Anti-glare film and image display device
AssigneeDai Nippon Printing Co., Ltd.
InventorsMitsuhiro Kuzuhara, Yukimitsu Iwata, Jun Tsujimoto, Shigeki Murakami, Gen Furui
Life of this patent
Estimating the term…
Abstract
An anti-glare film including an anti-glare layer, the anti-glare film having an uneven surface, wherein for amplitude spectrum of elevation of the uneven surface, when a sum of amplitudes corresponding to spatial frequencies of 0.005 μm−1, 0.010 μm−1, and 0.015 μm−1 is defined as AM1 and an amplitude at a spatial frequency of 0.300 μm−1 is defined as AM2, AM1 is 0.070 μm or more and 0.400 μm or less, AM2 is 0.0050 μm or more, and AM2<AM1.
Claims15
An anti-glare film comprising an anti-glare layer, the anti-glare film having an uneven surface, wherein the uneven surface has a three-dimensional arithmetic mean roughness Sa of 0.30 μm or more, a three-dimensional mean peak interval Smp of 2.524 or more and 8.228 μm or less, and Sa/Smp is 0.05 or more and 0.40 or less.
Dependencies are inferred from the claim text.