Films having asymmetric grin optical elements for application to spectacles or other ophthalmic lenses
US12386205B1 · kind B1 · utility
0Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2023 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Oct 23, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/24
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A film (1), an ophthalmic lens including a film (1), spectacles comprising an ophthalmic lens including a film (1), and a method of manufacturing a film (1) are described. The film (1) has a base refractive index and includes at least one gradient index optical element (7a, 7b) having an asymmetric refractive index profile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.