the object-side optical surface of the first lens is exposed to outside, and a material of the first lens is glass. Furthermore, another lens module is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.