Optical imaging lens including eight senses of +−+−+−+−, +−−−+−+−or +−+−−−+−refractive powers
US11709344B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Sep 25, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Nov 20, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B9/64
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides an optical imaging lens. The optical imaging lens comprises eight lens elements positioned in an order from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements, the optical imaging lens may enlarge aperture stop and image height and increase resolution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.