Patent ID: 9304322
Filing Date: 2016-04-05
CPC Classification: G02B,G02F

Claim Text:
1. A phase difference element comprising: an anti-glare film; an alignment film; and a phase difference film provided between the anti-glare film and the alignment film, wherein the phase difference film has a phase difference layer composed of two or more phase difference regions each having different direction of a slow axis that are regularly arranged in a plane, wherein retardation of the anti-glare film is 20 nm or less and total haze of the anti-glare film is 30% or less, wherein crosstalk of light transmitted through a first one the phase difference regions and crosstalk of light transmitted through a second one of the phase difference regions is 3.5% or less, wherein the alignment film includes two or more alignment regions, each region having different alignment directions, and wherein a first alignment region includes grooves extending in a first direction, and a second alignment region includes grooves extending in a second direction that is orthogonal to the first direction.