Optical element for a motor vehicle
US11466835B2 · kind B2 · utility
0Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2019 |
| Grant date | Oct 11, 2022 |
| Priority date | — |
| Expiry date | Mar 18, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24355
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An optical element, which is transparent, for a motor vehicle, including at least one transparent first layer containing a polymer material and at least one second layer including at least silicon, titanium and oxygen. The optical element has a surface roughness defined by a mean square deviation Rq greater than or equal to 20 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.