Optical device
US11065468B2 · kind B2 · utility
2Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2015 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Sep 2, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/10
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical device including an optical substrate providing with an optical filter configured to inhibit transmission of harmful UV and/or blue light wherein the optical device is further configured to allow retinal exposure of an eye to at least one selected range of wavelengths of light in the visible spectrum of 460 nm to 560 nm, preferably of 480 nm to 520 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.