Patent ID: 11937447
Assignee: DAI NIPPON PRINTING CO., LTD.
Field: nan (nan)
Classification: CPC nan | IPC G  H

Claim 12:
13. 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 at least one of a metallic element and a metalloid element,
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,
the hard coat layer contains inorganic particles, 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.