Optical article comprising a substrate with embedded particles for light transmission enhancement
US11852784B2 · kind B2 · utility
0Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2018 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | May 31, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/625
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an optical article having a substrate made of an optical material comprising a polymer matrix and an improved light transmission in the visible range. The substrate comprises an external layer in which particles are embedded into the polymer matrix, the refractive index of the particles Rp being lower than the refractive index of the polymer matrix Rs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.