Patent ID: 11968855
Assignee: DAI NIPPON PRINTING CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC H  B  G | IPC G  H

Claim 0:
1. An optical film comprising a light-transmitting base material, a hard coat layer, and an inorganic layer in this order,
wherein the hard coat layer is in contact with the inorganic layer,
the hard coat layer contains a binder resin and inorganic particles,
the hard coat layer is a single-layer structure,
the hard coat layer has a film thickness of 1 μm or more and 10 μm or less,
the hard coat layer has an indentation hardness of 200 MPa or more, and
the inorganic particles have an area ratio of 5% or more in the region up to a depth of 500 nm into the hard coat layer from the interface between the hard coat layer and the inorganic layer in the cross-section of the hard coat layer in the film thickness direction.