Antireflection hard coating film and preparation method thereof
US11693154B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Aug 22, 2019 |
| Grant date | Jul 4, 2023 |
| Priority date | — |
| Expiry date | Apr 21, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is a hard coating film in which a hard coating layer having a water contact angle of 90° or less, a high refractive index layer, and a low refractive index layer are laminated on a substrate, the film having suppressed curling, and excellent hardness and antireflection performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.