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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.

Patent No.:

US 11505728 B1

PDFFull Text
Date of Patent:
Nov. 22, 2022

Filed:

Sep. 20, 2018

Adhesive composition and polarizing plate comprising adhesive layer formed using same

Applicant:

Shanjin Optoelectronics (Suzhou) Co., Ltd., Zhangjiagang, CN;

Inventors:

Seongwook Kang, Daejeon, KR;

Jin Woo Kim, Daejeon, KR;

Dong Uk Kim, Daejeon, KR;

Yoonkyung Kwon, Daejeon, KR;

Assignee:

SHANJIN OPTOELECTRONICS (SUZHOU) CO., LTD., Zhangjiagang, CN;

Attorney:

Schmeiser, Olsen & Watts, LLP

Primary Examiner:

Eli D Strah

Int. Cl.
CPC ...
C09J 163/00 (2006.01); C09J 7/30 (2018.01); G02B 1/14 (2015.01); B32B 27/08 (2006.01); B32B 7/12 (2006.01); B32B 27/30 (2006.01); B32B 27/28 (2006.01); G02B 5/30 (2006.01); C08G 65/18 (2006.01); C09J 171/02 (2006.01); C08G 65/22 (2006.01);
U.S. Cl.
CPC ...
C09J 163/00 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/28 (2013.01); B32B 27/306 (2013.01); C08G 65/18 (2013.01); C09J 7/30 (2018.01); C09J 171/02 (2013.01); G02B 1/14 (2015.01); G02B 5/30 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); B32B 2457/206 (2013.01); C08G 65/223 (2013.01); C09J 2203/318 (2013.01); C09J 2433/008 (2013.01); C09J 2463/00 (2013.01); C09K 2323/055 (2020.08); C09K 2323/057 (2020.08); Y10T 428/31511 (2015.04);
Abstract

An adhesive composition and a polarizing plate including an adhesive layer formed using the same are disclosed herein. In some embodiments, an adhesive composition includes 3-ethyl-3-(2-ethylhexyloxy)methyloxetane, 3-ethyl-3-hydroxymethyloxetane, 3,3'-oxybis(methylene)bis(3-ethyloxetane), an aromatic epoxy compound, and an alicyclic epoxy compound, wherein the 3-ethyl-3-(2-ethylhexyloxy)methyloxetane is present in an amount of 20 parts by weight to 50 parts by weight, the 3-ethyl-3-hydroxymethyloxetane is present in an amount of 2 parts by weight to 8 parts by weight, the 3,3′-oxybis(methylene)bis(3-ethyloxetane) is present in an amount of 2 parts by weight to 8 parts by weight, the aromatic epoxy compound is present in an amount of 7 parts by weight to 38 parts by weight, and the alicyclic epoxy compound is present in amount of 10 parts by weight to 50 parts by weight, based on 100 parts by weight of the adhesive composition.

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