公开(公告)号：US20170152413A1

公开(公告)日：2017-06-01

申请号：US15364157

申请日：2016-11-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Ju Yeol Choi ,  Seung Hoon Lee ,  Seung Jun Lee ,  In Cheon Han

IPC: C09J133/08 ,  G02B5/30

CPC classification number: G02B5/305 ,  C08L2312/00 ,  C09J133/066

Abstract: An adhesive film for polarizing plates, an adhesive composition for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including: a (meth)acrylic copolymer including a hydroxyl group and a carboxylic acid group; a bifunctional aziridine curing agent; and an isocyanate curing agent, and has an adhesive strength of about 2,500 gf/25 mm or more.

公开(公告)号：US10197718B2

公开(公告)日：2019-02-05

申请号：US15364157

申请日：2016-11-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Ju Yeol Choi ,  Seung Hoon Lee ,  Seung Jun Lee ,  In Cheon Han

IPC: C09J133/08 ,  G02B5/30 ,  C09J133/06

Abstract: An adhesive film for polarizing plates, an adhesive composition for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including: a (meth)acrylic copolymer including a hydroxyl group and a carboxylic acid group; a bifunctional aziridine curing agent; and an isocyanate curing agent, and has an adhesive strength of about 2,500 gf/25 mm or more.