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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 9868880 B1

PDFFull Text
Date of Patent:
Jan. 16, 2018

Filed:

Nov. 20, 2014

Adhesive film for polarizing plate, polarizing plate including the same and optical display including the same

Applicant:

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

Inventors:

Woo Jin Jeong, Suwon-si, KR;

In Cheon Han, Suwon-si, KR;

Dong Heon Yun, Suwon-si, KR;

Assignee:

SAMSUNG SDI CO., LTD., Yongin-Si, Gyeonggi-Do, KR;

Attorney:

Lee & Morse, P.C.

Primary Examiner:

Anthony J Frost

Int. Cl.
CPC ...
C09J 7/00 (2006.01); C09J 133/08 (2006.01); B32B 37/12 (2006.01); C08K 5/21 (2006.01); C08K 5/29 (2006.01); C08K 5/5435 (2006.01); B32B 37/00 (2006.01);
U.S. Cl.
CPC ...
C09J 7/00 (2013.01); C09J 133/08 (2013.01); B32B 37/003 (2013.01); B32B 37/12 (2013.01); B32B 2457/202 (2013.01); C08K 5/21 (2013.01); C08K 5/29 (2013.01); C08K 5/5435 (2013.01); C09J 2201/622 (2013.01); C09J 2203/318 (2013.01); C09J 2205/102 (2013.01); C09J 2433/00 (2013.01); Y10T 156/10 (2015.01); Y10T 428/1077 (2015.01); Y10T 428/2891 (2015.01);
Abstract

An adhesive film for polarizing plates, a polarizing plate, and an optical display, the adhesive film being prepared from an adhesive composition including an isocyanate crosslinking agent and an imide crosslinking agent, and having a ΔG' of about 50% to about 80%, ΔG′ being represented by Equation 1:Δ′=(1−2)/1×100  [Equation 1] in which G1 is a storage modulus of the adhesive film for polarizing plates as measured at 25° C., and G2 is a storage modulus of the adhesive film for polarizing plates as measured at 85° C.

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Jeong, Woo. (2018). Adhesive film for polarizing plate, polarizing plate including the same and optical display including the same (U.S. Patent No. 9868880). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9868880

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