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:
Aug. 04, 2015
Filed:
Dec. 28, 2012
RI Ra Jung, Uiwang-si, KR;
Yi Eun Kim, Uiwang-si, KR;
Ri Ra Jung, Uiwang-si, KR;
Yi Eun Kim, Uiwang-si, KR;
CHEIL INDUSTRIES, INC., Gumi-si, Kyeongsangbuk-do, KR;
Abstract
An adhesive for adhering a protective film, the protective film having a water vapor transmission rate of about 100 g/m·day or less at 40° C. and about 90% RH during manufacture of an optical member including a polarizing plate, a polarizing plate including an adhesive layer prepared from the adhesive, and an optical member including the polarizing plate, the adhesive including a (meth)acrylic copolymer, the (meth)acrylic copolymer having a weight average molecular weight of about 800,000 g/mol or more; a curing agent; and a silane coupling agent, wherein an adhesive layer prepared from the adhesive has a storage modulus, after curing, of about 8×10Pa or more at about 85° C. and a frequency of about 10rad/s to about 10rad/s.