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. 27, 2014
Filed:
Sep. 13, 2012
Heon Kim, Yeosu, KR;
Sung Ho Chun, Daejeon, KR;
Keon Woo Lee, Seoul, KR;
Sung Joon OH, Seoul, KR;
Kyungjun Kim, Seoul, KR;
Jungho JO, Seoul, KR;
Byung Hyun Lee, Seoul, KR;
Min Young Lim, Seoul, KR;
Hye Won Jeong, Seoul, KR;
Heon Kim, Yeosu, KR;
Sung Ho Chun, Daejeon, KR;
Keon Woo Lee, Seoul, KR;
Sung Joon Oh, Seoul, KR;
Kyungjun Kim, Seoul, KR;
Jungho Jo, Seoul, KR;
Byung Hyun Lee, Seoul, KR;
Min Young Lim, Seoul, KR;
Hye Won Jeong, Seoul, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
Provided are a photoreactive polymer that includes a multi-cyclicmulticyclic compound at as its main chain and a method of preparing the same. The photoreactive polymer exhibits excellent thermal stability since it includes a multi-cyclicmulticyclic compound having a high glass transition temperature at as its main chain. In addition, the photoreactive polymer has a relatively large vacancy so that a photoreactive group can move relatively freely in the main chain therein. As a result, a slow photoreaction rate, which is a disadvantage of a conventional polymer material used to form an alignment layer for a liquid crystal display device, can be overcome.