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:
May. 28, 2013
Filed:
Jul. 06, 2011
Applicants:
Dai-seung Choi, Daejeon, KR;
Sung-ho Chun, Daejeon, KR;
Young-chul Won, Daejeon, KR;
Dong-woo Yoo, Daejeon, KR;
Inventors:
Dai-Seung Choi, Daejeon, KR;
Sung-Ho Chun, Daejeon, KR;
Young-Chul Won, Daejeon, KR;
Dong-Woo Yoo, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/38 (2006.01); C08F 36/20 (2006.01); C08G 61/08 (2006.01); C07C 69/76 (2006.01); C07C 69/753 (2006.01); C07C 49/792 (2006.01); C08F 4/80 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a specific photoreactive polymer that shows excellent alignment stability and thermal stability together with excellent liquid crystal alignment, thereby being desirably used in an alignment film of a liquid crystal display device, a compound having a photoreactive functional group that is used as a monomer for the preparation of the photoreactive polymer, and an alignment film.