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:
Oct. 24, 2017
Filed:
Apr. 14, 2008
Applicants:
Hee-jung Kim, Daejeon, KR;
Dong-ryul Kim, Daejeon, KR;
Young-whan Park, Daejeon, KR;
Dae-woo Nam, Daejeon, KR;
Boong-goon Jeong, Daejeon, KR;
Inventors:
Hee-Jung Kim, Daejeon, KR;
Dong-Ryul Kim, Daejeon, KR;
Young-Whan Park, Daejeon, KR;
Dae-Woo Nam, Daejeon, KR;
Boong-Goon Jeong, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); C08J 5/18 (2006.01); C08F 293/00 (2006.01); C08G 77/388 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08F 293/00 (2013.01); C08F 293/005 (2013.01); C08G 77/388 (2013.01); G02B 5/3083 (2013.01); B32B 2457/202 (2013.01); C08J 2353/00 (2013.01); G02F 1/133528 (2013.01); G02F 2201/50 (2013.01); G02F 2202/022 (2013.01); Y10T 428/1036 (2015.01); Y10T 428/1045 (2015.01);
Abstract
The present invention relates to an optical film that comprises a block copolymer that comprises a vinyl polymer block containing styrene or a derivative thereof, and a poly-dimethylsiloxane block, a retardation film using the same, a method of manufacturing them, and a liquid crystal display comprising the films.