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:
Jan. 06, 2015
Filed:
Sep. 20, 2013
Lg Chem, Ltd., Seoul, KR;
Su-Kyung Kim, Daejeon, KR;
Byoung-Il Kang, Daejeon, KR;
Dae-Woo Lee, Busan, KR;
Byoung-Kue Chun, Daejeon, KR;
Chang-Hun Han, Daejeon, KR;
Da-Eun Sung, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention relates to an acrylic copolymer resin containing: 1) an alkyl (meth)acrylate-based monomer; 2) a (meth)acrylate-based monomer containing an aliphatic ring and/or an aromatic ring; and 3) at least an imide-based monomer or a styrene-based monomer, to a resin composition containing said acrylic copolymer resin and a resin containing an aromatic ring and/or an aliphatic ring in the main chain thereof, to an optical film comprising said resin composition, and to a liquid crystal display device comprising said optical film. The optical film according to the present invention has excellent heat resistance, optical transparency, etc.