Light source
US9074750B2 · kind B2 · utility
3Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2011 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jan 20, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/24
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
According to embodiments of the present invention, an ocular lens is provided. The ocular lens includes an optical filter configured to change a chromaticity of light impinging on the ocular lens so as to transmit a filtered light to an eye of a viewer, wherein the filtered light comprises a first light having a first peak wavelength in a range of between about 460 nm and about 490 nm and a second peak wavelength in a range of between about 490 nm and about 550 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.