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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 12195643 B1

PDFFull Text
Date of Patent:
Jan. 14, 2025

Filed:

Jul. 15, 2021

Adhesive film for polarizing plate, polarizing plate comprising the same and optical display apparatus comprising the same

Applicant:

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

Inventors:

Seung Jun Lee, Suwon-si, KR;

Dae Yun Kim, Suwon-si, KR;

Il Jin Kim, Suwon-si, KR;

Mi Yeon Yu, Suwon-si, KR;

Woo Jin Jeong, Suwon-si, KR;

Ha Yun Cho, Suwon-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Sophie Hon

Int. Cl.
CPC ...
C09J 133/08 (2006.01); C08K 5/315 (2006.01); C09J 133/10 (2006.01); G02B 5/30 (2006.01); G02F 1/1335 (2006.01); C08F 220/18 (2006.01); C08F 220/20 (2006.01); C08F 220/30 (2006.01);
U.S. Cl.
CPC ...
C09J 133/08 (2013.01); C08K 5/315 (2013.01); C09J 133/10 (2013.01); G02B 5/3041 (2013.01); G02F 1/133528 (2013.01); C08F 220/1804 (2020.02); C08F 220/20 (2013.01); C08F 220/301 (2020.02); C09J 2203/318 (2013.01); C09J 2301/414 (2020.08); C09J 2433/00 (2013.01); G02F 2202/28 (2013.01);
Abstract

An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display apparatus including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including a (meth)acrylic copolymer, an isocyanate curing agent, a metal chelate curing agent, and an antistatic agent, and has a surface resistance difference ΔSR of 1.0 (log(Ω/□)) or less, as calculated by Equation 1 and, in Equation 1, SR1 is 10 (log(Ω/□)) or less.

Find Patent Forward Citations

Lee, Seung. (2025). Adhesive film for polarizing plate, polarizing plate comprising the same and optical display apparatus comprising the same (U.S. Patent No. 12195643). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12195643

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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