Optical lens and eyewear including same
US11281026B2 · kind B2 · utility
0Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2017 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | May 17, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical lens including first and second polarizers, a partial reflector disposed between the first and second polarizers, a first phase retarder disposed between the first polarizer and the partial reflector, and a second phase retarder disposed between the partial reflector and the second polarizer is described. The optical lens is a single piece configured for use in an eyewear. Eyewear including at least one of the optical lenses is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.