Functional contact lens and manufacturing method therefor
US11927835B2 · kind B2 · utility
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2References
13Claims
0Family size
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Key dates
| Filing date | Aug 14, 2017 |
| Grant date | Mar 12, 2024 |
| Priority date | — |
| Expiry date | Dec 17, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0006
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present specification provides a functional contact lens including: a lens substrate having a spherically curved surface so as to be worn on an eyeball; and a functional layer provided on at least one surface of the lens substrate and including a graphene sheet, and a method for manufacturing the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.