Patent ID: 9353293
Filing Date: 2016-05-31
CPC Classification: C09J,G02F,Y10T

Claim Text:
1. An image display device, comprising: two facing constitutive members, at least one constitutive member comprising, on a laminating surface, a stepped portion of from 50 μm to 100 μm in height and a flat surface portion excluding the stepped portion, and a transparent double-sided adhesive sheet filled in between the constitutive members, wherein a maximum thickness portion of the transparent double-sided adhesive sheet has a thickness of 250 μm or less, wherein a gel fraction at a position of the transparent double-sided adhesive sheet in contact with the stepped portion is 10% or greater, and is smaller than a gel fraction at a position of the transparent double-sided adhesive sheet in contact with the flat surface portion, and wherein a difference between the gel fraction at the position in contact with the stepped portion and the gel fraction at the position in contact with the flat surface portion is from 5 to 30% in the transparent double-sided adhesive sheet.