Title:
OPTICAL LAMINATE
Document Type and Number:
Japanese Patent JP2023006652
Kind Code:
A
Abstract:
To provide an optical laminate suitable for separating a release film from a thin optical film having an adhesive layer while preventing an end portion of the optical film from cracking.SOLUTION: An optical laminate X includes an optical film 10, adhesive layers 20 and 30, a substrate 40 and a release film 50. The optical film 10 is 100 μm thick or more. The optical laminate X includes a side face irregular end part E. In the side face irregular end part E, an edge 32 of the adhesive layer 30 retracts in comparison to edges of the optical film 10, the substrate 40 and the release film 50, in a surface direction D orthogonal to a thickness direction T of the optical film 10.SELECTED DRAWING: Figure 2
Inventors:
NODA MINAKO
MIURA DAISEI
TAKARADA SHO
MIURA DAISEI
TAKARADA SHO
Application Number:
JP2021109361A
Publication Date:
January 18, 2023
Filing Date:
June 30, 2021
Export Citation:
Assignee:
NITTO DENKO CORP
International Classes:
B32B1/04; C09J7/38
Attorney, Agent or Firm:
Hiroyuki Okamoto
Shinichi Uda
Shinichi Uda