Patent ID: 9441141
Filing Date: 2016-09-13
CPC Classification: C09J,G02F

Claim Text:
1. A transparent double-sided adhesive sheet, comprising: a first portion having a gel fraction of 10% or greater, and a second portion having a gel fraction that is greater than the gel fraction of the first portion, wherein the transparent double-sided adhesive sheet is suitable for laminating an image display device constitutive member comprising a stepped portion of 50 μm to 100 μm in height on a laminated surface thereof and a flat surface portion to another image display device constitutive member, a maximum thickness of the adhesive sheet is 250 μm or less, the first portion is suitable for contacting the stepped portion when laminated, the second portion is suitable for contacting the flat surface portion when laminated, and a difference between the gel fraction of the first portion and the gel fraction of the second portion is from 5 to 30%.