Lens with surface microstructures encapsulated by a self-stratified hard coat
US12405403B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Apr 22, 2021 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Sep 8, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/24
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Optical articles comprising a base-lens substrate having at least one optical element or a plurality of optical elements protruding from a surface thereof, and the method for forming such optical articles. The optical articles comprise the base-lens substrate, a protective layer protecting said substrate, and at least one optical element or a plurality of optical elements, wherein the protective layer does not reduce or suppress the optical effect of the optical element and ensures abrasion resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.