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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 12455407 B1

PDFFull Text
Date of Patent:
Oct. 28, 2025

Filed:

Mar. 03, 2017

Adhesive film, optical member comprising the same and optical display comprising the same

Applicants:

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

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Ik Hwan Cho, Suwon-si, KR;

Byeong Do Kwak, Suwon-si, KR;

Il Jin Kim, Suwon-si, KR;

Sung Hyun Mun, Suwon-si, KR;

Gwang Hwan Lee, Suwon-si, KR;

Jae Hyun Han, Suwon-si, KR;

Assignees:

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

Samsung Electronics Co., Ltd., Suwon-si, KR;

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Frank J Vineis

Assistant Examiner:

Nicole T Gugliotta

Int. Cl.
CPC ...
G02B 5/30 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); C08F 220/18 (2006.01); C09J 7/00 (2018.01); C09J 7/10 (2018.01); C09J 133/06 (2006.01); G02B 1/10 (2015.01);
U.S. Cl.
CPC ...
G02B 5/3033 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/281 (2013.01); B32B 27/308 (2013.01); B32B 27/325 (2013.01); B32B 27/36 (2013.01); B32B 27/365 (2013.01); C09J 7/10 (2018.01); C09J 133/066 (2013.01); B32B 2250/02 (2013.01); B32B 2250/24 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/202 (2013.01); B32B 2307/412 (2013.01); B32B 2307/50 (2013.01); B32B 2307/546 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); B32B 2457/206 (2013.01); B32B 2457/208 (2013.01); C09J 2203/318 (2013.01); C09J 2301/302 (2020.08); C09J 2301/312 (2020.08); C09J 2301/314 (2020.08); C09J 2433/00 (2013.01);
Abstract

An adhesive film, an optical member including the same, and an optical display including the same are provided. An adhesive film has a tan δ ratio at 25° C. of about 1 to about 2 as calculated by Equation 1 and a tan δ ratio at −20° C. of about 0.1 to about 1.5 as calculated by Equation 2, and is formed of an adhesive composition including a monomer mixture including a hydroxyl group-containing (meth)acrylic acid ester.

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