Patent ID: 7982380

Claim:
A front filter for a plasma display comprising: an anti-glare layer having a concavo-convex shape on an outermost surface thereof; a polyester film; and a functional layer, wherein the anti-glare layer is disposed on an observer-side surface of the front filter; wherein the concavo-convex shape satisfies the following requirements: “Sm” is from 60 μm or more and 250 μm or less; “θa” is from 0.3 degree or more and 1.0 degree or less; and “Rz” is from 0.3 μm or more and 1.0 μm or less, wherein “Sm” represents an average distance between concavoconvexes in the anti-glare layer; “θa” represents an average inclination angle of the concavoconvexes; and “Rz” represents a ten-point average roughness of the concavoconvexes.