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.:
Date of Patent:
Mar. 26, 2019
Filed:
Jun. 29, 2015
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Irina Nam, Uiwang-si, KR;
Young Jong Kim, Uiwang-si, KR;
Hwan Sung Cheon, Uiwang-si, KR;
In Cheon Han, Uiwang-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
An adhesive film of the present invention comprises a (meth)acrylate-based copolymer and a cross-linking agent, and a gel fraction thereof is approximately 50-95%, and a ratio of change G' in storage modulus thereof, represented by the following formula 1, is 20% or less.′=(7−1)/1×100  [Formula 1] (In formula 1, G1 is a storage modulus at 25° C. when the adhesive film is matured at 23° C. and a relative humidity (RH) of 55% for one day, and G7 represents a storage modulus at 25° C. when the adhesive film is matured at 23° C. and an RH of 55% for seven days.)