Optical filters affecting color vision in a desired manner and design method thereof by non-linear optimization
US11454827B2 · kind B2 · utility
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21References
23Claims
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Key dates
| Filing date | Mar 30, 2020 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Jan 7, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/102
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention generally relates to optical filters that provide regulation and/or enhancement of chromatic and luminous aspects of the color appearance of light to human vision, generally to applications of such optical filters, to therapeutic applications of such optical filters, to industrial and safety applications of such optical filters when incorporated, for example, in radiation-protective eyewear, to methods of designing such optical filters, to methods of manufacturing such optical filters, and to designs and methods of incorporating such optical filters into apparatus including, for example, eyewear and illuminants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.