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:
Jun. 02, 2009
Filed:
Jan. 19, 2006
Kyung Jun Kim, Daejeon Metropolitan, KR;
Keon Woo Lee, Daejeon Metropolitan, KR;
Byung Hyun Lee, Daejeon Metropolitan, KR;
Min Young Lim, Seongnam-si, KR;
Hye Won Jeong, Daejeon Metropolitan, KR;
Sung Ho Chun, Daejeon Metropolitan, KR;
Heon Kim, Yeosu-si, KR;
Sung Joon OH, Daejeon Metropolitan, KR;
Kyung Jun Kim, Daejeon Metropolitan, KR;
Keon Woo Lee, Daejeon Metropolitan, KR;
Byung Hyun Lee, Daejeon Metropolitan, KR;
Min Young Lim, Seongnam-si, KR;
Hye Won Jeong, Daejeon Metropolitan, KR;
Sung Ho Chun, Daejeon Metropolitan, KR;
Heon Kim, Yeosu-si, KR;
Sung Joon Oh, Daejeon Metropolitan, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention provides a composition for forming a liquid crystal alignment film, which comprises a photoreactive polymer including a multicyclic compound having a photoreactive group on a main chain thereof. The present invention also provides a liquid crystal alignment film produced using the composition, and a liquid crystal display including the liquid crystal alignment film. The photoreactive polymer including the multicyclic compound on the main chain thereof has a high glass transition temperature, thus thermal stability is excellent. Since lattice vacancy is relatively large, the photoreactive group is capable of moving relatively freely in the main chain of the polymer, thus it is possible to improve a slow photoreaction rate, which is considered a disadvantage of a conventional polymer material.