Hardcoat film, method for producing same, and display device
US12384896B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Feb 19, 2021 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Apr 18, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2483/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A hard coat film includes a transparent resin film and a hard coat layer disposed on one surface thereof, the hard coat layer being composed of a cured product of a hard coat composition. The thickness of the hard coat layer 0.15 times or more the thickness of the transparent resin film. The hard coat composition has a negative cure shrinkage ratio. The absolute value of the amount of curl of the hard coat film cut into a 100 mm×100 mm square is 20 mm or less. The hard coat layer may contain a cured product of a polyorganosiloxane compound having an alicyclic epoxy group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.