The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 06, 2023

Filed:

Sep. 11, 2017
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, KR;

Inventors:

Seung Hoon Lee, Suwon-si, KR;

Do Heon Lee, Suwon-si, KR;

Mi Ran Seo, Suwon-si, KR;

In Cheon Han, Suwon-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 163/00 (2006.01); B32B 7/12 (2006.01); B41J 2/16 (2006.01); C04B 37/00 (2006.01); C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C08F 220/18 (2006.01); C08F 236/02 (2006.01); C08G 59/24 (2006.01); C08G 65/26 (2006.01); C08J 3/28 (2006.01); C09J 133/08 (2006.01); C09J 147/00 (2006.01); G02B 5/30 (2006.01); G09F 9/30 (2006.01);
U.S. Cl.
CPC ...
C09J 163/00 (2013.01); C08F 220/18 (2013.01); C08F 236/02 (2013.01); C08G 59/24 (2013.01); C08G 65/2612 (2013.01); C08J 3/28 (2013.01); C09J 133/08 (2013.01); C09J 147/00 (2013.01); G02B 5/30 (2013.01); G09F 9/30 (2013.01); C08F 220/1812 (2020.02);
Abstract

Provided are an adhesive composition for a polarizing plate, a polarizing plate, and an optical display device, the adhesive composition comprising an epoxy-based compound, a (meth)acrylate-based compound, a photo-acid generator, and an optical radical initiator, the (meth)acrylate-based compound comprising a mixture of a bifunctional (meth)acrylate-based compound and a monofunctional (meth)acrylate-based compound having a hydrophobic functional group, wherein the adhesive strength measured after the adhesive composition for a polarizing plate is separately applied to a PET film, a TAC film, and a COP film, to which a polarizer is then bound, followed by photo-curing, is about 200 gf/inch or more.


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