Lens assembly
US11774710B2 · kind B2 · utility
0Cited by
4References
18Claims
0Family size
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Key dates
| Filing date | Aug 27, 2020 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Aug 5, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, all of which are arranged in order from an object side to an image side along an optical axis. The first lens has negative refractive power. The second lens has positive refractive power. The third lens has positive refractive power. The fourth lens has negative refractive power including a convex surface facing the object side and a concave surface facing the image side. The fifth lens has negative refractive power including a concave surface facing the object side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.