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:
Nov. 15, 2011
Filed:
Dec. 05, 2008
Applicants:
Jae-min OH, Uiwang-si, KR;
Dong-seon Uh, Uiwang-si, KR;
Jae-deuk Yang, Uiwang-si, KR;
Tae-hyoung Kwak, Uiwang-si, KR;
Inventors:
Jae-Min Oh, Uiwang-si, KR;
Dong-Seon Uh, Uiwang-si, KR;
Jae-Deuk Yang, Uiwang-si, KR;
Tae-Hyoung Kwak, Uiwang-si, KR;
Assignee:
Cheil Industries, Inc., Gumi-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 19/56 (2006.01); G02F 1/1337 (2006.01);
U.S. Cl.
CPC ...
Abstract
One embodiment of the present invention provides a liquid crystal photo-alignment agent that includes a polyamic acid copolymer including a repeating unit having the following Formula 1 and a repeating unit having the following Formula 2; a polyimide copolymer including a repeating unit having the following Formula 3 and a repeating unit having the following Formula 4; or a combination thereof: